ci2-android-6-12-rust/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-12-rust/syz-executor693833045

<...>
Warning: Permanently added '10.128.0.212' (ED25519) to the list of known hosts.
execve("ci2-android-6-12-rust/syz-executor693833045", ["ci2-android-6-12-rust/syz-executor693833045"], 0x7fff38f7df50 /* 10 vars */) = 0
brk(NULL)                               = 0x55557716c000
brk(0x55557716cd40)                     = 0x55557716cd40
arch_prctl(ARCH_SET_FS, 0x55557716c3c0) = 0
set_tid_address(0x55557716c690)         = 311
set_robust_list(0x55557716c6a0, 24)     = 0
rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 32, 0, 0x53053053) = -1 ENOSYS (Function not implemented)
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-android-6-12-rust/syz-executor693833045", 4096) = 49
getrandom("\x66\x5e\x01\x9d\xce\x14\x01\x6e", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55557716cd40
brk(0x55557718dd40)                     = 0x55557718dd40
brk(0x55557718e000)                     = 0x55557718e000
mprotect(0x7fb4de107000, 20480, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
rt_sigprocmask(SIG_BLOCK, ~[], [], 8)   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557716c690) = 312
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, ~[], [], 8)   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557716c690) = 313
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, ~[], [], 8)   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557716c690) = 314
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, ~[], [], 8)   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 315 attached
, child_tidptr=0x55557716c690) = 315
[pid   311] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   311] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... set_robust_list resumed>) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 316 attached
 <unfinished ...>
[pid   316] set_robust_list(0x55557716c6a0, 24) = 0
[pid   316] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   316] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 316
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   316] <... prctl resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   316] setpgid(0, 0)               = 0
[pid   316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   316] write(3, "1000", 4)         = 4
[pid   316] close(3)                    = 0
[pid   316] write(1, "executing program\n", 18) = 18
[pid   316] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid   316] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   316] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   316] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   316] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   316] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} => {parent_tid=[317]}, 88) = 317
[pid   316] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   316] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   316] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 312 attached
 <unfinished ...>
[pid   312] set_robust_list(0x55557716c6a0, 24) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557716c690) = 318
[pid   312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 313 attached
[pid   313] set_robust_list(0x55557716c6a0, 24) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557716c690) = 319
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 314 attached
[pid   314] set_robust_list(0x55557716c6a0, 24) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557716c690) = 320
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 317 attached
[pid   317] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   317] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   317] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = 0
[pid   317] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   317] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   316] <... futex resumed>)        = 0
[pid   316] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   317] <... futex resumed>)        = 0
[pid   316] <... futex resumed>)        = 1
[pid   317] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   316] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   317] <... mount resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 319 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 318 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 320 attached
[pid   320] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   319] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   318] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   320] <... set_robust_list resumed>) = 0
[pid   317] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   317] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   319] <... set_robust_list resumed>) = 0
[pid   319] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   319] setpgid(0, 0)               = 0
[pid   319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   319] write(3, "1000", 4)         = 4
[pid   319] close(3)                    = 0
executing program
[pid   319] write(1, "executing program\n", 18) = 18
[pid   319] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   319] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   319] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   319] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   319] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   319] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} => {parent_tid=[321]}, 88) = 321
[pid   319] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   319] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   319] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   318] <... set_robust_list resumed>) = 0
[pid   318] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   318] setpgid(0, 0)               = 0
[pid   318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   318] write(3, "1000", 4)         = 4
[pid   318] close(3)                    = 0
[pid   318] write(1, "executing program\n", 18) = 18
[pid   318] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid   318] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   318] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   318] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   318] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   318] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} => {parent_tid=[322]}, 88) = 322
[pid   318] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   318] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   318] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   320] setpgid(0, 0)               = 0
[pid   320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   320] write(3, "1000", 4)         = 4
[pid   320] close(3)                    = 0
[pid   320] write(1, "executing program\n", 18) = 18
[pid   320] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid   320] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   320] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   320] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   320] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} => {parent_tid=[323]}, 88) = 323
[pid   320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   320] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   320] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   316] <... futex resumed>)        = 0
[pid   316] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   317] <... futex resumed>)        = 0
[pid   316] <... futex resumed>)        = 1
[pid   317] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   316] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   317] <... openat resumed>)       = 3
[pid   317] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   316] <... futex resumed>)        = 0
[pid   316] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   316] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   317] <... futex resumed>)        = 1
[pid   317] write(3, "\x38\x00", 2ci2-android-6-12-rust/strace-static-x86_64: Process 321 attached
 <unfinished ...>
[pid   321] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   321] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   321] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid   321] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   319] <... futex resumed>)        = 0
[pid   321] <... futex resumed>)        = 1
[pid   319] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   321] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   319] <... futex resumed>)        = 0
[pid   319] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   321] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   319] <... futex resumed>)        = 0
[pid   321] <... futex resumed>)        = 1
[pid   319] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   321] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   319] <... futex resumed>)        = 0
[pid   321] <... openat resumed>)       = 3
[pid   319] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   321] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   319] <... futex resumed>)        = 0
[pid   319] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   321] <... futex resumed>)        = 1
[pid   319] <... futex resumed>)        = 0
[pid   321] write(3, "\x38\x00", 2 <unfinished ...>
[pid   319] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 322 attached
 <unfinished ...>
[pid   322] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   322] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid   322] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   322] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   318] <... futex resumed>)        = 0
[pid   318] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   322] <... futex resumed>)        = 0
[pid   318] <... futex resumed>)        = 1
[pid   322] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   318] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   322] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   318] <... futex resumed>)        = 0
[pid   322] <... futex resumed>)        = 1
[pid   318] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   322] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   318] <... futex resumed>)        = 0
[pid   322] <... openat resumed>)       = 3
[pid   322] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   318] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   322] <... futex resumed>)        = 0
[pid   318] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   322] write(3, "\x38\x00", 2 <unfinished ...>
[pid   318] <... futex resumed>)        = 0
[pid   318] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 323 attached
 <unfinished ...>
[pid   323] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   323] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid   323] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   320] <... futex resumed>)        = 0
[pid   323] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   320] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   323] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   320] <... futex resumed>)        = 0
[pid   323] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   320] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   323] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   323] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   317] <... write resumed>)        = 2
[pid   323] <... futex resumed>)        = 1
[pid   323] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   317] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   317] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   320] <... futex resumed>)        = 0
[pid   320] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   323] <... futex resumed>)        = 0
[pid   320] <... futex resumed>)        = 1
[pid   323] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid   316] <... futex resumed>)        = 0
[pid   323] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   320] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   316] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   323] <... futex resumed>)        = 0
[pid   320] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   317] <... futex resumed>)        = 0
[pid   316] <... futex resumed>)        = 1
[pid   323] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   320] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   323] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   320] <... futex resumed>)        = 0
[pid   317] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   316] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   323] write(3, "\x38\x00", 2 <unfinished ...>
[pid   320] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   317] <... openat resumed>)       = 4
[pid   323] <... write resumed>)        = 2
[pid   317] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   323] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   317] <... futex resumed>)        = 1
[pid   316] <... futex resumed>)        = 0
[pid   323] <... futex resumed>)        = 1
[pid   320] <... futex resumed>)        = 0
[pid   317] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   316] exit_group(0 <unfinished ...>
[pid   323] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   320] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   317] <... futex resumed>)        = ?
[pid   316] <... exit_group resumed>)   = ?
[pid   323] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   320] <... futex resumed>)        = 0
[   23.406512][   T36] audit: type=1400 audit(1785814511.780:64): avc:  denied  { execmem } for  pid=311 comm="syz-executor693" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   23.427361][   T36] audit: type=1400 audit(1785814511.780:65): avc:  denied  { mounton } for  pid=316 comm="syz-executor693" path="/root/tracefs_dir" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[pid   317] +++ exited with 0 +++
[pid   316] +++ exited with 0 +++
[pid   323] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   320] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=316, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   323] <... openat resumed>)       = 4
[pid   323] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   320] <... futex resumed>)        = 0
[pid   320] exit_group(0)               = ?
[pid   323] +++ exited with 0 +++
[pid   320] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=320, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 324
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 325
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 324 attached
[pid   324] set_robust_list(0x55557716c6a0, 24) = 0
[pid   324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   324] setpgid(0, 0)               = 0
[pid   324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   324] write(3, "1000", 4)         = 4
[pid   324] close(3)                    = 0
[pid   324] write(1, "executing program\n", 18) = 18
executing program
[pid   324] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   324] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   324] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   324] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   324] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   324] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} => {parent_tid=[326]}, 88) = 326
[pid   324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   324] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   23.452668][   T36] audit: type=1400 audit(1785814511.800:66): avc:  denied  { mount } for  pid=316 comm="syz-executor693" name="/" dev="tracefs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tracefs_t tclass=filesystem permissive=1
[   23.476440][   T36] audit: type=1400 audit(1785814511.800:67): avc:  denied  { search } for  pid=316 comm="syz-executor693" name="/" dev="tracefs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tracefs_t tclass=dir permissive=1
[pid   324] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 325 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 326 attached
 <unfinished ...>
[pid   326] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   326] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   326] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid   326] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[   23.476546][  T321] ------------[ cut here ]------------
[   23.501590][   T36] audit: type=1400 audit(1785814511.800:68): avc:  denied  { write } for  pid=316 comm="syz-executor693" name="buffer_subbuf_size_kb" dev="tracefs" ino=1074 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tracefs_t tclass=file permissive=1
[   23.507210][  T321] WARNING: CPU: 0 PID: 321 at kernel/trace/trace.c:2439 tracing_start_tr+0x22a/0x2f0
[   23.536480][   T36] audit: type=1400 audit(1785814511.800:69): avc:  denied  { open } for  pid=316 comm="syz-executor693" path="/root/tracefs_dir/buffer_subbuf_size_kb" dev="tracefs" ino=1074 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tracefs_t tclass=file permissive=1
[   23.542844][  T321] Modules linked in:
[   23.542886][  T321] CPU: 0 UID: 0 PID: 321 Comm: syz-executor693 Not tainted syzkaller #0 89da86cd63dd77ed75a7a6b832383be384370f21
[   23.542913][  T321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[pid   326] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   324] <... futex resumed>)        = 0
[pid   324] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   326] <... futex resumed>)        = 0
[pid   324] <... futex resumed>)        = 1
[pid   326] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   324] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   326] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   324] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   326] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   324] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   326] <... futex resumed>)        = 0
[pid   324] <... futex resumed>)        = 1
[pid   326] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   324] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   326] <... openat resumed>)       = 3
[pid   326] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   324] <... futex resumed>)        = 0
[   23.570625][   T36] audit: type=1400 audit(1785814511.800:70): avc:  denied  { mounton } for  pid=319 comm="syz-executor693" path="/root/tracefs_dir" dev="tracefs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tracefs_t tclass=dir permissive=1
[   23.574998][  T321] RIP: 0010:tracing_start_tr+0x22a/0x2f0
[   23.587358][   T36] audit: type=1400 audit(1785814511.830:71): avc:  denied  { read } for  pid=316 comm="syz-executor693" name="trace" dev="tracefs" ino=1063 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tracefs_t tclass=file permissive=1
[   23.597873][  T321] Code: 04 25 28 00 00 00 48 3b 44 24 60 0f 85 84 00 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 fc 43 1b 04 cc e8 d6 26 fc ff <0f> 0b 49 bd 00 00 00 00 00 fc ff df 43 0f b6 04 2c 84 c0 75 79 41
[   23.597910][  T321] RSP: 0018:ffffc900012ffb20 EFLAGS: 00010093
[   23.597931][  T321] RAX: ffffffff818b4aea RBX: 1ffff9200025ff68 RCX: ffff88813060a600
[   23.597946][  T321] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[   23.697872][  T321] RBP: ffffc900012ffbd0 R08: 0000000000000003 R09: 0000000000000004
[   23.705928][  T321] R10: dffffc0000000000 R11: fffff5200025ff50 R12: 1ffffffff0ec1af4
[   23.713905][  T321] R13: 00000000ffffffff R14: ffffffff8760d7a0 R15: ffffffff8760d720
[   23.722204][  T321] FS:  00007fb4de0296c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   23.731727][  T321] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.738447][  T321] CR2: 000055557716c690 CR3: 00000001057c4000 CR4: 00000000003526b0
[   23.746538][  T321] Call Trace:
[   23.749910][  T321]  <TASK>
[   23.753014][  T321]  ? tracing_start+0x30/0x30
[   23.757621][  T321]  buffer_subbuf_size_write+0x29b/0x4b0
[   23.763451][  T321]  ? __cfi_buffer_subbuf_size_write+0x10/0x10
[   23.769874][  T321]  ? bpf_lsm_file_permission+0xd/0x20
[   23.775704][  T321]  ? __cfi_buffer_subbuf_size_write+0x10/0x10
[   23.782071][  T321]  vfs_write+0x3c1/0xfd0
[   23.786330][  T321]  ? __kasan_check_write+0x18/0x20
[   23.791442][  T321]  ? __cfi_vfs_write+0x10/0x10
[   23.796188][  T321]  ? __kasan_check_write+0x18/0x20
[   23.801384][  T321]  ? mutex_lock+0x97/0x1d0
[   23.805781][  T321]  ? __cfi_mutex_lock+0x10/0x10
[   23.810620][  T321]  ksys_write+0x145/0x260
[   23.814961][  T321]  ? __cfi_ksys_write+0x10/0x10
[   23.819826][  T321]  ? __kasan_check_write+0x18/0x20
[   23.825048][  T321]  __x64_sys_write+0x7f/0x90
[   23.829653][  T321]  x64_sys_call+0x271c/0x2ee0
[   23.834311][  T321]  do_syscall_64+0x57/0xf0
[   23.838715][  T321]  ? clear_bhb_loop+0x50/0xa0
[   23.843671][  T321]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   23.849849][  T321] RIP: 0033:0x7fb4de05d099
[   23.854363][  T321] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[   23.874234][  T321] RSP: 002b:00007fb4de029218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   23.882647][  T321] RAX: ffffffffffffffda RBX: 00007fb4de10db48 RCX: 00007fb4de05d099
[   23.890704][  T321] RDX: 0000000000000002 RSI: 0000200000000280 RDI: 0000000000000003
[   23.898767][  T321] RBP: 00007fb4de10db40 R08: 33203a6b63617473 R09: 33203a6b63617473
[pid   326] write(3, "\x38\x00", 2 <unfinished ...>
[pid   324] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   325] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   324] <... futex resumed>)        = 0
[pid   324] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   322] <... write resumed>)        = 2
[pid   322] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   318] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   319] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   325] <... set_robust_list resumed>) = 0
[pid   322] <... futex resumed>)        = 0
[pid   322] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   326] <... write resumed>)        = 2
[pid   326] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   324] <... futex resumed>)        = 0
[pid   324] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   324] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   318] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   325] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   319] futex(0x7fb4de10db5c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   326] <... futex resumed>)        = 1
[pid   319] <... futex resumed>)        = 0
[pid   325] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   321] <... write resumed>)        = 2
[pid   319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   318] <... futex resumed>)        = 1
[pid   326] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   322] <... futex resumed>)        = 0
[pid   318] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   325] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   319] <... mmap resumed>)         = 0x7fb4ddfe8000
[pid   326] <... openat resumed>)       = 4
[pid   325] <... prctl resumed>)        = 0
[pid   322] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   321] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   319] mprotect(0x7fb4ddfe9000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   326] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   325] setpgid(0, 0)               = 0
[pid   319] <... mprotect resumed>)     = 0
[pid   326] <... futex resumed>)        = 1
[pid   324] <... futex resumed>)        = 0
[pid   321] <... futex resumed>)        = 0
[pid   326] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   324] exit_group(0 <unfinished ...>
[pid   319] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   326] <... futex resumed>)        = ?
[pid   324] <... exit_group resumed>)   = ?
[pid   322] <... openat resumed>)       = 4
[pid   321] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   319] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   326] +++ exited with 0 +++
[pid   325] <... openat resumed>)       = 3
[pid   322] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   319] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de008990, parent_tid=0x7fb4de008990, exit_signal=0, stack=0x7fb4ddfe8000, stack_size=0x20300, tls=0x7fb4de0086c0} <unfinished ...>
[pid   325] write(3, "1000", 4 <unfinished ...>
[pid   322] <... futex resumed>)        = 1
[pid   318] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 327 attached
[pid   325] <... write resumed>)        = 4
[pid   324] +++ exited with 0 +++
[pid   322] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   319] <... clone3 resumed> => {parent_tid=[327]}, 88) = 327
[pid   327] set_robust_list(0x7fb4de0089a0, 24 <unfinished ...>
[pid   325] close(3 <unfinished ...>
[pid   319] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   318] exit_group(0 <unfinished ...>
[pid   327] <... set_robust_list resumed>) = 0
[pid   325] <... close resumed>)        = 0
[pid   319] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=324, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   327] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   325] write(1, "executing program\n", 18 <unfinished ...>
[pid   322] <... futex resumed>)        = ?
[pid   319] futex(0x7fb4de10db58, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   318] <... exit_group resumed>)   = ?
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   327] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   325] <... write resumed>)        = 18
[pid   322] +++ exited with 0 +++
[pid   319] <... futex resumed>)        = 0
executing program
[pid   327] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid   327] futex(0x7fb4de10db5c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   319] futex(0x7fb4de10db5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   318] +++ exited with 0 +++
[pid   325] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   319] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   327] futex(0x7fb4de10db58, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   325] <... futex resumed>)        = 0
[pid   319] exit_group(0 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=318, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   325] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   327] <... futex resumed>)        = ?
[pid   321] <... futex resumed>)        = ?
[pid   325] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   319] <... exit_group resumed>)   = ?
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   325] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   321] +++ exited with 0 +++
[pid   325] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   325] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   325] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   327] +++ exited with 0 +++
[pid   319] +++ exited with 0 +++
[pid   325] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=319, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 328 attached
 <unfinished ...>
[pid   325] <... clone3 resumed> => {parent_tid=[328]}, 88) = 328
[pid   328] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   325] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   328] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   325] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   328] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   325] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   328] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   325] <... futex resumed>)        = 0
[pid   325] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   328] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   328] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   325] <... futex resumed>)        = 0
[pid   328] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   325] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   325] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   328] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   328] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   328] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   325] <... futex resumed>)        = 0
[pid   328] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   325] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   325] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   328] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   328] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid   328] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   325] <... futex resumed>)        = 0
[pid   328] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   325] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   328] <... futex resumed>)        = 0
[pid   325] <... futex resumed>)        = 1
[pid   328] write(3, "\x38\x00", 2)     = 2
[pid   325] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   328] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   325] <... futex resumed>)        = 0
[pid   328] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   325] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   328] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   325] <... futex resumed>)        = 0
[pid   328] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   325] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   328] <... openat resumed>)       = 4
[pid   328] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   328] <... futex resumed>)        = 1
[pid   325] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   328] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   325] exit_group(0 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   328] <... futex resumed>)        = ?
[pid   325] <... exit_group resumed>)   = ?
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 329 attached
[pid   328] +++ exited with 0 +++
[pid   325] +++ exited with 0 +++
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   329] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 329
[pid   329] <... set_robust_list resumed>) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 330 attached
 <unfinished ...>
[pid   329] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=325, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 331 attached
 <unfinished ...>
[pid   330] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   329] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 330
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   331] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   330] <... set_robust_list resumed>) = 0
[pid   331] <... set_robust_list resumed>) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   329] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   331] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   330] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   329] <... prctl resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 331
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   331] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   330] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   329] setpgid(0, 0 <unfinished ...>
[pid   331] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   330] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   329] <... setpgid resumed>)      = 0
[pid   331] <... prctl resumed>)        = 0
[pid   330] <... prctl resumed>)        = 0
[pid   331] setpgid(0, 0)               = 0
[pid   330] setpgid(0, 0 <unfinished ...>
[pid   329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   330] <... setpgid resumed>)      = 0
[pid   331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   329] <... openat resumed>)       = 3
[pid   330] <... openat resumed>)       = 3
[pid   331] <... openat resumed>)       = 3
[pid   329] write(3, "1000", 4 <unfinished ...>
[pid   331] write(3, "1000", 4 <unfinished ...>
[pid   330] write(3, "1000", 4 <unfinished ...>
[pid   329] <... write resumed>)        = 4
[pid   331] <... write resumed>)        = 4
[pid   330] <... write resumed>)        = 4
[pid   331] close(3 <unfinished ...>
[pid   329] close(3 <unfinished ...>
[pid   331] <... close resumed>)        = 0
[pid   330] close(3 <unfinished ...>
[pid   329] <... close resumed>)        = 0
[pid   331] write(1, "executing program\n", 18 <unfinished ...>
[pid   330] <... close resumed>)        = 0
[pid   330] write(1, "executing program\n", 18) = 18
[pid   330] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid   330] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   330] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   330] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   330] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   329] write(1, "executing program\n", 18 <unfinished ...>
[pid   330] <... rt_sigprocmask resumed>, [], 8) = 0
executing program
executing program
[pid   331] <... write resumed>)        = 18
[pid   329] <... write resumed>)        = 18
[pid   331] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   330] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   331] <... futex resumed>)        = 0
[pid   329] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 332 attached
 <unfinished ...>
[pid   330] <... clone3 resumed> => {parent_tid=[332]}, 88) = 332
[pid   331] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   329] <... futex resumed>)        = 0
[pid   330] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   329] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   332] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   331] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   330] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   332] <... set_robust_list resumed>) = 0
[pid   331] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   329] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   332] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   331] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   329] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   329] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   332] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   330] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   330] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   331] <... mmap resumed>)         = 0x7fb4de009000
[pid   329] <... mmap resumed>)         = 0x7fb4de009000
[pid   331] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   329] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   332] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   331] <... mprotect resumed>)     = 0
[pid   329] <... mprotect resumed>)     = 0
[pid   332] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   329] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   332] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   331] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   329] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   332] <... futex resumed>)        = 1
[pid   331] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   330] <... futex resumed>)        = 0
[pid   329] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   332] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   331] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   330] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 333 attached
 <unfinished ...>
[pid   332] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   330] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 334 attached
[pid   333] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   332] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   330] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   334] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   331] <... clone3 resumed> => {parent_tid=[333]}, 88) = 333
[pid   334] <... set_robust_list resumed>) = 0
[pid   333] <... set_robust_list resumed>) = 0
[pid   332] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   331] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   329] <... clone3 resumed> => {parent_tid=[334]}, 88) = 334
[pid   334] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   333] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   332] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   331] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   329] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   334] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   333] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   332] <... futex resumed>)        = 1
[pid   331] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   330] <... futex resumed>)        = 0
[pid   329] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   334] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   331] <... futex resumed>)        = 0
[pid   330] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   332] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   331] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   330] <... futex resumed>)        = 0
[pid   330] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   332] <... openat resumed>)       = 3
[pid   329] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   332] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   334] <... futex resumed>)        = 0
[pid   332] <... futex resumed>)        = 1
[pid   330] <... futex resumed>)        = 0
[pid   329] <... futex resumed>)        = 1
[pid   334] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   330] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   334] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   330] <... futex resumed>)        = 0
[pid   334] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   330] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   334] <... futex resumed>)        = 0
[pid   334] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   333] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid   333] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   331] <... futex resumed>)        = 0
[pid   333] <... futex resumed>)        = 1
[pid   331] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   333] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   331] <... futex resumed>)        = 0
[pid   333] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   331] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   333] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   331] <... futex resumed>)        = 0
[pid   333] <... futex resumed>)        = 1
[pid   333] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   331] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   333] <... openat resumed>)       = 3
[pid   331] <... futex resumed>)        = 0
[pid   331] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   333] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   331] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   333] <... futex resumed>)        = 0
[pid   331] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   333] write(3, "\x38\x00", 2 <unfinished ...>
[pid   331] <... futex resumed>)        = 0
[pid   333] <... write resumed>)        = 2
[pid   333] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   331] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   333] <... futex resumed>)        = 0
[pid   331] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   333] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   331] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   333] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   331] <... futex resumed>)        = 0
[pid   333] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   331] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   333] <... openat resumed>)       = 4
[pid   333] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   331] <... futex resumed>)        = 0
[pid   331] exit_group(0 <unfinished ...>
[pid   333] <... futex resumed>)        = 1
[pid   331] <... exit_group resumed>)   = ?
[pid   333] +++ exited with 0 +++
[pid   314] <... restart_syscall resumed>) = 0
[pid   332] write(3, "\x38\x00", 2 <unfinished ...>
[pid   329] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   332] <... write resumed>)        = 2
[pid   329] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   332] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   331] +++ exited with 0 +++
[   23.906732][  T321] R10: 33203a6b63617473 R11: 0000000000000246 R12: 00007fb4de0df378
[   23.914769][  T321] R13: 0000200000000240 R14: 0000200000000300 R15: 0000200000000280
[   23.922834][  T321]  </TASK>
[   23.925856][  T321] ---[ end trace 0000000000000000 ]---
[pid   329] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   334] <... futex resumed>)        = 0
[pid   332] <... futex resumed>)        = 1
[pid   330] <... futex resumed>)        = 0
[pid   329] <... futex resumed>)        = 1
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   332] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   329] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=331, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   334] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   330] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   334] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   332] <... futex resumed>)        = 0
[pid   330] <... futex resumed>)        = 1
[pid   334] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   330] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   334] <... futex resumed>)        = 1
[pid   332] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   329] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 335 attached
[pid   334] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   332] <... openat resumed>)       = 4
[pid   335] set_robust_list(0x55557716c6a0, 24) = 0
[pid   329] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   332] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 335
[pid   335] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   334] <... futex resumed>)        = 0
[pid   329] <... futex resumed>)        = 1
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   335] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   334] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   332] <... futex resumed>)        = 1
[pid   330] <... futex resumed>)        = 0
[pid   329] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   335] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   334] <... openat resumed>)       = 3
[pid   332] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   330] exit_group(0 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   334] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   332] <... futex resumed>)        = ?
[pid   330] <... exit_group resumed>)   = ?
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   335] <... prctl resumed>)        = 0
[pid   334] <... futex resumed>)        = 1
[pid   332] +++ exited with 0 +++
[pid   330] +++ exited with 0 +++
[pid   329] <... futex resumed>)        = 0
[pid   335] setpgid(0, 0 <unfinished ...>
[pid   334] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   335] <... setpgid resumed>)      = 0
[pid   335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   329] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 336
[pid   334] <... futex resumed>)        = 0
[pid   329] <... futex resumed>)        = 1
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=330, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   334] write(3, "\x38\x00", 2 <unfinished ...>
[pid   329] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   334] <... write resumed>)        = 2
ci2-android-6-12-rust/strace-static-x86_64: Process 336 attached
[pid   335] <... openat resumed>)       = 3
[pid   334] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   336] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   335] write(3, "1000", 4 <unfinished ...>
[pid   334] <... futex resumed>)        = 1
[pid   329] <... futex resumed>)        = 0
[pid   336] <... set_robust_list resumed>) = 0
[pid   335] <... write resumed>)        = 4
[pid   334] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   329] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   336] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   335] close(3 <unfinished ...>
[pid   336] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   335] <... close resumed>)        = 0
[pid   334] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   329] <... futex resumed>)        = 0
[pid   336] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   335] write(1, "executing program\n", 18 <unfinished ...>
[pid   334] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   329] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   336] <... prctl resumed>)        = 0
[pid   335] <... write resumed>)        = 18
[pid   336] setpgid(0, 0 <unfinished ...>
[pid   335] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   334] <... openat resumed>)       = 4
[pid   336] <... setpgid resumed>)      = 0
[pid   335] <... futex resumed>)        = 0
executing program
[pid   336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   335] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   334] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   335] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   336] <... openat resumed>)       = 3
[pid   335] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   334] <... futex resumed>)        = 1
[pid   329] <... futex resumed>)        = 0
[pid   335] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   334] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   336] write(3, "1000", 4 <unfinished ...>
[pid   335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   329] exit_group(0 <unfinished ...>
[pid   336] <... write resumed>)        = 4
[pid   335] <... mmap resumed>)         = 0x7fb4de009000
[pid   336] close(3 <unfinished ...>
[pid   335] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   334] <... futex resumed>)        = ?
[pid   329] <... exit_group resumed>)   = ?
[pid   336] <... close resumed>)        = 0
[pid   335] <... mprotect resumed>)     = 0
[pid   334] +++ exited with 0 +++
[pid   336] write(1, "executing program\n", 18 <unfinished ...>
[pid   335] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   336] <... write resumed>)        = 18
[pid   336] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   335] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   336] <... futex resumed>)        = 0
[pid   335] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   336] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}ci2-android-6-12-rust/strace-static-x86_64: Process 337 attached
, NULL, 8) = 0
[pid   337] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   336] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   335] <... clone3 resumed> => {parent_tid=[337]}, 88) = 337
[pid   337] <... set_robust_list resumed>) = 0
executing program
[pid   336] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   335] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   329] +++ exited with 0 +++
[pid   337] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   335] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   337] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   336] <... mmap resumed>)         = 0x7fb4de009000
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=329, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   337] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   336] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   335] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   337] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   336] <... mprotect resumed>)     = 0
[pid   335] <... futex resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   337] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   335] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   337] <... futex resumed>)        = 0
[pid   336] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   335] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   337] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   336] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   335] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   337] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   336] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   335] <... futex resumed>)        = 0
[pid   337] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   335] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   337] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   336] <... clone3 resumed> => {parent_tid=[338]}, 88) = 338
[pid   337] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   336] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   337] <... futex resumed>)        = 1
[pid   336] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   335] <... futex resumed>)        = 0
[pid   337] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   336] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   335] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   337] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   336] <... futex resumed>)        = 0
[pid   335] <... futex resumed>)        = 0
[pid   337] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   336] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   335] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   337] <... openat resumed>)       = 3
[pid   337] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   335] <... futex resumed>)        = 0
[pid   337] <... futex resumed>)        = 1
[pid   335] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   337] write(3, "\x38\x00", 2 <unfinished ...>
[pid   335] <... futex resumed>)        = 0
[pid   337] <... write resumed>)        = 2
[pid   335] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   337] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   335] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   337] <... futex resumed>)        = 0
[pid   335] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   337] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   335] <... futex resumed>)        = 0
[pid   337] <... openat resumed>)       = 4
[pid   335] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   337] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   335] <... futex resumed>)        = 0
[pid   337] <... futex resumed>)        = 1
[pid   335] exit_group(0 <unfinished ...>
[pid   337] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid   337] +++ exited with 0 +++
[pid   335] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 338 attached
[pid   335] +++ exited with 0 +++
[pid   338] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   338] <... set_robust_list resumed>) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=335, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   338] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   338] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   338] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   336] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   338] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   336] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   338] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   336] <... futex resumed>)        = 0
[pid   336] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   338] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   338] <... futex resumed>)        = 1
[pid   336] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   338] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   336] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   338] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   336] <... futex resumed>)        = 0
[pid   338] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   336] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   338] <... openat resumed>)       = 3
[pid   338] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   336] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 339 attached
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 339
[pid   338] <... futex resumed>)        = 1
[pid   336] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   338] write(3, "\x38\x00", 2 <unfinished ...>
[pid   336] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   338] <... write resumed>)        = 2
[pid   336] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 340 attached
 <unfinished ...>
[pid   338] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   336] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   338] <... futex resumed>)        = 0
[pid   336] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   338] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   336] <... futex resumed>)        = 0
[pid   338] <... openat resumed>)       = 4
[pid   336] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   338] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   336] <... futex resumed>)        = 0
[pid   338] <... futex resumed>)        = 1
[pid   336] exit_group(0 <unfinished ...>
[pid   338] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid   336] <... exit_group resumed>)   = ?
[pid   340] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   339] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   338] +++ exited with 0 +++
[pid   336] +++ exited with 0 +++
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   340] <... set_robust_list resumed>) = 0
[pid   339] <... set_robust_list resumed>) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 340
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=336, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   340] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   339] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   340] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   339] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   340] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   339] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   340] <... prctl resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   340] setpgid(0, 0 <unfinished ...>
[pid   339] <... prctl resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   340] <... setpgid resumed>)      = 0
[pid   339] setpgid(0, 0ci2-android-6-12-rust/strace-static-x86_64: Process 342 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 341 attached
 <unfinished ...>
[pid   340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   339] <... setpgid resumed>)      = 0
[pid   342] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 342
[pid   342] <... set_robust_list resumed>) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   342] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   340] <... openat resumed>)       = 3
[pid   339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 341
[pid   342] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   342] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   339] <... openat resumed>)       = 3
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   341] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   339] write(3, "1000", 4 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   341] <... set_robust_list resumed>) = 0
[pid   340] write(3, "1000", 4 <unfinished ...>
[pid   339] <... write resumed>)        = 4
[pid   341] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   340] <... write resumed>)        = 4
[pid   341] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   339] close(3 <unfinished ...>
[pid   342] <... prctl resumed>)        = 0
[pid   342] setpgid(0, 0)               = 0
[pid   342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   341] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   340] close(3 <unfinished ...>
[pid   339] <... close resumed>)        = 0
[pid   342] <... openat resumed>)       = 3
[pid   342] write(3, "1000", 4)         = 4
[pid   342] close(3)                    = 0
[pid   342] write(1, "executing program\n", 18) = 18
[pid   342] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid   342] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   342] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   342] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   342] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   342] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 343 attached
 => {parent_tid=[343]}, 88) = 343
[pid   343] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   341] <... prctl resumed>)        = 0
[pid   340] <... close resumed>)        = 0
[pid   339] write(1, "executing program\n", 18 <unfinished ...>
[pid   341] setpgid(0, 0 <unfinished ...>
[pid   340] write(1, "executing program\n", 18 <unfinished ...>
[pid   339] <... write resumed>)        = 18
[pid   341] <... setpgid resumed>)      = 0
[pid   340] <... write resumed>)        = 18
[pid   339] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   343] <... set_robust_list resumed>) = 0
executing program
executing program
[pid   342] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   343] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   342] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   340] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   339] <... futex resumed>)        = 0
[pid   343] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   342] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   340] <... futex resumed>)        = 0
[pid   339] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   343] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   342] <... futex resumed>)        = 0
[pid   341] <... openat resumed>)       = 3
[pid   340] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   343] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   342] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   339] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   343] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   341] write(3, "1000", 4 <unfinished ...>
[pid   340] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   339] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   340] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   343] <... futex resumed>)        = 1
[pid   341] <... write resumed>)        = 4
[pid   339] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   343] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   341] close(3 <unfinished ...>
[pid   340] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   341] <... close resumed>)        = 0
[pid   340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   339] <... mmap resumed>)         = 0x7fb4de009000
[pid   341] write(1, "executing program\n", 18 <unfinished ...>
[pid   340] <... mmap resumed>)         = 0x7fb4de009000
[pid   339] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   341] <... write resumed>)        = 18
[pid   340] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   339] <... mprotect resumed>)     = 0
executing program
[pid   341] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   342] <... futex resumed>)        = 0
[pid   341] <... futex resumed>)        = 0
[pid   340] <... mprotect resumed>)     = 0
[pid   339] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   342] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   343] <... futex resumed>)        = 0
[pid   342] <... futex resumed>)        = 1
[pid   343] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   342] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   343] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   341] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   343] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   340] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   341] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   339] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   343] <... futex resumed>)        = 1
[pid   342] <... futex resumed>)        = 0
[pid   343] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   342] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   339] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   343] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   342] <... futex resumed>)        = 0
[pid   341] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   340] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   343] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   342] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 344 attached
 <unfinished ...>
[pid   343] <... openat resumed>)       = 3
[pid   341] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   340] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   344] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   343] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   344] <... set_robust_list resumed>) = 0
[pid   343] <... futex resumed>)        = 1
[pid   342] <... futex resumed>)        = 0
[pid   344] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   343] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   342] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   344] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   343] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   342] <... futex resumed>)        = 0
[pid   341] <... mmap resumed>)         = 0x7fb4de009000
[pid   344] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   343] write(3, "\x38\x00", 2 <unfinished ...>
[pid   342] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   341] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   339] <... clone3 resumed> => {parent_tid=[344]}, 88) = 344
ci2-android-6-12-rust/strace-static-x86_64: Process 345 attached
[pid   343] <... write resumed>)        = 2
[pid   341] <... mprotect resumed>)     = 0
[pid   339] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   345] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   343] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   339] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   345] <... set_robust_list resumed>) = 0
[pid   343] <... futex resumed>)        = 1
[pid   342] <... futex resumed>)        = 0
[pid   341] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   340] <... clone3 resumed> => {parent_tid=[345]}, 88) = 345
[pid   339] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   345] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   343] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   342] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   345] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   344] <... futex resumed>)        = 0
[pid   343] <... openat resumed>)       = 4
[pid   342] <... futex resumed>)        = 0
[pid   339] <... futex resumed>)        = 1
[pid   345] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   342] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   344] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   343] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   344] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   343] <... futex resumed>)        = 1
[pid   342] <... futex resumed>)        = 0
[pid   344] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   343] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   342] exit_group(0 <unfinished ...>
[pid   344] <... futex resumed>)        = 0
[pid   343] <... futex resumed>)        = ?
[pid   342] <... exit_group resumed>)   = ?
[pid   341] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   340] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   339] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   344] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   343] +++ exited with 0 +++
[pid   342] +++ exited with 0 +++
[pid   341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   340] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   339] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   340] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   339] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   345] <... futex resumed>)        = 0
[pid   344] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=342, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 346 attached
[pid   345] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   344] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   340] <... futex resumed>)        = 1
[pid   339] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   346] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   345] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   344] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   341] <... clone3 resumed> => {parent_tid=[346]}, 88) = 346
[pid   339] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   346] <... set_robust_list resumed>) = 0
[pid   345] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   341] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   340] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   341] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   340] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   346] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   345] <... futex resumed>)        = 0
[pid   344] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   341] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   340] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   346] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   345] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   344] <... futex resumed>)        = 1
[pid   341] <... futex resumed>)        = 0
[pid   340] <... futex resumed>)        = 0
[pid   339] <... futex resumed>)        = 0
[pid   346] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   345] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   344] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   341] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   340] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   339] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   346] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   345] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   344] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   340] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   339] <... futex resumed>)        = 0
[pid   346] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   345] <... futex resumed>)        = 0
[pid   344] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   340] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   339] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   346] <... futex resumed>)        = 1
[pid   345] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   344] <... openat resumed>)       = 3
[pid   341] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   346] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   345] <... openat resumed>)       = 3
[pid   344] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   340] <... futex resumed>)        = 0
[pid   346] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   345] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   344] <... futex resumed>)        = 1
[pid   341] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   340] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   339] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   346] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   345] <... futex resumed>)        = 0
[pid   344] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   341] <... futex resumed>)        = 0
[pid   340] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   339] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   346] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   345] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   344] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   341] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   340] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   339] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 347 attached
[pid   346] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   345] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   344] write(3, "\x38\x00", 2 <unfinished ...>
[pid   341] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   340] <... futex resumed>)        = 0
[pid   339] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   340] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   347] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   341] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   347] <... set_robust_list resumed>) = 0
[pid   341] <... futex resumed>)        = 0
[pid   346] <... futex resumed>)        = 0
[pid   345] write(3, "\x38\x00", 2 <unfinished ...>
[pid   344] <... write resumed>)        = 2
[pid   341] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 347
[pid   347] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   346] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   345] <... write resumed>)        = 2
[pid   344] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   347] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   346] <... openat resumed>)       = 3
[pid   345] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   344] <... futex resumed>)        = 1
[pid   339] <... futex resumed>)        = 0
[pid   346] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   345] <... futex resumed>)        = 1
[pid   344] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   339] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   346] <... futex resumed>)        = 1
[pid   345] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   344] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   341] <... futex resumed>)        = 0
[pid   340] <... futex resumed>)        = 0
[pid   347] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   346] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   344] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   341] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   340] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   339] <... futex resumed>)        = 0
[pid   347] <... prctl resumed>)        = 0
[pid   346] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   345] <... futex resumed>)        = 0
[pid   344] <... openat resumed>)       = 4
[pid   341] <... futex resumed>)        = 0
[pid   340] <... futex resumed>)        = 1
[pid   339] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   347] setpgid(0, 0 <unfinished ...>
[pid   346] write(3, "\x38\x00", 2 <unfinished ...>
[pid   345] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   341] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   340] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   347] <... setpgid resumed>)      = 0
[pid   347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   346] <... write resumed>)        = 2
[pid   345] <... openat resumed>)       = 4
[pid   344] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   346] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   345] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   344] <... futex resumed>)        = 1
[pid   339] <... futex resumed>)        = 0
[pid   346] <... futex resumed>)        = 1
[pid   345] <... futex resumed>)        = 1
[pid   344] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   347] <... openat resumed>)       = 3
[pid   341] <... futex resumed>)        = 0
[pid   346] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   345] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   340] <... futex resumed>)        = 0
[pid   339] exit_group(0 <unfinished ...>
[pid   347] write(3, "1000", 4)         = 4
[pid   347] close(3)                    = 0
[pid   341] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   340] exit_group(0 <unfinished ...>
[pid   347] write(1, "executing program\n", 18 <unfinished ...>
[pid   346] <... futex resumed>)        = 0
[pid   344] <... futex resumed>)        = ?
[pid   341] <... futex resumed>)        = 1
[pid   340] <... exit_group resumed>)   = ?
[pid   339] <... exit_group resumed>)   = ?
[pid   347] <... write resumed>)        = 18
[pid   346] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   345] <... futex resumed>)        = ?
[pid   344] +++ exited with 0 +++
[pid   341] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   347] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   346] <... openat resumed>)       = 4
[pid   345] +++ exited with 0 +++
[pid   340] +++ exited with 0 +++
[pid   339] +++ exited with 0 +++
[pid   347] <... futex resumed>)        = 0
[pid   346] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=340, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   347] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   346] <... futex resumed>)        = 1
[pid   341] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=339, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   347] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   341] exit_group(0 <unfinished ...>
[pid   347] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   346] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   347] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   346] <... futex resumed>)        = ?
executing program
[pid   341] <... exit_group resumed>)   = ?
[pid   347] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   346] +++ exited with 0 +++
[pid   347] <... mprotect resumed>)     = 0
[pid   347] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 348 attached
 => {parent_tid=[348]}, 88) = 348
[pid   348] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   347] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   348] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   347] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   341] +++ exited with 0 +++
[pid   348] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   347] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   348] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   347] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=341, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   348] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   347] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   348] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   347] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   348] <... futex resumed>)        = 0
[pid   347] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   348] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   347] <... futex resumed>)        = 0
[pid   348] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   347] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   348] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   347] <... futex resumed>)        = 0
[pid   348] <... futex resumed>)        = 1
[pid   348] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   347] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   348] <... openat resumed>)       = 3
[pid   347] <... futex resumed>)        = 0
[pid   347] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   348] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   347] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   348] <... futex resumed>)        = 0
[pid   347] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   348] write(3, "\x38\x00", 2 <unfinished ...>
[pid   347] <... futex resumed>)        = 0
[pid   348] <... write resumed>)        = 2
[pid   348] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   347] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   348] <... futex resumed>)        = 0
[pid   347] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... restart_syscall resumed>) = 0
[pid   348] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   348] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   347] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   348] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   347] <... futex resumed>)        = 0
[pid   348] <... openat resumed>)       = 4
[pid   347] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   348] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   348] <... futex resumed>)        = 1
[pid   347] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   348] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   347] exit_group(0 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   348] <... futex resumed>)        = ?
[pid   347] <... exit_group resumed>)   = ?
[pid   348] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 349 attached
[pid   347] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=347, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 349
[pid   312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   349] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   349] <... set_robust_list resumed>) = 0
[pid   349] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   349] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 350 attached
[pid   350] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   349] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 350
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   350] <... set_robust_list resumed>) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   350] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   350] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   350] setpgid(0, 0ci2-android-6-12-rust/strace-static-x86_64: Process 351 attached
)               = 0
[pid   350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   349] <... prctl resumed>)        = 0
[pid   351] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   349] setpgid(0, 0 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 351
[pid   351] <... set_robust_list resumed>) = 0
[pid   349] <... setpgid resumed>)      = 0
[pid   350] write(3, "1000", 4 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   351] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   350] <... write resumed>)        = 4
[pid   349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   351] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   350] close(3)                    = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   351] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
executing program
[pid   350] write(1, "executing program\n", 18 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   350] <... write resumed>)        = 18
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 352 attached
 <unfinished ...>
[pid   350] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   349] <... openat resumed>)       = 3
[pid   351] <... prctl resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   349] write(3, "1000", 4 <unfinished ...>
[pid   351] setpgid(0, 0)               = 0
[pid   349] <... write resumed>)        = 4
[pid   352] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   350] <... futex resumed>)        = 0
[pid   349] close(3 <unfinished ...>
[pid   352] <... set_robust_list resumed>) = 0
[pid   351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   350] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   352] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   350] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   349] <... close resumed>)        = 0
[pid   352] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   351] <... openat resumed>)       = 3
[pid   350] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   349] write(1, "executing program\n", 18 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 352
[pid   352] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   351] write(3, "1000", 4 <unfinished ...>
[pid   350] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   349] <... write resumed>)        = 18
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   351] <... write resumed>)        = 4
[pid   349] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   351] close(3 <unfinished ...>
[pid   349] <... futex resumed>)        = 0
[pid   351] <... close resumed>)        = 0
[pid   349] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   351] write(1, "executing program\n", 18) = 18
[pid   349] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   352] <... prctl resumed>)        = 0
[pid   351] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   349] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   352] setpgid(0, 0 <unfinished ...>
[pid   350] <... mmap resumed>)         = 0x7fb4de009000
[pid   352] <... setpgid resumed>)      = 0
[pid   350] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   351] <... futex resumed>)        = 0
[pid   350] <... mprotect resumed>)     = 0
[pid   349] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   352] <... openat resumed>)       = 3
[pid   351] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   350] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   352] write(3, "1000", 4 <unfinished ...>
[pid   351] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   350] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   352] <... write resumed>)        = 4
[pid   351] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
executing program
executing program
[pid   350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   349] <... mmap resumed>)         = 0x7fb4de009000
ci2-android-6-12-rust/strace-static-x86_64: Process 353 attached
[pid   352] close(3 <unfinished ...>
[pid   351] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   349] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   352] <... close resumed>)        = 0
[pid   351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   352] write(1, "executing program\n", 18 <unfinished ...>
[pid   350] <... clone3 resumed> => {parent_tid=[353]}, 88) = 353
[pid   353] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   352] <... write resumed>)        = 18
[pid   351] <... mmap resumed>)         = 0x7fb4de009000
[pid   350] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   349] <... mprotect resumed>)     = 0
[pid   352] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   350] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   352] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   350] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   352] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   350] <... futex resumed>)        = 0
executing program
[pid   352] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   350] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   352] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   351] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   352] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   349] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   351] <... mprotect resumed>)     = 0
[pid   353] <... set_robust_list resumed>) = 0
[pid   349] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   353] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   352] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   349] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   353] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   352] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   351] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   352] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   353] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   351] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   353] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   353] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 355 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 354 attached
 <unfinished ...>
[pid   352] <... clone3 resumed> => {parent_tid=[355]}, 88) = 355
[pid   355] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   354] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   352] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 356 attached
 <unfinished ...>
[pid   355] <... set_robust_list resumed>) = 0
[pid   354] <... set_robust_list resumed>) = 0
[pid   353] <... futex resumed>)        = 1
[pid   352] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   350] <... futex resumed>)        = 0
[pid   349] <... clone3 resumed> => {parent_tid=[354]}, 88) = 354
[pid   356] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   355] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   354] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   353] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   352] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   351] <... clone3 resumed> => {parent_tid=[356]}, 88) = 356
[pid   350] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   356] <... set_robust_list resumed>) = 0
[pid   355] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   354] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   352] <... futex resumed>)        = 0
[pid   350] <... futex resumed>)        = 0
[pid   356] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   355] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   354] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   352] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   351] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   349] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   356] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   355] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   353] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   351] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   350] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   349] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   356] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   355] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   351] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   356] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   355] <... futex resumed>)        = 1
[pid   353] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   352] <... futex resumed>)        = 0
[pid   351] <... futex resumed>)        = 0
[pid   349] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   356] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   355] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   353] <... futex resumed>)        = 1
[pid   354] <... futex resumed>)        = 0
[pid   352] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   351] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   350] <... futex resumed>)        = 0
[pid   349] <... futex resumed>)        = 1
[pid   356] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   355] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   354] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   353] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   352] <... futex resumed>)        = 0
[pid   350] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   349] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   353] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   356] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   355] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   354] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   352] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   350] <... futex resumed>)        = 0
[pid   356] <... futex resumed>)        = 1
[pid   355] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   354] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   353] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   351] <... futex resumed>)        = 0
[pid   350] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   356] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   355] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   354] <... futex resumed>)        = 1
[pid   353] <... openat resumed>)       = 3
[pid   351] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   349] <... futex resumed>)        = 0
[pid   356] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   355] <... futex resumed>)        = 1
[pid   354] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   352] <... futex resumed>)        = 0
[pid   351] <... futex resumed>)        = 0
[pid   349] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   353] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   356] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   355] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   354] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   352] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   351] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   349] <... futex resumed>)        = 0
[pid   356] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   355] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   354] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   353] <... futex resumed>)        = 1
[pid   352] <... futex resumed>)        = 0
[pid   350] <... futex resumed>)        = 0
[pid   349] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   356] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   355] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   354] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   353] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   352] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   350] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   356] <... futex resumed>)        = 1
[pid   355] <... openat resumed>)       = 3
[pid   354] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   353] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   351] <... futex resumed>)        = 0
[pid   350] <... futex resumed>)        = 0
[pid   356] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   355] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   354] <... futex resumed>)        = 1
[pid   353] write(3, "\x38\x00", 2 <unfinished ...>
[pid   351] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   350] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   356] <... openat resumed>)       = 3
[pid   355] <... futex resumed>)        = 1
[pid   354] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   353] <... write resumed>)        = 2
[pid   352] <... futex resumed>)        = 0
[pid   351] <... futex resumed>)        = 0
[pid   349] <... futex resumed>)        = 0
[pid   356] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   355] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   353] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   352] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   351] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   349] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   356] <... futex resumed>)        = 0
[pid   355] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   353] <... futex resumed>)        = 1
[pid   352] <... futex resumed>)        = 0
[pid   351] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   350] <... futex resumed>)        = 0
[pid   356] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   355] write(3, "\x38\x00", 2 <unfinished ...>
[pid   354] <... futex resumed>)        = 0
[pid   353] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   352] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   351] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   350] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   349] <... futex resumed>)        = 1
[pid   356] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   355] <... write resumed>)        = 2
[pid   354] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   353] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   351] <... futex resumed>)        = 0
[pid   350] <... futex resumed>)        = 0
[pid   356] write(3, "\x38\x00", 2 <unfinished ...>
[pid   355] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   354] <... openat resumed>)       = 3
[pid   353] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   351] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   350] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   349] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   356] <... write resumed>)        = 2
[pid   353] <... openat resumed>)       = 4
[pid   356] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   355] <... futex resumed>)        = 1
[pid   354] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   353] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   352] <... futex resumed>)        = 0
[pid   356] <... futex resumed>)        = 1
[pid   355] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   354] <... futex resumed>)        = 1
[pid   353] <... futex resumed>)        = 1
[pid   351] <... futex resumed>)        = 0
[pid   350] <... futex resumed>)        = 0
[pid   349] <... futex resumed>)        = 0
[pid   356] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   355] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   354] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   353] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   352] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   351] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   350] exit_group(0 <unfinished ...>
[pid   349] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   356] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   355] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   354] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   353] <... futex resumed>)        = ?
[pid   352] <... futex resumed>)        = 0
[pid   351] <... futex resumed>)        = 0
[pid   350] <... exit_group resumed>)   = ?
[pid   349] <... futex resumed>)        = 0
[pid   356] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   355] <... openat resumed>)       = 4
[pid   354] write(3, "\x38\x00", 2 <unfinished ...>
[pid   353] +++ exited with 0 +++
[pid   352] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   351] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   350] +++ exited with 0 +++
[pid   349] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   356] <... openat resumed>)       = 4
[pid   355] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   354] <... write resumed>)        = 2
[pid   352] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   354] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   356] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   355] <... futex resumed>)        = 0
[pid   354] <... futex resumed>)        = 1
[pid   352] exit_group(0 <unfinished ...>
[pid   349] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=350, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   356] <... futex resumed>)        = 1
[pid   355] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   354] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   351] <... futex resumed>)        = 0
[pid   356] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   355] <... futex resumed>)        = ?
[pid   355] +++ exited with 0 +++
[pid   352] <... exit_group resumed>)   = ?
[pid   352] +++ exited with 0 +++
[pid   351] exit_group(0 <unfinished ...>
[pid   349] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   356] <... futex resumed>)        = ?
[pid   354] <... futex resumed>)        = 0
[pid   351] <... exit_group resumed>)   = ?
[pid   349] <... futex resumed>)        = 1
[pid   356] +++ exited with 0 +++
[pid   354] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   351] +++ exited with 0 +++
[pid   349] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=352, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   354] <... openat resumed>)       = 4
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   354] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   349] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=351, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   354] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   349] exit_group(0 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   354] <... futex resumed>)        = ?
[pid   349] <... exit_group resumed>)   = ?
[pid   354] +++ exited with 0 +++
[pid   349] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=349, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 357 attached
[pid   357] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   357] <... set_robust_list resumed>) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   357] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 357
[pid   357] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   357] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   357] <... prctl resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 358 attached
[pid   357] setpgid(0, 0 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 358
[pid   357] <... setpgid resumed>)      = 0
[pid   358] set_robust_list(0x55557716c6a0, 24) = 0
[pid   357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   358] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   357] <... openat resumed>)       = 3
[pid   358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   358] setpgid(0, 0)               = 0
[pid   358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   357] write(3, "1000", 4)         = 4
[pid   357] close(3 <unfinished ...>
[pid   358] <... openat resumed>)       = 3
[pid   358] write(3, "1000", 4 <unfinished ...>
[pid   357] <... close resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   358] <... write resumed>)        = 4
[pid   357] write(1, "executing program\n", 18 <unfinished ...>
[pid   358] close(3 <unfinished ...>
[pid   357] <... write resumed>)        = 18
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   357] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   357] <... futex resumed>)        = 0
[pid   358] <... close resumed>)        = 0
[pid   358] write(1, "executing program\n", 18) = 18
[pid   358] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   358] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   358] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   357] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
executing program
ci2-android-6-12-rust/strace-static-x86_64: Process 359 attached
[pid   358] <... mmap resumed>)         = 0x7fb4de009000
[pid   359] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   358] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   359] <... set_robust_list resumed>) = 0
[pid   358] <... mprotect resumed>)     = 0
[pid   359] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   358] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   359] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   358] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   359] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   358] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 360 attached
 <unfinished ...>
[pid   359] <... prctl resumed>)        = 0
[pid   357] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   359] setpgid(0, 0 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 359
[pid   357] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   359] <... setpgid resumed>)      = 0
[pid   358] <... clone3 resumed> => {parent_tid=[360]}, 88) = 360
[pid   360] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   358] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   360] <... set_robust_list resumed>) = 0
[pid   359] <... openat resumed>)       = 3
[pid   358] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   357] <... mmap resumed>)         = 0x7fb4de009000
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   360] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   357] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   360] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   359] write(3, "1000", 4 <unfinished ...>
[pid   358] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   359] <... write resumed>)        = 4
[pid   358] <... futex resumed>)        = 0
[pid   359] close(3 <unfinished ...>
[pid   358] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   359] <... close resumed>)        = 0
[pid   359] write(1, "executing program\n", 18) = 18
ci2-android-6-12-rust/strace-static-x86_64: Process 361 attached
[pid   359] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   360] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   361] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   359] <... futex resumed>)        = 0
[pid   357] <... mprotect resumed>)     = 0
executing program
[pid   359] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   361] <... set_robust_list resumed>) = 0
[pid   359] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   361] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   359] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   361] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   359] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   361] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   361] <... prctl resumed>)        = 0
[pid   361] setpgid(0, 0)               = 0
[pid   359] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   359] <... mprotect resumed>)     = 0
[pid   359] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   361] <... openat resumed>)       = 3
[pid   359] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   361] write(3, "1000", 4 <unfinished ...>
[pid   359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   361] <... write resumed>)        = 4
[pid   361] close(3 <unfinished ...>
[pid   360] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   361] <... close resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 362 attached
[pid   361] write(1, "executing program\n", 18 <unfinished ...>
[pid   359] <... clone3 resumed> => {parent_tid=[362]}, 88) = 362
[pid   362] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   360] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   357] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 361
executing program
[pid   362] <... set_robust_list resumed>) = 0
[pid   361] <... write resumed>)        = 18
[pid   360] <... futex resumed>)        = 1
[pid   359] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   358] <... futex resumed>)        = 0
[pid   357] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   362] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   361] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   360] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   359] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   358] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   357] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   362] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   361] <... futex resumed>)        = 0
[pid   359] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   358] <... futex resumed>)        = 0
[pid   361] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   359] <... futex resumed>)        = 0
[pid   358] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 363 attached
 <unfinished ...>
[pid   362] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   361] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   360] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   359] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   363] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   362] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   361] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   360] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   357] <... clone3 resumed> => {parent_tid=[363]}, 88) = 363
[pid   363] <... set_robust_list resumed>) = 0
[pid   362] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   361] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   358] <... futex resumed>)        = 0
[pid   363] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   362] <... futex resumed>)        = 1
[pid   361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   360] <... futex resumed>)        = 1
[pid   359] <... futex resumed>)        = 0
[pid   358] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   357] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   363] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   362] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   361] <... mmap resumed>)         = 0x7fb4de009000
[pid   360] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   359] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   358] <... futex resumed>)        = 0
[pid   357] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   363] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   362] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   361] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   360] <... openat resumed>)       = 3
[pid   359] <... futex resumed>)        = 0
[pid   358] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   361] <... mprotect resumed>)     = 0
[pid   359] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   360] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   362] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   361] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   357] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   360] <... futex resumed>)        = 1
[pid   358] <... futex resumed>)        = 0
[pid   361] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   358] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   362] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   363] <... futex resumed>)        = 0
[pid   361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   360] write(3, "\x38\x00", 2 <unfinished ...>
[pid   358] <... futex resumed>)        = 0
[pid   357] <... futex resumed>)        = 1
[pid   363] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   362] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   363] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   362] <... futex resumed>)        = 1
[pid   360] <... write resumed>)        = 2
[pid   359] <... futex resumed>)        = 0
[pid   358] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   357] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 364 attached
 <unfinished ...>
[pid   363] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   362] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   361] <... clone3 resumed> => {parent_tid=[364]}, 88) = 364
[pid   360] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   359] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   357] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   364] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   363] <... futex resumed>)        = 0
[pid   362] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   361] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   360] <... futex resumed>)        = 1
[pid   359] <... futex resumed>)        = 0
[pid   358] <... futex resumed>)        = 0
[pid   357] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   364] <... set_robust_list resumed>) = 0
[pid   363] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   362] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   361] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   360] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   359] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   358] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   357] <... futex resumed>)        = 0
[pid   362] <... openat resumed>)       = 3
[pid   360] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   364] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   357] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   364] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   362] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   360] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   363] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   362] <... futex resumed>)        = 0
[pid   361] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   360] <... openat resumed>)       = 4
[pid   359] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   358] <... futex resumed>)        = 0
[pid   364] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   363] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   362] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   361] <... futex resumed>)        = 0
[pid   360] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   359] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   358] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   364] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   363] <... futex resumed>)        = 1
[pid   362] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   361] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   360] <... futex resumed>)        = 0
[pid   359] <... futex resumed>)        = 0
[pid   358] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   357] <... futex resumed>)        = 0
[pid   364] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   363] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   362] write(3, "\x38\x00", 2 <unfinished ...>
[pid   361] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   360] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   359] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   358] exit_group(0 <unfinished ...>
[pid   364] <... futex resumed>)        = 0
[pid   362] <... write resumed>)        = 2
[pid   361] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   358] <... exit_group resumed>)   = ?
[pid   357] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   364] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   362] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   361] <... futex resumed>)        = 0
[pid   360] <... futex resumed>)        = ?
[pid   363] <... futex resumed>)        = 0
[pid   362] <... futex resumed>)        = 1
[pid   361] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   359] <... futex resumed>)        = 0
[pid   357] <... futex resumed>)        = 1
[pid   363] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   359] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   363] <... openat resumed>)       = 3
[pid   359] <... futex resumed>)        = 0
[pid   359] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   363] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   363] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   364] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   362] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   360] +++ exited with 0 +++
[pid   358] +++ exited with 0 +++
[pid   357] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   362] <... openat resumed>)       = 4
[pid   364] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   357] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   362] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   364] <... futex resumed>)        = 1
[pid   361] <... futex resumed>)        = 0
[pid   357] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=358, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   362] <... futex resumed>)        = 1
[pid   359] <... futex resumed>)        = 0
[pid   364] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   362] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   361] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   357] <... futex resumed>)        = 1
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   364] <... openat resumed>)       = 3
[pid   363] <... futex resumed>)        = 0
[pid   361] <... futex resumed>)        = 0
[pid   359] exit_group(0 <unfinished ...>
[pid   357] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   363] write(3, "\x38\x00", 2 <unfinished ...>
[pid   361] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   359] <... exit_group resumed>)   = ?
[pid   364] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   363] <... write resumed>)        = 2
[pid   362] <... futex resumed>)        = ?
[pid   361] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   364] <... futex resumed>)        = 0
[pid   363] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   361] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   363] <... futex resumed>)        = 1
[pid   361] <... futex resumed>)        = 0
[pid   363] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   361] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   364] write(3, "\x38\x00", 2)     = 2
[pid   364] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   361] <... futex resumed>)        = 0
[pid   362] +++ exited with 0 +++
[pid   361] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   359] +++ exited with 0 +++
[pid   357] <... futex resumed>)        = 0
[pid   364] <... futex resumed>)        = 1
[pid   361] <... futex resumed>)        = 0
[pid   357] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=359, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   364] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   361] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   363] <... futex resumed>)        = 0
[pid   357] <... futex resumed>)        = 1
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   364] <... openat resumed>)       = 4
[pid   363] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   357] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   364] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   363] <... openat resumed>)       = 4
[pid   361] <... futex resumed>)        = 0
[pid   364] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   361] exit_group(0 <unfinished ...>
[pid   364] <... futex resumed>)        = ?
[pid   363] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   361] <... exit_group resumed>)   = ?
[pid   364] +++ exited with 0 +++
[pid   363] <... futex resumed>)        = 1
[pid   361] +++ exited with 0 +++
[pid   357] <... futex resumed>)        = 0
[pid   363] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   357] exit_group(0 <unfinished ...>
[pid   363] <... futex resumed>)        = ?
[pid   357] <... exit_group resumed>)   = ?
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=361, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   363] +++ exited with 0 +++
[pid   357] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 365 attached
[pid   365] set_robust_list(0x55557716c6a0, 24) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=357, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 365
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   365] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   365] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   365] setpgid(0, 0)               = 0
[pid   365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   365] write(3, "1000", 4 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   365] <... write resumed>)        = 4
[pid   365] close(3 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   365] <... close resumed>)        = 0
[pid   365] write(1, "executing program\n", 18) = 18
executing program
[pid   365] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   365] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   365] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   365] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   365] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   365] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   365] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} => {parent_tid=[366]}, 88) = 366
[pid   365] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   365] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 366 attached
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 367 attached
 <unfinished ...>
[pid   365] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   367] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   366] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   367] <... set_robust_list resumed>) = 0
[pid   367] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   367] setpgid(0, 0)               = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 368 attached
[pid   367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   366] <... set_robust_list resumed>) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 367
[pid   366] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   366] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 368
[pid   368] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   367] <... openat resumed>)       = 3
[pid   366] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   368] <... set_robust_list resumed>) = 0
[pid   367] write(3, "1000", 4 <unfinished ...>
[pid   366] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   368] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   367] <... write resumed>)        = 4
[pid   366] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   368] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   367] close(3 <unfinished ...>
[pid   368] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   367] <... close resumed>)        = 0
[pid   366] <... futex resumed>)        = 1
[pid   365] <... futex resumed>)        = 0
[pid   368] <... prctl resumed>)        = 0
[pid   367] write(1, "executing program\n", 18 <unfinished ...>
[pid   366] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
executing program
[pid   365] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   368] setpgid(0, 0 <unfinished ...>
[pid   367] <... write resumed>)        = 18
[pid   366] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   365] <... futex resumed>)        = 0
[pid   368] <... setpgid resumed>)      = 0
[pid   367] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   366] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   365] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   367] <... futex resumed>)        = 0
[pid   366] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   314] <... restart_syscall resumed>) = 0
[pid   368] <... openat resumed>)       = 3
[pid   367] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   366] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   367] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   368] write(3, "1000", 4 <unfinished ...>
[pid   367] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   366] <... futex resumed>)        = 1
[pid   365] <... futex resumed>)        = 0
[pid   368] <... write resumed>)        = 4
[pid   367] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   366] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   365] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   368] close(3 <unfinished ...>
[pid   367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   365] <... futex resumed>)        = 0
[pid   368] <... close resumed>)        = 0
[pid   367] <... mmap resumed>)         = 0x7fb4de009000
[pid   365] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   368] write(1, "executing program\n", 18 <unfinished ...>
[pid   367] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   368] <... write resumed>)        = 18
[pid   367] <... mprotect resumed>)     = 0
executing program
[pid   368] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   367] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   368] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   367] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   368] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   367] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   368] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 369 attached
[pid   368] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   366] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   368] <... mmap resumed>)         = 0x7fb4de009000
[pid   366] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   369] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   366] <... openat resumed>)       = 3
[pid   369] <... set_robust_list resumed>) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   369] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   366] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   368] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   367] <... clone3 resumed> => {parent_tid=[369]}, 88) = 369
[pid   368] <... mprotect resumed>)     = 0
[pid   367] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   368] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   367] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   368] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   367] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 370 attached
 <unfinished ...>
[pid   369] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   368] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   367] <... futex resumed>)        = 0
[pid   366] <... futex resumed>)        = 1
[pid   365] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 371 attached
[pid   370] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   369] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   367] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   366] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   365] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   370] <... set_robust_list resumed>) = 0
[pid   366] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   369] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   366] write(3, "\x38\x00", 2 <unfinished ...>
[pid   369] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   371] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   369] <... futex resumed>)        = 0
[pid   366] <... write resumed>)        = 2
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 370
[pid   371] <... set_robust_list resumed>) = 0
[pid   369] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   366] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   370] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   368] <... clone3 resumed> => {parent_tid=[371]}, 88) = 371
[pid   367] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   366] <... futex resumed>)        = 0
[pid   365] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   370] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   368] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   367] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   365] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   371] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   370] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   369] <... futex resumed>)        = 0
[pid   368] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   367] <... futex resumed>)        = 1
[pid   366] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   365] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   371] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   370] <... prctl resumed>)        = 0
[pid   369] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   368] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   367] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   366] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   365] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   371] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   370] setpgid(0, 0 <unfinished ...>
[pid   368] <... futex resumed>)        = 0
[pid   365] <... futex resumed>)        = 0
[pid   371] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   370] <... setpgid resumed>)      = 0
[pid   369] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   368] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   366] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   365] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   371] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   369] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   368] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   371] <... futex resumed>)        = 0
[pid   370] <... openat resumed>)       = 3
[pid   369] <... futex resumed>)        = 1
[pid   368] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   367] <... futex resumed>)        = 0
[pid   366] <... openat resumed>)       = 4
[pid   371] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   369] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   368] <... futex resumed>)        = 0
[pid   367] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   366] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   371] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   370] write(3, "1000", 4 <unfinished ...>
[pid   369] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   368] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   367] <... futex resumed>)        = 0
[pid   366] <... futex resumed>)        = 1
[pid   365] <... futex resumed>)        = 0
[pid   371] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   370] <... write resumed>)        = 4
[pid   369] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   368] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   367] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   366] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   365] exit_group(0 <unfinished ...>
[pid   371] <... futex resumed>)        = 0
[pid   370] close(3 <unfinished ...>
[pid   369] <... openat resumed>)       = 3
[pid   368] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   366] <... futex resumed>)        = ?
[pid   365] <... exit_group resumed>)   = ?
[pid   371] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   370] <... close resumed>)        = 0
[pid   369] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   368] <... futex resumed>)        = 0
[pid   370] write(1, "executing program\n", 18 <unfinished ...>
[pid   368] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   370] <... write resumed>)        = 18
[pid   370] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   370] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   370] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   366] +++ exited with 0 +++
[pid   365] +++ exited with 0 +++
[pid   371] <... openat resumed>)       = 3
[pid   370] <... mmap resumed>)         = 0x7fb4de009000
[pid   369] <... futex resumed>)        = 1
[pid   367] <... futex resumed>)        = 0
[pid   370] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
executing program
[pid   367] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   371] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   370] <... mprotect resumed>)     = 0
[pid   369] write(3, "\x38\x00", 2 <unfinished ...>
[pid   367] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=365, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   371] <... futex resumed>)        = 1
[pid   370] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   369] <... write resumed>)        = 2
[pid   368] <... futex resumed>)        = 0
[pid   367] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   371] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   370] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   369] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   368] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   367] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   371] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   370] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   369] <... futex resumed>)        = 0
[pid   368] <... futex resumed>)        = 0
[pid   367] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   371] write(3, "\x38\x00", 2 <unfinished ...>
[pid   369] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   368] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   367] <... futex resumed>)        = 0
[pid   370] <... clone3 resumed> => {parent_tid=[372]}, 88) = 372
[pid   367] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   370] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   370] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   370] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 372 attached
 <unfinished ...>
[pid   372] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   372] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   372] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid   372] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   370] <... futex resumed>)        = 0
[pid   372] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid   370] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   372] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   370] <... futex resumed>)        = 0
[pid   372] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   370] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   372] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   370] <... futex resumed>)        = 0
[pid   370] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   372] <... futex resumed>)        = 1
[pid   372] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   370] <... futex resumed>)        = 0
[pid   372] <... openat resumed>)       = 3
[pid   370] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   372] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   370] <... futex resumed>)        = 0
[pid   372] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   370] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   372] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   370] <... futex resumed>)        = 0
[pid   372] write(3, "\x38\x00", 2 <unfinished ...>
[pid   370] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   372] <... write resumed>)        = 2
[pid   371] <... write resumed>)        = 2
[pid   369] <... openat resumed>)       = 4
[pid   371] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   369] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   371] <... futex resumed>)        = 1
[pid   369] <... futex resumed>)        = 1
[pid   372] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   368] <... futex resumed>)        = 0
[pid   367] <... futex resumed>)        = 0
[pid   372] <... futex resumed>)        = 1
[pid   371] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   370] <... futex resumed>)        = 0
[pid   369] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   368] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   367] exit_group(0 <unfinished ...>
[pid   372] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   371] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   370] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   368] <... futex resumed>)        = 0
[pid   367] <... exit_group resumed>)   = ?
[pid   372] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   371] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   370] <... futex resumed>)        = 0
[pid   369] <... futex resumed>)        = ?
[pid   368] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   372] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   370] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   372] <... openat resumed>)       = 4
[pid   371] <... openat resumed>)       = 4
[pid   372] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   370] <... futex resumed>)        = 0
[pid   372] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   370] exit_group(0 <unfinished ...>
[pid   372] <... futex resumed>)        = ?
[pid   370] <... exit_group resumed>)   = ?
[pid   372] +++ exited with 0 +++
[pid   369] +++ exited with 0 +++
[pid   367] +++ exited with 0 +++
[pid   371] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   370] +++ exited with 0 +++
[pid   368] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=367, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   371] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   368] exit_group(0 <unfinished ...>
[pid   371] <... futex resumed>)        = ?
[pid   368] <... exit_group resumed>)   = ?
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   371] +++ exited with 0 +++
[pid   368] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=370, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=368, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 373 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 374 attached
 <unfinished ...>
[pid   374] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   373] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   374] <... set_robust_list resumed>) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 373
[pid   373] <... set_robust_list resumed>) = 0
[pid   374] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   373] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   374] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   373] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   374] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   373] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-6-12-rust/strace-static-x86_64: Process 375 attached
 <unfinished ...>
[pid   375] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   373] <... prctl resumed>)        = 0
[pid   374] <... prctl resumed>)        = 0
[pid   373] setpgid(0, 0 <unfinished ...>
[pid   374] setpgid(0, 0 <unfinished ...>
[pid   373] <... setpgid resumed>)      = 0
[pid   374] <... setpgid resumed>)      = 0
[pid   375] <... set_robust_list resumed>) = 0
[pid   373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   375] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 376 attached
 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 374
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 375
[pid   376] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   375] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   373] <... openat resumed>)       = 3
[pid   374] <... openat resumed>)       = 3
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 376
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   376] <... set_robust_list resumed>) = 0
[pid   375] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   375] <... prctl resumed>)        = 0
[pid   373] write(3, "1000", 4 <unfinished ...>
[pid   374] write(3, "1000", 4 <unfinished ...>
[pid   376] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   375] setpgid(0, 0 <unfinished ...>
[pid   373] <... write resumed>)        = 4
[pid   374] <... write resumed>)        = 4
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   376] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   375] <... setpgid resumed>)      = 0
[pid   373] close(3 <unfinished ...>
[pid   374] close(3 <unfinished ...>
[pid   376] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   373] <... close resumed>)        = 0
[pid   374] <... close resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   376] <... prctl resumed>)        = 0
[pid   375] <... openat resumed>)       = 3
[pid   373] write(1, "executing program\n", 18 <unfinished ...>
[pid   374] write(1, "executing program\n", 18 <unfinished ...>
[pid   376] setpgid(0, 0 <unfinished ...>
[pid   373] <... write resumed>)        = 18
[pid   376] <... setpgid resumed>)      = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid   376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   375] write(3, "1000", 4 <unfinished ...>
[pid   373] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   374] <... write resumed>)        = 18
[pid   376] <... openat resumed>)       = 3
[pid   375] <... write resumed>)        = 4
executing program
[pid   373] <... futex resumed>)        = 0
[pid   374] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   375] close(3 <unfinished ...>
[pid   373] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   374] <... futex resumed>)        = 0
[pid   375] <... close resumed>)        = 0
[pid   373] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   374] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   375] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   373] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   374] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   375] <... write resumed>)        = 18
[pid   375] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   373] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   374] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   375] <... futex resumed>)        = 0
[pid   373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   374] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   375] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   373] <... mmap resumed>)         = 0x7fb4de009000
[pid   374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   375] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   373] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   374] <... mmap resumed>)         = 0x7fb4de009000
[pid   376] write(3, "1000", 4 <unfinished ...>
[pid   375] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   376] <... write resumed>)        = 4
[pid   375] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   373] <... mprotect resumed>)     = 0
[pid   374] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   376] close(3 <unfinished ...>
[pid   375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   373] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   374] <... mprotect resumed>)     = 0
[pid   376] <... close resumed>)        = 0
[pid   375] <... mmap resumed>)         = 0x7fb4de009000
[pid   376] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   375] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   373] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   374] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   376] <... write resumed>)        = 18
[pid   375] <... mprotect resumed>)     = 0
[pid   373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   376] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 377 attached
) = 0
[pid   375] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   374] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   377] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   376] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   375] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   373] <... clone3 resumed> => {parent_tid=[377]}, 88) = 377
[pid   374] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   377] <... set_robust_list resumed>) = 0
[pid   376] <... rt_sigaction resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 378 attached
[pid   377] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   376] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   373] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 379 attached
 <unfinished ...>
[pid   377] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   376] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   373] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   378] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   373] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   378] <... set_robust_list resumed>) = 0
[pid   377] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   378] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   376] <... mmap resumed>)         = 0x7fb4de009000
[pid   379] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   378] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   377] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   376] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   379] <... set_robust_list resumed>) = 0
[pid   377] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   376] <... mprotect resumed>)     = 0
[pid   379] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   378] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   377] <... futex resumed>)        = 0
[pid   376] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   379] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   375] <... clone3 resumed> => {parent_tid=[379]}, 88) = 379
[pid   373] <... futex resumed>)        = 0
[pid   374] <... clone3 resumed> => {parent_tid=[378]}, 88) = 378
[pid   377] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   379] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   376] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   375] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   373] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   374] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   375] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   373] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   374] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   375] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   373] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   374] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   379] <... futex resumed>)        = 0
[pid   375] <... futex resumed>)        = 1
[pid   373] <... futex resumed>)        = 1
[pid   374] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 380 attached
[pid   379] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   378] <... futex resumed>)        = 0
[pid   377] <... futex resumed>)        = 0
[pid   375] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   373] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   374] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   380] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   379] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   378] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   377] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   376] <... clone3 resumed> => {parent_tid=[380]}, 88) = 380
[pid   380] <... set_robust_list resumed>) = 0
[pid   379] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   378] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   380] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   379] <... futex resumed>)        = 1
[pid   375] <... futex resumed>)        = 0
[pid   380] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   379] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   378] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   377] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   376] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   375] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   380] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   379] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   378] <... futex resumed>)        = 1
[pid   375] <... futex resumed>)        = 0
[pid   374] <... futex resumed>)        = 0
[pid   379] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   378] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   377] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   376] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   375] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   374] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   379] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   378] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   377] <... futex resumed>)        = 1
[pid   376] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   373] <... futex resumed>)        = 0
[pid   374] <... futex resumed>)        = 0
[pid   380] <... futex resumed>)        = 0
[pid   379] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   378] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   377] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   376] <... futex resumed>)        = 1
[pid   373] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   374] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   380] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   379] <... futex resumed>)        = 1
[pid   377] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   376] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   375] <... futex resumed>)        = 0
[pid   373] <... futex resumed>)        = 0
[pid   380] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   379] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   378] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   377] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   375] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   373] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   380] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   379] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   377] <... openat resumed>)       = 3
[pid   375] <... futex resumed>)        = 0
[pid   380] <... futex resumed>)        = 1
[pid   379] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   378] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   377] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   376] <... futex resumed>)        = 0
[pid   375] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   380] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   379] <... openat resumed>)       = 3
[pid   378] <... futex resumed>)        = 1
[pid   377] <... futex resumed>)        = 1
[pid   376] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   373] <... futex resumed>)        = 0
[pid   374] <... futex resumed>)        = 0
[pid   380] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   379] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   378] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   377] write(3, "\x38\x00", 2 <unfinished ...>
[pid   376] <... futex resumed>)        = 0
[pid   373] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   374] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   380] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   379] <... futex resumed>)        = 1
[pid   378] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   377] <... write resumed>)        = 2
[pid   376] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   375] <... futex resumed>)        = 0
[pid   373] <... futex resumed>)        = 0
[pid   374] <... futex resumed>)        = 0
[pid   380] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   379] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   375] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   373] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   374] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   380] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   379] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   375] <... futex resumed>)        = 0
[pid   380] <... futex resumed>)        = 1
[pid   379] write(3, "\x38\x00", 2 <unfinished ...>
[pid   378] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   377] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   376] <... futex resumed>)        = 0
[pid   375] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   380] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   379] <... write resumed>)        = 2
[pid   378] <... openat resumed>)       = 3
[pid   377] <... futex resumed>)        = 1
[pid   376] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   373] <... futex resumed>)        = 0
[pid   380] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   379] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   373] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   380] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   379] <... futex resumed>)        = 1
[pid   377] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   376] <... futex resumed>)        = 0
[pid   375] <... futex resumed>)        = 0
[pid   378] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   373] <... futex resumed>)        = 0
[pid   380] <... openat resumed>)       = 3
[pid   379] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   378] <... futex resumed>)        = 1
[pid   377] <... openat resumed>)       = 4
[pid   376] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   375] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   373] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   374] <... futex resumed>)        = 0
[pid   380] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   379] <... openat resumed>)       = 4
[pid   378] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   377] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   376] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   375] <... futex resumed>)        = 0
[pid   373] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   374] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   380] <... futex resumed>)        = 0
[pid   379] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   378] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   377] <... futex resumed>)        = 0
[pid   376] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   375] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   373] exit_group(0 <unfinished ...>
[pid   374] <... futex resumed>)        = 0
[pid   380] write(3, "\x38\x00", 2 <unfinished ...>
[pid   379] <... futex resumed>)        = 0
[pid   378] write(3, "\x38\x00", 2 <unfinished ...>
[pid   376] <... futex resumed>)        = 0
[pid   375] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   373] <... exit_group resumed>)   = ?
[pid   374] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   380] <... write resumed>)        = 2
[pid   379] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   378] <... write resumed>)        = 2
[pid   377] +++ exited with 0 +++
[pid   376] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   375] exit_group(0 <unfinished ...>
[pid   373] +++ exited with 0 +++
[pid   380] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   379] <... futex resumed>)        = ?
[pid   378] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   376] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   375] <... exit_group resumed>)   = ?
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=373, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   380] <... futex resumed>)        = 0
[pid   379] +++ exited with 0 +++
[pid   378] <... futex resumed>)        = 1
[pid   376] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   375] +++ exited with 0 +++
[pid   374] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   380] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   378] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   376] <... futex resumed>)        = 0
[pid   374] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   380] <... openat resumed>)       = 4
[pid   374] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=375, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   374] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   380] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   380] <... futex resumed>)        = 0
[pid   378] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   376] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   380] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   378] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   376] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   378] <... openat resumed>)       = 4
[pid   376] exit_group(0 <unfinished ...>
[pid   378] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   376] <... exit_group resumed>)   = ?
[pid   378] <... futex resumed>)        = 1
[pid   380] <... futex resumed>)        = ?
[pid   378] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   374] <... futex resumed>)        = 0
[pid   374] exit_group(0)               = ?
[pid   378] <... futex resumed>)        = ?
[pid   380] +++ exited with 0 +++
[pid   378] +++ exited with 0 +++
[pid   376] +++ exited with 0 +++
[pid   374] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=374, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=376, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 381 attached
 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   381] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   381] <... set_robust_list resumed>) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   381] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 383 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 382 attached
 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 381
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   383] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   382] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   381] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   383] <... set_robust_list resumed>) = 0
[pid   382] <... set_robust_list resumed>) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 383
ci2-android-6-12-rust/strace-static-x86_64: Process 384 attached
[pid   383] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   382] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   381] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 384
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 382
[pid   384] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   383] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   382] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   381] <... prctl resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   384] <... set_robust_list resumed>) = 0
[pid   383] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   382] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   381] setpgid(0, 0 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   384] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   381] <... setpgid resumed>)      = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   384] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   383] <... prctl resumed>)        = 0
[pid   382] <... prctl resumed>)        = 0
[pid   381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   384] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   383] setpgid(0, 0 <unfinished ...>
[pid   382] setpgid(0, 0 <unfinished ...>
[pid   384] <... prctl resumed>)        = 0
[pid   383] <... setpgid resumed>)      = 0
[pid   382] <... setpgid resumed>)      = 0
[pid   383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   381] <... openat resumed>)       = 3
[pid   384] setpgid(0, 0 <unfinished ...>
[pid   383] <... openat resumed>)       = 3
[pid   382] <... openat resumed>)       = 3
[pid   382] write(3, "1000", 4)         = 4
[pid   384] <... setpgid resumed>)      = 0
[pid   381] write(3, "1000", 4 <unfinished ...>
[pid   383] write(3, "1000", 4 <unfinished ...>
[pid   382] close(3 <unfinished ...>
[pid   384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   383] <... write resumed>)        = 4
[pid   382] <... close resumed>)        = 0
[pid   381] <... write resumed>)        = 4
[pid   383] close(3 <unfinished ...>
[pid   382] write(1, "executing program\n", 18 <unfinished ...>
[pid   384] <... openat resumed>)       = 3
[pid   383] <... close resumed>)        = 0
[pid   382] <... write resumed>)        = 18
[pid   381] close(3 <unfinished ...>
executing program
[pid   384] write(3, "1000", 4 <unfinished ...>
[pid   383] write(1, "executing program\n", 18 <unfinished ...>
[pid   382] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   384] <... write resumed>)        = 4
[pid   383] <... write resumed>)        = 18
[pid   381] <... close resumed>)        = 0
[pid   384] close(3 <unfinished ...>
[pid   381] write(1, "executing program\n", 18 <unfinished ...>
[pid   384] <... close resumed>)        = 0
executing program
executing program
[pid   381] <... write resumed>)        = 18
[pid   383] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   382] <... futex resumed>)        = 0
[pid   381] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   383] <... futex resumed>)        = 0
[pid   382] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   383] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   382] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   383] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   382] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   383] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   382] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   383] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   382] <... mmap resumed>)         = 0x7fb4de009000
[pid   383] <... mmap resumed>)         = 0x7fb4de009000
[pid   382] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   383] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   382] <... mprotect resumed>)     = 0
[pid   383] <... mprotect resumed>)     = 0
[pid   383] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   382] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   383] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   383] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   384] write(1, "executing program\n", 18 <unfinished ...>
[pid   382] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   381] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 385 attached
[pid   384] <... write resumed>)        = 18
[pid   382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   383] <... clone3 resumed> => {parent_tid=[385]}, 88) = 385
executing program
[pid   381] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   384] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   385] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   384] <... futex resumed>)        = 0
[pid   381] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   385] <... set_robust_list resumed>) = 0
[pid   384] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   381] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   385] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   384] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   381] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   385] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   384] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   384] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 386 attached
[pid   385] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   383] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   382] <... clone3 resumed> => {parent_tid=[386]}, 88) = 386
[pid   381] <... mmap resumed>)         = 0x7fb4de009000
[pid   386] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   384] <... mmap resumed>)         = 0x7fb4de009000
[pid   383] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   382] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   386] <... set_robust_list resumed>) = 0
[pid   384] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   383] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   382] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   381] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   386] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   385] <... futex resumed>)        = 0
[pid   384] <... mprotect resumed>)     = 0
[pid   383] <... futex resumed>)        = 1
[pid   382] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   386] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   385] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   383] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   382] <... futex resumed>)        = 0
[pid   381] <... mprotect resumed>)     = 0
[pid   386] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   385] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   384] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   382] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   386] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   385] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   384] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   381] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   386] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   385] <... futex resumed>)        = 1
[pid   384] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   383] <... futex resumed>)        = 0
[pid   381] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   386] <... futex resumed>)        = 1
[pid   385] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   383] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   382] <... futex resumed>)        = 0
[pid   381] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   386] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   385] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   383] <... futex resumed>)        = 0
[pid   382] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   386] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   383] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   382] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 387 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 388 attached
[pid   386] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   385] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   382] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   387] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   388] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   386] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   387] <... set_robust_list resumed>) = 0
[pid   388] <... set_robust_list resumed>) = 0
[pid   385] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   384] <... clone3 resumed> => {parent_tid=[387]}, 88) = 387
[pid   381] <... clone3 resumed> => {parent_tid=[388]}, 88) = 388
[pid   387] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   386] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   385] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   384] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   381] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   387] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   388] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   386] <... futex resumed>)        = 1
[pid   383] <... futex resumed>)        = 0
[pid   382] <... futex resumed>)        = 0
[pid   387] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   388] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   386] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   385] <... futex resumed>)        = 1
[pid   384] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   383] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   382] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   381] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   388] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   386] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   383] <... futex resumed>)        = 0
[pid   382] <... futex resumed>)        = 0
[pid   384] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   381] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   387] <... futex resumed>)        = 0
[pid   388] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   386] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   385] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   384] <... futex resumed>)        = 1
[pid   383] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   382] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   381] <... futex resumed>)        = 0
[pid   387] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   388] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   386] <... openat resumed>)       = 3
[pid   385] <... openat resumed>)       = 3
[pid   384] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   381] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   387] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   388] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   386] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   385] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   387] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   388] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   386] <... futex resumed>)        = 1
[pid   385] <... futex resumed>)        = 1
[pid   383] <... futex resumed>)        = 0
[pid   382] <... futex resumed>)        = 0
[pid   387] <... futex resumed>)        = 1
[pid   388] <... futex resumed>)        = 1
[pid   386] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   385] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   384] <... futex resumed>)        = 0
[pid   383] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   382] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   381] <... futex resumed>)        = 0
[pid   388] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   386] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   385] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   384] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   383] <... futex resumed>)        = 0
[pid   382] <... futex resumed>)        = 0
[pid   387] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   388] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   386] write(3, "\x38\x00", 2 <unfinished ...>
[pid   385] write(3, "\x38\x00", 2 <unfinished ...>
[pid   384] <... futex resumed>)        = 0
[pid   383] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   382] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   381] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   388] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   386] <... write resumed>)        = 2
[pid   385] <... write resumed>)        = 2
[pid   384] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   381] <... futex resumed>)        = 0
[pid   387] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   388] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   386] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   381] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   385] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   387] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   388] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   386] <... futex resumed>)        = 1
[pid   385] <... futex resumed>)        = 1
[pid   383] <... futex resumed>)        = 0
[pid   382] <... futex resumed>)        = 0
[pid   387] <... futex resumed>)        = 1
[pid   388] <... futex resumed>)        = 1
[pid   386] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   385] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   384] <... futex resumed>)        = 0
[pid   383] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   382] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   381] <... futex resumed>)        = 0
[pid   388] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   386] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   385] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   383] <... futex resumed>)        = 0
[pid   382] <... futex resumed>)        = 0
[pid   387] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   386] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   385] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   384] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   383] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   382] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   381] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   387] <... openat resumed>)       = 3
[pid   386] <... openat resumed>)       = 4
[pid   385] <... openat resumed>)       = 4
[pid   384] <... futex resumed>)        = 0
[pid   387] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   388] <... futex resumed>)        = 0
[pid   385] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   381] <... futex resumed>)        = 1
[pid   387] <... futex resumed>)        = 0
[pid   384] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   381] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   387] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   388] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   386] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   385] <... futex resumed>)        = 1
[pid   384] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   383] <... futex resumed>)        = 0
[pid   388] <... openat resumed>)       = 3
[pid   386] <... futex resumed>)        = 1
[pid   385] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   384] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   383] exit_group(0 <unfinished ...>
[pid   382] <... futex resumed>)        = 0
[pid   387] <... futex resumed>)        = 0
[pid   388] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   386] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   385] <... futex resumed>)        = ?
[pid   384] <... futex resumed>)        = 1
[pid   383] <... exit_group resumed>)   = ?
[pid   382] exit_group(0 <unfinished ...>
[pid   387] write(3, "\x38\x00", 2 <unfinished ...>
[pid   388] <... futex resumed>)        = 1
[pid   386] <... futex resumed>)        = ?
[pid   385] +++ exited with 0 +++
[pid   384] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   383] +++ exited with 0 +++
[pid   382] <... exit_group resumed>)   = ?
[pid   381] <... futex resumed>)        = 0
[pid   387] <... write resumed>)        = 2
[pid   388] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   386] +++ exited with 0 +++
[pid   382] +++ exited with 0 +++
[pid   381] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=383, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   387] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   388] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   381] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   387] <... futex resumed>)        = 1
[pid   388] write(3, "\x38\x00", 2 <unfinished ...>
[pid   384] <... futex resumed>)        = 0
[pid   381] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=382, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   387] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   384] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   387] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   384] <... futex resumed>)        = 0
[pid   387] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   384] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   388] <... write resumed>)        = 2
[pid   388] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   381] <... futex resumed>)        = 0
[pid   388] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   381] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   388] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   381] <... futex resumed>)        = 0
[pid   388] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   381] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   387] <... openat resumed>)       = 4
[pid   388] <... openat resumed>)       = 4
[pid   387] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   388] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   387] <... futex resumed>)        = 1
[pid   388] <... futex resumed>)        = 1
[pid   384] <... futex resumed>)        = 0
[pid   381] <... futex resumed>)        = 0
[pid   387] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   388] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   384] exit_group(0 <unfinished ...>
[pid   381] exit_group(0 <unfinished ...>
[pid   388] <... futex resumed>)        = ?
[pid   381] <... exit_group resumed>)   = ?
[pid   387] <... futex resumed>)        = ?
[pid   388] +++ exited with 0 +++
[pid   384] <... exit_group resumed>)   = ?
[pid   381] +++ exited with 0 +++
[pid   387] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=381, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   384] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=384, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 389 attached
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 391 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 390 attached
 <unfinished ...>
[pid   389] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   389] <... set_robust_list resumed>) = 0
[pid   390] set_robust_list(0x55557716c6a0, 24) = 0
[pid   391] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   390] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   389] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 389
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 390
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 391
[pid   391] <... set_robust_list resumed>) = 0
[pid   389] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   391] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   390] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   390] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   391] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   390] <... prctl resumed>)        = 0
[pid   389] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 392 attached
[pid   391] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   390] setpgid(0, 0 <unfinished ...>
[pid   389] <... prctl resumed>)        = 0
[pid   391] <... prctl resumed>)        = 0
[pid   392] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   390] <... setpgid resumed>)      = 0
[pid   389] setpgid(0, 0 <unfinished ...>
[pid   392] <... set_robust_list resumed>) = 0
[pid   391] setpgid(0, 0 <unfinished ...>
[pid   390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   389] <... setpgid resumed>)      = 0
[pid   392] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   391] <... setpgid resumed>)      = 0
[pid   389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 392
[pid   391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   390] <... openat resumed>)       = 3
[pid   389] <... openat resumed>)       = 3
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   392] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   391] <... openat resumed>)       = 3
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   391] write(3, "1000", 4 <unfinished ...>
[pid   389] write(3, "1000", 4 <unfinished ...>
[pid   392] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   391] <... write resumed>)        = 4
[pid   389] <... write resumed>)        = 4
[pid   392] <... prctl resumed>)        = 0
[pid   391] close(3 <unfinished ...>
[pid   390] write(3, "1000", 4 <unfinished ...>
[pid   389] close(3 <unfinished ...>
[pid   392] setpgid(0, 0 <unfinished ...>
[pid   391] <... close resumed>)        = 0
[pid   389] <... close resumed>)        = 0
[pid   392] <... setpgid resumed>)      = 0
[pid   390] <... write resumed>)        = 4
[pid   391] write(1, "executing program\n", 18 <unfinished ...>
executing program
executing program
[pid   389] write(1, "executing program\n", 18 <unfinished ...>
[pid   392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   391] <... write resumed>)        = 18
[pid   390] close(3 <unfinished ...>
[pid   389] <... write resumed>)        = 18
[pid   391] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   390] <... close resumed>)        = 0
[pid   389] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   390] write(1, "executing program\n", 18 <unfinished ...>
[pid   392] <... openat resumed>)       = 3
[pid   390] <... write resumed>)        = 18
[pid   391] <... futex resumed>)        = 0
executing program
[pid   390] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   389] <... futex resumed>)        = 0
[pid   392] write(3, "1000", 4 <unfinished ...>
[pid   391] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   390] <... futex resumed>)        = 0
[pid   389] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   391] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   389] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   391] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   389] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   391] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   389] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   392] <... write resumed>)        = 4
[pid   391] <... mmap resumed>)         = 0x7fb4de009000
[pid   390] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   389] <... mmap resumed>)         = 0x7fb4de009000
[pid   392] close(3 <unfinished ...>
[pid   391] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   390] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   389] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   392] <... close resumed>)        = 0
[pid   391] <... mprotect resumed>)     = 0
[pid   390] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   389] <... mprotect resumed>)     = 0
[pid   392] write(1, "executing program\n", 18 <unfinished ...>
[pid   390] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   392] <... write resumed>)        = 18
[pid   390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
executing program
[pid   392] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   391] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   390] <... mmap resumed>)         = 0x7fb4de009000
[pid   389] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   391] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   389] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   392] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   390] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   389] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 394 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 393 attached
 <unfinished ...>
[pid   392] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   390] <... mprotect resumed>)     = 0
[pid   392] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   394] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   392] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   391] <... clone3 resumed> => {parent_tid=[393]}, 88) = 393
[pid   390] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   394] <... set_robust_list resumed>) = 0
[pid   393] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   391] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   389] <... clone3 resumed> => {parent_tid=[394]}, 88) = 394
[pid   394] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   393] <... set_robust_list resumed>) = 0
[pid   392] <... mmap resumed>)         = 0x7fb4de009000
[pid   391] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   390] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   389] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   394] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   393] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   392] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   391] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   390] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   389] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   394] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   393] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   392] <... mprotect resumed>)     = 0
[pid   391] <... futex resumed>)        = 0
[pid   389] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 395 attached
 <unfinished ...>
[pid   394] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   393] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   392] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   391] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   389] <... futex resumed>)        = 0
[pid   395] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   394] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   393] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   392] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   390] <... clone3 resumed> => {parent_tid=[395]}, 88) = 395
[pid   389] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   395] <... set_robust_list resumed>) = 0
[pid   394] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   395] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   394] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   395] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   394] <... futex resumed>)        = 1
[pid   389] <... futex resumed>)        = 0
[pid   395] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   394] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   393] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   392] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   390] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   389] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   394] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   393] <... futex resumed>)        = 1
[pid   391] <... futex resumed>)        = 0
[pid   389] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 396 attached
[pid   394] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   393] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   391] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   390] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   389] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   396] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   394] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   393] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   392] <... clone3 resumed> => {parent_tid=[396]}, 88) = 396
[pid   391] <... futex resumed>)        = 0
[pid   390] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   393] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   392] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   390] <... futex resumed>)        = 1
[pid   396] <... set_robust_list resumed>) = 0
[pid   395] <... futex resumed>)        = 0
[pid   394] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   393] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   392] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   391] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   390] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   396] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   395] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   394] <... futex resumed>)        = 1
[pid   393] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   392] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   391] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   389] <... futex resumed>)        = 0
[pid   396] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   395] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   394] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   393] <... futex resumed>)        = 0
[pid   392] <... futex resumed>)        = 0
[pid   391] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   389] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   396] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   395] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   394] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   393] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   392] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   391] <... futex resumed>)        = 0
[pid   389] <... futex resumed>)        = 0
[pid   396] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   395] <... futex resumed>)        = 1
[pid   394] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   391] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   390] <... futex resumed>)        = 0
[pid   389] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   396] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   395] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   394] <... openat resumed>)       = 3
[pid   393] <... openat resumed>)       = 3
[pid   390] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   393] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   392] <... futex resumed>)        = 0
[pid   390] <... futex resumed>)        = 0
[pid   396] <... futex resumed>)        = 1
[pid   393] <... futex resumed>)        = 1
[pid   392] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   390] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   396] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   393] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   392] <... futex resumed>)        = 0
[pid   396] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   395] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   394] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   392] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   391] <... futex resumed>)        = 0
[pid   395] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   394] <... futex resumed>)        = 1
[pid   391] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   389] <... futex resumed>)        = 0
[pid   396] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   395] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   394] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   393] <... futex resumed>)        = 0
[pid   391] <... futex resumed>)        = 1
[pid   389] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   396] <... futex resumed>)        = 1
[pid   395] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   394] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   392] <... futex resumed>)        = 0
[pid   391] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   389] <... futex resumed>)        = 0
[pid   393] write(3, "\x38\x00", 2 <unfinished ...>
[pid   396] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   395] <... futex resumed>)        = 1
[pid   394] write(3, "\x38\x00", 2 <unfinished ...>
[pid   393] <... write resumed>)        = 2
[pid   392] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   390] <... futex resumed>)        = 0
[pid   389] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   396] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   395] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   394] <... write resumed>)        = 2
[pid   393] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   392] <... futex resumed>)        = 0
[pid   390] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   396] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   395] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   394] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   393] <... futex resumed>)        = 1
[pid   392] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   391] <... futex resumed>)        = 0
[pid   390] <... futex resumed>)        = 0
[pid   396] <... openat resumed>)       = 3
[pid   395] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   394] <... futex resumed>)        = 1
[pid   393] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   391] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   390] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   389] <... futex resumed>)        = 0
[pid   396] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   395] <... openat resumed>)       = 3
[pid   394] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   393] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   391] <... futex resumed>)        = 0
[pid   389] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   396] <... futex resumed>)        = 1
[pid   395] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   394] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   393] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   392] <... futex resumed>)        = 0
[pid   391] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   390] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   389] <... futex resumed>)        = 0
[pid   396] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   395] <... futex resumed>)        = 0
[pid   394] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   390] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   389] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   396] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   395] write(3, "\x38\x00", 2 <unfinished ...>
[pid   394] <... openat resumed>)       = 4
[pid   392] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   395] <... write resumed>)        = 2
[pid   394] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   392] <... futex resumed>)        = 0
[pid   390] <... futex resumed>)        = 0
[pid   395] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   394] <... futex resumed>)        = 1
[pid   392] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   390] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   389] <... futex resumed>)        = 0
[pid   396] write(3, "\x38\x00", 2 <unfinished ...>
[pid   395] <... futex resumed>)        = 0
[pid   394] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   393] <... openat resumed>)       = 4
[pid   390] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   389] exit_group(0 <unfinished ...>
[pid   396] <... write resumed>)        = 2
[pid   395] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   394] <... futex resumed>)        = ?
[pid   393] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   390] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   389] <... exit_group resumed>)   = ?
[pid   396] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   395] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   394] +++ exited with 0 +++
[pid   393] <... futex resumed>)        = 1
[pid   391] <... futex resumed>)        = 0
[pid   390] <... futex resumed>)        = 0
[pid   389] +++ exited with 0 +++
[pid   396] <... futex resumed>)        = 1
[pid   395] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   393] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   392] <... futex resumed>)        = 0
[pid   391] exit_group(0 <unfinished ...>
[pid   390] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   396] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   395] <... openat resumed>)       = 4
[pid   393] <... futex resumed>)        = ?
[pid   392] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   391] <... exit_group resumed>)   = ?
[pid   396] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   395] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   393] +++ exited with 0 +++
[pid   392] <... futex resumed>)        = 0
[pid   391] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=389, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   396] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   392] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   396] <... openat resumed>)       = 4
[pid   395] <... futex resumed>)        = 1
[pid   390] <... futex resumed>)        = 0
[pid   395] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   390] exit_group(0 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=391, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   396] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   395] <... futex resumed>)        = ?
[pid   390] <... exit_group resumed>)   = ?
[pid   396] <... futex resumed>)        = 1
[pid   395] +++ exited with 0 +++
[pid   392] <... futex resumed>)        = 0
[pid   390] +++ exited with 0 +++
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   396] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   392] exit_group(0 <unfinished ...>
[pid   396] <... futex resumed>)        = ?
[pid   392] <... exit_group resumed>)   = ?
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=390, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   396] +++ exited with 0 +++
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   392] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=392, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 397 attached
 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   397] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 398 attached
, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 397
ci2-android-6-12-rust/strace-static-x86_64: Process 400 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 399 attached
[pid   398] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   397] <... set_robust_list resumed>) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 398
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   397] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   400] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   397] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   398] <... set_robust_list resumed>) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 400
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   399] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   398] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   397] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 399
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   400] <... set_robust_list resumed>) = 0
[pid   399] <... set_robust_list resumed>) = 0
[pid   398] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   397] <... prctl resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   400] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   399] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   398] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   397] setpgid(0, 0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   400] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   399] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   398] <... prctl resumed>)        = 0
[pid   398] setpgid(0, 0 <unfinished ...>
[pid   397] <... setpgid resumed>)      = 0
[pid   400] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   398] <... setpgid resumed>)      = 0
[pid   400] <... prctl resumed>)        = 0
[pid   399] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   400] setpgid(0, 0 <unfinished ...>
[pid   399] <... prctl resumed>)        = 0
[pid   398] <... openat resumed>)       = 3
[pid   398] write(3, "1000", 4)         = 4
[pid   400] <... setpgid resumed>)      = 0
[pid   398] close(3 <unfinished ...>
[pid   399] setpgid(0, 0)               = 0
[pid   398] <... close resumed>)        = 0
[pid   400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   397] <... openat resumed>)       = 3
executing program
[pid   398] write(1, "executing program\n", 18 <unfinished ...>
[pid   399] <... openat resumed>)       = 3
[pid   398] <... write resumed>)        = 18
[pid   397] write(3, "1000", 4 <unfinished ...>
[pid   400] <... openat resumed>)       = 3
[pid   399] write(3, "1000", 4 <unfinished ...>
[pid   398] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   400] write(3, "1000", 4 <unfinished ...>
[pid   397] <... write resumed>)        = 4
[pid   400] <... write resumed>)        = 4
[pid   399] <... write resumed>)        = 4
[pid   398] <... futex resumed>)        = 0
[pid   397] close(3 <unfinished ...>
[pid   400] close(3 <unfinished ...>
[pid   398] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   398] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   399] close(3 <unfinished ...>
[pid   398] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   400] <... close resumed>)        = 0
[pid   399] <... close resumed>)        = 0
[pid   398] <... mprotect resumed>)     = 0
[pid   397] <... close resumed>)        = 0
executing program
[pid   400] write(1, "executing program\n", 18) = 18
[pid   399] write(1, "executing program\n", 18 <unfinished ...>
[pid   397] write(1, "executing program\n", 18 <unfinished ...>
[pid   400] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   399] <... write resumed>)        = 18
[pid   397] <... write resumed>)        = 18
[pid   400] <... futex resumed>)        = 0
[pid   397] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
executing program
[pid   400] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   399] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   397] <... futex resumed>)        = 0
[pid   400] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   399] <... futex resumed>)        = 0
[pid   400] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   397] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   400] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   399] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   400] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   398] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   399] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   397] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   400] <... mmap resumed>)         = 0x7fb4de009000
[pid   399] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   398] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   400] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   399] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   398] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   397] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   400] <... mprotect resumed>)     = 0
[pid   399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   397] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   399] <... mmap resumed>)         = 0x7fb4de009000
[pid   398] <... clone3 resumed> => {parent_tid=[401]}, 88) = 401
[pid   397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 401 attached
 <unfinished ...>
[pid   399] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   398] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   399] <... mprotect resumed>)     = 0
[pid   398] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   397] <... mmap resumed>)         = 0x7fb4de009000
[pid   401] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   398] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   397] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   400] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   399] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   398] <... futex resumed>)        = 0
[pid   401] <... set_robust_list resumed>) = 0
[pid   400] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   399] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   398] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   397] <... mprotect resumed>)     = 0
[pid   401] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   400] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   399] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 402 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 403 attached
 <unfinished ...>
[pid   401] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   397] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   401] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   403] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   402] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   401] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   400] <... clone3 resumed> => {parent_tid=[402]}, 88) = 402
[pid   397] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   403] <... set_robust_list resumed>) = 0
[pid   402] <... set_robust_list resumed>) = 0
[pid   397] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   403] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   402] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   403] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   402] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   401] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   400] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   399] <... clone3 resumed> => {parent_tid=[403]}, 88) = 403
[pid   403] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   402] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   401] <... futex resumed>)        = 1
[pid   400] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   399] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   398] <... futex resumed>)        = 0
[pid   401] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   400] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   399] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   398] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   401] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   400] <... futex resumed>)        = 0
[pid   399] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   398] <... futex resumed>)        = 0
[pid   401] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   400] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   399] <... futex resumed>)        = 0
[pid   398] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 404 attached
 <unfinished ...>
[pid   403] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   402] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   401] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   399] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   403] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   401] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   402] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   398] <... futex resumed>)        = 0
[pid   397] <... clone3 resumed> => {parent_tid=[404]}, 88) = 404
[pid   404] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   403] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   402] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   401] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   398] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   397] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   404] <... set_robust_list resumed>) = 0
[pid   403] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   402] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   401] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   398] <... futex resumed>)        = 0
[pid   397] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   404] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   403] <... futex resumed>)        = 1
[pid   402] <... futex resumed>)        = 1
[pid   401] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   400] <... futex resumed>)        = 0
[pid   399] <... futex resumed>)        = 0
[pid   398] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   397] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   404] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   403] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   402] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   401] <... openat resumed>)       = 3
[pid   400] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   399] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   397] <... futex resumed>)        = 0
[pid   402] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   400] <... futex resumed>)        = 0
[pid   402] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   401] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   400] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   399] <... futex resumed>)        = 0
[pid   397] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   403] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   401] <... futex resumed>)        = 1
[pid   399] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   398] <... futex resumed>)        = 0
[pid   403] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   401] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   398] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   401] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   398] <... futex resumed>)        = 0
[pid   403] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   401] write(3, "\x38\x00", 2 <unfinished ...>
[pid   402] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   398] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   404] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   403] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   402] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   401] <... write resumed>)        = 2
[pid   404] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   403] <... futex resumed>)        = 1
[pid   402] <... futex resumed>)        = 1
[pid   400] <... futex resumed>)        = 0
[pid   399] <... futex resumed>)        = 0
[pid   402] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   401] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   400] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   399] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   401] <... futex resumed>)        = 1
[pid   400] <... futex resumed>)        = 0
[pid   399] <... futex resumed>)        = 0
[pid   398] <... futex resumed>)        = 0
[pid   401] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   400] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   399] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   398] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   401] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   398] <... futex resumed>)        = 0
[pid   401] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   398] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   404] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   403] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   402] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   401] <... openat resumed>)       = 4
[pid   404] <... futex resumed>)        = 1
[pid   403] <... openat resumed>)       = 3
[pid   402] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   397] <... futex resumed>)        = 0
[pid   404] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   403] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   404] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   397] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   404] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   403] <... futex resumed>)        = 1
[pid   402] <... openat resumed>)       = 3
[pid   397] <... futex resumed>)        = 0
[pid   401] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   399] <... futex resumed>)        = 0
[pid   404] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   403] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   402] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   401] <... futex resumed>)        = 1
[pid   399] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   398] <... futex resumed>)        = 0
[pid   397] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   404] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   403] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   402] <... futex resumed>)        = 1
[pid   401] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   400] <... futex resumed>)        = 0
[pid   399] <... futex resumed>)        = 0
[pid   398] exit_group(0 <unfinished ...>
[pid   403] write(3, "\x38\x00", 2 <unfinished ...>
[pid   402] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   401] <... futex resumed>)        = ?
[pid   400] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   399] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   398] <... exit_group resumed>)   = ?
[pid   397] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   404] <... futex resumed>)        = 0
[pid   403] <... write resumed>)        = 2
[pid   402] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   401] +++ exited with 0 +++
[pid   400] <... futex resumed>)        = 0
[pid   397] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   403] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   402] write(3, "\x38\x00", 2 <unfinished ...>
[pid   404] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   403] <... futex resumed>)        = 1
[pid   400] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   399] <... futex resumed>)        = 0
[pid   398] +++ exited with 0 +++
[pid   397] <... futex resumed>)        = 0
[pid   402] <... write resumed>)        = 2
[pid   403] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   402] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   399] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   397] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   404] <... openat resumed>)       = 3
[pid   403] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   402] <... futex resumed>)        = 1
[pid   400] <... futex resumed>)        = 0
[pid   399] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=398, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   404] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   403] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   400] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   399] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   404] <... futex resumed>)        = 1
[pid   402] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   400] <... futex resumed>)        = 0
[pid   397] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   400] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   397] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   402] <... openat resumed>)       = 4
[pid   397] <... futex resumed>)        = 0
[pid   403] <... openat resumed>)       = 4
[pid   397] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   404] write(3, "\x38\x00", 2 <unfinished ...>
[pid   403] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   404] <... write resumed>)        = 2
[pid   402] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   404] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   403] <... futex resumed>)        = 1
[pid   402] <... futex resumed>)        = 1
[pid   400] <... futex resumed>)        = 0
[pid   399] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   404] <... futex resumed>)        = 1
[pid   403] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   402] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   400] exit_group(0 <unfinished ...>
[pid   399] exit_group(0 <unfinished ...>
[pid   397] <... futex resumed>)        = 0
[pid   403] <... futex resumed>)        = ?
[pid   399] <... exit_group resumed>)   = ?
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   397] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   404] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   403] +++ exited with 0 +++
[pid   402] <... futex resumed>)        = ?
[pid   400] <... exit_group resumed>)   = ?
[pid   399] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=399, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   397] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 405 attached
[pid   404] <... openat resumed>)       = 4
[pid   397] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   405] set_robust_list(0x55557716c6a0, 24) = 0
[pid   405] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   405] setpgid(0, 0)               = 0
[pid   405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   405] write(3, "1000", 4)         = 4
[pid   405] close(3)                    = 0
[pid   405] write(1, "executing program\n", 18 <unfinished ...>
[pid   402] +++ exited with 0 +++
[pid   400] +++ exited with 0 +++
[pid   404] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   405] <... write resumed>)        = 18
[pid   404] <... futex resumed>)        = 1
[pid   397] <... futex resumed>)        = 0
executing program
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 405
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=400, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   405] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   404] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   397] exit_group(0 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   405] <... futex resumed>)        = 0
[pid   397] <... exit_group resumed>)   = ?
[pid   405] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   404] <... futex resumed>)        = ?
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   405] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   405] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   405] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   405] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   404] +++ exited with 0 +++
[pid   397] +++ exited with 0 +++
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 406 attached
[pid   405] <... clone3 resumed> => {parent_tid=[406]}, 88) = 406
[pid   406] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   405] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=397, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   406] <... set_robust_list resumed>) = 0
[pid   405] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   406] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   405] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   406] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   405] <... futex resumed>)        = 0
[pid   406] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   405] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   406] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   406] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   405] <... futex resumed>)        = 0
[pid   406] <... futex resumed>)        = 1
[pid   405] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   406] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   405] <... futex resumed>)        = 0
[pid   406] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   405] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   406] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   405] <... futex resumed>)        = 0
[pid   405] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   406] <... futex resumed>)        = 1
[pid   405] <... futex resumed>)        = 0
[pid   406] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid   405] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   406] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   405] <... futex resumed>)        = 0
[pid   406] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   405] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   406] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   406] write(3, "\x38\x00", 2 <unfinished ...>
[pid   405] <... futex resumed>)        = 0
[pid   406] <... write resumed>)        = 2
[pid   405] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   406] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   405] <... futex resumed>)        = 0
[pid   406] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   405] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   406] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   406] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   405] <... futex resumed>)        = 0
[pid   406] <... openat resumed>)       = 4
[pid   405] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   406] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   405] <... futex resumed>)        = 0
[pid   406] <... futex resumed>)        = 1
[pid   405] exit_group(0 <unfinished ...>
[pid   406] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid   405] <... exit_group resumed>)   = ?
[pid   406] +++ exited with 0 +++
[pid   405] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=405, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 407 attached
, [], 8) = 0
[pid   407] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 408 attached
 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 407
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 408
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   408] set_robust_list(0x55557716c6a0, 24ci2-android-6-12-rust/strace-static-x86_64: Process 409 attached
 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   409] set_robust_list(0x55557716c6a0, 24) = 0
[pid   409] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   407] <... set_robust_list resumed>) = 0
[pid   408] <... set_robust_list resumed>) = 0
[pid   409] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   407] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   409] <... prctl resumed>)        = 0
[pid   408] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   407] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 409
[pid   409] setpgid(0, 0 <unfinished ...>
[pid   408] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   409] <... setpgid resumed>)      = 0
[pid   407] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   408] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   407] <... prctl resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   408] <... prctl resumed>)        = 0
[pid   407] setpgid(0, 0 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   408] setpgid(0, 0 <unfinished ...>
[pid   407] <... setpgid resumed>)      = 0
[pid   408] <... setpgid resumed>)      = 0
[pid   409] write(3, "1000", 4)         = 4
[pid   407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   409] close(3)                    = 0
[pid   408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   409] write(1, "executing program\n", 18) = 18
[pid   409] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid   409] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   409] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   409] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   407] <... openat resumed>)       = 3
[pid   409] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   408] <... openat resumed>)       = 3
[pid   407] write(3, "1000", 4 <unfinished ...>
[pid   408] write(3, "1000", 4 <unfinished ...>
[pid   407] <... write resumed>)        = 4
[pid   408] <... write resumed>)        = 4
[pid   407] close(3 <unfinished ...>
[pid   408] close(3 <unfinished ...>
[pid   407] <... close resumed>)        = 0
[pid   408] <... close resumed>)        = 0
[pid   407] write(1, "executing program\n", 18 <unfinished ...>
[pid   408] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   407] <... write resumed>)        = 18
[pid   408] <... write resumed>)        = 18
[pid   409] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
executing program
[pid   409] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   408] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   407] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 410 attached
[pid   408] <... futex resumed>)        = 0
[pid   407] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 411 attached
 <unfinished ...>
[pid   410] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   409] <... clone3 resumed> => {parent_tid=[410]}, 88) = 410
[pid   408] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   407] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   410] <... set_robust_list resumed>) = 0
[pid   409] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   408] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   407] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   411] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   410] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   408] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   407] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   410] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   408] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   407] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   411] <... set_robust_list resumed>) = 0
[pid   410] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   411] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   409] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   407] <... mmap resumed>)         = 0x7fb4de009000
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 411
[pid   409] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   409] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   409] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   410] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   410] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   411] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   408] <... mmap resumed>)         = 0x7fb4de009000
[pid   407] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   410] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   410] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   407] <... mprotect resumed>)     = 0
[pid   410] <... futex resumed>)        = 1
[pid   409] <... futex resumed>)        = 0
[pid   411] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   410] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   409] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   407] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   408] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   411] <... prctl resumed>)        = 0
[pid   410] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   409] <... futex resumed>)        = 0
[pid   407] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   411] setpgid(0, 0 <unfinished ...>
[pid   410] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   409] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   408] <... mprotect resumed>)     = 0
[pid   411] <... setpgid resumed>)      = 0
[pid   410] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   407] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   408] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   410] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 412 attached
) = 1
[pid   409] <... futex resumed>)        = 0
[pid   412] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   411] <... openat resumed>)       = 3
[pid   410] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   409] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   408] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   407] <... clone3 resumed> => {parent_tid=[412]}, 88) = 412
[pid   412] <... set_robust_list resumed>) = 0
[pid   410] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   411] write(3, "1000", 4 <unfinished ...>
[pid   409] <... futex resumed>)        = 0
[pid   408] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   407] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   412] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   411] <... write resumed>)        = 4
[pid   410] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   409] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 413 attached
 <unfinished ...>
[pid   412] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   410] <... openat resumed>)       = 3
[pid   407] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   412] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   410] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   409] <... futex resumed>)        = 0
[pid   410] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   409] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   410] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   409] <... futex resumed>)        = 0
[pid   410] write(3, "\x38\x00", 2 <unfinished ...>
[pid   409] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   410] <... write resumed>)        = 2
[pid   410] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   409] <... futex resumed>)        = 0
[pid   410] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   409] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   413] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   411] close(3 <unfinished ...>
[pid   410] <... openat resumed>)       = 4
[pid   409] <... futex resumed>)        = 0
[pid   407] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   409] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   413] <... set_robust_list resumed>) = 0
[pid   412] <... futex resumed>)        = 0
[pid   411] <... close resumed>)        = 0
[pid   408] <... clone3 resumed> => {parent_tid=[413]}, 88) = 413
[pid   407] <... futex resumed>)        = 1
[pid   413] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   411] write(1, "executing program\n", 18 <unfinished ...>
[pid   408] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   413] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   411] <... write resumed>)        = 18
[pid   408] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   407] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   413] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   411] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   408] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   413] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   411] <... futex resumed>)        = 0
[pid   408] <... futex resumed>)        = 0
[pid   413] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
executing program
[pid   412] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   411] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   410] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   408] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   413] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   412] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   411] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   410] <... futex resumed>)        = 1
[pid   409] <... futex resumed>)        = 0
[pid   413] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   412] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   411] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   410] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   409] exit_group(0 <unfinished ...>
[pid   413] <... futex resumed>)        = 1
[pid   412] <... futex resumed>)        = 1
[pid   411] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   410] <... futex resumed>)        = ?
[pid   409] <... exit_group resumed>)   = ?
[pid   408] <... futex resumed>)        = 0
[pid   407] <... futex resumed>)        = 0
[pid   413] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   412] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   410] +++ exited with 0 +++
[pid   409] +++ exited with 0 +++
[pid   408] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   407] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   413] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   412] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   411] <... mmap resumed>)         = 0x7fb4de009000
[pid   408] <... futex resumed>)        = 0
[pid   407] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=409, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   413] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   412] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   411] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   408] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   407] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   412] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   412] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   407] <... futex resumed>)        = 0
[pid   412] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   407] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   412] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   407] <... futex resumed>)        = 0
[pid   412] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   407] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   412] <... openat resumed>)       = 3
[pid   313] <... restart_syscall resumed>) = 0
[pid   413] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   412] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   411] <... mprotect resumed>)     = 0
[pid   407] <... futex resumed>)        = 0
[pid   413] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   412] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   407] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   413] <... futex resumed>)        = 1
[pid   412] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   411] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   408] <... futex resumed>)        = 0
[pid   407] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   413] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   412] write(3, "\x38\x00", 2 <unfinished ...>
[pid   408] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   407] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   412] <... write resumed>)        = 2
[pid   408] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   413] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   412] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   411] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   408] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   412] <... futex resumed>)        = 1
[pid   407] <... futex resumed>)        = 0
[pid   412] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   407] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   412] <... openat resumed>)       = 4
[pid   407] <... futex resumed>)        = 0
[pid   407] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   413] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 414 attached
 <unfinished ...>
[pid   413] <... openat resumed>)       = 3
[pid   412] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   414] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   412] <... futex resumed>)        = 1
[pid   407] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 415 attached
[pid   414] <... set_robust_list resumed>) = 0
[pid   412] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   407] exit_group(0 <unfinished ...>
[pid   415] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   414] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   413] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   412] <... futex resumed>)        = ?
[pid   411] <... clone3 resumed> => {parent_tid=[415]}, 88) = 415
[pid   407] <... exit_group resumed>)   = ?
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 414
[pid   413] <... futex resumed>)        = 1
[pid   411] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   408] <... futex resumed>)        = 0
[pid   413] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   411] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   408] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   413] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   411] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   408] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   413] write(3, "\x38\x00", 2 <unfinished ...>
[pid   411] <... futex resumed>)        = 0
[pid   408] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   413] <... write resumed>)        = 2
[pid   411] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   413] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   415] <... set_robust_list resumed>) = 0
[pid   414] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   413] <... futex resumed>)        = 1
[pid   412] +++ exited with 0 +++
[pid   408] <... futex resumed>)        = 0
[pid   407] +++ exited with 0 +++
[pid   415] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   414] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   413] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   408] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=407, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   415] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   414] <... prctl resumed>)        = 0
[pid   413] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   408] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   415] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   414] setpgid(0, 0 <unfinished ...>
[pid   415] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   414] <... setpgid resumed>)      = 0
[pid   413] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   408] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   415] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   415] <... futex resumed>)        = 1
[pid   414] <... openat resumed>)       = 3
[pid   411] <... futex resumed>)        = 0
[pid   415] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   414] write(3, "1000", 4)         = 4
[pid   413] <... openat resumed>)       = 4
[pid   411] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   414] close(3 <unfinished ...>
[pid   413] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   415] <... futex resumed>)        = 0
[pid   414] <... close resumed>)        = 0
[pid   411] <... futex resumed>)        = 1
[pid   413] <... futex resumed>)        = 1
[pid   415] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   414] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   411] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   408] <... futex resumed>)        = 0
[pid   415] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   414] <... write resumed>)        = 18
[pid   413] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   408] exit_group(0 <unfinished ...>
[pid   414] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   408] <... exit_group resumed>)   = ?
[pid   413] <... futex resumed>)        = ?
[pid   414] <... futex resumed>)        = 0
[pid   414] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   414] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   414] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   414] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   414] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   415] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   414] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   411] <... futex resumed>)        = 0
[pid   415] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   414] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 416 attached
 <unfinished ...>
[pid   411] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   414] <... clone3 resumed> => {parent_tid=[416]}, 88) = 416
[pid   411] <... futex resumed>)        = 1
[pid   415] <... futex resumed>)        = 0
[pid   414] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   415] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   414] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   411] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   416] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   415] <... openat resumed>)       = 3
[pid   414] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   413] +++ exited with 0 +++
[pid   408] +++ exited with 0 +++
[pid   416] <... set_robust_list resumed>) = 0
[pid   415] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   414] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=408, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   416] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   415] <... futex resumed>)        = 1
[pid   414] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   411] <... futex resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   416] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   411] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   415] write(3, "\x38\x00", 2 <unfinished ...>
[pid   411] <... futex resumed>)        = 0
[pid   416] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   415] <... write resumed>)        = 2
[pid   415] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   411] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   415] <... futex resumed>)        = 0
[pid   416] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   415] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   411] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   416] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   411] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   416] <... futex resumed>)        = 1
[pid   415] <... futex resumed>)        = 0
[pid   414] <... futex resumed>)        = 0
[pid   411] <... futex resumed>)        = 1
[pid   416] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   415] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   414] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   411] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   416] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   415] <... openat resumed>)       = 4
[pid   414] <... futex resumed>)        = 0
[pid   415] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   414] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   411] <... futex resumed>)        = 0
[pid   416] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   414] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   416] <... futex resumed>)        = 0
[pid   415] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   414] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   411] exit_group(0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   416] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   414] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 417 attached
 <unfinished ...>
[pid   416] <... openat resumed>)       = 3
[pid   415] <... futex resumed>)        = ?
[pid   414] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   411] <... exit_group resumed>)   = ?
[pid   416] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   415] +++ exited with 0 +++
[pid   414] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   414] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   416] <... futex resumed>)        = 0
[pid   414] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   416] write(3, "\x38\x00", 2)     = 2
[pid   416] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   414] <... futex resumed>)        = 0
[pid   414] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   416] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   414] <... futex resumed>)        = 0
[pid   416] <... openat resumed>)       = 4
[pid   414] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   411] +++ exited with 0 +++
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 417
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 418
[pid   416] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=411, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   416] <... futex resumed>)        = 1
[pid   414] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   416] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   414] exit_group(0 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   416] <... futex resumed>)        = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 418 attached
[pid   417] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   416] +++ exited with 0 +++
[pid   414] <... exit_group resumed>)   = ?
[pid   418] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   417] <... set_robust_list resumed>) = 0
[pid   414] +++ exited with 0 +++
[pid   418] <... set_robust_list resumed>) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=414, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   417] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   418] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   417] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   418] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   417] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   418] <... prctl resumed>)        = 0
[pid   417] <... prctl resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   418] setpgid(0, 0 <unfinished ...>
[pid   417] setpgid(0, 0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   418] <... setpgid resumed>)      = 0
[pid   417] <... setpgid resumed>)      = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 419 attached
 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 419
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   418] <... openat resumed>)       = 3
[pid   418] write(3, "1000", 4 <unfinished ...>
[pid   417] <... openat resumed>)       = 3
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   419] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   417] write(3, "1000", 4 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   418] <... write resumed>)        = 4
[pid   418] close(3)                    = 0
[pid   418] write(1, "executing program\n", 18) = 18
[pid   418] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid   418] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   419] <... set_robust_list resumed>) = 0
[pid   417] <... write resumed>)        = 4
ci2-android-6-12-rust/strace-static-x86_64: Process 420 attached
[pid   418] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   420] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   418] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   420] <... set_robust_list resumed>) = 0
[pid   418] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   420] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   420] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   420] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   418] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   419] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   417] close(3 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 420
[pid   420] <... prctl resumed>)        = 0
[pid   419] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   418] <... mprotect resumed>)     = 0
[pid   417] <... close resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   420] setpgid(0, 0)               = 0
[pid   419] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   418] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   417] write(1, "executing program\n", 18 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   417] <... write resumed>)        = 18
[pid   419] <... prctl resumed>)        = 0
[pid   419] setpgid(0, 0 <unfinished ...>
executing program
[pid   417] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   419] <... setpgid resumed>)      = 0
[pid   417] <... futex resumed>)        = 0
[pid   420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   418] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   417] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   420] <... openat resumed>)       = 3
[pid   418] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 421 attached
 <unfinished ...>
[pid   420] write(3, "1000", 4 <unfinished ...>
[pid   417] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   421] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   420] <... write resumed>)        = 4
[pid   418] <... clone3 resumed> => {parent_tid=[421]}, 88) = 421
[pid   417] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   421] <... set_robust_list resumed>) = 0
[pid   420] close(3 <unfinished ...>
[pid   419] <... openat resumed>)       = 3
[pid   418] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   417] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   421] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   420] <... close resumed>)        = 0
[pid   419] write(3, "1000", 4 <unfinished ...>
[pid   418] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   421] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   420] write(1, "executing program\n", 18 <unfinished ...>
[pid   418] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   421] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   420] <... write resumed>)        = 18
[pid   418] <... futex resumed>)        = 0
executing program
[pid   421] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   420] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   419] <... write resumed>)        = 4
[pid   418] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   417] <... mmap resumed>)         = 0x7fb4de009000
[pid   421] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   420] <... futex resumed>)        = 0
[pid   419] close(3 <unfinished ...>
[pid   417] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   421] <... futex resumed>)        = 1
[pid   420] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   418] <... futex resumed>)        = 0
[pid   421] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   420] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   419] <... close resumed>)        = 0
[pid   418] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   417] <... mprotect resumed>)     = 0
[pid   421] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   420] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   419] write(1, "executing program\n", 18 <unfinished ...>
[pid   418] <... futex resumed>)        = 0
[pid   419] <... write resumed>)        = 18
[pid   417] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   419] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   417] <... rt_sigprocmask resumed>, [], 8) = 0
executing program
[pid   421] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   420] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   419] <... futex resumed>)        = 0
[pid   418] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   417] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   421] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   419] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}ci2-android-6-12-rust/strace-static-x86_64: Process 422 attached
 <unfinished ...>
[pid   421] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   420] <... mmap resumed>)         = 0x7fb4de009000
[pid   421] <... futex resumed>)        = 1
[pid   420] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   418] <... futex resumed>)        = 0
[pid   422] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   421] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   420] <... mprotect resumed>)     = 0
[pid   419] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   418] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   422] <... set_robust_list resumed>) = 0
[pid   421] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   420] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   419] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   418] <... futex resumed>)        = 0
[pid   417] <... clone3 resumed> => {parent_tid=[422]}, 88) = 422
[pid   422] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   421] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   420] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   419] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   418] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   417] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   422] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   421] <... openat resumed>)       = 3
[pid   420] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   417] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   422] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   421] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   418] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 423 attached
[pid   419] <... mmap resumed>)         = 0x7fb4de009000
[pid   418] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   417] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   421] write(3, "\x38\x00", 2 <unfinished ...>
[pid   419] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   418] <... futex resumed>)        = 0
[pid   422] <... futex resumed>)        = 0
[pid   417] <... futex resumed>)        = 1
[pid   423] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   422] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   421] <... write resumed>)        = 2
[pid   420] <... clone3 resumed> => {parent_tid=[423]}, 88) = 423
[pid   419] <... mprotect resumed>)     = 0
[pid   418] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   417] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   423] <... set_robust_list resumed>) = 0
[pid   422] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   421] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   420] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   419] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   418] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   423] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   422] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   421] <... futex resumed>)        = 0
[pid   420] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   419] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   418] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   417] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   422] <... futex resumed>)        = 0
[pid   421] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   420] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   418] <... futex resumed>)        = 0
[pid   423] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   417] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   422] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   421] <... openat resumed>)       = 4
[pid   420] <... futex resumed>)        = 0
[pid   418] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   421] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   420] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   418] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   423] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   422] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   421] <... futex resumed>)        = 0
[pid   418] exit_group(0 <unfinished ...>
[pid   417] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 424 attached
[pid   423] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   422] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   419] <... clone3 resumed> => {parent_tid=[424]}, 88) = 424
[pid   418] <... exit_group resumed>)   = ?
[pid   417] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   424] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   423] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   422] <... futex resumed>)        = 0
[pid   421] +++ exited with 0 +++
[pid   419] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   418] +++ exited with 0 +++
[pid   417] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   424] <... set_robust_list resumed>) = 0
[pid   423] <... futex resumed>)        = 1
[pid   422] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   420] <... futex resumed>)        = 0
[pid   419] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   417] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=418, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   424] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   423] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   422] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   420] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   419] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   417] <... futex resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   424] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   423] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   422] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   420] <... futex resumed>)        = 0
[pid   417] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   424] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   423] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   420] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   419] <... futex resumed>)        = 0
[pid   424] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   424] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   419] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   424] <... futex resumed>)        = 0
[pid   424] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   422] <... openat resumed>)       = 3
[pid   422] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   419] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   423] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   419] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   423] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   419] <... futex resumed>)        = 1
[pid   424] <... futex resumed>)        = 0
[pid   422] <... futex resumed>)        = 1
[pid   423] <... futex resumed>)        = 1
[pid   420] <... futex resumed>)        = 0
[pid   419] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   417] <... futex resumed>)        = 0
[pid   424] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   422] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   424] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   423] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   422] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   420] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   417] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   424] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   423] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   422] write(3, "\x38\x00", 2 <unfinished ...>
[pid   420] <... futex resumed>)        = 0
[pid   417] <... futex resumed>)        = 0
[pid   424] <... futex resumed>)        = 1
[pid   423] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   422] <... write resumed>)        = 2
[pid   420] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   419] <... futex resumed>)        = 0
[pid   417] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   424] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   422] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   422] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   423] <... openat resumed>)       = 3
[pid   419] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   417] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   423] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   420] <... futex resumed>)        = 0
[pid   423] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   420] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   419] <... futex resumed>)        = 1
[pid   417] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   424] <... futex resumed>)        = 0
[pid   424] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   423] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   422] <... futex resumed>)        = 0
[pid   420] <... futex resumed>)        = 0
[pid   419] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   417] <... futex resumed>)        = 1
[pid   424] <... openat resumed>)       = 3
[pid   423] write(3, "\x38\x00", 2 <unfinished ...>
[pid   422] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   420] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   417] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   424] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   423] <... write resumed>)        = 2
[pid   422] <... openat resumed>)       = 4
[pid   423] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   424] <... futex resumed>)        = 1
[pid   423] <... futex resumed>)        = 1
[pid   422] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   420] <... futex resumed>)        = 0
[pid   419] <... futex resumed>)        = 0
[pid   424] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   423] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   422] <... futex resumed>)        = 1
[pid   420] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   419] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   417] <... futex resumed>)        = 0
[pid   424] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   423] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   422] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   420] <... futex resumed>)        = 0
[pid   419] <... futex resumed>)        = 0
[pid   424] write(3, "\x38\x00", 2 <unfinished ...>
[pid   423] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   417] exit_group(0 <unfinished ...>
[pid   419] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   424] <... write resumed>)        = 2
[pid   417] <... exit_group resumed>)   = ?
[pid   424] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   423] <... openat resumed>)       = 4
[pid   422] <... futex resumed>)        = ?
[pid   420] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   419] <... futex resumed>)        = 0
[pid   424] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   423] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   422] +++ exited with 0 +++
[pid   420] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   419] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   417] +++ exited with 0 +++
[pid   424] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   423] <... futex resumed>)        = 0
[pid   420] exit_group(0 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=417, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   424] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   420] <... exit_group resumed>)   = ?
[pid   419] <... futex resumed>)        = 0
[pid   424] <... openat resumed>)       = 4
[pid   423] +++ exited with 0 +++
[pid   420] +++ exited with 0 +++
[pid   419] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   424] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   419] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   424] <... futex resumed>)        = 0
[pid   419] exit_group(0 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=420, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   419] <... exit_group resumed>)   = ?
[pid   424] +++ exited with 0 +++
[pid   419] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=419, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 425 attached
[pid   425] set_robust_list(0x55557716c6a0, 24) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 426 attached
 <unfinished ...>
[pid   425] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   426] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   425] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 425
[pid   426] <... set_robust_list resumed>) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   425] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   426] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   425] <... prctl resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 426
[pid   426] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   425] setpgid(0, 0 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   426] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   425] <... setpgid resumed>)      = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   426] <... prctl resumed>)        = 0
[pid   425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   426] setpgid(0, 0 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   426] <... setpgid resumed>)      = 0
[pid   425] <... openat resumed>)       = 3
[pid   426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   425] write(3, "1000", 4 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   426] <... openat resumed>)       = 3
[pid   425] <... write resumed>)        = 4
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 427 attached
 <unfinished ...>
[pid   426] write(3, "1000", 4 <unfinished ...>
[pid   425] close(3 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   427] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   426] <... write resumed>)        = 4
[pid   425] <... close resumed>)        = 0
[pid   427] <... set_robust_list resumed>) = 0
[pid   426] close(3 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   425] write(1, "executing program\n", 18 <unfinished ...>
[pid   427] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   426] <... close resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 427
[pid   314] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 428 attached
executing program
 <unfinished ...>
[pid   427] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   426] write(1, "executing program\n", 18 <unfinished ...>
[pid   425] <... write resumed>)        = 18
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid   428] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   426] <... write resumed>)        = 18
[pid   425] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   427] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   428] <... set_robust_list resumed>) = 0
[pid   426] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   425] <... futex resumed>)        = 0
[pid   427] <... prctl resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 428
[pid   428] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   426] <... futex resumed>)        = 0
[pid   425] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   428] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   427] setpgid(0, 0 <unfinished ...>
[pid   426] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   425] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   428] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   427] <... setpgid resumed>)      = 0
[pid   426] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   425] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   428] <... prctl resumed>)        = 0
[pid   426] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   425] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   428] setpgid(0, 0 <unfinished ...>
[pid   427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   426] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   428] <... setpgid resumed>)      = 0
[pid   427] <... openat resumed>)       = 3
[pid   426] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   425] <... mmap resumed>)         = 0x7fb4de009000
[pid   428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   427] write(3, "1000", 4 <unfinished ...>
[pid   426] <... mmap resumed>)         = 0x7fb4de009000
[pid   425] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   427] <... write resumed>)        = 4
[pid   428] <... openat resumed>)       = 3
[pid   426] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   428] write(3, "1000", 4 <unfinished ...>
[pid   425] <... mprotect resumed>)     = 0
[pid   428] <... write resumed>)        = 4
[pid   427] close(3 <unfinished ...>
[pid   426] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   425] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   428] close(3 <unfinished ...>
[pid   427] <... close resumed>)        = 0
[pid   426] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   425] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   428] <... close resumed>)        = 0
[pid   427] write(1, "executing program\n", 18 <unfinished ...>
[pid   426] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
executing program
executing program
[pid   428] write(1, "executing program\n", 18ci2-android-6-12-rust/strace-static-x86_64: Process 429 attached
) = 18
[pid   427] <... write resumed>)        = 18
ci2-android-6-12-rust/strace-static-x86_64: Process 430 attached
[pid   428] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   427] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   430] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   429] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   428] <... futex resumed>)        = 0
[pid   427] <... futex resumed>)        = 0
[pid   426] <... clone3 resumed> => {parent_tid=[429]}, 88) = 429
[pid   425] <... clone3 resumed> => {parent_tid=[430]}, 88) = 430
[pid   430] <... set_robust_list resumed>) = 0
[pid   429] <... set_robust_list resumed>) = 0
[pid   428] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   427] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   426] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   430] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   429] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   428] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   427] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   425] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   426] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   429] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   428] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   426] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   425] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   429] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   428] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   425] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   429] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   426] <... futex resumed>)        = 0
[pid   425] <... futex resumed>)        = 0
[pid   429] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   428] <... mmap resumed>)         = 0x7fb4de009000
[pid   429] <... futex resumed>)        = 0
[pid   426] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   425] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   428] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   429] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   426] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   428] <... mprotect resumed>)     = 0
[pid   426] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   430] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   429] <... futex resumed>)        = 0
[pid   428] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   427] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   426] <... futex resumed>)        = 1
[pid   430] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   429] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   428] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   427] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   430] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   427] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   426] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   430] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   429] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   428] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   427] <... mmap resumed>)         = 0x7fb4de009000
[pid   430] <... futex resumed>)        = 1
[pid   429] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   427] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   425] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 431 attached
[pid   430] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   429] <... futex resumed>)        = 1
[pid   427] <... mprotect resumed>)     = 0
[pid   426] <... futex resumed>)        = 0
[pid   425] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   431] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   430] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   429] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   428] <... clone3 resumed> => {parent_tid=[431]}, 88) = 431
[pid   427] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   426] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   425] <... futex resumed>)        = 0
[pid   431] <... set_robust_list resumed>) = 0
[pid   430] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   429] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   428] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   427] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   426] <... futex resumed>)        = 0
[pid   425] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   431] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   430] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   429] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   428] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   427] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 432 attached
 <unfinished ...>
[pid   431] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   430] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   428] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   429] <... openat resumed>)       = 3
[pid   426] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   425] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   432] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   431] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   430] <... futex resumed>)        = 0
[pid   429] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   428] <... futex resumed>)        = 0
[pid   427] <... clone3 resumed> => {parent_tid=[432]}, 88) = 432
[pid   426] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   425] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   432] <... set_robust_list resumed>) = 0
[pid   431] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   430] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   429] <... futex resumed>)        = 0
[pid   428] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   427] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   426] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   425] <... futex resumed>)        = 0
[pid   432] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   431] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   430] <... openat resumed>)       = 3
[pid   429] write(3, "\x38\x00", 2 <unfinished ...>
[pid   428] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   427] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   426] <... futex resumed>)        = 0
[pid   425] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   432] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   431] <... futex resumed>)        = 0
[pid   430] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   429] <... write resumed>)        = 2
[pid   428] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   427] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   426] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   425] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   432] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   431] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   430] <... futex resumed>)        = 0
[pid   427] <... futex resumed>)        = 0
[pid   428] <... futex resumed>)        = 0
[pid   425] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   429] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   432] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   431] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   430] write(3, "\x38\x00", 2 <unfinished ...>
[pid   428] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   427] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   425] <... futex resumed>)        = 0
[pid   432] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   431] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   430] <... write resumed>)        = 2
[pid   429] <... futex resumed>)        = 1
[pid   428] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   427] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   426] <... futex resumed>)        = 0
[pid   425] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   432] <... futex resumed>)        = 0
[pid   431] <... futex resumed>)        = 0
[pid   430] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   429] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   428] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   427] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   426] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   425] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   432] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   431] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   430] <... futex resumed>)        = 0
[pid   429] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   428] <... futex resumed>)        = 0
[pid   427] <... futex resumed>)        = 0
[pid   426] <... futex resumed>)        = 0
[pid   425] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   432] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   431] <... openat resumed>)       = 3
[pid   430] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   429] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   428] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   427] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   426] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   425] <... futex resumed>)        = 0
[pid   432] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   431] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   430] <... openat resumed>)       = 4
[pid   429] <... openat resumed>)       = 4
[pid   428] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   427] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   425] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   432] <... futex resumed>)        = 0
[pid   431] <... futex resumed>)        = 0
[pid   430] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   429] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   428] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   427] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   425] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   432] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   431] write(3, "\x38\x00", 2 <unfinished ...>
[pid   430] <... futex resumed>)        = 0
[pid   429] <... futex resumed>)        = 1
[pid   428] <... futex resumed>)        = 0
[pid   427] <... futex resumed>)        = 0
[pid   426] <... futex resumed>)        = 0
[pid   425] exit_group(0 <unfinished ...>
[pid   432] <... openat resumed>)       = 3
[pid   431] <... write resumed>)        = 2
[pid   430] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   429] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   428] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   427] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   426] exit_group(0 <unfinished ...>
[pid   432] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   431] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   430] <... futex resumed>)        = ?
[pid   429] <... futex resumed>)        = ?
[pid   428] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   426] <... exit_group resumed>)   = ?
[pid   425] <... exit_group resumed>)   = ?
[pid   432] <... futex resumed>)        = 1
[pid   431] <... futex resumed>)        = 0
[pid   430] +++ exited with 0 +++
[pid   429] +++ exited with 0 +++
[pid   428] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   427] <... futex resumed>)        = 0
[pid   432] write(3, "\x38\x00", 2 <unfinished ...>
[pid   427] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   432] <... write resumed>)        = 2
[pid   427] <... futex resumed>)        = 0
[pid   426] +++ exited with 0 +++
[pid   432] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   427] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=426, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   432] <... futex resumed>)        = 0
[pid   431] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   428] <... futex resumed>)        = 0
[pid   427] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   425] +++ exited with 0 +++
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   432] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   431] <... openat resumed>)       = 4
[pid   428] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   427] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   432] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   431] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   428] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   427] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=425, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   432] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   431] <... futex resumed>)        = 0
[pid   428] exit_group(0 <unfinished ...>
[pid   427] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   432] <... openat resumed>)       = 4
[pid   428] <... exit_group resumed>)   = ?
[pid   431] +++ exited with 0 +++
[pid   432] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   427] <... futex resumed>)        = 0
[pid   432] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   427] exit_group(0)               = ?
[pid   432] <... futex resumed>)        = ?
[pid   432] +++ exited with 0 +++
[pid   428] +++ exited with 0 +++
[pid   427] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=427, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=428, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557716c690) = 433
ci2-android-6-12-rust/strace-static-x86_64: Process 433 attached
[pid   433] set_robust_list(0x55557716c6a0, 24) = 0
[pid   433] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   433] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   433] setpgid(0, 0 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   433] <... setpgid resumed>)      = 0
[pid   433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   433] <... openat resumed>)       = 3
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   433] write(3, "1000", 4 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   433] <... write resumed>)        = 4
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   433] close(3 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 434 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 435 attached
 <unfinished ...>
[pid   433] <... close resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   434] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   433] write(1, "executing program\n", 18 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 434
[pid   435] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   434] <... set_robust_list resumed>) = 0
[pid   433] <... write resumed>)        = 18
[pid   435] <... set_robust_list resumed>) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   434] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   433] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   435] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   434] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   433] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   435] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid   433] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   435] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   434] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   433] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 435
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   435] <... prctl resumed>)        = 0
[pid   434] <... prctl resumed>)        = 0
[pid   433] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   435] setpgid(0, 0 <unfinished ...>
[pid   434] setpgid(0, 0 <unfinished ...>
[pid   433] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 436
[pid   435] <... setpgid resumed>)      = 0
[pid   434] <... setpgid resumed>)      = 0
[pid   433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 436 attached
 <unfinished ...>
[pid   435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   433] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   436] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   435] <... openat resumed>)       = 3
[pid   433] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   436] <... set_robust_list resumed>) = 0
[pid   434] <... openat resumed>)       = 3
[pid   433] <... mprotect resumed>)     = 0
[pid   435] write(3, "1000", 4 <unfinished ...>
[pid   436] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   435] <... write resumed>)        = 4
[pid   434] write(3, "1000", 4 <unfinished ...>
[pid   433] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   436] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   435] close(3 <unfinished ...>
[pid   434] <... write resumed>)        = 4
[pid   433] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   436] <... prctl resumed>)        = 0
[pid   434] close(3 <unfinished ...>
[pid   436] setpgid(0, 0 <unfinished ...>
[pid   433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   436] <... setpgid resumed>)      = 0
[pid   434] <... close resumed>)        = 0
[pid   435] <... close resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 437 attached
[pid   436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   435] write(1, "executing program\n", 18 <unfinished ...>
[pid   434] write(1, "executing program\n", 18 <unfinished ...>
[pid   437] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   436] <... openat resumed>)       = 3
[pid   435] <... write resumed>)        = 18
[pid   434] <... write resumed>)        = 18
[pid   437] <... set_robust_list resumed>) = 0
executing program
executing program
[pid   436] write(3, "1000", 4 <unfinished ...>
[pid   435] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   433] <... clone3 resumed> => {parent_tid=[437]}, 88) = 437
[pid   437] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   436] <... write resumed>)        = 4
[pid   435] <... futex resumed>)        = 0
[pid   434] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   433] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   437] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   436] close(3 <unfinished ...>
[pid   435] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   434] <... futex resumed>)        = 0
[pid   433] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   437] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   436] <... close resumed>)        = 0
[pid   435] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   437] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   436] write(1, "executing program\n", 18 <unfinished ...>
[pid   435] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   434] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   433] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   437] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   436] <... write resumed>)        = 18
[pid   435] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid   434] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   433] <... futex resumed>)        = 0
[pid   437] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   436] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   434] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   437] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   436] <... futex resumed>)        = 0
[pid   435] <... mmap resumed>)         = 0x7fb4de009000
[pid   433] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   437] <... futex resumed>)        = 0
[pid   436] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   434] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   433] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   437] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   436] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   433] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   437] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   436] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   437] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   434] <... mmap resumed>)         = 0x7fb4de009000
[pid   433] <... futex resumed>)        = 0
[pid   436] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   435] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   437] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   435] <... mprotect resumed>)     = 0
[pid   434] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   433] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   437] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   436] <... mmap resumed>)         = 0x7fb4de009000
[pid   435] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   437] <... futex resumed>)        = 0
[pid   436] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   435] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   434] <... mprotect resumed>)     = 0
[pid   433] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   437] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   436] <... mprotect resumed>)     = 0
[pid   435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   437] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   436] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   434] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   433] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   437] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   436] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   434] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   433] <... futex resumed>)        = 0
[pid   437] <... openat resumed>)       = 3
[pid   436] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   433] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   437] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   434] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 439 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 440 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 438 attached
 <unfinished ...>
[pid   437] <... futex resumed>)        = 0
[pid   433] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   440] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   439] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   438] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   437] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   436] <... clone3 resumed> => {parent_tid=[438]}, 88) = 438
[pid   435] <... clone3 resumed> => {parent_tid=[440]}, 88) = 440
[pid   434] <... clone3 resumed> => {parent_tid=[439]}, 88) = 439
[pid   433] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   440] <... set_robust_list resumed>) = 0
[pid   439] <... set_robust_list resumed>) = 0
[pid   438] <... set_robust_list resumed>) = 0
[pid   437] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   436] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   435] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   434] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   433] <... futex resumed>)        = 0
[pid   440] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   439] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   438] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   437] write(3, "\x38\x00", 2 <unfinished ...>
[pid   436] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   435] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   434] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   433] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   440] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   439] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   438] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   437] <... write resumed>)        = 2
[pid   436] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   435] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   440] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   439] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   438] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   437] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   436] <... futex resumed>)        = 0
[pid   435] <... futex resumed>)        = 0
[pid   434] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   440] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   439] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   438] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   437] <... futex resumed>)        = 1
[pid   436] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   435] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   433] <... futex resumed>)        = 0
[pid   434] <... futex resumed>)        = 0
[pid   440] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   439] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   438] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   437] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   435] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   434] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   433] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   440] <... futex resumed>)        = 0
[pid   439] <... futex resumed>)        = 0
[pid   438] <... futex resumed>)        = 1
[pid   437] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   436] <... futex resumed>)        = 0
[pid   435] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   434] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   433] <... futex resumed>)        = 0
[pid   440] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   439] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   438] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   437] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   436] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   435] <... futex resumed>)        = 0
[pid   434] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   433] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   440] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   439] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   438] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   437] <... openat resumed>)       = 4
[pid   436] <... futex resumed>)        = 0
[pid   435] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   434] <... futex resumed>)        = 0
[pid   440] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   439] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   438] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   437] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   436] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   435] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   434] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   440] <... futex resumed>)        = 0
[pid   439] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   438] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   437] <... futex resumed>)        = 1
[pid   435] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   433] <... futex resumed>)        = 0
[pid   440] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   439] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   438] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   437] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   435] <... futex resumed>)        = 0
[pid   440] <... openat resumed>)       = 3
[pid   439] <... futex resumed>)        = 1
[pid   438] <... futex resumed>)        = 1
[pid   435] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   434] <... futex resumed>)        = 0
[pid   436] <... futex resumed>)        = 0
[pid   433] exit_group(0 <unfinished ...>
[pid   440] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   439] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   438] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   436] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   435] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   434] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   433] <... exit_group resumed>)   = ?
[pid   440] <... futex resumed>)        = 0
[pid   439] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   438] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   437] <... futex resumed>)        = ?
[pid   436] <... futex resumed>)        = 0
[pid   435] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   440] write(3, "\x38\x00", 2 <unfinished ...>
[pid   439] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   438] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   435] <... futex resumed>)        = 0
[pid   434] <... futex resumed>)        = 0
[pid   438] <... openat resumed>)       = 3
[pid   435] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   438] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   438] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   436] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   437] +++ exited with 0 +++
[pid   440] <... write resumed>)        = 2
[pid   433] +++ exited with 0 +++
[pid   439] <... openat resumed>)       = 3
[pid   436] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   434] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   440] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   439] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   436] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   434] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=433, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   440] <... futex resumed>)        = 1
[pid   439] <... futex resumed>)        = 0
[pid   438] <... futex resumed>)        = 0
[pid   436] <... futex resumed>)        = 1
[pid   435] <... futex resumed>)        = 0
[pid   434] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   440] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   439] write(3, "\x38\x00", 2 <unfinished ...>
[pid   438] write(3, "\x38\x00", 2 <unfinished ...>
[pid   436] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   435] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   434] <... futex resumed>)        = 0
[pid   440] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   439] <... write resumed>)        = 2
[pid   438] <... write resumed>)        = 2
[pid   435] <... futex resumed>)        = 0
[pid   440] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   439] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   434] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   440] <... openat resumed>)       = 4
[pid   439] <... futex resumed>)        = 0
[pid   438] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   435] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   434] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   440] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   439] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   438] <... futex resumed>)        = 1
[pid   436] <... futex resumed>)        = 0
[pid   435] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... restart_syscall resumed>) = 0
[pid   440] <... futex resumed>)        = 0
[pid   439] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   438] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   436] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   435] exit_group(0 <unfinished ...>
[pid   434] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   439] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   438] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   436] <... futex resumed>)        = 0
[pid   435] <... exit_group resumed>)   = ?
[pid   434] <... futex resumed>)        = 0
[pid   440] +++ exited with 0 +++
[pid   439] <... openat resumed>)       = 4
[pid   438] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   436] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   435] +++ exited with 0 +++
[pid   434] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   439] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   438] <... openat resumed>)       = 4
[pid   434] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=435, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   439] <... futex resumed>)        = 0
[pid   438] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 441 attached
 <unfinished ...>
[pid   439] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   438] <... futex resumed>)        = 1
[pid   436] <... futex resumed>)        = 0
[pid   434] exit_group(0 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   441] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   438] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   436] exit_group(0 <unfinished ...>
[pid   434] <... exit_group resumed>)   = ?
[pid   439] <... futex resumed>)        = ?
[pid   441] <... set_robust_list resumed>) = 0
[pid   438] <... futex resumed>)        = ?
[pid   436] <... exit_group resumed>)   = ?
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 441
[pid   441] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   439] +++ exited with 0 +++
[pid   438] +++ exited with 0 +++
[pid   436] +++ exited with 0 +++
[pid   434] +++ exited with 0 +++
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   441] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=436, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   441] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   441] <... prctl resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=434, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   441] setpgid(0, 0 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 442 attached
 <unfinished ...>
[pid   441] <... setpgid resumed>)      = 0
[pid   442] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   442] <... set_robust_list resumed>) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 442
[pid   442] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   441] <... openat resumed>)       = 3
[pid   442] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   441] write(3, "1000", 4 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   442] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   441] <... write resumed>)        = 4
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   442] <... prctl resumed>)        = 0
[pid   441] close(3 <unfinished ...>
[pid   442] setpgid(0, 0 <unfinished ...>
[pid   441] <... close resumed>)        = 0
[pid   442] <... setpgid resumed>)      = 0
[pid   441] write(1, "executing program\n", 18 <unfinished ...>
[pid   442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   441] <... write resumed>)        = 18
[pid   442] <... openat resumed>)       = 3
[pid   441] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   442] write(3, "1000", 4)         = 4
[pid   441] <... futex resumed>)        = 0
[pid   442] close(3 <unfinished ...>
[pid   441] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   442] <... close resumed>)        = 0
[pid   442] write(1, "executing program\n", 18 <unfinished ...>
[pid   441] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   442] <... write resumed>)        = 18
[pid   441] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   442] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   441] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
executing program
[pid   442] <... futex resumed>)        = 0
[pid   441] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   442] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   441] <... mmap resumed>)         = 0x7fb4de009000
[pid   442] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   442] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   441] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   442] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   441] <... mprotect resumed>)     = 0
[pid   442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   441] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   442] <... mmap resumed>)         = 0x7fb4de009000
[pid   442] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   441] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   442] <... mprotect resumed>)     = 0
[pid   441] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   442] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 443 attached
, [], 8) = 0
[pid   441] <... clone3 resumed> => {parent_tid=[443]}, 88) = 443
[pid   443] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   442] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   443] <... set_robust_list resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 444 attached
[pid   443] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   441] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   444] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   443] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   442] <... clone3 resumed> => {parent_tid=[444]}, 88) = 444
[pid   441] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   444] <... set_robust_list resumed>) = 0
[pid   443] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   442] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   441] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   444] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   443] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   442] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   441] <... futex resumed>)        = 0
[pid   444] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   443] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   442] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   441] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   444] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   442] <... futex resumed>)        = 0
[pid   444] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   443] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   442] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   444] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   443] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   442] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   444] <... futex resumed>)        = 0
[pid   443] <... futex resumed>)        = 1
[pid   442] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   444] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   443] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   442] <... futex resumed>)        = 0
[pid   444] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   442] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   441] <... futex resumed>)        = 0
[pid   444] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   442] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   441] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   444] <... futex resumed>)        = 0
[pid   443] <... futex resumed>)        = 0
[pid   442] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   441] <... futex resumed>)        = 1
[pid   444] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   443] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   442] <... futex resumed>)        = 0
[pid   441] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   444] <... openat resumed>)       = 3
[pid   443] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   442] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   444] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   443] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   442] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   444] <... futex resumed>)        = 0
[pid   443] <... futex resumed>)        = 1
[pid   442] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   441] <... futex resumed>)        = 0
[pid   444] write(3, "\x38\x00", 2 <unfinished ...>
[pid   443] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   442] <... futex resumed>)        = 0
[pid   441] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   444] <... write resumed>)        = 2
[pid   443] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   442] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   441] <... futex resumed>)        = 0
[pid   441] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   444] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   443] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   442] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   444] <... futex resumed>)        = 0
[pid   444] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   443] <... openat resumed>)       = 3
[pid   442] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   444] <... openat resumed>)       = 4
[pid   442] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   443] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   444] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   442] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   444] <... futex resumed>)        = 0
[pid   443] <... futex resumed>)        = 1
[pid   441] <... futex resumed>)        = 0
[pid   444] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   443] write(3, "\x38\x00", 2 <unfinished ...>
[pid   442] exit_group(0 <unfinished ...>
[pid   441] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   444] <... futex resumed>)        = ?
[pid   443] <... write resumed>)        = 2
[pid   442] <... exit_group resumed>)   = ?
[pid   441] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   444] +++ exited with 0 +++
[pid   441] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   443] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   442] +++ exited with 0 +++
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   443] <... futex resumed>)        = 1
[pid   441] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   443] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   441] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=442, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   443] <... openat resumed>)       = 4
[pid   441] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 445 attached
 <unfinished ...>
[pid   443] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   441] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 446 attached
[pid   445] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   443] <... futex resumed>)        = 0
[pid   441] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   446] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   445] <... set_robust_list resumed>) = 0
[pid   443] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   441] exit_group(0 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 446
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 445
[pid   443] <... futex resumed>)        = ?
[pid   441] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 447 attached
[pid   446] <... set_robust_list resumed>) = 0
[pid   445] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   443] +++ exited with 0 +++
[pid   441] +++ exited with 0 +++
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   447] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   446] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   445] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 447
[pid   447] <... set_robust_list resumed>) = 0
[pid   446] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=441, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   445] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   447] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   446] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   445] <... prctl resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   447] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   447] setpgid(0, 0)               = 0
[pid   445] setpgid(0, 0 <unfinished ...>
[pid   446] <... prctl resumed>)        = 0
[pid   445] <... setpgid resumed>)      = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   446] setpgid(0, 0 <unfinished ...>
[pid   445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   446] <... setpgid resumed>)      = 0
[pid   447] write(3, "1000", 4)         = 4
[pid   445] <... openat resumed>)       = 3
[pid   447] close(3)                    = 0
[pid   446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   445] write(3, "1000", 4 <unfinished ...>
[pid   447] write(1, "executing program\n", 18) = 18
[pid   447] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid   447] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   446] <... openat resumed>)       = 3
[pid   445] <... write resumed>)        = 4
[pid   447] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   446] write(3, "1000", 4 <unfinished ...>
[pid   445] close(3 <unfinished ...>
[pid   447] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   447] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   447] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   447] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 448 attached
 => {parent_tid=[448]}, 88) = 448
[pid   446] <... write resumed>)        = 4
[pid   445] <... close resumed>)        = 0
[pid   448] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   447] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   446] close(3 <unfinished ...>
[pid   445] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   448] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   447] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   446] <... close resumed>)        = 0
[pid   445] <... write resumed>)        = 18
[pid   448] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   447] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   446] write(1, "executing program\n", 18 <unfinished ...>
[pid   448] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   447] <... futex resumed>)        = 0
[pid   445] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   446] <... write resumed>)        = 18
[pid   445] <... futex resumed>)        = 0
[pid   446] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   445] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   446] <... futex resumed>)        = 0
executing program
[pid   448] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   447] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   446] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   445] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   448] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   447] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   446] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   445] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   448] <... futex resumed>)        = 0
[pid   447] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   448] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   447] <... futex resumed>)        = 0
[pid   448] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   447] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   446] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   445] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   446] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   448] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   447] <... futex resumed>)        = 0
[pid   448] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   447] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   445] <... mmap resumed>)         = 0x7fb4de009000
[pid   448] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   447] <... futex resumed>)        = 0
[pid   448] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   447] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   446] <... mmap resumed>)         = 0x7fb4de009000
[pid   445] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   448] <... openat resumed>)       = 3
[pid   446] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   448] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   447] <... futex resumed>)        = 0
[pid   448] <... futex resumed>)        = 1
[pid   447] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   445] <... mprotect resumed>)     = 0
[pid   448] write(3, "\x38\x00", 2 <unfinished ...>
[pid   447] <... futex resumed>)        = 0
[pid   448] <... write resumed>)        = 2
[pid   447] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   448] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   447] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   448] <... futex resumed>)        = 0
[pid   447] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   446] <... mprotect resumed>)     = 0
[pid   445] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   446] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   445] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   446] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   445] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   448] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   447] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 449 attached
[pid   448] <... openat resumed>)       = 4
[pid   447] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 450 attached
 <unfinished ...>
[pid   449] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   448] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   447] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   445] <... clone3 resumed> => {parent_tid=[449]}, 88) = 449
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   450] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   449] <... set_robust_list resumed>) = 0
[pid   448] <... futex resumed>)        = 0
[pid   447] exit_group(0 <unfinished ...>
[pid   446] <... clone3 resumed> => {parent_tid=[450]}, 88) = 450
[pid   450] <... set_robust_list resumed>) = 0
[pid   449] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   447] <... exit_group resumed>)   = ?
[pid   445] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   450] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   449] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   448] +++ exited with 0 +++
[pid   447] +++ exited with 0 +++
[pid   446] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   445] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   449] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=447, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 451 attached
[pid   450] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   446] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   445] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   450] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   449] <... futex resumed>)        = 0
[pid   451] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   446] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   445] <... futex resumed>)        = 1
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 451
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   451] <... set_robust_list resumed>) = 0
[pid   450] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   449] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   446] <... futex resumed>)        = 0
[pid   445] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   450] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   449] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   446] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   451] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   450] <... futex resumed>)        = 0
[pid   446] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   451] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   450] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   446] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   450] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   446] <... futex resumed>)        = 0
[pid   449] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   446] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   445] <... futex resumed>)        = 0
[pid   451] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   450] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   449] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   445] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   449] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   445] <... futex resumed>)        = 0
[pid   449] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   445] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   449] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   449] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   445] <... futex resumed>)        = 0
[pid   449] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   445] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   449] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   445] <... futex resumed>)        = 0
[pid   449] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   445] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   449] <... openat resumed>)       = 3
[pid   449] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   445] <... futex resumed>)        = 0
[pid   449] <... futex resumed>)        = 1
[pid   445] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   449] write(3, "\x38\x00", 2 <unfinished ...>
[pid   445] <... futex resumed>)        = 0
[pid   449] <... write resumed>)        = 2
[pid   445] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   450] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   449] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   451] <... prctl resumed>)        = 0
[pid   450] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   451] setpgid(0, 0 <unfinished ...>
[pid   450] <... futex resumed>)        = 1
[pid   451] <... setpgid resumed>)      = 0
[pid   446] <... futex resumed>)        = 0
[pid   449] <... futex resumed>)        = 1
[pid   445] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   449] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   446] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   445] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   451] <... openat resumed>)       = 3
[pid   449] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   446] <... futex resumed>)        = 0
[pid   445] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   451] write(3, "1000", 4 <unfinished ...>
[pid   450] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   449] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   446] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   445] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 452 attached
 <unfinished ...>
[pid   451] <... write resumed>)        = 4
[pid   450] <... openat resumed>)       = 3
[pid   449] <... openat resumed>)       = 4
[pid   451] close(3 <unfinished ...>
[pid   452] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   451] <... close resumed>)        = 0
[pid   452] <... set_robust_list resumed>) = 0
[pid   451] write(1, "executing program\n", 18 <unfinished ...>
[pid   450] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   449] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   451] <... write resumed>)        = 18
[pid   450] <... futex resumed>)        = 1
[pid   449] <... futex resumed>)        = 1
[pid   446] <... futex resumed>)        = 0
[pid   445] <... futex resumed>)        = 0
executing program
[pid   452] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   451] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   450] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   449] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   446] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   445] exit_group(0 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 452
[pid   452] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   451] <... futex resumed>)        = 0
[pid   450] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   449] <... futex resumed>)        = ?
[pid   446] <... futex resumed>)        = 0
[pid   445] <... exit_group resumed>)   = ?
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   452] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   451] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   450] write(3, "\x38\x00", 2 <unfinished ...>
[pid   449] +++ exited with 0 +++
[pid   446] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   445] +++ exited with 0 +++
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   452] <... prctl resumed>)        = 0
[pid   451] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   450] <... write resumed>)        = 2
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=445, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   452] setpgid(0, 0 <unfinished ...>
[pid   451] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   450] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   452] <... setpgid resumed>)      = 0
[pid   451] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   450] <... futex resumed>)        = 1
[pid   446] <... futex resumed>)        = 0
[pid   452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   450] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   446] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   446] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   451] <... mmap resumed>)         = 0x7fb4de009000
[pid   452] <... openat resumed>)       = 3
[pid   452] write(3, "1000", 4 <unfinished ...>
[pid   451] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   450] <... openat resumed>)       = 4
[pid   452] <... write resumed>)        = 4
[pid   450] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   452] close(3 <unfinished ...>
[pid   451] <... mprotect resumed>)     = 0
[pid   450] <... futex resumed>)        = 1
[pid   446] <... futex resumed>)        = 0
[pid   452] <... close resumed>)        = 0
[pid   446] exit_group(0 <unfinished ...>
[pid   452] write(1, "executing program\n", 18 <unfinished ...>
[pid   446] <... exit_group resumed>)   = ?
[pid   452] <... write resumed>)        = 18
executing program
[pid   451] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   451] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 453 attached
 <unfinished ...>
[pid   450] +++ exited with 0 +++
[pid   446] +++ exited with 0 +++
[pid   451] <... clone3 resumed> => {parent_tid=[453]}, 88) = 453
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=446, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   453] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   452] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   451] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   453] <... set_robust_list resumed>) = 0
[pid   452] <... futex resumed>)        = 0
[pid   451] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   453] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   452] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   453] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   452] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   451] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   453] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   452] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   451] <... futex resumed>)        = 0
[pid   453] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   453] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   453] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   452] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   452] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   451] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid   452] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 454 attached
 <unfinished ...>
[pid   451] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   452] <... clone3 resumed> => {parent_tid=[454]}, 88) = 454
[pid   452] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   451] <... futex resumed>)        = 1
[pid   313] <... restart_syscall resumed>) = 0
[pid   451] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   454] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   453] <... futex resumed>)        = 0
[pid   452] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   453] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   452] <... futex resumed>)        = 0
[pid   453] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   452] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   453] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   454] <... set_robust_list resumed>) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   454] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   454] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   454] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   453] <... futex resumed>)        = 1
[pid   453] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 455 attached
 <unfinished ...>
[pid   454] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   451] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   455] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   454] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   451] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   455] <... set_robust_list resumed>) = 0
[pid   454] <... futex resumed>)        = 1
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   453] <... futex resumed>)        = 0
[pid   452] <... futex resumed>)        = 0
[pid   451] <... futex resumed>)        = 1
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 455
[pid   453] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   452] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   451] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   455] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   454] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   453] <... openat resumed>)       = 3
[pid   452] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   453] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   452] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   453] <... futex resumed>)        = 1
[pid   451] <... futex resumed>)        = 0
[pid   453] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   451] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 456 attached
 <unfinished ...>
[pid   453] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   451] <... futex resumed>)        = 0
[pid   456] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   453] write(3, "\x38\x00", 2 <unfinished ...>
[pid   451] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   456] <... set_robust_list resumed>) = 0
[pid   453] <... write resumed>)        = 2
[pid   456] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   453] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   451] <... futex resumed>)        = 0
[pid   451] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   456] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   454] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   453] <... futex resumed>)        = 1
[pid   451] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   456] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   455] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   454] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   453] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   451] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 456
[pid   456] <... prctl resumed>)        = 0
[pid   455] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   454] <... futex resumed>)        = 1
[pid   453] <... openat resumed>)       = 4
[pid   452] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   456] setpgid(0, 0 <unfinished ...>
[pid   455] <... prctl resumed>)        = 0
[pid   454] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   453] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   452] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   456] <... setpgid resumed>)      = 0
[pid   455] setpgid(0, 0 <unfinished ...>
[pid   454] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   453] <... futex resumed>)        = 1
[pid   452] <... futex resumed>)        = 0
[pid   451] <... futex resumed>)        = 0
[pid   456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   455] <... setpgid resumed>)      = 0
[pid   454] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   453] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   452] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   451] exit_group(0 <unfinished ...>
[pid   456] <... openat resumed>)       = 3
[pid   455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   454] <... openat resumed>)       = 3
[pid   453] <... futex resumed>)        = ?
[pid   451] <... exit_group resumed>)   = ?
[pid   455] <... openat resumed>)       = 3
[pid   454] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   452] <... futex resumed>)        = 0
[pid   455] write(3, "1000", 4 <unfinished ...>
[pid   452] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   456] write(3, "1000", 4 <unfinished ...>
[pid   455] <... write resumed>)        = 4
[pid   454] write(3, "\x38\x00", 2 <unfinished ...>
[pid   453] +++ exited with 0 +++
[pid   452] <... futex resumed>)        = 0
[pid   451] +++ exited with 0 +++
[pid   456] <... write resumed>)        = 4
[pid   455] close(3 <unfinished ...>
[pid   454] <... write resumed>)        = 2
[pid   456] close(3)                    = 0
[pid   456] write(1, "executing program\n", 18) = 18
[pid   455] <... close resumed>)        = 0
[pid   454] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   452] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
executing program
[pid   456] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=451, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   452] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   456] <... futex resumed>)        = 0
[pid   455] write(1, "executing program\n", 18 <unfinished ...>
[pid   454] <... futex resumed>)        = 0
[pid   452] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
executing program
[pid   456] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   455] <... write resumed>)        = 18
[pid   454] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   452] <... futex resumed>)        = 0
[pid   456] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   456] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   454] <... openat resumed>)       = 4
[pid   452] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   456] <... mmap resumed>)         = 0x7fb4de009000
[pid   455] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   456] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   455] <... futex resumed>)        = 0
[pid   456] <... mprotect resumed>)     = 0
[pid   455] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   454] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   456] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   455] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   454] <... futex resumed>)        = 1
[pid   452] <... futex resumed>)        = 0
[pid   455] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   454] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   455] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   452] exit_group(0 <unfinished ...>
[pid   455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   454] <... futex resumed>)        = ?
[pid   452] <... exit_group resumed>)   = ?
[pid   455] <... mmap resumed>)         = 0x7fb4de009000
[pid   454] +++ exited with 0 +++
[pid   456] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   456] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 457 attached
 <unfinished ...>
[pid   457] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   456] <... clone3 resumed> => {parent_tid=[457]}, 88) = 457
[pid   457] <... set_robust_list resumed>) = 0
[pid   456] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   457] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   456] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   457] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   456] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   457] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   456] <... futex resumed>)        = 0
[pid   455] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   452] +++ exited with 0 +++
[pid   457] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   456] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   457] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   456] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=452, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   457] <... futex resumed>)        = 0
[pid   456] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   457] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   456] <... futex resumed>)        = 0
[pid   457] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   456] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   457] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   455] <... mprotect resumed>)     = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   457] <... futex resumed>)        = 1
[pid   456] <... futex resumed>)        = 0
[pid   455] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   456] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   455] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   456] <... futex resumed>)        = 0
[pid   457] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   456] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   457] <... openat resumed>)       = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 458 attached
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   458] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   457] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   455] <... clone3 resumed> => {parent_tid=[458]}, 88) = 458
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   458] <... set_robust_list resumed>) = 0
[pid   457] <... futex resumed>)        = 1
[pid   456] <... futex resumed>)        = 0
[pid   455] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   458] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   457] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   456] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   455] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   458] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   458] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 459 attached
 <unfinished ...>
[pid   457] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   456] <... futex resumed>)        = 0
[pid   455] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   459] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   457] write(3, "\x38\x00", 2 <unfinished ...>
[pid   459] <... set_robust_list resumed>) = 0
[pid   458] <... futex resumed>)        = 0
[pid   457] <... write resumed>)        = 2
[pid   456] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   455] <... futex resumed>)        = 1
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 459
[pid   459] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   458] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   457] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   456] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   455] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   459] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   458] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   457] <... futex resumed>)        = 0
[pid   458] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   457] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   459] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   458] <... futex resumed>)        = 1
[pid   457] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   456] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   455] <... futex resumed>)        = 0
[pid   459] <... prctl resumed>)        = 0
[pid   458] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   457] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   459] setpgid(0, 0 <unfinished ...>
[pid   458] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   457] <... openat resumed>)       = 4
[pid   456] <... futex resumed>)        = 0
[pid   455] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   459] <... setpgid resumed>)      = 0
[pid   458] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   456] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   455] <... futex resumed>)        = 0
[pid   459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   455] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   458] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   457] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   458] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   457] <... futex resumed>)        = 1
[pid   456] <... futex resumed>)        = 0
[pid   459] <... openat resumed>)       = 3
[pid   458] <... futex resumed>)        = 1
[pid   457] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   458] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   459] write(3, "1000", 4 <unfinished ...>
[pid   456] exit_group(0 <unfinished ...>
[pid   455] <... futex resumed>)        = 0
[pid   459] <... write resumed>)        = 4
[pid   457] <... futex resumed>)        = ?
[pid   456] <... exit_group resumed>)   = ?
[pid   455] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   459] close(3 <unfinished ...>
[pid   457] +++ exited with 0 +++
[pid   312] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   456] +++ exited with 0 +++
[pid   455] <... futex resumed>)        = 1
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 460 attached
 <unfinished ...>
[pid   459] <... close resumed>)        = 0
[pid   458] <... futex resumed>)        = 0
[pid   455] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=456, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   460] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   459] write(1, "executing program\n", 18 <unfinished ...>
[pid   458] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   460] <... set_robust_list resumed>) = 0
[pid   459] <... write resumed>)        = 18
[pid   458] <... openat resumed>)       = 3
executing program
[pid   460] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   459] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   458] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 460
[pid   312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   460] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   459] <... futex resumed>)        = 0
[pid   458] <... futex resumed>)        = 1
[pid   455] <... futex resumed>)        = 0
[pid   459] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   459] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   458] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   455] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   458] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   459] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   458] write(3, "\x38\x00", 2 <unfinished ...>
[pid   455] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   459] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   458] <... write resumed>)        = 2
[pid   455] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   460] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   460] setpgid(0, 0 <unfinished ...>
[pid   459] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   458] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   460] <... setpgid resumed>)      = 0
[pid   460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   459] <... mmap resumed>)         = 0x7fb4de009000
[pid   458] <... futex resumed>)        = 1
[pid   455] <... futex resumed>)        = 0
[pid   460] <... openat resumed>)       = 3
[pid   460] write(3, "1000", 4)         = 4
[pid   460] close(3)                    = 0
[pid   460] write(1, "executing program\n", 18) = 18
[pid   460] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid   460] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   460] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   460] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 461 attached
[pid   460] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   459] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   458] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   455] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   459] <... mprotect resumed>)     = 0
[pid   461] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   460] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   461] <... set_robust_list resumed>) = 0
[pid   460] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   459] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   458] <... openat resumed>)       = 4
[pid   455] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 461
ci2-android-6-12-rust/strace-static-x86_64: Process 462 attached
[pid   461] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   459] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   458] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   460] <... clone3 resumed> => {parent_tid=[462]}, 88) = 462
[pid   459] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   462] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   461] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   460] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   458] <... futex resumed>)        = 0
[pid   455] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   462] <... set_robust_list resumed>) = 0
[pid   461] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   460] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   458] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   455] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   462] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   459] <... clone3 resumed> => {parent_tid=[463]}, 88) = 463
[pid   462] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   462] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   459] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   455] exit_group(0 <unfinished ...>
[pid   459] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   458] <... futex resumed>)        = ?
[pid   459] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   455] <... exit_group resumed>)   = ?
[pid   458] +++ exited with 0 +++
[pid   459] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 463 attached
[pid   461] <... prctl resumed>)        = 0
[pid   460] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   463] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   462] <... futex resumed>)        = 0
[pid   461] setpgid(0, 0 <unfinished ...>
[pid   460] <... futex resumed>)        = 1
[pid   463] <... set_robust_list resumed>) = 0
[pid   462] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   461] <... setpgid resumed>)      = 0
[pid   460] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   459] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   463] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   462] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   463] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   462] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   461] <... openat resumed>)       = 3
[pid   455] +++ exited with 0 +++
[pid   463] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   462] <... futex resumed>)        = 1
[pid   461] write(3, "1000", 4 <unfinished ...>
[pid   460] <... futex resumed>)        = 0
[pid   463] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   462] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   461] <... write resumed>)        = 4
[pid   463] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   461] close(3 <unfinished ...>
[pid   460] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=455, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   463] <... futex resumed>)        = 1
[pid   461] <... close resumed>)        = 0
[pid   459] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   463] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   462] <... futex resumed>)        = 0
[pid   461] write(1, "executing program\n", 18 <unfinished ...>
[pid   460] <... futex resumed>)        = 1
[pid   459] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   463] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
executing program
[pid   462] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   461] <... write resumed>)        = 18
[pid   459] <... futex resumed>)        = 0
[pid   460] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   463] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   461] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   459] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   462] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   461] <... futex resumed>)        = 0
[pid   461] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   463] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   462] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   461] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   463] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   462] <... futex resumed>)        = 1
[pid   461] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   460] <... futex resumed>)        = 0
[pid   463] <... futex resumed>)        = 1
[pid   462] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   460] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   459] <... futex resumed>)        = 0
[pid   463] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   462] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   461] <... mmap resumed>)         = 0x7fb4de009000
[pid   459] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   461] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   459] <... futex resumed>)        = 0
[pid   463] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   462] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   460] <... futex resumed>)        = 0
[pid   459] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   463] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   462] <... openat resumed>)       = 3
[pid   460] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   463] <... openat resumed>)       = 3
[pid   463] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   462] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   463] <... futex resumed>)        = 1
[pid   459] <... futex resumed>)        = 0
[pid   463] write(3, "\x38\x00", 2 <unfinished ...>
[pid   462] <... futex resumed>)        = 1
[pid   461] <... mprotect resumed>)     = 0
[pid   460] <... futex resumed>)        = 0
[pid   459] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   463] <... write resumed>)        = 2
[pid   462] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   461] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   460] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   459] <... futex resumed>)        = 0
[pid   461] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 464 attached
 <unfinished ...>
[pid   463] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   462] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   460] <... futex resumed>)        = 0
[pid   459] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   464] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   463] <... futex resumed>)        = 0
[pid   462] write(3, "\x38\x00", 2 <unfinished ...>
[pid   461] <... clone3 resumed> => {parent_tid=[464]}, 88) = 464
[pid   460] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   459] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   464] <... set_robust_list resumed>) = 0
[pid   463] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   462] <... write resumed>)        = 2
[pid   461] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   459] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   464] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   463] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   462] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   461] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   459] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   464] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   463] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   462] <... futex resumed>)        = 1
[pid   461] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   460] <... futex resumed>)        = 0
[pid   459] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   461] <... futex resumed>)        = 0
[pid   461] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   464] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   463] <... openat resumed>)       = 4
[pid   462] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   460] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   460] <... futex resumed>)        = 0
[pid   462] <... openat resumed>)       = 4
[pid   460] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   464] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   463] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   462] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   460] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   464] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   463] <... futex resumed>)        = 1
[pid   462] <... futex resumed>)        = 0
[pid   459] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   464] <... futex resumed>)        = 1
[pid   463] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   462] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   460] exit_group(0 <unfinished ...>
[pid   459] exit_group(0 <unfinished ...>
[pid   461] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 465 attached
[pid   464] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   463] <... futex resumed>)        = ?
[pid   462] <... futex resumed>)        = ?
[pid   461] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   460] <... exit_group resumed>)   = ?
[pid   459] <... exit_group resumed>)   = ?
[pid   465] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   464] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   463] +++ exited with 0 +++
[pid   462] +++ exited with 0 +++
[pid   461] <... futex resumed>)        = 0
[pid   461] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   465] <... set_robust_list resumed>) = 0
[pid   464] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   460] +++ exited with 0 +++
[pid   459] +++ exited with 0 +++
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 465
[pid   464] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=459, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=460, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   465] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   465] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   464] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   465] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   464] <... futex resumed>)        = 1
[pid   461] <... futex resumed>)        = 0
[pid   465] <... prctl resumed>)        = 0
[pid   465] setpgid(0, 0 <unfinished ...>
[pid   461] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   465] <... setpgid resumed>)      = 0
[pid   464] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   461] <... futex resumed>)        = 0
[pid   465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   461] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   464] <... openat resumed>)       = 3
[pid   465] <... openat resumed>)       = 3
[pid   464] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   465] write(3, "1000", 4 <unfinished ...>
[pid   461] <... futex resumed>)        = 0
[pid   465] <... write resumed>)        = 4
[pid   464] <... futex resumed>)        = 1
[pid   461] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   465] close(3 <unfinished ...>
[pid   464] write(3, "\x38\x00", 2 <unfinished ...>
[pid   461] <... futex resumed>)        = 0
[pid   464] <... write resumed>)        = 2
[pid   461] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   464] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   465] <... close resumed>)        = 0
[pid   461] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   465] write(1, "executing program\n", 18 <unfinished ...>
[pid   464] <... futex resumed>)        = 0
[pid   461] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   465] <... write resumed>)        = 18
executing program
[pid   464] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   465] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   464] <... openat resumed>)       = 4
[pid   465] <... futex resumed>)        = 0
[pid   465] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   465] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   464] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   465] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   464] <... futex resumed>)        = 0
[pid   465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   464] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   465] <... mmap resumed>)         = 0x7fb4de009000
[pid   465] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   465] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   464] <... futex resumed>)        = 0
[pid   461] <... futex resumed>)        = 1
[pid   461] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   465] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   464] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   465] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   461] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 466 attached
[pid   466] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   465] <... clone3 resumed> => {parent_tid=[466]}, 88) = 466
[pid   461] exit_group(0 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   466] <... set_robust_list resumed>) = 0
[pid   465] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   464] <... futex resumed>)        = ?
[pid   461] <... exit_group resumed>)   = ?
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   466] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   465] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   464] +++ exited with 0 +++
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   466] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   465] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   466] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   465] <... futex resumed>)        = 0
[pid   465] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   466] <... mkdirat resumed>)      = -1 EEXIST (File exists)
ci2-android-6-12-rust/strace-static-x86_64: Process 467 attached
[pid   466] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   465] <... futex resumed>)        = 0
[pid   466] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid   465] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   466] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   465] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 468 attached
[pid   466] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   465] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 468
[pid   468] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   467] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   468] <... set_robust_list resumed>) = 0
[pid   466] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   468] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   465] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   468] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   466] <... futex resumed>)        = 1
[pid   465] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   468] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   466] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   465] <... futex resumed>)        = 0
[pid   468] <... prctl resumed>)        = 0
[pid   466] <... openat resumed>)       = 3
[pid   465] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   468] setpgid(0, 0)               = 0
[pid   466] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   466] <... futex resumed>)        = 1
[pid   465] <... futex resumed>)        = 0
[pid   466] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   468] <... openat resumed>)       = 3
[pid   466] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   465] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   466] write(3, "\x38\x00", 2 <unfinished ...>
[pid   468] write(3, "1000", 4 <unfinished ...>
[pid   466] <... write resumed>)        = 2
[pid   465] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   468] <... write resumed>)        = 4
[pid   466] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   465] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   461] +++ exited with 0 +++
[pid   467] <... set_robust_list resumed>) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 467
[pid   468] close(3 <unfinished ...>
[pid   466] <... futex resumed>)        = 0
[pid   465] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=461, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   468] <... close resumed>)        = 0
[pid   467] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   466] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   465] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   468] write(1, "executing program\n", 18 <unfinished ...>
[pid   467] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid   466] <... openat resumed>)       = 4
[pid   465] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   468] <... write resumed>)        = 18
[pid   467] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   468] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   467] <... prctl resumed>)        = 0
[pid   466] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   468] <... futex resumed>)        = 0
[pid   467] setpgid(0, 0 <unfinished ...>
[pid   466] <... futex resumed>)        = 1
[pid   465] <... futex resumed>)        = 0
[pid   468] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   466] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   465] exit_group(0 <unfinished ...>
[pid   468] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   466] <... futex resumed>)        = ?
[pid   465] <... exit_group resumed>)   = ?
[pid   468] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   466] +++ exited with 0 +++
[pid   468] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   467] <... setpgid resumed>)      = 0
[pid   465] +++ exited with 0 +++
[pid   468] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=465, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   468] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   467] <... openat resumed>)       = 3
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   468] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   468] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 469 attached
 <unfinished ...>
[pid   469] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   468] <... clone3 resumed> => {parent_tid=[469]}, 88) = 469
[pid   467] write(3, "1000", 4 <unfinished ...>
[pid   469] <... set_robust_list resumed>) = 0
[pid   468] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   467] <... write resumed>)        = 4
[pid   469] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   468] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   469] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   468] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   467] close(3 <unfinished ...>
[pid   469] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   468] <... futex resumed>)        = 0
[pid   468] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   469] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   467] <... close resumed>)        = 0
[pid   469] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   467] write(1, "executing program\n", 18 <unfinished ...>
[pid   469] <... futex resumed>)        = 1
[pid   468] <... futex resumed>)        = 0
executing program
[pid   469] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   468] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   467] <... write resumed>)        = 18
[pid   469] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   468] <... futex resumed>)        = 0
[pid   467] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   469] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   468] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   467] <... futex resumed>)        = 0
[pid   469] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   467] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   469] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   467] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   469] <... futex resumed>)        = 1
[pid   468] <... futex resumed>)        = 0
[pid   467] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   469] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   468] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   469] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   468] <... futex resumed>)        = 0
[pid   467] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   469] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   468] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   469] <... openat resumed>)       = 3
[pid   467] <... mmap resumed>)         = 0x7fb4de009000
[pid   469] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   468] <... futex resumed>)        = 0
[pid   467] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   469] write(3, "\x38\x00", 2 <unfinished ...>
[pid   468] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   469] <... write resumed>)        = 2
[pid   468] <... futex resumed>)        = 0
[pid   469] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   468] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   469] <... futex resumed>)        = 0
[pid   468] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... restart_syscall resumed>) = 0
[pid   469] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   468] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   469] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   468] <... futex resumed>)        = 0
[pid   469] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   468] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   467] <... mprotect resumed>)     = 0
[pid   469] <... openat resumed>)       = 4
[pid   467] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   469] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   469] <... futex resumed>)        = 1
[pid   468] <... futex resumed>)        = 0
[pid   467] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 470 attached
[pid   469] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   468] exit_group(0 <unfinished ...>
[pid   467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   468] <... exit_group resumed>)   = ?
[pid   469] <... futex resumed>)        = ?
[pid   313] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 471 attached
[pid   469] +++ exited with 0 +++
[pid   467] <... clone3 resumed> => {parent_tid=[471]}, 88) = 471
[pid   470] set_robust_list(0x55557716c6a0, 24) = 0
[pid   467] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   471] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   470] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   468] +++ exited with 0 +++
[pid   467] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 470
[pid   471] <... set_robust_list resumed>) = 0
[pid   470] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   467] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   471] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   471] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   470] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   467] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=468, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   470] <... prctl resumed>)        = 0
[pid   467] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   471] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
ci2-android-6-12-rust/strace-static-x86_64: Process 472 attached
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   470] setpgid(0, 0 <unfinished ...>
[pid   472] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   470] <... setpgid resumed>)      = 0
[pid   472] <... set_robust_list resumed>) = 0
[pid   471] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 472
[pid   472] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   471] <... futex resumed>)        = 1
[pid   467] <... futex resumed>)        = 0
[pid   472] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   471] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   470] <... openat resumed>)       = 3
[pid   467] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   471] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   470] write(3, "1000", 4 <unfinished ...>
[pid   471] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   467] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   472] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   470] <... write resumed>)        = 4
[pid   467] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   472] <... prctl resumed>)        = 0
[pid   471] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   470] close(3 <unfinished ...>
[pid   472] setpgid(0, 0 <unfinished ...>
[pid   471] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   470] <... close resumed>)        = 0
[pid   472] <... setpgid resumed>)      = 0
[pid   467] <... futex resumed>)        = 0
[pid   471] <... futex resumed>)        = 1
[pid   467] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   471] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid   470] write(1, "executing program\n", 18 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   471] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   467] <... futex resumed>)        = 0
[pid   471] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   470] <... write resumed>)        = 18
executing program
[pid   470] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   467] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   470] <... futex resumed>)        = 0
[pid   467] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   472] <... openat resumed>)       = 3
[pid   470] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   467] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   472] write(3, "1000", 4 <unfinished ...>
[pid   470] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   467] <... futex resumed>)        = 1
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   472] <... write resumed>)        = 4
[pid   470] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   467] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   472] close(3 <unfinished ...>
[pid   471] <... futex resumed>)        = 0
[pid   470] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   472] <... close resumed>)        = 0
[pid   471] write(3, "\x38\x00", 2 <unfinished ...>
[pid   470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 473 attached
 <unfinished ...>
[pid   472] write(1, "executing program\n", 18 <unfinished ...>
[pid   471] <... write resumed>)        = 2
executing program
[pid   473] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   472] <... write resumed>)        = 18
[pid   471] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   470] <... mmap resumed>)         = 0x7fb4de009000
[pid   473] <... set_robust_list resumed>) = 0
[pid   471] <... futex resumed>)        = 1
[pid   467] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 473
[pid   473] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   472] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   471] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   470] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   467] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   473] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   472] <... futex resumed>)        = 0
[pid   471] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   470] <... mprotect resumed>)     = 0
[pid   467] <... futex resumed>)        = 0
[pid   473] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   472] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   471] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   473] <... prctl resumed>)        = 0
[pid   472] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   470] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   467] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   473] setpgid(0, 0 <unfinished ...>
[pid   472] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   471] <... openat resumed>)       = 4
[pid   473] <... setpgid resumed>)      = 0
[pid   472] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   470] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   471] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   472] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   471] <... futex resumed>)        = 1
[pid   470] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   467] <... futex resumed>)        = 0
[pid   473] <... openat resumed>)       = 3
[pid   473] write(3, "1000", 4)         = 4
[pid   473] close(3)                    = 0
executing program
[pid   473] write(1, "executing program\n", 18) = 18
[pid   473] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   473] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   473] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   473] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   473] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 474 attached
 => {parent_tid=[474]}, 88) = 474
[pid   474] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   473] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   472] <... mmap resumed>)         = 0x7fb4de009000
[pid   471] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   467] exit_group(0 <unfinished ...>
[pid   474] <... set_robust_list resumed>) = 0
[pid   473] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 475 attached
[pid   474] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   473] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   472] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   471] <... futex resumed>)        = ?
[pid   467] <... exit_group resumed>)   = ?
[pid   475] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   474] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   473] <... futex resumed>)        = 0
[pid   472] <... mprotect resumed>)     = 0
[pid   475] <... set_robust_list resumed>) = 0
[pid   474] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   473] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   471] +++ exited with 0 +++
[pid   475] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   474] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   475] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   474] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   473] <... futex resumed>)        = 0
[pid   474] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   467] +++ exited with 0 +++
[pid   470] <... clone3 resumed> => {parent_tid=[475]}, 88) = 475
[pid   474] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   473] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   472] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   470] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=467, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   474] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   473] <... futex resumed>)        = 0
[pid   472] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   470] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   474] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   473] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   474] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   472] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   470] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   473] <... futex resumed>)        = 0
[pid   470] <... futex resumed>)        = 1
[pid   475] <... futex resumed>)        = 0
[pid   474] <... futex resumed>)        = 1
[pid   473] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   470] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   475] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   474] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   473] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 476 attached
[pid   475] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   474] <... openat resumed>)       = 3
[pid   473] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   476] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   475] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   474] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   473] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   472] <... clone3 resumed> => {parent_tid=[476]}, 88) = 476
[pid   476] <... set_robust_list resumed>) = 0
[pid   475] <... futex resumed>)        = 1
[pid   474] <... futex resumed>)        = 0
[pid   473] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   470] <... futex resumed>)        = 0
[pid   476] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   475] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   474] write(3, "\x38\x00", 2 <unfinished ...>
[pid   473] <... futex resumed>)        = 0
[pid   472] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   470] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   476] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   475] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   474] <... write resumed>)        = 2
[pid   473] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   472] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   470] <... futex resumed>)        = 0
[pid   476] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   475] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   474] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   473] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   472] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   470] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   476] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   472] <... futex resumed>)        = 0
[pid   476] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   475] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   474] <... futex resumed>)        = 0
[pid   473] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   472] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   476] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   474] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   473] <... futex resumed>)        = 0
[pid   476] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   475] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   474] <... openat resumed>)       = 4
[pid   473] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   476] <... futex resumed>)        = 1
[pid   475] <... futex resumed>)        = 1
[pid   472] <... futex resumed>)        = 0
[pid   470] <... futex resumed>)        = 0
[pid   472] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   470] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   476] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   475] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   474] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   470] <... futex resumed>)        = 0
[pid   472] <... futex resumed>)        = 0
[pid   476] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   475] <... openat resumed>)       = 3
[pid   474] <... futex resumed>)        = 1
[pid   473] <... futex resumed>)        = 0
[pid   476] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   475] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   474] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   473] exit_group(0 <unfinished ...>
[pid   472] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   470] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   476] <... futex resumed>)        = 0
[pid   475] <... futex resumed>)        = 0
[pid   474] <... futex resumed>)        = ?
[pid   473] <... exit_group resumed>)   = ?
[pid   472] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   470] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   476] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   475] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   474] +++ exited with 0 +++
[pid   473] +++ exited with 0 +++
[pid   472] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   470] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   476] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   475] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   472] <... futex resumed>)        = 0
[pid   470] <... futex resumed>)        = 0
[pid   476] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   475] write(3, "\x38\x00", 2 <unfinished ...>
[pid   476] <... openat resumed>)       = 3
[pid   475] <... write resumed>)        = 2
[pid   470] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=473, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   472] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   476] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   475] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   476] <... futex resumed>)        = 1
[pid   475] <... futex resumed>)        = 1
[pid   476] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   475] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   472] <... futex resumed>)        = 0
[pid   470] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   472] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   470] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   476] <... futex resumed>)        = 0
[pid   475] <... futex resumed>)        = 0
[pid   472] <... futex resumed>)        = 1
[pid   470] <... futex resumed>)        = 1
[pid   476] write(3, "\x38\x00", 2 <unfinished ...>
[pid   475] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   476] <... write resumed>)        = 2
[pid   475] <... openat resumed>)       = 4
[pid   472] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   470] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   476] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   475] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   476] <... futex resumed>)        = 0
[pid   475] <... futex resumed>)        = 0
[pid   472] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   470] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   476] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   475] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   472] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   476] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   470] exit_group(0 <unfinished ...>
[pid   472] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   476] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   475] <... futex resumed>)        = ?
[pid   472] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   470] <... exit_group resumed>)   = ?
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   476] <... openat resumed>)       = 4
[pid   476] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   475] +++ exited with 0 +++
[pid   476] <... futex resumed>)        = 1
[pid   476] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   472] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 477 attached
[pid   472] exit_group(0 <unfinished ...>
[pid   476] <... futex resumed>)        = ?
[pid   476] +++ exited with 0 +++
[pid   472] <... exit_group resumed>)   = ?
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 477
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   477] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   472] +++ exited with 0 +++
[pid   470] +++ exited with 0 +++
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   477] <... set_robust_list resumed>) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=470, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   477] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=472, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   477] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   477] setpgid(0, 0)               = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 478 attached
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 478
[pid   478] set_robust_list(0x55557716c6a0, 24) = 0
[pid   477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   478] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   478] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   478] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   477] <... openat resumed>)       = 3
[pid   478] <... prctl resumed>)        = 0
[pid   477] write(3, "1000", 4 <unfinished ...>
[pid   478] setpgid(0, 0)               = 0
[pid   477] <... write resumed>)        = 4
[pid   478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   477] close(3)                    = 0
[pid   477] write(1, "executing program\n", 18) = 18
[pid   477] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   477] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   477] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   478] <... openat resumed>)       = 3
[pid   478] write(3, "1000", 4 <unfinished ...>
[pid   477] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   478] <... write resumed>)        = 4
[pid   477] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   478] close(3 <unfinished ...>
[pid   477] <... mmap resumed>)         = 0x7fb4de009000
[pid   478] <... close resumed>)        = 0
executing program
[pid   477] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   477] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   478] write(1, "executing program\n", 18) = 18
[pid   477] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   478] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid   477] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 479 attached
 <unfinished ...>
[pid   478] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   477] <... clone3 resumed> => {parent_tid=[479]}, 88) = 479
[pid   478] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   477] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   477] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   477] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   479] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   478] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   479] <... set_robust_list resumed>) = 0
[pid   479] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   479] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   478] <... mmap resumed>)         = 0x7fb4de009000
[pid   479] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   479] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   478] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   479] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   477] <... futex resumed>)        = 0
[pid   477] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   479] <... futex resumed>)        = 0
[pid   478] <... mprotect resumed>)     = 0
[pid   477] <... futex resumed>)        = 1
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   479] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   477] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   479] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   479] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   477] <... futex resumed>)        = 0
[pid   479] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid   477] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   479] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   477] <... futex resumed>)        = 0
[pid   478] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 480 attached
[pid   479] <... openat resumed>)       = 3
[pid   477] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   480] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   479] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   478] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   477] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   480] <... set_robust_list resumed>) = 0
[pid   479] <... futex resumed>)        = 0
[pid   477] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 481 attached
[pid   480] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   479] write(3, "\x38\x00", 2 <unfinished ...>
[pid   477] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 480
[pid   481] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   480] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   479] <... write resumed>)        = 2
[pid   478] <... clone3 resumed> => {parent_tid=[481]}, 88) = 481
[pid   477] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   481] <... set_robust_list resumed>) = 0
[pid   480] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   479] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   478] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   477] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   481] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   478] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   481] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   478] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   481] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   478] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   480] <... prctl resumed>)        = 0
[pid   479] <... futex resumed>)        = 0
[pid   477] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   480] setpgid(0, 0 <unfinished ...>
[pid   479] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   477] <... futex resumed>)        = 0
[pid   480] <... setpgid resumed>)      = 0
[pid   479] <... openat resumed>)       = 4
[pid   477] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 482 attached
 <unfinished ...>
[pid   480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   479] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   478] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   477] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   482] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   481] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   480] <... openat resumed>)       = 3
[pid   479] <... futex resumed>)        = 0
[pid   477] exit_group(0 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 482
[pid   482] <... set_robust_list resumed>) = 0
[pid   481] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   480] write(3, "1000", 4 <unfinished ...>
[pid   477] <... exit_group resumed>)   = ?
[pid   482] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   481] <... futex resumed>)        = 1
[pid   480] <... write resumed>)        = 4
[pid   479] +++ exited with 0 +++
[pid   478] <... futex resumed>)        = 0
[pid   477] +++ exited with 0 +++
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   482] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   481] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   480] close(3 <unfinished ...>
[pid   478] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   481] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   480] <... close resumed>)        = 0
[pid   478] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=477, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   482] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   481] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   480] write(1, "executing program\n", 18 <unfinished ...>
[pid   478] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   482] <... prctl resumed>)        = 0
[pid   480] <... write resumed>)        = 18
[pid   482] setpgid(0, 0 <unfinished ...>
[pid   481] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   482] <... setpgid resumed>)      = 0
executing program
[pid   481] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   481] <... futex resumed>)        = 1
[pid   480] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   478] <... futex resumed>)        = 0
[pid   480] <... futex resumed>)        = 0
[pid   480] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   481] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   480] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   478] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   481] <... openat resumed>)       = 3
[pid   480] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   478] <... futex resumed>)        = 0
[pid   482] <... openat resumed>)       = 3
[pid   480] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   478] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   481] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   482] write(3, "1000", 4 <unfinished ...>
[pid   481] <... futex resumed>)        = 0
[pid   480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   478] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   482] <... write resumed>)        = 4
[pid   480] <... mmap resumed>)         = 0x7fb4de009000
[pid   478] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   481] write(3, "\x38\x00", 2 <unfinished ...>
[pid   480] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   478] <... futex resumed>)        = 0
[pid   482] close(3 <unfinished ...>
[pid   480] <... mprotect resumed>)     = 0
[pid   480] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   480] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 483 attached
 <unfinished ...>
[pid   483] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   480] <... clone3 resumed> => {parent_tid=[483]}, 88) = 483
[pid   483] <... set_robust_list resumed>) = 0
[pid   480] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   483] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   480] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   483] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   480] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   483] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   480] <... futex resumed>)        = 0
[pid   483] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   480] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   483] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   480] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   483] <... futex resumed>)        = 0
[pid   480] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   483] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   480] <... futex resumed>)        = 0
[pid   483] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   480] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   483] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   480] <... futex resumed>)        = 0
[pid   483] <... futex resumed>)        = 1
[pid   483] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   480] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   483] <... openat resumed>)       = 3
[pid   480] <... futex resumed>)        = 0
[pid   480] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   483] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   480] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   483] <... futex resumed>)        = 0
[pid   480] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   483] write(3, "\x38\x00", 2 <unfinished ...>
[pid   480] <... futex resumed>)        = 0
[pid   483] <... write resumed>)        = 2
[pid   483] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   480] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   483] <... futex resumed>)        = 0
[pid   480] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 484 attached
[pid   483] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   482] <... close resumed>)        = 0
[pid   481] <... write resumed>)        = 2
[pid   478] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   482] write(1, "executing program\n", 18 <unfinished ...>
[pid   481] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   478] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 484
[pid   482] <... write resumed>)        = 18
[pid   481] <... futex resumed>)        = 0
[pid   478] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   482] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   478] <... futex resumed>)        = 0
[pid   482] <... futex resumed>)        = 0
executing program
[pid   478] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   482] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   484] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   483] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   482] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   480] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   484] <... set_robust_list resumed>) = 0
[pid   483] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   482] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   480] <... futex resumed>)        = 0
[pid   484] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   483] <... openat resumed>)       = 4
[pid   481] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   480] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   484] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   483] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   482] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   481] <... openat resumed>)       = 4
[pid   480] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   484] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   483] <... futex resumed>)        = 0
[pid   482] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   481] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   480] exit_group(0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   484] <... prctl resumed>)        = 0
[pid   482] <... mmap resumed>)         = 0x7fb4de009000
[pid   481] <... futex resumed>)        = 1
[pid   480] <... exit_group resumed>)   = ?
[pid   478] <... futex resumed>)        = 0
[pid   484] setpgid(0, 0 <unfinished ...>
[pid   483] +++ exited with 0 +++
[pid   482] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   481] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   480] +++ exited with 0 +++
[pid   484] <... setpgid resumed>)      = 0
[pid   478] exit_group(0 <unfinished ...>
[pid   484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   482] <... mprotect resumed>)     = 0
[pid   478] <... exit_group resumed>)   = ?
[pid   484] <... openat resumed>)       = 3
[pid   481] <... futex resumed>)        = ?
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=480, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   484] write(3, "1000", 4 <unfinished ...>
[pid   482] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   481] +++ exited with 0 +++
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   484] <... write resumed>)        = 4
[pid   484] close(3)                    = 0
[pid   484] write(1, "executing program\n", 18) = 18
[pid   484] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   484] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   484] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   482] <... rt_sigprocmask resumed>, [], 8) = 0
executing program
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   482] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   484] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   484] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   484] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   484] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   484] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 486 attached
 <unfinished ...>
[pid   486] set_robust_list(0x7fb4de0299a0, 24ci2-android-6-12-rust/strace-static-x86_64: Process 487 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 485 attached
) = 0
[pid   484] <... clone3 resumed> => {parent_tid=[486]}, 88) = 486
[pid   485] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   486] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   484] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   485] <... set_robust_list resumed>) = 0
[pid   486] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   484] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   478] +++ exited with 0 +++
[pid   485] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   486] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   484] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   485] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   486] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   484] <... futex resumed>)        = 0
[pid   487] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   485] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   486] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   484] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   482] <... clone3 resumed> => {parent_tid=[487]}, 88) = 487
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 485
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=478, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   487] <... set_robust_list resumed>) = 0
[pid   482] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   485] <... prctl resumed>)        = 0
[pid   486] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   482] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   487] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   485] setpgid(0, 0 <unfinished ...>
[pid   486] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   482] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   487] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   485] <... setpgid resumed>)      = 0
[pid   486] <... futex resumed>)        = 1
[pid   484] <... futex resumed>)        = 0
[pid   482] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   487] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   486] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   484] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   482] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   487] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   485] <... openat resumed>)       = 3
[pid   486] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   484] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   487] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   482] <... futex resumed>)        = 0
[pid   485] write(3, "1000", 4 <unfinished ...>
[pid   487] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   486] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   484] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   482] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   487] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   485] <... write resumed>)        = 4
[pid   486] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   482] <... futex resumed>)        = 0
[pid   487] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   485] close(3 <unfinished ...>
[pid   486] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   482] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   487] <... futex resumed>)        = 0
[pid   485] <... close resumed>)        = 0
[pid   486] <... futex resumed>)        = 1
[pid   484] <... futex resumed>)        = 0
[pid   482] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   487] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   485] write(1, "executing program\n", 18 <unfinished ...>
[pid   486] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   484] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   482] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid   487] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   485] <... write resumed>)        = 18
[pid   486] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   484] <... futex resumed>)        = 0
[pid   482] <... futex resumed>)        = 0
[pid   487] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   485] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   486] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   484] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   482] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   487] <... openat resumed>)       = 3
[pid   485] <... futex resumed>)        = 0
[pid   486] <... openat resumed>)       = 3
[pid   487] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   485] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   486] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   487] <... futex resumed>)        = 1
[pid   485] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   482] <... futex resumed>)        = 0
[pid   487] write(3, "\x38\x00", 2 <unfinished ...>
[pid   485] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   486] <... futex resumed>)        = 1
[pid   484] <... futex resumed>)        = 0
[pid   482] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   487] <... write resumed>)        = 2
[pid   485] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   486] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   484] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   482] <... futex resumed>)        = 0
[pid   487] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   486] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   484] <... futex resumed>)        = 0
[pid   487] <... futex resumed>)        = 0
[pid   485] <... mmap resumed>)         = 0x7fb4de009000
[pid   486] write(3, "\x38\x00", 2 <unfinished ...>
[pid   484] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   482] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   487] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   485] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   486] <... write resumed>)        = 2
[pid   482] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   485] <... mprotect resumed>)     = 0
[pid   486] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   482] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   485] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   486] <... futex resumed>)        = 1
[pid   484] <... futex resumed>)        = 0
[pid   487] <... futex resumed>)        = 0
[pid   486] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   484] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   482] <... futex resumed>)        = 1
[pid   487] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   485] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   486] <... openat resumed>)       = 4
[pid   484] <... futex resumed>)        = 0
[pid   482] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   487] <... openat resumed>)       = 4
[pid   485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   484] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   487] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   486] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   485] <... clone3 resumed> => {parent_tid=[488]}, 88) = 488
[pid   486] <... futex resumed>)        = 1
[pid   484] <... futex resumed>)        = 0
[pid   485] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   486] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   484] exit_group(0 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   485] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   486] <... futex resumed>)        = ?
[pid   484] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 488 attached
[pid   487] <... futex resumed>)        = 1
[pid   485] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   486] +++ exited with 0 +++
[pid   484] +++ exited with 0 +++
[pid   482] <... futex resumed>)        = 0
[pid   488] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   487] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   482] exit_group(0 <unfinished ...>
[pid   485] <... futex resumed>)        = 0
[pid   488] <... set_robust_list resumed>) = 0
[pid   487] <... futex resumed>)        = ?
[pid   485] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   482] <... exit_group resumed>)   = ?
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=484, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   488] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   487] +++ exited with 0 +++
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   488] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   488] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   488] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   488] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   488] <... futex resumed>)        = 1
[pid   485] <... futex resumed>)        = 0
[pid   482] +++ exited with 0 +++
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   488] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=482, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 489 attached
[pid   485] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   485] <... futex resumed>)        = 1
[pid   485] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 489
[pid   489] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   488] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 490 attached
[pid   489] <... set_robust_list resumed>) = 0
[pid   488] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   489] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   490] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   488] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 490
[pid   490] <... set_robust_list resumed>) = 0
[pid   489] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   488] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   490] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   489] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   488] <... futex resumed>)        = 1
[pid   485] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   485] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   485] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   490] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   488] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   489] <... prctl resumed>)        = 0
[pid   490] <... prctl resumed>)        = 0
[pid   489] setpgid(0, 0 <unfinished ...>
[pid   490] setpgid(0, 0 <unfinished ...>
[pid   488] <... openat resumed>)       = 3
[pid   489] <... setpgid resumed>)      = 0
[pid   490] <... setpgid resumed>)      = 0
[pid   488] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   488] <... futex resumed>)        = 1
[pid   485] <... futex resumed>)        = 0
[pid   490] <... openat resumed>)       = 3
[pid   489] <... openat resumed>)       = 3
[pid   488] write(3, "\x38\x00", 2 <unfinished ...>
[pid   485] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   490] write(3, "1000", 4 <unfinished ...>
[pid   485] <... futex resumed>)        = 0
[pid   490] <... write resumed>)        = 4
[pid   485] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   490] close(3)                    = 0
[pid   490] write(1, "executing program\n", 18) = 18
executing program
[pid   490] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   489] write(3, "1000", 4 <unfinished ...>
[pid   488] <... write resumed>)        = 2
[pid   489] <... write resumed>)        = 4
[pid   489] close(3 <unfinished ...>
[pid   488] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   490] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   489] <... close resumed>)        = 0
[pid   488] <... futex resumed>)        = 1
[pid   485] <... futex resumed>)        = 0
[pid   490] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   489] write(1, "executing program\n", 18 <unfinished ...>
[pid   488] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   485] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   490] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid   489] <... write resumed>)        = 18
[pid   488] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   485] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   490] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   488] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   485] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   490] <... mmap resumed>)         = 0x7fb4de009000
[pid   489] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   490] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   489] <... futex resumed>)        = 0
[pid   488] <... openat resumed>)       = 4
[pid   490] <... mprotect resumed>)     = 0
[pid   489] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   488] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   490] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   489] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   490] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   490] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 491 attached
 <unfinished ...>
[pid   491] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   490] <... clone3 resumed> => {parent_tid=[491]}, 88) = 491
[pid   491] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   490] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   491] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   489] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 492 attached
 <unfinished ...>
[pid   491] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   490] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   489] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   488] <... futex resumed>)        = 1
[pid   485] <... futex resumed>)        = 0
[pid   492] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   491] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   490] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   489] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   485] exit_group(0 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 492
[pid   491] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   488] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   489] <... mmap resumed>)         = 0x7fb4de009000
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   489] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   492] <... set_robust_list resumed>) = 0
[pid   491] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   490] <... futex resumed>)        = 0
[pid   489] <... mprotect resumed>)     = 0
[pid   488] <... futex resumed>)        = ?
[pid   485] <... exit_group resumed>)   = ?
[pid   492] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   491] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   490] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   489] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   492] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   491] <... futex resumed>)        = 0
[pid   490] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   492] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   491] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   490] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   492] <... prctl resumed>)        = 0
[pid   491] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   490] <... futex resumed>)        = 0
[pid   492] setpgid(0, 0 <unfinished ...>
[pid   491] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   490] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   492] <... setpgid resumed>)      = 0
[pid   491] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   488] +++ exited with 0 +++
[pid   485] +++ exited with 0 +++
[pid   492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   491] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   489] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   489] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=485, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 493 attached
[pid   492] <... openat resumed>)       = 3
[pid   491] <... futex resumed>)        = 1
[pid   490] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   492] write(3, "1000", 4 <unfinished ...>
[pid   491] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   490] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   492] <... write resumed>)        = 4
[pid   491] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   490] <... futex resumed>)        = 0
[pid   493] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   492] close(3 <unfinished ...>
[pid   491] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   490] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   489] <... clone3 resumed> => {parent_tid=[493]}, 88) = 493
[pid   493] <... set_robust_list resumed>) = 0
[pid   492] <... close resumed>)        = 0
[pid   491] <... openat resumed>)       = 3
[pid   489] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
executing program
[pid   492] write(1, "executing program\n", 18 <unfinished ...>
[pid   491] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   489] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   493] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   492] <... write resumed>)        = 18
[pid   490] <... futex resumed>)        = 0
[pid   493] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   492] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   491] <... futex resumed>)        = 1
[pid   490] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   489] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   492] <... futex resumed>)        = 0
[pid   491] write(3, "\x38\x00", 2 <unfinished ...>
[pid   490] <... futex resumed>)        = 0
[pid   489] <... futex resumed>)        = 0
[pid   492] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   491] <... write resumed>)        = 2
[pid   490] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   492] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   491] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   490] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   489] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   492] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   491] <... futex resumed>)        = 0
[pid   490] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   492] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   491] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   490] <... futex resumed>)        = 0
[pid   492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   491] <... openat resumed>)       = 4
[pid   490] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   492] <... mmap resumed>)         = 0x7fb4de009000
[pid   492] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   491] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   492] <... mprotect resumed>)     = 0
[pid   491] <... futex resumed>)        = 1
[pid   490] <... futex resumed>)        = 0
[pid   490] exit_group(0 <unfinished ...>
[pid   493] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid   492] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   490] <... exit_group resumed>)   = ?
[pid   493] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   492] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   491] +++ exited with 0 +++
[pid   490] +++ exited with 0 +++
[pid   493] <... futex resumed>)        = 1
[pid   489] <... futex resumed>)        = 0
[pid   493] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   489] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   493] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=490, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   493] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   489] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   489] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   492] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 494 attached
 <unfinished ...>
[pid   493] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   494] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   493] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   492] <... clone3 resumed> => {parent_tid=[494]}, 88) = 494
[pid   494] <... set_robust_list resumed>) = 0
[pid   492] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   494] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   493] <... futex resumed>)        = 1
[pid   492] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   489] <... futex resumed>)        = 0
[pid   494] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   493] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   492] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   494] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   493] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   492] <... futex resumed>)        = 0
[pid   489] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   494] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   493] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   492] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   489] <... futex resumed>)        = 0
[pid   494] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   493] <... openat resumed>)       = 3
[pid   489] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   494] <... futex resumed>)        = 1
[pid   493] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   492] <... futex resumed>)        = 0
[pid   489] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   494] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   493] <... futex resumed>)        = 0
[pid   492] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   494] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   493] write(3, "\x38\x00", 2 <unfinished ...>
[pid   492] <... futex resumed>)        = 0
[pid   489] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   494] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   493] <... write resumed>)        = 2
[pid   492] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   489] <... futex resumed>)        = 0
[pid   494] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   494] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   493] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   489] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   493] <... futex resumed>)        = 0
[pid   489] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   494] <... futex resumed>)        = 1
[pid   492] <... futex resumed>)        = 0
[pid   494] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   492] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   494] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   492] <... futex resumed>)        = 0
[pid   494] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   492] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   494] <... openat resumed>)       = 3
[pid   494] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   492] <... futex resumed>)        = 0
[pid   492] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   489] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   493] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 495 attached
[pid   494] <... futex resumed>)        = 1
[pid   492] <... futex resumed>)        = 0
[pid   495] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   494] write(3, "\x38\x00", 2 <unfinished ...>
[pid   492] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   495] <... set_robust_list resumed>) = 0
[pid   494] <... write resumed>)        = 2
[pid   495] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   494] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   489] <... futex resumed>)        = 0
[pid   495] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   494] <... futex resumed>)        = 1
[pid   492] <... futex resumed>)        = 0
[pid   493] <... openat resumed>)       = 4
[pid   495] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   494] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   493] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   492] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   489] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   494] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   493] <... futex resumed>)        = 0
[pid   492] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 495
[pid   495] <... prctl resumed>)        = 0
[pid   494] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   493] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   492] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   489] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   495] setpgid(0, 0 <unfinished ...>
[pid   494] <... openat resumed>)       = 4
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   495] <... setpgid resumed>)      = 0
[pid   494] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   489] exit_group(0 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   493] <... futex resumed>)        = ?
[pid   489] <... exit_group resumed>)   = ?
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   493] +++ exited with 0 +++
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   495] <... openat resumed>)       = 3
[pid   494] <... futex resumed>)        = 1
[pid   492] <... futex resumed>)        = 0
[pid   495] write(3, "1000", 4 <unfinished ...>
[pid   494] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   492] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 496 attached
 <unfinished ...>
[pid   495] <... write resumed>)        = 4
[pid   494] <... futex resumed>)        = ?
[pid   492] <... exit_group resumed>)   = ?
[pid   496] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   495] close(3 <unfinished ...>
[pid   494] +++ exited with 0 +++
[pid   489] +++ exited with 0 +++
[pid   495] <... close resumed>)        = 0
[pid   496] <... set_robust_list resumed>) = 0
[pid   495] write(1, "executing program\n", 18 <unfinished ...>
[pid   492] +++ exited with 0 +++
executing program
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 496
[pid   496] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   495] <... write resumed>)        = 18
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   496] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   495] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=492, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=489, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   496] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   495] <... futex resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   496] <... prctl resumed>)        = 0
[pid   495] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   496] setpgid(0, 0 <unfinished ...>
[pid   495] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   496] <... setpgid resumed>)      = 0
[pid   495] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   495] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   496] <... openat resumed>)       = 3
[pid   495] <... mmap resumed>)         = 0x7fb4de009000
[pid   495] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   496] write(3, "1000", 4 <unfinished ...>
[pid   495] <... mprotect resumed>)     = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   496] <... write resumed>)        = 4
[pid   495] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   496] close(3)                    = 0
[pid   496] write(1, "executing program\n", 18 <unfinished ...>
[pid   495] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   496] <... write resumed>)        = 18
[pid   495] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 497 attached
executing program
 <unfinished ...>
[pid   496] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   496] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   495] <... clone3 resumed> => {parent_tid=[497]}, 88) = 497
[pid   496] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   495] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   496] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   495] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   496] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   495] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   496] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   495] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   496] <... mprotect resumed>)     = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 498 attached
[pid   497] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   496] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   497] <... set_robust_list resumed>) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 498
[pid   497] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   498] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   497] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   496] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   498] <... set_robust_list resumed>) = 0
[pid   497] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   496] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   498] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   497] <... mkdirat resumed>)      = -1 EEXIST (File exists)
ci2-android-6-12-rust/strace-static-x86_64: Process 499 attached
[pid   498] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   497] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   496] <... clone3 resumed> => {parent_tid=[499]}, 88) = 499
[pid   499] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   498] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   496] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   499] <... set_robust_list resumed>) = 0
[pid   497] <... futex resumed>)        = 1
[pid   499] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   498] <... prctl resumed>)        = 0
[pid   497] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   496] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   495] <... futex resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   499] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   498] setpgid(0, 0 <unfinished ...>
[pid   496] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   495] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   499] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   498] <... setpgid resumed>)      = 0
[pid   497] <... futex resumed>)        = 0
[pid   497] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   499] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   499] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   497] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   496] <... futex resumed>)        = 0
[pid   495] <... futex resumed>)        = 1
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   499] <... futex resumed>)        = 0
[pid   497] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   496] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   499] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   497] <... futex resumed>)        = 0
[pid   496] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   495] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   498] <... openat resumed>)       = 3
[pid   497] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   496] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   499] <... futex resumed>)        = 0
[pid   496] <... futex resumed>)        = 1
[pid   499] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   496] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   499] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   499] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   496] <... futex resumed>)        = 0
[pid   496] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   496] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   499] <... futex resumed>)        = 1
[pid   499] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid   499] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   496] <... futex resumed>)        = 0
[pid   496] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   499] <... futex resumed>)        = 1
[pid   496] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   499] write(3, "\x38\x00", 2)     = 2
[pid   498] write(3, "1000", 4 <unfinished ...>
[pid   495] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 500 attached
[pid   498] <... write resumed>)        = 4
[pid   495] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   499] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   498] close(3 <unfinished ...>
[pid   497] <... futex resumed>)        = 0
[pid   495] <... futex resumed>)        = 1
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 500
[pid   500] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   499] <... futex resumed>)        = 1
[pid   498] <... close resumed>)        = 0
[pid   497] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   496] <... futex resumed>)        = 0
[pid   495] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   500] <... set_robust_list resumed>) = 0
[pid   499] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
executing program
[pid   498] write(1, "executing program\n", 18 <unfinished ...>
[pid   497] <... openat resumed>)       = 3
[pid   496] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   500] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   499] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   498] <... write resumed>)        = 18
[pid   499] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   496] <... futex resumed>)        = 0
[pid   500] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   499] <... openat resumed>)       = 4
[pid   498] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   497] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   496] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   499] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   498] <... futex resumed>)        = 0
[pid   500] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   499] <... futex resumed>)        = 0
[pid   498] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   497] <... futex resumed>)        = 1
[pid   495] <... futex resumed>)        = 0
[pid   500] <... prctl resumed>)        = 0
[pid   499] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   498] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   497] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   495] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   500] setpgid(0, 0 <unfinished ...>
[pid   498] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   497] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   495] <... futex resumed>)        = 0
[pid   500] <... setpgid resumed>)      = 0
[pid   498] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   497] write(3, "\x38\x00", 2 <unfinished ...>
[pid   495] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   498] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   497] <... write resumed>)        = 2
[pid   500] <... openat resumed>)       = 3
[pid   498] <... mmap resumed>)         = 0x7fb4de009000
[pid   497] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   496] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   496] exit_group(0 <unfinished ...>
[pid   499] <... futex resumed>)        = ?
[pid   496] <... exit_group resumed>)   = ?
[pid   500] write(3, "1000", 4 <unfinished ...>
[pid   499] +++ exited with 0 +++
[pid   498] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   497] <... futex resumed>)        = 1
[pid   496] +++ exited with 0 +++
[pid   495] <... futex resumed>)        = 0
[pid   500] <... write resumed>)        = 4
[pid   495] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   500] close(3 <unfinished ...>
[pid   498] <... mprotect resumed>)     = 0
[pid   497] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   495] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=496, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   500] <... close resumed>)        = 0
[pid   500] write(1, "executing program\n", 18 <unfinished ...>
[pid   495] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   498] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   497] <... openat resumed>)       = 4
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   500] <... write resumed>)        = 18
executing program
[pid   498] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   500] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   498] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 501 attached
 <unfinished ...>
[pid   501] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   498] <... clone3 resumed> => {parent_tid=[501]}, 88) = 501
[pid   501] <... set_robust_list resumed>) = 0
[pid   498] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   501] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   498] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   501] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   498] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   501] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   498] <... futex resumed>)        = 0
[pid   501] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   498] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   500] <... futex resumed>)        = 0
[pid   497] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   501] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   497] <... futex resumed>)        = 1
[pid   501] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   500] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   495] <... futex resumed>)        = 0
[pid   501] <... futex resumed>)        = 1
[pid   498] <... futex resumed>)        = 0
[pid   497] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   501] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   498] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   501] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   500] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   498] <... futex resumed>)        = 0
[pid   495] exit_group(0 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   501] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   500] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   498] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   497] <... futex resumed>)        = ?
[pid   500] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   495] <... exit_group resumed>)   = ?
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   501] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   497] +++ exited with 0 +++
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   501] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   500] <... mmap resumed>)         = 0x7fb4de009000
[pid   501] <... futex resumed>)        = 1
[pid   498] <... futex resumed>)        = 0
[pid   501] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   498] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   501] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   498] <... futex resumed>)        = 0
[pid   501] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   498] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 502 attached
 <unfinished ...>
[pid   501] <... openat resumed>)       = 3
[pid   500] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   502] set_robust_list(0x55557716c6a0, 24) = 0
[pid   501] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   500] <... mprotect resumed>)     = 0
[pid   502] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   501] <... futex resumed>)        = 1
[pid   500] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   498] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 502
[pid   502] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   501] write(3, "\x38\x00", 2 <unfinished ...>
[pid   498] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   502] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   501] <... write resumed>)        = 2
[pid   498] <... futex resumed>)        = 0
[pid   498] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   502] <... prctl resumed>)        = 0
[pid   501] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   498] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   502] setpgid(0, 0 <unfinished ...>
[pid   501] <... futex resumed>)        = 0
[pid   498] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   502] <... setpgid resumed>)      = 0
[pid   501] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   498] <... futex resumed>)        = 0
[pid   502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   501] <... openat resumed>)       = 4
[pid   500] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   498] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   495] +++ exited with 0 +++
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 503 attached
[pid   502] <... openat resumed>)       = 3
[pid   501] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=495, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   501] <... futex resumed>)        = 1
[pid   498] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   503] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   502] write(3, "1000", 4 <unfinished ...>
[pid   501] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   500] <... clone3 resumed> => {parent_tid=[503]}, 88) = 503
[pid   498] exit_group(0 <unfinished ...>
[pid   503] <... set_robust_list resumed>) = 0
[pid   502] <... write resumed>)        = 4
[pid   501] <... futex resumed>)        = ?
[pid   500] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   498] <... exit_group resumed>)   = ?
[pid   503] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   502] close(3 <unfinished ...>
[pid   501] +++ exited with 0 +++
[pid   500] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   498] +++ exited with 0 +++
[pid   503] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   502] <... close resumed>)        = 0
[pid   500] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   503] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   500] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=498, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   503] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   500] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   503] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   503] <... futex resumed>)        = 0
executing program
[pid   500] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   502] write(1, "executing program\n", 18) = 18
[pid   502] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   502] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   502] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   503] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   502] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   500] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   503] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   502] <... mprotect resumed>)     = 0
[pid   500] <... futex resumed>)        = 0
[pid   503] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   502] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   500] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   502] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   502] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   503] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   503] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 504 attached
 <unfinished ...>
[pid   500] <... futex resumed>)        = 0
[pid   504] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   502] <... clone3 resumed> => {parent_tid=[504]}, 88) = 504
[pid   500] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   504] <... set_robust_list resumed>) = 0
[pid   503] <... futex resumed>)        = 1
[pid   502] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   500] <... futex resumed>)        = 0
[pid   504] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   502] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   504] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   502] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   504] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   503] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   502] <... futex resumed>)        = 0
[pid   500] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   504] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   503] <... openat resumed>)       = 3
[pid   502] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   504] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   503] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   504] <... futex resumed>)        = 1
[pid   502] <... futex resumed>)        = 0
[pid   504] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   503] <... futex resumed>)        = 1
[pid   502] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   500] <... futex resumed>)        = 0
[pid   504] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   503] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   502] <... futex resumed>)        = 0
[pid   500] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   503] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   504] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   503] write(3, "\x38\x00", 2 <unfinished ...>
[pid   502] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   500] <... futex resumed>)        = 0
[pid   504] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   503] <... write resumed>)        = 2
[pid   500] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   503] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   500] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   503] <... futex resumed>)        = 0
[pid   500] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   503] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   500] <... futex resumed>)        = 0
[pid   504] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   502] <... futex resumed>)        = 0
[pid   504] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   503] <... openat resumed>)       = 4
[pid   502] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   500] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   504] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   502] <... futex resumed>)        = 0
[pid   504] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   502] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   504] <... openat resumed>)       = 3
[pid   504] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   502] <... futex resumed>)        = 0
[pid   504] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   502] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   504] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   502] <... futex resumed>)        = 0
[pid   504] write(3, "\x38\x00", 2 <unfinished ...>
[pid   502] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   504] <... write resumed>)        = 2
[pid   504] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   502] <... futex resumed>)        = 0
[pid   504] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   502] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   504] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   502] <... futex resumed>)        = 0
[pid   504] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   502] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   504] <... openat resumed>)       = 4
[pid   504] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   502] <... futex resumed>)        = 0
[pid   502] exit_group(0 <unfinished ...>
[pid   504] <... futex resumed>)        = 1
[pid   503] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   502] <... exit_group resumed>)   = ?
[pid   314] <... restart_syscall resumed>) = 0
[pid   504] +++ exited with 0 +++
[pid   503] <... futex resumed>)        = 1
[pid   500] <... futex resumed>)        = 0
[pid   503] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   502] +++ exited with 0 +++
[pid   500] exit_group(0 <unfinished ...>
[pid   503] <... futex resumed>)        = ?
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   503] +++ exited with 0 +++
[pid   500] <... exit_group resumed>)   = ?
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=502, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 505 attached
 <unfinished ...>
[pid   500] +++ exited with 0 +++
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 505
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=500, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   505] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   505] <... set_robust_list resumed>) = 0
[pid   505] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   505] setpgid(0, 0)               = 0
[pid   505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   505] <... openat resumed>)       = 3
[pid   505] write(3, "1000", 4)         = 4
[pid   505] close(3)                    = 0
[pid   505] write(1, "executing program\n", 18) = 18
executing program
[pid   505] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   505] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   505] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   505] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   505] <... mprotect resumed>)     = 0
[pid   505] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   505] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   505] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 506 attached
 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   505] <... clone3 resumed> => {parent_tid=[506]}, 88) = 506
[pid   505] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   505] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   505] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   506] set_robust_list(0x7fb4de0299a0, 24ci2-android-6-12-rust/strace-static-x86_64: Process 507 attached
) = 0
[pid   507] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   506] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 507
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   507] <... set_robust_list resumed>) = 0
[pid   506] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   507] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   507] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   506] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   507] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-6-12-rust/strace-static-x86_64: Process 508 attached
) = 0
[pid   506] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   508] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   507] setpgid(0, 0 <unfinished ...>
[pid   506] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 508
[pid   508] <... set_robust_list resumed>) = 0
[pid   507] <... setpgid resumed>)      = 0
[pid   508] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   506] <... futex resumed>)        = 1
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   508] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   507] <... openat resumed>)       = 3
[pid   506] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   505] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   508] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   507] write(3, "1000", 4 <unfinished ...>
[pid   506] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   505] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   506] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   505] <... futex resumed>)        = 0
[pid   507] <... write resumed>)        = 4
[pid   508] <... prctl resumed>)        = 0
[pid   506] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   505] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   508] setpgid(0, 0 <unfinished ...>
[pid   507] close(3 <unfinished ...>
[pid   506] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   505] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   508] <... setpgid resumed>)      = 0
[pid   507] <... close resumed>)        = 0
[pid   506] <... futex resumed>)        = 0
[pid   505] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   506] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   505] <... futex resumed>)        = 0
[pid   508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   507] write(1, "executing program\n", 18 <unfinished ...>
[pid   506] <... openat resumed>)       = 3
[pid   505] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   507] <... write resumed>)        = 18
[pid   506] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   505] <... futex resumed>)        = 0
[pid   506] <... futex resumed>)        = 1
[pid   505] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   506] write(3, "\x38\x00", 2 <unfinished ...>
[pid   505] <... futex resumed>)        = 0
[pid   506] <... write resumed>)        = 2
[pid   505] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   506] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   505] <... futex resumed>)        = 0
[pid   506] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   505] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   506] <... openat resumed>)       = 4
[pid   505] <... futex resumed>)        = 0
[pid   505] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   506] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   508] <... openat resumed>)       = 3
[pid   505] <... futex resumed>)        = 0
[pid   507] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   506] <... futex resumed>)        = 1
[pid   505] exit_group(0)               = ?
[pid   506] +++ exited with 0 +++
executing program
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   507] <... futex resumed>)        = 0
[pid   508] write(3, "1000", 4 <unfinished ...>
[pid   507] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   505] +++ exited with 0 +++
[pid   508] <... write resumed>)        = 4
[pid   508] close(3)                    = 0
[pid   508] write(1, "executing program\n", 18) = 18
executing program
[pid   508] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   508] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   508] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   508] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   508] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   508] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   507] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   508] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   508] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   507] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 509 attached
[pid   507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=505, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 509
ci2-android-6-12-rust/strace-static-x86_64: Process 510 attached
[pid   508] <... clone3 resumed> => {parent_tid=[510]}, 88) = 510
[pid   507] <... mmap resumed>)         = 0x7fb4de009000
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   510] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   509] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   508] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   507] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   510] <... set_robust_list resumed>) = 0
[pid   509] <... set_robust_list resumed>) = 0
[pid   508] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   510] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   509] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   508] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   507] <... mprotect resumed>)     = 0
[pid   510] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   508] <... futex resumed>)        = 0
[pid   510] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   508] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   510] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   510] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   508] <... futex resumed>)        = 0
[pid   510] <... futex resumed>)        = 1
[pid   508] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   510] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   508] <... futex resumed>)        = 0
[pid   510] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   508] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   509] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   507] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   510] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   507] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   510] <... futex resumed>)        = 1
[pid   509] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   508] <... futex resumed>)        = 0
[pid   510] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   508] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 511 attached
 <unfinished ...>
[pid   510] <... openat resumed>)       = 3
[pid   509] <... prctl resumed>)        = 0
[pid   508] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   511] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   510] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   509] setpgid(0, 0 <unfinished ...>
[pid   508] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   507] <... clone3 resumed> => {parent_tid=[511]}, 88) = 511
[pid   511] <... set_robust_list resumed>) = 0
[pid   510] <... futex resumed>)        = 0
[pid   509] <... setpgid resumed>)      = 0
[pid   508] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   511] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   510] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   508] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   511] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   510] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   508] <... futex resumed>)        = 0
[pid   507] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   511] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   510] write(3, "\x38\x00", 2 <unfinished ...>
[pid   508] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   510] <... write resumed>)        = 2
[pid   510] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   508] <... futex resumed>)        = 0
[pid   510] <... futex resumed>)        = 1
[pid   508] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   510] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   508] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 512 attached
[pid   510] <... openat resumed>)       = 4
[pid   508] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   509] <... openat resumed>)       = 3
[pid   507] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   512] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   510] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   507] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   509] write(3, "1000", 4 <unfinished ...>
[pid   512] <... set_robust_list resumed>) = 0
[pid   507] <... futex resumed>)        = 1
[pid   509] <... write resumed>)        = 4
[pid   507] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 512
[pid   509] close(3 <unfinished ...>
[pid   511] <... futex resumed>)        = 0
[pid   510] <... futex resumed>)        = 1
[pid   508] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   511] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   510] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   509] <... close resumed>)        = 0
[pid   508] exit_group(0 <unfinished ...>
[pid   511] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   510] <... futex resumed>)        = ?
[pid   508] <... exit_group resumed>)   = ?
[pid   512] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   511] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   510] +++ exited with 0 +++
[pid   509] write(1, "executing program\n", 18 <unfinished ...>
[pid   508] +++ exited with 0 +++
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   512] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   511] <... futex resumed>)        = 1
[pid   509] <... write resumed>)        = 18
[pid   507] <... futex resumed>)        = 0
[pid   512] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   511] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   509] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   507] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid   512] <... prctl resumed>)        = 0
[pid   511] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   509] <... futex resumed>)        = 0
[pid   507] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=508, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   512] setpgid(0, 0 <unfinished ...>
[pid   511] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   509] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   507] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   512] <... setpgid resumed>)      = 0
[pid   511] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   509] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   511] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   507] <... futex resumed>)        = 0
[pid   512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   509] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   511] <... futex resumed>)        = 1
[pid   509] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   507] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   512] <... openat resumed>)       = 3
[pid   511] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   507] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   512] write(3, "1000", 4 <unfinished ...>
[pid   511] <... openat resumed>)       = 3
[pid   509] <... mmap resumed>)         = 0x7fb4de009000
[pid   507] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   512] <... write resumed>)        = 4
[pid   511] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   507] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   511] <... futex resumed>)        = 0
[pid   507] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   511] write(3, "\x38\x00", 2 <unfinished ...>
[pid   507] <... futex resumed>)        = 0
[pid   512] close(3 <unfinished ...>
[pid   511] <... write resumed>)        = 2
[pid   509] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   507] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   512] <... close resumed>)        = 0
[pid   511] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   509] <... mprotect resumed>)     = 0
[pid   507] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   512] write(1, "executing program\n", 18 <unfinished ...>
[pid   511] <... futex resumed>)        = 0
[pid   507] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
executing program
[pid   512] <... write resumed>)        = 18
[pid   511] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   509] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   512] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   509] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   511] <... openat resumed>)       = 4
[pid   507] <... futex resumed>)        = 0
[pid   511] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   507] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   511] <... futex resumed>)        = 0
[pid   507] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   511] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   507] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 513 attached
 <unfinished ...>
[pid   512] <... futex resumed>)        = 0
[pid   511] <... futex resumed>)        = ?
[pid   509] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   507] <... exit_group resumed>)   = ?
[pid   513] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   512] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   511] +++ exited with 0 +++
[pid   507] +++ exited with 0 +++
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 513
[pid   512] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   509] <... clone3 resumed> => {parent_tid=[514]}, 88) = 514
[pid   512] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 514 attached
 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=507, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   513] <... set_robust_list resumed>) = 0
[pid   512] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   509] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   514] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   513] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   512] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   514] <... set_robust_list resumed>) = 0
[pid   513] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   514] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   513] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   514] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   513] <... prctl resumed>)        = 0
[pid   514] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   513] setpgid(0, 0)               = 0
[pid   513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   509] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   512] <... mmap resumed>)         = 0x7fb4de009000
[pid   512] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   509] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   514] <... futex resumed>)        = 0
[pid   513] write(3, "1000", 4 <unfinished ...>
[pid   512] <... mprotect resumed>)     = 0
[pid   509] <... futex resumed>)        = 1
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   514] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   513] <... write resumed>)        = 4
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   514] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   513] close(3 <unfinished ...>
[pid   512] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   509] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 515 attached
 <unfinished ...>
[pid   514] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   513] <... close resumed>)        = 0
[pid   514] <... futex resumed>)        = 0
[pid   514] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   513] write(1, "executing program\n", 18) = 18
[pid   513] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 515
executing program
[pid   513] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   513] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   513] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   512] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   509] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   515] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   512] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   509] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   515] <... set_robust_list resumed>) = 0
[pid   513] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   513] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 516 attached
 <unfinished ...>
[pid   515] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   514] <... futex resumed>)        = 0
[pid   513] <... mmap resumed>)         = 0x7fb4de009000
[pid   509] <... futex resumed>)        = 1
[pid   516] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   515] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   514] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   513] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   516] <... set_robust_list resumed>) = 0
[pid   515] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   514] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   513] <... mprotect resumed>)     = 0
[pid   516] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   516] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   513] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   515] <... prctl resumed>)        = 0
[pid   514] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   512] <... clone3 resumed> => {parent_tid=[516]}, 88) = 516
[pid   509] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   515] setpgid(0, 0 <unfinished ...>
[pid   514] <... futex resumed>)        = 0
[pid   513] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   512] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   515] <... setpgid resumed>)      = 0
[pid   514] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   513] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   509] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   509] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 517 attached
 <unfinished ...>
[pid   513] <... clone3 resumed> => {parent_tid=[517]}, 88) = 517
[pid   517] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   515] <... openat resumed>)       = 3
[pid   514] <... futex resumed>)        = 0
[pid   513] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   509] <... futex resumed>)        = 1
[pid   517] <... set_robust_list resumed>) = 0
[pid   515] write(3, "1000", 4 <unfinished ...>
[pid   514] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   513] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   512] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   509] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   517] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   515] <... write resumed>)        = 4
[pid   514] <... openat resumed>)       = 3
[pid   513] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   512] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   517] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   515] close(3 <unfinished ...>
[pid   512] <... futex resumed>)        = 1
[pid   515] <... close resumed>)        = 0
[pid   517] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   516] <... futex resumed>)        = 0
[pid   514] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   513] <... futex resumed>)        = 0
[pid   512] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   515] write(1, "executing program\n", 18 <unfinished ...>
[pid   517] <... mkdirat resumed>)      = -1 EEXIST (File exists)
executing program
[pid   516] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   514] <... futex resumed>)        = 1
[pid   513] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   509] <... futex resumed>)        = 0
[pid   517] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   516] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   515] <... write resumed>)        = 18
[pid   514] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   513] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   509] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   517] <... futex resumed>)        = 0
[pid   515] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   509] <... futex resumed>)        = 0
[pid   515] <... futex resumed>)        = 0
[pid   509] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   515] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   517] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   516] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   515] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   514] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   513] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   517] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   516] <... futex resumed>)        = 1
[pid   515] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   514] write(3, "\x38\x00", 2 <unfinished ...>
[pid   513] <... futex resumed>)        = 0
[pid   512] <... futex resumed>)        = 0
[pid   517] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   516] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   515] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   514] <... write resumed>)        = 2
[pid   513] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   517] <... futex resumed>)        = 0
[pid   515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   514] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   513] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   512] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   517] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   515] <... mmap resumed>)         = 0x7fb4de009000
[pid   514] <... futex resumed>)        = 1
[pid   513] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   509] <... futex resumed>)        = 0
[pid   517] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   516] <... futex resumed>)        = 0
[pid   514] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   513] <... futex resumed>)        = 0
[pid   512] <... futex resumed>)        = 1
[pid   515] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   509] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   517] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   516] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   514] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   513] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   517] <... openat resumed>)       = 3
[pid   516] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   515] <... mprotect resumed>)     = 0
[pid   514] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   512] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   509] <... futex resumed>)        = 0
[pid   517] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   515] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   509] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   515] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   517] <... futex resumed>)        = 1
[pid   516] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   515] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   514] <... openat resumed>)       = 4
[pid   513] <... futex resumed>)        = 0
[pid   517] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   516] <... futex resumed>)        = 1
[pid   514] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   513] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 518 attached
 <unfinished ...>
[pid   517] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   516] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   514] <... futex resumed>)        = 1
[pid   513] <... futex resumed>)        = 0
[pid   512] <... futex resumed>)        = 0
[pid   509] <... futex resumed>)        = 0
[pid   517] write(3, "\x38\x00", 2 <unfinished ...>
[pid   514] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   513] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   512] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   509] exit_group(0 <unfinished ...>
[pid   518] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   517] <... write resumed>)        = 2
[pid   515] <... clone3 resumed> => {parent_tid=[518]}, 88) = 518
[pid   514] <... futex resumed>)        = ?
[pid   512] <... futex resumed>)        = 1
[pid   516] <... futex resumed>)        = 0
[pid   509] <... exit_group resumed>)   = ?
[pid   518] <... set_robust_list resumed>) = 0
[pid   517] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   516] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   515] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   514] +++ exited with 0 +++
[pid   512] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   509] +++ exited with 0 +++
[pid   518] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   517] <... futex resumed>)        = 1
[pid   516] <... openat resumed>)       = 3
[pid   515] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   513] <... futex resumed>)        = 0
[pid   518] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   517] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   516] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   515] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   513] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=509, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   518] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   517] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   516] <... futex resumed>)        = 1
[pid   515] <... futex resumed>)        = 0
[pid   513] <... futex resumed>)        = 0
[pid   512] <... futex resumed>)        = 0
[pid   518] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   517] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   516] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   515] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   513] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   512] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   518] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   515] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   518] <... futex resumed>)        = 0
[pid   517] <... openat resumed>)       = 4
[pid   516] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   518] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   516] write(3, "\x38\x00", 2 <unfinished ...>
[pid   515] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   512] <... futex resumed>)        = 0
[pid   518] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   517] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   516] <... write resumed>)        = 2
[pid   515] <... futex resumed>)        = 0
[pid   512] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   518] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   517] <... futex resumed>)        = 1
[pid   516] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   515] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   513] <... futex resumed>)        = 0
[pid   512] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   518] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   517] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   516] <... futex resumed>)        = 0
[pid   513] exit_group(0 <unfinished ...>
[pid   512] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   518] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   517] <... futex resumed>)        = ?
[pid   516] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   513] <... exit_group resumed>)   = ?
[pid   512] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 519 attached
[pid   518] <... futex resumed>)        = 1
[pid   517] +++ exited with 0 +++
[pid   516] <... openat resumed>)       = 4
[pid   515] <... futex resumed>)        = 0
[pid   512] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   518] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   515] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   519] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   518] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   516] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   515] <... futex resumed>)        = 0
[pid   513] +++ exited with 0 +++
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 519
[pid   519] <... set_robust_list resumed>) = 0
[pid   518] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   516] <... futex resumed>)        = 1
[pid   515] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   512] <... futex resumed>)        = 0
[pid   519] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   516] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   512] exit_group(0 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=513, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   519] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   518] <... openat resumed>)       = 3
[pid   516] <... futex resumed>)        = ?
[pid   512] <... exit_group resumed>)   = ?
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   519] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   518] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   516] +++ exited with 0 +++
[pid   512] +++ exited with 0 +++
[pid   518] <... futex resumed>)        = 1
[pid   515] <... futex resumed>)        = 0
[pid   518] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   515] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=512, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   518] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   519] <... prctl resumed>)        = 0
[pid   515] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   518] write(3, "\x38\x00", 2 <unfinished ...>
[pid   519] setpgid(0, 0 <unfinished ...>
[pid   515] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   519] <... setpgid resumed>)      = 0
[pid   518] <... write resumed>)        = 2
[pid   519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   518] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   519] write(3, "1000", 4 <unfinished ...>
[pid   518] <... futex resumed>)        = 1
[pid   515] <... futex resumed>)        = 0
[pid   518] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   515] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   518] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   515] <... futex resumed>)        = 0
[pid   518] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   515] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   519] <... write resumed>)        = 4
[pid   519] close(3)                    = 0
[pid   518] <... openat resumed>)       = 4
[pid   519] write(1, "executing program\n", 18) = 18
executing program
[pid   518] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   519] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   515] <... futex resumed>)        = 0
[pid   519] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   519] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   518] <... futex resumed>)        = 1
[pid   515] exit_group(0 <unfinished ...>
[pid   519] <... mmap resumed>)         = 0x7fb4de009000
[pid   515] <... exit_group resumed>)   = ?
[pid   519] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   518] +++ exited with 0 +++
[pid   519] <... mprotect resumed>)     = 0
[pid   519] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   519] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 520 attached
 <unfinished ...>
[pid   520] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   519] <... clone3 resumed> => {parent_tid=[520]}, 88) = 520
[pid   520] <... set_robust_list resumed>) = 0
[pid   519] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   520] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   519] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   520] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   519] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   515] +++ exited with 0 +++
[pid   520] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   519] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=515, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   520] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   519] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   520] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   519] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   520] <... futex resumed>)        = 0
[pid   520] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   519] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   520] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   519] <... futex resumed>)        = 0
[pid   519] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   520] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   519] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   520] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   519] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   520] <... openat resumed>)       = 3
[pid   519] <... futex resumed>)        = 0
[pid   519] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   520] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   519] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   520] <... futex resumed>)        = 0
[pid   519] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   520] write(3, "\x38\x00", 2)     = 2
[pid   519] <... futex resumed>)        = 0
[pid   520] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   519] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   520] <... futex resumed>)        = 0
[pid   519] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   520] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   519] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   520] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   519] <... futex resumed>)        = 0
[pid   520] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   519] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   520] <... openat resumed>)       = 4
[pid   520] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   519] <... futex resumed>)        = 0
[pid   520] <... futex resumed>)        = 1
[pid   520] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   519] exit_group(0 <unfinished ...>
[pid   520] <... futex resumed>)        = ?
[pid   520] +++ exited with 0 +++
[pid   519] <... exit_group resumed>)   = ?
[pid   519] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=519, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 521 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 522 attached
 <unfinished ...>
[pid   521] set_robust_list(0x55557716c6a0, 24) = 0
[pid   521] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   522] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 522
[pid   521] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 521
[pid   522] <... set_robust_list resumed>) = 0
[pid   521] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   522] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   521] <... prctl resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   522] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   521] setpgid(0, 0)               = 0
[pid   522] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   522] <... prctl resumed>)        = 0
[pid   521] <... openat resumed>)       = 3
[pid   522] setpgid(0, 0 <unfinished ...>
[pid   521] write(3, "1000", 4 <unfinished ...>
[pid   522] <... setpgid resumed>)      = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   521] <... write resumed>)        = 4
[pid   522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   521] close(3)                    = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   521] write(1, "executing program\n", 18 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
executing program
[pid   522] <... openat resumed>)       = 3
[pid   521] <... write resumed>)        = 18
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   522] write(3, "1000", 4 <unfinished ...>
[pid   521] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   522] <... write resumed>)        = 4
[pid   522] close(3 <unfinished ...>
[pid   521] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 523 attached
[pid   522] <... close resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   522] write(1, "executing program\n", 18 <unfinished ...>
[pid   523] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   521] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 523
[pid   521] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   521] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   523] <... set_robust_list resumed>) = 0
[pid   522] <... write resumed>)        = 18
[pid   521] <... mmap resumed>)         = 0x7fb4de009000
executing program
[pid   523] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   521] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   523] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   522] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   521] <... mprotect resumed>)     = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   523] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   522] <... futex resumed>)        = 0
[pid   521] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   522] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   523] <... prctl resumed>)        = 0
[pid   522] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   523] setpgid(0, 0 <unfinished ...>
[pid   522] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 524 attached
 <unfinished ...>
[pid   524] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   521] <... clone3 resumed> => {parent_tid=[524]}, 88) = 524
[pid   524] <... set_robust_list resumed>) = 0
[pid   521] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   523] <... setpgid resumed>)      = 0
[pid   522] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 525 attached
[pid   524] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   521] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   525] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   524] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   521] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   525] <... set_robust_list resumed>) = 0
[pid   524] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   521] <... futex resumed>)        = 0
[pid   525] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   524] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   521] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   524] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   525] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   524] <... futex resumed>)        = 1
[pid   521] <... futex resumed>)        = 0
[pid   525] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   524] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   521] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   525] <... prctl resumed>)        = 0
[pid   524] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   521] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   525] setpgid(0, 0 <unfinished ...>
[pid   524] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   525] <... setpgid resumed>)      = 0
[pid   524] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   524] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   525] <... openat resumed>)       = 3
[pid   524] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   521] <... futex resumed>)        = 0
[pid   523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 525
[pid   522] <... mmap resumed>)         = 0x7fb4de009000
[pid   525] write(3, "1000", 4 <unfinished ...>
[pid   521] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   525] <... write resumed>)        = 4
[pid   524] <... futex resumed>)        = 0
[pid   523] <... openat resumed>)       = 3
[pid   522] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   521] <... futex resumed>)        = 1
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   525] close(3 <unfinished ...>
[pid   524] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   523] write(3, "1000", 4 <unfinished ...>
[pid   522] <... mprotect resumed>)     = 0
[pid   521] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   525] <... close resumed>)        = 0
[pid   524] <... openat resumed>)       = 3
[pid   522] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   525] write(1, "executing program\n", 18 <unfinished ...>
[pid   524] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   525] <... write resumed>)        = 18
[pid   524] <... futex resumed>)        = 1
[pid   521] <... futex resumed>)        = 0
[pid   525] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   524] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
executing program
[pid   521] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   525] <... futex resumed>)        = 0
[pid   524] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   521] <... futex resumed>)        = 0
[pid   525] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   524] write(3, "\x38\x00", 2 <unfinished ...>
[pid   521] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   525] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   524] <... write resumed>)        = 2
[pid   525] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   524] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   523] <... write resumed>)        = 4
[pid   522] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   525] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   524] <... futex resumed>)        = 1
[pid   523] close(3 <unfinished ...>
[pid   522] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   521] <... futex resumed>)        = 0
[pid   525] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   524] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   521] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   525] <... mmap resumed>)         = 0x7fb4de009000
[pid   523] <... close resumed>)        = 0
[pid   523] write(1, "executing program\n", 18 <unfinished ...>
[pid   522] <... clone3 resumed> => {parent_tid=[526]}, 88) = 526
ci2-android-6-12-rust/strace-static-x86_64: Process 526 attached
[pid   525] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   524] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   522] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   521] <... futex resumed>)        = 0
[pid   526] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   525] <... mprotect resumed>)     = 0
executing program
[pid   524] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   523] <... write resumed>)        = 18
[pid   522] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   521] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   526] <... set_robust_list resumed>) = 0
[pid   525] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   524] <... openat resumed>)       = 4
[pid   526] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   525] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   524] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   523] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   522] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   526] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   525] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   524] <... futex resumed>)        = 1
[pid   523] <... futex resumed>)        = 0
[pid   522] <... futex resumed>)        = 0
[pid   521] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 527 attached
[pid   526] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   524] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   523] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   522] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   521] exit_group(0 <unfinished ...>
[pid   527] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   523] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   527] <... set_robust_list resumed>) = 0
[pid   523] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   527] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   526] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   525] <... clone3 resumed> => {parent_tid=[527]}, 88) = 527
[pid   524] <... futex resumed>)        = ?
[pid   523] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   521] <... exit_group resumed>)   = ?
[pid   527] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   526] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   525] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   524] +++ exited with 0 +++
[pid   523] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   521] +++ exited with 0 +++
[pid   527] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   526] <... futex resumed>)        = 1
[pid   525] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   522] <... futex resumed>)        = 0
[pid   526] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   525] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   523] <... mmap resumed>)         = 0x7fb4de009000
[pid   522] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=521, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   527] <... futex resumed>)        = 0
[pid   526] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   525] <... futex resumed>)        = 1
[pid   523] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   522] <... futex resumed>)        = 0
[pid   527] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   526] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   525] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   522] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   526] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   523] <... mprotect resumed>)     = 0
[pid   526] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   527] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   522] <... futex resumed>)        = 0
[pid   527] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   526] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   522] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   527] <... futex resumed>)        = 1
[pid   526] <... openat resumed>)       = 3
[pid   525] <... futex resumed>)        = 0
[pid   523] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   522] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   527] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   526] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   525] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   523] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   522] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   527] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   526] <... futex resumed>)        = 0
[pid   525] <... futex resumed>)        = 0
[pid   523] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   522] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   526] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   525] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   522] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   526] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   522] <... futex resumed>)        = 0
[pid   526] write(3, "\x38\x00", 2 <unfinished ...>
[pid   522] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   526] <... write resumed>)        = 2
[pid   527] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   526] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   522] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 528 attached
[pid   526] <... futex resumed>)        = 1
[pid   522] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   527] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   526] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   522] <... futex resumed>)        = 0
[pid   528] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   527] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   526] <... openat resumed>)       = 4
[pid   523] <... clone3 resumed> => {parent_tid=[528]}, 88) = 528
[pid   522] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   528] <... set_robust_list resumed>) = 0
[pid   527] <... futex resumed>)        = 1
[pid   525] <... futex resumed>)        = 0
[pid   523] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   526] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   525] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   526] <... futex resumed>)        = 1
[pid   525] <... futex resumed>)        = 0
[pid   522] <... futex resumed>)        = 0
[pid   526] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   525] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   522] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 529 attached
 <unfinished ...>
[pid   528] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   527] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   526] <... futex resumed>)        = ?
[pid   523] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   522] <... exit_group resumed>)   = ?
[pid   529] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   528] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   527] <... openat resumed>)       = 3
[pid   526] +++ exited with 0 +++
[pid   523] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   522] +++ exited with 0 +++
[pid   529] <... set_robust_list resumed>) = 0
[pid   528] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   523] <... futex resumed>)        = 0
[pid   529] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   527] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   523] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   528] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   528] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   527] <... futex resumed>)        = 1
[pid   525] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 529
[pid   529] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   527] write(3, "\x38\x00", 2 <unfinished ...>
[pid   525] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=522, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   529] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   528] <... futex resumed>)        = 1
[pid   527] <... write resumed>)        = 2
[pid   525] <... futex resumed>)        = 0
[pid   523] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   529] <... prctl resumed>)        = 0
[pid   525] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   523] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   529] setpgid(0, 0 <unfinished ...>
[pid   528] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   527] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   525] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   523] <... futex resumed>)        = 0
[pid   529] <... setpgid resumed>)      = 0
[pid   525] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   523] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   528] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   527] <... futex resumed>)        = 0
[pid   525] <... futex resumed>)        = 0
[pid   529] <... openat resumed>)       = 3
[pid   528] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   527] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   525] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   528] <... futex resumed>)        = 1
[pid   523] <... futex resumed>)        = 0
[pid   529] write(3, "1000", 4)         = 4
[pid   528] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   523] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   529] close(3 <unfinished ...>
[pid   527] <... openat resumed>)       = 4
[pid   529] <... close resumed>)        = 0
[pid   527] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   523] <... futex resumed>)        = 0
[pid   528] <... openat resumed>)       = 3
[pid   527] <... futex resumed>)        = 1
[pid   523] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   528] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   527] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   523] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   528] <... futex resumed>)        = 0
[pid   523] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   528] write(3, "\x38\x00", 2 <unfinished ...>
[pid   523] <... futex resumed>)        = 0
[pid   529] write(1, "executing program\n", 18 <unfinished ...>
[pid   525] <... futex resumed>)        = 0
[pid   529] <... write resumed>)        = 18
[pid   528] <... write resumed>)        = 2
[pid   525] exit_group(0 <unfinished ...>
[pid   529] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   527] <... futex resumed>)        = ?
executing program
[pid   525] <... exit_group resumed>)   = ?
[pid   529] <... futex resumed>)        = 0
[pid   528] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   527] +++ exited with 0 +++
[pid   525] +++ exited with 0 +++
[pid   523] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   529] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   528] <... futex resumed>)        = 0
[pid   523] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   529] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   528] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   523] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=525, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   529] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   528] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   523] <... futex resumed>)        = 0
[pid   529] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   528] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   523] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   529] <... mmap resumed>)         = 0x7fb4de009000
[pid   529] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   528] <... openat resumed>)       = 4
[pid   529] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   529] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   528] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 530 attached
 <unfinished ...>
[pid   530] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   528] <... futex resumed>)        = 1
[pid   523] <... futex resumed>)        = 0
[pid   528] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   530] <... set_robust_list resumed>) = 0
[pid   529] <... clone3 resumed> => {parent_tid=[530]}, 88) = 530
[pid   523] exit_group(0 <unfinished ...>
[pid   530] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   529] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   530] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   529] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   528] <... futex resumed>)        = ?
[pid   523] <... exit_group resumed>)   = ?
[pid   530] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   529] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   530] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   529] <... futex resumed>)        = 0
[pid   528] +++ exited with 0 +++
[pid   530] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   529] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   530] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   530] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   529] <... futex resumed>)        = 0
[pid   530] <... futex resumed>)        = 1
[pid   529] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   530] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   529] <... futex resumed>)        = 0
[pid   530] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   529] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   523] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=523, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   530] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   530] <... futex resumed>)        = 1
[pid   529] <... futex resumed>)        = 0
[pid   530] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   529] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   530] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   529] <... futex resumed>)        = 0
[pid   530] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   529] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   530] <... openat resumed>)       = 3
[pid   314] <... restart_syscall resumed>) = 0
[pid   530] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   529] <... futex resumed>)        = 0
[pid   529] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   530] <... futex resumed>)        = 1
[pid   529] <... futex resumed>)        = 0
[pid   530] write(3, "\x38\x00", 2 <unfinished ...>
[pid   529] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   530] <... write resumed>)        = 2
[pid   530] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   530] <... futex resumed>)        = 1
[pid   529] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   530] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   529] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   530] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   529] <... futex resumed>)        = 0
[pid   530] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid   529] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   530] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   529] <... futex resumed>)        = 0
[pid   529] exit_group(0 <unfinished ...>
[pid   530] <... futex resumed>)        = 1
[pid   529] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 531 attached
[pid   530] +++ exited with 0 +++
[pid   529] +++ exited with 0 +++
[pid   315] <... restart_syscall resumed>) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 531
[pid   531] set_robust_list(0x55557716c6a0, 24) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=529, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   531] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   531] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   531] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   531] <... prctl resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   531] setpgid(0, 0)               = 0
[pid   531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-12-rust/strace-static-x86_64: Process 532 attached
 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 532
[pid   532] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   531] <... openat resumed>)       = 3
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   532] <... set_robust_list resumed>) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   532] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   531] write(3, "1000", 4)         = 4
[pid   531] close(3)                    = 0
[pid   531] write(1, "executing program\n", 18) = 18
[pid   531] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   532] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid   531] <... futex resumed>)        = 0
[pid   531] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   532] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   531] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   532] <... prctl resumed>)        = 0
[pid   531] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   532] setpgid(0, 0 <unfinished ...>
[pid   531] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   531] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   313] <... restart_syscall resumed>) = 0
[pid   532] <... setpgid resumed>)      = 0
[pid   531] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   531] <... mprotect resumed>)     = 0
[pid   531] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   531] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   532] <... openat resumed>)       = 3
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   532] write(3, "1000", 4 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 533 attached
[pid   531] <... clone3 resumed> => {parent_tid=[533]}, 88) = 533
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   533] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   532] <... write resumed>)        = 4
[pid   531] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   533] <... set_robust_list resumed>) = 0
[pid   531] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   532] close(3 <unfinished ...>
[pid   533] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   531] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   533] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   531] <... futex resumed>)        = 0
[pid   533] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   531] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   532] <... close resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 534 attached
[pid   533] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   534] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   533] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   531] <... futex resumed>)        = 0
[pid   534] <... set_robust_list resumed>) = 0
[pid   533] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   531] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   534] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   533] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   532] write(1, "executing program\n", 18 <unfinished ...>
[pid   531] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 534
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   534] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid   532] <... write resumed>)        = 18
[pid   531] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   532] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   532] <... futex resumed>)        = 0
[pid   532] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   532] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   534] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   533] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   531] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   534] <... prctl resumed>)        = 0
[pid   533] <... futex resumed>)        = 0
[pid   532] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   531] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   534] setpgid(0, 0 <unfinished ...>
[pid   533] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   532] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   531] <... futex resumed>)        = 0
[pid   534] <... setpgid resumed>)      = 0
[pid   533] <... openat resumed>)       = 3
[pid   532] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   531] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   533] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   532] <... mmap resumed>)         = 0x7fb4de009000
[pid   531] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   534] <... openat resumed>)       = 3
[pid   533] <... futex resumed>)        = 0
[pid   531] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   534] write(3, "1000", 4 <unfinished ...>
[pid   533] write(3, "\x38\x00", 2 <unfinished ...>
[pid   531] <... futex resumed>)        = 0
[pid   534] <... write resumed>)        = 4
[pid   533] <... write resumed>)        = 2
[pid   531] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   534] close(3 <unfinished ...>
[pid   533] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   531] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   534] <... close resumed>)        = 0
[pid   533] <... futex resumed>)        = 0
[pid   531] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   534] write(1, "executing program\n", 18 <unfinished ...>
[pid   533] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   531] <... futex resumed>)        = 0
[pid   534] <... write resumed>)        = 18
[pid   533] <... openat resumed>)       = 4
executing program
[pid   531] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   534] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   533] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   534] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   533] <... futex resumed>)        = 1
[pid   531] <... futex resumed>)        = 0
[pid   534] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   533] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   531] exit_group(0 <unfinished ...>
[pid   534] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   533] <... futex resumed>)        = ?
[pid   531] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 535 attached
[pid   534] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   533] +++ exited with 0 +++
[pid   532] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   531] +++ exited with 0 +++
[pid   535] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   535] <... set_robust_list resumed>) = 0
[pid   532] <... mprotect resumed>)     = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=531, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 535
[pid   534] <... mmap resumed>)         = 0x7fb4de009000
[pid   532] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   535] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   534] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   532] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   535] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   534] <... mprotect resumed>)     = 0
[pid   532] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   535] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   534] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   534] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   535] <... prctl resumed>)        = 0
[pid   535] setpgid(0, 0 <unfinished ...>
[pid   532] <... clone3 resumed> => {parent_tid=[536]}, 88) = 536
[pid   535] <... setpgid resumed>)      = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 537 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 536 attached
[pid   537] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   536] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   534] <... clone3 resumed> => {parent_tid=[537]}, 88) = 537
[pid   532] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   537] <... set_robust_list resumed>) = 0
[pid   536] <... set_robust_list resumed>) = 0
[pid   534] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   537] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   536] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   534] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   537] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   536] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   535] <... openat resumed>)       = 3
[pid   534] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   532] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   537] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   536] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   535] write(3, "1000", 4 <unfinished ...>
[pid   534] <... futex resumed>)        = 0
[pid   537] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   535] <... write resumed>)        = 4
[pid   534] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   532] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   537] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   536] <... futex resumed>)        = 0
[pid   535] close(3 <unfinished ...>
[pid   534] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   532] <... futex resumed>)        = 1
[pid   537] <... futex resumed>)        = 0
[pid   536] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   535] <... close resumed>)        = 0
[pid   534] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   532] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   535] write(1, "executing program\n", 18 <unfinished ...>
[pid   537] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   536] <... mkdirat resumed>)      = -1 EEXIST (File exists)
executing program
[pid   535] <... write resumed>)        = 18
[pid   534] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   537] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   536] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   535] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   534] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   537] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   536] <... futex resumed>)        = 1
[pid   535] <... futex resumed>)        = 0
[pid   534] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   532] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   537] <... futex resumed>)        = 0
[pid   536] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   535] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   534] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   532] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   537] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   536] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   534] <... futex resumed>)        = 0
[pid   537] <... openat resumed>)       = 3
[pid   536] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   534] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 538 attached
 <unfinished ...>
[pid   537] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   536] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   535] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   532] <... futex resumed>)        = 0
[pid   537] <... futex resumed>)        = 1
[pid   535] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   534] <... futex resumed>)        = 0
[pid   532] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 538
[pid   538] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   535] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   537] write(3, "\x38\x00", 2 <unfinished ...>
[pid   536] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   534] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   538] <... set_robust_list resumed>) = 0
[pid   537] <... write resumed>)        = 2
[pid   536] <... futex resumed>)        = 1
[pid   535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   534] <... futex resumed>)        = 0
[pid   532] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   538] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   536] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   534] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   538] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   537] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   536] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   535] <... mmap resumed>)         = 0x7fb4de009000
[pid   534] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   532] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   537] <... futex resumed>)        = 0
[pid   536] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   535] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   534] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   532] <... futex resumed>)        = 0
[pid   538] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   537] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   535] <... mprotect resumed>)     = 0
[pid   534] <... futex resumed>)        = 0
[pid   532] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   538] <... prctl resumed>)        = 0
[pid   536] <... openat resumed>)       = 3
[pid   535] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   534] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   538] setpgid(0, 0 <unfinished ...>
[pid   536] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   535] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   538] <... setpgid resumed>)      = 0
[pid   537] <... openat resumed>)       = 4
[pid   536] <... futex resumed>)        = 1
[pid   535] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   532] <... futex resumed>)        = 0
[pid   538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   537] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   532] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   536] write(3, "\x38\x00", 2ci2-android-6-12-rust/strace-static-x86_64: Process 539 attached
 <unfinished ...>
[pid   538] <... openat resumed>)       = 3
[pid   537] <... futex resumed>)        = 1
[pid   536] <... write resumed>)        = 2
[pid   534] <... futex resumed>)        = 0
[pid   532] <... futex resumed>)        = 0
[pid   539] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   539] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   534] exit_group(0 <unfinished ...>
[pid   539] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   538] write(3, "1000", 4 <unfinished ...>
[pid   536] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   535] <... clone3 resumed> => {parent_tid=[539]}, 88) = 539
[pid   534] <... exit_group resumed>)   = ?
[pid   532] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   538] <... write resumed>)        = 4
[pid   536] <... futex resumed>)        = 0
[pid   532] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   535] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   532] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   538] close(3)                    = 0
[pid   538] write(1, "executing program\n", 18) = 18
[pid   537] +++ exited with 0 +++
[pid   534] +++ exited with 0 +++
[pid   532] <... futex resumed>)        = 0
[pid   536] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   535] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   532] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   538] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   536] <... openat resumed>)       = 4
[pid   535] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=534, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   538] <... futex resumed>)        = 0
[pid   538] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   539] <... futex resumed>)        = 0
[pid   538] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   535] <... futex resumed>)        = 1
executing program
[pid   539] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   538] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   536] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   539] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   538] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   536] <... futex resumed>)        = 1
[pid   535] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   539] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   538] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   532] <... futex resumed>)        = 0
[pid   539] <... futex resumed>)        = 0
[pid   538] <... mmap resumed>)         = 0x7fb4de009000
[pid   539] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   538] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   538] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   536] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   535] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   532] exit_group(0 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   538] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   538] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   535] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   532] <... exit_group resumed>)   = ?
[pid   536] <... futex resumed>)        = ?
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 540 attached
[pid   539] <... futex resumed>)        = 0
[pid   535] <... futex resumed>)        = 1
[pid   540] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   539] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   535] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   540] <... set_robust_list resumed>) = 0
[pid   539] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   538] <... clone3 resumed> => {parent_tid=[540]}, 88) = 540
[pid   540] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   539] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   538] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   540] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   539] <... futex resumed>)        = 0
[pid   538] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   540] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   539] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   538] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   536] +++ exited with 0 +++
[pid   535] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   532] +++ exited with 0 +++
[pid   540] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   538] <... futex resumed>)        = 0
[pid   540] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   538] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=532, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   540] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   540] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   538] <... futex resumed>)        = 0
[pid   535] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   540] <... futex resumed>)        = 1
[pid   538] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   540] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   538] <... futex resumed>)        = 0
[pid   540] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   539] <... futex resumed>)        = 0
[pid   538] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   535] <... futex resumed>)        = 1
[pid   540] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   539] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLYci2-android-6-12-rust/strace-static-x86_64: Process 541 attached
 <unfinished ...>
[pid   540] <... futex resumed>)        = 1
[pid   539] <... openat resumed>)       = 3
[pid   538] <... futex resumed>)        = 0
[pid   535] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   540] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   539] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   538] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   535] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 541
[pid   540] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   539] <... futex resumed>)        = 0
[pid   538] <... futex resumed>)        = 0
[pid   535] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   541] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   540] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   539] write(3, "\x38\x00", 2 <unfinished ...>
[pid   538] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   541] <... set_robust_list resumed>) = 0
[pid   540] <... openat resumed>)       = 3
[pid   539] <... write resumed>)        = 2
[pid   535] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   541] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   540] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   539] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   541] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   538] <... futex resumed>)        = 0
[pid   535] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   541] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   540] <... futex resumed>)        = 1
[pid   539] <... futex resumed>)        = 0
[pid   538] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   535] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   541] <... prctl resumed>)        = 0
[pid   540] write(3, "\x38\x00", 2 <unfinished ...>
[pid   539] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   538] <... futex resumed>)        = 0
[pid   535] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   541] setpgid(0, 0 <unfinished ...>
[pid   540] <... write resumed>)        = 2
[pid   539] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   538] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   535] <... futex resumed>)        = 0
[pid   540] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   539] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   538] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   541] <... setpgid resumed>)      = 0
[pid   540] <... futex resumed>)        = 0
[pid   539] <... openat resumed>)       = 4
[pid   538] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   535] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   540] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   539] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   538] <... futex resumed>)        = 0
[pid   535] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   541] <... openat resumed>)       = 3
[pid   540] <... openat resumed>)       = 4
[pid   539] <... futex resumed>)        = 0
[pid   538] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   541] write(3, "1000", 4 <unfinished ...>
[pid   535] exit_group(0 <unfinished ...>
[pid   541] <... write resumed>)        = 4
[pid   535] <... exit_group resumed>)   = ?
[pid   541] close(3 <unfinished ...>
[pid   540] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   541] <... close resumed>)        = 0
[pid   540] <... futex resumed>)        = 1
[pid   539] +++ exited with 0 +++
[pid   538] <... futex resumed>)        = 0
[pid   535] +++ exited with 0 +++
[pid   540] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   538] exit_group(0 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   540] <... futex resumed>)        = ?
[pid   538] <... exit_group resumed>)   = ?
[pid   541] write(1, "executing program\n", 18 <unfinished ...>
[pid   540] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=535, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   541] <... write resumed>)        = 18
executing program
[pid   538] +++ exited with 0 +++
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   541] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=538, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid   541] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   541] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   541] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   541] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   541] <... mmap resumed>)         = 0x7fb4de009000
[pid   541] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   541] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   541] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 542 attached
 <unfinished ...>
[pid   542] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   541] <... clone3 resumed> => {parent_tid=[542]}, 88) = 542
[pid   542] <... set_robust_list resumed>) = 0
[pid   541] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   542] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   541] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   542] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   541] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   542] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   541] <... futex resumed>)        = 0
[pid   542] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   541] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   542] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   541] <... futex resumed>)        = 0
[pid   542] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   541] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 543 attached
 <unfinished ...>
[pid   542] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   541] <... futex resumed>)        = 0
[pid   542] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   541] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   542] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 543
[pid   543] set_robust_list(0x55557716c6a0, 24ci2-android-6-12-rust/strace-static-x86_64: Process 544 attached
) = 0
[pid   542] <... futex resumed>)        = 1
[pid   541] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 544
[pid   544] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   543] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   542] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   541] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   544] <... set_robust_list resumed>) = 0
[pid   543] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   542] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   541] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   544] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   543] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   542] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   541] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   544] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   543] <... prctl resumed>)        = 0
[pid   542] <... openat resumed>)       = 3
[pid   544] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   543] setpgid(0, 0 <unfinished ...>
[pid   542] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   544] <... prctl resumed>)        = 0
[pid   543] <... setpgid resumed>)      = 0
[pid   541] <... futex resumed>)        = 0
[pid   544] setpgid(0, 0 <unfinished ...>
[pid   542] <... futex resumed>)        = 1
[pid   541] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   544] <... setpgid resumed>)      = 0
[pid   543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   542] write(3, "\x38\x00", 2 <unfinished ...>
[pid   541] <... futex resumed>)        = 0
[pid   544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   542] <... write resumed>)        = 2
[pid   541] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   543] <... openat resumed>)       = 3
[pid   544] <... openat resumed>)       = 3
[pid   543] write(3, "1000", 4 <unfinished ...>
[pid   542] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   541] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   544] write(3, "1000", 4 <unfinished ...>
[pid   543] <... write resumed>)        = 4
[pid   542] <... futex resumed>)        = 0
[pid   541] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   544] <... write resumed>)        = 4
[pid   543] close(3 <unfinished ...>
[pid   542] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   541] <... futex resumed>)        = 0
[pid   544] close(3 <unfinished ...>
[pid   543] <... close resumed>)        = 0
[pid   542] <... openat resumed>)       = 4
[pid   541] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   544] <... close resumed>)        = 0
[pid   543] write(1, "executing program\n", 18 <unfinished ...>
[pid   544] write(1, "executing program\n", 18 <unfinished ...>
executing program
executing program
[pid   543] <... write resumed>)        = 18
[pid   542] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   544] <... write resumed>)        = 18
[pid   543] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   542] <... futex resumed>)        = 1
[pid   541] <... futex resumed>)        = 0
[pid   544] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   543] <... futex resumed>)        = 0
[pid   542] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   541] exit_group(0 <unfinished ...>
[pid   543] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   544] <... futex resumed>)        = 0
[pid   543] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   542] <... futex resumed>)        = ?
[pid   541] <... exit_group resumed>)   = ?
[pid   544] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   543] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   542] +++ exited with 0 +++
[pid   541] +++ exited with 0 +++
[pid   544] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   543] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   544] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   544] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=541, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... restart_syscall resumed>) = 0
[pid   544] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   543] <... mmap resumed>)         = 0x7fb4de009000
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   544] <... mmap resumed>)         = 0x7fb4de009000
[pid   543] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   544] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   543] <... mprotect resumed>)     = 0
[pid   544] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   543] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   544] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   544] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   543] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 545 attached
 <unfinished ...>
[pid   545] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   544] <... clone3 resumed> => {parent_tid=[545]}, 88) = 545
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   545] <... set_robust_list resumed>) = 0
[pid   544] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   545] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   543] <... clone3 resumed> => {parent_tid=[546]}, 88) = 546
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 546 attached
 <unfinished ...>
[pid   545] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   544] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   546] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   545] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   544] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   546] <... set_robust_list resumed>) = 0
[pid   545] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   544] <... futex resumed>)        = 0
[pid   546] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   545] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   544] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   543] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   546] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   545] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   546] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   545] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   544] <... futex resumed>)        = 0
[pid   545] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   544] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   545] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   544] <... futex resumed>)        = 0
[pid   545] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   544] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   545] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
ci2-android-6-12-rust/strace-static-x86_64: Process 547 attached
[pid   543] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 547
[pid   545] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   544] <... futex resumed>)        = 0
[pid   545] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   544] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   545] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   544] <... futex resumed>)        = 0
[pid   545] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   544] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   545] <... openat resumed>)       = 3
[pid   545] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   547] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   543] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 548
[pid   547] <... set_robust_list resumed>) = 0
[pid   543] <... futex resumed>)        = 1
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 548 attached
[pid   546] <... futex resumed>)        = 0
[pid   545] <... futex resumed>)        = 1
[pid   544] <... futex resumed>)        = 0
[pid   548] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   547] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   546] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   545] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   544] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   543] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   548] <... set_robust_list resumed>) = 0
[pid   547] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   546] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   545] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   544] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   548] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   547] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   546] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   545] write(3, "\x38\x00", 2 <unfinished ...>
[pid   544] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   548] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   547] <... prctl resumed>)        = 0
[pid   546] <... futex resumed>)        = 1
[pid   545] <... write resumed>)        = 2
[pid   543] <... futex resumed>)        = 0
[pid   548] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   547] setpgid(0, 0 <unfinished ...>
[pid   546] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   545] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   543] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   547] <... setpgid resumed>)      = 0
[pid   546] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   545] <... futex resumed>)        = 1
[pid   544] <... futex resumed>)        = 0
[pid   543] <... futex resumed>)        = 0
[pid   548] <... prctl resumed>)        = 0
[pid   547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   546] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   545] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   544] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   543] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   548] setpgid(0, 0 <unfinished ...>
[pid   546] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   545] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   544] <... futex resumed>)        = 0
[pid   548] <... setpgid resumed>)      = 0
[pid   546] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   545] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   544] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   547] <... openat resumed>)       = 3
[pid   546] <... futex resumed>)        = 1
[pid   545] <... openat resumed>)       = 4
[pid   543] <... futex resumed>)        = 0
[pid   548] <... openat resumed>)       = 3
[pid   547] write(3, "1000", 4 <unfinished ...>
[pid   546] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   543] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   547] <... write resumed>)        = 4
[pid   545] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   543] <... futex resumed>)        = 0
[pid   547] close(3 <unfinished ...>
[pid   543] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   547] <... close resumed>)        = 0
[pid   548] write(3, "1000", 4 <unfinished ...>
[pid   546] <... openat resumed>)       = 3
[pid   545] <... futex resumed>)        = 1
[pid   544] <... futex resumed>)        = 0
[pid   548] <... write resumed>)        = 4
executing program
[pid   547] write(1, "executing program\n", 18 <unfinished ...>
[pid   546] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   545] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   544] exit_group(0 <unfinished ...>
[pid   548] close(3 <unfinished ...>
[pid   547] <... write resumed>)        = 18
[pid   546] <... futex resumed>)        = 1
[pid   545] <... futex resumed>)        = ?
[pid   544] <... exit_group resumed>)   = ?
[pid   548] <... close resumed>)        = 0
[pid   547] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   546] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   545] +++ exited with 0 +++
[pid   544] +++ exited with 0 +++
[pid   543] <... futex resumed>)        = 0
[pid   548] write(1, "executing program\n", 18 <unfinished ...>
[pid   547] <... futex resumed>)        = 0
[pid   543] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   548] <... write resumed>)        = 18
executing program
[pid   547] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   548] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   547] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   548] <... futex resumed>)        = 0
[pid   547] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   546] <... futex resumed>)        = 0
[pid   543] <... futex resumed>)        = 1
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=544, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   548] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   547] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   546] write(3, "\x38\x00", 2 <unfinished ...>
[pid   543] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   548] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   546] <... write resumed>)        = 2
[pid   548] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   546] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   548] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   547] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   546] <... futex resumed>)        = 0
[pid   543] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   546] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   548] <... mmap resumed>)         = 0x7fb4de009000
[pid   548] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   548] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   548] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 550 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 549 attached
 <unfinished ...>
[pid   550] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   549] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   550] <... set_robust_list resumed>) = 0
[pid   548] <... clone3 resumed> => {parent_tid=[550]}, 88) = 550
[pid   550] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   549] <... set_robust_list resumed>) = 0
[pid   548] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   550] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   549] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   548] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   547] <... mmap resumed>)         = 0x7fb4de009000
[pid   543] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 549
[pid   550] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   549] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   548] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   547] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   546] <... futex resumed>)        = 0
[pid   543] <... futex resumed>)        = 1
[pid   550] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   549] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   548] <... futex resumed>)        = 0
[pid   547] <... mprotect resumed>)     = 0
[pid   546] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   543] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   550] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   549] <... prctl resumed>)        = 0
[pid   548] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   546] <... openat resumed>)       = 4
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   550] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   549] setpgid(0, 0)               = 0
[pid   546] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   547] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   550] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   547] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   546] <... futex resumed>)        = 1
[pid   543] <... futex resumed>)        = 0
[pid   550] <... futex resumed>)        = 1
[pid   549] <... openat resumed>)       = 3
[pid   548] <... futex resumed>)        = 0
[pid   547] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   546] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   550] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   543] exit_group(0 <unfinished ...>
[pid   550] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   549] write(3, "1000", 4 <unfinished ...>
[pid   548] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   550] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   549] <... write resumed>)        = 4
[pid   548] <... futex resumed>)        = 0
[pid   546] <... futex resumed>)        = ?
[pid   543] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 551 attached
[pid   550] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   549] close(3 <unfinished ...>
[pid   548] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   546] +++ exited with 0 +++
[pid   551] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   550] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   549] <... close resumed>)        = 0
[pid   551] <... set_robust_list resumed>) = 0
[pid   550] <... futex resumed>)        = 1
[pid   549] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   548] <... futex resumed>)        = 0
[pid   547] <... clone3 resumed> => {parent_tid=[551]}, 88) = 551
[pid   551] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   550] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   549] <... write resumed>)        = 18
[pid   548] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   547] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   551] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   550] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   549] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   548] <... futex resumed>)        = 0
[pid   547] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   551] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   550] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   549] <... futex resumed>)        = 0
[pid   548] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   550] <... openat resumed>)       = 3
[pid   549] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   550] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   549] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   543] +++ exited with 0 +++
[pid   547] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   550] <... futex resumed>)        = 1
[pid   549] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   548] <... futex resumed>)        = 0
[pid   547] <... futex resumed>)        = 1
[pid   551] <... futex resumed>)        = 0
[pid   550] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   549] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   548] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   550] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   549] <... mmap resumed>)         = 0x7fb4de009000
[pid   548] <... futex resumed>)        = 0
[pid   551] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   547] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=543, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   550] write(3, "\x38\x00", 2 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   550] <... write resumed>)        = 2
[pid   549] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   548] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   550] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   549] <... mprotect resumed>)     = 0
[pid   548] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   550] <... futex resumed>)        = 0
[pid   549] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   548] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   550] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   549] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   548] <... futex resumed>)        = 0
[pid   550] <... openat resumed>)       = 4
[pid   549] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   548] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   551] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   550] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   548] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   548] exit_group(0 <unfinished ...>
[pid   550] <... futex resumed>)        = ?
[pid   549] <... clone3 resumed> => {parent_tid=[552]}, 88) = 552
[pid   548] <... exit_group resumed>)   = ?
[pid   550] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 552 attached
[pid   551] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   549] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   548] +++ exited with 0 +++
[pid   552] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   551] <... futex resumed>)        = 1
[pid   549] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   547] <... futex resumed>)        = 0
[pid   552] <... set_robust_list resumed>) = 0
[pid   551] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   549] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   547] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=548, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   552] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   551] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   547] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   552] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   551] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   549] <... futex resumed>)        = 0
[pid   549] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   552] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   547] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   551] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   552] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   551] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   552] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   551] <... futex resumed>)        = 0
[pid   552] <... futex resumed>)        = 1
[pid   551] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   549] <... futex resumed>)        = 0
[pid   547] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   552] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   549] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   547] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   552] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   551] <... futex resumed>)        = 0
[pid   549] <... futex resumed>)        = 0
[pid   547] <... futex resumed>)        = 1
[pid   552] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   549] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   547] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   551] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   552] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   552] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   551] <... openat resumed>)       = 3
[pid   315] <... restart_syscall resumed>) = 0
[pid   551] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   552] <... futex resumed>)        = 1
[pid   551] <... futex resumed>)        = 1
[pid   549] <... futex resumed>)        = 0
[pid   547] <... futex resumed>)        = 0
[pid   552] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   551] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   549] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   547] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   552] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   551] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   549] <... futex resumed>)        = 0
[pid   552] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   551] write(3, "\x38\x00", 2 <unfinished ...>
[pid   549] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   547] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   552] <... openat resumed>)       = 3
[pid   551] <... write resumed>)        = 2
[pid   547] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   552] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   551] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   547] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   552] <... futex resumed>)        = 1
[pid   551] <... futex resumed>)        = 0
[pid   547] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   549] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 553 attached
[pid   552] write(3, "\x38\x00", 2 <unfinished ...>
[pid   551] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   549] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   547] <... futex resumed>)        = 0
[pid   553] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   552] <... write resumed>)        = 2
[pid   551] <... openat resumed>)       = 4
[pid   549] <... futex resumed>)        = 0
[pid   547] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 553
[pid   553] <... set_robust_list resumed>) = 0
[pid   552] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   551] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   549] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   547] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   553] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   552] <... futex resumed>)        = 0
[pid   551] <... futex resumed>)        = 0
[pid   549] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   553] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   552] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   551] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   549] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   547] exit_group(0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   552] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   547] <... exit_group resumed>)   = ?
[pid   551] <... futex resumed>)        = ?
[pid   549] <... futex resumed>)        = 0
[pid   553] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   552] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   549] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   551] +++ exited with 0 +++
[pid   553] <... prctl resumed>)        = 0
[pid   553] setpgid(0, 0)               = 0
[pid   552] <... openat resumed>)       = 4
[pid   552] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   552] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   549] <... futex resumed>)        = 0
[pid   547] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=547, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   549] exit_group(0 <unfinished ...>
[pid   553] <... openat resumed>)       = 3
[pid   552] <... futex resumed>)        = ?
[pid   549] <... exit_group resumed>)   = ?
[pid   312] <... restart_syscall resumed>) = 0
[pid   552] +++ exited with 0 +++
[pid   553] write(3, "1000", 4)         = 4
[pid   553] close(3)                    = 0
[pid   553] write(1, "executing program\n", 18) = 18
[pid   549] +++ exited with 0 +++
executing program
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   553] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=549, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   553] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   553] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   553] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   553] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 554 attached
 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 554
[pid   554] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   553] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   553] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   554] <... set_robust_list resumed>) = 0
[pid   553] <... mprotect resumed>)     = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   554] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   553] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   553] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   554] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-6-12-rust/strace-static-x86_64: Process 555 attached
 <unfinished ...>
[pid   555] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   554] <... prctl resumed>)        = 0
[pid   553] <... clone3 resumed> => {parent_tid=[555]}, 88) = 555
[pid   555] <... set_robust_list resumed>) = 0
[pid   554] setpgid(0, 0 <unfinished ...>
[pid   553] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   555] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   554] <... setpgid resumed>)      = 0
[pid   553] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   555] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   553] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   555] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   553] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   555] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   553] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   555] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   553] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   555] <... futex resumed>)        = 0
[pid   553] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   555] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   553] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 556 attached
[pid   555] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   553] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   555] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   553] <... futex resumed>)        = 0
[pid   553] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   555] <... futex resumed>)        = 1
[pid   555] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   553] <... futex resumed>)        = 0
[pid   555] <... openat resumed>)       = 3
[pid   553] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   555] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   553] <... futex resumed>)        = 0
[pid   555] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   553] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   555] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   553] <... futex resumed>)        = 0
[pid   555] write(3, "\x38\x00", 2 <unfinished ...>
[pid   553] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   555] <... write resumed>)        = 2
[pid   555] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   553] <... futex resumed>)        = 0
[pid   555] <... futex resumed>)        = 1
[pid   553] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   555] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   553] <... futex resumed>)        = 0
[pid   555] <... openat resumed>)       = 4
[pid   553] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   555] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   553] <... futex resumed>)        = 0
[pid   555] <... futex resumed>)        = 1
[pid   555] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   553] exit_group(0 <unfinished ...>
[pid   555] <... futex resumed>)        = ?
[pid   553] <... exit_group resumed>)   = ?
[pid   556] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   555] +++ exited with 0 +++
[pid   554] <... openat resumed>)       = 3
[pid   553] +++ exited with 0 +++
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 556
[pid   556] <... set_robust_list resumed>) = 0
[pid   554] write(3, "1000", 4 <unfinished ...>
[pid   556] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   554] <... write resumed>)        = 4
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   556] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   554] close(3 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=553, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   556] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   554] <... close resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   556] <... prctl resumed>)        = 0
[pid   554] write(1, "executing program\n", 18 <unfinished ...>
[pid   556] setpgid(0, 0 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   556] <... setpgid resumed>)      = 0
[pid   554] <... write resumed>)        = 18
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   554] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   554] <... futex resumed>)        = 0
executing program
[pid   556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   554] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   556] <... openat resumed>)       = 3
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   554] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   556] write(3, "1000", 4 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 558 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 557 attached
 <unfinished ...>
[pid   556] <... write resumed>)        = 4
[pid   554] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   556] close(3 <unfinished ...>
[pid   554] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 557
[pid   558] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   556] <... close resumed>)        = 0
[pid   554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   558] <... set_robust_list resumed>) = 0
[pid   557] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   556] write(1, "executing program\n", 18 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   557] <... set_robust_list resumed>) = 0
[pid   556] <... write resumed>)        = 18
[pid   554] <... mmap resumed>)         = 0x7fb4de009000
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   556] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   554] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   556] <... futex resumed>)        = 0
[pid   558] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   556] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   558] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   557] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   554] <... mprotect resumed>)     = 0
[pid   556] <... rt_sigaction resumed>, NULL, 8) = 0
executing program
[pid   558] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   557] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   556] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   554] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 558
[pid   558] <... prctl resumed>)        = 0
[pid   557] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   556] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   554] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   558] setpgid(0, 0 <unfinished ...>
[pid   557] <... prctl resumed>)        = 0
[pid   556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   554] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   558] <... setpgid resumed>)      = 0
[pid   557] setpgid(0, 0ci2-android-6-12-rust/strace-static-x86_64: Process 559 attached
 <unfinished ...>
[pid   558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   557] <... setpgid resumed>)      = 0
[pid   556] <... mmap resumed>)         = 0x7fb4de009000
[pid   554] <... clone3 resumed> => {parent_tid=[559]}, 88) = 559
[pid   559] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   556] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   554] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   559] <... set_robust_list resumed>) = 0
[pid   558] <... openat resumed>)       = 3
[pid   559] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   558] write(3, "1000", 4 <unfinished ...>
[pid   556] <... mprotect resumed>)     = 0
[pid   554] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   559] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   557] <... openat resumed>)       = 3
[pid   554] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   559] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   558] <... write resumed>)        = 4
[pid   557] write(3, "1000", 4 <unfinished ...>
[pid   556] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   554] <... futex resumed>)        = 0
[pid   558] close(3 <unfinished ...>
[pid   557] <... write resumed>)        = 4
[pid   556] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   558] <... close resumed>)        = 0
[pid   557] close(3 <unfinished ...>
[pid   554] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   556] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   558] write(1, "executing program\n", 18 <unfinished ...>
[pid   557] <... close resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 560 attached
executing program
[pid   559] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   558] <... write resumed>)        = 18
[pid   557] write(1, "executing program\n", 18 <unfinished ...>
[pid   560] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   559] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   558] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   557] <... write resumed>)        = 18
[pid   560] <... set_robust_list resumed>) = 0
[pid   559] <... futex resumed>)        = 1
[pid   556] <... clone3 resumed> => {parent_tid=[560]}, 88) = 560
[pid   554] <... futex resumed>)        = 0
[pid   560] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   559] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   558] <... futex resumed>)        = 0
[pid   557] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   556] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   554] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   560] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   559] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   558] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   557] <... futex resumed>)        = 0
[pid   556] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   554] <... futex resumed>)        = 0
[pid   560] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
executing program
[pid   559] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   558] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   557] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   556] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   554] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   560] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   559] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   558] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   557] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   556] <... futex resumed>)        = 0
[pid   560] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   559] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   558] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   557] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   560] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   559] <... futex resumed>)        = 1
[pid   558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   557] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   556] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   554] <... futex resumed>)        = 0
[pid   560] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   559] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   558] <... mmap resumed>)         = 0x7fb4de009000
[pid   557] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   556] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   554] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   560] <... futex resumed>)        = 0
[pid   559] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   558] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   557] <... mmap resumed>)         = 0x7fb4de009000
[pid   556] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   554] <... futex resumed>)        = 0
[pid   560] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   559] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   558] <... mprotect resumed>)     = 0
[pid   557] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   556] <... futex resumed>)        = 0
[pid   554] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   560] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   559] <... openat resumed>)       = 3
[pid   556] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   560] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   559] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   558] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   557] <... mprotect resumed>)     = 0
[pid   560] <... futex resumed>)        = 0
[pid   558] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   556] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   560] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   558] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   557] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   556] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   560] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 561 attached
[pid   560] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   559] <... futex resumed>)        = 1
[pid   557] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   556] <... futex resumed>)        = 0
[pid   554] <... futex resumed>)        = 0
[pid   561] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   560] <... openat resumed>)       = 3
[pid   559] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   558] <... clone3 resumed> => {parent_tid=[561]}, 88) = 561
[pid   557] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   556] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   554] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 562 attached
 <unfinished ...>
[pid   561] <... set_robust_list resumed>) = 0
[pid   560] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   559] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   558] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   556] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   554] <... futex resumed>)        = 0
[pid   562] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   561] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   560] <... futex resumed>)        = 0
[pid   559] write(3, "\x38\x00", 2 <unfinished ...>
[pid   558] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   557] <... clone3 resumed> => {parent_tid=[562]}, 88) = 562
[pid   556] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   554] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   562] <... set_robust_list resumed>) = 0
[pid   561] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   560] write(3, "\x38\x00", 2 <unfinished ...>
[pid   559] <... write resumed>)        = 2
[pid   558] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   557] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   556] <... futex resumed>)        = 0
[pid   562] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   561] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   560] <... write resumed>)        = 2
[pid   559] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   558] <... futex resumed>)        = 0
[pid   557] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   556] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   562] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   561] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   560] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   558] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   557] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   556] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   562] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   561] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   560] <... futex resumed>)        = 0
[pid   558] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   557] <... futex resumed>)        = 0
[pid   556] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   562] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   561] <... futex resumed>)        = 0
[pid   560] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   558] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   557] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   556] <... futex resumed>)        = 0
[pid   562] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   561] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   560] <... openat resumed>)       = 4
[pid   558] <... futex resumed>)        = 0
[pid   557] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   556] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   562] <... futex resumed>)        = 0
[pid   561] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   560] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   558] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   557] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   556] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   562] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   561] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   560] <... futex resumed>)        = 0
[pid   558] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   557] <... futex resumed>)        = 0
[pid   562] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   561] <... futex resumed>)        = 0
[pid   560] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   559] <... futex resumed>)        = 1
[pid   558] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   556] exit_group(0 <unfinished ...>
[pid   554] <... futex resumed>)        = 0
[pid   562] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   561] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   560] <... futex resumed>)        = ?
[pid   559] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   558] <... futex resumed>)        = 0
[pid   557] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   556] <... exit_group resumed>)   = ?
[pid   554] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   562] <... futex resumed>)        = 0
[pid   561] <... openat resumed>)       = 3
[pid   560] +++ exited with 0 +++
[pid   559] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   558] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   557] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   554] <... futex resumed>)        = 0
[pid   559] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   554] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   562] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   561] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   559] <... openat resumed>)       = 4
[pid   558] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   557] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   556] +++ exited with 0 +++
[pid   562] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   561] <... futex resumed>)        = 0
[pid   559] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   558] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   557] <... futex resumed>)        = 0
[pid   562] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   561] write(3, "\x38\x00", 2 <unfinished ...>
[pid   559] <... futex resumed>)        = 1
[pid   558] <... futex resumed>)        = 0
[pid   557] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   554] <... futex resumed>)        = 0
[pid   562] <... openat resumed>)       = 3
[pid   561] <... write resumed>)        = 2
[pid   559] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   558] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   554] exit_group(0 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=556, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   562] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   561] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   559] <... futex resumed>)        = ?
[pid   558] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   554] <... exit_group resumed>)   = ?
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   562] <... futex resumed>)        = 1
[pid   561] <... futex resumed>)        = 0
[pid   559] +++ exited with 0 +++
[pid   558] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   557] <... futex resumed>)        = 0
[pid   554] +++ exited with 0 +++
[pid   562] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   561] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   558] <... futex resumed>)        = 0
[pid   557] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   562] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   562] write(3, "\x38\x00", 2 <unfinished ...>
[pid   561] <... openat resumed>)       = 4
[pid   558] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   557] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=554, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   562] <... write resumed>)        = 2
[pid   561] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   558] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   562] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   561] <... futex resumed>)        = 0
[pid   557] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   558] exit_group(0 <unfinished ...>
[pid   562] <... futex resumed>)        = 0
[pid   561] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   562] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   558] <... exit_group resumed>)   = ?
[pid   557] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   561] <... futex resumed>)        = ?
[pid   561] +++ exited with 0 +++
[pid   557] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   562] <... futex resumed>)        = 0
[pid   562] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid   558] +++ exited with 0 +++
[pid   557] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=558, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   562] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   557] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   562] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   557] exit_group(0 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   562] <... futex resumed>)        = ?
[pid   557] <... exit_group resumed>)   = ?
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   562] +++ exited with 0 +++
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 563 attached
, child_tidptr=0x55557716c690) = 563
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 564
[pid   563] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   557] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 564 attached
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   564] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   563] <... set_robust_list resumed>) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=557, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   564] <... set_robust_list resumed>) = 0
[pid   563] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   563] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   564] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   563] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   564] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 565 attached
[pid   564] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   563] <... prctl resumed>)        = 0
[pid   565] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   564] <... prctl resumed>)        = 0
[pid   563] setpgid(0, 0 <unfinished ...>
[pid   565] <... set_robust_list resumed>) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 565
[pid   563] <... setpgid resumed>)      = 0
[pid   565] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   564] setpgid(0, 0 <unfinished ...>
[pid   563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   564] <... setpgid resumed>)      = 0
[pid   565] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   563] <... openat resumed>)       = 3
[pid   565] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   564] <... openat resumed>)       = 3
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   565] <... prctl resumed>)        = 0
[pid   563] write(3, "1000", 4 <unfinished ...>
[pid   565] setpgid(0, 0)               = 0
[pid   563] <... write resumed>)        = 4
[pid   565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   564] write(3, "1000", 4 <unfinished ...>
[pid   563] close(3 <unfinished ...>
[pid   565] <... openat resumed>)       = 3
[pid   564] <... write resumed>)        = 4
[pid   315] <... restart_syscall resumed>) = 0
[pid   565] write(3, "1000", 4 <unfinished ...>
[pid   564] close(3 <unfinished ...>
[pid   563] <... close resumed>)        = 0
[pid   565] <... write resumed>)        = 4
[pid   564] <... close resumed>)        = 0
executing program
[pid   563] write(1, "executing program\n", 18 <unfinished ...>
[pid   565] close(3 <unfinished ...>
[pid   564] write(1, "executing program\n", 18 <unfinished ...>
[pid   563] <... write resumed>)        = 18
executing program
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   565] <... close resumed>)        = 0
[pid   564] <... write resumed>)        = 18
[pid   563] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   565] write(1, "executing program\n", 18 <unfinished ...>
[pid   564] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   563] <... futex resumed>)        = 0
executing program
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 566 attached
 <unfinished ...>
[pid   565] <... write resumed>)        = 18
[pid   564] <... futex resumed>)        = 0
[pid   563] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   566] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   565] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   564] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   563] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 566
[pid   566] <... set_robust_list resumed>) = 0
[pid   565] <... futex resumed>)        = 0
[pid   564] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   563] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   566] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   565] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   563] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   566] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   565] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   564] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   563] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   566] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   565] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   564] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   566] <... prctl resumed>)        = 0
[pid   565] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   563] <... mmap resumed>)         = 0x7fb4de009000
[pid   566] setpgid(0, 0 <unfinished ...>
[pid   565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   564] <... mmap resumed>)         = 0x7fb4de009000
[pid   563] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   564] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   566] <... setpgid resumed>)      = 0
[pid   565] <... mmap resumed>)         = 0x7fb4de009000
[pid   564] <... mprotect resumed>)     = 0
[pid   566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   565] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   564] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   563] <... mprotect resumed>)     = 0
[pid   565] <... mprotect resumed>)     = 0
[pid   564] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   564] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   563] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 567 attached
 <unfinished ...>
[pid   565] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   567] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   567] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   564] <... clone3 resumed> => {parent_tid=[567]}, 88) = 567
[pid   566] <... openat resumed>)       = 3
[pid   565] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   563] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   566] write(3, "1000", 4 <unfinished ...>
[pid   565] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   563] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   566] <... write resumed>)        = 4
ci2-android-6-12-rust/strace-static-x86_64: Process 568 attached
[pid   567] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   564] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 569 attached
 <unfinished ...>
[pid   568] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   567] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   566] close(3 <unfinished ...>
[pid   565] <... clone3 resumed> => {parent_tid=[568]}, 88) = 568
[pid   564] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   569] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   568] <... set_robust_list resumed>) = 0
[pid   566] <... close resumed>)        = 0
[pid   565] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   564] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   569] <... set_robust_list resumed>) = 0
[pid   568] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   567] <... futex resumed>)        = 0
[pid   564] <... futex resumed>)        = 1
[pid   569] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   568] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   567] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   564] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   569] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   568] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   567] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   569] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   567] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   564] <... futex resumed>)        = 0
[pid   567] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   564] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   567] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   564] <... futex resumed>)        = 0
[pid   567] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   564] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   567] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   566] write(1, "executing program\n", 18 <unfinished ...>
[pid   565] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   563] <... clone3 resumed> => {parent_tid=[569]}, 88) = 569
[pid   566] <... write resumed>)        = 18
[pid   565] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   563] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   566] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   565] <... futex resumed>)        = 1
[pid   563] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   566] <... futex resumed>)        = 0
executing program
[pid   565] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   563] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   566] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   563] <... futex resumed>)        = 1
[pid   566] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   569] <... futex resumed>)        = 0
[pid   568] <... futex resumed>)        = 0
[pid   567] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   563] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   569] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   568] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   567] <... futex resumed>)        = 1
[pid   566] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   564] <... futex resumed>)        = 0
[pid   569] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   568] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   567] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   566] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   564] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   569] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   568] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   567] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   566] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   564] <... futex resumed>)        = 0
[pid   569] <... futex resumed>)        = 1
[pid   568] <... futex resumed>)        = 1
[pid   567] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   565] <... futex resumed>)        = 0
[pid   564] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   563] <... futex resumed>)        = 0
[pid   569] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   568] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   567] <... openat resumed>)       = 3
[pid   566] <... mmap resumed>)         = 0x7fb4de009000
[pid   565] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   563] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   569] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   568] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   567] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   566] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   565] <... futex resumed>)        = 0
[pid   563] <... futex resumed>)        = 0
[pid   569] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   568] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   567] <... futex resumed>)        = 1
[pid   566] <... mprotect resumed>)     = 0
[pid   565] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   564] <... futex resumed>)        = 0
[pid   563] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   569] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   568] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   567] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   564] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   569] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   568] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   567] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   566] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   564] <... futex resumed>)        = 0
[pid   569] <... futex resumed>)        = 1
[pid   568] <... futex resumed>)        = 1
[pid   567] write(3, "\x38\x00", 2 <unfinished ...>
[pid   565] <... futex resumed>)        = 0
[pid   564] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   563] <... futex resumed>)        = 0
[pid   569] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   568] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   567] <... write resumed>)        = 2
[pid   566] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   565] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   568] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   567] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   566] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   565] <... futex resumed>)        = 0
[pid   563] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   568] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   565] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   563] <... futex resumed>)        = 1
[pid   563] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   569] <... futex resumed>)        = 0
[pid   568] <... openat resumed>)       = 3
[pid   567] <... futex resumed>)        = 1
[pid   564] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 570 attached
[pid   569] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   568] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   567] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   564] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   570] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   569] <... openat resumed>)       = 3
[pid   568] <... futex resumed>)        = 1
[pid   567] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   564] <... futex resumed>)        = 0
[pid   570] <... set_robust_list resumed>) = 0
[pid   569] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   568] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   567] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   564] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   570] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   569] <... futex resumed>)        = 1
[pid   567] <... openat resumed>)       = 4
[pid   565] <... futex resumed>)        = 0
[pid   563] <... futex resumed>)        = 0
[pid   570] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   569] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   567] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   566] <... clone3 resumed> => {parent_tid=[570]}, 88) = 570
[pid   565] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   563] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   570] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   569] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   568] <... futex resumed>)        = 0
[pid   567] <... futex resumed>)        = 1
[pid   566] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   565] <... futex resumed>)        = 1
[pid   564] <... futex resumed>)        = 0
[pid   563] <... futex resumed>)        = 0
[pid   569] write(3, "\x38\x00", 2 <unfinished ...>
[pid   568] write(3, "\x38\x00", 2 <unfinished ...>
[pid   567] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   566] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   565] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   564] exit_group(0 <unfinished ...>
[pid   569] <... write resumed>)        = 2
[pid   568] <... write resumed>)        = 2
[pid   567] <... futex resumed>)        = ?
[pid   566] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   564] <... exit_group resumed>)   = ?
[pid   563] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   570] <... futex resumed>)        = 0
[pid   569] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   568] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   567] +++ exited with 0 +++
[pid   566] <... futex resumed>)        = 1
[pid   564] +++ exited with 0 +++
[pid   563] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   570] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   569] <... futex resumed>)        = 0
[pid   568] <... futex resumed>)        = 1
[pid   566] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   565] <... futex resumed>)        = 0
[pid   563] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   570] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   569] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   568] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   565] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   570] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   569] <... openat resumed>)       = 4
[pid   568] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   565] <... futex resumed>)        = 0
[pid   563] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=564, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   570] <... futex resumed>)        = 1
[pid   568] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   566] <... futex resumed>)        = 0
[pid   565] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   563] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   570] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   569] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   568] <... openat resumed>)       = 4
[pid   566] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   563] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   570] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   569] <... futex resumed>)        = 0
[pid   566] <... futex resumed>)        = 0
[pid   570] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   569] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   568] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   563] exit_group(0 <unfinished ...>
[pid   570] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   568] <... futex resumed>)        = 1
[pid   566] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   569] <... futex resumed>)        = ?
[pid   565] <... futex resumed>)        = 0
[pid   563] <... exit_group resumed>)   = ?
[pid   570] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   569] +++ exited with 0 +++
[pid   568] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   570] <... futex resumed>)        = 1
[pid   566] <... futex resumed>)        = 0
[pid   570] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   565] exit_group(0)               = ?
[pid   568] <... futex resumed>)        = ?
[pid   568] +++ exited with 0 +++
[pid   566] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   565] +++ exited with 0 +++
[pid   563] +++ exited with 0 +++
[pid   570] <... futex resumed>)        = 0
[pid   566] <... futex resumed>)        = 1
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=565, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=563, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   570] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   566] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   570] <... openat resumed>)       = 3
[pid   570] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   570] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   566] <... futex resumed>)        = 0
[pid   566] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   570] <... futex resumed>)        = 0
[pid   570] write(3, "\x38\x00", 2 <unfinished ...>
[pid   566] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   570] <... write resumed>)        = 2
[pid   570] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   566] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   570] <... futex resumed>)        = 0
[pid   570] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   566] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   570] <... openat resumed>)       = 4
[pid   566] <... futex resumed>)        = 0
[pid   570] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   566] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   570] <... futex resumed>)        = 0
[pid   566] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   570] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   566] exit_group(0 <unfinished ...>
[pid   570] <... futex resumed>)        = ?
[pid   566] <... exit_group resumed>)   = ?
[pid   570] +++ exited with 0 +++
[pid   566] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=566, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 571 attached
 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   571] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   571] <... set_robust_list resumed>) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   571] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 571
[pid   312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 572 attached
[pid   571] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   572] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   571] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 572
[pid   572] <... set_robust_list resumed>) = 0
[pid   571] <... prctl resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   572] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   571] setpgid(0, 0 <unfinished ...>
[pid   572] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   571] <... setpgid resumed>)      = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   572] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-12-rust/strace-static-x86_64: Process 573 attached
 <unfinished ...>
[pid   572] <... prctl resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   572] setpgid(0, 0 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 573
[pid   573] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   572] <... setpgid resumed>)      = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   573] <... set_robust_list resumed>) = 0
[pid   571] <... openat resumed>)       = 3
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   571] write(3, "1000", 4 <unfinished ...>
[pid   573] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   572] <... openat resumed>)       = 3
[pid   571] <... write resumed>)        = 4
[pid   573] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   572] write(3, "1000", 4 <unfinished ...>
[pid   573] <... prctl resumed>)        = 0
[pid   571] close(3 <unfinished ...>
[pid   573] setpgid(0, 0 <unfinished ...>
[pid   572] <... write resumed>)        = 4
[pid   573] <... setpgid resumed>)      = 0
[pid   572] close(3 <unfinished ...>
[pid   571] <... close resumed>)        = 0
[pid   573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   572] <... close resumed>)        = 0
[pid   571] write(1, "executing program\n", 18 <unfinished ...>
[pid   573] <... openat resumed>)       = 3
[pid   571] <... write resumed>)        = 18
[pid   315] <... restart_syscall resumed>) = 0
[pid   573] write(3, "1000", 4 <unfinished ...>
[pid   571] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   573] <... write resumed>)        = 4
[pid   571] <... futex resumed>)        = 0
[pid   573] close(3 <unfinished ...>
[pid   571] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   573] <... close resumed>)        = 0
[pid   571] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   573] write(1, "executing program\n", 18 <unfinished ...>
[pid   571] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   573] <... write resumed>)        = 18
[pid   571] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
executing program
[pid   573] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid   572] write(1, "executing program\n", 18 <unfinished ...>
[pid   571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   573] <... futex resumed>)        = 0
[pid   572] <... write resumed>)        = 18
[pid   571] <... mmap resumed>)         = 0x7fb4de009000
[pid   573] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   572] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   571] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   573] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   572] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   573] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   572] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   571] <... mprotect resumed>)     = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 574 attached
 <unfinished ...>
[pid   573] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   572] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   571] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   574] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   573] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   572] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   571] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   574] <... set_robust_list resumed>) = 0
[pid   573] <... mmap resumed>)         = 0x7fb4de009000
[pid   571] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   574] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   573] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   572] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 574
ci2-android-6-12-rust/strace-static-x86_64: Process 575 attached
[pid   574] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   573] <... mprotect resumed>)     = 0
[pid   572] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   575] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   574] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   573] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   572] <... mmap resumed>)         = 0x7fb4de009000
[pid   571] <... clone3 resumed> => {parent_tid=[575]}, 88) = 575
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   575] <... set_robust_list resumed>) = 0
[pid   574] <... prctl resumed>)        = 0
[pid   573] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   572] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   571] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   575] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   574] setpgid(0, 0 <unfinished ...>
[pid   573] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   572] <... mprotect resumed>)     = 0
[pid   571] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   575] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   574] <... setpgid resumed>)      = 0
[pid   572] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   571] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 576 attached
 <unfinished ...>
[pid   575] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   573] <... clone3 resumed> => {parent_tid=[576]}, 88) = 576
[pid   572] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   571] <... futex resumed>)        = 0
[pid   575] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   573] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   575] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   571] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   574] <... openat resumed>)       = 3
[pid   575] <... futex resumed>)        = 0
[pid   574] write(3, "1000", 4 <unfinished ...>
[pid   573] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   571] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   575] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   574] <... write resumed>)        = 4
[pid   573] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   571] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   575] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   574] close(3 <unfinished ...>
[pid   573] <... futex resumed>)        = 0
[pid   571] <... futex resumed>)        = 0
[pid   575] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   574] <... close resumed>)        = 0
[pid   573] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   571] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   576] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   575] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   574] write(1, "executing program\n", 18 <unfinished ...>
[pid   572] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 577 attached
 <unfinished ...>
[pid   576] <... set_robust_list resumed>) = 0
[pid   575] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   574] <... write resumed>)        = 18
executing program
[pid   577] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   576] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   575] <... futex resumed>)        = 1
[pid   574] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   572] <... clone3 resumed> => {parent_tid=[577]}, 88) = 577
[pid   571] <... futex resumed>)        = 0
[pid   577] <... set_robust_list resumed>) = 0
[pid   576] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   575] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   574] <... futex resumed>)        = 0
[pid   572] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   577] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   576] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   575] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   574] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   572] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   571] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   577] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   576] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   575] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   574] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   572] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   571] <... futex resumed>)        = 0
[pid   577] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   576] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   575] <... openat resumed>)       = 3
[pid   574] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   572] <... futex resumed>)        = 0
[pid   571] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   577] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   576] <... futex resumed>)        = 1
[pid   575] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   574] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   573] <... futex resumed>)        = 0
[pid   572] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   571] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   577] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   576] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   575] <... futex resumed>)        = 0
[pid   574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   573] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   572] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   571] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   577] <... futex resumed>)        = 0
[pid   576] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   575] write(3, "\x38\x00", 2 <unfinished ...>
[pid   574] <... mmap resumed>)         = 0x7fb4de009000
[pid   573] <... futex resumed>)        = 0
[pid   572] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   571] <... futex resumed>)        = 0
[pid   577] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   576] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   575] <... write resumed>)        = 2
[pid   574] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   573] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   572] <... futex resumed>)        = 0
[pid   571] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   577] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   576] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   575] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   574] <... mprotect resumed>)     = 0
[pid   572] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   577] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   576] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   575] <... futex resumed>)        = 0
[pid   574] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   572] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   571] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   577] <... futex resumed>)        = 0
[pid   576] <... futex resumed>)        = 1
[pid   575] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   574] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   573] <... futex resumed>)        = 0
[pid   572] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   571] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   577] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   576] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   575] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   574] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   573] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   572] <... futex resumed>)        = 0
[pid   571] <... futex resumed>)        = 0
[pid   577] <... openat resumed>)       = 3
[pid   576] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   575] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   572] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 578 attached
 <unfinished ...>
[pid   577] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   576] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   575] <... openat resumed>)       = 4
[pid   573] <... futex resumed>)        = 0
[pid   572] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   571] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   578] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   577] <... futex resumed>)        = 0
[pid   576] <... openat resumed>)       = 3
[pid   575] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   574] <... clone3 resumed> => {parent_tid=[578]}, 88) = 578
[pid   573] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   572] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   571] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   578] <... set_robust_list resumed>) = 0
[pid   577] write(3, "\x38\x00", 2 <unfinished ...>
[pid   576] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   575] <... futex resumed>)        = 0
[pid   574] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   573] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   572] <... futex resumed>)        = 0
[pid   578] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   577] <... write resumed>)        = 2
[pid   576] <... futex resumed>)        = 0
[pid   575] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   574] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   573] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   572] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   571] exit_group(0 <unfinished ...>
[pid   578] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   577] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   576] write(3, "\x38\x00", 2 <unfinished ...>
[pid   574] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   573] <... futex resumed>)        = 0
[pid   572] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   578] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   577] <... futex resumed>)        = 0
[pid   576] <... write resumed>)        = 2
[pid   575] <... futex resumed>)        = ?
[pid   574] <... futex resumed>)        = 0
[pid   573] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   572] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   571] <... exit_group resumed>)   = ?
[pid   578] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   577] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   576] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   575] +++ exited with 0 +++
[pid   574] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   573] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   572] <... futex resumed>)        = 0
[pid   576] <... futex resumed>)        = 0
[pid   572] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   576] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   578] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   571] +++ exited with 0 +++
[pid   578] <... futex resumed>)        = 0
[pid   578] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   577] <... openat resumed>)       = 4
[pid   574] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   573] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=571, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   578] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   577] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   576] <... futex resumed>)        = 0
[pid   574] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   573] <... futex resumed>)        = 1
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   578] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   577] <... futex resumed>)        = 1
[pid   576] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   574] <... futex resumed>)        = 0
[pid   573] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   572] <... futex resumed>)        = 0
[pid   578] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   577] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   576] <... openat resumed>)       = 4
[pid   574] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   572] exit_group(0 <unfinished ...>
[pid   578] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   577] <... futex resumed>)        = ?
[pid   576] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   572] <... exit_group resumed>)   = ?
[pid   578] <... futex resumed>)        = 1
[pid   576] <... futex resumed>)        = 1
[pid   574] <... futex resumed>)        = 0
[pid   578] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   577] +++ exited with 0 +++
[pid   576] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   573] <... futex resumed>)        = 0
[pid   574] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   578] <... futex resumed>)        = 0
[pid   578] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid   574] <... futex resumed>)        = 1
[pid   578] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   574] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   572] +++ exited with 0 +++
[pid   573] exit_group(0 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=572, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   576] <... futex resumed>)        = ?
[pid   573] <... exit_group resumed>)   = ?
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   576] +++ exited with 0 +++
[pid   578] <... futex resumed>)        = 0
[pid   574] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] <... restart_syscall resumed>) = 0
[pid   578] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   574] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   578] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   574] <... futex resumed>)        = 0
[pid   573] +++ exited with 0 +++
[pid   578] write(3, "\x38\x00", 2 <unfinished ...>
[pid   574] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   578] <... write resumed>)        = 2
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   578] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=573, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   578] <... futex resumed>)        = 1
[pid   574] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   578] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   574] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 579 attached
[pid   578] <... openat resumed>)       = 4
[pid   574] <... futex resumed>)        = 0
[pid   579] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   574] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   578] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   579] <... set_robust_list resumed>) = 0
[pid   578] <... futex resumed>)        = 0
[pid   574] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   579] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   578] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   579] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   574] exit_group(0 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 579
[pid   579] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   578] <... futex resumed>)        = ?
[pid   574] <... exit_group resumed>)   = ?
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   579] <... prctl resumed>)        = 0
[pid   578] +++ exited with 0 +++
[pid   574] +++ exited with 0 +++
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=574, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 580 attached
 <unfinished ...>
[pid   579] setpgid(0, 0 <unfinished ...>
[pid   580] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   579] <... setpgid resumed>)      = 0
[pid   580] <... set_robust_list resumed>) = 0
[pid   579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 580
[pid   580] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   579] <... openat resumed>)       = 3
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   580] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   579] write(3, "1000", 4 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   579] <... write resumed>)        = 4
[pid   580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   580] setpgid(0, 0ci2-android-6-12-rust/strace-static-x86_64: Process 581 attached
)               = 0
[pid   579] close(3 <unfinished ...>
[pid   581] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   579] <... close resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 581
[pid   581] <... set_robust_list resumed>) = 0
[pid   579] write(1, "executing program\n", 18 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   581] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   579] <... write resumed>)        = 18
[pid   581] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid   579] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   581] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   580] <... openat resumed>)       = 3
[pid   579] <... futex resumed>)        = 0
[pid   581] <... prctl resumed>)        = 0
[pid   580] write(3, "1000", 4 <unfinished ...>
[pid   579] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   581] setpgid(0, 0 <unfinished ...>
[pid   580] <... write resumed>)        = 4
[pid   579] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   581] <... setpgid resumed>)      = 0
[pid   580] close(3 <unfinished ...>
[pid   579] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   580] <... close resumed>)        = 0
[pid   581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   579] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid   580] write(1, "executing program\n", 18 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   581] <... openat resumed>)       = 3
[pid   580] <... write resumed>)        = 18
[pid   579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   581] write(3, "1000", 4 <unfinished ...>
[pid   580] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   581] <... write resumed>)        = 4
[pid   580] <... futex resumed>)        = 0
[pid   579] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 582 attached
 <unfinished ...>
[pid   581] close(3 <unfinished ...>
[pid   580] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   579] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   582] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   581] <... close resumed>)        = 0
[pid   580] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   582] <... set_robust_list resumed>) = 0
[pid   581] write(1, "executing program\n", 18 <unfinished ...>
[pid   579] <... mprotect resumed>)     = 0
executing program
[pid   582] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   581] <... write resumed>)        = 18
[pid   580] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   579] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 582
[pid   582] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   581] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   579] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   582] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   581] <... futex resumed>)        = 0
[pid   582] <... prctl resumed>)        = 0
[pid   579] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   582] setpgid(0, 0 <unfinished ...>
[pid   581] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}ci2-android-6-12-rust/strace-static-x86_64: Process 583 attached
 <unfinished ...>
[pid   582] <... setpgid resumed>)      = 0
[pid   581] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   580] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   583] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   581] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   579] <... clone3 resumed> => {parent_tid=[583]}, 88) = 583
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   583] <... set_robust_list resumed>) = 0
[pid   582] <... openat resumed>)       = 3
[pid   581] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   580] <... mmap resumed>)         = 0x7fb4de009000
[pid   579] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   583] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   582] write(3, "1000", 4 <unfinished ...>
[pid   581] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   580] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   579] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   583] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   582] <... write resumed>)        = 4
[pid   581] <... mmap resumed>)         = 0x7fb4de009000
[pid   580] <... mprotect resumed>)     = 0
[pid   579] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   583] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   582] close(3 <unfinished ...>
[pid   581] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   580] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   583] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   582] <... close resumed>)        = 0
[pid   581] <... mprotect resumed>)     = 0
[pid   580] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   579] <... futex resumed>)        = 0
[pid   583] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   582] write(1, "executing program\n", 18 <unfinished ...>
[pid   581] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 584 attached
 <unfinished ...>
[pid   583] <... futex resumed>)        = 0
[pid   582] <... write resumed>)        = 18
[pid   581] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   579] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   584] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   583] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   582] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   581] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   580] <... clone3 resumed> => {parent_tid=[584]}, 88) = 584
executing program
ci2-android-6-12-rust/strace-static-x86_64: Process 585 attached
[pid   584] <... set_robust_list resumed>) = 0
[pid   582] <... futex resumed>)        = 0
[pid   580] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   579] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   585] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   584] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   582] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   581] <... clone3 resumed> => {parent_tid=[585]}, 88) = 585
[pid   585] <... set_robust_list resumed>) = 0
[pid   584] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   582] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   581] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   579] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   585] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   584] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   582] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   581] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   579] <... futex resumed>)        = 1
[pid   585] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   583] <... futex resumed>)        = 0
[pid   582] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   581] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   579] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   585] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   583] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   582] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   581] <... futex resumed>)        = 0
[pid   580] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   585] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   582] <... mmap resumed>)         = 0x7fb4de009000
[pid   580] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   584] <... futex resumed>)        = 0
[pid   580] <... futex resumed>)        = 1
[pid   584] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   580] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   585] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   584] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   583] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   582] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   581] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   585] <... futex resumed>)        = 0
[pid   584] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   583] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   582] <... mprotect resumed>)     = 0
[pid   581] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   585] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   584] <... futex resumed>)        = 1
[pid   583] <... futex resumed>)        = 1
[pid   580] <... futex resumed>)        = 0
[pid   579] <... futex resumed>)        = 0
[pid   585] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   584] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   583] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   582] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   581] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   580] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   585] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   584] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   583] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   582] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   581] <... futex resumed>)        = 0
[pid   580] <... futex resumed>)        = 0
[pid   579] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   585] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   584] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   583] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   582] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   581] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   580] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   585] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   584] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   583] <... openat resumed>)       = 3
[pid   581] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   579] <... futex resumed>)        = 0
[pid   585] <... futex resumed>)        = 0
[pid   583] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   582] <... clone3 resumed> => {parent_tid=[586]}, 88) = 586
[pid   581] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   579] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   585] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   583] <... futex resumed>)        = 0
[pid   582] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   581] <... futex resumed>)        = 0
[pid   579] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   585] <... openat resumed>)       = 3
[pid   583] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   582] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   581] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   579] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   585] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   583] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   582] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   581] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   579] <... futex resumed>)        = 0
[pid   585] <... futex resumed>)        = 0
[pid   583] write(3, "\x38\x00", 2 <unfinished ...>
[pid   582] <... futex resumed>)        = 0
[pid   581] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   579] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   585] write(3, "\x38\x00", 2 <unfinished ...>
[pid   583] <... write resumed>)        = 2
[pid   582] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   581] <... futex resumed>)        = 0
[pid   585] <... write resumed>)        = 2
[pid   583] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   581] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   585] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   583] <... futex resumed>)        = 1
[pid   579] <... futex resumed>)        = 0
[pid   581] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   585] <... futex resumed>)        = 0
[pid   583] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   579] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   581] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   585] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   583] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   581] <... futex resumed>)        = 0
[pid   579] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 586 attached
[pid   585] <... openat resumed>)       = 4
[pid   584] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   583] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   581] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   579] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   586] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   585] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   584] <... futex resumed>)        = 1
[pid   583] <... openat resumed>)       = 4
[pid   581] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   580] <... futex resumed>)        = 0
[pid   586] <... set_robust_list resumed>) = 0
[pid   585] <... futex resumed>)        = 0
[pid   584] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   583] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   581] exit_group(0 <unfinished ...>
[pid   580] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   586] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   584] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   583] <... futex resumed>)        = 1
[pid   581] <... exit_group resumed>)   = ?
[pid   580] <... futex resumed>)        = 0
[pid   579] <... futex resumed>)        = 0
[pid   586] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   585] +++ exited with 0 +++
[pid   584] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   583] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   580] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   584] <... openat resumed>)       = 3
[pid   584] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   581] +++ exited with 0 +++
[pid   580] <... futex resumed>)        = 0
[pid   586] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   584] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   580] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   579] exit_group(0 <unfinished ...>
[pid   586] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   584] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   580] <... futex resumed>)        = 0
[pid   586] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   584] write(3, "\x38\x00", 2 <unfinished ...>
[pid   583] <... futex resumed>)        = ?
[pid   580] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   579] <... exit_group resumed>)   = ?
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=581, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   586] <... futex resumed>)        = 1
[pid   584] <... write resumed>)        = 2
[pid   583] +++ exited with 0 +++
[pid   582] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   584] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   580] <... futex resumed>)        = 0
[pid   584] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   580] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   586] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   584] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   582] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   580] <... futex resumed>)        = 0
[pid   579] +++ exited with 0 +++
[pid   586] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   584] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   582] <... futex resumed>)        = 0
[pid   580] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   586] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   584] <... openat resumed>)       = 4
[pid   582] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=579, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid   586] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   584] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   586] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   584] <... futex resumed>)        = 1
[pid   580] <... futex resumed>)        = 0
[pid   586] <... futex resumed>)        = 1
[pid   584] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   582] <... futex resumed>)        = 0
[pid   580] exit_group(0 <unfinished ...>
[pid   586] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   584] <... futex resumed>)        = ?
[pid   582] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   580] <... exit_group resumed>)   = ?
[pid   586] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   584] +++ exited with 0 +++
[pid   582] <... futex resumed>)        = 0
[pid   580] +++ exited with 0 +++
[pid   312] <... restart_syscall resumed>) = 0
[pid   586] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   582] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   586] <... openat resumed>)       = 3
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=580, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   586] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   586] <... futex resumed>)        = 1
[pid   582] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   586] write(3, "\x38\x00", 2 <unfinished ...>
[pid   582] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 587 attached
 <unfinished ...>
[pid   586] <... write resumed>)        = 2
[pid   582] <... futex resumed>)        = 0
[pid   587] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   586] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   582] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   587] <... set_robust_list resumed>) = 0
[pid   586] <... futex resumed>)        = 0
[pid   582] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   587] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   586] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   582] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 587
[pid   587] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   586] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   582] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   586] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   582] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   587] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   586] <... openat resumed>)       = 4
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   587] setpgid(0, 0 <unfinished ...>
[pid   586] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   587] <... setpgid resumed>)      = 0
[pid   586] <... futex resumed>)        = 1
[pid   582] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   582] exit_group(0 <unfinished ...>
[pid   587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   582] <... exit_group resumed>)   = ?
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   587] <... openat resumed>)       = 3
[pid   587] write(3, "1000", 4ci2-android-6-12-rust/strace-static-x86_64: Process 588 attached
)         = 4
[pid   587] close(3)                    = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 589 attached
executing program
[pid   587] write(1, "executing program\n", 18) = 18
[pid   587] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   587] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   587] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   586] +++ exited with 0 +++
[pid   582] +++ exited with 0 +++
[pid   589] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   588] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   587] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=582, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   589] <... set_robust_list resumed>) = 0
[pid   588] <... set_robust_list resumed>) = 0
[pid   587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   589] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   588] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   587] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] <... restart_syscall resumed>) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 589
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 588
[pid   589] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   588] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   587] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   589] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   588] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   587] <... mprotect resumed>)     = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   589] <... prctl resumed>)        = 0
[pid   588] <... prctl resumed>)        = 0
[pid   587] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   589] setpgid(0, 0 <unfinished ...>
[pid   588] setpgid(0, 0 <unfinished ...>
[pid   589] <... setpgid resumed>)      = 0
[pid   588] <... setpgid resumed>)      = 0
[pid   589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   587] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   589] <... openat resumed>)       = 3
[pid   587] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 591 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 590 attached
 <unfinished ...>
[pid   589] write(3, "1000", 4 <unfinished ...>
[pid   588] <... openat resumed>)       = 3
[pid   591] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   590] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   589] <... write resumed>)        = 4
[pid   588] write(3, "1000", 4 <unfinished ...>
[pid   587] <... clone3 resumed> => {parent_tid=[590]}, 88) = 590
[pid   591] <... set_robust_list resumed>) = 0
[pid   590] <... set_robust_list resumed>) = 0
[pid   589] close(3 <unfinished ...>
[pid   588] <... write resumed>)        = 4
[pid   591] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   590] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   589] <... close resumed>)        = 0
[pid   588] close(3 <unfinished ...>
[pid   587] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 591
[pid   591] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   590] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   589] write(1, "executing program\n", 18 <unfinished ...>
[pid   588] <... close resumed>)        = 0
[pid   587] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   591] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   590] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   589] <... write resumed>)        = 18
[pid   588] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   587] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   591] <... prctl resumed>)        = 0
[pid   590] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   589] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   588] <... write resumed>)        = 18
[pid   587] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   591] setpgid(0, 0 <unfinished ...>
[pid   590] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   589] <... futex resumed>)        = 0
[pid   588] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   587] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   591] <... setpgid resumed>)      = 0
[pid   590] <... futex resumed>)        = 0
[pid   589] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   588] <... futex resumed>)        = 0
[pid   587] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   590] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   589] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   588] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   587] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   590] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   589] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   588] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   587] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
executing program
[pid   591] <... openat resumed>)       = 3
[pid   590] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   589] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   588] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   587] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   591] write(3, "1000", 4 <unfinished ...>
[pid   590] <... futex resumed>)        = 0
[pid   589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   588] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   591] <... write resumed>)        = 4
[pid   590] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   589] <... mmap resumed>)         = 0x7fb4de009000
[pid   591] close(3 <unfinished ...>
[pid   588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   589] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   588] <... mmap resumed>)         = 0x7fb4de009000
[pid   591] <... close resumed>)        = 0
[pid   589] <... mprotect resumed>)     = 0
[pid   591] write(1, "executing program\n", 18 <unfinished ...>
[pid   588] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   591] <... write resumed>)        = 18
[pid   589] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   588] <... mprotect resumed>)     = 0
[pid   591] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   589] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   588] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   587] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   591] <... futex resumed>)        = 0
[pid   589] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   590] <... futex resumed>)        = 0
[pid   587] <... futex resumed>)        = 1
[pid   590] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   587] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   591] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   590] <... openat resumed>)       = 3
[pid   588] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 592 attached
[pid   591] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   590] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   589] <... clone3 resumed> => {parent_tid=[592]}, 88) = 592
[pid   588] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   592] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   591] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   590] <... futex resumed>)        = 1
[pid   589] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   587] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 593 attached
[pid   592] <... set_robust_list resumed>) = 0
[pid   591] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   590] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   589] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   588] <... clone3 resumed> => {parent_tid=[593]}, 88) = 593
[pid   587] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   593] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   592] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   590] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   589] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   588] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   587] <... futex resumed>)        = 0
[pid   593] <... set_robust_list resumed>) = 0
[pid   592] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   591] <... mmap resumed>)         = 0x7fb4de009000
[pid   590] write(3, "\x38\x00", 2 <unfinished ...>
[pid   589] <... futex resumed>)        = 0
[pid   588] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   587] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   593] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   592] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   591] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   590] <... write resumed>)        = 2
[pid   589] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   588] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   593] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   592] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   591] <... mprotect resumed>)     = 0
[pid   590] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   588] <... futex resumed>)        = 0
[pid   593] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   592] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   590] <... futex resumed>)        = 1
[pid   587] <... futex resumed>)        = 0
[pid   593] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   592] <... futex resumed>)        = 1
[pid   591] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   589] <... futex resumed>)        = 0
[pid   588] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   587] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   593] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   592] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   591] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   590] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   589] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   588] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   587] <... futex resumed>)        = 0
[pid   593] <... futex resumed>)        = 0
[pid   592] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   591] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   590] <... openat resumed>)       = 4
[pid   589] <... futex resumed>)        = 0
[pid   588] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   587] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 594 attached
 <unfinished ...>
[pid   593] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   592] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   590] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   589] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   588] <... futex resumed>)        = 0
[pid   594] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   593] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   592] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   591] <... clone3 resumed> => {parent_tid=[594]}, 88) = 594
[pid   590] <... futex resumed>)        = 1
[pid   588] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   587] <... futex resumed>)        = 0
[pid   594] <... set_robust_list resumed>) = 0
[pid   591] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   594] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   591] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   594] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   591] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   594] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   593] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   592] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   591] <... futex resumed>)        = 0
[pid   590] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   587] exit_group(0 <unfinished ...>
[pid   594] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   593] <... futex resumed>)        = 1
[pid   592] <... futex resumed>)        = 1
[pid   591] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   590] <... futex resumed>)        = ?
[pid   589] <... futex resumed>)        = 0
[pid   588] <... futex resumed>)        = 0
[pid   587] <... exit_group resumed>)   = ?
[pid   594] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   593] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   592] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   591] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   590] +++ exited with 0 +++
[pid   589] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   588] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   587] +++ exited with 0 +++
[pid   594] <... futex resumed>)        = 0
[pid   593] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   592] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   591] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   589] <... futex resumed>)        = 0
[pid   588] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=587, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   594] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   593] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   592] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   591] <... futex resumed>)        = 0
[pid   589] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   588] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   594] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   593] <... openat resumed>)       = 3
[pid   592] <... openat resumed>)       = 3
[pid   591] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   594] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   593] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   592] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   591] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   594] <... futex resumed>)        = 0
[pid   593] <... futex resumed>)        = 1
[pid   592] <... futex resumed>)        = 1
[pid   591] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   589] <... futex resumed>)        = 0
[pid   588] <... futex resumed>)        = 0
[pid   594] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   593] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   592] write(3, "\x38\x00", 2 <unfinished ...>
[pid   591] <... futex resumed>)        = 0
[pid   589] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   588] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   594] <... openat resumed>)       = 3
[pid   593] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   592] <... write resumed>)        = 2
[pid   591] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   589] <... futex resumed>)        = 0
[pid   588] <... futex resumed>)        = 0
[pid   594] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   593] write(3, "\x38\x00", 2 <unfinished ...>
[pid   592] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   591] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   589] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   588] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   594] <... futex resumed>)        = 0
[pid   591] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   589] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   594] write(3, "\x38\x00", 2 <unfinished ...>
[pid   591] <... futex resumed>)        = 0
[pid   594] <... write resumed>)        = 2
[pid   589] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   594] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   591] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   589] <... futex resumed>)        = 0
[pid   594] <... futex resumed>)        = 0
[pid   591] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   594] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   589] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   591] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   594] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   591] <... futex resumed>)        = 0
[pid   594] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   591] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   594] <... openat resumed>)       = 4
[pid   593] <... write resumed>)        = 2
[pid   592] <... futex resumed>)        = 1
[pid   589] <... futex resumed>)        = 0
[pid   594] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   593] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   592] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   594] <... futex resumed>)        = 1
[pid   593] <... futex resumed>)        = 1
[pid   592] <... openat resumed>)       = 4
[pid   591] <... futex resumed>)        = 0
[pid   589] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} <unfinished ...>
[pid   588] <... futex resumed>)        = 0
[pid   594] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   593] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   592] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   591] exit_group(0 <unfinished ...>
[pid   589] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   588] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   594] <... futex resumed>)        = ?
[pid   593] <... futex resumed>)        = 0
[pid   592] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   591] <... exit_group resumed>)   = ?
[pid   589] exit_group(0 <unfinished ...>
[pid   588] <... futex resumed>)        = 1
[pid   594] +++ exited with 0 +++
[pid   593] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   593] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   592] <... futex resumed>)        = ?
[pid   591] +++ exited with 0 +++
[pid   589] <... exit_group resumed>)   = ?
[pid   588] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   593] <... futex resumed>)        = 0
[pid   592] +++ exited with 0 +++
[pid   588] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=591, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 595 attached
 <unfinished ...>
[pid   593] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   589] +++ exited with 0 +++
[pid   588] exit_group(0 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   595] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   593] <... futex resumed>)        = ?
[pid   588] <... exit_group resumed>)   = ?
[pid   595] <... set_robust_list resumed>) = 0
[pid   593] +++ exited with 0 +++
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 595
[pid   312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=589, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   588] +++ exited with 0 +++
[pid   595] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=588, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   595] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   595] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   595] <... prctl resumed>)        = 0
[pid   595] setpgid(0, 0)               = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 596 attached
 <unfinished ...>
[pid   595] <... openat resumed>)       = 3
[pid   596] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   596] <... set_robust_list resumed>) = 0
[pid   595] write(3, "1000", 4 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   596] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   595] <... write resumed>)        = 4
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 596
[pid   314] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 597 attached
 <unfinished ...>
[pid   596] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   595] close(3 <unfinished ...>
[pid   596] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   597] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   596] <... prctl resumed>)        = 0
[pid   595] <... close resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 597
[pid   597] <... set_robust_list resumed>) = 0
[pid   596] setpgid(0, 0 <unfinished ...>
[pid   595] write(1, "executing program\n", 18 <unfinished ...>
[pid   597] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   596] <... setpgid resumed>)      = 0
[pid   597] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   595] <... write resumed>)        = 18
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   595] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   597] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
executing program
[pid   596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   595] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   597] <... prctl resumed>)        = 0
[pid   597] setpgid(0, 0 <unfinished ...>
[pid   596] <... openat resumed>)       = 3
[pid   595] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   597] <... setpgid resumed>)      = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   596] write(3, "1000", 4 <unfinished ...>
[pid   595] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   595] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   596] <... write resumed>)        = 4
[pid   595] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   597] <... openat resumed>)       = 3
[pid   596] close(3 <unfinished ...>
[pid   595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 598 attached
 <unfinished ...>
[pid   597] write(3, "1000", 4 <unfinished ...>
[pid   596] <... close resumed>)        = 0
[pid   598] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   595] <... mmap resumed>)         = 0x7fb4de009000
[pid   598] <... set_robust_list resumed>) = 0
[pid   597] <... write resumed>)        = 4
[pid   596] write(1, "executing program\n", 18 <unfinished ...>
[pid   597] close(3 <unfinished ...>
[pid   595] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   598] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   596] <... write resumed>)        = 18
executing program
[pid   598] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   597] <... close resumed>)        = 0
[pid   596] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   595] <... mprotect resumed>)     = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 598
[pid   598] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   597] write(1, "executing program\n", 18 <unfinished ...>
[pid   596] <... futex resumed>)        = 0
[pid   595] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   598] <... prctl resumed>)        = 0
[pid   597] <... write resumed>)        = 18
[pid   596] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   595] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   598] setpgid(0, 0 <unfinished ...>
[pid   597] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   596] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   595] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   598] <... setpgid resumed>)      = 0
[pid   597] <... futex resumed>)        = 0
executing program
[pid   596] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 599 attached
 <unfinished ...>
[pid   598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   597] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   596] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   595] <... clone3 resumed> => {parent_tid=[599]}, 88) = 599
[pid   599] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   598] <... openat resumed>)       = 3
[pid   597] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   596] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   595] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   599] <... set_robust_list resumed>) = 0
[pid   598] write(3, "1000", 4 <unfinished ...>
[pid   597] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   595] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   599] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   598] <... write resumed>)        = 4
[pid   597] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   596] <... mmap resumed>)         = 0x7fb4de009000
[pid   595] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   599] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   598] close(3 <unfinished ...>
[pid   597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   596] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   595] <... futex resumed>)        = 0
[pid   599] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   598] <... close resumed>)        = 0
[pid   596] <... mprotect resumed>)     = 0
[pid   597] <... mmap resumed>)         = 0x7fb4de009000
[pid   598] write(1, "executing program\n", 18 <unfinished ...>
[pid   595] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   599] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   598] <... write resumed>)        = 18
[pid   597] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   599] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   596] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   598] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   596] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   599] <... futex resumed>)        = 1
[pid   598] <... futex resumed>)        = 0
[pid   597] <... mprotect resumed>)     = 0
[pid   596] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   595] <... futex resumed>)        = 0
[pid   599] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   598] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   597] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
executing program
[pid   595] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 600 attached
 <unfinished ...>
[pid   599] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   598] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   597] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   595] <... futex resumed>)        = 0
[pid   600] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   599] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   598] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   597] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   600] <... set_robust_list resumed>) = 0
[pid   599] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   598] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   596] <... clone3 resumed> => {parent_tid=[600]}, 88) = 600
[pid   595] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   600] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   599] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   596] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 601 attached
 <unfinished ...>
[pid   600] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   599] <... futex resumed>)        = 1
[pid   598] <... mmap resumed>)         = 0x7fb4de009000
[pid   596] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   595] <... futex resumed>)        = 0
[pid   601] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   600] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   599] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   598] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   597] <... clone3 resumed> => {parent_tid=[601]}, 88) = 601
[pid   596] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   595] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   601] <... set_robust_list resumed>) = 0
[pid   600] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   599] <... openat resumed>)       = 3
[pid   601] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   597] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   596] <... futex resumed>)        = 0
[pid   601] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   600] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   599] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   597] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   595] <... futex resumed>)        = 0
[pid   596] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   601] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   600] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   599] <... futex resumed>)        = 0
[pid   598] <... mprotect resumed>)     = 0
[pid   597] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   595] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   601] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   600] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   599] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   598] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   601] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   600] <... futex resumed>)        = 1
[pid   598] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   597] <... futex resumed>)        = 0
[pid   596] <... futex resumed>)        = 0
[pid   595] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   601] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   600] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   598] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   597] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   596] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   595] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   601] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   600] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   597] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 602 attached
[pid   601] <... futex resumed>)        = 0
[pid   600] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   599] <... futex resumed>)        = 0
[pid   597] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   596] <... futex resumed>)        = 0
[pid   595] <... futex resumed>)        = 1
[pid   602] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   601] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   600] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   599] write(3, "\x38\x00", 2 <unfinished ...>
[pid   598] <... clone3 resumed> => {parent_tid=[602]}, 88) = 602
[pid   597] <... futex resumed>)        = 0
[pid   596] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   595] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   602] <... set_robust_list resumed>) = 0
[pid   601] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   600] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   599] <... write resumed>)        = 2
[pid   598] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   597] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   596] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   602] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   601] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   600] <... futex resumed>)        = 0
[pid   599] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   598] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   597] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   596] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   602] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   601] <... futex resumed>)        = 0
[pid   600] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   599] <... futex resumed>)        = 1
[pid   598] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   597] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   596] <... futex resumed>)        = 0
[pid   602] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   601] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   600] <... openat resumed>)       = 3
[pid   596] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   599] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   598] <... futex resumed>)        = 0
[pid   602] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   601] <... openat resumed>)       = 3
[pid   600] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   597] <... futex resumed>)        = 0
[pid   596] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   598] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   602] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   601] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   600] <... futex resumed>)        = 0
[pid   598] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   597] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   596] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   602] <... futex resumed>)        = 0
[pid   601] <... futex resumed>)        = 0
[pid   600] write(3, "\x38\x00", 2 <unfinished ...>
[pid   598] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   597] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   596] <... futex resumed>)        = 0
[pid   602] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   601] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   600] <... write resumed>)        = 2
[pid   598] <... futex resumed>)        = 0
[pid   597] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   596] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   602] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   601] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   600] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   596] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   602] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   601] write(3, "\x38\x00", 2 <unfinished ...>
[pid   600] <... futex resumed>)        = 0
[pid   598] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   597] <... futex resumed>)        = 0
[pid   596] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   602] <... futex resumed>)        = 0
[pid   601] <... write resumed>)        = 2
[pid   600] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   598] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   597] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   596] <... futex resumed>)        = 0
[pid   602] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   601] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   600] <... openat resumed>)       = 4
[pid   602] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   601] <... futex resumed>)        = 0
[pid   598] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   600] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   597] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   596] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   602] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   601] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   600] <... futex resumed>)        = 0
[pid   598] <... futex resumed>)        = 0
[pid   597] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   596] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   602] <... openat resumed>)       = 3
[pid   601] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   600] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   598] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   597] <... futex resumed>)        = 0
[pid   602] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   601] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   598] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   597] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   596] exit_group(0 <unfinished ...>
[pid   602] <... futex resumed>)        = 0
[pid   601] <... openat resumed>)       = 4
[pid   598] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   602] write(3, "\x38\x00", 2 <unfinished ...>
[pid   600] <... futex resumed>)        = ?
[pid   598] <... futex resumed>)        = 0
[pid   596] <... exit_group resumed>)   = ?
[pid   601] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   600] +++ exited with 0 +++
[pid   598] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   595] <... futex resumed>)        = 0
[pid   596] +++ exited with 0 +++
[pid   601] <... futex resumed>)        = 1
[pid   595] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   602] <... write resumed>)        = 2
[pid   601] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   599] <... futex resumed>)        = 0
[pid   597] <... futex resumed>)        = 0
[pid   595] <... futex resumed>)        = 1
[pid   602] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   599] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   597] exit_group(0 <unfinished ...>
[pid   595] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=596, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   602] <... futex resumed>)        = 1
[pid   601] <... futex resumed>)        = ?
[pid   599] <... openat resumed>)       = 4
[pid   598] <... futex resumed>)        = 0
[pid   597] <... exit_group resumed>)   = ?
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   602] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   601] +++ exited with 0 +++
[pid   598] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   599] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   595] <... futex resumed>)        = 0
[pid   595] exit_group(0)               = ?
[pid   599] <... futex resumed>)        = ?
[pid   597] +++ exited with 0 +++
[pid   602] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   598] <... futex resumed>)        = 0
[pid   602] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   598] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=597, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   602] <... openat resumed>)       = 4
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   602] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   598] <... futex resumed>)        = 0
[pid   602] <... futex resumed>)        = 1
[pid   598] exit_group(0 <unfinished ...>
[pid   602] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   598] <... exit_group resumed>)   = ?
[pid   602] <... futex resumed>)        = ?
[pid   599] +++ exited with 0 +++
[pid   595] +++ exited with 0 +++
[pid   602] +++ exited with 0 +++
[pid   598] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=598, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=595, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 603 attached
 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   603] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 603
[pid   312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   603] <... set_robust_list resumed>) = 0
[pid   603] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   603] setpgid(0, 0 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   603] <... setpgid resumed>)      = 0
executing program
[pid   603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   603] <... openat resumed>)       = 3
[pid   603] write(3, "1000", 4)         = 4
[pid   603] close(3)                    = 0
[pid   603] write(1, "executing program\n", 18) = 18
[pid   603] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   603] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   603] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   603] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   603] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 604 attached
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 604
[pid   604] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   603] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   604] <... set_robust_list resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   604] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   603] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   603] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 605 attached
[pid   604] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   605] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   603] <... clone3 resumed> => {parent_tid=[605]}, 88) = 605
[pid   605] <... set_robust_list resumed>) = 0
[pid   604] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   603] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   605] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   604] <... prctl resumed>)        = 0
[pid   603] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   605] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   604] setpgid(0, 0 <unfinished ...>
[pid   603] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   605] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   604] <... setpgid resumed>)      = 0
[pid   603] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 606 attached
[pid   605] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   603] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 606
[pid   605] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   604] <... openat resumed>)       = 3
[pid   603] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   606] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   605] <... futex resumed>)        = 0
[pid   603] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   606] <... set_robust_list resumed>) = 0
[pid   605] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   604] write(3, "1000", 4 <unfinished ...>
[pid   603] <... futex resumed>)        = 0
[pid   606] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   605] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   604] <... write resumed>)        = 4
[pid   603] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   605] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   603] <... futex resumed>)        = 0
[pid   605] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   603] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   605] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   603] <... futex resumed>)        = 0
[pid   605] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   603] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   605] <... openat resumed>)       = 3
[pid   605] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   603] <... futex resumed>)        = 0
[pid   605] <... futex resumed>)        = 1
[pid   603] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   605] write(3, "\x38\x00", 2)     = 2
[pid   603] <... futex resumed>)        = 0
[pid   606] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   605] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   603] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   606] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   605] <... futex resumed>)        = 0
[pid   604] close(3 <unfinished ...>
[pid   603] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   606] <... prctl resumed>)        = 0
[pid   604] <... close resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   606] setpgid(0, 0 <unfinished ...>
[pid   604] write(1, "executing program\n", 18 <unfinished ...>
[pid   605] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   603] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   605] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   603] <... futex resumed>)        = 0
[pid   605] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   603] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   605] <... openat resumed>)       = 4
ci2-android-6-12-rust/strace-static-x86_64: Process 607 attached
[pid   606] <... setpgid resumed>)      = 0
[pid   605] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   604] <... write resumed>)        = 18
[pid   607] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
executing program
[pid   606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   605] <... futex resumed>)        = 1
[pid   604] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   603] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 607
[pid   607] <... set_robust_list resumed>) = 0
[pid   606] <... openat resumed>)       = 3
[pid   605] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   604] <... futex resumed>)        = 0
[pid   603] exit_group(0 <unfinished ...>
[pid   607] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   606] write(3, "1000", 4 <unfinished ...>
[pid   605] <... futex resumed>)        = ?
[pid   604] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   603] <... exit_group resumed>)   = ?
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   607] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   606] <... write resumed>)        = 4
[pid   605] +++ exited with 0 +++
[pid   604] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   603] +++ exited with 0 +++
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   604] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   607] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   604] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   607] <... prctl resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=603, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   607] setpgid(0, 0 <unfinished ...>
[pid   606] close(3 <unfinished ...>
[pid   604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   607] <... setpgid resumed>)      = 0
[pid   606] <... close resumed>)        = 0
[pid   604] <... mmap resumed>)         = 0x7fb4de009000
[pid   607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   607] write(3, "1000", 4)         = 4
[pid   607] close(3)                    = 0
[pid   607] write(1, "executing program\n", 18) = 18
executing program
[pid   607] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   607] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   607] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   604] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   606] write(1, "executing program\n", 18 <unfinished ...>
[pid   607] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   606] <... write resumed>)        = 18
[pid   604] <... mprotect resumed>)     = 0
[pid   607] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   606] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid   604] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   606] <... futex resumed>)        = 0
[pid   604] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   606] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   604] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   607] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   607] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 608 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 609 attached
[pid   606] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   608] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   609] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   607] <... clone3 resumed> => {parent_tid=[609]}, 88) = 609
[pid   606] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   604] <... clone3 resumed> => {parent_tid=[608]}, 88) = 608
[pid   608] <... set_robust_list resumed>) = 0
[pid   609] <... set_robust_list resumed>) = 0
[pid   607] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   606] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   604] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   608] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   609] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   607] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   608] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   609] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   607] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   604] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   608] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   609] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   607] <... futex resumed>)        = 0
[pid   606] <... mmap resumed>)         = 0x7fb4de009000
[pid   604] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   606] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   604] <... futex resumed>)        = 0
[pid   608] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   609] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   607] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   606] <... mprotect resumed>)     = 0
[pid   604] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   608] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   609] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   607] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   606] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 610 attached
 <unfinished ...>
[pid   608] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   609] <... futex resumed>)        = 0
[pid   607] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   606] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   609] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   607] <... futex resumed>)        = 0
[pid   608] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   609] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   607] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 610
[pid   608] <... futex resumed>)        = 1
[pid   609] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   606] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   604] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   610] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   608] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   604] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   610] <... set_robust_list resumed>) = 0
[pid   608] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   609] <... futex resumed>)        = 1
[pid   607] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   604] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 611 attached
 <unfinished ...>
[pid   610] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   608] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   609] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   607] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   606] <... clone3 resumed> => {parent_tid=[611]}, 88) = 611
[pid   611] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   610] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   608] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   609] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   607] <... futex resumed>)        = 0
[pid   606] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   611] <... set_robust_list resumed>) = 0
[pid   610] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   608] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   609] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   607] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   611] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   608] <... futex resumed>)        = 1
[pid   609] <... openat resumed>)       = 3
[pid   611] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   608] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   609] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   611] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   609] <... futex resumed>)        = 1
[pid   607] <... futex resumed>)        = 0
[pid   609] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   607] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   609] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   607] <... futex resumed>)        = 0
[pid   609] write(3, "\x38\x00", 2 <unfinished ...>
[pid   607] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   609] <... write resumed>)        = 2
[pid   606] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   610] <... prctl resumed>)        = 0
[pid   604] <... futex resumed>)        = 0
[pid   609] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   607] <... futex resumed>)        = 0
[pid   609] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   607] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   610] setpgid(0, 0 <unfinished ...>
[pid   609] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   607] <... futex resumed>)        = 0
[pid   606] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   604] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   611] <... futex resumed>)        = 0
[pid   610] <... setpgid resumed>)      = 0
[pid   609] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   608] <... futex resumed>)        = 0
[pid   607] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   606] <... futex resumed>)        = 1
[pid   604] <... futex resumed>)        = 1
[pid   610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   606] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   604] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   611] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   610] <... openat resumed>)       = 3
[pid   608] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   609] <... openat resumed>)       = 4
[pid   611] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   610] write(3, "1000", 4 <unfinished ...>
[pid   608] <... openat resumed>)       = 3
[pid   611] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   610] <... write resumed>)        = 4
[pid   608] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   609] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   611] <... futex resumed>)        = 1
[pid   610] close(3 <unfinished ...>
[pid   608] <... futex resumed>)        = 1
[pid   609] <... futex resumed>)        = 1
[pid   607] <... futex resumed>)        = 0
[pid   606] <... futex resumed>)        = 0
[pid   604] <... futex resumed>)        = 0
[pid   611] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   610] <... close resumed>)        = 0
[pid   608] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   609] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   607] exit_group(0 <unfinished ...>
[pid   606] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   604] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   611] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   610] write(1, "executing program\n", 18 <unfinished ...>
[pid   608] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   609] <... futex resumed>)        = ?
[pid   607] <... exit_group resumed>)   = ?
[pid   606] <... futex resumed>)        = 0
[pid   604] <... futex resumed>)        = 0
executing program
[pid   611] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   610] <... write resumed>)        = 18
[pid   608] write(3, "\x38\x00", 2 <unfinished ...>
[pid   609] +++ exited with 0 +++
[pid   607] +++ exited with 0 +++
[pid   606] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   604] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   611] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   610] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   608] <... write resumed>)        = 2
[pid   610] <... futex resumed>)        = 0
[pid   608] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=607, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   611] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   610] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   608] <... futex resumed>)        = 1
[pid   604] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   611] <... futex resumed>)        = 1
[pid   610] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   608] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   606] <... futex resumed>)        = 0
[pid   604] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   611] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   608] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... restart_syscall resumed>) = 0
[pid   610] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   608] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   606] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   604] <... futex resumed>)        = 0
[pid   611] <... futex resumed>)        = 0
[pid   610] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   608] <... openat resumed>)       = 4
[pid   606] <... futex resumed>)        = 1
[pid   604] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   611] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   610] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   606] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   611] <... openat resumed>)       = 3
[pid   610] <... mmap resumed>)         = 0x7fb4de009000
[pid   608] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   611] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   608] <... futex resumed>)        = 1
[pid   611] <... futex resumed>)        = 1
[pid   608] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   611] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   610] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   606] <... futex resumed>)        = 0
[pid   604] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   610] <... mprotect resumed>)     = 0
[pid   606] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   611] <... futex resumed>)        = 0
[pid   606] <... futex resumed>)        = 1
[pid   604] exit_group(0 <unfinished ...>
[pid   611] write(3, "\x38\x00", 2)     = 2
[pid   611] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   611] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 612 attached
 <unfinished ...>
[pid   610] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   606] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   604] <... exit_group resumed>)   = ?
[pid   608] <... futex resumed>)        = ?
[pid   612] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   610] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   608] +++ exited with 0 +++
[pid   606] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   604] +++ exited with 0 +++
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 612
[pid   612] <... set_robust_list resumed>) = 0
[pid   610] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   606] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 613 attached
 <unfinished ...>
[pid   612] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   606] <... futex resumed>)        = 1
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=604, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   613] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   612] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   610] <... clone3 resumed> => {parent_tid=[613]}, 88) = 613
[pid   606] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   613] <... set_robust_list resumed>) = 0
[pid   612] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   610] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   613] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   612] <... prctl resumed>)        = 0
[pid   610] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   613] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   612] setpgid(0, 0 <unfinished ...>
[pid   610] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   613] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   612] <... setpgid resumed>)      = 0
[pid   611] <... futex resumed>)        = 0
[pid   610] <... futex resumed>)        = 0
[pid   611] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid   611] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   606] <... futex resumed>)        = 0
[pid   611] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   606] exit_group(0 <unfinished ...>
[pid   611] <... futex resumed>)        = ?
[pid   606] <... exit_group resumed>)   = ?
[pid   613] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   611] +++ exited with 0 +++
[pid   610] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   606] +++ exited with 0 +++
[pid   313] <... restart_syscall resumed>) = 0
[pid   613] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   610] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   613] <... futex resumed>)        = 0
[pid   610] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   613] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   612] <... openat resumed>)       = 3
[pid   610] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=606, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   613] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   610] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   612] write(3, "1000", 4 <unfinished ...>
[pid   613] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   610] <... futex resumed>)        = 0
[pid   613] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   610] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   613] <... openat resumed>)       = 3
[pid   612] <... write resumed>)        = 4
[pid   613] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   610] <... futex resumed>)        = 0
[pid   612] close(3 <unfinished ...>
[pid   610] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   612] <... close resumed>)        = 0
[pid   610] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   612] write(1, "executing program\n", 18 <unfinished ...>
[pid   613] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   612] <... write resumed>)        = 18
[pid   610] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
executing program
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   612] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   612] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   612] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 614 attached
[pid   613] <... futex resumed>)        = 0
[pid   612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   610] <... futex resumed>)        = 1
[pid   614] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   613] write(3, "\x38\x00", 2 <unfinished ...>
[pid   610] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   614] <... set_robust_list resumed>) = 0
[pid   612] <... mmap resumed>)         = 0x7fb4de009000
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 614
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   614] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   612] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   614] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   612] <... mprotect resumed>)     = 0
[pid   613] <... write resumed>)        = 2
[pid   613] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 615 attached
[pid   613] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   614] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   615] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   614] <... prctl resumed>)        = 0
[pid   612] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   610] <... futex resumed>)        = 0
[pid   615] <... set_robust_list resumed>) = 0
[pid   614] setpgid(0, 0 <unfinished ...>
[pid   612] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   610] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 615
[pid   615] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   614] <... setpgid resumed>)      = 0
[pid   613] <... futex resumed>)        = 0
[pid   612] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   610] <... futex resumed>)        = 1
[pid   613] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   615] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   613] <... openat resumed>)       = 4
[pid   314] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 616 attached
 <unfinished ...>
[pid   615] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   613] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   610] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   616] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   615] <... prctl resumed>)        = 0
[pid   614] <... openat resumed>)       = 3
[pid   613] <... futex resumed>)        = 0
[pid   610] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   616] <... set_robust_list resumed>) = 0
[pid   615] setpgid(0, 0 <unfinished ...>
[pid   613] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   612] <... clone3 resumed> => {parent_tid=[616]}, 88) = 616
[pid   616] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   615] <... setpgid resumed>)      = 0
[pid   616] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   616] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   615] <... openat resumed>)       = 3
[pid   615] write(3, "1000", 4)         = 4
[pid   615] close(3)                    = 0
[pid   615] write(1, "executing program\n", 18) = 18
[pid   615] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid   610] exit_group(0 <unfinished ...>
[pid   614] write(3, "1000", 4 <unfinished ...>
[pid   612] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   615] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   614] <... write resumed>)        = 4
[pid   613] <... futex resumed>)        = ?
[pid   612] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   610] <... exit_group resumed>)   = ?
[pid   615] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   614] close(3 <unfinished ...>
[pid   613] +++ exited with 0 +++
[pid   615] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   612] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   615] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   615] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   615] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   615] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 617 attached
 <unfinished ...>
[pid   610] +++ exited with 0 +++
[pid   616] <... futex resumed>)        = 0
[pid   614] <... close resumed>)        = 0
[pid   612] <... futex resumed>)        = 1
[pid   616] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   615] <... clone3 resumed> => {parent_tid=[617]}, 88) = 617
[pid   614] write(1, "executing program\n", 18 <unfinished ...>
[pid   612] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=610, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   617] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   616] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   615] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   614] <... write resumed>)        = 18
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   616] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   617] <... set_robust_list resumed>) = 0
[pid   615] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   614] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   612] <... futex resumed>)        = 0
[pid   617] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   616] <... futex resumed>)        = 1
executing program
[pid   615] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   614] <... futex resumed>)        = 0
[pid   612] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   617] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   616] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   615] <... futex resumed>)        = 0
[pid   614] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   612] <... futex resumed>)        = 0
[pid   617] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   616] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   615] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   614] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   612] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   617] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   616] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   614] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   616] <... futex resumed>)        = 1
[pid   612] <... futex resumed>)        = 0
[pid   617] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   616] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   614] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   612] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   617] <... futex resumed>)        = 1
[pid   616] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   615] <... futex resumed>)        = 0
[pid   614] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   612] <... futex resumed>)        = 0
[pid   617] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   616] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   615] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   612] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   617] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   616] <... openat resumed>)       = 3
[pid   615] <... futex resumed>)        = 0
[pid   614] <... mmap resumed>)         = 0x7fb4de009000
[pid   617] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   615] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   614] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   616] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   612] <... futex resumed>)        = 0
[pid   616] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   614] <... mprotect resumed>)     = 0
[pid   612] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   617] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   616] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   612] <... futex resumed>)        = 0
[pid   617] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   616] write(3, "\x38\x00", 2 <unfinished ...>
[pid   614] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   612] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   617] <... futex resumed>)        = 1
[pid   616] <... write resumed>)        = 2
[pid   615] <... futex resumed>)        = 0
[pid   614] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   617] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   616] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   615] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   614] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   617] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   616] <... futex resumed>)        = 1
[pid   615] <... futex resumed>)        = 0
[pid   612] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 618 attached
[pid   617] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   616] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   615] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   612] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   618] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   617] <... openat resumed>)       = 3
[pid   616] <... openat resumed>)       = 4
[pid   614] <... clone3 resumed> => {parent_tid=[618]}, 88) = 618
[pid   612] <... futex resumed>)        = 0
[pid   618] <... set_robust_list resumed>) = 0
[pid   617] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   616] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   614] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   612] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   618] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   617] <... futex resumed>)        = 1
[pid   616] <... futex resumed>)        = 0
[pid   615] <... futex resumed>)        = 0
[pid   614] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   612] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   618] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   617] write(3, "\x38\x00", 2 <unfinished ...>
[pid   616] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   615] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   614] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   612] exit_group(0 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   618] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   617] <... write resumed>)        = 2
[pid   615] <... futex resumed>)        = 0
[pid   614] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 619 attached
[pid   618] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   617] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   616] <... futex resumed>)        = ?
[pid   615] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   614] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   612] <... exit_group resumed>)   = ?
[pid   617] <... futex resumed>)        = 0
[pid   619] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   615] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   619] <... set_robust_list resumed>) = 0
[pid   617] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   615] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   619] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   618] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   617] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   616] +++ exited with 0 +++
[pid   615] <... futex resumed>)        = 0
[pid   612] +++ exited with 0 +++
[pid   619] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   618] <... futex resumed>)        = 1
[pid   617] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   615] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   614] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 619
[pid   619] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   618] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   617] <... openat resumed>)       = 4
[pid   614] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=612, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   619] <... prctl resumed>)        = 0
[pid   618] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   614] <... futex resumed>)        = 0
[pid   619] setpgid(0, 0 <unfinished ...>
[pid   618] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   617] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   614] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   619] <... setpgid resumed>)      = 0
[pid   618] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   617] <... futex resumed>)        = 1
[pid   615] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   618] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   617] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   615] exit_group(0 <unfinished ...>
[pid   618] <... futex resumed>)        = 1
[pid   617] <... futex resumed>)        = ?
[pid   615] <... exit_group resumed>)   = ?
[pid   614] <... futex resumed>)        = 0
[pid   619] <... openat resumed>)       = 3
[pid   618] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   617] +++ exited with 0 +++
[pid   614] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   618] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   614] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   619] write(3, "1000", 4 <unfinished ...>
[pid   618] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   619] <... write resumed>)        = 4
[pid   618] <... openat resumed>)       = 3
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 620 attached
 <unfinished ...>
[pid   619] close(3 <unfinished ...>
[pid   618] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   615] +++ exited with 0 +++
[pid   619] <... close resumed>)        = 0
[pid   618] <... futex resumed>)        = 1
[pid   618] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=615, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   619] write(1, "executing program\n", 18 <unfinished ...>
[pid   614] <... futex resumed>)        = 0
[pid   619] <... write resumed>)        = 18
executing program
[pid   614] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   619] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   618] <... futex resumed>)        = 0
[pid   614] <... futex resumed>)        = 1
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 620
[pid   619] <... futex resumed>)        = 0
[pid   618] write(3, "\x38\x00", 2 <unfinished ...>
[pid   614] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   619] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   618] <... write resumed>)        = 2
[pid   619] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   618] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   619] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   618] <... futex resumed>)        = 1
[pid   614] <... futex resumed>)        = 0
[pid   619] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   618] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   614] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   618] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   614] <... futex resumed>)        = 0
[pid   619] <... mmap resumed>)         = 0x7fb4de009000
[pid   618] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   614] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   620] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   619] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   618] <... openat resumed>)       = 4
[pid   619] <... mprotect resumed>)     = 0
[pid   618] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   620] <... set_robust_list resumed>) = 0
[pid   620] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   619] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   618] <... futex resumed>)        = 1
[pid   614] <... futex resumed>)        = 0
[pid   620] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   619] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   618] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   614] exit_group(0 <unfinished ...>
[pid   620] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   619] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   618] <... futex resumed>)        = ?
[pid   614] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 621 attached
[pid   620] <... prctl resumed>)        = 0
[pid   618] +++ exited with 0 +++
[pid   614] +++ exited with 0 +++
[pid   621] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   620] setpgid(0, 0 <unfinished ...>
[pid   621] <... set_robust_list resumed>) = 0
[pid   620] <... setpgid resumed>)      = 0
[pid   621] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   619] <... clone3 resumed> => {parent_tid=[621]}, 88) = 621
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=614, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   621] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   619] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   619] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   620] <... openat resumed>)       = 3
[pid   619] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   619] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   621] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   620] write(3, "1000", 4 <unfinished ...>
[pid   621] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   620] <... write resumed>)        = 4
[pid   621] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   620] close(3 <unfinished ...>
[pid   621] <... futex resumed>)        = 1
[pid   619] <... futex resumed>)        = 0
[pid   621] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   620] <... close resumed>)        = 0
[pid   619] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   621] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   620] write(1, "executing program\n", 18 <unfinished ...>
[pid   619] <... futex resumed>)        = 0
[pid   621] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   619] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   620] <... write resumed>)        = 18
[pid   621] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   620] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   621] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   620] <... futex resumed>)        = 0
[pid   621] <... futex resumed>)        = 1
[pid   620] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   621] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   620] <... rt_sigaction resumed>, NULL, 8) = 0
executing program
[pid   620] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   619] <... futex resumed>)        = 0
[pid   619] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   621] <... futex resumed>)        = 0
[pid   619] <... futex resumed>)        = 1
[pid   621] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   619] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   621] <... openat resumed>)       = 3
[pid   621] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   619] <... futex resumed>)        = 0
[pid   621] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   619] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   621] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   619] <... futex resumed>)        = 0
[pid   621] write(3, "\x38\x00", 2 <unfinished ...>
[pid   619] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   621] <... write resumed>)        = 2
[pid   621] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   619] <... futex resumed>)        = 0
[pid   621] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   619] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   621] <... openat resumed>)       = 4
[pid   620] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   619] <... futex resumed>)        = 0
[pid   620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   619] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   621] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   620] <... mmap resumed>)         = 0x7fb4de009000
[pid   621] <... futex resumed>)        = 1
[pid   619] <... futex resumed>)        = 0
[pid   621] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   619] exit_group(0 <unfinished ...>
[pid   620] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   621] <... futex resumed>)        = ?
[pid   619] <... exit_group resumed>)   = ?
[pid   621] +++ exited with 0 +++
[pid   620] <... mprotect resumed>)     = 0
[pid   619] +++ exited with 0 +++
[pid   620] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=619, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   620] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   620] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 622 attached
 <unfinished ...>
[pid   622] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   622] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   622] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   620] <... clone3 resumed> => {parent_tid=[622]}, 88) = 622
[pid   620] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   620] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   622] <... futex resumed>)        = 0
[pid   620] <... futex resumed>)        = 1
[pid   622] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   622] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   620] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   622] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   622] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   620] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   620] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   622] <... futex resumed>)        = 0
[pid   620] <... futex resumed>)        = 1
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   620] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 623 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 624 attached
[pid   622] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   623] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   624] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   622] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   622] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   622] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   620] <... futex resumed>)        = 0
[pid   620] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 623
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 624
[pid   622] <... futex resumed>)        = 0
[pid   624] <... set_robust_list resumed>) = 0
[pid   623] <... set_robust_list resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 625 attached
[pid   623] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   622] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   620] <... futex resumed>)        = 1
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   625] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   624] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   622] <... openat resumed>)       = 3
[pid   623] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   620] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 625
[pid   625] <... set_robust_list resumed>) = 0
[pid   624] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   623] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   622] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   625] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   622] <... futex resumed>)        = 1
[pid   620] <... futex resumed>)        = 0
[pid   624] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   623] <... prctl resumed>)        = 0
[pid   624] <... prctl resumed>)        = 0
[pid   623] setpgid(0, 0 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   624] setpgid(0, 0 <unfinished ...>
[pid   623] <... setpgid resumed>)      = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   624] <... setpgid resumed>)      = 0
[pid   625] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   622] write(3, "\x38\x00", 2 <unfinished ...>
[pid   620] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   625] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   622] <... write resumed>)        = 2
[pid   620] <... futex resumed>)        = 0
[pid   625] <... prctl resumed>)        = 0
[pid   622] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   620] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   625] setpgid(0, 0 <unfinished ...>
[pid   623] <... openat resumed>)       = 3
[pid   622] <... futex resumed>)        = 0
[pid   624] <... openat resumed>)       = 3
[pid   620] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   625] <... setpgid resumed>)      = 0
[pid   622] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   620] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   622] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   620] <... futex resumed>)        = 0
[pid   625] <... openat resumed>)       = 3
[pid   622] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   620] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   625] write(3, "1000", 4 <unfinished ...>
[pid   624] write(3, "1000", 4 <unfinished ...>
[pid   623] write(3, "1000", 4 <unfinished ...>
[pid   622] <... openat resumed>)       = 4
[pid   625] <... write resumed>)        = 4
[pid   624] <... write resumed>)        = 4
[pid   623] <... write resumed>)        = 4
[pid   624] close(3 <unfinished ...>
[pid   623] close(3 <unfinished ...>
[pid   625] close(3 <unfinished ...>
[pid   624] <... close resumed>)        = 0
[pid   623] <... close resumed>)        = 0
[pid   622] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   625] <... close resumed>)        = 0
[pid   622] <... futex resumed>)        = 1
[pid   620] <... futex resumed>)        = 0
executing program
executing program
executing program
[pid   623] write(1, "executing program\n", 18 <unfinished ...>
[pid   625] write(1, "executing program\n", 18 <unfinished ...>
[pid   624] write(1, "executing program\n", 18 <unfinished ...>
[pid   622] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   620] exit_group(0 <unfinished ...>
[pid   623] <... write resumed>)        = 18
[pid   625] <... write resumed>)        = 18
[pid   624] <... write resumed>)        = 18
[pid   625] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   623] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   622] <... futex resumed>)        = ?
[pid   620] <... exit_group resumed>)   = ?
[pid   625] <... futex resumed>)        = 0
[pid   624] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   623] <... futex resumed>)        = 0
[pid   622] +++ exited with 0 +++
[pid   620] +++ exited with 0 +++
[pid   624] <... futex resumed>)        = 0
[pid   623] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   624] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   623] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   624] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   623] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=620, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   624] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   623] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   624] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   623] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   625] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   625] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   623] <... mmap resumed>)         = 0x7fb4de009000
[pid   625] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   623] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   625] <... mmap resumed>)         = 0x7fb4de009000
[pid   625] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   623] <... mprotect resumed>)     = 0
[pid   625] <... mprotect resumed>)     = 0
[pid   624] <... mmap resumed>)         = 0x7fb4de009000
[pid   625] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   623] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   624] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   625] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 626 attached
 <unfinished ...>
[pid   626] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   625] <... clone3 resumed> => {parent_tid=[626]}, 88) = 626
[pid   624] <... mprotect resumed>)     = 0
[pid   623] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   626] <... set_robust_list resumed>) = 0
[pid   625] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   626] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   625] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   626] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   625] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   624] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   623] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   626] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   625] <... futex resumed>)        = 0
[pid   624] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   625] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   626] <... mkdirat resumed>)      = -1 EEXIST (File exists)
ci2-android-6-12-rust/strace-static-x86_64: Process 627 attached
[pid   626] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   627] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   626] <... futex resumed>)        = 1
[pid   625] <... futex resumed>)        = 0
[pid   627] <... set_robust_list resumed>) = 0
[pid   626] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   625] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   627] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   626] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   625] <... futex resumed>)        = 0
[pid   627] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   627] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   625] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   626] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   625] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   626] <... futex resumed>)        = 0
[pid   625] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   626] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   625] <... futex resumed>)        = 0
[pid   626] <... openat resumed>)       = 3
[pid   625] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   626] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   625] <... futex resumed>)        = 0
[pid   626] <... futex resumed>)        = 1
[pid   625] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   626] write(3, "\x38\x00", 2 <unfinished ...>
[pid   625] <... futex resumed>)        = 0
[pid   626] <... write resumed>)        = 2
[pid   625] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   626] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   625] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   626] <... futex resumed>)        = 0
[pid   625] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   626] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid   625] <... futex resumed>)        = 0
[pid   625] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   626] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   625] <... futex resumed>)        = 0
[pid   626] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   625] exit_group(0 <unfinished ...>
[pid   626] <... futex resumed>)        = ?
[pid   626] +++ exited with 0 +++
[pid   625] <... exit_group resumed>)   = ?
[pid   625] +++ exited with 0 +++
[pid   624] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   623] <... clone3 resumed> => {parent_tid=[627]}, 88) = 627
[pid   315] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 628 attached
[pid   623] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=625, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   624] <... clone3 resumed> => {parent_tid=[628]}, 88) = 628
[pid   623] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   628] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   624] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   623] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   628] <... set_robust_list resumed>) = 0
[pid   627] <... futex resumed>)        = 0
[pid   624] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   623] <... futex resumed>)        = 1
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   628] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   627] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   623] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   627] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   627] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   623] <... futex resumed>)        = 0
[pid   627] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   623] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   627] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   623] <... futex resumed>)        = 0
[pid   623] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   627] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   623] <... futex resumed>)        = 0
[pid   623] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   628] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   624] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   623] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 629 attached
[pid   628] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   627] <... futex resumed>)        = 1
[pid   623] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   629] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   628] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   627] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   624] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 629
[pid   629] <... set_robust_list resumed>) = 0
[pid   628] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   627] <... openat resumed>)       = 3
[pid   624] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   629] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   628] <... futex resumed>)        = 0
[pid   624] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   628] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   629] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   627] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   629] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   627] <... futex resumed>)        = 1
[pid   623] <... futex resumed>)        = 0
[pid   624] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   629] <... prctl resumed>)        = 0
[pid   627] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   623] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   629] setpgid(0, 0 <unfinished ...>
[pid   628] <... futex resumed>)        = 0
[pid   627] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   624] <... futex resumed>)        = 1
[pid   623] <... futex resumed>)        = 0
[pid   629] <... setpgid resumed>)      = 0
[pid   628] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   627] write(3, "\x38\x00", 2 <unfinished ...>
[pid   624] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   623] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   628] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   627] <... write resumed>)        = 2
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   629] <... openat resumed>)       = 3
[pid   628] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   627] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   629] write(3, "1000", 4)         = 4
[pid   629] close(3)                    = 0
executing program
[pid   629] write(1, "executing program\n", 18) = 18
[pid   629] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   629] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   629] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   628] <... futex resumed>)        = 1
[pid   627] <... futex resumed>)        = 1
[pid   629] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   629] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   629] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 630 attached
 <unfinished ...>
[pid   627] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   628] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   624] <... futex resumed>)        = 0
[pid   623] <... futex resumed>)        = 0
[pid   628] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   624] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   628] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   623] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   624] <... futex resumed>)        = 0
[pid   628] <... openat resumed>)       = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 631 attached
[pid   630] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   629] <... clone3 resumed> => {parent_tid=[630]}, 88) = 630
[pid   627] <... futex resumed>)        = 0
[pid   628] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   624] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   623] <... futex resumed>)        = 1
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 631
[pid   631] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   630] <... set_robust_list resumed>) = 0
[pid   629] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   628] <... futex resumed>)        = 0
[pid   627] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   624] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   631] <... set_robust_list resumed>) = 0
[pid   628] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   624] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   623] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   631] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   628] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   624] <... futex resumed>)        = 0
[pid   624] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   631] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   628] write(3, "\x38\x00", 2 <unfinished ...>
[pid   627] <... openat resumed>)       = 4
[pid   628] <... write resumed>)        = 2
[pid   631] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   630] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   629] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   628] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   627] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   631] <... prctl resumed>)        = 0
[pid   630] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   629] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   628] <... futex resumed>)        = 1
[pid   627] <... futex resumed>)        = 1
[pid   624] <... futex resumed>)        = 0
[pid   623] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   631] setpgid(0, 0 <unfinished ...>
[pid   630] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   629] <... futex resumed>)        = 0
[pid   628] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   627] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   624] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   623] exit_group(0 <unfinished ...>
[pid   631] <... setpgid resumed>)      = 0
[pid   630] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   629] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   628] <... openat resumed>)       = 4
[pid   627] <... futex resumed>)        = ?
[pid   624] <... futex resumed>)        = 0
[pid   623] <... exit_group resumed>)   = ?
[pid   631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   630] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   629] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   627] +++ exited with 0 +++
[pid   628] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   624] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   631] <... openat resumed>)       = 3
[pid   630] <... futex resumed>)        = 0
[pid   629] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   630] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   629] <... futex resumed>)        = 0
[pid   630] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   629] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   631] write(3, "1000", 4 <unfinished ...>
[pid   630] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   629] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   628] <... futex resumed>)        = 0
[pid   624] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   623] +++ exited with 0 +++
[pid   631] <... write resumed>)        = 4
[pid   630] <... futex resumed>)        = 0
[pid   629] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   628] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   624] exit_group(0 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=623, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   631] close(3 <unfinished ...>
[pid   630] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   629] <... futex resumed>)        = 0
[pid   628] <... futex resumed>)        = ?
[pid   624] <... exit_group resumed>)   = ?
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   631] <... close resumed>)        = 0
[pid   630] <... openat resumed>)       = 3
[pid   629] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   628] +++ exited with 0 +++
[pid   630] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   629] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   630] <... futex resumed>)        = 0
[pid   629] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   630] write(3, "\x38\x00", 2 <unfinished ...>
[pid   629] <... futex resumed>)        = 0
[pid   631] write(1, "executing program\n", 18 <unfinished ...>
[pid   630] <... write resumed>)        = 2
executing program
[pid   629] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   624] +++ exited with 0 +++
[pid   631] <... write resumed>)        = 18
[pid   630] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   629] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=624, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   631] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   630] <... futex resumed>)        = 0
[pid   629] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   631] <... futex resumed>)        = 0
[pid   630] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   629] <... futex resumed>)        = 0
[pid   631] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   630] <... openat resumed>)       = 4
[pid   629] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   631] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   631] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   630] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   631] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   631] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   630] <... futex resumed>)        = 1
[pid   629] <... futex resumed>)        = 0
[pid   631] <... mmap resumed>)         = 0x7fb4de009000
[pid   630] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   629] exit_group(0 <unfinished ...>
[pid   631] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   630] <... futex resumed>)        = ?
[pid   629] <... exit_group resumed>)   = ?
[pid   630] +++ exited with 0 +++
[pid   631] <... mprotect resumed>)     = 0
[pid   629] +++ exited with 0 +++
[pid   631] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=629, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   631] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   631] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 632 attached
 <unfinished ...>
[pid   632] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   631] <... clone3 resumed> => {parent_tid=[632]}, 88) = 632
[pid   632] <... set_robust_list resumed>) = 0
[pid   631] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   632] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   631] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   632] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid   631] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   632] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   631] <... futex resumed>)        = 0
[pid   631] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   632] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   315] <... restart_syscall resumed>) = 0
[pid   632] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   631] <... futex resumed>)        = 0
[pid   632] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   631] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   632] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   632] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   631] <... futex resumed>)        = 0
[pid   631] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   632] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   632] <... futex resumed>)        = 1
[pid   631] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   631] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   632] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 633 attached
[pid   632] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   631] <... futex resumed>)        = 0
[pid   632] <... futex resumed>)        = 0
[pid   631] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 633
[pid   633] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   632] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   631] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   633] <... set_robust_list resumed>) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   633] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   632] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   631] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   633] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   632] write(3, "\x38\x00", 2 <unfinished ...>
[pid   631] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   633] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   632] <... write resumed>)        = 2
[pid   631] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   633] <... prctl resumed>)        = 0
[pid   632] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   631] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   633] setpgid(0, 0 <unfinished ...>
[pid   632] <... futex resumed>)        = 0
[pid   631] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   633] <... setpgid resumed>)      = 0
[pid   632] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   631] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 634 attached
[pid   633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   632] <... openat resumed>)       = 4
[pid   631] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   634] set_robust_list(0x55557716c6a0, 24ci2-android-6-12-rust/strace-static-x86_64: Process 635 attached
) = 0
[pid   633] <... openat resumed>)       = 3
[pid   632] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 634
[pid   635] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   634] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   633] write(3, "1000", 4 <unfinished ...>
[pid   632] <... futex resumed>)        = 1
[pid   631] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   635] <... set_robust_list resumed>) = 0
[pid   634] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   633] <... write resumed>)        = 4
[pid   632] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   631] exit_group(0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 635
[pid   635] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   634] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   635] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   634] <... prctl resumed>)        = 0
[pid   633] close(3 <unfinished ...>
[pid   632] <... futex resumed>)        = ?
[pid   631] <... exit_group resumed>)   = ?
[pid   633] <... close resumed>)        = 0
[pid   635] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   634] setpgid(0, 0 <unfinished ...>
[pid   633] write(1, "executing program\n", 18 <unfinished ...>
[pid   632] +++ exited with 0 +++
[pid   631] +++ exited with 0 +++
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   635] <... prctl resumed>)        = 0
[pid   634] <... setpgid resumed>)      = 0
[pid   633] <... write resumed>)        = 18
executing program
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=631, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   635] setpgid(0, 0 <unfinished ...>
[pid   634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   633] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   635] <... setpgid resumed>)      = 0
[pid   634] <... openat resumed>)       = 3
[pid   633] <... futex resumed>)        = 0
[pid   635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   634] write(3, "1000", 4 <unfinished ...>
[pid   633] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   635] <... openat resumed>)       = 3
[pid   634] <... write resumed>)        = 4
[pid   633] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   634] close(3 <unfinished ...>
[pid   633] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   635] write(3, "1000", 4 <unfinished ...>
[pid   634] <... close resumed>)        = 0
[pid   633] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   635] <... write resumed>)        = 4
[pid   634] write(1, "executing program\n", 18 <unfinished ...>
[pid   633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   635] close(3 <unfinished ...>
[pid   634] <... write resumed>)        = 18
executing program
[pid   635] <... close resumed>)        = 0
[pid   634] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   633] <... mmap resumed>)         = 0x7fb4de009000
[pid   635] write(1, "executing program\n", 18 <unfinished ...>
[pid   634] <... futex resumed>)        = 0
[pid   635] <... write resumed>)        = 18
[pid   633] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   634] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   635] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   633] <... mprotect resumed>)     = 0
[pid   635] <... futex resumed>)        = 0
[pid   634] <... rt_sigaction resumed>, NULL, 8) = 0
executing program
[pid   635] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   634] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   633] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   635] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   634] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   633] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   635] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   635] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   633] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   634] <... mmap resumed>)         = 0x7fb4de009000
ci2-android-6-12-rust/strace-static-x86_64: Process 636 attached
[pid   635] <... mmap resumed>)         = 0x7fb4de009000
[pid   634] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   636] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   635] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   636] <... set_robust_list resumed>) = 0
[pid   634] <... mprotect resumed>)     = 0
[pid   633] <... clone3 resumed> => {parent_tid=[636]}, 88) = 636
[pid   636] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   635] <... mprotect resumed>)     = 0
[pid   633] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   636] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   634] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   633] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   636] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   634] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   636] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   635] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   633] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   634] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   636] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   635] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   633] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 637 attached
[pid   636] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   635] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   633] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 638 attached
 <unfinished ...>
[pid   637] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   636] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   634] <... clone3 resumed> => {parent_tid=[637]}, 88) = 637
[pid   633] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   638] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   637] <... set_robust_list resumed>) = 0
[pid   636] <... futex resumed>)        = 0
[pid   635] <... clone3 resumed> => {parent_tid=[638]}, 88) = 638
[pid   634] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   633] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   638] <... set_robust_list resumed>) = 0
[pid   637] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   636] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   635] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   634] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   633] <... futex resumed>)        = 0
[pid   638] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   637] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   638] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   636] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   635] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   634] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   633] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   637] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   638] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   635] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   634] <... futex resumed>)        = 0
[pid   636] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   638] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   637] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   635] <... futex resumed>)        = 0
[pid   633] <... futex resumed>)        = 0
[pid   638] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   637] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   636] <... futex resumed>)        = 1
[pid   634] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   633] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   638] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   637] <... futex resumed>)        = 0
[pid   636] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   635] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   634] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   633] <... futex resumed>)        = 0
[pid   638] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   637] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   636] <... openat resumed>)       = 3
[pid   635] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   634] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   633] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   638] <... futex resumed>)        = 0
[pid   637] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   636] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   635] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   634] <... futex resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   638] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   637] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   636] <... futex resumed>)        = 0
[pid   635] <... futex resumed>)        = 0
[pid   634] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   633] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   638] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   637] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   636] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   635] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   633] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   638] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   637] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   636] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   635] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   633] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   638] <... futex resumed>)        = 0
[pid   637] <... futex resumed>)        = 1
[pid   636] write(3, "\x38\x00", 2 <unfinished ...>
[pid   635] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   634] <... futex resumed>)        = 0
[pid   633] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   638] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   637] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   636] <... write resumed>)        = 2
[pid   635] <... futex resumed>)        = 0
[pid   634] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   638] <... openat resumed>)       = 3
[pid   637] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   636] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   635] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   634] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 639 attached
[pid   638] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   637] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   636] <... futex resumed>)        = 1
[pid   635] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   634] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   633] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 639
[pid   639] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   638] <... futex resumed>)        = 0
[pid   637] <... openat resumed>)       = 3
[pid   636] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   635] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   633] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   639] <... set_robust_list resumed>) = 0
[pid   638] write(3, "\x38\x00", 2 <unfinished ...>
[pid   637] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   636] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   635] <... futex resumed>)        = 0
[pid   633] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   639] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   638] <... write resumed>)        = 2
[pid   637] <... futex resumed>)        = 1
[pid   636] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   635] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   634] <... futex resumed>)        = 0
[pid   633] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   639] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   638] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   637] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   636] <... openat resumed>)       = 4
[pid   635] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   634] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   638] <... futex resumed>)        = 0
[pid   638] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   637] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   636] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   635] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   634] <... futex resumed>)        = 0
[pid   639] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   638] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   637] write(3, "\x38\x00", 2 <unfinished ...>
[pid   636] <... futex resumed>)        = 1
[pid   635] <... futex resumed>)        = 0
[pid   634] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   633] <... futex resumed>)        = 0
[pid   639] <... prctl resumed>)        = 0
[pid   638] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   637] <... write resumed>)        = 2
[pid   636] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   635] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   639] setpgid(0, 0 <unfinished ...>
[pid   633] exit_group(0 <unfinished ...>
[pid   638] <... openat resumed>)       = 4
[pid   637] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   639] <... setpgid resumed>)      = 0
[pid   636] <... futex resumed>)        = ?
[pid   633] <... exit_group resumed>)   = ?
[pid   637] <... futex resumed>)        = 1
[pid   638] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   634] <... futex resumed>)        = 0
[pid   637] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   638] <... futex resumed>)        = 1
[pid   637] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   635] <... futex resumed>)        = 0
[pid   634] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   638] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   637] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   636] +++ exited with 0 +++
[pid   635] exit_group(0 <unfinished ...>
[pid   633] +++ exited with 0 +++
[pid   634] <... futex resumed>)        = 0
[pid   639] <... openat resumed>)       = 3
[pid   638] <... futex resumed>)        = ?
[pid   637] <... openat resumed>)       = 4
[pid   635] <... exit_group resumed>)   = ?
[pid   639] write(3, "1000", 4 <unfinished ...>
[pid   638] +++ exited with 0 +++
[pid   634] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=633, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   637] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   637] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   639] <... write resumed>)        = 4
[pid   639] close(3 <unfinished ...>
[pid   635] +++ exited with 0 +++
[pid   634] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   639] <... close resumed>)        = 0
[pid   634] exit_group(0 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=635, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   639] write(1, "executing program\n", 18 <unfinished ...>
[pid   637] <... futex resumed>)        = ?
[pid   634] <... exit_group resumed>)   = ?
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   639] <... write resumed>)        = 18
executing program
[pid   637] +++ exited with 0 +++
[pid   639] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   639] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   639] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   634] +++ exited with 0 +++
[pid   315] <... restart_syscall resumed>) = 0
[pid   639] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=634, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   639] <... mmap resumed>)         = 0x7fb4de009000
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   639] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   639] <... mprotect resumed>)     = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   639] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   639] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   639] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 640 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 641 attached
 <unfinished ...>
[pid   641] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   640] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 640
[pid   641] <... set_robust_list resumed>) = 0
[pid   640] <... set_robust_list resumed>) = 0
[pid   641] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   641] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   640] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   641] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   640] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   640] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   639] <... clone3 resumed> => {parent_tid=[641]}, 88) = 641
[pid   640] <... prctl resumed>)        = 0
[pid   639] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   640] setpgid(0, 0 <unfinished ...>
[pid   639] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   640] <... setpgid resumed>)      = 0
[pid   639] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   641] <... futex resumed>)        = 0
[pid   639] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   640] <... openat resumed>)       = 3
[pid   641] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   640] write(3, "1000", 4 <unfinished ...>
[pid   641] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   640] <... write resumed>)        = 4
[pid   641] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   640] close(3 <unfinished ...>
[pid   641] <... futex resumed>)        = 1
[pid   640] <... close resumed>)        = 0
[pid   641] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   640] write(1, "executing program\n", 18) = 18
[pid   639] <... futex resumed>)        = 0
[pid   640] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid   639] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   641] <... futex resumed>)        = 0
[pid   640] <... futex resumed>)        = 0
[pid   639] <... futex resumed>)        = 1
[pid   641] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   640] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   639] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   641] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   640] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   641] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   640] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   641] <... futex resumed>)        = 1
[pid   639] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   641] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   640] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   639] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   641] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   639] <... futex resumed>)        = 0
[pid   641] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   640] <... mmap resumed>)         = 0x7fb4de009000
[pid   639] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   641] <... openat resumed>)       = 3
[pid   640] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   640] <... mprotect resumed>)     = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 642 attached
[pid   641] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   640] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   641] <... futex resumed>)        = 1
[pid   639] <... futex resumed>)        = 0
[pid   639] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   639] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   642] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   641] write(3, "\x38\x00", 2 <unfinished ...>
[pid   640] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   642] <... set_robust_list resumed>) = 0
[pid   641] <... write resumed>)        = 2
[pid   640] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   641] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 642
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 643 attached
[pid   642] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   641] <... futex resumed>)        = 1
[pid   639] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 644 attached
 <unfinished ...>
[pid   643] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   642] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   641] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   640] <... clone3 resumed> => {parent_tid=[643]}, 88) = 643
[pid   639] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   643] <... set_robust_list resumed>) = 0
[pid   641] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   642] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   640] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   639] <... futex resumed>)        = 0
[pid   644] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   643] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   641] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   639] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   643] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 644
[pid   643] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   640] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   640] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   644] <... set_robust_list resumed>) = 0
[pid   643] <... futex resumed>)        = 0
[pid   642] <... prctl resumed>)        = 0
[pid   641] <... openat resumed>)       = 4
[pid   640] <... futex resumed>)        = 1
[pid   644] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   643] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   642] setpgid(0, 0 <unfinished ...>
[pid   641] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   644] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   643] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   642] <... setpgid resumed>)      = 0
[pid   640] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   641] <... futex resumed>)        = 1
[pid   639] <... futex resumed>)        = 0
[pid   644] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   643] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   641] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   640] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   639] exit_group(0 <unfinished ...>
[pid   644] <... prctl resumed>)        = 0
[pid   643] <... futex resumed>)        = 0
[pid   642] <... openat resumed>)       = 3
[pid   641] <... futex resumed>)        = ?
[pid   640] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   639] <... exit_group resumed>)   = ?
[pid   644] setpgid(0, 0 <unfinished ...>
[pid   643] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   640] <... futex resumed>)        = 0
[pid   643] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   642] write(3, "1000", 4)         = 4
[pid   643] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   642] close(3 <unfinished ...>
[pid   643] <... futex resumed>)        = 0
[pid   642] <... close resumed>)        = 0
[pid   643] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   642] write(1, "executing program\n", 18) = 18
executing program
[pid   641] +++ exited with 0 +++
[pid   644] <... setpgid resumed>)      = 0
[pid   639] +++ exited with 0 +++
[pid   642] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   640] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   642] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=639, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   642] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   642] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   642] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   642] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   640] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   642] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   640] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   644] <... openat resumed>)       = 3
[pid   642] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   644] write(3, "1000", 4 <unfinished ...>
[pid   643] <... futex resumed>)        = 0
[pid   642] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   640] <... futex resumed>)        = 1
[pid   644] <... write resumed>)        = 4
[pid   643] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   640] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 645 attached
 <unfinished ...>
[pid   643] <... openat resumed>)       = 3
[pid   645] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   642] <... clone3 resumed> => {parent_tid=[645]}, 88) = 645
[pid   645] <... set_robust_list resumed>) = 0
[pid   644] close(3 <unfinished ...>
[pid   643] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   642] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   645] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   644] <... close resumed>)        = 0
[pid   643] <... futex resumed>)        = 1
[pid   642] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   640] <... futex resumed>)        = 0
[pid   645] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   644] write(1, "executing program\n", 18 <unfinished ...>
[pid   643] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   642] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   640] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   644] <... write resumed>)        = 18
[pid   643] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   640] <... futex resumed>)        = 0
[pid   644] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid   640] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   643] write(3, "\x38\x00", 2 <unfinished ...>
[pid   642] <... futex resumed>)        = 0
[pid   645] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   644] <... futex resumed>)        = 0
[pid   643] <... write resumed>)        = 2
[pid   642] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   644] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   643] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   640] <... futex resumed>)        = 0
[pid   645] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   644] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   643] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   640] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   645] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   644] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   643] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   645] <... futex resumed>)        = 1
[pid   644] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   643] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   642] <... futex resumed>)        = 0
[pid   640] <... futex resumed>)        = 0
[pid   645] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   643] <... openat resumed>)       = 4
[pid   642] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   640] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   642] <... futex resumed>)        = 0
[pid   645] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   643] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   642] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   644] <... mmap resumed>)         = 0x7fb4de009000
[pid   643] <... futex resumed>)        = 0
[pid   640] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   644] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   643] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   645] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   640] exit_group(0 <unfinished ...>
[pid   644] <... mprotect resumed>)     = 0
[pid   643] <... futex resumed>)        = ?
[pid   640] <... exit_group resumed>)   = ?
[pid   645] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   644] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   645] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   642] <... futex resumed>)        = 0
[pid   645] <... futex resumed>)        = 1
[pid   642] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   645] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   642] <... futex resumed>)        = 0
[pid   645] <... openat resumed>)       = 3
[pid   642] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   645] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   642] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   645] <... futex resumed>)        = 0
[pid   642] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   645] write(3, "\x38\x00", 2 <unfinished ...>
[pid   642] <... futex resumed>)        = 0
[pid   645] <... write resumed>)        = 2
[pid   643] +++ exited with 0 +++
[pid   642] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   640] +++ exited with 0 +++
[pid   644] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   645] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   644] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   642] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=640, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   645] <... futex resumed>)        = 0
[pid   642] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 646 attached
 <unfinished ...>
[pid   645] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   642] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   646] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   645] <... openat resumed>)       = 4
[pid   642] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   646] <... set_robust_list resumed>) = 0
[pid   644] <... clone3 resumed> => {parent_tid=[646]}, 88) = 646
[pid   646] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   644] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   646] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   644] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   646] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   645] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   644] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   646] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   645] <... futex resumed>)        = 1
[pid   644] <... futex resumed>)        = 0
[pid   642] <... futex resumed>)        = 0
[pid   646] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   645] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   644] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   642] exit_group(0 <unfinished ...>
[pid   646] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   645] <... futex resumed>)        = ?
[pid   642] <... exit_group resumed>)   = ?
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   646] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   645] +++ exited with 0 +++
[pid   642] +++ exited with 0 +++
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   646] <... futex resumed>)        = 1
[pid   644] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=642, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   646] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   644] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 647 attached
 <unfinished ...>
[pid   646] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   644] <... futex resumed>)        = 0
[pid   646] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   644] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   646] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   647] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   646] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   647] <... set_robust_list resumed>) = 0
[pid   646] <... futex resumed>)        = 1
[pid   644] <... futex resumed>)        = 0
[pid   646] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   644] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   646] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   644] <... futex resumed>)        = 0
[pid   646] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   647] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   644] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   646] <... openat resumed>)       = 3
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 647
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 648 attached
[pid   647] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   646] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 648
[pid   647] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   646] <... futex resumed>)        = 1
[pid   648] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   644] <... futex resumed>)        = 0
[pid   647] <... prctl resumed>)        = 0
[pid   646] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   644] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   648] <... set_robust_list resumed>) = 0
[pid   647] setpgid(0, 0 <unfinished ...>
[pid   646] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   644] <... futex resumed>)        = 0
[pid   646] write(3, "\x38\x00", 2 <unfinished ...>
[pid   644] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   647] <... setpgid resumed>)      = 0
[pid   646] <... write resumed>)        = 2
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   648] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   646] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   646] <... futex resumed>)        = 1
[pid   644] <... futex resumed>)        = 0
[pid   648] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   646] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   644] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   648] <... prctl resumed>)        = 0
[pid   647] <... openat resumed>)       = 3
[pid   648] setpgid(0, 0)               = 0
[pid   647] write(3, "1000", 4 <unfinished ...>
[pid   646] <... openat resumed>)       = 4
[pid   644] <... futex resumed>)        = 0
[pid   648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   647] <... write resumed>)        = 4
[pid   644] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   647] close(3 <unfinished ...>
[pid   648] <... openat resumed>)       = 3
[pid   647] <... close resumed>)        = 0
[pid   646] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   648] write(3, "1000", 4)         = 4
[pid   647] write(1, "executing program\n", 18 <unfinished ...>
[pid   646] <... futex resumed>)        = 1
[pid   644] <... futex resumed>)        = 0
[pid   647] <... write resumed>)        = 18
[pid   646] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   648] close(3 <unfinished ...>
executing program
[pid   644] exit_group(0 <unfinished ...>
[pid   648] <... close resumed>)        = 0
[pid   647] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   648] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   647] <... futex resumed>)        = 0
[pid   646] <... futex resumed>)        = ?
[pid   644] <... exit_group resumed>)   = ?
[pid   648] <... write resumed>)        = 18
[pid   647] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   648] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   646] +++ exited with 0 +++
[pid   648] <... futex resumed>)        = 0
[pid   647] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   648] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   648] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   648] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   648] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 649 attached
 => {parent_tid=[649]}, 88) = 649
[pid   649] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   648] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   649] <... set_robust_list resumed>) = 0
[pid   648] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   649] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   648] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   649] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   648] <... futex resumed>)        = 0
[pid   649] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   648] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   644] +++ exited with 0 +++
[pid   649] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   647] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   649] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   647] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=644, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   649] <... futex resumed>)        = 1
[pid   648] <... futex resumed>)        = 0
[pid   647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   649] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   648] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   647] <... mmap resumed>)         = 0x7fb4de009000
[pid   649] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   647] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   649] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   648] <... futex resumed>)        = 0
[pid   649] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   648] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   647] <... mprotect resumed>)     = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   649] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   648] <... futex resumed>)        = 0
[pid   647] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   649] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   648] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   649] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   648] <... futex resumed>)        = 0
[pid   647] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   649] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   648] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   647] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   649] <... openat resumed>)       = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 650 attached
[pid   649] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   648] <... futex resumed>)        = 0
[pid   649] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   648] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   649] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   648] <... futex resumed>)        = 0
[pid   649] write(3, "\x38\x00", 2)     = 2
[pid   648] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 651 attached
 <unfinished ...>
[pid   650] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   649] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   648] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   647] <... clone3 resumed> => {parent_tid=[650]}, 88) = 650
[pid   650] <... set_robust_list resumed>) = 0
[pid   647] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   651] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   649] <... futex resumed>)        = 0
[pid   648] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   651] <... set_robust_list resumed>) = 0
[pid   649] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   648] <... futex resumed>)        = 0
[pid   651] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   650] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   649] <... openat resumed>)       = 4
[pid   648] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   647] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 651
[pid   651] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   650] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   649] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   647] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   651] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   650] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   648] <... futex resumed>)        = 0
[pid   647] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   651] <... prctl resumed>)        = 0
[pid   649] <... futex resumed>)        = 1
[pid   648] exit_group(0 <unfinished ...>
[pid   651] setpgid(0, 0 <unfinished ...>
[pid   650] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   648] <... exit_group resumed>)   = ?
[pid   647] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   651] <... setpgid resumed>)      = 0
[pid   650] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   649] +++ exited with 0 +++
[pid   648] +++ exited with 0 +++
[pid   647] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   650] <... futex resumed>)        = 0
[pid   647] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=648, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   651] <... openat resumed>)       = 3
[pid   650] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   647] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   651] write(3, "1000", 4 <unfinished ...>
[pid   647] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   651] <... write resumed>)        = 4
[pid   651] close(3)                    = 0
[pid   650] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   651] write(1, "executing program\n", 18) = 18
executing program
[pid   650] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   651] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   650] <... futex resumed>)        = 1
[pid   647] <... futex resumed>)        = 0
[pid   651] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   651] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   650] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   647] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   651] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   647] <... futex resumed>)        = 0
[pid   651] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   650] <... openat resumed>)       = 3
[pid   647] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   651] <... mmap resumed>)         = 0x7fb4de009000
[pid   651] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   650] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   651] <... mprotect resumed>)     = 0
[pid   650] <... futex resumed>)        = 1
[pid   647] <... futex resumed>)        = 0
[pid   650] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   647] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   650] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   651] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   650] write(3, "\x38\x00", 2 <unfinished ...>
[pid   647] <... futex resumed>)        = 0
[pid   651] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   650] <... write resumed>)        = 2
[pid   647] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 652 attached
[pid   650] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   647] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   652] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   651] <... clone3 resumed> => {parent_tid=[652]}, 88) = 652
[pid   650] <... futex resumed>)        = 0
[pid   647] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   652] <... set_robust_list resumed>) = 0
[pid   651] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   650] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   647] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   651] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   651] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   650] <... openat resumed>)       = 4
[pid   647] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   652] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   651] <... futex resumed>)        = 0
[pid   650] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 653 attached
 <unfinished ...>
[pid   652] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   651] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   652] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   650] <... futex resumed>)        = 1
[pid   652] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   647] <... futex resumed>)        = 0
[pid   650] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   647] exit_group(0 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   653] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   652] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   650] <... futex resumed>)        = ?
[pid   647] <... exit_group resumed>)   = ?
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 653
ci2-android-6-12-rust/strace-static-x86_64: Process 654 attached
[pid   650] +++ exited with 0 +++
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 654
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   647] +++ exited with 0 +++
[pid   653] <... set_robust_list resumed>) = 0
[pid   652] <... futex resumed>)        = 1
[pid   654] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   653] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   654] <... set_robust_list resumed>) = 0
[pid   652] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   651] <... futex resumed>)        = 0
[pid   654] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   653] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   651] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=647, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   654] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   651] <... futex resumed>)        = 1
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   654] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   653] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   652] <... futex resumed>)        = 0
[pid   651] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   654] <... prctl resumed>)        = 0
[pid   653] <... prctl resumed>)        = 0
[pid   652] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   654] setpgid(0, 0 <unfinished ...>
[pid   653] setpgid(0, 0 <unfinished ...>
[pid   654] <... setpgid resumed>)      = 0
[pid   653] <... setpgid resumed>)      = 0
[pid   652] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   652] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   652] <... futex resumed>)        = 1
[pid   651] <... futex resumed>)        = 0
[pid   654] <... openat resumed>)       = 3
[pid   652] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   651] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   652] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   651] <... futex resumed>)        = 0
[pid   652] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   651] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   652] <... openat resumed>)       = 3
[pid   652] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   651] <... futex resumed>)        = 0
[pid   651] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   654] write(3, "1000", 4 <unfinished ...>
[pid   653] <... openat resumed>)       = 3
[pid   651] <... futex resumed>)        = 0
[pid   654] <... write resumed>)        = 4
[pid   653] write(3, "1000", 4 <unfinished ...>
[pid   652] <... futex resumed>)        = 1
[pid   651] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   654] close(3 <unfinished ...>
[pid   653] <... write resumed>)        = 4
[pid   652] write(3, "\x38\x00", 2 <unfinished ...>
[pid   654] <... close resumed>)        = 0
[pid   653] close(3 <unfinished ...>
[pid   652] <... write resumed>)        = 2
[pid   652] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   651] <... futex resumed>)        = 0
[pid   653] <... close resumed>)        = 0
[pid   654] write(1, "executing program\n", 18 <unfinished ...>
[pid   652] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   651] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   654] <... write resumed>)        = 18
executing program
[pid   653] write(1, "executing program\n", 18 <unfinished ...>
[pid   652] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   651] <... futex resumed>)        = 0
[pid   654] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid   651] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   654] <... futex resumed>)        = 0
[pid   653] <... write resumed>)        = 18
[pid   652] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   654] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   653] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   652] <... openat resumed>)       = 4
[pid   654] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   653] <... futex resumed>)        = 0
[pid   654] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   653] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   654] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   653] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   654] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   653] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   654] <... mmap resumed>)         = 0x7fb4de009000
[pid   653] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   652] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   654] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   652] <... futex resumed>)        = 1
[pid   651] <... futex resumed>)        = 0
[pid   654] <... mprotect resumed>)     = 0
[pid   653] <... mmap resumed>)         = 0x7fb4de009000
[pid   652] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   651] exit_group(0 <unfinished ...>
[pid   654] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   653] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   652] <... futex resumed>)        = ?
[pid   651] <... exit_group resumed>)   = ?
[pid   654] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   653] <... mprotect resumed>)     = 0
[pid   652] +++ exited with 0 +++
[pid   654] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 655 attached
 <unfinished ...>
[pid   653] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   651] +++ exited with 0 +++
[pid   655] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   654] <... clone3 resumed> => {parent_tid=[655]}, 88) = 655
[pid   653] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   654] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   655] <... set_robust_list resumed>) = 0
[pid   654] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   653] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=651, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   655] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   654] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 656 attached
 <unfinished ...>
[pid   655] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   654] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   656] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   655] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   656] <... set_robust_list resumed>) = 0
[pid   654] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   653] <... clone3 resumed> => {parent_tid=[656]}, 88) = 656
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   656] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   655] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   653] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   656] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   655] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   653] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   656] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   655] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 657 attached
[pid   655] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   654] <... futex resumed>)        = 0
[pid   653] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   657] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   654] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   657] <... set_robust_list resumed>) = 0
[pid   656] <... futex resumed>)        = 0
[pid   653] <... futex resumed>)        = 1
[pid   654] <... futex resumed>)        = 1
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 657
[pid   312] <... restart_syscall resumed>) = 0
[pid   657] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   656] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   655] <... futex resumed>)        = 0
[pid   654] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   653] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   657] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   656] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   655] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   657] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   656] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   655] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   657] <... prctl resumed>)        = 0
[pid   657] setpgid(0, 0 <unfinished ...>
[pid   656] <... futex resumed>)        = 1
[pid   655] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   653] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   657] <... setpgid resumed>)      = 0
[pid   656] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   655] <... futex resumed>)        = 1
[pid   654] <... futex resumed>)        = 0
[pid   653] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   656] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   655] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   654] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   653] <... futex resumed>)        = 0
[pid   657] <... openat resumed>)       = 3
[pid   656] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   655] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   654] <... futex resumed>)        = 0
[pid   653] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 658 attached
 <unfinished ...>
[pid   657] write(3, "1000", 4 <unfinished ...>
[pid   656] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   655] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   654] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   658] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   657] <... write resumed>)        = 4
[pid   656] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   655] <... openat resumed>)       = 3
[pid   658] <... set_robust_list resumed>) = 0
[pid   657] close(3 <unfinished ...>
[pid   655] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   658] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   657] <... close resumed>)        = 0
[pid   656] <... futex resumed>)        = 1
[pid   655] <... futex resumed>)        = 1
[pid   654] <... futex resumed>)        = 0
[pid   653] <... futex resumed>)        = 0
[pid   658] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   657] write(1, "executing program\n", 18 <unfinished ...>
[pid   656] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   655] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 658
[pid   658] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   657] <... write resumed>)        = 18
[pid   655] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   654] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   653] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   658] <... prctl resumed>)        = 0
[pid   657] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   655] write(3, "\x38\x00", 2 <unfinished ...>
[pid   654] <... futex resumed>)        = 0
[pid   656] <... futex resumed>)        = 0
executing program
[pid   653] <... futex resumed>)        = 1
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   658] setpgid(0, 0 <unfinished ...>
[pid   657] <... futex resumed>)        = 0
[pid   656] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   655] <... write resumed>)        = 2
[pid   654] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   653] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   658] <... setpgid resumed>)      = 0
[pid   657] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   656] <... openat resumed>)       = 3
[pid   655] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   654] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   657] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   654] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   658] <... openat resumed>)       = 3
[pid   657] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   656] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   655] <... futex resumed>)        = 0
[pid   654] <... futex resumed>)        = 0
[pid   658] write(3, "1000", 4 <unfinished ...>
[pid   657] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   656] <... futex resumed>)        = 1
[pid   655] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   654] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   653] <... futex resumed>)        = 0
[pid   658] <... write resumed>)        = 4
[pid   657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   656] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   655] <... openat resumed>)       = 4
[pid   658] close(3 <unfinished ...>
[pid   657] <... mmap resumed>)         = 0x7fb4de009000
[pid   656] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   655] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   653] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   658] <... close resumed>)        = 0
[pid   657] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   656] write(3, "\x38\x00", 2 <unfinished ...>
[pid   655] <... futex resumed>)        = 1
[pid   658] write(1, "executing program\n", 18 <unfinished ...>
[pid   657] <... mprotect resumed>)     = 0
[pid   656] <... write resumed>)        = 2
executing program
[pid   655] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   654] <... futex resumed>)        = 0
[pid   653] <... futex resumed>)        = 0
[pid   658] <... write resumed>)        = 18
[pid   657] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   656] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   658] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   657] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   656] <... futex resumed>)        = 0
[pid   654] exit_group(0 <unfinished ...>
[pid   653] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   658] <... futex resumed>)        = 0
[pid   657] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   656] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   658] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   655] <... futex resumed>)        = ?
[pid   654] <... exit_group resumed>)   = ?
[pid   653] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 659 attached
[pid   658] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   655] +++ exited with 0 +++
[pid   653] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   659] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   659] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   658] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   657] <... clone3 resumed> => {parent_tid=[659]}, 88) = 659
[pid   656] <... futex resumed>)        = 0
[pid   654] +++ exited with 0 +++
[pid   653] <... futex resumed>)        = 1
[pid   659] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   658] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   657] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   656] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   653] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=654, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   657] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   656] <... openat resumed>)       = 4
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   658] <... mmap resumed>)         = 0x7fb4de009000
[pid   657] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   656] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   659] <... futex resumed>)        = 0
[pid   658] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   657] <... futex resumed>)        = 1
[pid   656] <... futex resumed>)        = 1
[pid   653] <... futex resumed>)        = 0
[pid   659] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid   658] <... mprotect resumed>)     = 0
[pid   657] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   656] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   653] exit_group(0 <unfinished ...>
[pid   659] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   658] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   659] <... futex resumed>)        = 0
[pid   657] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   656] <... futex resumed>)        = ?
[pid   653] <... exit_group resumed>)   = ?
[pid   658] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   657] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   658] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   657] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 660 attached
[pid   659] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   657] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   656] +++ exited with 0 +++
[pid   653] +++ exited with 0 +++
[pid   660] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   659] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   658] <... clone3 resumed> => {parent_tid=[660]}, 88) = 660
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=653, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   660] <... set_robust_list resumed>) = 0
[pid   658] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   660] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   658] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   660] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   659] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   658] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   660] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   659] <... futex resumed>)        = 1
[pid   658] <... futex resumed>)        = 0
[pid   657] <... futex resumed>)        = 0
[pid   660] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   659] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   658] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   657] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   660] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   659] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   658] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   657] <... futex resumed>)        = 0
[pid   660] <... futex resumed>)        = 0
[pid   659] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   658] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   657] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   660] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   659] <... openat resumed>)       = 3
[pid   658] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   660] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   659] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   658] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   660] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   659] <... futex resumed>)        = 1
[pid   657] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 661 attached
 <unfinished ...>
[pid   660] <... futex resumed>)        = 1
[pid   659] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   658] <... futex resumed>)        = 0
[pid   657] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 662 attached
 <unfinished ...>
[pid   659] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   657] <... futex resumed>)        = 0
[pid   657] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   659] write(3, "\x38\x00", 2)     = 2
[pid   659] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   657] <... futex resumed>)        = 0
[pid   657] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   659] <... futex resumed>)        = 1
[pid   657] <... futex resumed>)        = 0
[pid   659] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   657] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 661
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 662
[pid   659] <... openat resumed>)       = 4
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   659] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   659] <... futex resumed>)        = 1
[pid   657] <... futex resumed>)        = 0
[pid   661] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   660] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   659] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   658] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   657] exit_group(0 <unfinished ...>
[pid   662] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   661] <... set_robust_list resumed>) = 0
[pid   660] <... openat resumed>)       = 3
[pid   658] <... futex resumed>)        = 0
[pid   662] <... set_robust_list resumed>) = 0
[pid   661] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   660] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   658] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   662] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   661] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   660] <... futex resumed>)        = 0
[pid   662] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   658] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   660] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   658] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   660] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   662] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   660] write(3, "\x38\x00", 2 <unfinished ...>
[pid   659] <... futex resumed>)        = ?
[pid   658] <... futex resumed>)        = 0
[pid   657] <... exit_group resumed>)   = ?
[pid   662] <... prctl resumed>)        = 0
[pid   661] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   660] <... write resumed>)        = 2
[pid   659] +++ exited with 0 +++
[pid   658] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   657] +++ exited with 0 +++
[pid   662] setpgid(0, 0 <unfinished ...>
[pid   661] <... prctl resumed>)        = 0
[pid   660] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   658] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   662] <... setpgid resumed>)      = 0
[pid   661] setpgid(0, 0 <unfinished ...>
[pid   660] <... futex resumed>)        = 0
[pid   658] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=657, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   660] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   658] <... futex resumed>)        = 0
[pid   662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   661] <... setpgid resumed>)      = 0
[pid   660] <... openat resumed>)       = 4
[pid   658] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   660] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   658] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   660] <... futex resumed>)        = 0
[pid   661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   660] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   658] exit_group(0 <unfinished ...>
[pid   662] <... openat resumed>)       = 3
[pid   658] <... exit_group resumed>)   = ?
[pid   660] <... futex resumed>)        = ?
[pid   662] write(3, "1000", 4 <unfinished ...>
[pid   661] <... openat resumed>)       = 3
[pid   660] +++ exited with 0 +++
[pid   662] <... write resumed>)        = 4
[pid   661] write(3, "1000", 4 <unfinished ...>
[pid   662] close(3 <unfinished ...>
[pid   661] <... write resumed>)        = 4
[pid   662] <... close resumed>)        = 0
[pid   661] close(3 <unfinished ...>
[pid   662] write(1, "executing program\n", 18 <unfinished ...>
[pid   661] <... close resumed>)        = 0
[pid   662] <... write resumed>)        = 18
[pid   661] write(1, "executing program\n", 18 <unfinished ...>
[pid   662] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
executing program
[pid   661] <... write resumed>)        = 18
[pid   661] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   658] +++ exited with 0 +++
[pid   662] <... futex resumed>)        = 0
[pid   661] <... futex resumed>)        = 0
[pid   662] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=658, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   662] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   662] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   661] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   661] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   662] <... mmap resumed>)         = 0x7fb4de009000
[pid   661] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   662] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   661] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   662] <... mprotect resumed>)     = 0
[pid   661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   661] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   662] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   661] <... mprotect resumed>)     = 0
[pid   662] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   661] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   661] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 663 attached
[pid   661] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 664 attached
 <unfinished ...>
[pid   663] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   662] <... clone3 resumed> => {parent_tid=[663]}, 88) = 663
[pid   663] <... set_robust_list resumed>) = 0
[pid   662] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   664] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   663] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   662] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   664] <... set_robust_list resumed>) = 0
[pid   663] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   662] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   664] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   663] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   661] <... clone3 resumed> => {parent_tid=[664]}, 88) = 664
[pid   661] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   661] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   661] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   662] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   664] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   663] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   662] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   664] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   663] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   662] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   663] <... futex resumed>)        = 0
[pid   662] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   663] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   664] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   662] <... futex resumed>)        = 0
[pid   664] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   663] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   662] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   664] <... futex resumed>)        = 1
[pid   661] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 665 attached
[pid   664] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   661] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 665
[pid   661] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   663] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   665] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   664] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   661] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   665] <... set_robust_list resumed>) = 0
[pid   664] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   663] <... futex resumed>)        = 1
[pid   662] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   665] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   664] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   663] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   662] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   665] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   664] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   663] <... openat resumed>)       = 3
[pid   662] <... futex resumed>)        = 0
[pid   665] <... prctl resumed>)        = 0
[pid   664] <... futex resumed>)        = 1
[pid   663] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   662] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   661] <... futex resumed>)        = 0
[pid   665] setpgid(0, 0 <unfinished ...>
[pid   664] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   663] <... futex resumed>)        = 0
[pid   665] <... setpgid resumed>)      = 0
[pid   662] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   663] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   663] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   662] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   661] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   664] <... futex resumed>)        = 0
[pid   661] <... futex resumed>)        = 1
[pid   664] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   661] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   663] write(3, "\x38\x00", 2 <unfinished ...>
[pid   665] <... openat resumed>)       = 3
[pid   664] <... openat resumed>)       = 3
[pid   662] <... futex resumed>)        = 0
[pid   663] <... write resumed>)        = 2
[pid   665] write(3, "1000", 4 <unfinished ...>
[pid   664] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   663] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   662] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   665] <... write resumed>)        = 4
[pid   664] <... futex resumed>)        = 1
[pid   663] <... futex resumed>)        = 0
[pid   662] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   661] <... futex resumed>)        = 0
[pid   665] close(3 <unfinished ...>
[pid   664] write(3, "\x38\x00", 2 <unfinished ...>
[pid   663] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   662] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   661] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   665] <... close resumed>)        = 0
[pid   664] <... write resumed>)        = 2
[pid   663] <... openat resumed>)       = 4
[pid   662] <... futex resumed>)        = 0
[pid   661] <... futex resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   665] write(1, "executing program\n", 18 <unfinished ...>
[pid   664] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   663] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   662] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   661] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   665] <... write resumed>)        = 18
executing program
[pid   664] <... futex resumed>)        = 0
[pid   663] <... futex resumed>)        = 0
[pid   662] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   661] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   665] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   664] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   661] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   664] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   663] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   662] exit_group(0 <unfinished ...>
[pid   661] <... futex resumed>)        = 0
[pid   665] <... futex resumed>)        = 0
[pid   664] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   663] <... futex resumed>)        = ?
[pid   662] <... exit_group resumed>)   = ?
[pid   661] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   665] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   664] <... openat resumed>)       = 4
[pid   664] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   661] <... futex resumed>)        = 0
[pid   664] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   661] exit_group(0 <unfinished ...>
[pid   664] <... futex resumed>)        = ?
[pid   663] +++ exited with 0 +++
[pid   662] +++ exited with 0 +++
[pid   665] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   661] <... exit_group resumed>)   = ?
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   665] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   664] +++ exited with 0 +++
[pid   661] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=662, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   665] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=661, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   665] <... mmap resumed>)         = 0x7fb4de009000
[pid   665] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITEci2-android-6-12-rust/strace-static-x86_64: Process 666 attached
 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 666
[pid   666] set_robust_list(0x55557716c6a0, 24) = 0
[pid   665] <... mprotect resumed>)     = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   665] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   666] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   666] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   665] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   666] <... prctl resumed>)        = 0
[pid   665] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 667 attached
 <unfinished ...>
[pid   666] setpgid(0, 0 <unfinished ...>
[pid   665] <... clone3 resumed> => {parent_tid=[667]}, 88) = 667
[pid   667] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   666] <... setpgid resumed>)      = 0
[pid   665] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   667] <... set_robust_list resumed>) = 0
[pid   666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   667] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   666] <... openat resumed>)       = 3
[pid   665] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   667] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   666] write(3, "1000", 4 <unfinished ...>
[pid   665] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   667] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   666] <... write resumed>)        = 4
[pid   665] <... futex resumed>)        = 0
[pid   667] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   666] close(3 <unfinished ...>
[pid   665] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   667] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   666] <... close resumed>)        = 0
[pid   667] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   666] write(1, "executing program\n", 18 <unfinished ...>
[pid   667] <... futex resumed>)        = 1
[pid   665] <... futex resumed>)        = 0
[pid   667] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   666] <... write resumed>)        = 18
executing program
[pid   665] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   667] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   666] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   665] <... futex resumed>)        = 0
[pid   667] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   666] <... futex resumed>)        = 0
[pid   665] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   667] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   666] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   667] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   666] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   667] <... futex resumed>)        = 1
[pid   666] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   665] <... futex resumed>)        = 0
[pid   667] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   666] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   665] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   667] <... futex resumed>)        = 0
[pid   666] <... mmap resumed>)         = 0x7fb4de009000
[pid   665] <... futex resumed>)        = 1
[pid   667] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   666] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   665] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   667] <... openat resumed>)       = 3
[pid   666] <... mprotect resumed>)     = 0
[pid   667] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   666] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   667] <... futex resumed>)        = 1
[pid   666] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   665] <... futex resumed>)        = 0
[pid   667] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   666] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   665] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   667] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 668 attached
[pid   667] write(3, "\x38\x00", 2 <unfinished ...>
[pid   665] <... futex resumed>)        = 0
[pid   668] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   667] <... write resumed>)        = 2
[pid   666] <... clone3 resumed> => {parent_tid=[668]}, 88) = 668
[pid   665] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   668] <... set_robust_list resumed>) = 0
[pid   667] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   666] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   665] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... restart_syscall resumed>) = 0
[pid   668] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   667] <... futex resumed>)        = 0
[pid   666] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   665] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   668] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   667] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   666] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   665] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   668] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   667] <... openat resumed>)       = 4
[pid   666] <... futex resumed>)        = 0
[pid   665] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   668] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   667] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   666] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   665] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   668] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   667] <... futex resumed>)        = 0
[pid   666] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   665] exit_group(0 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 669 attached
 <unfinished ...>
[pid   668] <... futex resumed>)        = 0
[pid   666] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   665] <... exit_group resumed>)   = ?
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   669] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   666] <... futex resumed>)        = 0
[pid   669] <... set_robust_list resumed>) = 0
[pid   668] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   666] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 669
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   668] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
ci2-android-6-12-rust/strace-static-x86_64: Process 670 attached
[pid   669] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   668] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   667] +++ exited with 0 +++
[pid   665] +++ exited with 0 +++
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   670] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   669] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   668] <... futex resumed>)        = 1
[pid   666] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=665, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   670] <... set_robust_list resumed>) = 0
[pid   668] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   666] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   669] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   666] <... futex resumed>)        = 0
[pid   670] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   666] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   670] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   669] <... prctl resumed>)        = 0
[pid   668] <... openat resumed>)       = 3
[pid   670] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   669] setpgid(0, 0 <unfinished ...>
[pid   668] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 670
[pid   670] <... prctl resumed>)        = 0
[pid   669] <... setpgid resumed>)      = 0
[pid   668] <... futex resumed>)        = 1
[pid   666] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   670] setpgid(0, 0 <unfinished ...>
[pid   669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   668] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   666] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   670] <... setpgid resumed>)      = 0
[pid   668] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   666] <... futex resumed>)        = 0
[pid   668] write(3, "\x38\x00", 2 <unfinished ...>
[pid   666] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   669] <... openat resumed>)       = 3
[pid   668] <... write resumed>)        = 2
[pid   670] <... openat resumed>)       = 3
[pid   669] write(3, "1000", 4 <unfinished ...>
[pid   668] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   670] write(3, "1000", 4 <unfinished ...>
[pid   668] <... futex resumed>)        = 1
[pid   666] <... futex resumed>)        = 0
[pid   670] <... write resumed>)        = 4
[pid   669] <... write resumed>)        = 4
[pid   668] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   666] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   670] close(3 <unfinished ...>
[pid   669] close(3 <unfinished ...>
[pid   668] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   666] <... futex resumed>)        = 0
[pid   670] <... close resumed>)        = 0
[pid   668] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   666] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
executing program
[pid   670] write(1, "executing program\n", 18) = 18
[pid   669] <... close resumed>)        = 0
[pid   668] <... openat resumed>)       = 4
[pid   670] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   669] write(1, "executing program\n", 18) = 18
[pid   668] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   670] <... futex resumed>)        = 0
executing program
[pid   669] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   670] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   669] <... futex resumed>)        = 0
[pid   668] <... futex resumed>)        = 1
[pid   666] <... futex resumed>)        = 0
[pid   670] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   669] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   670] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   669] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   668] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   666] exit_group(0 <unfinished ...>
[pid   670] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   669] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   670] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   669] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   668] <... futex resumed>)        = ?
[pid   666] <... exit_group resumed>)   = ?
[pid   670] <... mmap resumed>)         = 0x7fb4de009000
[pid   669] <... mmap resumed>)         = 0x7fb4de009000
[pid   668] +++ exited with 0 +++
[pid   669] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   669] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   669] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   670] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   669] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   666] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 671 attached
[pid   670] <... mprotect resumed>)     = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   671] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   670] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=666, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   671] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   670] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   669] <... clone3 resumed> => {parent_tid=[671]}, 88) = 671
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   671] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   670] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   671] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 672 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 673 attached
 <unfinished ...>
[pid   669] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   673] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   672] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   670] <... clone3 resumed> => {parent_tid=[672]}, 88) = 672
[pid   669] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   673] <... set_robust_list resumed>) = 0
[pid   672] <... set_robust_list resumed>) = 0
[pid   670] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   673] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   672] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   670] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   669] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   673] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   672] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   670] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   669] <... futex resumed>)        = 1
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 673
[pid   673] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   672] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   671] <... futex resumed>)        = 0
[pid   670] <... futex resumed>)        = 0
[pid   669] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   673] <... prctl resumed>)        = 0
[pid   672] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   671] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   670] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   673] setpgid(0, 0 <unfinished ...>
[pid   672] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   671] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   673] <... setpgid resumed>)      = 0
[pid   672] <... futex resumed>)        = 0
[pid   670] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   671] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   672] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   671] <... futex resumed>)        = 1
[pid   670] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   669] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   673] <... openat resumed>)       = 3
[pid   672] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   671] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   670] <... futex resumed>)        = 0
[pid   669] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   673] write(3, "1000", 4 <unfinished ...>
[pid   672] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   671] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   670] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   669] <... futex resumed>)        = 0
[pid   673] <... write resumed>)        = 4
[pid   669] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   673] close(3 <unfinished ...>
[pid   672] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   671] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   669] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   673] <... close resumed>)        = 0
[pid   672] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   671] <... futex resumed>)        = 0
[pid   669] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   673] write(1, "executing program\n", 18 <unfinished ...>
[pid   672] <... futex resumed>)        = 1
[pid   671] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   670] <... futex resumed>)        = 0
[pid   669] <... futex resumed>)        = 0
executing program
[pid   673] <... write resumed>)        = 18
[pid   672] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   671] <... openat resumed>)       = 3
[pid   670] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   669] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   673] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   672] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   671] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   670] <... futex resumed>)        = 0
[pid   673] <... futex resumed>)        = 0
[pid   672] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   671] <... futex resumed>)        = 1
[pid   670] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   669] <... futex resumed>)        = 0
[pid   673] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   672] <... openat resumed>)       = 3
[pid   671] write(3, "\x38\x00", 2 <unfinished ...>
[pid   669] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   673] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   672] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   671] <... write resumed>)        = 2
[pid   669] <... futex resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   673] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   672] <... futex resumed>)        = 1
[pid   671] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   670] <... futex resumed>)        = 0
[pid   669] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   673] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   672] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   671] <... futex resumed>)        = 0
[pid   670] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   669] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   672] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   671] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   670] <... futex resumed>)        = 0
[pid   669] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   673] <... mmap resumed>)         = 0x7fb4de009000
[pid   672] write(3, "\x38\x00", 2 <unfinished ...>
[pid   671] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   670] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   669] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   673] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   672] <... write resumed>)        = 2
[pid   671] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   669] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   673] <... mprotect resumed>)     = 0
[pid   672] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   672] <... futex resumed>)        = 1
[pid   671] <... openat resumed>)       = 4
[pid   670] <... futex resumed>)        = 0
[pid   673] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   673] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   672] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   671] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   670] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   673] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 674 attached
 <unfinished ...>
[pid   672] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   671] <... futex resumed>)        = 1
[pid   670] <... futex resumed>)        = 0
[pid   669] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 675 attached
[pid   674] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   672] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   671] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   670] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   669] exit_group(0 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 674
[pid   675] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   673] <... clone3 resumed> => {parent_tid=[675]}, 88) = 675
[pid   672] <... openat resumed>)       = 4
[pid   669] <... exit_group resumed>)   = ?
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   675] <... set_robust_list resumed>) = 0
[pid   674] <... set_robust_list resumed>) = 0
[pid   673] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   672] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   675] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   671] <... futex resumed>)        = ?
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   675] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   674] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   673] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   672] <... futex resumed>)        = 1
[pid   670] <... futex resumed>)        = 0
[pid   675] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   674] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   673] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   672] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   670] exit_group(0 <unfinished ...>
[pid   675] <... futex resumed>)        = 0
[pid   674] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   673] <... futex resumed>)        = 1
[pid   670] <... exit_group resumed>)   = ?
[pid   675] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   673] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   672] <... futex resumed>)        = ?
[pid   675] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   674] <... prctl resumed>)        = 0
[pid   671] +++ exited with 0 +++
[pid   669] +++ exited with 0 +++
[pid   675] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=669, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   675] <... futex resumed>)        = 1
[pid   673] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   675] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   674] setpgid(0, 0 <unfinished ...>
[pid   673] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   672] +++ exited with 0 +++
[pid   670] +++ exited with 0 +++
[pid   675] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   674] <... setpgid resumed>)      = 0
[pid   673] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=670, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   675] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   673] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   675] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   675] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   673] <... futex resumed>)        = 0
[pid   673] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   674] <... openat resumed>)       = 3
[pid   673] <... futex resumed>)        = 0
[pid   675] <... futex resumed>)        = 1
[pid   674] write(3, "1000", 4 <unfinished ...>
[pid   673] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   675] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid   674] <... write resumed>)        = 4
[pid   675] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   674] close(3 <unfinished ...>
[pid   673] <... futex resumed>)        = 0
[pid   675] write(3, "\x38\x00", 2 <unfinished ...>
[pid   674] <... close resumed>)        = 0
[pid   673] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   675] <... write resumed>)        = 2
[pid   674] write(1, "executing program\n", 18 <unfinished ...>
[pid   673] <... futex resumed>)        = 0
executing program
[pid   675] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   674] <... write resumed>)        = 18
[pid   673] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   675] <... futex resumed>)        = 0
[pid   674] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   673] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   675] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   674] <... futex resumed>)        = 0
[pid   673] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   675] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   674] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   673] <... futex resumed>)        = 0
[pid   675] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   674] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   675] <... openat resumed>)       = 4
[pid   674] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   673] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   675] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   674] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   675] <... futex resumed>)        = 1
[pid   673] <... futex resumed>)        = 0
[pid   675] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   673] exit_group(0 <unfinished ...>
[pid   675] <... futex resumed>)        = ?
[pid   673] <... exit_group resumed>)   = ?
[pid   675] +++ exited with 0 +++
[pid   674] <... mmap resumed>)         = 0x7fb4de009000
[pid   673] +++ exited with 0 +++
[pid   314] <... restart_syscall resumed>) = 0
[pid   674] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   674] <... mprotect resumed>)     = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=673, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   674] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   674] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 676 attached
[pid   674] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   676] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 676
[pid   676] <... set_robust_list resumed>) = 0
[pid   674] <... clone3 resumed> => {parent_tid=[677]}, 88) = 677
ci2-android-6-12-rust/strace-static-x86_64: Process 677 attached
[pid   676] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   674] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   676] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   674] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 678 attached
[pid   677] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 678
[pid   678] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   677] <... set_robust_list resumed>) = 0
[pid   676] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   674] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   678] <... set_robust_list resumed>) = 0
[pid   677] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   674] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   678] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   677] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   678] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   677] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   678] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   677] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   676] <... prctl resumed>)        = 0
[pid   674] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   678] <... prctl resumed>)        = 0
[pid   677] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   676] setpgid(0, 0 <unfinished ...>
[pid   674] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   676] <... setpgid resumed>)      = 0
[pid   678] setpgid(0, 0 <unfinished ...>
[pid   677] <... futex resumed>)        = 0
[pid   674] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   678] <... setpgid resumed>)      = 0
[pid   677] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   674] <... futex resumed>)        = 0
[pid   678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   677] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   678] <... openat resumed>)       = 3
[pid   677] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   676] <... openat resumed>)       = 3
[pid   674] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   676] write(3, "1000", 4 <unfinished ...>
[pid   674] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   674] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   676] <... write resumed>)        = 4
[pid   674] <... futex resumed>)        = 0
[pid   678] write(3, "1000", 4 <unfinished ...>
[pid   677] <... futex resumed>)        = 0
[pid   674] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   678] <... write resumed>)        = 4
[pid   677] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   676] close(3 <unfinished ...>
[pid   678] close(3 <unfinished ...>
[pid   677] <... openat resumed>)       = 3
[pid   676] <... close resumed>)        = 0
[pid   678] <... close resumed>)        = 0
[pid   677] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   676] write(1, "executing program\n", 18 <unfinished ...>
[pid   678] write(1, "executing program\n", 18 <unfinished ...>
[pid   677] <... futex resumed>)        = 1
[pid   676] <... write resumed>)        = 18
executing program
executing program
[pid   674] <... futex resumed>)        = 0
[pid   678] <... write resumed>)        = 18
[pid   677] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   676] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   674] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   678] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   677] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   676] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   678] <... futex resumed>)        = 0
[pid   677] write(3, "\x38\x00", 2 <unfinished ...>
[pid   676] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   678] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   677] <... write resumed>)        = 2
[pid   676] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   674] <... futex resumed>)        = 0
[pid   678] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   677] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   676] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   678] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   677] <... futex resumed>)        = 0
[pid   676] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   678] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   677] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   678] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   676] <... mmap resumed>)         = 0x7fb4de009000
[pid   674] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   678] <... mmap resumed>)         = 0x7fb4de009000
[pid   676] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 679 attached
[pid   678] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   676] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   679] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   678] <... mprotect resumed>)     = 0
[pid   674] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   679] <... set_robust_list resumed>) = 0
[pid   674] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 679
[pid   679] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   678] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   677] <... futex resumed>)        = 0
[pid   676] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   674] <... futex resumed>)        = 1
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   678] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   677] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   676] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 680 attached
 <unfinished ...>
[pid   679] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   678] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   677] <... openat resumed>)       = 4
[pid   674] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 681 attached
[pid   679] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   680] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   677] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   676] <... clone3 resumed> => {parent_tid=[680]}, 88) = 680
[pid   681] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   680] <... set_robust_list resumed>) = 0
[pid   679] <... prctl resumed>)        = 0
[pid   678] <... clone3 resumed> => {parent_tid=[681]}, 88) = 681
[pid   677] <... futex resumed>)        = 1
[pid   676] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   674] <... futex resumed>)        = 0
[pid   681] <... set_robust_list resumed>) = 0
[pid   680] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   679] setpgid(0, 0 <unfinished ...>
[pid   678] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   677] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   676] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   674] exit_group(0 <unfinished ...>
[pid   681] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   680] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   679] <... setpgid resumed>)      = 0
[pid   678] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   677] <... futex resumed>)        = ?
[pid   676] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   674] <... exit_group resumed>)   = ?
[pid   681] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   680] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   678] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   677] +++ exited with 0 +++
[pid   676] <... futex resumed>)        = 0
[pid   674] +++ exited with 0 +++
[pid   678] <... futex resumed>)        = 0
[pid   676] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   680] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   679] <... openat resumed>)       = 3
[pid   678] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   681] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid   681] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   678] <... futex resumed>)        = 0
[pid   681] <... futex resumed>)        = 1
[pid   678] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   681] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   678] <... futex resumed>)        = 0
[pid   681] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   680] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   679] write(3, "1000", 4 <unfinished ...>
[pid   678] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=674, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   680] <... futex resumed>)        = 1
[pid   679] <... write resumed>)        = 4
[pid   680] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   679] close(3 <unfinished ...>
executing program
[pid   681] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   679] <... close resumed>)        = 0
[pid   676] <... futex resumed>)        = 0
[pid   681] <... futex resumed>)        = 1
[pid   679] write(1, "executing program\n", 18 <unfinished ...>
[pid   678] <... futex resumed>)        = 0
[pid   676] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   681] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   679] <... write resumed>)        = 18
[pid   680] <... futex resumed>)        = 0
[pid   678] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   676] <... futex resumed>)        = 1
[pid   681] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   680] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   679] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   678] <... futex resumed>)        = 0
[pid   676] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   681] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   680] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   679] <... futex resumed>)        = 0
[pid   678] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   681] <... openat resumed>)       = 3
[pid   679] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   681] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   678] <... futex resumed>)        = 0
[pid   681] <... futex resumed>)        = 1
[pid   678] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   681] write(3, "\x38\x00", 2 <unfinished ...>
[pid   679] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   678] <... futex resumed>)        = 0
[pid   680] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   681] <... write resumed>)        = 2
[pid   679] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   678] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   681] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   680] <... futex resumed>)        = 1
[pid   679] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   676] <... futex resumed>)        = 0
[pid   681] <... futex resumed>)        = 1
[pid   678] <... futex resumed>)        = 0
[pid   676] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   681] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   680] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   679] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   678] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   676] <... futex resumed>)        = 0
[pid   680] <... openat resumed>)       = 3
[pid   679] <... mmap resumed>)         = 0x7fb4de009000
[pid   680] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   679] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   680] <... futex resumed>)        = 0
[pid   681] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   680] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   679] <... mprotect resumed>)     = 0
[pid   678] <... futex resumed>)        = 0
[pid   676] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   681] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   679] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   678] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   676] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   681] <... openat resumed>)       = 4
[pid   679] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   676] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   681] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   680] <... futex resumed>)        = 0
[pid   679] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   676] <... futex resumed>)        = 1
[pid   681] <... futex resumed>)        = 1
[pid   680] write(3, "\x38\x00", 2 <unfinished ...>
[pid   678] <... futex resumed>)        = 0
[pid   676] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 682 attached
 <unfinished ...>
[pid   681] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   680] <... write resumed>)        = 2
[pid   678] exit_group(0 <unfinished ...>
[pid   682] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   681] <... futex resumed>)        = ?
[pid   680] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   679] <... clone3 resumed> => {parent_tid=[682]}, 88) = 682
[pid   678] <... exit_group resumed>)   = ?
[pid   682] <... set_robust_list resumed>) = 0
[pid   681] +++ exited with 0 +++
[pid   680] <... futex resumed>)        = 1
[pid   679] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   678] +++ exited with 0 +++
[pid   676] <... futex resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   682] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   680] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   679] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   676] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   682] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   680] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   679] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   676] <... futex resumed>)        = 0
[pid   682] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   680] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   679] <... futex resumed>)        = 0
[pid   676] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=678, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   682] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   682] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   680] <... openat resumed>)       = 4
[pid   682] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   679] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   680] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   679] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   680] <... futex resumed>)        = 1
[pid   679] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   680] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   679] <... futex resumed>)        = 0
[pid   682] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   679] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   676] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   682] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   676] exit_group(0 <unfinished ...>
[pid   682] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   676] <... exit_group resumed>)   = ?
[pid   682] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   680] <... futex resumed>)        = ?
[pid   682] <... futex resumed>)        = 1
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   682] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   679] <... futex resumed>)        = 0
[pid   679] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   682] <... futex resumed>)        = 0
[pid   679] <... futex resumed>)        = 1
[pid   682] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid   679] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 683 attached
 <unfinished ...>
[pid   682] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   679] <... futex resumed>)        = 0
[pid   679] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   682] write(3, "\x38\x00", 2 <unfinished ...>
[pid   679] <... futex resumed>)        = 0
[pid   682] <... write resumed>)        = 2
[pid   679] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   682] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   680] +++ exited with 0 +++
[pid   679] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   676] +++ exited with 0 +++
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   683] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   682] <... futex resumed>)        = 0
[pid   679] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=676, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   683] <... set_robust_list resumed>) = 0
[pid   682] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   679] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 683
[pid   683] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   679] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   683] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   682] <... openat resumed>)       = 4
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   683] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   682] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   683] <... prctl resumed>)        = 0
[pid   683] setpgid(0, 0 <unfinished ...>
[pid   682] <... futex resumed>)        = 1
[pid   679] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 684
[pid   683] <... setpgid resumed>)      = 0
[pid   682] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   679] exit_group(0 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 684 attached
 <unfinished ...>
[pid   683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   682] <... futex resumed>)        = ?
[pid   679] <... exit_group resumed>)   = ?
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   684] set_robust_list(0x55557716c6a0, 24) = 0
[pid   684] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   682] +++ exited with 0 +++
[pid   684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   684] setpgid(0, 0)               = 0
[pid   684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   684] write(3, "1000", 4)         = 4
[pid   679] +++ exited with 0 +++
[pid   684] close(3)                    = 0
[pid   683] <... openat resumed>)       = 3
[pid   684] write(1, "executing program\n", 18) = 18
[pid   684] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid   684] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   684] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   683] write(3, "1000", 4 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=679, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   684] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   683] <... write resumed>)        = 4
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   683] close(3 <unfinished ...>
[pid   684] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   683] <... close resumed>)        = 0
[pid   684] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   684] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   683] write(1, "executing program\n", 18ci2-android-6-12-rust/strace-static-x86_64: Process 685 attached
) = 18
[pid   684] <... clone3 resumed> => {parent_tid=[685]}, 88) = 685
[pid   685] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   683] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   685] <... set_robust_list resumed>) = 0
[pid   684] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   683] <... futex resumed>)        = 0
[pid   685] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   684] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   684] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid   684] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   685] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   683] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   685] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   683] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   685] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   683] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   685] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   683] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   685] <... futex resumed>)        = 1
[pid   683] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   685] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   684] <... futex resumed>)        = 0
[pid   683] <... mmap resumed>)         = 0x7fb4de009000
[pid   684] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   684] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   683] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   685] <... futex resumed>)        = 0
[pid   683] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   685] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   683] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   683] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   685] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
ci2-android-6-12-rust/strace-static-x86_64: Process 686 attached
[pid   685] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   684] <... futex resumed>)        = 0
[pid   683] <... clone3 resumed> => {parent_tid=[686]}, 88) = 686
[pid   686] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   685] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   684] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   686] <... set_robust_list resumed>) = 0
[pid   685] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   686] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   685] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   684] <... futex resumed>)        = 0
[pid   683] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   686] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   685] <... openat resumed>)       = 3
[pid   684] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   683] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   686] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   683] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   683] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   685] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   684] <... futex resumed>)        = 0
[pid   685] <... futex resumed>)        = 1
[pid   684] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   685] write(3, "\x38\x00", 2 <unfinished ...>
[pid   684] <... futex resumed>)        = 0
[pid   685] <... write resumed>)        = 2
[pid   684] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   685] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   684] <... futex resumed>)        = 0
[pid   685] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   684] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   685] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   684] <... futex resumed>)        = 0
[pid   685] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   684] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   685] <... openat resumed>)       = 4
[pid   685] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   684] <... futex resumed>)        = 0
[pid   685] <... futex resumed>)        = 1
[pid   685] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   684] exit_group(0 <unfinished ...>
[pid   685] <... futex resumed>)        = ?
[pid   685] +++ exited with 0 +++
[pid   684] <... exit_group resumed>)   = ?
[pid   686] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   684] +++ exited with 0 +++
[pid   314] <... restart_syscall resumed>) = 0
[pid   686] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=684, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   686] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   686] <... futex resumed>)        = 1
[pid   683] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   686] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   683] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   686] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   683] <... futex resumed>)        = 0
[pid   683] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   686] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
ci2-android-6-12-rust/strace-static-x86_64: Process 687 attached
[pid   686] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 687
[pid   687] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   686] <... futex resumed>)        = 1
[pid   683] <... futex resumed>)        = 0
[pid   687] <... set_robust_list resumed>) = 0
[pid   686] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   683] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   687] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   687] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   687] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   686] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   683] <... futex resumed>)        = 0
[pid   686] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   683] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   686] <... openat resumed>)       = 3
[pid   686] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   683] <... futex resumed>)        = 0
[pid   686] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   683] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   686] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   683] <... futex resumed>)        = 0
[pid   686] write(3, "\x38\x00", 2 <unfinished ...>
[pid   683] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   686] <... write resumed>)        = 2
[pid   686] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   683] <... futex resumed>)        = 0
[pid   686] <... futex resumed>)        = 1
[pid   683] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   687] <... prctl resumed>)        = 0
[pid   686] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   683] <... futex resumed>)        = 0
[pid   687] setpgid(0, 0 <unfinished ...>
[pid   686] <... openat resumed>)       = 4
[pid   683] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   687] <... setpgid resumed>)      = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   686] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   686] <... futex resumed>)        = 1
[pid   683] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   686] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   683] exit_group(0 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   686] <... futex resumed>)        = ?
[pid   683] <... exit_group resumed>)   = ?
[pid   687] <... openat resumed>)       = 3
[pid   686] +++ exited with 0 +++
[pid   683] +++ exited with 0 +++
[pid   687] write(3, "1000", 4ci2-android-6-12-rust/strace-static-x86_64: Process 688 attached
 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   688] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   688] <... set_robust_list resumed>) = 0
[pid   687] <... write resumed>)        = 4
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=683, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   688] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   687] close(3 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 688
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 689 attached
 <unfinished ...>
[pid   688] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   687] <... close resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   687] write(1, "executing program\n", 18 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   689] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   687] <... write resumed>)        = 18
executing program
[pid   689] <... set_robust_list resumed>) = 0
[pid   688] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   687] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   688] <... prctl resumed>)        = 0
[pid   688] setpgid(0, 0)               = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 689
[pid   689] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   688] write(3, "1000", 4 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   688] <... write resumed>)        = 4
[pid   688] close(3)                    = 0
[pid   688] write(1, "executing program\n", 18) = 18
[pid   688] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid   688] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   688] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   688] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   688] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   688] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 690 attached
 => {parent_tid=[690]}, 88) = 690
[pid   690] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   689] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   687] <... futex resumed>)        = 0
[pid   690] <... set_robust_list resumed>) = 0
[pid   688] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   690] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   688] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   687] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   690] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   689] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   688] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   687] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   690] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   689] <... prctl resumed>)        = 0
[pid   688] <... futex resumed>)        = 0
[pid   687] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   690] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   689] setpgid(0, 0 <unfinished ...>
[pid   688] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   690] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   689] <... setpgid resumed>)      = 0
[pid   687] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   690] <... futex resumed>)        = 0
[pid   688] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   690] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   688] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   690] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   688] <... futex resumed>)        = 0
[pid   690] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   688] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   687] <... mmap resumed>)         = 0x7fb4de009000
[pid   690] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   689] <... openat resumed>)       = 3
[pid   687] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   689] write(3, "1000", 4 <unfinished ...>
[pid   690] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   687] <... mprotect resumed>)     = 0
[pid   690] <... futex resumed>)        = 1
[pid   689] <... write resumed>)        = 4
[pid   688] <... futex resumed>)        = 0
[pid   687] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   689] close(3 <unfinished ...>
[pid   687] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   690] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   689] <... close resumed>)        = 0
[pid   688] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   687] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   690] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   689] write(1, "executing program\n", 18 <unfinished ...>
[pid   688] <... futex resumed>)        = 0
[pid   690] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   688] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   690] <... openat resumed>)       = 3
[pid   690] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   688] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 691 attached
[pid   690] <... futex resumed>)        = 1
[pid   689] <... write resumed>)        = 18
executing program
[pid   688] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   691] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   690] write(3, "\x38\x00", 2 <unfinished ...>
[pid   689] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   688] <... futex resumed>)        = 0
[pid   691] <... set_robust_list resumed>) = 0
[pid   690] <... write resumed>)        = 2
[pid   689] <... futex resumed>)        = 0
[pid   688] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   687] <... clone3 resumed> => {parent_tid=[691]}, 88) = 691
[pid   691] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   690] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   689] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   688] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   691] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   689] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   687] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   689] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   687] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   689] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   687] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   687] <... futex resumed>)        = 0
[pid   691] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   690] <... futex resumed>)        = 0
[pid   688] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   691] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   690] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   689] <... mmap resumed>)         = 0x7fb4de009000
[pid   688] <... futex resumed>)        = 0
[pid   687] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   691] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   690] <... openat resumed>)       = 4
[pid   689] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   688] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   687] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   691] <... futex resumed>)        = 0
[pid   690] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   689] <... mprotect resumed>)     = 0
[pid   688] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   691] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   690] <... futex resumed>)        = 0
[pid   689] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   688] exit_group(0 <unfinished ...>
[pid   687] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   691] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   689] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   688] <... exit_group resumed>)   = ?
[pid   687] <... futex resumed>)        = 0
[pid   691] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   690] +++ exited with 0 +++
[pid   689] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   688] +++ exited with 0 +++
[pid   687] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   691] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   691] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 692 attached
[pid   691] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   687] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=688, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   692] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   687] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   692] <... set_robust_list resumed>) = 0
[pid   691] <... futex resumed>)        = 0
[pid   689] <... clone3 resumed> => {parent_tid=[692]}, 88) = 692
[pid   687] <... futex resumed>)        = 1
[pid   692] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   691] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   692] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   691] <... openat resumed>)       = 3
[pid   689] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   687] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   692] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   689] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   689] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   692] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   691] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   689] <... futex resumed>)        = 0
[pid   687] <... futex resumed>)        = 0
[pid   691] <... futex resumed>)        = 1
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   689] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   691] write(3, "\x38\x00", 2 <unfinished ...>
[pid   687] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   691] <... write resumed>)        = 2
[pid   687] <... futex resumed>)        = 0
[pid   691] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   687] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   691] <... futex resumed>)        = 0
[pid   692] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid   692] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 693 attached
) = 1
[pid   691] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   689] <... futex resumed>)        = 0
[pid   687] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 693
[pid   693] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   692] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   691] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   689] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   687] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   692] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   692] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   693] <... set_robust_list resumed>) = 0
[pid   692] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   692] <... futex resumed>)        = 0
[pid   692] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   691] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   693] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   692] <... futex resumed>)        = 0
[pid   689] <... futex resumed>)        = 1
[pid   687] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   693] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   692] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   691] <... openat resumed>)       = 4
[pid   689] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   687] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   693] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   691] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   689] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   693] <... prctl resumed>)        = 0
[pid   691] <... futex resumed>)        = 1
[pid   689] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   687] <... futex resumed>)        = 0
[pid   693] setpgid(0, 0 <unfinished ...>
[pid   691] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   689] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   693] <... setpgid resumed>)      = 0
[pid   689] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   687] exit_group(0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   691] <... futex resumed>)        = ?
[pid   687] <... exit_group resumed>)   = ?
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   691] +++ exited with 0 +++
[pid   692] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   692] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid   692] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   689] <... futex resumed>)        = 0
[pid   687] +++ exited with 0 +++
[pid   693] <... openat resumed>)       = 3
[pid   692] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   689] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   692] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   689] <... futex resumed>)        = 0
[pid   692] write(3, "\x38\x00", 2 <unfinished ...>
[pid   689] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=687, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 694 attached
[pid   693] write(3, "1000", 4 <unfinished ...>
[pid   692] <... write resumed>)        = 2
[pid   694] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   693] <... write resumed>)        = 4
[pid   692] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   689] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 694
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   693] close(3 <unfinished ...>
[pid   692] <... futex resumed>)        = 0
[pid   694] <... set_robust_list resumed>) = 0
[pid   693] <... close resumed>)        = 0
[pid   692] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   689] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   694] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   693] write(1, "executing program\n", 18 <unfinished ...>
[pid   692] <... openat resumed>)       = 4
executing program
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   694] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   693] <... write resumed>)        = 18
[pid   692] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   689] <... futex resumed>)        = 0
[pid   692] <... futex resumed>)        = 0
[pid   692] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   694] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   693] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   689] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   694] <... prctl resumed>)        = 0
[pid   693] <... futex resumed>)        = 0
[pid   693] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   689] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   694] setpgid(0, 0 <unfinished ...>
[pid   693] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   689] exit_group(0 <unfinished ...>
[pid   694] <... setpgid resumed>)      = 0
[pid   693] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   689] <... exit_group resumed>)   = ?
[pid   693] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   692] <... futex resumed>)        = ?
[pid   694] <... openat resumed>)       = 3
[pid   693] <... mmap resumed>)         = 0x7fb4de009000
[pid   692] +++ exited with 0 +++
[pid   689] +++ exited with 0 +++
[pid   694] write(3, "1000", 4 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=689, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   693] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   694] <... write resumed>)        = 4
[pid   693] <... mprotect resumed>)     = 0
[pid   694] close(3)                    = 0
[pid   694] write(1, "executing program\n", 18) = 18
[pid   694] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid   694] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   694] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   694] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   694] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   693] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   694] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   694] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   693] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 695 attached
[pid   693] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   695] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   694] <... clone3 resumed> => {parent_tid=[695]}, 88) = 695
ci2-android-6-12-rust/strace-static-x86_64: Process 696 attached
[pid   695] <... set_robust_list resumed>) = 0
[pid   694] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   693] <... clone3 resumed> => {parent_tid=[696]}, 88) = 696
[pid   696] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   695] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   694] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   695] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   694] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   696] <... set_robust_list resumed>) = 0
[pid   695] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   694] <... futex resumed>)        = 0
[pid   693] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   696] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   694] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   696] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   693] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   696] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   693] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   696] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   693] <... futex resumed>)        = 0
[pid   695] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   693] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   695] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   696] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   695] <... futex resumed>)        = 1
[pid   694] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   696] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   695] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   694] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   696] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   695] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   694] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   696] <... futex resumed>)        = 1
[pid   695] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   694] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   693] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   696] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   695] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   693] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   695] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   694] <... futex resumed>)        = 0
[pid   694] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   694] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   695] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 697 attached
[pid   696] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   695] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   693] <... futex resumed>)        = 0
[pid   696] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   693] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   697] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   696] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   695] <... openat resumed>)       = 3
[pid   697] <... set_robust_list resumed>) = 0
[pid   695] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   697] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   695] <... futex resumed>)        = 1
[pid   694] <... futex resumed>)        = 0
[pid   697] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   696] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   695] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   694] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 697
[pid   697] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   696] <... futex resumed>)        = 1
[pid   695] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   694] <... futex resumed>)        = 0
[pid   693] <... futex resumed>)        = 0
[pid   697] <... prctl resumed>)        = 0
[pid   696] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   695] write(3, "\x38\x00", 2 <unfinished ...>
[pid   694] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   693] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   697] setpgid(0, 0 <unfinished ...>
[pid   696] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   695] <... write resumed>)        = 2
[pid   697] <... setpgid resumed>)      = 0
[pid   695] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   696] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   694] <... futex resumed>)        = 0
[pid   693] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   696] <... openat resumed>)       = 3
[pid   693] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   697] <... openat resumed>)       = 3
[pid   696] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   695] <... futex resumed>)        = 1
[pid   694] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   697] write(3, "1000", 4 <unfinished ...>
[pid   696] <... futex resumed>)        = 1
[pid   695] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   694] <... futex resumed>)        = 0
[pid   693] <... futex resumed>)        = 0
[pid   697] <... write resumed>)        = 4
[pid   696] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   695] <... openat resumed>)       = 4
[pid   694] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   693] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   697] close(3 <unfinished ...>
[pid   696] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   695] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   694] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   693] <... futex resumed>)        = 0
[pid   697] <... close resumed>)        = 0
[pid   696] write(3, "\x38\x00", 2 <unfinished ...>
[pid   695] <... futex resumed>)        = 0
[pid   694] exit_group(0 <unfinished ...>
[pid   697] write(1, "executing program\n", 18 <unfinished ...>
[pid   696] <... write resumed>)        = 2
[pid   694] <... exit_group resumed>)   = ?
executing program
[pid   693] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   697] <... write resumed>)        = 18
[pid   696] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   695] +++ exited with 0 +++
[pid   694] +++ exited with 0 +++
[pid   693] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... restart_syscall resumed>) = 0
[pid   696] <... futex resumed>)        = 0
[pid   693] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   696] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   693] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=694, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   693] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   697] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   697] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   696] <... openat resumed>)       = 4
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   697] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   697] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   697] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   696] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   697] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   696] <... futex resumed>)        = 1
[pid   693] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   697] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   696] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   693] exit_group(0 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 698 attached
 <unfinished ...>
[pid   697] <... clone3 resumed> => {parent_tid=[698]}, 88) = 698
[pid   698] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   697] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   698] <... set_robust_list resumed>) = 0
[pid   697] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   698] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   698] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   697] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   696] <... futex resumed>)        = ?
[pid   693] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 699 attached
[pid   698] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   697] <... futex resumed>)        = 0
[pid   696] +++ exited with 0 +++
[pid   699] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   697] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   699] <... set_robust_list resumed>) = 0
[pid   698] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   699] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   698] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   699] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   698] <... futex resumed>)        = 1
[pid   697] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   699] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   698] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   697] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   698] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   697] <... futex resumed>)        = 0
[pid   699] <... prctl resumed>)        = 0
[pid   699] setpgid(0, 0 <unfinished ...>
[pid   697] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   699] <... setpgid resumed>)      = 0
[pid   698] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 700 attached
 <unfinished ...>
[pid   699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   698] <... futex resumed>)        = 1
[pid   697] <... futex resumed>)        = 0
[pid   693] +++ exited with 0 +++
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 700
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 699
[pid   700] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   699] <... openat resumed>)       = 3
[pid   698] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   697] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   700] <... set_robust_list resumed>) = 0
[pid   698] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   697] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=693, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   699] write(3, "1000", 4 <unfinished ...>
[pid   698] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   697] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   700] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   699] <... write resumed>)        = 4
[pid   698] <... openat resumed>)       = 3
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   700] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   699] close(3 <unfinished ...>
[pid   698] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   699] <... close resumed>)        = 0
[pid   698] <... futex resumed>)        = 1
[pid   697] <... futex resumed>)        = 0
[pid   699] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   698] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   697] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   700] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   699] <... write resumed>)        = 18
[pid   698] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   697] <... futex resumed>)        = 0
[pid   700] <... prctl resumed>)        = 0
[pid   699] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   698] write(3, "\x38\x00", 2 <unfinished ...>
[pid   697] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   700] setpgid(0, 0 <unfinished ...>
[pid   699] <... futex resumed>)        = 0
[pid   698] <... write resumed>)        = 2
[pid   700] <... setpgid resumed>)      = 0
[pid   699] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   698] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   699] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   698] <... futex resumed>)        = 1
[pid   697] <... futex resumed>)        = 0
[pid   699] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   698] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   697] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   700] <... openat resumed>)       = 3
[pid   699] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   698] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   697] <... futex resumed>)        = 0
[pid   700] write(3, "1000", 4 <unfinished ...>
[pid   699] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   698] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   697] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   700] <... write resumed>)        = 4
[pid   699] <... mmap resumed>)         = 0x7fb4de009000
[pid   698] <... openat resumed>)       = 4
[pid   699] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   700] close(3)                    = 0
[pid   699] <... mprotect resumed>)     = 0
[pid   698] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid   700] write(1, "executing program\n", 18) = 18
[pid   699] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   698] <... futex resumed>)        = 1
[pid   697] <... futex resumed>)        = 0
[pid   700] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   698] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   697] exit_group(0 <unfinished ...>
[pid   700] <... futex resumed>)        = 0
[pid   700] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   699] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   698] <... futex resumed>)        = ?
[pid   697] <... exit_group resumed>)   = ?
[pid   700] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   699] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   698] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 701 attached
[pid   700] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   697] +++ exited with 0 +++
[pid   701] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   700] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=697, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   700] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   699] <... clone3 resumed> => {parent_tid=[701]}, 88) = 701
[pid   700] <... mmap resumed>)         = 0x7fb4de009000
[pid   699] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   699] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   699] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   700] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   701] <... set_robust_list resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   701] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   700] <... mprotect resumed>)     = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   701] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   701] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   700] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   700] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   700] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 702 attached
[pid   701] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 703 attached
 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 703
ci2-android-6-12-rust/strace-static-x86_64: Process 704 attached
[pid   703] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   702] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   701] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   700] <... clone3 resumed> => {parent_tid=[702]}, 88) = 702
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   704] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   703] <... set_robust_list resumed>) = 0
[pid   702] <... set_robust_list resumed>) = 0
[pid   701] <... futex resumed>)        = 1
[pid   700] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   704] <... set_robust_list resumed>) = 0
[pid   703] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   702] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   701] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   700] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 704
[pid   704] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   703] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   702] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   700] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   704] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   703] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   702] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   700] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   704] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   703] <... prctl resumed>)        = 0
[pid   704] <... prctl resumed>)        = 0
[pid   703] setpgid(0, 0 <unfinished ...>
[pid   700] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   704] setpgid(0, 0 <unfinished ...>
[pid   703] <... setpgid resumed>)      = 0
[pid   702] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   704] <... setpgid resumed>)      = 0
[pid   704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   702] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   699] <... futex resumed>)        = 0
[pid   699] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   701] <... futex resumed>)        = 0
[pid   699] <... futex resumed>)        = 1
[pid   701] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   699] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   701] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   701] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   699] <... futex resumed>)        = 0
[pid   701] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   699] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   704] <... openat resumed>)       = 3
[pid   702] <... futex resumed>)        = 1
[pid   701] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   699] <... futex resumed>)        = 0
[pid   704] write(3, "1000", 4 <unfinished ...>
[pid   703] <... openat resumed>)       = 3
[pid   702] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   701] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   700] <... futex resumed>)        = 0
[pid   699] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   704] <... write resumed>)        = 4
[pid   703] write(3, "1000", 4 <unfinished ...>
[pid   701] <... openat resumed>)       = 3
[pid   704] close(3 <unfinished ...>
[pid   703] <... write resumed>)        = 4
[pid   701] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   700] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   704] <... close resumed>)        = 0
[pid   703] close(3 <unfinished ...>
[pid   701] <... futex resumed>)        = 1
[pid   700] <... futex resumed>)        = 1
[pid   699] <... futex resumed>)        = 0
[pid   702] <... futex resumed>)        = 0
[pid   704] write(1, "executing program\n", 18 <unfinished ...>
[pid   703] <... close resumed>)        = 0
[pid   702] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   701] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   700] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   699] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   703] write(1, "executing program\n", 18 <unfinished ...>
[pid   701] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   699] <... futex resumed>)        = 0
[pid   704] <... write resumed>)        = 18
[pid   703] <... write resumed>)        = 18
[pid   702] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   701] write(3, "\x38\x00", 2 <unfinished ...>
executing program
executing program
[pid   699] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   704] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   703] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   702] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   701] <... write resumed>)        = 2
[pid   703] <... futex resumed>)        = 0
[pid   702] <... futex resumed>)        = 1
[pid   701] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   700] <... futex resumed>)        = 0
[pid   704] <... futex resumed>)        = 0
[pid   703] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   702] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   701] <... futex resumed>)        = 1
[pid   699] <... futex resumed>)        = 0
[pid   704] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   703] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   702] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   701] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   700] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   699] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   704] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   703] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   702] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   701] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   699] <... futex resumed>)        = 0
[pid   703] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   701] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   700] <... futex resumed>)        = 0
[pid   699] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   704] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   703] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   702] <... openat resumed>)       = 3
[pid   701] <... openat resumed>)       = 4
[pid   700] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   704] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   701] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   704] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   703] <... mmap resumed>)         = 0x7fb4de009000
[pid   702] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   701] <... futex resumed>)        = 1
[pid   700] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   699] <... futex resumed>)        = 0
[pid   704] <... mmap resumed>)         = 0x7fb4de009000
[pid   703] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   702] <... futex resumed>)        = 0
[pid   701] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   700] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   699] exit_group(0 <unfinished ...>
[pid   704] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   702] write(3, "\x38\x00", 2 <unfinished ...>
[pid   701] <... futex resumed>)        = ?
[pid   700] <... futex resumed>)        = 0
[pid   699] <... exit_group resumed>)   = ?
[pid   704] <... mprotect resumed>)     = 0
[pid   703] <... mprotect resumed>)     = 0
[pid   702] <... write resumed>)        = 2
[pid   701] +++ exited with 0 +++
[pid   700] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   699] +++ exited with 0 +++
[pid   703] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   704] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   702] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   700] <... futex resumed>)        = 0
[pid   702] <... futex resumed>)        = 1
[pid   700] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   702] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   700] <... futex resumed>)        = 0
[pid   704] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   703] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   702] <... openat resumed>)       = 4
[pid   700] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=699, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   704] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   703] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   702] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   700] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 705 attached
[pid   702] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   700] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 706 attached
 <unfinished ...>
[pid   704] <... clone3 resumed> => {parent_tid=[705]}, 88) = 705
[pid   703] <... clone3 resumed> => {parent_tid=[706]}, 88) = 706
[pid   706] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   704] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   703] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   706] <... set_robust_list resumed>) = 0
[pid   704] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   703] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   706] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   704] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   703] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   706] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   704] <... futex resumed>)        = 0
[pid   703] <... futex resumed>)        = 0
[pid   705] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   703] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   702] <... futex resumed>)        = ?
[pid   700] <... exit_group resumed>)   = ?
[pid   706] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   705] <... set_robust_list resumed>) = 0
[pid   704] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   702] +++ exited with 0 +++
[pid   700] +++ exited with 0 +++
[pid   705] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   705] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid   705] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   705] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   706] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   706] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   706] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   704] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   704] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   705] <... futex resumed>)        = 0
[pid   705] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   704] <... futex resumed>)        = 1
[pid   705] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   704] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   705] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   704] <... futex resumed>)        = 0
[pid   705] <... futex resumed>)        = 1
[pid   704] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   705] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   704] <... futex resumed>)        = 0
[pid   705] <... openat resumed>)       = 3
[pid   704] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   703] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=700, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   703] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   703] <... futex resumed>)        = 1
[pid   706] <... futex resumed>)        = 0
[pid   705] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   703] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   706] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   705] <... futex resumed>)        = 1
[pid   704] <... futex resumed>)        = 0
[pid   706] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   705] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   704] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   706] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   705] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   704] <... futex resumed>)        = 0
[pid   706] <... futex resumed>)        = 1
[pid   705] write(3, "\x38\x00", 2 <unfinished ...>
[pid   704] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   703] <... futex resumed>)        = 0
[pid   706] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   705] <... write resumed>)        = 2
[pid   703] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   706] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   705] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   706] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   705] <... futex resumed>)        = 1
[pid   704] <... futex resumed>)        = 0
[pid   706] <... openat resumed>)       = 3
[pid   705] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   704] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   703] <... futex resumed>)        = 0
[pid   706] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   705] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   704] <... futex resumed>)        = 0
[pid   703] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   706] <... futex resumed>)        = 0
[pid   705] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   704] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   703] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   706] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   703] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   706] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   705] <... openat resumed>)       = 4
[pid   703] <... futex resumed>)        = 0
[pid   706] write(3, "\x38\x00", 2 <unfinished ...>
[pid   703] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   706] <... write resumed>)        = 2
[pid   705] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   706] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   705] <... futex resumed>)        = 1
[pid   704] <... futex resumed>)        = 0
[pid   706] <... futex resumed>)        = 0
[pid   705] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   704] exit_group(0 <unfinished ...>
[pid   703] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   706] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   705] <... futex resumed>)        = ?
[pid   704] <... exit_group resumed>)   = ?
[pid   705] +++ exited with 0 +++
[pid   704] +++ exited with 0 +++
[pid   703] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   706] <... futex resumed>)        = 0
[pid   703] <... futex resumed>)        = 1
[pid   706] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   703] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   706] <... openat resumed>)       = 4
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=704, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   706] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   706] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   703] <... futex resumed>)        = 0
[pid   703] exit_group(0)               = ?
[pid   706] <... futex resumed>)        = ?
[pid   706] +++ exited with 0 +++
[pid   703] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=703, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 707 attached
, child_tidptr=0x55557716c690) = 707
[pid   707] set_robust_list(0x55557716c6a0, 24) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   707] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   707] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   707] setpgid(0, 0ci2-android-6-12-rust/strace-static-x86_64: Process 708 attached
 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 708
[pid   708] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   707] <... setpgid resumed>)      = 0
[pid   708] <... set_robust_list resumed>) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   708] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   708] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   708] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   707] <... openat resumed>)       = 3
[pid   708] <... prctl resumed>)        = 0
[pid   708] setpgid(0, 0)               = 0
[pid   707] write(3, "1000", 4 <unfinished ...>
[pid   708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   707] <... write resumed>)        = 4
[pid   707] close(3 <unfinished ...>
[pid   708] <... openat resumed>)       = 3
[pid   707] <... close resumed>)        = 0
[pid   708] write(3, "1000", 4 <unfinished ...>
[pid   707] write(1, "executing program\n", 18 <unfinished ...>
[pid   708] <... write resumed>)        = 4
executing program
[pid   708] close(3 <unfinished ...>
[pid   707] <... write resumed>)        = 18
[pid   708] <... close resumed>)        = 0
[pid   707] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   707] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   707] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   707] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   708] write(1, "executing program\n", 18) = 18
[pid   707] <... mprotect resumed>)     = 0
executing program
[pid   708] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   707] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   708] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   707] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   708] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   707] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   708] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   707] <... clone3 resumed> => {parent_tid=[709]}, 88) = 709
ci2-android-6-12-rust/strace-static-x86_64: Process 709 attached
[pid   708] <... mmap resumed>)         = 0x7fb4de009000
[pid   709] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   708] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   707] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   708] <... mprotect resumed>)     = 0
[pid   707] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   707] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   707] <... futex resumed>)        = 0
[pid   709] <... set_robust_list resumed>) = 0
[pid   709] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   708] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   707] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   709] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   708] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   709] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   708] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 710 attached
 <unfinished ...>
[pid   709] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   709] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   708] <... clone3 resumed> => {parent_tid=[710]}, 88) = 710
[pid   709] <... futex resumed>)        = 1
[pid   708] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   709] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   708] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 711 attached
[pid   710] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   708] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   707] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   711] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   710] <... set_robust_list resumed>) = 0
[pid   708] <... futex resumed>)        = 0
[pid   707] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   711] <... set_robust_list resumed>) = 0
[pid   710] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   708] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   710] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   707] <... futex resumed>)        = 1
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 711
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   711] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   710] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   709] <... futex resumed>)        = 0
[pid   707] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 712 attached
 <unfinished ...>
[pid   710] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   709] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   710] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   710] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   708] <... futex resumed>)        = 0
[pid   708] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   709] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   712] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   711] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   710] <... futex resumed>)        = 0
[pid   708] <... futex resumed>)        = 1
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 712
[pid   710] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   708] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   711] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   710] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   710] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   708] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   712] <... set_robust_list resumed>) = 0
[pid   711] <... prctl resumed>)        = 0
[pid   710] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   709] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   708] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   712] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   711] setpgid(0, 0 <unfinished ...>
[pid   710] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   709] <... futex resumed>)        = 1
[pid   708] <... futex resumed>)        = 0
[pid   707] <... futex resumed>)        = 0
[pid   712] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   711] <... setpgid resumed>)      = 0
[pid   710] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   709] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   708] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   707] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   710] <... openat resumed>)       = 3
[pid   712] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   709] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   707] <... futex resumed>)        = 0
[pid   710] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   711] <... openat resumed>)       = 3
[pid   707] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   712] <... prctl resumed>)        = 0
[pid   710] <... futex resumed>)        = 1
[pid   709] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   708] <... futex resumed>)        = 0
[pid   712] setpgid(0, 0 <unfinished ...>
[pid   711] write(3, "1000", 4 <unfinished ...>
[pid   710] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   708] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   710] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   708] <... futex resumed>)        = 0
[pid   709] <... openat resumed>)       = 3
[pid   712] <... setpgid resumed>)      = 0
[pid   711] <... write resumed>)        = 4
[pid   710] write(3, "\x38\x00", 2 <unfinished ...>
[pid   709] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   708] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   711] close(3 <unfinished ...>
[pid   710] <... write resumed>)        = 2
[pid   709] <... futex resumed>)        = 1
[pid   707] <... futex resumed>)        = 0
executing program
[pid   710] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   709] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   707] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   710] <... futex resumed>)        = 1
[pid   711] <... close resumed>)        = 0
[pid   709] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   708] <... futex resumed>)        = 0
[pid   707] <... futex resumed>)        = 0
[pid   711] write(1, "executing program\n", 18 <unfinished ...>
[pid   710] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   709] write(3, "\x38\x00", 2 <unfinished ...>
[pid   708] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   707] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   712] <... openat resumed>)       = 3
[pid   711] <... write resumed>)        = 18
[pid   710] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   709] <... write resumed>)        = 2
[pid   708] <... futex resumed>)        = 0
[pid   711] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   710] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   709] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   708] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   710] <... openat resumed>)       = 4
[pid   712] write(3, "1000", 4 <unfinished ...>
[pid   711] <... futex resumed>)        = 0
[pid   709] <... futex resumed>)        = 1
[pid   707] <... futex resumed>)        = 0
[pid   712] <... write resumed>)        = 4
[pid   711] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   710] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   709] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   707] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   711] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   710] <... futex resumed>)        = 1
[pid   712] close(3 <unfinished ...>
[pid   709] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   708] <... futex resumed>)        = 0
[pid   707] <... futex resumed>)        = 0
[pid   712] <... close resumed>)        = 0
[pid   711] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   710] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   709] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   708] exit_group(0 <unfinished ...>
[pid   707] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   710] <... futex resumed>)        = ?
[pid   708] <... exit_group resumed>)   = ?
[pid   710] +++ exited with 0 +++
[pid   711] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   712] write(1, "executing program\n", 18 <unfinished ...>
[pid   709] <... openat resumed>)       = 4
[pid   712] <... write resumed>)        = 18
[pid   711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   709] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid   712] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   711] <... mmap resumed>)         = 0x7fb4de009000
[pid   709] <... futex resumed>)        = 1
[pid   708] +++ exited with 0 +++
[pid   707] <... futex resumed>)        = 0
[pid   712] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   711] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   709] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   707] exit_group(0 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=708, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   712] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   711] <... mprotect resumed>)     = 0
[pid   709] <... futex resumed>)        = ?
[pid   707] <... exit_group resumed>)   = ?
[pid   712] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   709] +++ exited with 0 +++
[pid   712] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   711] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   711] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   707] +++ exited with 0 +++
[pid   712] <... mmap resumed>)         = 0x7fb4de009000
[pid   711] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=707, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   712] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 713 attached
 <unfinished ...>
[pid   712] <... mprotect resumed>)     = 0
[pid   712] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   711] <... clone3 resumed> => {parent_tid=[713]}, 88) = 713
[pid   713] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   712] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   713] <... set_robust_list resumed>) = 0
[pid   711] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   713] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   712] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   713] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   711] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 714 attached
[pid   713] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   711] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   713] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   711] <... futex resumed>)        = 0
[pid   712] <... clone3 resumed> => {parent_tid=[714]}, 88) = 714
[pid   714] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   713] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   712] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   711] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   714] <... set_robust_list resumed>) = 0
[pid   713] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   712] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   714] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   713] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   712] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   714] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   713] <... futex resumed>)        = 1
[pid   712] <... futex resumed>)        = 0
[pid   711] <... futex resumed>)        = 0
[pid   714] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   713] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   712] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   711] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   714] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   711] <... futex resumed>)        = 0
[pid   713] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   714] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   711] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   713] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   714] <... futex resumed>)        = 1
[pid   713] <... futex resumed>)        = 0
[pid   712] <... futex resumed>)        = 0
[pid   711] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   714] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   713] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   711] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   713] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   711] <... futex resumed>)        = 0
[pid   713] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   711] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   713] <... openat resumed>)       = 3
[pid   712] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   713] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   712] <... futex resumed>)        = 1
[pid   714] <... futex resumed>)        = 0
[pid   713] <... futex resumed>)        = 1
[pid   712] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   711] <... futex resumed>)        = 0
[pid   714] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   713] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   711] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   714] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   713] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   711] <... futex resumed>)        = 0
[pid   714] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   713] write(3, "\x38\x00", 2 <unfinished ...>
[pid   711] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   714] <... futex resumed>)        = 1
[pid   713] <... write resumed>)        = 2
[pid   712] <... futex resumed>)        = 0
[pid   714] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   713] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   712] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   714] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   713] <... futex resumed>)        = 1
[pid   712] <... futex resumed>)        = 0
[pid   711] <... futex resumed>)        = 0
[pid   714] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   713] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   712] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   714] <... openat resumed>)       = 3
[pid   713] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   711] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   714] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   713] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   711] <... futex resumed>)        = 0
[pid   714] <... futex resumed>)        = 1
[pid   712] <... futex resumed>)        = 0
[pid   714] write(3, "\x38\x00", 2 <unfinished ...>
[pid   713] <... openat resumed>)       = 4
[pid   712] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   711] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   714] <... write resumed>)        = 2
[pid   713] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   712] <... futex resumed>)        = 0
[pid   714] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   713] <... futex resumed>)        = 0
[pid   712] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   711] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   714] <... futex resumed>)        = 0
[pid   713] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   712] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   714] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   712] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   711] exit_group(0 <unfinished ...>
[pid   714] <... openat resumed>)       = 4
[pid   712] <... futex resumed>)        = 0
[pid   714] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   713] <... futex resumed>)        = ?
[pid   712] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   711] <... exit_group resumed>)   = ?
[pid   315] <... restart_syscall resumed>) = 0
[pid   714] <... futex resumed>)        = 0
[pid   713] +++ exited with 0 +++
[pid   712] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   712] exit_group(0)               = ?
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   711] +++ exited with 0 +++
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=711, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   714] +++ exited with 0 +++
[pid   712] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 715 attached
[pid   715] set_robust_list(0x55557716c6a0, 24) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 715
[pid   715] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=712, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   715] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   715] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   715] setpgid(0, 0 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   715] <... setpgid resumed>)      = 0
[pid   715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   715] <... openat resumed>)       = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 716 attached
[pid   715] write(3, "1000", 4 <unfinished ...>
[pid   716] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   715] <... write resumed>)        = 4
[pid   715] close(3 <unfinished ...>
[pid   716] <... set_robust_list resumed>) = 0
[pid   715] <... close resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 716
[pid   715] write(1, "executing program\n", 18 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   716] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   715] <... write resumed>)        = 18
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid   715] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   715] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   715] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   715] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   715] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   715] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   716] setpgid(0, 0 <unfinished ...>
[pid   715] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   716] <... setpgid resumed>)      = 0
[pid   715] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 717 attached
 <unfinished ...>
[pid   717] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   717] <... set_robust_list resumed>) = 0
[pid   715] <... clone3 resumed> => {parent_tid=[717]}, 88) = 717
[pid   717] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   716] <... openat resumed>)       = 3
[pid   715] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   716] write(3, "1000", 4 <unfinished ...>
[pid   717] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   716] <... write resumed>)        = 4
[pid   715] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   717] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   716] close(3 <unfinished ...>
[pid   715] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   717] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   715] <... futex resumed>)        = 0
[pid   717] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   716] <... close resumed>)        = 0
[pid   715] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   717] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   716] write(1, "executing program\n", 18 <unfinished ...>
[pid   717] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   715] <... futex resumed>)        = 0
[pid   717] <... futex resumed>)        = 1
executing program
[pid   715] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   717] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   716] <... write resumed>)        = 18
[pid   715] <... futex resumed>)        = 0
[pid   717] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   715] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   717] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   716] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   717] <... futex resumed>)        = 1
[pid   716] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   715] <... futex resumed>)        = 0
[pid   717] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   715] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   717] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   715] <... futex resumed>)        = 0
[pid   717] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   715] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   717] <... openat resumed>)       = 3
[pid   717] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   717] <... futex resumed>)        = 1
[pid   715] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   717] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   716] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   715] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 718 attached
 <unfinished ...>
[pid   717] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   716] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   716] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   718] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   716] <... mmap resumed>)         = 0x7fb4de009000
[pid   715] <... futex resumed>)        = 0
[pid   718] <... set_robust_list resumed>) = 0
[pid   717] write(3, "\x38\x00", 2 <unfinished ...>
[pid   716] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   715] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 718
[pid   717] <... write resumed>)        = 2
[pid   718] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   717] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   716] <... mprotect resumed>)     = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   717] <... futex resumed>)        = 1
[pid   715] <... futex resumed>)        = 0
[pid   718] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   717] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   716] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   715] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   717] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   716] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   715] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   718] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   717] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   716] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   715] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 719 attached
 <unfinished ...>
[pid   718] <... prctl resumed>)        = 0
[pid   717] <... openat resumed>)       = 4
[pid   718] setpgid(0, 0 <unfinished ...>
[pid   716] <... clone3 resumed> => {parent_tid=[720]}, 88) = 720
[pid   719] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   716] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   719] <... set_robust_list resumed>) = 0
[pid   716] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 720 attached
[pid   717] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   716] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   720] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   719] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   718] <... setpgid resumed>)      = 0
[pid   717] <... futex resumed>)        = 1
[pid   716] <... futex resumed>)        = 0
[pid   715] <... futex resumed>)        = 0
[pid   720] <... set_robust_list resumed>) = 0
[pid   717] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   716] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   715] exit_group(0 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 719
[pid   720] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   717] <... futex resumed>)        = ?
[pid   715] <... exit_group resumed>)   = ?
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   720] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   719] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   718] <... openat resumed>)       = 3
[pid   717] +++ exited with 0 +++
[pid   715] +++ exited with 0 +++
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   720] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid   719] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   718] write(3, "1000", 4 <unfinished ...>
[pid   720] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   716] <... futex resumed>)        = 0
[pid   720] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   716] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   720] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   716] <... futex resumed>)        = 0
[pid   720] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   716] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   720] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=715, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   720] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   719] <... prctl resumed>)        = 0
[pid   718] <... write resumed>)        = 4
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   720] <... futex resumed>)        = 1
[pid   718] close(3 <unfinished ...>
[pid   716] <... futex resumed>)        = 0
[pid   719] setpgid(0, 0 <unfinished ...>
[pid   720] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   718] <... close resumed>)        = 0
[pid   716] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   720] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   719] <... setpgid resumed>)      = 0
[pid   718] write(1, "executing program\n", 18 <unfinished ...>
[pid   716] <... futex resumed>)        = 0
[pid   720] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
executing program
[pid   716] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   720] <... openat resumed>)       = 3
[pid   719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   718] <... write resumed>)        = 18
[pid   720] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   718] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   720] <... futex resumed>)        = 1
[pid   716] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   720] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   719] <... openat resumed>)       = 3
[pid   718] <... futex resumed>)        = 0
[pid   716] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   720] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   719] write(3, "1000", 4 <unfinished ...>
[pid   718] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   716] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   720] write(3, "\x38\x00", 2 <unfinished ...>
[pid   719] <... write resumed>)        = 4
[pid   718] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   716] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   720] <... write resumed>)        = 2
[pid   720] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   716] <... futex resumed>)        = 0
[pid   720] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   716] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   720] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   716] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 721 attached
[pid   720] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   719] close(3 <unfinished ...>
[pid   718] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   716] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   721] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   720] <... openat resumed>)       = 4
[pid   719] <... close resumed>)        = 0
[pid   718] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   721] <... set_robust_list resumed>) = 0
[pid   721] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   719] write(1, "executing program\n", 18 <unfinished ...>
[pid   718] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 721
[pid   719] <... write resumed>)        = 18
[pid   721] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   720] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   718] <... mmap resumed>)         = 0x7fb4de009000
executing program
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   721] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   720] <... futex resumed>)        = 1
[pid   719] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   716] <... futex resumed>)        = 0
[pid   721] <... prctl resumed>)        = 0
[pid   720] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   716] exit_group(0 <unfinished ...>
[pid   721] setpgid(0, 0 <unfinished ...>
[pid   720] <... futex resumed>)        = ?
[pid   716] <... exit_group resumed>)   = ?
[pid   721] <... setpgid resumed>)      = 0
[pid   720] +++ exited with 0 +++
[pid   719] <... futex resumed>)        = 0
[pid   718] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   716] +++ exited with 0 +++
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   719] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   718] <... mprotect resumed>)     = 0
[pid   719] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=716, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   719] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   719] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   721] <... openat resumed>)       = 3
[pid   719] <... mmap resumed>)         = 0x7fb4de009000
[pid   718] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   721] write(3, "1000", 4)         = 4
[pid   721] close(3 <unfinished ...>
[pid   719] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   718] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   721] <... close resumed>)        = 0
[pid   721] write(1, "executing program\n", 18 <unfinished ...>
[pid   719] <... mprotect resumed>)     = 0
[pid   718] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   721] <... write resumed>)        = 18
[pid   721] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   721] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}ci2-android-6-12-rust/strace-static-x86_64: Process 722 attached
executing program
, NULL, 8) = 0
[pid   719] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   718] <... clone3 resumed> => {parent_tid=[722]}, 88) = 722
[pid   722] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   721] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   719] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   718] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   722] <... set_robust_list resumed>) = 0
[pid   721] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   719] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   718] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   722] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   721] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   718] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   722] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   721] <... mmap resumed>)         = 0x7fb4de009000
[pid   718] <... futex resumed>)        = 0
[pid   722] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   721] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 723 attached
[pid   722] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   723] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   722] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   721] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   718] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   723] <... set_robust_list resumed>) = 0
[pid   722] <... futex resumed>)        = 0
[pid   721] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   718] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   723] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   722] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   721] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   718] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 724 attached
 <unfinished ...>
[pid   723] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   722] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   719] <... clone3 resumed> => {parent_tid=[723]}, 88) = 723
[pid   718] <... futex resumed>)        = 0
[pid   724] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   723] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   722] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   718] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   724] <... set_robust_list resumed>) = 0
[pid   722] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   721] <... clone3 resumed> => {parent_tid=[724]}, 88) = 724
[pid   719] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   724] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   722] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   721] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   719] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   724] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   724] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   722] <... futex resumed>)        = 1
[pid   722] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   721] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   721] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   724] <... futex resumed>)        = 0
[pid   721] <... futex resumed>)        = 1
[pid   724] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   721] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   719] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   718] <... futex resumed>)        = 0
[pid   724] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   723] <... futex resumed>)        = 0
[pid   719] <... futex resumed>)        = 1
[pid   718] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   724] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   723] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   719] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   724] <... futex resumed>)        = 1
[pid   723] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   722] <... futex resumed>)        = 0
[pid   721] <... futex resumed>)        = 0
[pid   718] <... futex resumed>)        = 1
[pid   724] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   723] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   722] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   721] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   718] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   724] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   723] <... futex resumed>)        = 1
[pid   722] <... openat resumed>)       = 3
[pid   721] <... futex resumed>)        = 0
[pid   719] <... futex resumed>)        = 0
[pid   724] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   719] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   724] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   723] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   722] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   721] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   719] <... futex resumed>)        = 0
[pid   724] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   723] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   722] <... futex resumed>)        = 1
[pid   721] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   719] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   718] <... futex resumed>)        = 0
[pid   724] <... futex resumed>)        = 0
[pid   718] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   724] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   723] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   722] write(3, "\x38\x00", 2 <unfinished ...>
[pid   721] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   718] <... futex resumed>)        = 0
[pid   724] <... openat resumed>)       = 3
[pid   723] <... futex resumed>)        = 1
[pid   722] <... write resumed>)        = 2
[pid   721] <... futex resumed>)        = 0
[pid   719] <... futex resumed>)        = 0
[pid   724] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   723] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   722] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   721] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   719] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   718] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   724] <... futex resumed>)        = 0
[pid   723] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   722] <... futex resumed>)        = 0
[pid   721] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   719] <... futex resumed>)        = 0
[pid   718] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   724] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   723] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   722] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   721] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   719] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   718] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   724] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   723] <... openat resumed>)       = 3
[pid   722] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   721] <... futex resumed>)        = 0
[pid   718] <... futex resumed>)        = 0
[pid   724] write(3, "\x38\x00", 2 <unfinished ...>
[pid   723] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   722] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   721] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   718] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   724] <... write resumed>)        = 2
[pid   723] <... futex resumed>)        = 1
[pid   722] <... openat resumed>)       = 4
[pid   719] <... futex resumed>)        = 0
[pid   724] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   723] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   722] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   719] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   724] <... futex resumed>)        = 1
[pid   723] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   722] <... futex resumed>)        = 1
[pid   721] <... futex resumed>)        = 0
[pid   724] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   723] write(3, "\x38\x00", 2 <unfinished ...>
[pid   722] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   721] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   719] <... futex resumed>)        = 0
[pid   718] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   724] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   723] <... write resumed>)        = 2
[pid   721] <... futex resumed>)        = 0
[pid   719] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   724] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   723] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   721] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   724] <... openat resumed>)       = 4
[pid   723] <... futex resumed>)        = 0
[pid   723] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   724] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   721] <... futex resumed>)        = 0
[pid   724] <... futex resumed>)        = 1
[pid   721] exit_group(0 <unfinished ...>
[pid   724] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid   721] <... exit_group resumed>)   = ?
[pid   724] +++ exited with 0 +++
[pid   719] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   719] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   718] exit_group(0 <unfinished ...>
[pid   723] <... futex resumed>)        = 0
[pid   722] <... futex resumed>)        = ?
[pid   721] +++ exited with 0 +++
[pid   719] <... futex resumed>)        = 1
[pid   718] <... exit_group resumed>)   = ?
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   723] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   722] +++ exited with 0 +++
[pid   719] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   723] <... openat resumed>)       = 4
[pid   723] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   723] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   718] +++ exited with 0 +++
[pid   719] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=721, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=718, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   719] exit_group(0 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 725 attached
 <unfinished ...>
[pid   719] <... exit_group resumed>)   = ?
[pid   315] <... restart_syscall resumed>) = 0
[pid   723] <... futex resumed>)        = ?
[pid   723] +++ exited with 0 +++
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 725
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   725] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   719] +++ exited with 0 +++
[pid   725] <... set_robust_list resumed>) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=719, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   725] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 726 attached
, NULL, 8) = 0
[pid   725] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 726
[pid   726] set_robust_list(0x55557716c6a0, 24) = 0
[pid   725] <... prctl resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   726] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   726] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   725] setpgid(0, 0)               = 0
[pid   725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   726] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   725] <... openat resumed>)       = 3
[pid   725] write(3, "1000", 4)         = 4
[pid   725] close(3 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   725] <... close resumed>)        = 0
[pid   726] <... prctl resumed>)        = 0
[pid   725] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   726] setpgid(0, 0 <unfinished ...>
[pid   725] <... write resumed>)        = 18
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   726] <... setpgid resumed>)      = 0
[pid   725] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   725] <... futex resumed>)        = 0
[pid   725] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   725] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   725] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   725] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   725] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 727
ci2-android-6-12-rust/strace-static-x86_64: Process 727 attached
[pid   726] <... openat resumed>)       = 3
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   726] write(3, "1000", 4 <unfinished ...>
[pid   727] set_robust_list(0x55557716c6a0, 24) = 0
[pid   726] <... write resumed>)        = 4
[pid   725] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   727] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   726] close(3 <unfinished ...>
[pid   725] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   727] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   726] <... close resumed>)        = 0
[pid   725] <... clone3 resumed> => {parent_tid=[728]}, 88) = 728
[pid   727] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   726] write(1, "executing program\n", 18 <unfinished ...>
[pid   725] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 728 attached
 <unfinished ...>
[pid   727] <... prctl resumed>)        = 0
[pid   726] <... write resumed>)        = 18
[pid   725] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid   727] setpgid(0, 0 <unfinished ...>
[pid   726] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   725] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   728] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   727] <... setpgid resumed>)      = 0
[pid   728] <... set_robust_list resumed>) = 0
[pid   726] <... futex resumed>)        = 0
[pid   725] <... futex resumed>)        = 0
[pid   726] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   725] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   728] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   726] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   726] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   728] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   727] <... openat resumed>)       = 3
[pid   726] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   728] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   727] write(3, "1000", 4 <unfinished ...>
[pid   726] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   728] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   727] <... write resumed>)        = 4
[pid   726] <... mmap resumed>)         = 0x7fb4de009000
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   728] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   727] close(3 <unfinished ...>
[pid   726] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   728] <... futex resumed>)        = 1
[pid   727] <... close resumed>)        = 0
[pid   726] <... mprotect resumed>)     = 0
[pid   725] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 729 attached
[pid   728] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   727] write(1, "executing program\n", 18 <unfinished ...>
[pid   726] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   725] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   726] <... rt_sigprocmask resumed>, [], 8) = 0
executing program
[pid   729] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   728] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   727] <... write resumed>)        = 18
[pid   726] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   725] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 730 attached
[pid   729] <... set_robust_list resumed>) = 0
[pid   726] <... clone3 resumed> => {parent_tid=[730]}, 88) = 730
[pid   725] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   730] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   727] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   729] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   730] <... set_robust_list resumed>) = 0
[pid   728] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   726] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 729
[pid   730] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   729] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   727] <... futex resumed>)        = 0
[pid   726] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   730] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   730] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   728] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   728] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   727] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   725] <... futex resumed>)        = 0
[pid   728] <... futex resumed>)        = 1
[pid   725] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   728] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   725] <... futex resumed>)        = 0
[pid   729] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   728] <... openat resumed>)       = 3
[pid   727] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   726] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   725] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   730] <... futex resumed>)        = 0
[pid   729] <... prctl resumed>)        = 0
[pid   728] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   727] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   726] <... futex resumed>)        = 1
[pid   725] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   730] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   729] setpgid(0, 0 <unfinished ...>
[pid   728] <... futex resumed>)        = 0
[pid   727] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   726] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   725] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   730] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   729] <... setpgid resumed>)      = 0
[pid   728] write(3, "\x38\x00", 2 <unfinished ...>
[pid   727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   725] <... futex resumed>)        = 0
[pid   730] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   728] <... write resumed>)        = 2
[pid   725] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   730] <... futex resumed>)        = 1
[pid   729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   728] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   727] <... mmap resumed>)         = 0x7fb4de009000
[pid   726] <... futex resumed>)        = 0
[pid   725] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   730] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   728] <... futex resumed>)        = 0
[pid   726] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   725] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   730] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   728] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   727] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   725] <... futex resumed>)        = 0
[pid   726] <... futex resumed>)        = 0
[pid   730] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   729] <... openat resumed>)       = 3
[pid   728] <... openat resumed>)       = 4
[pid   727] <... mprotect resumed>)     = 0
[pid   726] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   725] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   730] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   729] write(3, "1000", 4)         = 4
[pid   728] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   730] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   729] close(3 <unfinished ...>
[pid   728] <... futex resumed>)        = 1
[pid   725] <... futex resumed>)        = 0
[pid   730] <... futex resumed>)        = 1
[pid   729] <... close resumed>)        = 0
[pid   728] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   726] <... futex resumed>)        = 0
[pid   725] exit_group(0 <unfinished ...>
[pid   729] write(1, "executing program\n", 18 <unfinished ...>
[pid   726] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   729] <... write resumed>)        = 18
[pid   727] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   730] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   729] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   728] <... futex resumed>)        = ?
executing program
[pid   727] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   726] <... futex resumed>)        = 0
[pid   725] <... exit_group resumed>)   = ?
[pid   730] <... openat resumed>)       = 3
[pid   729] <... futex resumed>)        = 0
[pid   728] +++ exited with 0 +++
[pid   727] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   726] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   725] +++ exited with 0 +++
[pid   730] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   729] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   726] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   730] <... futex resumed>)        = 0
[pid   729] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   726] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   730] write(3, "\x38\x00", 2 <unfinished ...>
[pid   729] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   726] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 731 attached
[pid   730] <... write resumed>)        = 2
[pid   729] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   726] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   731] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   730] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   729] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   727] <... clone3 resumed> => {parent_tid=[731]}, 88) = 731
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=725, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   731] <... set_robust_list resumed>) = 0
[pid   730] <... futex resumed>)        = 0
[pid   729] <... mmap resumed>)         = 0x7fb4de009000
[pid   727] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   726] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   729] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   727] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   726] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   731] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   730] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   729] <... mprotect resumed>)     = 0
[pid   731] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   730] <... openat resumed>)       = 4
[pid   727] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   726] <... futex resumed>)        = 0
[pid   731] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   730] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   731] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   730] <... futex resumed>)        = 0
[pid   731] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   730] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   731] <... futex resumed>)        = 0
[pid   731] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   729] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   729] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 732 attached
 <unfinished ...>
[pid   727] <... futex resumed>)        = 1
[pid   726] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   727] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   732] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   731] <... futex resumed>)        = 0
[pid   729] <... clone3 resumed> => {parent_tid=[732]}, 88) = 732
[pid   727] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   726] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   732] <... set_robust_list resumed>) = 0
[pid   731] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   729] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   727] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   732] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   731] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   729] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   727] <... futex resumed>)        = 0
[pid   726] exit_group(0 <unfinished ...>
[pid   732] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   731] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   730] <... futex resumed>)        = ?
[pid   729] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   727] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   726] <... exit_group resumed>)   = ?
[pid   732] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   731] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   730] +++ exited with 0 +++
[pid   729] <... futex resumed>)        = 0
[pid   729] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   732] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   731] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   732] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   731] <... futex resumed>)        = 1
[pid   727] <... futex resumed>)        = 0
[pid   732] <... futex resumed>)        = 1
[pid   729] <... futex resumed>)        = 0
[pid   727] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   732] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   731] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   729] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   727] <... futex resumed>)        = 0
[pid   732] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   731] <... openat resumed>)       = 3
[pid   729] <... futex resumed>)        = 0
[pid   729] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   732] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   731] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   732] <... futex resumed>)        = 1
[pid   731] <... futex resumed>)        = 0
[pid   729] <... futex resumed>)        = 0
[pid   727] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   732] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   731] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   729] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   727] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   726] +++ exited with 0 +++
[pid   727] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=726, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   727] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   732] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   731] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   729] <... futex resumed>)        = 0
[pid   732] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   731] write(3, "\x38\x00", 2 <unfinished ...>
[pid   729] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   732] <... openat resumed>)       = 3
[pid   731] <... write resumed>)        = 2
[pid   732] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   731] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   732] <... futex resumed>)        = 1
[pid   731] <... futex resumed>)        = 1
[pid   729] <... futex resumed>)        = 0
[pid   732] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   731] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   729] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   727] <... futex resumed>)        = 0
[pid   732] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   729] <... futex resumed>)        = 0
[pid   727] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   732] write(3, "\x38\x00", 2 <unfinished ...>
[pid   729] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   732] <... write resumed>)        = 2
[pid   731] <... futex resumed>)        = 0
[pid   727] <... futex resumed>)        = 1
[pid   732] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   731] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   727] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   732] <... futex resumed>)        = 1
[pid   731] <... openat resumed>)       = 4
[pid   729] <... futex resumed>)        = 0
[pid   732] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   729] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   732] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   731] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   729] <... futex resumed>)        = 0
[pid   732] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   731] <... futex resumed>)        = 1
[pid   729] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   727] <... futex resumed>)        = 0
[pid   732] <... openat resumed>)       = 4
[pid   731] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   732] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   729] <... futex resumed>)        = 0
[pid   727] exit_group(0 <unfinished ...>
[pid   729] exit_group(0 <unfinished ...>
[pid   727] <... exit_group resumed>)   = ?
[pid   732] <... futex resumed>)        = ?
[pid   731] <... futex resumed>)        = ?
[pid   729] <... exit_group resumed>)   = ?
[pid   732] +++ exited with 0 +++
[pid   731] +++ exited with 0 +++
[pid   729] +++ exited with 0 +++
[pid   727] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=727, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=729, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557716c690) = 733
ci2-android-6-12-rust/strace-static-x86_64: Process 733 attached
[pid   315] <... restart_syscall resumed>) = 0
[pid   733] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   733] <... set_robust_list resumed>) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   733] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 734 attached
[pid   734] set_robust_list(0x55557716c6a0, 24) = 0
[pid   734] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   733] setpgid(0, 0)               = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 734
[pid   734] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   734] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   733] <... openat resumed>)       = 3
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   734] <... prctl resumed>)        = 0
[pid   734] setpgid(0, 0)               = 0
[pid   733] write(3, "1000", 4 <unfinished ...>
[pid   734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   733] <... write resumed>)        = 4
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   734] <... openat resumed>)       = 3
[pid   733] close(3)                    = 0
[pid   734] write(3, "1000", 4)         = 4
[pid   733] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   734] close(3 <unfinished ...>
[pid   733] <... write resumed>)        = 18
[pid   734] <... close resumed>)        = 0
[pid   733] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   734] write(1, "executing program\n", 18) = 18
[pid   733] <... futex resumed>)        = 0
[pid   734] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid   733] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   734] <... futex resumed>)        = 0
[pid   733] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   734] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   733] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   734] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   734] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   733] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   734] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   734] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   733] <... mmap resumed>)         = 0x7fb4de009000
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   734] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   734] <... mprotect resumed>)     = 0
[pid   733] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 735 attached
 <unfinished ...>
[pid   734] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   733] <... mprotect resumed>)     = 0
[pid   734] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   733] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   735] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   734] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   735] <... set_robust_list resumed>) = 0
[pid   733] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   733] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 736 attached
 <unfinished ...>
[pid   735] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   734] <... clone3 resumed> => {parent_tid=[736]}, 88) = 736
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 735
[pid   734] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   733] <... clone3 resumed> => {parent_tid=[737]}, 88) = 737
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   734] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   733] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   734] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   733] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   734] <... futex resumed>)        = 0
[pid   733] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   734] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   733] <... futex resumed>)        = 0
[pid   733] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 737 attached
 <unfinished ...>
[pid   737] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   737] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   737] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   735] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   736] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   737] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   737] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   737] <... futex resumed>)        = 1
[pid   736] <... set_robust_list resumed>) = 0
[pid   735] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   736] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   735] <... prctl resumed>)        = 0
[pid   736] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   735] setpgid(0, 0 <unfinished ...>
[pid   737] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   736] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   735] <... setpgid resumed>)      = 0
[pid   733] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   736] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   733] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   737] <... futex resumed>)        = 0
[pid   736] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   733] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 738 attached
[pid   737] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   736] <... futex resumed>)        = 1
[pid   734] <... futex resumed>)        = 0
[pid   733] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   736] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   735] <... openat resumed>)       = 3
[pid   737] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   735] write(3, "1000", 4 <unfinished ...>
[pid   737] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   735] <... write resumed>)        = 4
[pid   734] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   738] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   737] <... futex resumed>)        = 1
[pid   736] <... futex resumed>)        = 0
[pid   735] close(3 <unfinished ...>
[pid   734] <... futex resumed>)        = 1
[pid   733] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 738
[pid   738] <... set_robust_list resumed>) = 0
[pid   737] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   734] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   733] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   738] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   737] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   736] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   735] <... close resumed>)        = 0
[pid   733] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   738] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   737] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   733] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   736] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   738] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   737] <... openat resumed>)       = 3
[pid   736] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   735] write(1, "executing program\n", 18 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   738] <... prctl resumed>)        = 0
[pid   737] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   736] <... futex resumed>)        = 1
[pid   735] <... write resumed>)        = 18
[pid   734] <... futex resumed>)        = 0
executing program
[pid   738] setpgid(0, 0 <unfinished ...>
[pid   737] <... futex resumed>)        = 1
[pid   736] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   735] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   734] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   733] <... futex resumed>)        = 0
[pid   738] <... setpgid resumed>)      = 0
[pid   737] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   736] <... openat resumed>)       = 3
[pid   735] <... futex resumed>)        = 0
[pid   734] <... futex resumed>)        = 0
[pid   733] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   737] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   736] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   735] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   734] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   733] <... futex resumed>)        = 0
[pid   738] <... openat resumed>)       = 3
[pid   737] write(3, "\x38\x00", 2 <unfinished ...>
[pid   736] <... futex resumed>)        = 0
[pid   735] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   734] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   733] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   738] write(3, "1000", 4 <unfinished ...>
[pid   737] <... write resumed>)        = 2
[pid   736] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   735] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   734] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   737] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   734] <... futex resumed>)        = 0
[pid   737] <... futex resumed>)        = 1
[pid   734] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   733] <... futex resumed>)        = 0
[pid   737] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   733] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   737] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   736] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   735] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   733] <... futex resumed>)        = 0
[pid   738] <... write resumed>)        = 4
[pid   737] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   736] write(3, "\x38\x00", 2 <unfinished ...>
[pid   735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   733] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   738] close(3 <unfinished ...>
[pid   737] <... openat resumed>)       = 4
[pid   736] <... write resumed>)        = 2
[pid   735] <... mmap resumed>)         = 0x7fb4de009000
[pid   738] <... close resumed>)        = 0
[pid   736] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   735] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   738] write(1, "executing program\n", 18 <unfinished ...>
[pid   736] <... futex resumed>)        = 1
[pid   738] <... write resumed>)        = 18
[pid   736] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   735] <... mprotect resumed>)     = 0
[pid   738] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid   737] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   735] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   734] <... futex resumed>)        = 0
[pid   738] <... futex resumed>)        = 0
[pid   737] <... futex resumed>)        = 1
[pid   735] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   734] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   733] <... futex resumed>)        = 0
[pid   738] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   737] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   736] <... futex resumed>)        = 0
[pid   735] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   734] <... futex resumed>)        = 1
[pid   733] exit_group(0 <unfinished ...>
[pid   737] <... futex resumed>)        = ?
[pid   734] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   733] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 739 attached
[pid   738] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   737] +++ exited with 0 +++
[pid   736] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   733] +++ exited with 0 +++
[pid   739] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   738] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=733, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   736] <... openat resumed>)       = 4
[pid   735] <... clone3 resumed> => {parent_tid=[739]}, 88) = 739
[pid   739] <... set_robust_list resumed>) = 0
[pid   738] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   735] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   739] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   736] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   739] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   735] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   736] <... futex resumed>)        = 1
[pid   734] <... futex resumed>)        = 0
[pid   735] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   739] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   738] <... mmap resumed>)         = 0x7fb4de009000
[pid   736] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   734] exit_group(0 <unfinished ...>
[pid   739] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   735] <... futex resumed>)        = 0
[pid   734] <... exit_group resumed>)   = ?
[pid   739] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   738] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   736] <... futex resumed>)        = ?
[pid   735] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   739] <... futex resumed>)        = 0
[pid   739] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   738] <... mprotect resumed>)     = 0
[pid   735] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   735] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   739] <... futex resumed>)        = 0
[pid   735] <... futex resumed>)        = 1
[pid   739] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   739] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   736] +++ exited with 0 +++
[pid   734] +++ exited with 0 +++
[pid   738] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   735] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=734, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   738] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   735] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   738] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   735] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 740 attached
 <unfinished ...>
[pid   739] <... futex resumed>)        = 0
[pid   735] <... futex resumed>)        = 0
[pid   739] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   735] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   740] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   739] <... openat resumed>)       = 3
[pid   738] <... clone3 resumed> => {parent_tid=[740]}, 88) = 740
[pid   739] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   739] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   735] <... futex resumed>)        = 0
[pid   735] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   739] <... futex resumed>)        = 0
[pid   740] <... set_robust_list resumed>) = 0
[pid   739] write(3, "\x38\x00", 2 <unfinished ...>
[pid   738] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   735] <... futex resumed>)        = 1
[pid   740] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   739] <... write resumed>)        = 2
[pid   738] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   735] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   740] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   739] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   738] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   735] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   739] <... futex resumed>)        = 0
[pid   739] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   735] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   740] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   739] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   738] <... futex resumed>)        = 0
[pid   735] <... futex resumed>)        = 0
[pid   740] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   739] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   738] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   740] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   739] <... openat resumed>)       = 4
[pid   738] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   735] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   740] <... futex resumed>)        = 0
[pid   738] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   740] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   738] <... futex resumed>)        = 0
[pid   739] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   735] <... futex resumed>)        = 0
[pid   740] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   739] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   738] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   735] exit_group(0 <unfinished ...>
[pid   739] <... futex resumed>)        = ?
[pid   735] <... exit_group resumed>)   = ?
[pid   740] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   739] +++ exited with 0 +++
[pid   735] +++ exited with 0 +++
[pid   740] <... futex resumed>)        = 1
[pid   738] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=735, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   740] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   738] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   740] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   738] <... futex resumed>)        = 0
[pid   740] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   738] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   740] <... openat resumed>)       = 3
[pid   740] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   738] <... futex resumed>)        = 0
[pid   740] write(3, "\x38\x00", 2 <unfinished ...>
[pid   738] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   740] <... write resumed>)        = 2
[pid   738] <... futex resumed>)        = 0
[pid   740] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   738] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   740] <... futex resumed>)        = 0
[pid   740] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   738] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   738] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   740] <... futex resumed>)        = 0
[pid   738] <... futex resumed>)        = 1
[pid   740] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   738] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   740] <... openat resumed>)       = 4
[pid   740] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   738] <... futex resumed>)        = 0
[pid   738] exit_group(0 <unfinished ...>
[pid   740] <... futex resumed>)        = ?
[pid   313] <... restart_syscall resumed>) = 0
[pid   740] +++ exited with 0 +++
[pid   738] <... exit_group resumed>)   = ?
[pid   738] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=738, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557716c690) = 741
ci2-android-6-12-rust/strace-static-x86_64: Process 741 attached
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   741] set_robust_list(0x55557716c6a0, 24) = 0
[pid   741] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   741] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   741] setpgid(0, 0)               = 0
[pid   741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   741] write(3, "1000", 4)         = 4
[pid   741] close(3)                    = 0
executing program
[pid   741] write(1, "executing program\n", 18) = 18
[pid   741] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   741] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   741] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   741] <... mmap resumed>)         = 0x7fb4de009000
[pid   741] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   741] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   741] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 742 attached
 <unfinished ...>
[pid   742] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   741] <... clone3 resumed> => {parent_tid=[742]}, 88) = 742
[pid   742] <... set_robust_list resumed>) = 0
[pid   741] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   742] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   741] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   742] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   741] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   742] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   741] <... futex resumed>)        = 0
[pid   741] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   742] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   742] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   741] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   742] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   741] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   742] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   741] <... futex resumed>)        = 0
[pid   742] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   741] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   742] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   741] <... futex resumed>)        = 0
[pid   742] <... futex resumed>)        = 1
[pid   741] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   742] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   741] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 743 attached
[pid   742] <... openat resumed>)       = 3
[pid   741] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   742] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 743
[pid   742] <... futex resumed>)        = 1
[pid   742] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   741] <... futex resumed>)        = 0
[pid   743] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   741] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   743] <... set_robust_list resumed>) = 0
[pid   742] <... futex resumed>)        = 0
[pid   741] <... futex resumed>)        = 1
[pid   743] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   742] write(3, "\x38\x00", 2 <unfinished ...>
[pid   741] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   743] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   742] <... write resumed>)        = 2
[pid   743] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   742] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   742] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   741] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   741] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   743] <... prctl resumed>)        = 0
[pid   742] <... futex resumed>)        = 0
[pid   741] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 744 attached
[pid   743] setpgid(0, 0 <unfinished ...>
[pid   742] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   741] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   744] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   743] <... setpgid resumed>)      = 0
[pid   742] <... openat resumed>)       = 4
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 744
[pid   744] <... set_robust_list resumed>) = 0
[pid   743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   742] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   741] <... futex resumed>)        = 0
[pid   742] <... futex resumed>)        = 1
[pid   741] exit_group(0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   744] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   743] <... openat resumed>)       = 3
[pid   741] <... exit_group resumed>)   = ?
[pid   744] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   743] write(3, "1000", 4 <unfinished ...>
[pid   742] +++ exited with 0 +++
[pid   741] +++ exited with 0 +++
[pid   743] <... write resumed>)        = 4
[pid   743] close(3)                    = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=741, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   743] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   744] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   743] <... write resumed>)        = 18
[pid   744] <... prctl resumed>)        = 0
[pid   743] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   744] setpgid(0, 0 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   744] <... setpgid resumed>)      = 0
[pid   743] <... futex resumed>)        = 0
[pid   744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   743] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   744] <... openat resumed>)       = 3
[pid   743] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   744] write(3, "1000", 4 <unfinished ...>
[pid   743] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   744] <... write resumed>)        = 4
[pid   743] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   744] close(3 <unfinished ...>
[pid   743] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   744] <... close resumed>)        = 0
[pid   744] write(1, "executing program\n", 18 <unfinished ...>
[pid   743] <... mmap resumed>)         = 0x7fb4de009000
executing program
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 745 attached
 <unfinished ...>
[pid   744] <... write resumed>)        = 18
[pid   743] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   745] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   744] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   743] <... mprotect resumed>)     = 0
[pid   745] <... set_robust_list resumed>) = 0
[pid   745] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   744] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 745
[pid   745] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   744] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   743] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   745] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   744] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   743] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   745] <... prctl resumed>)        = 0
[pid   744] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   743] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   745] setpgid(0, 0 <unfinished ...>
[pid   744] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 746 attached
[pid   745] <... setpgid resumed>)      = 0
[pid   744] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   744] <... mmap resumed>)         = 0x7fb4de009000
[pid   743] <... clone3 resumed> => {parent_tid=[746]}, 88) = 746
[pid   746] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   745] <... openat resumed>)       = 3
[pid   744] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   743] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   746] <... set_robust_list resumed>) = 0
[pid   745] write(3, "1000", 4 <unfinished ...>
[pid   744] <... mprotect resumed>)     = 0
[pid   743] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   744] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   743] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   746] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 747 attached
 <unfinished ...>
[pid   746] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   745] <... write resumed>)        = 4
[pid   744] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   743] <... futex resumed>)        = 0
[pid   747] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   746] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   747] <... set_robust_list resumed>) = 0
[pid   745] close(3 <unfinished ...>
[pid   744] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   743] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   746] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   745] <... close resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 748 attached
[pid   747] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   746] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   745] write(1, "executing program\n", 18 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 747
[pid   748] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   747] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   746] <... futex resumed>)        = 1
[pid   745] <... write resumed>)        = 18
[pid   744] <... clone3 resumed> => {parent_tid=[748]}, 88) = 748
[pid   743] <... futex resumed>)        = 0
[pid   745] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   744] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   743] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   748] <... set_robust_list resumed>) = 0
[pid   746] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   745] <... futex resumed>)        = 0
[pid   744] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   748] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   747] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   745] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   744] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   743] <... futex resumed>)        = 0
[pid   748] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   747] <... prctl resumed>)        = 0
[pid   746] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   745] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   744] <... futex resumed>)        = 0
[pid   743] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   748] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   747] setpgid(0, 0 <unfinished ...>
[pid   746] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   745] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   744] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   743] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   748] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   747] <... setpgid resumed>)      = 0
[pid   746] <... futex resumed>)        = 0
[pid   745] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   743] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   748] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   746] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   745] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   743] <... futex resumed>)        = 0
executing program
[pid   748] <... futex resumed>)        = 1
[pid   747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   746] <... openat resumed>)       = 3
[pid   745] <... mmap resumed>)         = 0x7fb4de009000
[pid   744] <... futex resumed>)        = 0
[pid   743] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   748] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   747] <... openat resumed>)       = 3
[pid   746] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   745] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   744] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   743] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   748] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   747] write(3, "1000", 4 <unfinished ...>
[pid   746] <... futex resumed>)        = 0
[pid   745] <... mprotect resumed>)     = 0
[pid   744] <... futex resumed>)        = 0
[pid   743] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   748] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   747] <... write resumed>)        = 4
[pid   746] write(3, "\x38\x00", 2 <unfinished ...>
[pid   745] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   744] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   743] <... futex resumed>)        = 0
[pid   748] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   747] close(3 <unfinished ...>
[pid   746] <... write resumed>)        = 2
[pid   745] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   743] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   748] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   747] <... close resumed>)        = 0
[pid   746] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   745] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   743] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   748] <... futex resumed>)        = 1
[pid   747] write(1, "executing program\n", 18 <unfinished ...>
[pid   746] <... futex resumed>)        = 0
[pid   744] <... futex resumed>)        = 0
executing program
ci2-android-6-12-rust/strace-static-x86_64: Process 749 attached
[pid   748] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   747] <... write resumed>)        = 18
[pid   746] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   744] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   743] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   748] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   747] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   749] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   748] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   747] <... futex resumed>)        = 0
[pid   746] <... openat resumed>)       = 4
[pid   745] <... clone3 resumed> => {parent_tid=[749]}, 88) = 749
[pid   744] <... futex resumed>)        = 0
[pid   743] <... futex resumed>)        = 0
[pid   749] <... set_robust_list resumed>) = 0
[pid   748] <... openat resumed>)       = 3
[pid   747] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   746] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   745] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   744] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   743] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   749] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   748] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   746] <... futex resumed>)        = 0
[pid   745] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   749] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   748] <... futex resumed>)        = 0
[pid   747] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   744] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   743] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   748] write(3, "\x38\x00", 2 <unfinished ...>
[pid   747] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   746] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   745] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   744] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   749] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   748] <... write resumed>)        = 2
[pid   747] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   745] <... futex resumed>)        = 0
[pid   744] <... futex resumed>)        = 0
[pid   743] exit_group(0 <unfinished ...>
[pid   749] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   748] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   747] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   745] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   744] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   743] <... exit_group resumed>)   = ?
[pid   746] <... futex resumed>)        = ?
[pid   749] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   748] <... futex resumed>)        = 0
[pid   747] <... mmap resumed>)         = 0x7fb4de009000
[pid   745] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   744] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   749] <... futex resumed>)        = 0
[pid   749] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   748] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   747] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   746] +++ exited with 0 +++
[pid   745] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   744] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   743] +++ exited with 0 +++
[pid   747] <... mprotect resumed>)     = 0
[pid   745] <... futex resumed>)        = 1
[pid   744] <... futex resumed>)        = 1
[pid   745] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   747] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   744] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=743, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   747] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   747] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 750 attached
 <unfinished ...>
[pid   749] <... futex resumed>)        = 0
[pid   748] <... futex resumed>)        = 0
[pid   750] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   749] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   748] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   747] <... clone3 resumed> => {parent_tid=[750]}, 88) = 750
[pid   750] <... set_robust_list resumed>) = 0
[pid   749] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   748] <... openat resumed>)       = 4
[pid   747] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   750] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   749] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   748] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   747] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   750] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   749] <... futex resumed>)        = 1
[pid   748] <... futex resumed>)        = 1
[pid   745] <... futex resumed>)        = 0
[pid   744] <... futex resumed>)        = 0
[pid   750] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   749] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   748] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   747] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   745] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   744] exit_group(0 <unfinished ...>
[pid   750] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   747] <... futex resumed>)        = 0
[pid   745] <... futex resumed>)        = 0
[pid   744] <... exit_group resumed>)   = ?
[pid   750] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   749] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   748] <... futex resumed>)        = ?
[pid   747] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   745] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   750] <... futex resumed>)        = 0
[pid   749] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   748] +++ exited with 0 +++
[pid   747] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   744] +++ exited with 0 +++
[pid   750] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   749] <... openat resumed>)       = 3
[pid   747] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=744, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   750] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   749] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   747] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   750] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   749] <... futex resumed>)        = 1
[pid   747] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   745] <... futex resumed>)        = 0
[pid   750] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   749] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   750] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   749] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   745] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   750] <... futex resumed>)        = 1
[pid   749] write(3, "\x38\x00", 2 <unfinished ...>
[pid   747] <... futex resumed>)        = 0
[pid   750] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   749] <... write resumed>)        = 2
[pid   745] <... futex resumed>)        = 0
[pid   747] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   750] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   749] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   750] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   749] <... futex resumed>)        = 0
[pid   747] <... futex resumed>)        = 0
[pid   745] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   750] <... openat resumed>)       = 3
[pid   749] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   747] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   745] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   750] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   747] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   745] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   750] <... futex resumed>)        = 0
[pid   749] <... futex resumed>)        = 0
[pid   747] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   745] <... futex resumed>)        = 1
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   750] write(3, "\x38\x00", 2 <unfinished ...>
[pid   749] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   747] <... futex resumed>)        = 0
[pid   745] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   750] <... write resumed>)        = 2
[pid   749] <... openat resumed>)       = 4
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   750] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   749] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   750] <... futex resumed>)        = 0
[pid   747] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   745] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   749] <... futex resumed>)        = 0
[pid   749] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   750] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 751 attached
[pid   751] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   747] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   745] exit_group(0 <unfinished ...>
[pid   751] <... set_robust_list resumed>) = 0
[pid   747] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   745] <... exit_group resumed>)   = ?
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 751
[pid   751] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   750] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   749] <... futex resumed>)        = ?
[pid   747] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   751] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   750] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   749] +++ exited with 0 +++
[pid   747] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   745] +++ exited with 0 +++
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   751] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   750] <... openat resumed>)       = 4
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=745, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 752 attached
[pid   751] <... prctl resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   750] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   750] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   752] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   751] setpgid(0, 0 <unfinished ...>
[pid   747] <... futex resumed>)        = 0
[pid   752] <... set_robust_list resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 752
[pid   752] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   751] <... setpgid resumed>)      = 0
[pid   747] exit_group(0 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   752] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   752] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   750] <... futex resumed>)        = ?
[pid   747] <... exit_group resumed>)   = ?
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   752] <... prctl resumed>)        = 0
[pid   751] <... openat resumed>)       = 3
[pid   750] +++ exited with 0 +++
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   752] setpgid(0, 0 <unfinished ...>
[pid   751] write(3, "1000", 4 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 753 attached
 <unfinished ...>
[pid   752] <... setpgid resumed>)      = 0
[pid   751] <... write resumed>)        = 4
[pid   747] +++ exited with 0 +++
[pid   752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   751] close(3 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=747, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   753] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   752] <... openat resumed>)       = 3
[pid   751] <... close resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   753] <... set_robust_list resumed>) = 0
[pid   752] write(3, "1000", 4 <unfinished ...>
[pid   751] write(1, "executing program\n", 18 <unfinished ...>
[pid   753] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   752] <... write resumed>)        = 4
[pid   751] <... write resumed>)        = 18
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 753
[pid   753] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   752] close(3 <unfinished ...>
executing program
[pid   751] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   753] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   752] <... close resumed>)        = 0
[pid   751] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   753] <... prctl resumed>)        = 0
[pid   752] write(1, "executing program\n", 18 <unfinished ...>
[pid   751] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   753] setpgid(0, 0 <unfinished ...>
[pid   752] <... write resumed>)        = 18
[pid   751] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   753] <... setpgid resumed>)      = 0
[pid   752] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid   751] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   752] <... futex resumed>)        = 0
[pid   751] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   753] <... openat resumed>)       = 3
[pid   752] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   753] write(3, "1000", 4 <unfinished ...>
[pid   751] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   753] <... write resumed>)        = 4
[pid   752] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   753] close(3 <unfinished ...>
[pid   752] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   751] <... mmap resumed>)         = 0x7fb4de009000
[pid   753] <... close resumed>)        = 0
[pid   752] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   751] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   753] write(1, "executing program\n", 18 <unfinished ...>
[pid   752] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   753] <... write resumed>)        = 18
[pid   751] <... mprotect resumed>)     = 0
[pid   752] <... mmap resumed>)         = 0x7fb4de009000
executing program
[pid   753] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   752] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   751] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   753] <... futex resumed>)        = 0
[pid   752] <... mprotect resumed>)     = 0
[pid   751] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   753] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   752] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   751] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 754 attached
 <unfinished ...>
[pid   753] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   752] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   754] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   753] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   752] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   751] <... clone3 resumed> => {parent_tid=[754]}, 88) = 754
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 755 attached
 <unfinished ...>
[pid   754] <... set_robust_list resumed>) = 0
[pid   753] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   751] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   755] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   754] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   752] <... clone3 resumed> => {parent_tid=[755]}, 88) = 755
[pid   751] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 756 attached
 <unfinished ...>
[pid   755] <... set_robust_list resumed>) = 0
[pid   754] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   753] <... mmap resumed>)         = 0x7fb4de009000
[pid   752] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   751] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   756] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   755] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   754] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   753] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   752] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   751] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 756
[pid   756] <... set_robust_list resumed>) = 0
[pid   755] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   754] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   753] <... mprotect resumed>)     = 0
[pid   752] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   751] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   756] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   755] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   754] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   753] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   752] <... futex resumed>)        = 0
[pid   751] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   756] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   754] <... futex resumed>)        = 0
[pid   755] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   752] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   751] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   753] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   756] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   755] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   754] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   753] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   752] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   751] <... futex resumed>)        = 0
[pid   756] <... prctl resumed>)        = 0
[pid   755] <... futex resumed>)        = 0
[pid   754] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
ci2-android-6-12-rust/strace-static-x86_64: Process 757 attached
[pid   756] setpgid(0, 0 <unfinished ...>
[pid   755] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   754] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   752] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   751] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   757] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   756] <... setpgid resumed>)      = 0
[pid   757] <... set_robust_list resumed>) = 0
[pid   755] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   754] <... futex resumed>)        = 0
[pid   752] <... futex resumed>)        = 0
[pid   751] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   757] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   755] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   754] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   753] <... clone3 resumed> => {parent_tid=[757]}, 88) = 757
[pid   752] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   751] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   757] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   756] <... openat resumed>)       = 3
[pid   754] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   755] <... futex resumed>)        = 0
[pid   753] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   752] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   751] <... futex resumed>)        = 0
[pid   757] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   756] write(3, "1000", 4 <unfinished ...>
[pid   755] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   754] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   753] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   752] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   751] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   756] <... write resumed>)        = 4
[pid   755] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   754] <... openat resumed>)       = 3
[pid   753] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   752] <... futex resumed>)        = 0
[pid   757] <... futex resumed>)        = 0
[pid   756] close(3 <unfinished ...>
[pid   755] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   754] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   753] <... futex resumed>)        = 1
[pid   752] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   757] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   756] <... close resumed>)        = 0
[pid   755] <... openat resumed>)       = 3
[pid   754] <... futex resumed>)        = 1
[pid   751] <... futex resumed>)        = 0
[pid   757] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   756] write(1, "executing program\n", 18 <unfinished ...>
[pid   755] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   754] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   753] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   751] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   757] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   756] <... write resumed>)        = 18
[pid   757] <... futex resumed>)        = 0
[pid   755] <... futex resumed>)        = 1
[pid   754] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   753] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
executing program
[pid   752] <... futex resumed>)        = 0
[pid   751] <... futex resumed>)        = 0
[pid   757] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   756] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   755] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   754] write(3, "\x38\x00", 2 <unfinished ...>
[pid   753] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   752] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   751] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   757] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   756] <... futex resumed>)        = 0
[pid   755] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   754] <... write resumed>)        = 2
[pid   753] <... futex resumed>)        = 0
[pid   752] <... futex resumed>)        = 0
[pid   757] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   756] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   755] write(3, "\x38\x00", 2 <unfinished ...>
[pid   754] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   753] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   752] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   757] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   756] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   755] <... write resumed>)        = 2
[pid   754] <... futex resumed>)        = 1
[pid   751] <... futex resumed>)        = 0
[pid   757] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   756] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   755] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   754] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   751] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   757] <... futex resumed>)        = 1
[pid   756] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   755] <... futex resumed>)        = 1
[pid   754] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   753] <... futex resumed>)        = 0
[pid   752] <... futex resumed>)        = 0
[pid   751] <... futex resumed>)        = 0
[pid   757] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   755] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   754] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   753] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   752] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   751] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   757] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   756] <... mmap resumed>)         = 0x7fb4de009000
[pid   755] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   757] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   756] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   755] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   754] <... openat resumed>)       = 4
[pid   753] <... futex resumed>)        = 0
[pid   752] <... futex resumed>)        = 0
[pid   757] <... openat resumed>)       = 3
[pid   756] <... mprotect resumed>)     = 0
[pid   755] <... openat resumed>)       = 4
[pid   754] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   753] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   757] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   756] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   755] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   754] <... futex resumed>)        = 1
[pid   753] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   752] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   751] <... futex resumed>)        = 0
[pid   757] <... futex resumed>)        = 0
[pid   756] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   755] <... futex resumed>)        = 0
[pid   754] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   753] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   752] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   751] exit_group(0 <unfinished ...>
[pid   757] write(3, "\x38\x00", 2 <unfinished ...>
[pid   756] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   755] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   753] <... futex resumed>)        = 0
[pid   752] exit_group(0 <unfinished ...>
[pid   757] <... write resumed>)        = 2
[pid   754] <... futex resumed>)        = ?
[pid   751] <... exit_group resumed>)   = ?
[pid   757] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   755] <... futex resumed>)        = ?
[pid   753] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   752] <... exit_group resumed>)   = ?
[pid   754] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 758 attached
[pid   758] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   758] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   758] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   751] +++ exited with 0 +++
[pid   757] <... futex resumed>)        = 0
[pid   755] +++ exited with 0 +++
[pid   757] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   753] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   756] <... clone3 resumed> => {parent_tid=[758]}, 88) = 758
[pid   756] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   756] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   758] <... futex resumed>)        = 0
[pid   756] <... futex resumed>)        = 1
[pid   758] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   753] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   752] +++ exited with 0 +++
[pid   756] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=751, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   758] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   757] <... futex resumed>)        = 0
[pid   753] <... futex resumed>)        = 1
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=752, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   758] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   757] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   753] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   758] <... futex resumed>)        = 1
[pid   757] <... openat resumed>)       = 4
[pid   756] <... futex resumed>)        = 0
[pid   758] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   757] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   756] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   758] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   757] <... futex resumed>)        = 1
[pid   756] <... futex resumed>)        = 0
[pid   753] <... futex resumed>)        = 0
[pid   758] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   757] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   756] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   758] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   753] exit_group(0)               = ?
[pid   757] <... futex resumed>)        = ?
[pid   758] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   756] <... futex resumed>)        = 0
[pid   758] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   756] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   758] <... openat resumed>)       = 3
[pid   756] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   758] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   757] +++ exited with 0 +++
[pid   756] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   753] +++ exited with 0 +++
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   758] <... futex resumed>)        = 0
[pid   756] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=753, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   758] write(3, "\x38\x00", 2 <unfinished ...>
[pid   756] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   758] <... write resumed>)        = 2
[pid   756] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   758] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   756] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   758] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   756] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 759 attached
 <unfinished ...>
[pid   758] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 759
[pid   759] set_robust_list(0x55557716c6a0, 24) = 0
[pid   758] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   756] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   759] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   758] <... openat resumed>)       = 4
[pid   756] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   759] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   759] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   758] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   759] <... prctl resumed>)        = 0
[pid   758] <... futex resumed>)        = 1
[pid   756] <... futex resumed>)        = 0
[pid   759] setpgid(0, 0 <unfinished ...>
[pid   756] exit_group(0 <unfinished ...>
[pid   759] <... setpgid resumed>)      = 0
[pid   756] <... exit_group resumed>)   = ?
[pid   759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   758] +++ exited with 0 +++
[pid   756] +++ exited with 0 +++
[pid   759] <... openat resumed>)       = 3
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=756, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   759] write(3, "1000", 4 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   759] <... write resumed>)        = 4
[pid   759] close(3)                    = 0
executing program
[pid   759] write(1, "executing program\n", 18) = 18
[pid   759] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   759] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   759] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   759] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 760 attached
 <unfinished ...>
[pid   759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   760] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   759] <... mmap resumed>)         = 0x7fb4de009000
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 760
[pid   760] <... set_robust_list resumed>) = 0
[pid   759] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   760] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   759] <... mprotect resumed>)     = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   760] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   759] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 761 attached
 <unfinished ...>
[pid   760] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   759] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   761] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   760] <... prctl resumed>)        = 0
[pid   759] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   761] <... set_robust_list resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 762 attached
[pid   761] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   760] setpgid(0, 0 <unfinished ...>
[pid   762] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   761] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   760] <... setpgid resumed>)      = 0
[pid   762] <... set_robust_list resumed>) = 0
[pid   759] <... clone3 resumed> => {parent_tid=[762]}, 88) = 762
[pid   762] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   761] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   759] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 761
[pid   762] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   761] <... prctl resumed>)        = 0
[pid   760] <... openat resumed>)       = 3
[pid   759] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   762] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   761] setpgid(0, 0 <unfinished ...>
[pid   760] write(3, "1000", 4 <unfinished ...>
[pid   759] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   762] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   761] <... setpgid resumed>)      = 0
[pid   760] <... write resumed>)        = 4
[pid   759] <... futex resumed>)        = 0
[pid   761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   760] close(3 <unfinished ...>
[pid   759] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   762] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   761] <... openat resumed>)       = 3
[pid   760] <... close resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   762] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   761] write(3, "1000", 4 <unfinished ...>
[pid   760] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 763 attached
 <unfinished ...>
[pid   762] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   761] <... write resumed>)        = 4
[pid   760] <... write resumed>)        = 18
[pid   763] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   762] <... futex resumed>)        = 1
[pid   761] close(3 <unfinished ...>
[pid   759] <... futex resumed>)        = 0
[pid   763] <... set_robust_list resumed>) = 0
[pid   762] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   761] <... close resumed>)        = 0
[pid   760] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   759] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   763] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   762] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   760] <... futex resumed>)        = 0
[pid   761] write(1, "executing program\n", 18 <unfinished ...>
[pid   759] <... futex resumed>)        = 0
[pid   763] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   762] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   761] <... write resumed>)        = 18
[pid   760] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
executing program
[pid   759] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   763] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   762] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 763
[pid   763] <... prctl resumed>)        = 0
[pid   762] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   761] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   760] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   763] setpgid(0, 0 <unfinished ...>
[pid   762] <... futex resumed>)        = 1
[pid   761] <... futex resumed>)        = 0
[pid   760] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   759] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   763] <... setpgid resumed>)      = 0
[pid   762] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   761] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   760] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   759] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   762] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   761] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   760] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   759] <... futex resumed>)        = 0
[pid   761] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   762] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   761] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   760] <... mmap resumed>)         = 0x7fb4de009000
[pid   763] <... openat resumed>)       = 3
[pid   762] <... openat resumed>)       = 3
[pid   761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   759] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   763] write(3, "1000", 4 <unfinished ...>
[pid   762] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   761] <... mmap resumed>)         = 0x7fb4de009000
[pid   760] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   759] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   763] <... write resumed>)        = 4
[pid   762] <... futex resumed>)        = 0
[pid   761] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   763] close(3 <unfinished ...>
[pid   762] write(3, "\x38\x00", 2 <unfinished ...>
[pid   760] <... mprotect resumed>)     = 0
[pid   759] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   761] <... mprotect resumed>)     = 0
[pid   763] <... close resumed>)        = 0
[pid   762] <... write resumed>)        = 2
[pid   759] <... futex resumed>)        = 0
[pid   763] write(1, "executing program\n", 18 <unfinished ...>
[pid   762] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   761] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   760] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   759] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   763] <... write resumed>)        = 18
executing program
[pid   762] <... futex resumed>)        = 0
[pid   761] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   760] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   763] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   762] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   761] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   760] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   759] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 764 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 765 attached
[pid   764] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   763] <... futex resumed>)        = 0
[pid   761] <... clone3 resumed> => {parent_tid=[764]}, 88) = 764
[pid   759] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   765] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   763] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   761] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   760] <... clone3 resumed> => {parent_tid=[765]}, 88) = 765
[pid   765] <... set_robust_list resumed>) = 0
[pid   763] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   762] <... futex resumed>)        = 0
[pid   761] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   760] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   759] <... futex resumed>)        = 1
[pid   765] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   763] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   762] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   761] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   760] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   759] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   765] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   763] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   762] <... openat resumed>)       = 4
[pid   761] <... futex resumed>)        = 0
[pid   760] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   765] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   764] <... set_robust_list resumed>) = 0
[pid   763] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   762] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   761] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   760] <... futex resumed>)        = 0
[pid   765] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   764] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   763] <... mmap resumed>)         = 0x7fb4de009000
[pid   762] <... futex resumed>)        = 1
[pid   760] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   759] <... futex resumed>)        = 0
[pid   765] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   764] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   763] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   762] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   760] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   759] exit_group(0 <unfinished ...>
[pid   765] <... futex resumed>)        = 0
[pid   764] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   763] <... mprotect resumed>)     = 0
[pid   762] <... futex resumed>)        = ?
[pid   760] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   759] <... exit_group resumed>)   = ?
[pid   765] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   764] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   763] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   762] +++ exited with 0 +++
[pid   760] <... futex resumed>)        = 0
[pid   764] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   761] <... futex resumed>)        = 0
[pid   764] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   761] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   764] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   761] <... futex resumed>)        = 0
[pid   765] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   764] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   761] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   760] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   759] +++ exited with 0 +++
[pid   765] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   764] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   763] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   760] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   765] <... futex resumed>)        = 0
[pid   764] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   763] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   760] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=759, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   765] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   764] <... futex resumed>)        = 1
[pid   761] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   765] <... openat resumed>)       = 3
[pid   760] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 766 attached
[pid   765] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   760] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   766] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   765] <... futex resumed>)        = 0
[pid   763] <... clone3 resumed> => {parent_tid=[766]}, 88) = 766
[pid   760] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   766] <... set_robust_list resumed>) = 0
[pid   765] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   763] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   760] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   766] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   765] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   763] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   760] <... futex resumed>)        = 0
[pid   766] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   765] write(3, "\x38\x00", 2 <unfinished ...>
[pid   763] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   760] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   766] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   765] <... write resumed>)        = 2
[pid   763] <... futex resumed>)        = 0
[pid   766] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   765] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   766] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   763] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   766] <... futex resumed>)        = 0
[pid   765] <... futex resumed>)        = 1
[pid   760] <... futex resumed>)        = 0
[pid   763] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   766] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   765] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   760] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   763] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   766] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   765] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   763] <... futex resumed>)        = 0
[pid   760] <... futex resumed>)        = 0
[pid   766] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   765] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   763] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   760] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   766] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   765] <... openat resumed>)       = 4
[pid   764] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   761] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   766] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   765] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   764] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   761] <... futex resumed>)        = 0
[pid   766] <... futex resumed>)        = 1
[pid   765] <... futex resumed>)        = 1
[pid   764] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   763] <... futex resumed>)        = 0
[pid   761] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   760] <... futex resumed>)        = 0
[pid   766] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   765] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   764] <... openat resumed>)       = 3
[pid   763] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   766] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   764] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   763] <... futex resumed>)        = 0
[pid   760] exit_group(0 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   766] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   765] <... futex resumed>)        = ?
[pid   764] <... futex resumed>)        = 1
[pid   763] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   761] <... futex resumed>)        = 0
[pid   760] <... exit_group resumed>)   = ?
[pid   766] <... openat resumed>)       = 3
[pid   765] +++ exited with 0 +++
[pid   764] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   761] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   764] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   761] <... futex resumed>)        = 0
[pid   764] write(3, "\x38\x00", 2 <unfinished ...>
[pid   761] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   764] <... write resumed>)        = 2
[pid   764] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   761] <... futex resumed>)        = 0
[pid   760] +++ exited with 0 +++
[pid   766] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   764] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   763] <... futex resumed>)        = 0
[pid   761] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=760, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   766] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   764] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   763] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   761] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   766] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   764] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   763] <... futex resumed>)        = 0
[pid   761] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   766] write(3, "\x38\x00", 2 <unfinished ...>
[pid   764] <... openat resumed>)       = 4
[pid   763] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   764] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   761] <... futex resumed>)        = 0
[pid   764] <... futex resumed>)        = 1
[pid   761] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 767 attached
 <unfinished ...>
[pid   766] <... write resumed>)        = 2
[pid   761] <... exit_group resumed>)   = ?
[pid   767] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   766] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   764] +++ exited with 0 +++
[pid   761] +++ exited with 0 +++
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 767
[pid   767] <... set_robust_list resumed>) = 0
[pid   766] <... futex resumed>)        = 1
[pid   763] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   767] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   763] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   766] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=761, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   767] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   763] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   767] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   766] <... openat resumed>)       = 4
[pid   763] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   767] <... prctl resumed>)        = 0
[pid   766] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   763] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   767] setpgid(0, 0 <unfinished ...>
[pid   766] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 768 attached
 <unfinished ...>
[pid   767] <... setpgid resumed>)      = 0
[pid   766] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   763] exit_group(0 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   768] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   766] <... futex resumed>)        = ?
[pid   763] <... exit_group resumed>)   = ?
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 768
[pid   768] <... set_robust_list resumed>) = 0
[pid   766] +++ exited with 0 +++
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   763] +++ exited with 0 +++
[pid   767] <... openat resumed>)       = 3
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   768] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   767] write(3, "1000", 4 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=763, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid   768] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   767] <... write resumed>)        = 4
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   768] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   767] close(3ci2-android-6-12-rust/strace-static-x86_64: Process 769 attached
 <unfinished ...>
[pid   768] <... prctl resumed>)        = 0
[pid   767] <... close resumed>)        = 0
[pid   769] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   768] setpgid(0, 0 <unfinished ...>
[pid   767] write(1, "executing program\n", 18 <unfinished ...>
[pid   769] <... set_robust_list resumed>) = 0
[pid   768] <... setpgid resumed>)      = 0
[pid   767] <... write resumed>)        = 18
[pid   769] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 769
executing program
[pid   769] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   767] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   769] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   767] <... futex resumed>)        = 0
[pid   769] <... prctl resumed>)        = 0
[pid   768] <... openat resumed>)       = 3
[pid   767] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   769] setpgid(0, 0 <unfinished ...>
[pid   768] write(3, "1000", 4 <unfinished ...>
[pid   767] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   769] <... setpgid resumed>)      = 0
[pid   768] <... write resumed>)        = 4
[pid   767] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   768] close(3 <unfinished ...>
[pid   767] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   769] <... openat resumed>)       = 3
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   769] write(3, "1000", 4 <unfinished ...>
[pid   768] <... close resumed>)        = 0
[pid   767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   769] <... write resumed>)        = 4
[pid   769] close(3 <unfinished ...>
[pid   768] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   767] <... mmap resumed>)         = 0x7fb4de009000
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   769] <... close resumed>)        = 0
[pid   768] <... write resumed>)        = 18
[pid   767] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITEci2-android-6-12-rust/strace-static-x86_64: Process 770 attached
 <unfinished ...>
[pid   769] write(1, "executing program\n", 18 <unfinished ...>
[pid   768] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   770] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   769] <... write resumed>)        = 18
[pid   768] <... futex resumed>)        = 0
[pid   767] <... mprotect resumed>)     = 0
[pid   770] <... set_robust_list resumed>) = 0
[pid   769] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   768] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
executing program
[pid   767] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   770] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   769] <... futex resumed>)        = 0
[pid   768] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   767] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 770
[pid   768] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   769] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   770] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   769] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   768] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   767] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 771 attached
 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   771] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   770] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   769] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   768] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   771] <... set_robust_list resumed>) = 0
[pid   770] <... prctl resumed>)        = 0
[pid   769] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   768] <... mmap resumed>)         = 0x7fb4de009000
[pid   767] <... clone3 resumed> => {parent_tid=[771]}, 88) = 771
[pid   771] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   770] setpgid(0, 0 <unfinished ...>
[pid   769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   768] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   767] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   771] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   770] <... setpgid resumed>)      = 0
[pid   769] <... mmap resumed>)         = 0x7fb4de009000
[pid   768] <... mprotect resumed>)     = 0
[pid   767] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   771] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   769] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   768] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   767] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   771] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   769] <... mprotect resumed>)     = 0
[pid   767] <... futex resumed>)        = 0
[pid   770] <... openat resumed>)       = 3
[pid   768] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   771] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   767] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   768] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   771] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   770] write(3, "1000", 4 <unfinished ...>
[pid   769] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   771] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   770] <... write resumed>)        = 4
[pid   769] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   768] <... clone3 resumed> => {parent_tid=[772]}, 88) = 772
[pid   771] <... futex resumed>)        = 1
[pid   770] close(3 <unfinished ...>
[pid   769] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   768] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   767] <... futex resumed>)        = 0
[pid   771] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   770] <... close resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 773 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 772 attached
[pid   771] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   770] write(1, "executing program\n", 18 <unfinished ...>
[pid   768] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid   767] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   773] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   772] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   771] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   770] <... write resumed>)        = 18
[pid   769] <... clone3 resumed> => {parent_tid=[773]}, 88) = 773
[pid   768] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   767] <... futex resumed>)        = 0
[pid   773] <... set_robust_list resumed>) = 0
[pid   772] <... set_robust_list resumed>) = 0
[pid   770] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   773] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   772] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   771] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   770] <... futex resumed>)        = 0
[pid   769] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   768] <... futex resumed>)        = 0
[pid   767] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   773] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   772] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   771] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   770] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   769] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   768] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   767] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   773] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   772] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   771] <... futex resumed>)        = 0
[pid   770] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   769] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   767] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   773] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   772] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   771] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   770] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   769] <... futex resumed>)        = 0
[pid   767] <... futex resumed>)        = 0
[pid   772] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   773] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   772] <... futex resumed>)        = 1
[pid   771] <... openat resumed>)       = 3
[pid   770] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   769] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   768] <... futex resumed>)        = 0
[pid   767] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   773] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   772] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   771] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   770] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   768] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   773] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   772] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   767] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   773] <... futex resumed>)        = 1
[pid   771] <... futex resumed>)        = 0
[pid   770] <... mmap resumed>)         = 0x7fb4de009000
[pid   769] <... futex resumed>)        = 0
[pid   767] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   773] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   771] write(3, "\x38\x00", 2 <unfinished ...>
[pid   770] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   769] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   767] <... futex resumed>)        = 0
[pid   773] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   771] <... write resumed>)        = 2
[pid   770] <... mprotect resumed>)     = 0
[pid   773] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   771] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   769] <... futex resumed>)        = 0
[pid   767] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   770] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   773] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   772] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   771] <... futex resumed>)        = 0
[pid   770] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   769] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   768] <... futex resumed>)        = 0
[pid   767] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   773] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   772] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   771] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   770] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   769] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   768] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   767] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 774 attached
 <unfinished ...>
[pid   773] <... futex resumed>)        = 0
[pid   772] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   771] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   769] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   768] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   774] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   773] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   772] <... futex resumed>)        = 0
[pid   771] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   770] <... clone3 resumed> => {parent_tid=[774]}, 88) = 774
[pid   769] <... futex resumed>)        = 0
[pid   768] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   767] <... futex resumed>)        = 0
[pid   774] <... set_robust_list resumed>) = 0
[pid   773] <... openat resumed>)       = 3
[pid   772] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   771] <... openat resumed>)       = 4
[pid   770] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   769] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   768] <... futex resumed>)        = 0
[pid   767] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   774] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   773] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   772] <... openat resumed>)       = 3
[pid   771] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   770] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   769] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   768] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   767] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   774] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   773] <... futex resumed>)        = 0
[pid   772] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   771] <... futex resumed>)        = 0
[pid   770] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   769] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   768] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   774] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   773] write(3, "\x38\x00", 2 <unfinished ...>
[pid   772] <... futex resumed>)        = 0
[pid   771] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   770] <... futex resumed>)        = 0
[pid   769] <... futex resumed>)        = 0
[pid   768] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   767] exit_group(0 <unfinished ...>
[pid   774] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   773] <... write resumed>)        = 2
[pid   772] write(3, "\x38\x00", 2 <unfinished ...>
[pid   771] <... futex resumed>)        = ?
[pid   770] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   769] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   768] <... futex resumed>)        = 0
[pid   767] <... exit_group resumed>)   = ?
[pid   774] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   773] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   772] <... write resumed>)        = 2
[pid   771] +++ exited with 0 +++
[pid   770] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   769] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   768] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   772] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   768] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   772] <... futex resumed>)        = 0
[pid   768] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   774] <... futex resumed>)        = 0
[pid   773] <... futex resumed>)        = 0
[pid   772] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   770] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   769] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   768] <... futex resumed>)        = 0
[pid   767] +++ exited with 0 +++
[pid   774] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   773] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   772] <... openat resumed>)       = 4
[pid   770] <... futex resumed>)        = 0
[pid   769] <... futex resumed>)        = 0
[pid   768] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   774] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   773] <... openat resumed>)       = 4
[pid   772] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   770] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   769] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=767, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   774] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   773] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   772] <... futex resumed>)        = 1
[pid   770] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   769] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   768] <... futex resumed>)        = 0
[pid   774] <... futex resumed>)        = 0
[pid   773] <... futex resumed>)        = 0
[pid   772] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   770] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   769] exit_group(0 <unfinished ...>
[pid   768] exit_group(0 <unfinished ...>
[pid   774] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   772] <... futex resumed>)        = ?
[pid   770] <... futex resumed>)        = 0
[pid   769] <... exit_group resumed>)   = ?
[pid   768] <... exit_group resumed>)   = ?
[pid   774] <... openat resumed>)       = 3
[pid   773] +++ exited with 0 +++
[pid   772] +++ exited with 0 +++
[pid   770] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   769] +++ exited with 0 +++
[pid   768] +++ exited with 0 +++
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   774] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   770] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=768, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=769, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   774] <... futex resumed>)        = 0
[pid   770] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   774] write(3, "\x38\x00", 2 <unfinished ...>
[pid   770] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 775 attached
[pid   774] <... write resumed>)        = 2
[pid   770] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   775] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   774] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   775] <... set_robust_list resumed>) = 0
[pid   770] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   774] <... futex resumed>)        = 0
[pid   775] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   774] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   770] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 775
[pid   775] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   774] <... openat resumed>)       = 4
[pid   775] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   770] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   775] <... prctl resumed>)        = 0
[pid   774] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   770] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   775] setpgid(0, 0 <unfinished ...>
[pid   774] <... futex resumed>)        = 0
[pid   770] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   775] <... setpgid resumed>)      = 0
[pid   774] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   770] exit_group(0 <unfinished ...>
[pid   775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   774] <... futex resumed>)        = ?
[pid   770] <... exit_group resumed>)   = ?
[pid   775] <... openat resumed>)       = 3
[pid   312] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 776 attached
 <unfinished ...>
[pid   775] write(3, "1000", 4 <unfinished ...>
[pid   774] +++ exited with 0 +++
[pid   770] +++ exited with 0 +++
[pid   776] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   775] <... write resumed>)        = 4
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=770, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   776] <... set_robust_list resumed>) = 0
[pid   775] close(3 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   776] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   775] <... close resumed>)        = 0
[pid   776] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   775] write(1, "executing program\n", 18 <unfinished ...>
[pid   776] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   775] <... write resumed>)        = 18
executing program
[pid   776] <... prctl resumed>)        = 0
[pid   775] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   776] setpgid(0, 0 <unfinished ...>
[pid   775] <... futex resumed>)        = 0
[pid   776] <... setpgid resumed>)      = 0
[pid   775] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   775] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 776
[pid   776] <... openat resumed>)       = 3
[pid   775] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   776] write(3, "1000", 4 <unfinished ...>
[pid   775] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   776] <... write resumed>)        = 4
[pid   775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   776] close(3)                    = 0
[pid   775] <... mmap resumed>)         = 0x7fb4de009000
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   776] write(1, "executing program\n", 18 <unfinished ...>
[pid   775] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   776] <... write resumed>)        = 18
[pid   775] <... mprotect resumed>)     = 0
[pid   776] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   775] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 777 attached
 <unfinished ...>
executing program
[pid   776] <... futex resumed>)        = 0
[pid   775] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   777] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   776] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   775] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   777] <... set_robust_list resumed>) = 0
[pid   776] <... rt_sigaction resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 778 attached
[pid   777] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   776] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 777
[pid   778] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   777] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   776] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   775] <... clone3 resumed> => {parent_tid=[778]}, 88) = 778
[pid   778] <... set_robust_list resumed>) = 0
[pid   778] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   777] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   775] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   778] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   777] <... prctl resumed>)        = 0
[pid   776] <... mmap resumed>)         = 0x7fb4de009000
[pid   775] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   778] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   777] setpgid(0, 0 <unfinished ...>
[pid   776] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   775] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   778] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   777] <... setpgid resumed>)      = 0
[pid   776] <... mprotect resumed>)     = 0
[pid   775] <... futex resumed>)        = 0
[pid   778] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid   777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   776] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   775] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   778] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   777] <... openat resumed>)       = 3
[pid   775] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   778] <... futex resumed>)        = 0
[pid   777] write(3, "1000", 4 <unfinished ...>
[pid   776] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   775] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   778] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   777] <... write resumed>)        = 4
[pid   776] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   775] <... futex resumed>)        = 0
[pid   778] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   777] close(3ci2-android-6-12-rust/strace-static-x86_64: Process 779 attached
 <unfinished ...>
[pid   778] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   777] <... close resumed>)        = 0
[pid   775] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   779] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   778] <... futex resumed>)        = 0
[pid   777] write(1, "executing program\n", 18 <unfinished ...>
[pid   776] <... clone3 resumed> => {parent_tid=[779]}, 88) = 779
[pid   775] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
executing program
[pid   779] <... set_robust_list resumed>) = 0
[pid   778] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   777] <... write resumed>)        = 18
[pid   776] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   775] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   779] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   778] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   777] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   776] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   775] <... futex resumed>)        = 0
[pid   779] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   778] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   777] <... futex resumed>)        = 0
[pid   776] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   775] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   779] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   778] <... openat resumed>)       = 3
[pid   777] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   776] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   779] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   778] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   777] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   776] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   779] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   778] <... futex resumed>)        = 1
[pid   777] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   776] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   775] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 780 attached
[pid   779] <... futex resumed>)        = 0
[pid   778] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   777] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   776] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   775] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   780] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   779] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   778] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   776] <... futex resumed>)        = 0
[pid   775] <... futex resumed>)        = 0
[pid   780] <... set_robust_list resumed>) = 0
[pid   780] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   779] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   778] write(3, "\x38\x00", 2 <unfinished ...>
[pid   777] <... mmap resumed>)         = 0x7fb4de009000
[pid   776] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   775] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 780
[pid   780] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   779] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   778] <... write resumed>)        = 2
[pid   777] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   776] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   780] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   779] <... futex resumed>)        = 0
[pid   778] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   777] <... mprotect resumed>)     = 0
[pid   776] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   780] <... prctl resumed>)        = 0
[pid   779] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   778] <... futex resumed>)        = 1
[pid   777] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   776] <... futex resumed>)        = 0
[pid   775] <... futex resumed>)        = 0
[pid   780] setpgid(0, 0 <unfinished ...>
[pid   779] <... openat resumed>)       = 3
[pid   778] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   777] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   776] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   775] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   780] <... setpgid resumed>)      = 0
[pid   779] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   778] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   777] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   776] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   775] <... futex resumed>)        = 0
[pid   780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   779] <... futex resumed>)        = 0
[pid   778] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLYci2-android-6-12-rust/strace-static-x86_64: Process 781 attached
 <unfinished ...>
[pid   780] <... openat resumed>)       = 3
[pid   779] write(3, "\x38\x00", 2 <unfinished ...>
[pid   776] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   775] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   780] write(3, "1000", 4 <unfinished ...>
[pid   779] <... write resumed>)        = 2
[pid   778] <... openat resumed>)       = 4
[pid   777] <... clone3 resumed> => {parent_tid=[781]}, 88) = 781
[pid   776] <... futex resumed>)        = 0
[pid   780] <... write resumed>)        = 4
[pid   779] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   778] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   777] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   776] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   780] close(3 <unfinished ...>
[pid   779] <... futex resumed>)        = 0
[pid   778] <... futex resumed>)        = 1
[pid   777] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   776] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   775] <... futex resumed>)        = 0
[pid   780] <... close resumed>)        = 0
[pid   779] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   778] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   777] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   776] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   780] write(1, "executing program\n", 18 <unfinished ...>
[pid   779] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   777] <... futex resumed>)        = 0
[pid   776] <... futex resumed>)        = 0
[pid   775] exit_group(0 <unfinished ...>
[pid   780] <... write resumed>)        = 18
[pid   779] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   777] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   776] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   780] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   778] <... futex resumed>)        = ?
[pid   775] <... exit_group resumed>)   = ?
[pid   780] <... futex resumed>)        = 0
[pid   779] <... openat resumed>)       = 4
[pid   778] +++ exited with 0 +++
executing program
[pid   781] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   781] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   775] +++ exited with 0 +++
[pid   780] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   779] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   781] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   780] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   779] <... futex resumed>)        = 1
[pid   776] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=775, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   781] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   780] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   779] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   776] exit_group(0 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   781] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   780] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   779] <... futex resumed>)        = ?
[pid   776] <... exit_group resumed>)   = ?
[pid   781] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   779] +++ exited with 0 +++
[pid   781] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   780] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   777] <... futex resumed>)        = 0
[pid   776] +++ exited with 0 +++
[pid   777] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=776, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   781] <... futex resumed>)        = 0
[pid   780] <... mmap resumed>)         = 0x7fb4de009000
[pid   777] <... futex resumed>)        = 1
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   781] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   780] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   777] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   781] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   780] <... mprotect resumed>)     = 0
[pid   781] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   780] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   777] <... futex resumed>)        = 0
[pid   781] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   780] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   777] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   781] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   780] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 782 attached
 <unfinished ...>
[pid   781] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   777] <... futex resumed>)        = 0
[pid   782] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   781] <... openat resumed>)       = 3
[pid   782] <... set_robust_list resumed>) = 0
[pid   777] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   782] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   781] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   782] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   777] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   781] <... futex resumed>)        = 0
[pid   782] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   777] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   781] write(3, "\x38\x00", 2 <unfinished ...>
[pid   777] <... futex resumed>)        = 0
[pid   781] <... write resumed>)        = 2
[pid   777] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   781] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   777] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   781] <... futex resumed>)        = 0
[pid   777] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   781] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   777] <... futex resumed>)        = 0
[pid   781] <... openat resumed>)       = 4
[pid   780] <... clone3 resumed> => {parent_tid=[782]}, 88) = 782
[pid   777] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   781] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   780] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   781] <... futex resumed>)        = 0
[pid   780] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   777] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   781] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   780] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   782] <... futex resumed>)        = 0
[pid   780] <... futex resumed>)        = 1
[pid   777] exit_group(0 <unfinished ...>
[pid   780] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   782] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   781] <... futex resumed>)        = ?
[pid   777] <... exit_group resumed>)   = ?
[pid   782] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   781] +++ exited with 0 +++
[pid   782] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   780] <... futex resumed>)        = 0
[pid   780] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   780] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   782] <... futex resumed>)        = 1
[pid   777] +++ exited with 0 +++
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=777, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   782] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   782] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 783 attached
 <unfinished ...>
[pid   782] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   783] set_robust_list(0x55557716c6a0, 24) = 0
[pid   782] <... futex resumed>)        = 1
[pid   780] <... futex resumed>)        = 0
[pid   783] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   782] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   780] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   783] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   782] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   780] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 783
[pid   783] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   782] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   780] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   783] <... prctl resumed>)        = 0
[pid   782] <... openat resumed>)       = 3
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   783] setpgid(0, 0 <unfinished ...>
[pid   782] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   783] <... setpgid resumed>)      = 0
[pid   783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   782] <... futex resumed>)        = 1
[pid   780] <... futex resumed>)        = 0
[pid   783] <... openat resumed>)       = 3
[pid   782] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   780] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   783] write(3, "1000", 4 <unfinished ...>
[pid   782] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   780] <... futex resumed>)        = 0
[pid   783] <... write resumed>)        = 4
[pid   782] write(3, "\x38\x00", 2 <unfinished ...>
[pid   780] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   783] close(3 <unfinished ...>
[pid   782] <... write resumed>)        = 2
[pid   783] <... close resumed>)        = 0
[pid   782] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   783] write(1, "executing program\n", 18 <unfinished ...>
[pid   782] <... futex resumed>)        = 1
[pid   780] <... futex resumed>)        = 0
executing program
[pid   783] <... write resumed>)        = 18
[pid   782] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   780] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   783] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   782] <... openat resumed>)       = 4
[pid   780] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   783] <... futex resumed>)        = 0
[pid   782] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   780] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   783] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   782] <... futex resumed>)        = 0
[pid   780] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   783] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   782] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   780] exit_group(0 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 784 attached
 <unfinished ...>
[pid   783] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   782] <... futex resumed>)        = ?
[pid   780] <... exit_group resumed>)   = ?
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   784] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   783] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   782] +++ exited with 0 +++
[pid   780] +++ exited with 0 +++
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 784
ci2-android-6-12-rust/strace-static-x86_64: Process 785 attached
[pid   784] <... set_robust_list resumed>) = 0
[pid   783] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=780, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   785] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   784] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   783] <... mmap resumed>)         = 0x7fb4de009000
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   785] <... set_robust_list resumed>) = 0
[pid   784] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   783] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   784] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   783] <... mprotect resumed>)     = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 785
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   785] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   784] <... prctl resumed>)        = 0
[pid   783] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   785] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   784] setpgid(0, 0 <unfinished ...>
[pid   783] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   785] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   784] <... setpgid resumed>)      = 0
[pid   783] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   785] <... prctl resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 786 attached
[pid   785] setpgid(0, 0 <unfinished ...>
[pid   784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   786] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   785] <... setpgid resumed>)      = 0
[pid   786] <... set_robust_list resumed>) = 0
[pid   784] <... openat resumed>)       = 3
[pid   783] <... clone3 resumed> => {parent_tid=[786]}, 88) = 786
[pid   786] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   784] write(3, "1000", 4 <unfinished ...>
[pid   783] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   786] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   786] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   783] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   785] <... openat resumed>)       = 3
[pid   784] <... write resumed>)        = 4
[pid   785] write(3, "1000", 4 <unfinished ...>
[pid   784] close(3 <unfinished ...>
[pid   783] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   785] <... write resumed>)        = 4
[pid   786] <... futex resumed>)        = 0
[pid   785] close(3 <unfinished ...>
[pid   784] <... close resumed>)        = 0
[pid   783] <... futex resumed>)        = 1
[pid   314] <... restart_syscall resumed>) = 0
[pid   786] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   785] <... close resumed>)        = 0
[pid   784] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   783] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   786] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   785] write(1, "executing program\n", 18 <unfinished ...>
[pid   784] <... write resumed>)        = 18
[pid   786] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   785] <... write resumed>)        = 18
executing program
[pid   786] <... futex resumed>)        = 1
[pid   785] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   784] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   783] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   785] <... futex resumed>)        = 0
[pid   784] <... futex resumed>)        = 0
[pid   783] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   785] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   784] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   783] <... futex resumed>)        = 0
[pid   785] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   784] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   785] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   784] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   783] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   785] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   784] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   785] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   784] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   786] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   785] <... mmap resumed>)         = 0x7fb4de009000
[pid   784] <... mmap resumed>)         = 0x7fb4de009000
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   786] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   785] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   784] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   786] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   785] <... mprotect resumed>)     = 0
[pid   784] <... mprotect resumed>)     = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 787 attached
[pid   786] <... futex resumed>)        = 1
[pid   785] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   784] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   783] <... futex resumed>)        = 0
[pid   787] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   786] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   785] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   784] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   783] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 787
[pid   787] <... set_robust_list resumed>) = 0
[pid   786] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   785] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   784] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   783] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 788 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 789 attached
 <unfinished ...>
[pid   787] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   786] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   783] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   787] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   785] <... clone3 resumed> => {parent_tid=[788]}, 88) = 788
[pid   789] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   788] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   787] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   786] <... openat resumed>)       = 3
[pid   785] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   784] <... clone3 resumed> => {parent_tid=[789]}, 88) = 789
[pid   789] <... set_robust_list resumed>) = 0
[pid   788] <... set_robust_list resumed>) = 0
[pid   787] <... prctl resumed>)        = 0
[pid   786] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   785] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   789] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   788] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   787] setpgid(0, 0 <unfinished ...>
[pid   786] <... futex resumed>)        = 1
[pid   785] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   784] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   783] <... futex resumed>)        = 0
[pid   789] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   788] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   787] <... setpgid resumed>)      = 0
[pid   786] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   785] <... futex resumed>)        = 0
[pid   784] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   783] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   789] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   789] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   785] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   784] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   783] <... futex resumed>)        = 0
[pid   789] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   788] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   787] <... openat resumed>)       = 3
[pid   786] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   784] <... futex resumed>)        = 0
[pid   783] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   789] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   788] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   787] write(3, "1000", 4 <unfinished ...>
[pid   786] write(3, "\x38\x00", 2 <unfinished ...>
[pid   784] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   789] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   788] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   787] <... write resumed>)        = 4
[pid   786] <... write resumed>)        = 2
[pid   784] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   789] <... futex resumed>)        = 0
[pid   788] <... futex resumed>)        = 1
[pid   787] close(3 <unfinished ...>
[pid   786] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   785] <... futex resumed>)        = 0
[pid   784] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   789] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   788] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   787] <... close resumed>)        = 0
[pid   786] <... futex resumed>)        = 1
[pid   785] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   784] <... futex resumed>)        = 0
[pid   783] <... futex resumed>)        = 0
[pid   789] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   788] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   787] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   786] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   785] <... futex resumed>)        = 0
[pid   784] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   783] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   789] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   788] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   787] <... write resumed>)        = 18
[pid   786] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   785] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   784] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   783] <... futex resumed>)        = 0
[pid   789] <... futex resumed>)        = 0
[pid   788] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   787] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   786] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   784] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   783] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   789] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   787] <... futex resumed>)        = 0
[pid   784] <... futex resumed>)        = 0
[pid   789] <... openat resumed>)       = 3
[pid   788] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   787] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   786] <... openat resumed>)       = 4
[pid   784] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   789] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   788] <... futex resumed>)        = 1
[pid   787] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   786] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   785] <... futex resumed>)        = 0
[pid   789] <... futex resumed>)        = 0
[pid   788] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   787] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   786] <... futex resumed>)        = 1
[pid   784] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   783] <... futex resumed>)        = 0
[pid   785] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   789] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   788] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   787] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   786] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   789] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   788] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   785] <... futex resumed>)        = 0
[pid   784] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   783] exit_group(0 <unfinished ...>
[pid   789] write(3, "\x38\x00", 2 <unfinished ...>
[pid   788] <... openat resumed>)       = 3
[pid   789] <... write resumed>)        = 2
[pid   788] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   787] <... mmap resumed>)         = 0x7fb4de009000
[pid   786] <... futex resumed>)        = ?
[pid   785] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   784] <... futex resumed>)        = 0
[pid   783] <... exit_group resumed>)   = ?
[pid   789] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   788] <... futex resumed>)        = 0
[pid   787] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   786] +++ exited with 0 +++
[pid   785] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   784] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   788] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   789] <... futex resumed>)        = 0
[pid   783] +++ exited with 0 +++
[pid   789] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   787] <... mprotect resumed>)     = 0
[pid   785] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   784] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=783, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   788] <... futex resumed>)        = 0
[pid   787] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   785] <... futex resumed>)        = 1
[pid   784] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   789] <... futex resumed>)        = 0
[pid   788] write(3, "\x38\x00", 2 <unfinished ...>
[pid   787] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   785] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   784] <... futex resumed>)        = 1
[pid   315] <... restart_syscall resumed>) = 0
[pid   789] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   788] <... write resumed>)        = 2
[pid   787] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   784] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 790 attached
 <unfinished ...>
[pid   789] <... openat resumed>)       = 4
[pid   788] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   790] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   789] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   788] <... futex resumed>)        = 1
[pid   787] <... clone3 resumed> => {parent_tid=[790]}, 88) = 790
[pid   785] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   790] <... set_robust_list resumed>) = 0
[pid   789] <... futex resumed>)        = 1
[pid   788] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   787] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   785] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   784] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   790] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   789] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   788] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   787] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   785] <... futex resumed>)        = 0
[pid   784] exit_group(0 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 791 attached
 <unfinished ...>
[pid   790] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   789] <... futex resumed>)        = ?
[pid   788] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   787] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   785] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   784] <... exit_group resumed>)   = ?
[pid   790] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   789] +++ exited with 0 +++
[pid   791] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   788] <... openat resumed>)       = 4
[pid   787] <... futex resumed>)        = 0
[pid   788] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 791
[pid   788] <... futex resumed>)        = 1
[pid   785] <... futex resumed>)        = 0
[pid   788] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   785] exit_group(0 <unfinished ...>
[pid   784] +++ exited with 0 +++
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   791] <... set_robust_list resumed>) = 0
[pid   790] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   788] <... futex resumed>)        = ?
[pid   787] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   785] <... exit_group resumed>)   = ?
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=784, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   791] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   790] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   788] +++ exited with 0 +++
[pid   787] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   791] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   790] <... futex resumed>)        = 0
[pid   787] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   785] +++ exited with 0 +++
[pid   312] <... restart_syscall resumed>) = 0
[pid   791] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   790] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   787] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=785, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   791] <... prctl resumed>)        = 0
[pid   790] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   787] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   791] setpgid(0, 0 <unfinished ...>
[pid   790] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   791] <... setpgid resumed>)      = 0
[pid   790] <... futex resumed>)        = 1
[pid   787] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   790] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   787] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   790] <... openat resumed>)       = 3
[pid   787] <... futex resumed>)        = 0
[pid   791] <... openat resumed>)       = 3
[pid   790] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   787] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   791] write(3, "1000", 4 <unfinished ...>
[pid   790] <... futex resumed>)        = 0
[pid   787] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   791] <... write resumed>)        = 4
[pid   790] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   787] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   791] close(3 <unfinished ...>
[pid   790] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   787] <... futex resumed>)        = 0
[pid   791] <... close resumed>)        = 0
[pid   790] write(3, "\x38\x00", 2 <unfinished ...>
[pid   787] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 792 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 793 attached
 <unfinished ...>
[pid   791] write(1, "executing program\n", 18 <unfinished ...>
[pid   790] <... write resumed>)        = 2
[pid   792] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   791] <... write resumed>)        = 18
[pid   790] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   793] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   792] <... set_robust_list resumed>) = 0
[pid   793] <... set_robust_list resumed>) = 0
[pid   791] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   790] <... futex resumed>)        = 1
[pid   787] <... futex resumed>)        = 0
[pid   792] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   793] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   791] <... futex resumed>)        = 0
[pid   790] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   792] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   787] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   793] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   791] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   790] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   792] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   787] <... futex resumed>)        = 0
executing program
[pid   793] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   792] <... prctl resumed>)        = 0
[pid   791] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   790] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   787] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 792
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 793
[pid   793] <... prctl resumed>)        = 0
[pid   792] setpgid(0, 0 <unfinished ...>
[pid   791] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   790] <... openat resumed>)       = 4
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   793] setpgid(0, 0 <unfinished ...>
[pid   792] <... setpgid resumed>)      = 0
[pid   791] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   790] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   793] <... setpgid resumed>)      = 0
[pid   792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   790] <... futex resumed>)        = 1
[pid   787] <... futex resumed>)        = 0
[pid   793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   791] <... mmap resumed>)         = 0x7fb4de009000
[pid   790] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   787] exit_group(0 <unfinished ...>
[pid   793] <... openat resumed>)       = 3
[pid   792] <... openat resumed>)       = 3
[pid   791] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   793] write(3, "1000", 4 <unfinished ...>
[pid   792] write(3, "1000", 4 <unfinished ...>
[pid   790] <... futex resumed>)        = ?
[pid   787] <... exit_group resumed>)   = ?
[pid   793] <... write resumed>)        = 4
[pid   792] <... write resumed>)        = 4
[pid   791] <... mprotect resumed>)     = 0
[pid   790] +++ exited with 0 +++
[pid   793] close(3)                    = 0
executing program
[pid   793] write(1, "executing program\n", 18 <unfinished ...>
[pid   787] +++ exited with 0 +++
[pid   792] close(3 <unfinished ...>
[pid   791] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   793] <... write resumed>)        = 18
[pid   792] <... close resumed>)        = 0
[pid   791] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=787, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid   793] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   792] write(1, "executing program\n", 18 <unfinished ...>
[pid   791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   793] <... futex resumed>)        = 0
[pid   792] <... write resumed>)        = 18
executing program
ci2-android-6-12-rust/strace-static-x86_64: Process 794 attached
[pid   793] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   792] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   794] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   793] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   792] <... futex resumed>)        = 0
[pid   791] <... clone3 resumed> => {parent_tid=[794]}, 88) = 794
[pid   794] <... set_robust_list resumed>) = 0
[pid   793] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   792] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   791] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   794] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   793] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   792] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   791] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   794] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   793] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   792] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   791] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   794] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   793] <... mmap resumed>)         = 0x7fb4de009000
[pid   792] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   791] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   794] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   793] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   792] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   791] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   794] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   793] <... mprotect resumed>)     = 0
[pid   792] <... mmap resumed>)         = 0x7fb4de009000
[pid   791] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 795 attached
 <unfinished ...>
[pid   794] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   793] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   792] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   791] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   795] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   794] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   795] <... set_robust_list resumed>) = 0
[pid   794] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   793] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   792] <... mprotect resumed>)     = 0
[pid   791] <... futex resumed>)        = 0
[pid   794] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   793] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 795
ci2-android-6-12-rust/strace-static-x86_64: Process 796 attached
[pid   795] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   794] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   792] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   791] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   796] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   795] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   794] <... futex resumed>)        = 0
[pid   794] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   793] <... clone3 resumed> => {parent_tid=[796]}, 88) = 796
[pid   791] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   796] <... set_robust_list resumed>) = 0
[pid   795] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   793] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   792] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   791] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   796] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   795] <... prctl resumed>)        = 0
[pid   794] <... futex resumed>)        = 0
[pid   793] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   792] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   791] <... futex resumed>)        = 1
[pid   796] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   795] setpgid(0, 0 <unfinished ...>
[pid   794] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   793] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   791] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   796] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   795] <... setpgid resumed>)      = 0
[pid   794] <... openat resumed>)       = 3
[pid   792] <... clone3 resumed> => {parent_tid=[797]}, 88) = 797
ci2-android-6-12-rust/strace-static-x86_64: Process 797 attached
[pid   796] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   794] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   793] <... futex resumed>)        = 0
[pid   792] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   797] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   796] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   795] <... openat resumed>)       = 3
[pid   794] <... futex resumed>)        = 1
[pid   793] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   791] <... futex resumed>)        = 0
[pid   797] <... set_robust_list resumed>) = 0
[pid   796] <... futex resumed>)        = 0
[pid   795] write(3, "1000", 4 <unfinished ...>
[pid   794] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   793] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   792] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   797] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   796] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   795] <... write resumed>)        = 4
[pid   794] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   793] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   792] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   791] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   797] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   796] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   795] close(3 <unfinished ...>
[pid   794] write(3, "\x38\x00", 2 <unfinished ...>
[pid   793] <... futex resumed>)        = 0
[pid   792] <... futex resumed>)        = 0
[pid   791] <... futex resumed>)        = 0
[pid   797] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   796] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   795] <... close resumed>)        = 0
[pid   794] <... write resumed>)        = 2
[pid   793] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   792] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   791] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   797] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   796] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   795] write(1, "executing program\n", 18 <unfinished ...>
[pid   794] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   791] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
executing program
[pid   797] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   796] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   795] <... write resumed>)        = 18
[pid   794] <... futex resumed>)        = 0
[pid   791] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   797] <... futex resumed>)        = 1
[pid   796] <... futex resumed>)        = 1
[pid   795] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   794] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   793] <... futex resumed>)        = 0
[pid   792] <... futex resumed>)        = 0
[pid   791] <... futex resumed>)        = 0
[pid   797] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   796] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   795] <... futex resumed>)        = 0
[pid   794] <... openat resumed>)       = 4
[pid   793] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   792] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   797] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   796] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   795] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   794] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   793] <... futex resumed>)        = 0
[pid   791] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   797] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   796] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   795] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   794] <... futex resumed>)        = 0
[pid   792] <... futex resumed>)        = 0
[pid   791] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   797] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   796] <... openat resumed>)       = 3
[pid   795] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   794] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   793] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   792] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   791] exit_group(0 <unfinished ...>
[pid   797] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   796] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   795] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   793] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   792] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   797] <... futex resumed>)        = 0
[pid   796] <... futex resumed>)        = 0
[pid   795] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   794] <... futex resumed>)        = ?
[pid   793] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   791] <... exit_group resumed>)   = ?
[pid   797] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   796] write(3, "\x38\x00", 2 <unfinished ...>
[pid   795] <... mmap resumed>)         = 0x7fb4de009000
[pid   794] +++ exited with 0 +++
[pid   793] <... futex resumed>)        = 0
[pid   792] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   793] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   797] <... openat resumed>)       = 3
[pid   797] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   796] <... write resumed>)        = 2
[pid   795] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   792] <... futex resumed>)        = 0
[pid   791] +++ exited with 0 +++
[pid   797] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   796] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   795] <... mprotect resumed>)     = 0
[pid   792] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=791, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   796] <... futex resumed>)        = 1
[pid   795] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   793] <... futex resumed>)        = 0
[pid   792] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   796] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   795] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   793] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   792] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   796] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   795] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   793] <... futex resumed>)        = 0
[pid   792] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 798 attached
[pid   797] <... futex resumed>)        = 0
[pid   796] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   793] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   792] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   798] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   797] write(3, "\x38\x00", 2 <unfinished ...>
[pid   796] <... openat resumed>)       = 4
[pid   795] <... clone3 resumed> => {parent_tid=[798]}, 88) = 798
[pid   798] <... set_robust_list resumed>) = 0
[pid   796] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   798] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   795] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   798] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   796] <... futex resumed>)        = 1
[pid   795] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   798] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   796] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   798] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   795] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   798] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   797] <... write resumed>)        = 2
[pid   795] <... futex resumed>)        = 0
[pid   793] <... futex resumed>)        = 0
[pid   798] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   797] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   795] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   793] exit_group(0 <unfinished ...>
[pid   798] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   797] <... futex resumed>)        = 1
[pid   796] <... futex resumed>)        = ?
[pid   795] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   793] <... exit_group resumed>)   = ?
[pid   792] <... futex resumed>)        = 0
[pid   798] <... futex resumed>)        = 0
[pid   797] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   796] +++ exited with 0 +++
[pid   795] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   793] +++ exited with 0 +++
[pid   792] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   798] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   797] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   795] <... futex resumed>)        = 0
[pid   792] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=793, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   798] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   797] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   795] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   792] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   798] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   797] <... openat resumed>)       = 4
[pid   795] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   798] <... futex resumed>)        = 0
[pid   797] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   798] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   797] <... futex resumed>)        = 1
[pid   795] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   792] <... futex resumed>)        = 0
[pid   798] <... openat resumed>)       = 3
[pid   797] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   795] <... futex resumed>)        = 0
[pid   798] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   795] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   792] exit_group(0 <unfinished ...>
[pid   798] <... futex resumed>)        = 0
[pid   795] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   797] <... futex resumed>)        = ?
[pid   792] <... exit_group resumed>)   = ?
[pid   312] <... restart_syscall resumed>) = 0
[pid   798] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   797] +++ exited with 0 +++
[pid   795] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 799 attached
 <unfinished ...>
[pid   798] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   795] <... futex resumed>)        = 0
[pid   792] +++ exited with 0 +++
[pid   799] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   798] write(3, "\x38\x00", 2 <unfinished ...>
[pid   795] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=792, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid   799] <... set_robust_list resumed>) = 0
[pid   798] <... write resumed>)        = 2
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 799
[pid   799] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   798] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   799] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   798] <... futex resumed>)        = 1
[pid   795] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   799] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   798] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   795] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   799] <... prctl resumed>)        = 0
[pid   795] <... futex resumed>)        = 0
[pid   799] setpgid(0, 0 <unfinished ...>
[pid   798] <... openat resumed>)       = 4
[pid   795] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   799] <... setpgid resumed>)      = 0
[pid   798] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   795] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   798] <... futex resumed>)        = 0
[pid   795] exit_group(0 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   798] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   799] <... openat resumed>)       = 3
[pid   798] <... futex resumed>)        = ?
[pid   795] <... exit_group resumed>)   = ?
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   799] write(3, "1000", 4 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 800 attached
 <unfinished ...>
[pid   798] +++ exited with 0 +++
[pid   799] <... write resumed>)        = 4
[pid   795] +++ exited with 0 +++
[pid   800] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   799] close(3 <unfinished ...>
[pid   800] <... set_robust_list resumed>) = 0
[pid   799] <... close resumed>)        = 0
[pid   800] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   799] write(1, "executing program\n", 18 <unfinished ...>
[pid   800] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   799] <... write resumed>)        = 18
executing program
[pid   800] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   799] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 800
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=795, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   800] <... prctl resumed>)        = 0
[pid   799] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   800] setpgid(0, 0 <unfinished ...>
[pid   799] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   800] <... setpgid resumed>)      = 0
[pid   799] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   799] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   800] <... openat resumed>)       = 3
[pid   799] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   800] write(3, "1000", 4 <unfinished ...>
[pid   799] <... mmap resumed>)         = 0x7fb4de009000
[pid   800] <... write resumed>)        = 4
[pid   800] close(3 <unfinished ...>
[pid   799] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   800] <... close resumed>)        = 0
[pid   799] <... mprotect resumed>)     = 0
[pid   800] write(1, "executing program\n", 18) = 18
[pid   799] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   800] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   799] <... rt_sigprocmask resumed>, [], 8) = 0
executing program
[pid   800] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   799] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   800] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 801 attached
[pid   800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   801] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   800] <... mmap resumed>)         = 0x7fb4de009000
[pid   799] <... clone3 resumed> => {parent_tid=[801]}, 88) = 801
[pid   801] <... set_robust_list resumed>) = 0
[pid   800] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   799] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   801] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   800] <... mprotect resumed>)     = 0
[pid   799] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   801] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   800] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   799] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   801] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   800] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   799] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   801] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   800] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   799] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 802 attached
 <unfinished ...>
[pid   801] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 803 attached
[pid   801] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   800] <... clone3 resumed> => {parent_tid=[802]}, 88) = 802
[pid   799] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   802] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   799] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 803
[pid   803] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   802] <... set_robust_list resumed>) = 0
[pid   799] <... futex resumed>)        = 0
[pid   803] <... set_robust_list resumed>) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   802] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   799] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   803] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   802] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   803] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   802] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   801] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   800] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   801] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   800] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   803] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   801] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   800] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   803] <... prctl resumed>)        = 0
[pid   802] <... futex resumed>)        = 0
[pid   801] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   800] <... futex resumed>)        = 1
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   803] setpgid(0, 0 <unfinished ...>
[pid   802] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   801] <... futex resumed>)        = 1
[pid   800] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   799] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   803] <... setpgid resumed>)      = 0
[pid   801] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   799] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   802] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   801] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   801] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid   801] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   801] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 804 attached
 <unfinished ...>
[pid   804] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   801] <... futex resumed>)        = 0
[pid   799] <... futex resumed>)        = 1
[pid   804] <... set_robust_list resumed>) = 0
[pid   801] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   804] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   803] <... openat resumed>)       = 3
[pid   802] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   799] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   804] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   803] write(3, "1000", 4 <unfinished ...>
[pid   802] <... futex resumed>)        = 1
[pid   800] <... futex resumed>)        = 0
[pid   799] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   804] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   803] <... write resumed>)        = 4
[pid   802] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   800] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   799] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 804
[pid   804] <... prctl resumed>)        = 0
[pid   803] close(3 <unfinished ...>
[pid   802] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   801] <... futex resumed>)        = 0
[pid   800] <... futex resumed>)        = 0
[pid   799] <... futex resumed>)        = 1
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   804] setpgid(0, 0 <unfinished ...>
[pid   803] <... close resumed>)        = 0
[pid   802] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   801] write(3, "\x38\x00", 2 <unfinished ...>
[pid   800] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   799] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   804] <... setpgid resumed>)      = 0
executing program
[pid   803] write(1, "executing program\n", 18 <unfinished ...>
[pid   802] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   801] <... write resumed>)        = 2
[pid   804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   803] <... write resumed>)        = 18
[pid   802] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   801] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   803] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   802] <... futex resumed>)        = 1
[pid   804] <... openat resumed>)       = 3
[pid   803] <... futex resumed>)        = 0
[pid   802] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   801] <... futex resumed>)        = 1
[pid   800] <... futex resumed>)        = 0
[pid   799] <... futex resumed>)        = 0
[pid   804] write(3, "1000", 4 <unfinished ...>
[pid   803] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   801] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   800] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   799] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   804] <... write resumed>)        = 4
[pid   801] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   800] <... futex resumed>)        = 1
[pid   799] <... futex resumed>)        = 0
[pid   804] close(3 <unfinished ...>
[pid   801] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   800] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   799] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   804] <... close resumed>)        = 0
[pid   804] write(1, "executing program\n", 18 <unfinished ...>
[pid   803] <... rt_sigaction resumed>, NULL, 8) = 0
executing program
[pid   802] <... futex resumed>)        = 0
[pid   801] <... openat resumed>)       = 4
[pid   804] <... write resumed>)        = 18
[pid   803] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   802] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   801] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   804] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   803] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   802] <... openat resumed>)       = 3
[pid   804] <... futex resumed>)        = 0
[pid   803] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   802] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   801] <... futex resumed>)        = 1
[pid   799] <... futex resumed>)        = 0
[pid   804] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   803] <... mmap resumed>)         = 0x7fb4de009000
[pid   802] <... futex resumed>)        = 1
[pid   801] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   800] <... futex resumed>)        = 0
[pid   799] exit_group(0 <unfinished ...>
[pid   804] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   803] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   802] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   800] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   804] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   803] <... mprotect resumed>)     = 0
[pid   802] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   801] <... futex resumed>)        = ?
[pid   799] <... exit_group resumed>)   = ?
[pid   800] <... futex resumed>)        = 0
[pid   804] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   803] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   802] write(3, "\x38\x00", 2 <unfinished ...>
[pid   803] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   802] <... write resumed>)        = 2
[pid   803] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   802] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 805 attached
 <unfinished ...>
[pid   804] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   802] <... futex resumed>)        = 0
[pid   801] +++ exited with 0 +++
[pid   800] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   799] +++ exited with 0 +++
[pid   805] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   804] <... mmap resumed>)         = 0x7fb4de009000
[pid   803] <... clone3 resumed> => {parent_tid=[805]}, 88) = 805
[pid   802] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   800] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=799, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   805] <... set_robust_list resumed>) = 0
[pid   804] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   803] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   805] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   804] <... mprotect resumed>)     = 0
[pid   803] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   800] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   805] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   804] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   803] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   805] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   802] <... futex resumed>)        = 0
[pid   800] <... futex resumed>)        = 1
[pid   804] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   805] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   803] <... futex resumed>)        = 0
[pid   802] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   804] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   800] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 806 attached
 <unfinished ...>
[pid   805] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   803] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   802] <... openat resumed>)       = 4
[pid   806] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   805] <... futex resumed>)        = 0
[pid   804] <... clone3 resumed> => {parent_tid=[806]}, 88) = 806
[pid   803] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   802] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   806] <... set_robust_list resumed>) = 0
[pid   805] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   804] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   803] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   802] <... futex resumed>)        = 1
[pid   800] <... futex resumed>)        = 0
[pid   806] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   805] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   804] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   806] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   805] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   800] exit_group(0 <unfinished ...>
[pid   804] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   806] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid   805] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   804] <... futex resumed>)        = 0
[pid   803] <... futex resumed>)        = 0
[pid   800] <... exit_group resumed>)   = ?
[pid   806] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   805] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   804] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   803] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   802] +++ exited with 0 +++
[pid   806] <... futex resumed>)        = 0
[pid   805] <... futex resumed>)        = 0
[pid   804] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   803] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   806] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   805] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   804] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   806] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   804] <... futex resumed>)        = 0
[pid   806] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   804] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   803] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   806] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   805] <... futex resumed>)        = 0
[pid   803] <... futex resumed>)        = 1
[pid   800] +++ exited with 0 +++
[pid   805] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   806] <... futex resumed>)        = 1
[pid   804] <... futex resumed>)        = 0
[pid   806] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   804] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   805] <... openat resumed>)       = 3
[pid   803] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   806] <... openat resumed>)       = 3
[pid   805] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   804] <... futex resumed>)        = 0
[pid   803] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   806] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   805] <... futex resumed>)        = 0
[pid   804] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   803] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=800, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... restart_syscall resumed>) = 0
[pid   806] <... futex resumed>)        = 0
[pid   805] write(3, "\x38\x00", 2 <unfinished ...>
[pid   804] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   803] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   806] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   805] <... write resumed>)        = 2
[pid   804] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   803] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   806] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   805] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   804] <... futex resumed>)        = 0
[pid   803] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   806] write(3, "\x38\x00", 2 <unfinished ...>
[pid   805] <... futex resumed>)        = 0
[pid   804] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   803] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   806] <... write resumed>)        = 2
[pid   805] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   803] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   806] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   805] <... openat resumed>)       = 4
[pid   803] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 807 attached
 <unfinished ...>
[pid   806] <... futex resumed>)        = 1
[pid   805] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   804] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   807] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   806] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   805] <... futex resumed>)        = 1
[pid   804] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   803] <... futex resumed>)        = 0
[pid   807] <... set_robust_list resumed>) = 0
[pid   806] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   805] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   804] <... futex resumed>)        = 0
[pid   807] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   806] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   804] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   807] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   807] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   806] <... openat resumed>)       = 4
[pid   803] exit_group(0 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 807
[pid   807] <... prctl resumed>)        = 0
[pid   806] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   805] <... futex resumed>)        = ?
[pid   803] <... exit_group resumed>)   = ?
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   807] setpgid(0, 0 <unfinished ...>
[pid   806] <... futex resumed>)        = 1
[pid   805] +++ exited with 0 +++
[pid   804] <... futex resumed>)        = 0
[pid   803] +++ exited with 0 +++
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=803, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 808 attached
[pid   807] <... setpgid resumed>)      = 0
[pid   806] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   804] exit_group(0 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   804] <... exit_group resumed>)   = ?
[pid   806] <... futex resumed>)        = ?
[pid   808] set_robust_list(0x55557716c6a0, 24) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 808
[pid   808] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   808] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   808] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   808] setpgid(0, 0)               = 0
[pid   806] +++ exited with 0 +++
[pid   804] +++ exited with 0 +++
[pid   808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=804, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   807] <... openat resumed>)       = 3
[pid   808] <... openat resumed>)       = 3
[pid   808] write(3, "1000", 4)         = 4
[pid   808] close(3)                    = 0
[pid   808] write(1, "executing program\n", 18) = 18
executing program
[pid   808] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   808] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   808] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   808] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   808] <... mmap resumed>)         = 0x7fb4de009000
[pid   807] write(3, "1000", 4 <unfinished ...>
[pid   808] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   807] <... write resumed>)        = 4
[pid   808] <... mprotect resumed>)     = 0
[pid   807] close(3 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   808] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   807] <... close resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   807] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 809 attached
 <unfinished ...>
[pid   808] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   807] <... write resumed>)        = 18
[pid   808] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   807] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   809] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   807] <... futex resumed>)        = 0
[pid   809] <... set_robust_list resumed>) = 0
[pid   807] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   808] <... clone3 resumed> => {parent_tid=[810]}, 88) = 810
[pid   807] <... rt_sigaction resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 810 attached
[pid   809] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   807] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   809] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   808] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   807] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 809
[pid   810] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   808] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   807] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   808] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   810] <... set_robust_list resumed>) = 0
[pid   809] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   808] <... futex resumed>)        = 0
[pid   807] <... mmap resumed>)         = 0x7fb4de009000
[pid   808] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   810] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   809] <... prctl resumed>)        = 0
[pid   807] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   810] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   809] setpgid(0, 0 <unfinished ...>
[pid   807] <... mprotect resumed>)     = 0
[pid   810] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   807] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   809] <... setpgid resumed>)      = 0
[pid   810] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   807] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   810] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   807] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   810] <... futex resumed>)        = 1
[pid   808] <... futex resumed>)        = 0
[pid   810] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   808] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 811 attached
 <unfinished ...>
[pid   810] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   808] <... futex resumed>)        = 0
[pid   810] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   809] <... openat resumed>)       = 3
[pid   808] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   811] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   810] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   809] write(3, "1000", 4 <unfinished ...>
[pid   807] <... clone3 resumed> => {parent_tid=[811]}, 88) = 811
[pid   811] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   810] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   809] <... write resumed>)        = 4
[pid   807] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   811] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   810] <... futex resumed>)        = 1
[pid   809] close(3 <unfinished ...>
[pid   807] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   811] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   810] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   809] <... close resumed>)        = 0
[pid   811] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   807] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid   809] write(1, "executing program\n", 18 <unfinished ...>
[pid   811] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   809] <... write resumed>)        = 18
[pid   808] <... futex resumed>)        = 0
[pid   807] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   811] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   809] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   808] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   807] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   811] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   810] <... futex resumed>)        = 0
[pid   809] <... futex resumed>)        = 0
[pid   808] <... futex resumed>)        = 1
[pid   807] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   811] <... futex resumed>)        = 0
[pid   810] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   809] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   808] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   811] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   807] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   810] <... openat resumed>)       = 3
[pid   809] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   807] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   811] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   810] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   809] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   807] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 812 attached
 <unfinished ...>
[pid   811] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   810] <... futex resumed>)        = 1
[pid   809] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   808] <... futex resumed>)        = 0
[pid   807] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   812] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   811] <... futex resumed>)        = 0
[pid   810] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   807] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   812] <... set_robust_list resumed>) = 0
[pid   811] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   809] <... mmap resumed>)         = 0x7fb4de009000
[pid   807] <... futex resumed>)        = 0
[pid   808] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 812
[pid   810] <... futex resumed>)        = 0
[pid   808] <... futex resumed>)        = 1
[pid   807] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   812] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   811] <... openat resumed>)       = 3
[pid   810] write(3, "\x38\x00", 2 <unfinished ...>
[pid   809] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   808] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   812] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   811] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   810] <... write resumed>)        = 2
[pid   809] <... mprotect resumed>)     = 0
[pid   811] <... futex resumed>)        = 1
[pid   810] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   807] <... futex resumed>)        = 0
[pid   810] <... futex resumed>)        = 1
[pid   809] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   808] <... futex resumed>)        = 0
[pid   807] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   811] write(3, "\x38\x00", 2 <unfinished ...>
[pid   812] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   810] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   811] <... write resumed>)        = 2
[pid   809] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   808] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   807] <... futex resumed>)        = 0
[pid   812] <... prctl resumed>)        = 0
[pid   811] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   810] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   809] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   808] <... futex resumed>)        = 0
[pid   807] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   812] setpgid(0, 0 <unfinished ...>
[pid   811] <... futex resumed>)        = 0
[pid   810] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   808] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   807] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 813 attached
[pid   812] <... setpgid resumed>)      = 0
[pid   811] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   810] <... openat resumed>)       = 4
[pid   813] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   811] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   809] <... clone3 resumed> => {parent_tid=[813]}, 88) = 813
[pid   807] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   811] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   813] <... set_robust_list resumed>) = 0
[pid   812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   810] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   809] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   807] <... futex resumed>)        = 0
[pid   813] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   812] <... openat resumed>)       = 3
[pid   811] <... openat resumed>)       = 4
[pid   810] <... futex resumed>)        = 1
[pid   809] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   808] <... futex resumed>)        = 0
[pid   807] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   813] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   812] write(3, "1000", 4 <unfinished ...>
[pid   811] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   810] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   809] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   808] exit_group(0 <unfinished ...>
[pid   807] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   813] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   812] <... write resumed>)        = 4
[pid   811] <... futex resumed>)        = 0
[pid   810] <... futex resumed>)        = ?
[pid   809] <... futex resumed>)        = 0
[pid   808] <... exit_group resumed>)   = ?
[pid   807] exit_group(0 <unfinished ...>
[pid   813] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   812] close(3 <unfinished ...>
[pid   810] +++ exited with 0 +++
[pid   809] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   808] +++ exited with 0 +++
[pid   807] <... exit_group resumed>)   = ?
[pid   813] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   812] <... close resumed>)        = 0
[pid   811] +++ exited with 0 +++
[pid   809] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=808, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   813] <... futex resumed>)        = 0
executing program
[pid   812] write(1, "executing program\n", 18 <unfinished ...>
[pid   809] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   807] +++ exited with 0 +++
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   813] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   812] <... write resumed>)        = 18
[pid   809] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=807, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   813] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   812] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   809] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   812] <... futex resumed>)        = 0
[pid   813] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   812] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   813] <... futex resumed>)        = 1
[pid   812] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   809] <... futex resumed>)        = 0
[pid   813] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   812] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   809] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   813] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   812] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   809] <... futex resumed>)        = 0
[pid   813] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   809] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   813] <... openat resumed>)       = 3
[pid   812] <... mmap resumed>)         = 0x7fb4de009000
[pid   813] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   812] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   809] <... futex resumed>)        = 0
[pid   813] <... futex resumed>)        = 1
[pid   812] <... mprotect resumed>)     = 0
[pid   809] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   813] write(3, "\x38\x00", 2)     = 2
[pid   812] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   809] <... futex resumed>)        = 0
[pid   813] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   809] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   813] <... futex resumed>)        = 0
[pid   812] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   809] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   813] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   812] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   809] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   813] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 814 attached
[pid   813] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   809] <... futex resumed>)        = 0
[pid   813] <... openat resumed>)       = 4
[pid   809] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   812] <... clone3 resumed> => {parent_tid=[814]}, 88) = 814
[pid   813] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   812] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   813] <... futex resumed>)        = 1
[pid   812] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   809] <... futex resumed>)        = 0
[pid   813] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   812] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   809] exit_group(0 <unfinished ...>
[pid   813] <... futex resumed>)        = ?
[pid   812] <... futex resumed>)        = 0
[pid   809] <... exit_group resumed>)   = ?
[pid   814] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   813] +++ exited with 0 +++
[pid   812] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   809] +++ exited with 0 +++
[pid   814] <... set_robust_list resumed>) = 0
[pid   814] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=809, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   814] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   814] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid   814] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   812] <... futex resumed>)        = 0
[pid   814] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   812] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   814] <... futex resumed>)        = 0
[pid   812] <... futex resumed>)        = 1
[pid   812] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   814] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   814] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   812] <... futex resumed>)        = 0
[pid   814] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   812] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   814] <... futex resumed>)        = 0
[pid   812] <... futex resumed>)        = 1
[pid   814] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   812] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   814] <... openat resumed>)       = 3
[pid   814] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   812] <... futex resumed>)        = 0
[pid   814] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   812] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   814] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   812] <... futex resumed>)        = 0
[pid   814] write(3, "\x38\x00", 2 <unfinished ...>
[pid   812] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   814] <... write resumed>)        = 2
[pid   814] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   814] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   812] <... futex resumed>)        = 0
[pid   812] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   814] <... futex resumed>)        = 0
[pid   812] <... futex resumed>)        = 1
[pid   814] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   812] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   814] <... openat resumed>)       = 4
[pid   814] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   812] <... futex resumed>)        = 0
[pid   812] exit_group(0 <unfinished ...>
[pid   814] <... futex resumed>)        = 1
[pid   812] <... exit_group resumed>)   = ?
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   814] +++ exited with 0 +++
[pid   812] +++ exited with 0 +++
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=812, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 815 attached
, child_tidptr=0x55557716c690) = 816
ci2-android-6-12-rust/strace-static-x86_64: Process 816 attached
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   816] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 817
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   816] <... set_robust_list resumed>) = 0
[pid   815] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   816] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   815] <... set_robust_list resumed>) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 815
[pid   312] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 817 attached
 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 818 attached
 <unfinished ...>
[pid   817] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   816] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   815] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   818] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   817] <... set_robust_list resumed>) = 0
[pid   815] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   818] <... set_robust_list resumed>) = 0
[pid   817] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   816] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 818
[pid   817] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   815] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   818] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   817] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   816] <... prctl resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   817] <... prctl resumed>)        = 0
[pid   817] setpgid(0, 0)               = 0
[pid   818] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   816] setpgid(0, 0 <unfinished ...>
[pid   815] <... prctl resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   818] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   817] <... openat resumed>)       = 3
[pid   816] <... setpgid resumed>)      = 0
[pid   815] setpgid(0, 0 <unfinished ...>
[pid   818] <... prctl resumed>)        = 0
[pid   817] write(3, "1000", 4 <unfinished ...>
[pid   816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   818] setpgid(0, 0 <unfinished ...>
[pid   815] <... setpgid resumed>)      = 0
[pid   818] <... setpgid resumed>)      = 0
[pid   817] <... write resumed>)        = 4
[pid   817] close(3 <unfinished ...>
[pid   818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   817] <... close resumed>)        = 0
[pid   815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   817] write(1, "executing program\n", 18) = 18
[pid   817] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid   817] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   817] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   817] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   817] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   816] <... openat resumed>)       = 3
[pid   817] <... mprotect resumed>)     = 0
[pid   815] <... openat resumed>)       = 3
[pid   818] <... openat resumed>)       = 3
[pid   815] write(3, "1000", 4 <unfinished ...>
[pid   818] write(3, "1000", 4 <unfinished ...>
[pid   816] write(3, "1000", 4 <unfinished ...>
[pid   818] <... write resumed>)        = 4
[pid   815] <... write resumed>)        = 4
[pid   818] close(3 <unfinished ...>
[pid   816] <... write resumed>)        = 4
[pid   815] close(3 <unfinished ...>
[pid   818] <... close resumed>)        = 0
[pid   816] close(3 <unfinished ...>
[pid   818] write(1, "executing program\n", 18 <unfinished ...>
[pid   817] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   815] <... close resumed>)        = 0
[pid   817] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   817] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 819 attached
executing program
 <unfinished ...>
[pid   818] <... write resumed>)        = 18
[pid   816] <... close resumed>)        = 0
[pid   815] write(1, "executing program\n", 18 <unfinished ...>
[pid   819] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   818] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   817] <... clone3 resumed> => {parent_tid=[819]}, 88) = 819
[pid   816] write(1, "executing program\n", 18 <unfinished ...>
[pid   815] <... write resumed>)        = 18
[pid   819] <... set_robust_list resumed>) = 0
[pid   817] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   816] <... write resumed>)        = 18
[pid   819] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   818] <... futex resumed>)        = 0
[pid   817] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
executing program
[pid   815] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   819] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   818] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   817] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   816] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   815] <... futex resumed>)        = 0
[pid   819] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   818] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   817] <... futex resumed>)        = 0
[pid   816] <... futex resumed>)        = 0
[pid   815] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   819] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   817] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   819] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   818] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   816] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   815] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   818] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   817] <... futex resumed>)        = 0
[pid   816] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   815] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   819] <... futex resumed>)        = 1
[pid   817] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   819] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   817] <... futex resumed>)        = 0
[pid   816] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   815] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   819] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   817] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   816] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   815] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   819] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   818] <... mmap resumed>)         = 0x7fb4de009000
[pid   817] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   819] <... futex resumed>)        = 0
[pid   818] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   817] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   815] <... mmap resumed>)         = 0x7fb4de009000
[pid   819] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   817] <... futex resumed>)        = 0
[pid   819] <... openat resumed>)       = 3
[pid   818] <... mprotect resumed>)     = 0
[pid   817] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   816] <... mmap resumed>)         = 0x7fb4de009000
[pid   815] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   819] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   818] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   816] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   819] <... futex resumed>)        = 1
[pid   817] <... futex resumed>)        = 0
[pid   815] <... mprotect resumed>)     = 0
[pid   819] write(3, "\x38\x00", 2 <unfinished ...>
[pid   818] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   817] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   816] <... mprotect resumed>)     = 0
[pid   819] <... write resumed>)        = 2
[pid   818] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   817] <... futex resumed>)        = 0
[pid   815] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   819] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   817] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   816] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   819] <... futex resumed>)        = 0
[pid   817] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   816] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   815] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   818] <... clone3 resumed> => {parent_tid=[820]}, 88) = 820
[pid   816] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   815] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 820 attached
 <unfinished ...>
[pid   819] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   817] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   820] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   819] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   817] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 821 attached
[pid   820] <... set_robust_list resumed>) = 0
[pid   819] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   817] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 822 attached
 <unfinished ...>
[pid   821] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   820] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   819] <... openat resumed>)       = 4
[pid   818] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   815] <... clone3 resumed> => {parent_tid=[821]}, 88) = 821
[pid   822] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   821] <... set_robust_list resumed>) = 0
[pid   820] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   819] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   818] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   816] <... clone3 resumed> => {parent_tid=[822]}, 88) = 822
[pid   815] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   822] <... set_robust_list resumed>) = 0
[pid   821] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   820] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   819] <... futex resumed>)        = 1
[pid   818] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   817] <... futex resumed>)        = 0
[pid   816] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   815] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   822] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   821] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   820] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   819] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   818] <... futex resumed>)        = 0
[pid   817] exit_group(0 <unfinished ...>
[pid   816] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   815] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   822] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   821] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   820] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   819] <... futex resumed>)        = ?
[pid   818] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   817] <... exit_group resumed>)   = ?
[pid   816] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   815] <... futex resumed>)        = 0
[pid   822] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   821] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   820] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   819] +++ exited with 0 +++
[pid   817] +++ exited with 0 +++
[pid   816] <... futex resumed>)        = 0
[pid   822] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   821] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   820] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   815] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   816] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   822] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   821] <... futex resumed>)        = 0
[pid   820] <... futex resumed>)        = 1
[pid   818] <... futex resumed>)        = 0
[pid   816] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   815] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=817, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   822] <... futex resumed>)        = 0
[pid   821] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   818] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   816] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   815] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   818] <... futex resumed>)        = 0
[pid   816] <... futex resumed>)        = 0
[pid   815] <... futex resumed>)        = 0
[pid   822] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   821] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   820] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   822] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   821] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   820] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   818] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   816] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   815] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   822] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   821] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   820] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   818] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   816] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   822] <... futex resumed>)        = 0
[pid   821] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   820] <... futex resumed>)        = 0
[pid   818] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   822] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   821] <... futex resumed>)        = 1
[pid   820] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   821] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   820] <... openat resumed>)       = 3
[pid   818] <... futex resumed>)        = 0
[pid   816] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   815] <... futex resumed>)        = 0
[pid   822] <... futex resumed>)        = 0
[pid   820] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   818] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   816] <... futex resumed>)        = 1
[pid   815] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   822] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   821] <... futex resumed>)        = 0
[pid   820] <... futex resumed>)        = 0
[pid   818] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   816] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   815] <... futex resumed>)        = 1
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   822] <... openat resumed>)       = 3
[pid   821] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   820] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   822] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   821] <... openat resumed>)       = 3
[pid   820] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   818] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   816] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   815] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   822] <... futex resumed>)        = 0
[pid   818] <... futex resumed>)        = 0
[pid   816] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   822] write(3, "\x38\x00", 2 <unfinished ...>
[pid   821] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   820] write(3, "\x38\x00", 2 <unfinished ...>
[pid   822] <... write resumed>)        = 2
[pid   821] <... futex resumed>)        = 0
[pid   820] <... write resumed>)        = 2
[pid   822] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   821] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   820] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   822] <... futex resumed>)        = 0
[pid   820] <... futex resumed>)        = 0
[pid   822] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   820] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 823 attached
 <unfinished ...>
[pid   818] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   816] <... futex resumed>)        = 0
[pid   815] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   818] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   816] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   815] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   823] set_robust_list(0x55557716c6a0, 24) = 0
[pid   821] <... futex resumed>)        = 0
[pid   818] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   816] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   815] <... futex resumed>)        = 1
[pid   823] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   821] write(3, "\x38\x00", 2 <unfinished ...>
[pid   816] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   815] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   823] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   822] <... futex resumed>)        = 0
[pid   821] <... write resumed>)        = 2
[pid   820] <... futex resumed>)        = 0
[pid   818] <... futex resumed>)        = 1
[pid   816] <... futex resumed>)        = 1
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 823
[pid   823] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   822] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   821] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   820] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   818] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   816] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   823] <... prctl resumed>)        = 0
[pid   822] <... openat resumed>)       = 4
[pid   821] <... futex resumed>)        = 1
[pid   820] <... openat resumed>)       = 4
[pid   815] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   823] setpgid(0, 0 <unfinished ...>
[pid   822] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   821] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   815] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   823] <... setpgid resumed>)      = 0
[pid   822] <... futex resumed>)        = 1
[pid   821] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   820] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   816] <... futex resumed>)        = 0
[pid   815] <... futex resumed>)        = 0
[pid   823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   822] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   821] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   820] <... futex resumed>)        = 1
[pid   818] <... futex resumed>)        = 0
[pid   823] <... openat resumed>)       = 3
[pid   821] <... openat resumed>)       = 4
[pid   816] exit_group(0 <unfinished ...>
[pid   815] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   818] exit_group(0 <unfinished ...>
[pid   816] <... exit_group resumed>)   = ?
[pid   823] write(3, "1000", 4 <unfinished ...>
[pid   822] <... futex resumed>)        = ?
[pid   821] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   820] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   823] <... write resumed>)        = 4
[pid   822] +++ exited with 0 +++
[pid   821] <... futex resumed>)        = 1
[pid   820] +++ exited with 0 +++
[pid   818] <... exit_group resumed>)   = ?
[pid   816] +++ exited with 0 +++
[pid   815] <... futex resumed>)        = 0
[pid   823] close(3 <unfinished ...>
[pid   821] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   823] <... close resumed>)        = 0
[pid   823] write(1, "executing program\n", 18) = 18
[pid   823] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   823] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   823] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   823] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   823] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   818] +++ exited with 0 +++
[pid   815] exit_group(0 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=816, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   815] <... exit_group resumed>)   = ?
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
executing program
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=818, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   823] <... mprotect resumed>)     = 0
[pid   821] <... futex resumed>)        = ?
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   823] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   821] +++ exited with 0 +++
[pid   815] +++ exited with 0 +++
[pid   823] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   823] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=815, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   823] <... clone3 resumed> => {parent_tid=[824]}, 88) = 824
[pid   823] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 824 attached
 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   823] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   824] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   823] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   824] <... set_robust_list resumed>) = 0
[pid   823] <... futex resumed>)        = 0
[pid   824] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   823] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   824] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   824] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid   824] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   823] <... futex resumed>)        = 0
[pid   824] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   823] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   824] <... futex resumed>)        = 0
[pid   823] <... futex resumed>)        = 1
[pid   824] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   823] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   824] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   314] <... restart_syscall resumed>) = 0
[pid   824] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   823] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   823] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   824] <... futex resumed>)        = 0
[pid   823] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   824] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   823] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   824] <... openat resumed>)       = 3
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   824] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   824] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   823] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 825 attached
[pid   823] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 826 attached
 <unfinished ...>
[pid   825] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   824] <... futex resumed>)        = 0
[pid   823] <... futex resumed>)        = 1
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   825] <... set_robust_list resumed>) = 0
[pid   824] write(3, "\x38\x00", 2 <unfinished ...>
[pid   823] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 825
[pid   824] <... write resumed>)        = 2
[pid   824] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 827 attached
[pid   824] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   826] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   825] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   827] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   826] <... set_robust_list resumed>) = 0
[pid   825] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   823] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   827] <... set_robust_list resumed>) = 0
[pid   823] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 827
[pid   823] <... futex resumed>)        = 1
[pid   823] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   826] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   827] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   826] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   825] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   824] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 826
[pid   824] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   826] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   824] <... openat resumed>)       = 4
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   824] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   823] <... futex resumed>)        = 0
[pid   824] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   823] exit_group(0 <unfinished ...>
[pid   827] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   826] <... prctl resumed>)        = 0
[pid   825] <... prctl resumed>)        = 0
[pid   824] <... futex resumed>)        = ?
[pid   823] <... exit_group resumed>)   = ?
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   827] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   826] setpgid(0, 0 <unfinished ...>
[pid   825] setpgid(0, 0 <unfinished ...>
[pid   824] +++ exited with 0 +++
[pid   823] +++ exited with 0 +++
[pid   827] <... prctl resumed>)        = 0
[pid   826] <... setpgid resumed>)      = 0
[pid   825] <... setpgid resumed>)      = 0
[pid   827] setpgid(0, 0 <unfinished ...>
[pid   826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   827] <... setpgid resumed>)      = 0
[pid   825] <... openat resumed>)       = 3
[pid   827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   825] write(3, "1000", 4 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=823, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   827] <... openat resumed>)       = 3
[pid   825] <... write resumed>)        = 4
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   827] write(3, "1000", 4 <unfinished ...>
[pid   825] close(3 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   826] <... openat resumed>)       = 3
[pid   825] <... close resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   827] <... write resumed>)        = 4
[pid   826] write(3, "1000", 4 <unfinished ...>
executing program
executing program
executing program
[pid   825] write(1, "executing program\n", 18 <unfinished ...>
[pid   827] close(3)                    = 0
[pid   827] write(1, "executing program\n", 18ci2-android-6-12-rust/strace-static-x86_64: Process 828 attached
) = 18
[pid   826] <... write resumed>)        = 4
[pid   828] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   825] <... write resumed>)        = 18
[pid   826] close(3 <unfinished ...>
[pid   828] <... set_robust_list resumed>) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 828
[pid   826] <... close resumed>)        = 0
[pid   825] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   828] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   826] write(1, "executing program\n", 18 <unfinished ...>
[pid   825] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   828] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   826] <... write resumed>)        = 18
[pid   825] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   828] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   827] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   826] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   825] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   827] <... futex resumed>)        = 0
[pid   827] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   827] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   827] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   826] <... futex resumed>)        = 0
[pid   828] <... prctl resumed>)        = 0
[pid   827] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   826] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   825] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   828] setpgid(0, 0 <unfinished ...>
[pid   827] <... mprotect resumed>)     = 0
[pid   826] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   825] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   828] <... setpgid resumed>)      = 0
[pid   827] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   826] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   827] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   827] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   826] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   825] <... mmap resumed>)         = 0x7fb4de009000
ci2-android-6-12-rust/strace-static-x86_64: Process 829 attached
[pid   827] <... clone3 resumed> => {parent_tid=[829]}, 88) = 829
[pid   826] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   825] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   829] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   827] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   827] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   827] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   825] <... mprotect resumed>)     = 0
[pid   828] <... openat resumed>)       = 3
[pid   826] <... mmap resumed>)         = 0x7fb4de009000
[pid   825] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   829] <... set_robust_list resumed>) = 0
[pid   826] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   825] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   829] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   826] <... mprotect resumed>)     = 0
[pid   829] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   825] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   826] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   828] write(3, "1000", 4)         = 4
[pid   828] close(3ci2-android-6-12-rust/strace-static-x86_64: Process 830 attached
)                    = 0
[pid   830] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
executing program
[pid   828] write(1, "executing program\n", 18 <unfinished ...>
[pid   830] <... set_robust_list resumed>) = 0
[pid   828] <... write resumed>)        = 18
[pid   830] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   828] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   830] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   828] <... futex resumed>)        = 0
[pid   830] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   828] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   828] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   829] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   828] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   826] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   825] <... clone3 resumed> => {parent_tid=[830]}, 88) = 830
[pid   829] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   828] <... mprotect resumed>)     = 0
[pid   825] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   829] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   828] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   826] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   825] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   829] <... futex resumed>)        = 1
[pid   828] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   827] <... futex resumed>)        = 0
[pid   828] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   827] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 831 attached
 <unfinished ...>
[pid   829] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   827] <... futex resumed>)        = 0
[pid   825] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 832 attached
 <unfinished ...>
[pid   831] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   827] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   831] <... set_robust_list resumed>) = 0
[pid   831] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   829] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   832] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   831] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   830] <... futex resumed>)        = 0
[pid   829] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   828] <... clone3 resumed> => {parent_tid=[832]}, 88) = 832
[pid   826] <... clone3 resumed> => {parent_tid=[831]}, 88) = 831
[pid   825] <... futex resumed>)        = 1
[pid   832] <... set_robust_list resumed>) = 0
[pid   831] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   830] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   829] <... futex resumed>)        = 1
[pid   828] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   827] <... futex resumed>)        = 0
[pid   832] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   830] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   829] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   828] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   827] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   826] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   825] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   832] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   830] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   829] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   828] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   827] <... futex resumed>)        = 0
[pid   826] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   832] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   830] <... futex resumed>)        = 0
[pid   829] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   828] <... futex resumed>)        = 0
[pid   827] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   826] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   825] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   832] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   831] <... futex resumed>)        = 0
[pid   830] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   829] <... openat resumed>)       = 3
[pid   828] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   832] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   831] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   830] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   829] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   826] <... futex resumed>)        = 1
[pid   825] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   832] <... futex resumed>)        = 0
[pid   831] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   830] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   829] <... futex resumed>)        = 1
[pid   828] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   827] <... futex resumed>)        = 0
[pid   832] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   831] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   830] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   829] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   828] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   827] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   826] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   825] <... futex resumed>)        = 0
[pid   832] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   831] <... futex resumed>)        = 0
[pid   830] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   829] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   828] <... futex resumed>)        = 0
[pid   827] <... futex resumed>)        = 0
[pid   826] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   825] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   832] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   831] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   830] <... futex resumed>)        = 0
[pid   829] write(3, "\x38\x00", 2 <unfinished ...>
[pid   828] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   827] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   826] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   825] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   832] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   831] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   830] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   829] <... write resumed>)        = 2
[pid   826] <... futex resumed>)        = 0
[pid   825] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   832] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   831] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   830] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   829] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   826] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   825] <... futex resumed>)        = 0
[pid   832] <... futex resumed>)        = 1
[pid   831] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   830] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   829] <... futex resumed>)        = 1
[pid   828] <... futex resumed>)        = 0
[pid   827] <... futex resumed>)        = 0
[pid   825] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   832] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   831] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   830] <... openat resumed>)       = 3
[pid   829] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   828] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   827] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   832] <... openat resumed>)       = 3
[pid   831] <... futex resumed>)        = 1
[pid   830] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   829] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   828] <... futex resumed>)        = 0
[pid   827] <... futex resumed>)        = 0
[pid   826] <... futex resumed>)        = 0
[pid   832] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   831] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   830] <... futex resumed>)        = 1
[pid   829] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   828] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   827] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   826] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   825] <... futex resumed>)        = 0
[pid   832] <... futex resumed>)        = 0
[pid   831] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   830] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   828] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   825] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   832] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   831] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   830] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   829] <... openat resumed>)       = 4
[pid   828] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   826] <... futex resumed>)        = 0
[pid   825] <... futex resumed>)        = 0
[pid   832] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   831] <... openat resumed>)       = 3
[pid   829] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   826] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   832] write(3, "\x38\x00", 2 <unfinished ...>
[pid   829] <... futex resumed>)        = 1
[pid   825] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   832] <... write resumed>)        = 2
[pid   829] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   832] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   831] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   830] write(3, "\x38\x00", 2 <unfinished ...>
[pid   828] <... futex resumed>)        = 0
[pid   827] <... futex resumed>)        = 0
[pid   832] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   831] <... futex resumed>)        = 1
[pid   830] <... write resumed>)        = 2
[pid   828] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   827] exit_group(0 <unfinished ...>
[pid   826] <... futex resumed>)        = 0
[pid   831] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   830] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   829] <... futex resumed>)        = ?
[pid   828] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   827] <... exit_group resumed>)   = ?
[pid   826] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   831] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   830] <... futex resumed>)        = 1
[pid   828] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   825] <... futex resumed>)        = 0
[pid   826] <... futex resumed>)        = 0
[pid   832] <... futex resumed>)        = 0
[pid   831] write(3, "\x38\x00", 2 <unfinished ...>
[pid   830] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   828] <... futex resumed>)        = 1
[pid   826] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   825] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   832] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   831] <... write resumed>)        = 2
[pid   830] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   828] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   825] <... futex resumed>)        = 0
[pid   832] <... openat resumed>)       = 4
[pid   831] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   830] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   826] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   825] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   832] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   831] <... futex resumed>)        = 0
[pid   830] <... openat resumed>)       = 4
[pid   826] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   831] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   830] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   832] <... futex resumed>)        = 1
[pid   831] <... openat resumed>)       = 4
[pid   830] <... futex resumed>)        = 1
[pid   828] <... futex resumed>)        = 0
[pid   826] <... futex resumed>)        = 0
[pid   825] <... futex resumed>)        = 0
[pid   832] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   831] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   830] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   828] exit_group(0 <unfinished ...>
[pid   825] exit_group(0 <unfinished ...>
[pid   832] <... futex resumed>)        = ?
[pid   831] <... futex resumed>)        = 0
[pid   830] <... futex resumed>)        = ?
[pid   829] +++ exited with 0 +++
[pid   828] <... exit_group resumed>)   = ?
[pid   827] +++ exited with 0 +++
[pid   826] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   825] <... exit_group resumed>)   = ?
[pid   832] +++ exited with 0 +++
[pid   831] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   830] +++ exited with 0 +++
[pid   828] +++ exited with 0 +++
[pid   826] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   825] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=827, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   826] exit_group(0 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=825, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=828, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   826] <... exit_group resumed>)   = ?
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   831] <... futex resumed>)        = ?
[pid   831] +++ exited with 0 +++
[pid   826] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=826, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 834 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 833 attached
 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   834] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   833] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 833
[pid   834] <... set_robust_list resumed>) = 0
[pid   833] <... set_robust_list resumed>) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 834
[pid   834] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   833] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   834] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   833] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   834] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   833] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   834] <... prctl resumed>)        = 0
[pid   833] <... prctl resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   834] setpgid(0, 0ci2-android-6-12-rust/strace-static-x86_64: Process 835 attached
)               = 0
[pid   833] setpgid(0, 0 <unfinished ...>
[pid   835] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   835] <... set_robust_list resumed>) = 0
[pid   833] <... setpgid resumed>)      = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 835
[pid   835] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   835] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   834] <... openat resumed>)       = 3
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   833] <... openat resumed>)       = 3
[pid   835] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   834] write(3, "1000", 4 <unfinished ...>
[pid   835] <... prctl resumed>)        = 0
[pid   833] write(3, "1000", 4 <unfinished ...>
[pid   835] setpgid(0, 0 <unfinished ...>
[pid   834] <... write resumed>)        = 4
[pid   833] <... write resumed>)        = 4
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   835] <... setpgid resumed>)      = 0
[pid   834] close(3 <unfinished ...>
[pid   833] close(3 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   834] <... close resumed>)        = 0
[pid   833] <... close resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   835] <... openat resumed>)       = 3
[pid   834] write(1, "executing program\n", 18 <unfinished ...>
[pid   833] write(1, "executing program\n", 18 <unfinished ...>
[pid   835] write(3, "1000", 4)         = 4
executing program
executing program
ci2-android-6-12-rust/strace-static-x86_64: Process 836 attached
[pid   834] <... write resumed>)        = 18
[pid   833] <... write resumed>)        = 18
[pid   833] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   834] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   833] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 836
[pid   836] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   834] <... futex resumed>)        = 0
[pid   833] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   834] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   836] <... set_robust_list resumed>) = 0
[pid   834] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   833] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   834] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   833] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   836] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   834] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   833] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   836] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   833] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   836] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   834] <... mmap resumed>)         = 0x7fb4de009000
[pid   833] <... mmap resumed>)         = 0x7fb4de009000
[pid   836] <... prctl resumed>)        = 0
[pid   834] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   833] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   836] setpgid(0, 0)               = 0
[pid   834] <... mprotect resumed>)     = 0
[pid   833] <... mprotect resumed>)     = 0
[pid   836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   834] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   833] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   834] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   833] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   836] <... openat resumed>)       = 3
[pid   834] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   836] write(3, "1000", 4 <unfinished ...>
[pid   833] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   836] <... write resumed>)        = 4
[pid   836] close(3ci2-android-6-12-rust/strace-static-x86_64: Process 837 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 838 attached
)                    = 0
[pid   838] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   834] <... clone3 resumed> => {parent_tid=[837]}, 88) = 837
[pid   836] write(1, "executing program\n", 18 <unfinished ...>
[pid   833] <... clone3 resumed> => {parent_tid=[838]}, 88) = 838
[pid   838] <... set_robust_list resumed>) = 0
[pid   834] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   838] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   836] <... write resumed>)        = 18
[pid   834] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   833] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   838] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   838] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   836] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   834] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   833] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   836] <... futex resumed>)        = 0
[pid   834] <... futex resumed>)        = 0
[pid   833] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   836] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   834] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   838] <... futex resumed>)        = 0
[pid   836] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   833] <... futex resumed>)        = 1
executing program
[pid   838] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   836] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   833] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   838] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   836] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   838] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   836] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   833] <... futex resumed>)        = 0
[pid   838] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid   836] <... mmap resumed>)         = 0x7fb4de009000
[pid   833] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   838] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   836] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   833] <... futex resumed>)        = 0
[pid   838] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   836] <... mprotect resumed>)     = 0
[pid   833] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   838] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   836] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   838] <... futex resumed>)        = 0
[pid   833] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   838] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   836] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   838] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   833] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   838] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   836] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   833] <... futex resumed>)        = 0
[pid   838] <... openat resumed>)       = 3
[pid   838] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   833] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   838] <... futex resumed>)        = 0
[pid   836] <... clone3 resumed> => {parent_tid=[839]}, 88) = 839
[pid   838] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   833] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 839 attached
[pid   837] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   836] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   833] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   839] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   836] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   839] <... set_robust_list resumed>) = 0
[pid   838] <... futex resumed>)        = 0
[pid   833] <... futex resumed>)        = 1
[pid   836] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   839] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   838] write(3, "\x38\x00", 2 <unfinished ...>
[pid   836] <... futex resumed>)        = 0
[pid   833] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   839] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   838] <... write resumed>)        = 2
[pid   836] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   839] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   838] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   839] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   838] <... futex resumed>)        = 1
[pid   833] <... futex resumed>)        = 0
[pid   839] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   838] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   833] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   839] <... futex resumed>)        = 1
[pid   838] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   836] <... futex resumed>)        = 0
[pid   833] <... futex resumed>)        = 0
[pid   839] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   838] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   836] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   833] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   839] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   839] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   838] <... openat resumed>)       = 4
[pid   837] <... set_robust_list resumed>) = 0
[pid   836] <... futex resumed>)        = 0
[pid   835] close(3 <unfinished ...>
[pid   839] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   838] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   837] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   836] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   835] <... close resumed>)        = 0
[pid   839] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   838] <... futex resumed>)        = 1
[pid   837] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   836] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   835] write(1, "executing program\n", 18 <unfinished ...>
[pid   833] <... futex resumed>)        = 0
[pid   839] <... futex resumed>)        = 0
[pid   838] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
executing program
[pid   837] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   836] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   835] <... write resumed>)        = 18
[pid   839] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   837] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   835] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   833] exit_group(0 <unfinished ...>
[pid   839] <... openat resumed>)       = 3
[pid   838] <... futex resumed>)        = ?
[pid   837] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   836] <... futex resumed>)        = 0
[pid   835] <... futex resumed>)        = 0
[pid   833] <... exit_group resumed>)   = ?
[pid   839] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   838] +++ exited with 0 +++
[pid   837] <... futex resumed>)        = 1
[pid   836] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   835] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   834] <... futex resumed>)        = 0
[pid   839] <... futex resumed>)        = 0
[pid   837] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   836] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   835] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   834] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   833] +++ exited with 0 +++
[pid   839] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   837] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   836] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   835] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   834] <... futex resumed>)        = 0
[pid   839] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   837] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   836] <... futex resumed>)        = 0
[pid   835] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   834] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   839] write(3, "\x38\x00", 2 <unfinished ...>
[pid   837] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   836] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=833, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   839] <... write resumed>)        = 2
[pid   837] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   835] <... mmap resumed>)         = 0x7fb4de009000
[pid   839] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   837] <... futex resumed>)        = 1
[pid   835] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   834] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   839] <... futex resumed>)        = 1
[pid   837] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   836] <... futex resumed>)        = 0
[pid   835] <... mprotect resumed>)     = 0
[pid   834] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   839] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   837] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   836] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   834] <... futex resumed>)        = 0
[pid   839] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   837] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   836] <... futex resumed>)        = 0
[pid   835] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   834] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   839] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   837] <... openat resumed>)       = 3
[pid   836] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   839] <... openat resumed>)       = 4
[pid   837] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   835] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   839] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   837] <... futex resumed>)        = 1
[pid   834] <... futex resumed>)        = 0
[pid   839] <... futex resumed>)        = 1
[pid   837] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   836] <... futex resumed>)        = 0
[pid   834] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   839] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   837] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   836] exit_group(0 <unfinished ...>
[pid   835] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   834] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 840 attached
[pid   839] <... futex resumed>)        = ?
[pid   837] write(3, "\x38\x00", 2 <unfinished ...>
[pid   836] <... exit_group resumed>)   = ?
[pid   834] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   840] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   839] +++ exited with 0 +++
[pid   837] <... write resumed>)        = 2
[pid   836] +++ exited with 0 +++
[pid   840] <... set_robust_list resumed>) = 0
[pid   837] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   835] <... clone3 resumed> => {parent_tid=[840]}, 88) = 840
[pid   837] <... futex resumed>)        = 1
[pid   835] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   834] <... futex resumed>)        = 0
[pid   837] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   835] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   834] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   837] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   835] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   834] <... futex resumed>)        = 0
[pid   837] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   835] <... futex resumed>)        = 0
[pid   834] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   837] <... openat resumed>)       = 4
[pid   835] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   837] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   834] <... futex resumed>)        = 0
[pid   837] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   834] exit_group(0 <unfinished ...>
[pid   837] <... futex resumed>)        = ?
[pid   834] <... exit_group resumed>)   = ?
[pid   840] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   837] +++ exited with 0 +++
[pid   834] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=836, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   840] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   840] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=834, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   840] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   840] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   840] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   835] <... futex resumed>)        = 0
[pid   840] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   835] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   840] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   835] <... futex resumed>)        = 0
[pid   840] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   835] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   840] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   835] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   840] <... futex resumed>)        = 0
[pid   835] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   840] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   835] <... futex resumed>)        = 0
[pid   840] <... openat resumed>)       = 3
[pid   835] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   840] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   835] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   840] <... futex resumed>)        = 0
[pid   835] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   840] write(3, "\x38\x00", 2 <unfinished ...>
[pid   835] <... futex resumed>)        = 0
[pid   840] <... write resumed>)        = 2
[pid   835] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   840] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   835] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   840] <... futex resumed>)        = 0
[pid   835] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   840] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   835] <... futex resumed>)        = 0
[pid   840] <... openat resumed>)       = 4
[pid   835] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   840] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   840] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   835] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   835] exit_group(0)               = ?
[pid   840] <... futex resumed>)        = ?
[pid   840] +++ exited with 0 +++
[pid   835] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=835, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 841 attached
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 841
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   841] set_robust_list(0x55557716c6a0, 24) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   841] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   841] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   841] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 842 attached
 <unfinished ...>
[pid   841] <... prctl resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   842] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   841] setpgid(0, 0 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 842
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   842] <... set_robust_list resumed>) = 0
[pid   841] <... setpgid resumed>)      = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 843
ci2-android-6-12-rust/strace-static-x86_64: Process 843 attached
[pid   842] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   843] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   842] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   841] <... openat resumed>)       = 3
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 844 attached
[pid   843] <... set_robust_list resumed>) = 0
[pid   842] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   841] write(3, "1000", 4 <unfinished ...>
[pid   844] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   843] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   844] <... set_robust_list resumed>) = 0
[pid   841] <... write resumed>)        = 4
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 844
[pid   842] <... prctl resumed>)        = 0
[pid   841] close(3 <unfinished ...>
[pid   842] setpgid(0, 0 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   844] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   842] <... setpgid resumed>)      = 0
[pid   841] <... close resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   844] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   841] write(1, "executing program\n", 18 <unfinished ...>
[pid   842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   841] <... write resumed>)        = 18
executing program
[pid   844] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   843] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   842] <... openat resumed>)       = 3
[pid   841] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   844] <... prctl resumed>)        = 0
[pid   843] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   844] setpgid(0, 0 <unfinished ...>
[pid   843] <... prctl resumed>)        = 0
[pid   842] write(3, "1000", 4 <unfinished ...>
[pid   843] setpgid(0, 0)               = 0
[pid   842] <... write resumed>)        = 4
[pid   844] <... setpgid resumed>)      = 0
[pid   843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   841] <... futex resumed>)        = 0
[pid   843] write(3, "1000", 4)         = 4
[pid   844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   843] close(3 <unfinished ...>
[pid   842] close(3 <unfinished ...>
[pid   841] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   843] <... close resumed>)        = 0
[pid   843] write(1, "executing program\n", 18 <unfinished ...>
[pid   842] <... close resumed>)        = 0
[pid   841] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   843] <... write resumed>)        = 18
executing program
[pid   842] write(1, "executing program\n", 18 <unfinished ...>
[pid   841] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   844] <... openat resumed>)       = 3
executing program
[pid   843] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   844] write(3, "1000", 4 <unfinished ...>
[pid   842] <... write resumed>)        = 18
[pid   841] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   844] <... write resumed>)        = 4
[pid   843] <... futex resumed>)        = 0
[pid   843] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   844] close(3 <unfinished ...>
[pid   843] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   842] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   841] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   844] <... close resumed>)        = 0
[pid   843] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   844] write(1, "executing program\n", 18 <unfinished ...>
[pid   841] <... mmap resumed>)         = 0x7fb4de009000
[pid   844] <... write resumed>)        = 18
[pid   843] <... mmap resumed>)         = 0x7fb4de009000
[pid   842] <... futex resumed>)        = 0
executing program
[pid   841] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   844] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   843] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   842] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   841] <... mprotect resumed>)     = 0
[pid   842] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   844] <... futex resumed>)        = 0
[pid   843] <... mprotect resumed>)     = 0
[pid   844] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   843] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   842] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   843] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   841] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   844] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   842] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 845 attached
 <unfinished ...>
[pid   842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   844] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   845] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   843] <... clone3 resumed> => {parent_tid=[845]}, 88) = 845
[pid   841] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   845] <... set_robust_list resumed>) = 0
[pid   844] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   843] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   842] <... mmap resumed>)         = 0x7fb4de009000
[pid   841] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   845] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   843] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   845] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   844] <... mmap resumed>)         = 0x7fb4de009000
[pid   843] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   842] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITEci2-android-6-12-rust/strace-static-x86_64: Process 846 attached
 <unfinished ...>
[pid   845] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   844] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   843] <... futex resumed>)        = 0
[pid   846] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   845] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   843] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   842] <... mprotect resumed>)     = 0
[pid   846] <... set_robust_list resumed>) = 0
[pid   845] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   843] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   846] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   845] <... futex resumed>)        = 0
[pid   843] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   846] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   845] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   843] <... futex resumed>)        = 0
[pid   846] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   845] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   843] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   845] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   843] <... futex resumed>)        = 0
[pid   845] <... futex resumed>)        = 1
[pid   843] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   845] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   843] <... futex resumed>)        = 0
[pid   845] <... openat resumed>)       = 3
[pid   843] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   845] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   844] <... mprotect resumed>)     = 0
[pid   845] <... futex resumed>)        = 1
[pid   843] <... futex resumed>)        = 0
[pid   845] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   843] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   845] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   843] <... futex resumed>)        = 0
[pid   842] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   845] write(3, "\x38\x00", 2 <unfinished ...>
[pid   844] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   842] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   841] <... clone3 resumed> => {parent_tid=[846]}, 88) = 846
[pid   844] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   841] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   844] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   841] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   845] <... write resumed>)        = 2
[pid   843] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   845] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   843] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   841] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   845] <... futex resumed>)        = 0
[pid   843] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 847 attached
 <unfinished ...>
[pid   846] <... futex resumed>)        = 0
[pid   845] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   843] <... futex resumed>)        = 0
[pid   841] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 848 attached
[pid   847] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   846] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   845] <... openat resumed>)       = 4
[pid   843] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   848] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   847] <... set_robust_list resumed>) = 0
[pid   846] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   845] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   844] <... clone3 resumed> => {parent_tid=[847]}, 88) = 847
[pid   843] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   842] <... clone3 resumed> => {parent_tid=[848]}, 88) = 848
[pid   841] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   848] <... set_robust_list resumed>) = 0
[pid   847] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   846] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   845] <... futex resumed>)        = 0
[pid   844] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   843] exit_group(0 <unfinished ...>
[pid   842] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   841] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   848] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   847] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   846] <... futex resumed>)        = 0
[pid   844] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   843] <... exit_group resumed>)   = ?
[pid   842] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   841] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   848] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   847] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   846] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   845] +++ exited with 0 +++
[pid   844] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   843] +++ exited with 0 +++
[pid   841] <... futex resumed>)        = 0
[pid   848] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   847] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   844] <... futex resumed>)        = 0
[pid   841] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   847] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   846] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   844] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   842] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   847] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   846] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   841] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=843, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   841] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   848] <... futex resumed>)        = 0
[pid   842] <... futex resumed>)        = 1
[pid   841] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   847] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   846] <... futex resumed>)        = 0
[pid   848] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   847] <... futex resumed>)        = 1
[pid   846] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   844] <... futex resumed>)        = 0
[pid   842] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   841] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   847] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   846] <... openat resumed>)       = 3
[pid   844] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   847] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   846] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   844] <... futex resumed>)        = 0
[pid   847] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   846] <... futex resumed>)        = 0
[pid   844] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   847] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   846] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   847] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   844] <... futex resumed>)        = 0
[pid   847] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   844] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   848] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   847] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   844] <... futex resumed>)        = 0
[pid   841] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... restart_syscall resumed>) = 0
[pid   848] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   847] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   844] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   841] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   848] <... futex resumed>)        = 1
[pid   847] <... openat resumed>)       = 3
[pid   846] <... futex resumed>)        = 0
[pid   842] <... futex resumed>)        = 0
[pid   841] <... futex resumed>)        = 1
[pid   848] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   846] write(3, "\x38\x00", 2 <unfinished ...>
[pid   848] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   847] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   846] <... write resumed>)        = 2
[pid   842] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   841] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   848] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   847] <... futex resumed>)        = 1
[pid   846] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   844] <... futex resumed>)        = 0
[pid   842] <... futex resumed>)        = 0
[pid   841] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   848] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   847] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   846] <... futex resumed>)        = 0
[pid   844] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   842] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   841] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   848] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   847] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   846] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   844] <... futex resumed>)        = 0
[pid   842] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   841] <... futex resumed>)        = 0
[pid   848] <... futex resumed>)        = 0
[pid   847] write(3, "\x38\x00", 2 <unfinished ...>
[pid   846] <... openat resumed>)       = 4
[pid   844] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   841] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   848] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   847] <... write resumed>)        = 2
[pid   848] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   842] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   848] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   847] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   846] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   848] <... openat resumed>)       = 3
[pid   847] <... futex resumed>)        = 1
[pid   846] <... futex resumed>)        = 1
[pid   844] <... futex resumed>)        = 0
[pid   842] <... futex resumed>)        = 0
[pid   841] <... futex resumed>)        = 0
[pid   848] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   847] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   846] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   844] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   842] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   848] <... futex resumed>)        = 0
[pid   847] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   844] <... futex resumed>)        = 0
[pid   841] exit_group(0 <unfinished ...>
[pid   848] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   847] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   844] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   842] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 849 attached
[pid   847] <... openat resumed>)       = 4
[pid   846] <... futex resumed>)        = ?
[pid   842] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   841] <... exit_group resumed>)   = ?
[pid   848] <... futex resumed>)        = 0
[pid   846] +++ exited with 0 +++
[pid   842] <... futex resumed>)        = 1
[pid   849] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   847] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   849] <... set_robust_list resumed>) = 0
[pid   847] <... futex resumed>)        = 1
[pid   844] <... futex resumed>)        = 0
[pid   849] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   847] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   844] exit_group(0 <unfinished ...>
[pid   849] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   847] <... futex resumed>)        = ?
[pid   844] <... exit_group resumed>)   = ?
[pid   849] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   848] write(3, "\x38\x00", 2 <unfinished ...>
[pid   847] +++ exited with 0 +++
[pid   844] +++ exited with 0 +++
[pid   842] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   841] +++ exited with 0 +++
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 849
[pid   849] <... prctl resumed>)        = 0
[pid   848] <... write resumed>)        = 2
[pid   848] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   848] <... futex resumed>)        = 1
[pid   842] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=841, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=844, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   848] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   842] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   842] <... futex resumed>)        = 0
[pid   849] setpgid(0, 0)               = 0
[pid   842] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   848] <... openat resumed>)       = 4
[pid   849] write(3, "1000", 4)         = 4
[pid   848] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   849] close(3)                    = 0
[pid   849] write(1, "executing program\n", 18) = 18
[pid   849] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid   849] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   849] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   848] <... futex resumed>)        = 1
[pid   842] <... futex resumed>)        = 0
[pid   848] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   849] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   842] exit_group(0 <unfinished ...>
[pid   849] <... mprotect resumed>)     = 0
[pid   842] <... exit_group resumed>)   = ?
[pid   848] <... futex resumed>)        = ?
[pid   849] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   848] +++ exited with 0 +++
[pid   849] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   849] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 850 attached
 <unfinished ...>
[pid   850] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   849] <... clone3 resumed> => {parent_tid=[850]}, 88) = 850
[pid   850] <... set_robust_list resumed>) = 0
[pid   849] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   850] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   849] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   850] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   849] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   850] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid   849] <... futex resumed>)        = 0
[pid   849] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   850] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   849] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   850] <... futex resumed>)        = 0
[pid   849] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   850] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   849] <... futex resumed>)        = 0
[pid   850] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   849] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   850] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   849] <... futex resumed>)        = 0
[pid   849] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   850] <... futex resumed>)        = 1
[pid   849] <... futex resumed>)        = 0
[pid   850] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   849] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   850] <... openat resumed>)       = 3
[pid   850] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   850] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   849] <... futex resumed>)        = 0
[pid   849] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   850] <... futex resumed>)        = 0
[pid   849] <... futex resumed>)        = 1
[pid   850] write(3, "\x38\x00", 2 <unfinished ...>
[pid   849] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   850] <... write resumed>)        = 2
[pid   842] +++ exited with 0 +++
[pid   850] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   849] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=842, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   850] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   849] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   850] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... restart_syscall resumed>) = 0
[pid   850] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   849] <... futex resumed>)        = 0
[pid   850] <... openat resumed>)       = 4
[pid   849] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   850] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   850] <... futex resumed>)        = 1
[pid   849] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   850] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   849] exit_group(0 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   850] <... futex resumed>)        = ?
[pid   850] +++ exited with 0 +++
[pid   849] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 851 attached
[pid   849] +++ exited with 0 +++
[pid   314] <... restart_syscall resumed>) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 851
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=849, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   851] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   851] <... set_robust_list resumed>) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   851] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 852 attached
 <unfinished ...>
[pid   851] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 852
[pid   851] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   852] set_robust_list(0x55557716c6a0, 24) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   851] <... prctl resumed>)        = 0
[pid   852] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   851] setpgid(0, 0 <unfinished ...>
[pid   852] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   851] <... setpgid resumed>)      = 0
[pid   852] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   852] <... prctl resumed>)        = 0
[pid   852] setpgid(0, 0 <unfinished ...>
[pid   851] <... openat resumed>)       = 3
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   852] <... setpgid resumed>)      = 0
[pid   851] write(3, "1000", 4)         = 4
[pid   851] close(3)                    = 0
[pid   851] write(1, "executing program\n", 18) = 18
[pid   851] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   851] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}ci2-android-6-12-rust/strace-static-x86_64: Process 853 attached
executing program
 <unfinished ...>
[pid   852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   851] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   853] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   851] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   853] <... set_robust_list resumed>) = 0
[pid   852] <... openat resumed>)       = 3
[pid   851] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   853] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   852] write(3, "1000", 4 <unfinished ...>
[pid   851] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 853
[pid   852] <... write resumed>)        = 4
[pid   853] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   852] close(3 <unfinished ...>
[pid   851] <... mmap resumed>)         = 0x7fb4de009000
[pid   853] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   852] <... close resumed>)        = 0
[pid   851] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   852] write(1, "executing program\n", 18 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   852] <... write resumed>)        = 18
executing program
[pid   853] <... prctl resumed>)        = 0
[pid   852] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   851] <... mprotect resumed>)     = 0
[pid   853] setpgid(0, 0 <unfinished ...>
[pid   852] <... futex resumed>)        = 0
[pid   851] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   853] <... setpgid resumed>)      = 0
[pid   852] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   851] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   852] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   851] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   853] <... openat resumed>)       = 3
[pid   852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   851] <... clone3 resumed> => {parent_tid=[854]}, 88) = 854
[pid   853] write(3, "1000", 4 <unfinished ...>
[pid   851] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   853] <... write resumed>)        = 4
[pid   853] close(3 <unfinished ...>
[pid   851] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   853] <... close resumed>)        = 0
[pid   851] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   851] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   853] write(1, "executing program\n", 18) = 18
[pid   853] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   853] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   853] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
executing program
[pid   853] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   853] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   853] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 854 attached
 <unfinished ...>
[pid   852] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   854] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   854] <... set_robust_list resumed>) = 0
[pid   852] <... mmap resumed>)         = 0x7fb4de009000
[pid   853] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   854] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   853] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   852] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   854] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   853] <... clone3 resumed> => {parent_tid=[855]}, 88) = 855
[pid   854] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   853] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   852] <... mprotect resumed>)     = 0
[pid   854] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   853] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 855 attached
 <unfinished ...>
[pid   854] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   852] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   855] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   854] <... futex resumed>)        = 1
[pid   853] <... futex resumed>)        = 0
[pid   852] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   851] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   855] <... set_robust_list resumed>) = 0
[pid   854] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   853] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   851] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   851] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   855] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 856 attached
 <unfinished ...>
[pid   854] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 857 attached
[pid   855] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   854] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   857] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   856] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   852] <... clone3 resumed> => {parent_tid=[857]}, 88) = 857
[pid   857] <... set_robust_list resumed>) = 0
[pid   856] <... set_robust_list resumed>) = 0
[pid   855] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   854] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   852] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 856
[pid   857] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   856] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   855] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   854] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   857] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   856] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   855] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   852] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   854] <... futex resumed>)        = 1
[pid   851] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   857] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   856] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   855] <... futex resumed>)        = 1
[pid   854] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   852] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   851] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   857] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   856] <... prctl resumed>)        = 0
[pid   855] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   854] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   852] <... futex resumed>)        = 0
[pid   851] <... futex resumed>)        = 0
[pid   857] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   856] setpgid(0, 0 <unfinished ...>
[pid   854] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   852] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   851] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   857] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   856] <... setpgid resumed>)      = 0
[pid   854] <... openat resumed>)       = 3
[pid   857] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   854] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   853] <... futex resumed>)        = 0
[pid   852] <... futex resumed>)        = 0
[pid   853] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   855] <... futex resumed>)        = 0
[pid   853] <... futex resumed>)        = 1
[pid   855] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   853] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   857] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   855] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   854] <... futex resumed>)        = 1
[pid   852] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   855] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   853] <... futex resumed>)        = 0
[pid   857] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   856] <... openat resumed>)       = 3
[pid   855] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   854] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   853] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   852] <... futex resumed>)        = 0
[pid   851] <... futex resumed>)        = 0
[pid   857] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   856] write(3, "1000", 4 <unfinished ...>
[pid   855] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   853] <... futex resumed>)        = 0
[pid   852] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   851] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   855] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   853] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   851] <... futex resumed>)        = 1
[pid   857] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   856] <... write resumed>)        = 4
[pid   855] <... openat resumed>)       = 3
[pid   854] <... futex resumed>)        = 0
[pid   851] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   857] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   856] close(3 <unfinished ...>
[pid   855] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   854] write(3, "\x38\x00", 2 <unfinished ...>
[pid   857] <... futex resumed>)        = 1
[pid   856] <... close resumed>)        = 0
[pid   855] <... futex resumed>)        = 1
[pid   854] <... write resumed>)        = 2
[pid   853] <... futex resumed>)        = 0
[pid   852] <... futex resumed>)        = 0
[pid   857] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
executing program
[pid   856] write(1, "executing program\n", 18 <unfinished ...>
[pid   855] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   854] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   853] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   852] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   857] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   856] <... write resumed>)        = 18
[pid   855] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   854] <... futex resumed>)        = 1
[pid   853] <... futex resumed>)        = 0
[pid   851] <... futex resumed>)        = 0
[pid   857] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   856] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   855] write(3, "\x38\x00", 2 <unfinished ...>
[pid   854] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   853] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   852] <... futex resumed>)        = 0
[pid   851] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   857] <... openat resumed>)       = 3
[pid   856] <... futex resumed>)        = 0
[pid   855] <... write resumed>)        = 2
[pid   854] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   852] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   857] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   856] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   855] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   854] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   852] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   857] <... futex resumed>)        = 0
[pid   856] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   855] <... futex resumed>)        = 1
[pid   853] <... futex resumed>)        = 0
[pid   857] write(3, "\x38\x00", 2 <unfinished ...>
[pid   856] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   855] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   854] <... openat resumed>)       = 4
[pid   853] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   852] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   851] <... futex resumed>)        = 0
[pid   857] <... write resumed>)        = 2
[pid   851] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   856] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   856] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   856] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   855] <... openat resumed>)       = 4
[pid   857] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   854] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   853] <... futex resumed>)        = 0
[pid   852] <... futex resumed>)        = 0
[pid   857] <... futex resumed>)        = 0
[pid   856] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   855] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   854] <... futex resumed>)        = 1
[pid   853] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   852] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   851] <... futex resumed>)        = 0
[pid   857] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   856] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   855] <... futex resumed>)        = 0
[pid   854] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   853] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   852] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   851] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 858 attached
 <unfinished ...>
[pid   855] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   854] <... futex resumed>)        = ?
[pid   853] exit_group(0 <unfinished ...>
[pid   852] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   851] <... exit_group resumed>)   = ?
[pid   858] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   857] <... futex resumed>)        = 0
[pid   856] <... clone3 resumed> => {parent_tid=[858]}, 88) = 858
[pid   855] <... futex resumed>)        = ?
[pid   854] +++ exited with 0 +++
[pid   853] <... exit_group resumed>)   = ?
[pid   852] <... futex resumed>)        = 1
[pid   851] +++ exited with 0 +++
[pid   858] <... set_robust_list resumed>) = 0
[pid   857] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   856] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   856] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   857] <... openat resumed>)       = 4
[pid   852] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   857] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=851, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   857] <... futex resumed>)        = 0
[pid   858] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   856] <... futex resumed>)        = 0
[pid   856] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   852] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   852] exit_group(0 <unfinished ...>
[pid   858] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   855] +++ exited with 0 +++
[pid   853] +++ exited with 0 +++
[pid   852] <... exit_group resumed>)   = ?
[pid   858] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   857] +++ exited with 0 +++
[pid   852] +++ exited with 0 +++
[pid   858] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=852, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=853, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   858] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   858] <... futex resumed>)        = 1
[pid   858] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   856] <... futex resumed>)        = 0
[pid   856] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   856] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   858] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   858] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   858] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   856] <... futex resumed>)        = 0
[pid   856] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   856] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   858] <... futex resumed>)        = 1
[pid   858] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid   858] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   856] <... futex resumed>)        = 0
[pid   858] <... futex resumed>)        = 1
[pid   856] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   858] write(3, "\x38\x00", 2 <unfinished ...>
[pid   856] <... futex resumed>)        = 0
[pid   858] <... write resumed>)        = 2
[pid   856] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   858] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   856] <... futex resumed>)        = 0
[pid   858] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   856] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   858] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   856] <... futex resumed>)        = 0
[pid   858] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   856] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   858] <... openat resumed>)       = 4
[pid   858] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   856] <... futex resumed>)        = 0
[pid   858] <... futex resumed>)        = 1
[pid   856] exit_group(0 <unfinished ...>
[pid   858] +++ exited with 0 +++
[pid   856] <... exit_group resumed>)   = ?
[pid   856] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=856, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 859 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 860 attached
 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 859
[pid   859] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   860] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   859] <... set_robust_list resumed>) = 0
[pid   860] <... set_robust_list resumed>) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   859] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   860] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   859] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   860] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 860
[pid   860] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   859] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   860] <... prctl resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   859] <... prctl resumed>)        = 0
[pid   860] setpgid(0, 0 <unfinished ...>
[pid   859] setpgid(0, 0 <unfinished ...>
[pid   860] <... setpgid resumed>)      = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   859] <... setpgid resumed>)      = 0
[pid   859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   859] <... openat resumed>)       = 3
[pid   860] <... openat resumed>)       = 3
[pid   860] write(3, "1000", 4)         = 4
ci2-android-6-12-rust/strace-static-x86_64: Process 861 attached
[pid   859] write(3, "1000", 4 <unfinished ...>
[pid   861] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   859] <... write resumed>)        = 4
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 861
[pid   859] close(3 <unfinished ...>
[pid   861] <... set_robust_list resumed>) = 0
[pid   859] <... close resumed>)        = 0
[pid   860] close(3 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   861] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   859] write(1, "executing program\n", 18 <unfinished ...>
[pid   860] <... close resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   861] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   859] <... write resumed>)        = 18
executing program
[pid   861] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   859] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid   860] write(1, "executing program\n", 18 <unfinished ...>
[pid   861] <... prctl resumed>)        = 0
[pid   859] <... futex resumed>)        = 0
[pid   860] <... write resumed>)        = 18
[pid   861] setpgid(0, 0 <unfinished ...>
[pid   859] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   860] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   861] <... setpgid resumed>)      = 0
[pid   859] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   859] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   860] <... futex resumed>)        = 0
[pid   860] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   861] <... openat resumed>)       = 3
[pid   859] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   860] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   861] write(3, "1000", 4 <unfinished ...>
[pid   859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   860] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   861] <... write resumed>)        = 4
[pid   859] <... mmap resumed>)         = 0x7fb4de009000
[pid   860] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   861] close(3 <unfinished ...>
[pid   859] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   860] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   861] <... close resumed>)        = 0
[pid   860] <... mmap resumed>)         = 0x7fb4de009000
[pid   313] <... restart_syscall resumed>) = 0
[pid   861] write(1, "executing program\n", 18 <unfinished ...>
[pid   859] <... mprotect resumed>)     = 0
executing program
[pid   860] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   861] <... write resumed>)        = 18
[pid   859] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   860] <... mprotect resumed>)     = 0
[pid   861] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   859] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   860] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   861] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   859] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   860] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   861] <... rt_sigaction resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 862 attached
[pid   861] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   860] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 864 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 863 attached
 <unfinished ...>
[pid   862] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   861] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   859] <... clone3 resumed> => {parent_tid=[862]}, 88) = 862
[pid   864] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   863] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   862] <... set_robust_list resumed>) = 0
[pid   861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   859] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   860] <... clone3 resumed> => {parent_tid=[863]}, 88) = 863
[pid   864] <... set_robust_list resumed>) = 0
[pid   863] <... set_robust_list resumed>) = 0
[pid   862] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   861] <... mmap resumed>)         = 0x7fb4de009000
[pid   859] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   860] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 864
[pid   864] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   863] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   862] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   861] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   859] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   864] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   863] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   862] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   863] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   861] <... mprotect resumed>)     = 0
[pid   864] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   859] <... futex resumed>)        = 0
[pid   860] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   864] <... prctl resumed>)        = 0
[pid   862] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   861] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   859] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   860] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   864] setpgid(0, 0 <unfinished ...>
[pid   862] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   863] <... futex resumed>)        = 0
[pid   861] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   859] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   860] <... futex resumed>)        = 1
[pid   864] <... setpgid resumed>)      = 0
[pid   863] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   862] <... futex resumed>)        = 0
[pid   861] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   859] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   860] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   862] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   863] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   859] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 865 attached
[pid   863] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   862] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   865] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   864] <... openat resumed>)       = 3
[pid   863] <... futex resumed>)        = 1
[pid   862] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   861] <... clone3 resumed> => {parent_tid=[865]}, 88) = 865
[pid   859] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   860] <... futex resumed>)        = 0
[pid   865] <... set_robust_list resumed>) = 0
[pid   864] write(3, "1000", 4 <unfinished ...>
[pid   863] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   862] <... futex resumed>)        = 0
[pid   861] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   859] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   864] <... write resumed>)        = 4
[pid   862] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   861] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   859] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   864] close(3 <unfinished ...>
[pid   862] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   861] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   859] <... futex resumed>)        = 0
[pid   864] <... close resumed>)        = 0
[pid   862] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   861] <... futex resumed>)        = 0
[pid   859] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   864] write(1, "executing program\n", 18 <unfinished ...>
[pid   862] <... openat resumed>)       = 3
[pid   861] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   864] <... write resumed>)        = 18
executing program
[pid   862] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   865] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   864] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   862] <... futex resumed>)        = 1
[pid   859] <... futex resumed>)        = 0
[pid   860] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   865] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   864] <... futex resumed>)        = 0
[pid   863] <... futex resumed>)        = 0
[pid   862] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   859] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   860] <... futex resumed>)        = 1
[pid   865] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   864] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   863] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   862] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   859] <... futex resumed>)        = 0
[pid   860] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   865] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   864] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   863] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   862] write(3, "\x38\x00", 2 <unfinished ...>
[pid   859] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   865] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   864] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   865] <... futex resumed>)        = 1
[pid   863] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   862] <... write resumed>)        = 2
[pid   861] <... futex resumed>)        = 0
[pid   865] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   864] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   863] <... futex resumed>)        = 1
[pid   862] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   860] <... futex resumed>)        = 0
[pid   864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   863] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   862] <... futex resumed>)        = 1
[pid   861] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   859] <... futex resumed>)        = 0
[pid   860] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   865] <... futex resumed>)        = 0
[pid   864] <... mmap resumed>)         = 0x7fb4de009000
[pid   863] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   862] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   861] <... futex resumed>)        = 1
[pid   859] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   860] <... futex resumed>)        = 0
[pid   865] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   864] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   863] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   861] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   859] <... futex resumed>)        = 0
[pid   860] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   865] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   864] <... mprotect resumed>)     = 0
[pid   863] <... openat resumed>)       = 3
[pid   862] <... openat resumed>)       = 4
[pid   859] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   865] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   863] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   862] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   861] <... futex resumed>)        = 0
[pid   865] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   864] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   863] <... futex resumed>)        = 1
[pid   862] <... futex resumed>)        = 1
[pid   861] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   859] <... futex resumed>)        = 0
[pid   860] <... futex resumed>)        = 0
[pid   865] <... futex resumed>)        = 0
[pid   864] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   863] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   862] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   861] <... futex resumed>)        = 1
[pid   859] exit_group(0 <unfinished ...>
[pid   860] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   865] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   864] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   863] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   862] <... futex resumed>)        = ?
[pid   861] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   859] <... exit_group resumed>)   = ?
[pid   860] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 866 attached
[pid   865] <... openat resumed>)       = 3
[pid   863] write(3, "\x38\x00", 2 <unfinished ...>
[pid   862] +++ exited with 0 +++
[pid   860] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   866] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   865] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   865] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   866] <... set_robust_list resumed>) = 0
[pid   859] +++ exited with 0 +++
[pid   863] <... write resumed>)        = 2
[pid   866] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   864] <... clone3 resumed> => {parent_tid=[866]}, 88) = 866
[pid   861] <... futex resumed>)        = 0
[pid   863] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   861] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   864] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   863] <... futex resumed>)        = 1
[pid   861] <... futex resumed>)        = 1
[pid   860] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=859, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   864] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   863] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   861] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   860] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   864] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   863] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   864] <... futex resumed>)        = 0
[pid   860] <... futex resumed>)        = 0
[pid   863] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   864] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   860] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   866] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   865] <... futex resumed>)        = 0
[pid   863] <... openat resumed>)       = 4
[pid   866] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   865] write(3, "\x38\x00", 2 <unfinished ...>
[pid   863] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   866] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   865] <... write resumed>)        = 2
[pid   863] <... futex resumed>)        = 1
[pid   866] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   865] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   860] <... futex resumed>)        = 0
[pid   866] <... futex resumed>)        = 1
[pid   865] <... futex resumed>)        = 1
[pid   864] <... futex resumed>)        = 0
[pid   863] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   861] <... futex resumed>)        = 0
[pid   860] exit_group(0 <unfinished ...>
[pid   866] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   865] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   864] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   861] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   866] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   865] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   864] <... futex resumed>)        = 0
[pid   863] <... futex resumed>)        = ?
[pid   861] <... futex resumed>)        = 0
[pid   860] <... exit_group resumed>)   = ?
[pid   315] <... restart_syscall resumed>) = 0
[pid   866] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   865] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   864] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   866] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   865] <... openat resumed>)       = 4
[pid   863] +++ exited with 0 +++
[pid   861] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   866] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   865] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   864] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   860] +++ exited with 0 +++
[pid   861] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   866] <... futex resumed>)        = 0
[pid   865] <... futex resumed>)        = 0
[pid   864] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=860, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   866] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   865] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   861] exit_group(0 <unfinished ...>
[pid   864] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   866] <... openat resumed>)       = 3
[pid   865] <... futex resumed>)        = ?
[pid   864] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   861] <... exit_group resumed>)   = ?
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   866] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   865] +++ exited with 0 +++
[pid   864] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   866] <... futex resumed>)        = 0
[pid   866] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 867 attached
 <unfinished ...>
[pid   864] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   861] +++ exited with 0 +++
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   867] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   866] <... futex resumed>)        = 0
[pid   864] <... futex resumed>)        = 1
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=861, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   867] <... set_robust_list resumed>) = 0
[pid   866] write(3, "\x38\x00", 2 <unfinished ...>
[pid   864] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 867
[pid   867] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   866] <... write resumed>)        = 2
[pid   314] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 868 attached
 <unfinished ...>
[pid   867] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   866] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   867] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   866] <... futex resumed>)        = 0
[pid   866] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   867] <... prctl resumed>)        = 0
[pid   867] setpgid(0, 0)               = 0
[pid   867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   864] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   868] set_robust_list(0x55557716c6a0, 24) = 0
[pid   867] <... openat resumed>)       = 3
[pid   864] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   868] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   867] write(3, "1000", 4 <unfinished ...>
[pid   866] <... futex resumed>)        = 0
[pid   864] <... futex resumed>)        = 1
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 868
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   868] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   867] <... write resumed>)        = 4
[pid   866] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   864] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   868] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   867] close(3 <unfinished ...>
[pid   866] <... openat resumed>)       = 4
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   868] <... prctl resumed>)        = 0
[pid   867] <... close resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   868] setpgid(0, 0 <unfinished ...>
[pid   867] write(1, "executing program\n", 18 <unfinished ...>
[pid   866] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   867] <... write resumed>)        = 18
[pid   866] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 869 attached
executing program
[pid   868] <... setpgid resumed>)      = 0
[pid   867] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   866] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   864] <... futex resumed>)        = 0
[pid   869] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   867] <... futex resumed>)        = 0
[pid   867] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   864] exit_group(0 <unfinished ...>
[pid   869] <... set_robust_list resumed>) = 0
[pid   867] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   869] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   867] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   866] <... futex resumed>)        = ?
[pid   864] <... exit_group resumed>)   = ?
[pid   869] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   868] <... openat resumed>)       = 3
[pid   867] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   866] +++ exited with 0 +++
[pid   869] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   869] <... prctl resumed>)        = 0
[pid   867] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   869] setpgid(0, 0 <unfinished ...>
[pid   867] <... mprotect resumed>)     = 0
[pid   869] <... setpgid resumed>)      = 0
[pid   864] +++ exited with 0 +++
[pid   869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   867] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   868] write(3, "1000", 4 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=864, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 869
[pid   869] <... openat resumed>)       = 3
[pid   868] <... write resumed>)        = 4
[pid   867] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   868] close(3 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   868] <... close resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   868] write(1, "executing program\n", 18) = 18
executing program
[pid   869] write(3, "1000", 4 <unfinished ...>
[pid   868] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   869] <... write resumed>)        = 4
[pid   868] <... futex resumed>)        = 0
[pid   869] close(3 <unfinished ...>
[pid   867] <... clone3 resumed> => {parent_tid=[870]}, 88) = 870
[pid   869] <... close resumed>)        = 0
[pid   867] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   869] write(1, "executing program\n", 18 <unfinished ...>
[pid   867] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   869] <... write resumed>)        = 18
executing program
[pid   867] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 870 attached
 <unfinished ...>
[pid   869] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   868] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   867] <... futex resumed>)        = 0
[pid   869] <... futex resumed>)        = 0
[pid   868] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   867] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   870] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   870] <... set_robust_list resumed>) = 0
[pid   869] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   868] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   870] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   869] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   868] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   870] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   869] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 871 attached
 <unfinished ...>
[pid   869] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   869] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   868] <... mmap resumed>)         = 0x7fb4de009000
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 871
[pid   871] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   870] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   871] <... set_robust_list resumed>) = 0
[pid   869] <... mmap resumed>)         = 0x7fb4de009000
[pid   868] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   869] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   868] <... mprotect resumed>)     = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   871] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   869] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   868] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   871] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   870] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   868] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   870] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   869] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   868] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   869] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 872 attached
 <unfinished ...>
[pid   871] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   870] <... futex resumed>)        = 1
[pid   868] <... clone3 resumed> => {parent_tid=[873]}, 88) = 873
[pid   871] <... prctl resumed>)        = 0
[pid   870] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   868] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 873 attached
 <unfinished ...>
[pid   872] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   867] <... futex resumed>)        = 0
[pid   873] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   872] <... set_robust_list resumed>) = 0
[pid   871] setpgid(0, 0 <unfinished ...>
[pid   870] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   869] <... clone3 resumed> => {parent_tid=[872]}, 88) = 872
[pid   868] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   867] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   873] <... set_robust_list resumed>) = 0
[pid   872] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   871] <... setpgid resumed>)      = 0
[pid   870] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   869] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   868] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   867] <... futex resumed>)        = 0
[pid   873] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   872] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   869] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   867] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   873] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   872] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   870] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   869] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   868] <... futex resumed>)        = 0
[pid   873] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   872] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   869] <... futex resumed>)        = 0
[pid   872] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   870] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   869] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   868] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   873] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   872] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   871] <... openat resumed>)       = 3
[pid   870] <... futex resumed>)        = 1
[pid   867] <... futex resumed>)        = 0
[pid   873] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   872] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   870] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   871] write(3, "1000", 4 <unfinished ...>
[pid   867] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   873] <... futex resumed>)        = 1
[pid   872] <... futex resumed>)        = 1
[pid   871] <... write resumed>)        = 4
[pid   870] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   869] <... futex resumed>)        = 0
[pid   868] <... futex resumed>)        = 0
[pid   867] <... futex resumed>)        = 0
[pid   873] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   872] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   871] close(3 <unfinished ...>
[pid   870] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   869] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   868] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   867] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   873] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   872] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   871] <... close resumed>)        = 0
[pid   870] <... openat resumed>)       = 3
[pid   869] <... futex resumed>)        = 0
[pid   868] <... futex resumed>)        = 0
[pid   873] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   872] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   871] write(1, "executing program\n", 18 <unfinished ...>
[pid   870] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   869] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
executing program
[pid   868] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   873] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   872] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   871] <... write resumed>)        = 18
[pid   870] <... futex resumed>)        = 1
[pid   867] <... futex resumed>)        = 0
[pid   873] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   872] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   871] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   870] write(3, "\x38\x00", 2 <unfinished ...>
[pid   867] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   873] <... futex resumed>)        = 1
[pid   872] <... futex resumed>)        = 1
[pid   869] <... futex resumed>)        = 0
[pid   868] <... futex resumed>)        = 0
[pid   867] <... futex resumed>)        = 0
[pid   873] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   872] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   871] <... futex resumed>)        = 0
[pid   870] <... write resumed>)        = 2
[pid   869] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   868] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   867] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   873] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   872] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   871] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   870] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   869] <... futex resumed>)        = 0
[pid   868] <... futex resumed>)        = 0
[pid   867] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   873] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   872] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   871] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   870] <... futex resumed>)        = 0
[pid   869] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   868] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   867] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   873] <... openat resumed>)       = 3
[pid   872] <... openat resumed>)       = 3
[pid   871] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   870] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   867] <... futex resumed>)        = 0
[pid   873] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   872] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   871] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   867] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   873] <... futex resumed>)        = 1
[pid   872] <... futex resumed>)        = 1
[pid   869] <... futex resumed>)        = 0
[pid   873] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   872] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   870] <... openat resumed>)       = 4
[pid   869] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   872] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   869] <... futex resumed>)        = 0
[pid   872] write(3, "\x38\x00", 2 <unfinished ...>
[pid   869] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   872] <... write resumed>)        = 2
[pid   871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   868] <... futex resumed>)        = 0
[pid   870] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   872] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   871] <... mmap resumed>)         = 0x7fb4de009000
[pid   870] <... futex resumed>)        = 1
[pid   869] <... futex resumed>)        = 0
[pid   868] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   867] <... futex resumed>)        = 0
[pid   873] <... futex resumed>)        = 0
[pid   872] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   871] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   870] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   869] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   868] <... futex resumed>)        = 1
[pid   867] exit_group(0 <unfinished ...>
[pid   873] write(3, "\x38\x00", 2 <unfinished ...>
[pid   872] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   869] <... futex resumed>)        = 0
[pid   868] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   871] <... mprotect resumed>)     = 0
[pid   873] <... write resumed>)        = 2
[pid   872] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   870] <... futex resumed>)        = ?
[pid   869] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   867] <... exit_group resumed>)   = ?
[pid   873] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   872] <... openat resumed>)       = 4
[pid   871] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   873] <... futex resumed>)        = 1
[pid   873] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   872] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   869] <... futex resumed>)        = 0
[pid   869] exit_group(0 <unfinished ...>
[pid   872] <... futex resumed>)        = ?
[pid   869] <... exit_group resumed>)   = ?
[pid   872] +++ exited with 0 +++
[pid   871] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   870] +++ exited with 0 +++
[pid   869] +++ exited with 0 +++
[pid   868] <... futex resumed>)        = 0
[pid   867] +++ exited with 0 +++
[pid   871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   868] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=867, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 874 attached
 <unfinished ...>
[pid   873] <... futex resumed>)        = 0
[pid   868] <... futex resumed>)        = 1
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=869, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   871] <... clone3 resumed> => {parent_tid=[874]}, 88) = 874
[pid   868] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   874] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   873] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   871] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   874] <... set_robust_list resumed>) = 0
[pid   873] <... openat resumed>)       = 4
[pid   874] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   873] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   871] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   874] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   873] <... futex resumed>)        = 1
[pid   871] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   868] <... futex resumed>)        = 0
[pid   874] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   873] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   871] <... futex resumed>)        = 0
[pid   868] exit_group(0 <unfinished ...>
[pid   871] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   868] <... exit_group resumed>)   = ?
[pid   874] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   873] <... futex resumed>)        = ?
[pid   874] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   873] +++ exited with 0 +++
[pid   874] <... futex resumed>)        = 0
[pid   874] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   871] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   871] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   874] <... futex resumed>)        = 0
[pid   874] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   871] <... futex resumed>)        = 1
[pid   874] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   871] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   874] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   871] <... futex resumed>)        = 0
[pid   871] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   874] <... futex resumed>)        = 1
[pid   871] <... futex resumed>)        = 0
[pid   874] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid   871] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   874] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   871] <... futex resumed>)        = 0
[pid   874] <... futex resumed>)        = 1
[pid   871] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   874] write(3, "\x38\x00", 2 <unfinished ...>
[pid   871] <... futex resumed>)        = 0
[pid   874] <... write resumed>)        = 2
[pid   871] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   874] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   871] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   874] <... futex resumed>)        = 0
[pid   871] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   868] +++ exited with 0 +++
[pid   874] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid   871] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=868, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   871] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   874] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   871] <... futex resumed>)        = 0
[pid   871] exit_group(0)               = ?
[pid   314] <... restart_syscall resumed>) = 0
[pid   874] <... futex resumed>)        = ?
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   874] +++ exited with 0 +++
[pid   871] +++ exited with 0 +++
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 875 attached
 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=871, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 875
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   875] set_robust_list(0x55557716c6a0, 24) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   875] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   875] setpgid(0, 0)               = 0
[pid   875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   875] <... openat resumed>)       = 3
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   875] write(3, "1000", 4 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   875] <... write resumed>)        = 4
[pid   875] close(3)                    = 0
[pid   875] write(1, "executing program\n", 18) = 18
executing program
[pid   875] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   875] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   875] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   875] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   875] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   875] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   875] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 876 attached
 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 876
ci2-android-6-12-rust/strace-static-x86_64: Process 877 attached
[pid   876] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   875] <... clone3 resumed> => {parent_tid=[877]}, 88) = 877
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   876] <... set_robust_list resumed>) = 0
[pid   875] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   876] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   875] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   877] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   876] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   875] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   877] <... set_robust_list resumed>) = 0
[pid   876] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   875] <... futex resumed>)        = 0
[pid   877] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   876] <... prctl resumed>)        = 0
[pid   875] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   877] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   876] setpgid(0, 0)               = 0
[pid   877] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   877] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   877] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   876] <... openat resumed>)       = 3
[pid   876] write(3, "1000", 4 <unfinished ...>
[pid   877] <... futex resumed>)        = 1
[pid   875] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   877] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   876] <... write resumed>)        = 4
[pid   875] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   875] <... futex resumed>)        = 0
[pid   876] close(3 <unfinished ...>
[pid   875] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   877] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   876] <... close resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   876] write(1, "executing program\n", 18) = 18
executing program
[pid   876] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   876] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}ci2-android-6-12-rust/strace-static-x86_64: Process 878 attached
 <unfinished ...>
[pid   877] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   876] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   878] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   877] <... futex resumed>)        = 1
[pid   876] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   878] <... set_robust_list resumed>) = 0
[pid   877] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   876] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   875] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 878
[pid   878] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   877] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   875] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   878] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   877] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   876] <... mmap resumed>)         = 0x7fb4de009000
[pid   875] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   877] <... openat resumed>)       = 3
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   878] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   877] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   876] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   875] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   878] <... prctl resumed>)        = 0
[pid   877] <... futex resumed>)        = 0
[pid   876] <... mprotect resumed>)     = 0
[pid   875] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   878] setpgid(0, 0 <unfinished ...>
[pid   877] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   876] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   875] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 879 attached
 <unfinished ...>
[pid   878] <... setpgid resumed>)      = 0
[pid   877] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   875] <... futex resumed>)        = 0
[pid   876] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   875] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   876] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 880 attached
 <unfinished ...>
[pid   879] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   880] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   879] <... set_robust_list resumed>) = 0
[pid   878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   877] write(3, "\x38\x00", 2 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 879
[pid   880] <... set_robust_list resumed>) = 0
[pid   879] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   876] <... clone3 resumed> => {parent_tid=[880]}, 88) = 880
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   880] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   879] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   878] <... openat resumed>)       = 3
[pid   877] <... write resumed>)        = 2
[pid   876] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   880] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   879] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   877] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   876] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   880] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   879] <... prctl resumed>)        = 0
[pid   878] write(3, "1000", 4 <unfinished ...>
[pid   877] <... futex resumed>)        = 1
[pid   876] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   875] <... futex resumed>)        = 0
[pid   880] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   879] setpgid(0, 0 <unfinished ...>
[pid   877] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   876] <... futex resumed>)        = 0
[pid   875] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   878] <... write resumed>)        = 4
[pid   880] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   879] <... setpgid resumed>)      = 0
[pid   877] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   876] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   875] <... futex resumed>)        = 0
[pid   880] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   878] close(3 <unfinished ...>
[pid   877] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   875] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   880] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   878] <... close resumed>)        = 0
[pid   880] <... futex resumed>)        = 1
[pid   877] <... openat resumed>)       = 4
[pid   876] <... futex resumed>)        = 0
[pid   880] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   876] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   879] <... openat resumed>)       = 3
executing program
[pid   880] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   878] write(1, "executing program\n", 18 <unfinished ...>
[pid   877] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   876] <... futex resumed>)        = 0
[pid   879] write(3, "1000", 4 <unfinished ...>
[pid   878] <... write resumed>)        = 18
[pid   877] <... futex resumed>)        = 1
[pid   880] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   877] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   876] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   875] <... futex resumed>)        = 0
[pid   879] <... write resumed>)        = 4
[pid   880] <... futex resumed>)        = 0
[pid   879] close(3 <unfinished ...>
[pid   878] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   876] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   875] exit_group(0 <unfinished ...>
[pid   880] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   876] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   875] <... exit_group resumed>)   = ?
[pid   880] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   878] <... futex resumed>)        = 0
[pid   876] <... futex resumed>)        = 0
[pid   880] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   876] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   880] <... openat resumed>)       = 3
[pid   878] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   880] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   876] <... futex resumed>)        = 0
[pid   880] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   876] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   880] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   876] <... futex resumed>)        = 0
[pid   880] write(3, "\x38\x00", 2 <unfinished ...>
[pid   876] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   880] <... write resumed>)        = 2
[pid   880] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   876] <... futex resumed>)        = 0
[pid   880] <... futex resumed>)        = 1
[pid   876] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   880] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   876] <... futex resumed>)        = 0
[pid   880] <... openat resumed>)       = 4
[pid   879] <... close resumed>)        = 0
[pid   878] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   877] <... futex resumed>)        = ?
[pid   876] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   879] write(1, "executing program\n", 18 <unfinished ...>
[pid   878] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   880] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   876] <... futex resumed>)        = 0
[pid   880] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   876] exit_group(0 <unfinished ...>
[pid   880] <... futex resumed>)        = ?
[pid   880] +++ exited with 0 +++
[pid   876] <... exit_group resumed>)   = ?
executing program
[pid   879] <... write resumed>)        = 18
[pid   878] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   877] +++ exited with 0 +++
[pid   876] +++ exited with 0 +++
[pid   875] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=875, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   878] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=876, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   879] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   878] <... mmap resumed>)         = 0x7fb4de009000
[pid   879] <... futex resumed>)        = 0
[pid   878] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   879] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   879] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   878] <... mprotect resumed>)     = 0
[pid   879] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   878] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   879] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   878] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   879] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   878] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   879] <... mmap resumed>)         = 0x7fb4de009000
[pid   879] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITEci2-android-6-12-rust/strace-static-x86_64: Process 881 attached
) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 882 attached
[pid   881] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   879] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   882] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   881] <... set_robust_list resumed>) = 0
[pid   878] <... clone3 resumed> => {parent_tid=[882]}, 88) = 882
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 881
[pid   882] <... set_robust_list resumed>) = 0
[pid   881] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   878] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   882] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   881] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   878] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   882] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   882] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   881] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   879] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   878] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   882] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   881] <... prctl resumed>)        = 0
[pid   879] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   878] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 883 attached
[pid   882] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   881] setpgid(0, 0 <unfinished ...>
[pid   878] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   883] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   882] <... futex resumed>)        = 0
[pid   881] <... setpgid resumed>)      = 0
[pid   879] <... clone3 resumed> => {parent_tid=[883]}, 88) = 883
[pid   878] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   883] <... set_robust_list resumed>) = 0
[pid   882] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   879] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   883] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   882] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   879] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   878] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   883] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   882] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   881] <... openat resumed>)       = 3
[pid   879] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   883] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   879] <... futex resumed>)        = 0
[pid   878] <... futex resumed>)        = 0
[pid   883] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   882] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   881] write(3, "1000", 4 <unfinished ...>
[pid   879] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   883] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   882] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   881] <... write resumed>)        = 4
[pid   878] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   883] <... futex resumed>)        = 0
[pid   882] <... futex resumed>)        = 0
[pid   881] close(3 <unfinished ...>
[pid   883] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   882] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   878] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   881] <... close resumed>)        = 0
[pid   878] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   881] write(1, "executing program\n", 18 <unfinished ...>
[pid   882] <... futex resumed>)        = 0
[pid   878] <... futex resumed>)        = 1
[pid   882] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   881] <... write resumed>)        = 18
[pid   878] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   882] <... openat resumed>)       = 3
executing program
[pid   882] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   881] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   879] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   882] <... futex resumed>)        = 1
[pid   881] <... futex resumed>)        = 0
[pid   879] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   878] <... futex resumed>)        = 0
[pid   883] <... futex resumed>)        = 0
[pid   882] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   881] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   879] <... futex resumed>)        = 1
[pid   878] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   883] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   882] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   881] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   879] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   878] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   883] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   882] write(3, "\x38\x00", 2 <unfinished ...>
[pid   881] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   878] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   883] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   882] <... write resumed>)        = 2
[pid   881] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   883] <... futex resumed>)        = 1
[pid   882] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   879] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   883] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   881] <... mmap resumed>)         = 0x7fb4de009000
[pid   882] <... futex resumed>)        = 1
[pid   879] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   878] <... futex resumed>)        = 0
[pid   883] <... openat resumed>)       = 3
[pid   882] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   881] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   879] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   883] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   882] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   881] <... mprotect resumed>)     = 0
[pid   879] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   878] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   883] <... futex resumed>)        = 0
[pid   882] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   881] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   879] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   878] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 884 attached
[pid   879] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   879] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 884
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   883] write(3, "\x38\x00", 2 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   882] <... openat resumed>)       = 4
[pid   883] <... write resumed>)        = 2
[pid   881] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   878] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   884] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   883] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   882] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   881] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   878] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   884] <... set_robust_list resumed>) = 0
[pid   883] <... futex resumed>)        = 1
[pid   882] <... futex resumed>)        = 0
[pid   879] <... futex resumed>)        = 0
[pid   879] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   884] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   883] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   879] <... futex resumed>)        = 0
[pid   884] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   882] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   879] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   878] exit_group(0 <unfinished ...>
[pid   883] <... openat resumed>)       = 4
ci2-android-6-12-rust/strace-static-x86_64: Process 885 attached
[pid   884] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   883] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   882] <... futex resumed>)        = ?
[pid   878] <... exit_group resumed>)   = ?
[pid   884] <... prctl resumed>)        = 0
[pid   882] +++ exited with 0 +++
[pid   885] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   885] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   878] +++ exited with 0 +++
[pid   885] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   884] setpgid(0, 0 <unfinished ...>
[pid   883] <... futex resumed>)        = 1
[pid   881] <... clone3 resumed> => {parent_tid=[885]}, 88) = 885
[pid   879] <... futex resumed>)        = 0
[pid   884] <... setpgid resumed>)      = 0
[pid   883] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   881] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   879] exit_group(0 <unfinished ...>
[pid   884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   879] <... exit_group resumed>)   = ?
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=878, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   883] <... futex resumed>)        = ?
[pid   881] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   884] <... openat resumed>)       = 3
[pid   883] +++ exited with 0 +++
[pid   881] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   879] +++ exited with 0 +++
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   885] <... futex resumed>)        = 0
[pid   884] write(3, "1000", 4 <unfinished ...>
[pid   881] <... futex resumed>)        = 1
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=879, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   885] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   884] <... write resumed>)        = 4
[pid   881] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   884] close(3 <unfinished ...>
[pid   885] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   884] <... close resumed>)        = 0
[pid   885] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   884] write(1, "executing program\n", 18 <unfinished ...>
[pid   881] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   885] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   884] <... write resumed>)        = 18
[pid   881] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   884] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   881] <... futex resumed>)        = 0
[pid   884] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   884] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
executing program
[pid   881] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   885] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 886 attached
[pid   885] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   884] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   886] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   885] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   313] <... restart_syscall resumed>) = 0
[pid   886] <... set_robust_list resumed>) = 0
[pid   885] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   884] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 886
[pid   886] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   885] <... futex resumed>)        = 1
[pid   884] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   881] <... futex resumed>)        = 0
[pid   886] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   885] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   881] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   886] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   885] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   884] <... mmap resumed>)         = 0x7fb4de009000
[pid   881] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   886] <... prctl resumed>)        = 0
[pid   885] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   884] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   881] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 887 attached
[pid   886] setpgid(0, 0 <unfinished ...>
[pid   885] <... openat resumed>)       = 3
[pid   884] <... mprotect resumed>)     = 0
[pid   887] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   886] <... setpgid resumed>)      = 0
[pid   886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   885] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   884] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   887] <... set_robust_list resumed>) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 887
[pid   886] <... openat resumed>)       = 3
[pid   885] <... futex resumed>)        = 1
[pid   884] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   881] <... futex resumed>)        = 0
[pid   887] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   886] write(3, "1000", 4 <unfinished ...>
[pid   884] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   881] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 888 attached
 <unfinished ...>
[pid   887] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   886] <... write resumed>)        = 4
[pid   881] <... futex resumed>)        = 0
[pid   888] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   886] close(3 <unfinished ...>
[pid   884] <... clone3 resumed> => {parent_tid=[888]}, 88) = 888
[pid   881] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   888] <... set_robust_list resumed>) = 0
[pid   887] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   886] <... close resumed>)        = 0
[pid   885] write(3, "\x38\x00", 2 <unfinished ...>
[pid   884] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   888] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   887] <... prctl resumed>)        = 0
[pid   886] write(1, "executing program\n", 18 <unfinished ...>
[pid   885] <... write resumed>)        = 2
executing program
[pid   884] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   888] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   887] setpgid(0, 0 <unfinished ...>
[pid   886] <... write resumed>)        = 18
[pid   885] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   884] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   888] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   887] <... setpgid resumed>)      = 0
[pid   886] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   885] <... futex resumed>)        = 1
[pid   884] <... futex resumed>)        = 0
[pid   881] <... futex resumed>)        = 0
[pid   888] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   886] <... futex resumed>)        = 0
[pid   885] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   884] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   881] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   888] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   887] <... openat resumed>)       = 3
[pid   886] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   885] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   884] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   881] <... futex resumed>)        = 0
[pid   888] <... futex resumed>)        = 0
[pid   887] write(3, "1000", 4 <unfinished ...>
[pid   886] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   885] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   884] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   881] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   888] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   887] <... write resumed>)        = 4
[pid   886] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   885] <... openat resumed>)       = 4
[pid   884] <... futex resumed>)        = 0
[pid   888] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   887] close(3 <unfinished ...>
[pid   886] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   885] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   884] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   888] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   887] <... close resumed>)        = 0
[pid   886] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   885] <... futex resumed>)        = 1
[pid   881] <... futex resumed>)        = 0
[pid   888] <... futex resumed>)        = 0
[pid   887] write(1, "executing program\n", 18 <unfinished ...>
[pid   884] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
executing program
[pid   888] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   887] <... write resumed>)        = 18
[pid   886] <... mmap resumed>)         = 0x7fb4de009000
[pid   885] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   884] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   881] exit_group(0 <unfinished ...>
[pid   888] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   887] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   886] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   885] <... futex resumed>)        = ?
[pid   884] <... futex resumed>)        = 0
[pid   881] <... exit_group resumed>)   = ?
[pid   888] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   887] <... futex resumed>)        = 0
[pid   886] <... mprotect resumed>)     = 0
[pid   885] +++ exited with 0 +++
[pid   884] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   881] +++ exited with 0 +++
[pid   888] <... openat resumed>)       = 3
[pid   887] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   888] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   887] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   886] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=881, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   888] <... futex resumed>)        = 1
[pid   887] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   886] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   884] <... futex resumed>)        = 0
[pid   888] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   887] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   886] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   884] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   888] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   887] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 889 attached
 <unfinished ...>
[pid   888] write(3, "\x38\x00", 2 <unfinished ...>
[pid   884] <... futex resumed>)        = 0
[pid   889] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   888] <... write resumed>)        = 2
[pid   887] <... mmap resumed>)         = 0x7fb4de009000
[pid   884] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   889] <... set_robust_list resumed>) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   889] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   888] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   887] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   886] <... clone3 resumed> => {parent_tid=[889]}, 88) = 889
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   889] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   887] <... mprotect resumed>)     = 0
[pid   884] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   886] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   888] <... futex resumed>)        = 1
[pid   889] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   884] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   887] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 890 attached
[pid   888] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   886] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   884] <... futex resumed>)        = 0
[pid   887] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 891 attached
 <unfinished ...>
[pid   890] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   888] <... openat resumed>)       = 4
[pid   886] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   884] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 890
[pid   891] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   890] <... set_robust_list resumed>) = 0
[pid   889] <... futex resumed>)        = 0
[pid   888] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   884] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   891] <... set_robust_list resumed>) = 0
[pid   886] <... futex resumed>)        = 1
[pid   889] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   891] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   889] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   888] <... futex resumed>)        = 0
[pid   886] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   884] exit_group(0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   891] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   890] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   889] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   886] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   884] <... exit_group resumed>)   = ?
[pid   891] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   890] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   889] <... futex resumed>)        = 0
[pid   886] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   888] +++ exited with 0 +++
[pid   890] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   889] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   887] <... clone3 resumed> => {parent_tid=[891]}, 88) = 891
[pid   886] <... futex resumed>)        = 0
[pid   887] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   890] <... prctl resumed>)        = 0
[pid   887] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   884] +++ exited with 0 +++
[pid   891] <... futex resumed>)        = 0
[pid   890] setpgid(0, 0 <unfinished ...>
[pid   889] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   887] <... futex resumed>)        = 1
[pid   886] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=884, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   891] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   890] <... setpgid resumed>)      = 0
[pid   889] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   887] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   886] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   891] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   889] <... futex resumed>)        = 0
[pid   886] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   891] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   890] <... openat resumed>)       = 3
[pid   889] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   887] <... futex resumed>)        = 0
[pid   886] <... futex resumed>)        = 0
[pid   891] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   890] write(3, "1000", 4 <unfinished ...>
[pid   889] <... openat resumed>)       = 3
[pid   887] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   886] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   891] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   890] <... write resumed>)        = 4
[pid   889] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   887] <... futex resumed>)        = 0
[pid   886] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   891] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   890] close(3 <unfinished ...>
[pid   889] <... futex resumed>)        = 0
[pid   887] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   886] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   891] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   890] <... close resumed>)        = 0
[pid   889] write(3, "\x38\x00", 2 <unfinished ...>
[pid   886] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   891] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   890] write(1, "executing program\n", 18 <unfinished ...>
[pid   889] <... write resumed>)        = 2
[pid   886] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 892 attached
 <unfinished ...>
[pid   891] <... futex resumed>)        = 1
[pid   890] <... write resumed>)        = 18
[pid   889] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   887] <... futex resumed>)        = 0
executing program
[pid   886] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   892] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   891] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   890] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   889] <... futex resumed>)        = 0
[pid   887] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   892] <... set_robust_list resumed>) = 0
[pid   891] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   890] <... futex resumed>)        = 0
[pid   889] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   887] <... futex resumed>)        = 0
[pid   886] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 892
[pid   892] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   891] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   890] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   889] <... openat resumed>)       = 4
[pid   887] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   892] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   891] <... openat resumed>)       = 3
[pid   890] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   889] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   886] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   891] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   892] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   890] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   889] <... futex resumed>)        = 0
[pid   886] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   892] <... prctl resumed>)        = 0
[pid   891] <... futex resumed>)        = 1
[pid   890] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   889] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   887] <... futex resumed>)        = 0
[pid   886] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   892] setpgid(0, 0 <unfinished ...>
[pid   891] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   890] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   887] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   886] exit_group(0 <unfinished ...>
[pid   892] <... setpgid resumed>)      = 0
[pid   891] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   890] <... mmap resumed>)         = 0x7fb4de009000
[pid   887] <... futex resumed>)        = 0
[pid   887] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   886] <... exit_group resumed>)   = ?
[pid   892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   891] write(3, "\x38\x00", 2 <unfinished ...>
[pid   890] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   889] <... futex resumed>)        = ?
[pid   891] <... write resumed>)        = 2
[pid   890] <... mprotect resumed>)     = 0
[pid   892] <... openat resumed>)       = 3
[pid   892] write(3, "1000", 4)         = 4
[pid   892] close(3 <unfinished ...>
[pid   891] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   889] +++ exited with 0 +++
[pid   886] +++ exited with 0 +++
[pid   890] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   887] <... futex resumed>)        = 0
[pid   891] <... futex resumed>)        = 1
[pid   892] <... close resumed>)        = 0
[pid   891] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   890] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   887] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=886, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   892] write(1, "executing program\n", 18 <unfinished ...>
[pid   890] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   887] <... futex resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   887] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 893 attached
executing program
[pid   892] <... write resumed>)        = 18
[pid   891] <... openat resumed>)       = 4
[pid   893] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   892] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   893] <... set_robust_list resumed>) = 0
[pid   892] <... futex resumed>)        = 0
[pid   891] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   890] <... clone3 resumed> => {parent_tid=[893]}, 88) = 893
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   893] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   892] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   891] <... futex resumed>)        = 1
[pid   890] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   887] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   893] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   892] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   891] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   890] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   893] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   892] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   887] exit_group(0 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   893] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   892] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   890] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   887] <... exit_group resumed>)   = ?
[pid   892] <... mmap resumed>)         = 0x7fb4de009000
ci2-android-6-12-rust/strace-static-x86_64: Process 894 attached
[pid   892] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   891] <... futex resumed>)        = ?
[pid   893] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   892] <... mprotect resumed>)     = 0
[pid   890] <... futex resumed>)        = 0
[pid   894] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   892] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   894] <... set_robust_list resumed>) = 0
[pid   892] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   894] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   893] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   891] +++ exited with 0 +++
[pid   890] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   887] +++ exited with 0 +++
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 894
[pid   893] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   890] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   893] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   893] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   890] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 895 attached
[pid   894] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   893] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   890] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=887, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   895] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   894] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   893] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   892] <... clone3 resumed> => {parent_tid=[895]}, 88) = 895
[pid   890] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   895] <... set_robust_list resumed>) = 0
[pid   894] <... prctl resumed>)        = 0
[pid   893] <... futex resumed>)        = 0
[pid   890] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   895] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   893] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   890] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   895] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   893] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   890] <... futex resumed>)        = 0
[pid   895] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   893] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   890] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   894] setpgid(0, 0 <unfinished ...>
[pid   893] <... openat resumed>)       = 3
[pid   892] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   894] <... setpgid resumed>)      = 0
[pid   893] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   892] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   893] <... futex resumed>)        = 1
[pid   892] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   890] <... futex resumed>)        = 0
[pid   895] <... futex resumed>)        = 0
[pid   894] <... openat resumed>)       = 3
[pid   893] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   892] <... futex resumed>)        = 1
[pid   890] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   895] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   894] write(3, "1000", 4 <unfinished ...>
[pid   893] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   892] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   895] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   894] <... write resumed>)        = 4
[pid   893] write(3, "\x38\x00", 2 <unfinished ...>
[pid   890] <... futex resumed>)        = 0
[pid   895] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   894] close(3 <unfinished ...>
[pid   893] <... write resumed>)        = 2
[pid   890] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   895] <... futex resumed>)        = 1
[pid   894] <... close resumed>)        = 0
[pid   892] <... futex resumed>)        = 0
[pid   895] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   893] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   890] <... futex resumed>)        = 0
[pid   893] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   890] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   894] write(1, "executing program\n", 18 <unfinished ...>
[pid   892] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid   890] <... futex resumed>)        = 0
[pid   895] <... futex resumed>)        = 0
[pid   894] <... write resumed>)        = 18
[pid   893] <... openat resumed>)       = 4
[pid   892] <... futex resumed>)        = 1
[pid   895] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   894] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   893] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   892] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   890] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   895] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   894] <... futex resumed>)        = 0
[pid   893] <... futex resumed>)        = 0
[pid   895] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   890] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   895] <... futex resumed>)        = 1
[pid   893] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   895] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   894] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   892] <... futex resumed>)        = 0
[pid   890] exit_group(0 <unfinished ...>
[pid   894] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   892] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   894] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   893] <... futex resumed>)        = ?
[pid   892] <... futex resumed>)        = 1
[pid   890] <... exit_group resumed>)   = ?
[pid   895] <... futex resumed>)        = 0
[pid   894] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   892] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   894] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   894] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   894] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   893] +++ exited with 0 +++
[pid   890] +++ exited with 0 +++
[pid   895] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid   895] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=890, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   895] <... futex resumed>)        = 1
[pid   892] <... futex resumed>)        = 0
[pid   895] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   895] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   892] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   895] write(3, "\x38\x00", 2 <unfinished ...>
[pid   892] <... futex resumed>)        = 0
[pid   895] <... write resumed>)        = 2
[pid   892] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   895] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   892] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   895] <... futex resumed>)        = 0
[pid   892] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   895] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   892] <... futex resumed>)        = 0
[pid   895] <... openat resumed>)       = 4
[pid   894] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   892] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   895] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   894] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 896 attached
 <unfinished ...>
[pid   895] <... futex resumed>)        = 0
[pid   892] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   896] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   895] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   894] <... clone3 resumed> => {parent_tid=[896]}, 88) = 896
[pid   896] <... set_robust_list resumed>) = 0
[pid   894] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   892] exit_group(0 <unfinished ...>
[pid   896] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   894] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   896] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   895] <... futex resumed>)        = ?
[pid   894] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   892] <... exit_group resumed>)   = ?
[pid   895] +++ exited with 0 +++
[pid   894] <... futex resumed>)        = 0
[pid   896] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   894] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   896] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   896] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   892] +++ exited with 0 +++
[pid   896] <... futex resumed>)        = 1
[pid   894] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=892, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   896] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   894] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   896] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   894] <... futex resumed>)        = 0
[pid   896] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   894] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   896] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   896] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 897 attached
 <unfinished ...>
[pid   894] <... futex resumed>)        = 0
[pid   894] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   897] set_robust_list(0x55557716c6a0, 24) = 0
[pid   896] <... futex resumed>)        = 1
[pid   894] <... futex resumed>)        = 0
[pid   897] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   896] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   894] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   897] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   896] <... openat resumed>)       = 3
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 897
[pid   896] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   894] <... futex resumed>)        = 0
[pid   896] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   894] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   896] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   894] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   896] write(3, "\x38\x00", 2 <unfinished ...>
[pid   894] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   896] <... write resumed>)        = 2
[pid   897] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   896] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   897] <... prctl resumed>)        = 0
[pid   896] <... futex resumed>)        = 1
[pid   894] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   897] setpgid(0, 0 <unfinished ...>
[pid   896] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   894] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   897] <... setpgid resumed>)      = 0
[pid   896] <... openat resumed>)       = 4
[pid   894] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   894] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 898 attached
 <unfinished ...>
[pid   896] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   897] <... openat resumed>)       = 3
[pid   896] <... futex resumed>)        = 1
[pid   898] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   897] write(3, "1000", 4 <unfinished ...>
[pid   898] <... set_robust_list resumed>) = 0
[pid   897] <... write resumed>)        = 4
[pid   894] <... futex resumed>)        = 0
[pid   898] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   897] close(3 <unfinished ...>
[pid   894] exit_group(0 <unfinished ...>
[pid   898] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   897] <... close resumed>)        = 0
[pid   897] write(1, "executing program\n", 18 <unfinished ...>
[pid   896] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid   894] <... exit_group resumed>)   = ?
executing program
[pid   898] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   897] <... write resumed>)        = 18
[pid   896] +++ exited with 0 +++
[pid   894] +++ exited with 0 +++
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 898
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=894, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid   898] <... prctl resumed>)        = 0
[pid   897] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   898] setpgid(0, 0 <unfinished ...>
[pid   897] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   898] <... setpgid resumed>)      = 0
[pid   898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   897] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   898] <... openat resumed>)       = 3
[pid   897] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   898] write(3, "1000", 4 <unfinished ...>
[pid   897] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   898] <... write resumed>)        = 4
[pid   898] close(3 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   898] <... close resumed>)        = 0
[pid   897] <... mmap resumed>)         = 0x7fb4de009000
[pid   898] write(1, "executing program\n", 18) = 18
[pid   898] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   898] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   898] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   898] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
executing program
[pid   897] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITEci2-android-6-12-rust/strace-static-x86_64: Process 899 attached
 <unfinished ...>
[pid   898] <... mmap resumed>)         = 0x7fb4de009000
[pid   899] set_robust_list(0x55557716c6a0, 24) = 0
[pid   898] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   899] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   898] <... mprotect resumed>)     = 0
[pid   899] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   897] <... mprotect resumed>)     = 0
[pid   899] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   898] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   897] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 899
[pid   897] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   899] <... prctl resumed>)        = 0
[pid   898] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   897] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   899] setpgid(0, 0 <unfinished ...>
[pid   898] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 900 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 901 attached
 <unfinished ...>
[pid   899] <... setpgid resumed>)      = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   897] <... clone3 resumed> => {parent_tid=[901]}, 88) = 901
[pid   901] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   900] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   901] <... set_robust_list resumed>) = 0
[pid   900] <... set_robust_list resumed>) = 0
[pid   899] <... openat resumed>)       = 3
[pid   898] <... clone3 resumed> => {parent_tid=[900]}, 88) = 900
[pid   897] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   901] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   900] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   899] write(3, "1000", 4 <unfinished ...>
[pid   898] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   901] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   900] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   899] <... write resumed>)        = 4
[pid   898] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   897] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   899] close(3 <unfinished ...>
[pid   898] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   901] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   900] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   899] <... close resumed>)        = 0
[pid   898] <... futex resumed>)        = 0
[pid   897] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   901] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   900] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   899] write(1, "executing program\n", 18 <unfinished ...>
[pid   898] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   897] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   901] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   900] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   897] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   901] <... futex resumed>)        = 0
[pid   900] <... futex resumed>)        = 0
[pid   897] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   901] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   900] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   897] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   901] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   897] <... futex resumed>)        = 0
executing program
[pid   901] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   899] <... write resumed>)        = 18
[pid   898] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   897] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 902 attached
 <unfinished ...>
[pid   901] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   899] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   898] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   900] <... futex resumed>)        = 0
[pid   899] <... futex resumed>)        = 0
[pid   898] <... futex resumed>)        = 1
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 902
[pid   900] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   899] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   898] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   902] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   901] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   900] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   899] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   902] <... set_robust_list resumed>) = 0
[pid   901] <... futex resumed>)        = 1
[pid   900] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   899] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   897] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   902] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   901] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   900] <... futex resumed>)        = 1
[pid   899] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   898] <... futex resumed>)        = 0
[pid   897] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   902] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   901] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   900] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   899] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   898] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   897] <... futex resumed>)        = 0
[pid   902] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   901] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   900] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   899] <... mmap resumed>)         = 0x7fb4de009000
[pid   898] <... futex resumed>)        = 0
[pid   897] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   901] <... openat resumed>)       = 3
[pid   900] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   899] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   898] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   902] <... prctl resumed>)        = 0
[pid   901] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   900] <... openat resumed>)       = 3
[pid   899] <... mprotect resumed>)     = 0
[pid   902] setpgid(0, 0 <unfinished ...>
[pid   901] <... futex resumed>)        = 1
[pid   897] <... futex resumed>)        = 0
[pid   902] <... setpgid resumed>)      = 0
[pid   901] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   897] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   900] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   899] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   897] <... futex resumed>)        = 0
[pid   900] <... futex resumed>)        = 1
[pid   899] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   898] <... futex resumed>)        = 0
[pid   902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   901] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   900] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   899] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   898] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   897] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   902] <... openat resumed>)       = 3
[pid   901] write(3, "\x38\x00", 2 <unfinished ...>
[pid   900] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   898] <... futex resumed>)        = 0
[pid   900] write(3, "\x38\x00", 2 <unfinished ...>
[pid   898] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   900] <... write resumed>)        = 2
[pid   900] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   899] <... clone3 resumed> => {parent_tid=[903]}, 88) = 903
[pid   898] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 903 attached
[pid   901] <... write resumed>)        = 2
[pid   900] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   899] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   902] write(3, "1000", 4 <unfinished ...>
[pid   898] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   903] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   902] <... write resumed>)        = 4
[pid   901] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   900] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   899] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   898] <... futex resumed>)        = 0
[pid   902] close(3 <unfinished ...>
[pid   900] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   899] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   898] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   903] <... set_robust_list resumed>) = 0
[pid   902] <... close resumed>)        = 0
[pid   901] <... futex resumed>)        = 1
[pid   900] <... openat resumed>)       = 4
[pid   899] <... futex resumed>)        = 0
[pid   897] <... futex resumed>)        = 0
[pid   902] write(1, "executing program\n", 18 <unfinished ...>
[pid   903] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   901] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
executing program
[pid   897] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   903] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   902] <... write resumed>)        = 18
[pid   901] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   897] <... futex resumed>)        = 0
[pid   900] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   899] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   902] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   901] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   900] <... futex resumed>)        = 1
[pid   898] <... futex resumed>)        = 0
[pid   897] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   903] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   902] <... futex resumed>)        = 0
[pid   901] <... openat resumed>)       = 4
[pid   900] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   898] exit_group(0 <unfinished ...>
[pid   903] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   902] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   901] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   900] <... futex resumed>)        = ?
[pid   898] <... exit_group resumed>)   = ?
[pid   903] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   902] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   901] <... futex resumed>)        = 1
[pid   900] +++ exited with 0 +++
[pid   898] +++ exited with 0 +++
[pid   897] <... futex resumed>)        = 0
[pid   903] <... futex resumed>)        = 1
[pid   902] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   901] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   899] <... futex resumed>)        = 0
[pid   903] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   902] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   899] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   897] exit_group(0 <unfinished ...>
[pid   903] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   902] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   899] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=898, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   901] <... futex resumed>)        = ?
[pid   897] <... exit_group resumed>)   = ?
[pid   903] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   899] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   902] <... mmap resumed>)         = 0x7fb4de009000
[pid   903] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   903] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   902] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   903] <... futex resumed>)        = 1
[pid   899] <... futex resumed>)        = 0
[pid   903] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   899] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   903] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   902] <... mprotect resumed>)     = 0
[pid   899] <... futex resumed>)        = 0
[pid   903] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   902] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   901] +++ exited with 0 +++
[pid   899] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   897] +++ exited with 0 +++
[pid   903] <... openat resumed>)       = 3
[pid   903] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   902] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=897, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   902] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 904 attached
 <unfinished ...>
[pid   904] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   902] <... clone3 resumed> => {parent_tid=[904]}, 88) = 904
[pid   904] <... set_robust_list resumed>) = 0
[pid   903] <... futex resumed>)        = 1
[pid   902] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   899] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   904] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   903] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   902] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   899] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   904] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   903] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   902] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   899] <... futex resumed>)        = 0
[pid   904] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   903] write(3, "\x38\x00", 2 <unfinished ...>
[pid   902] <... futex resumed>)        = 0
[pid   899] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   904] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   903] <... write resumed>)        = 2
[pid   902] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   904] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   902] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   904] <... futex resumed>)        = 0
[pid   903] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   902] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   904] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   903] <... futex resumed>)        = 1
[pid   902] <... futex resumed>)        = 0
[pid   899] <... futex resumed>)        = 0
[pid   903] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   899] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   903] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   904] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   903] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   902] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   899] <... futex resumed>)        = 0
[pid   904] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   902] <... futex resumed>)        = 0
[pid   899] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   904] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   902] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   904] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   902] <... futex resumed>)        = 0
[pid   904] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   902] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   904] <... openat resumed>)       = 3
[pid   903] <... openat resumed>)       = 4
[pid   904] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   903] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   904] <... futex resumed>)        = 1
[pid   902] <... futex resumed>)        = 0
[pid   899] <... futex resumed>)        = 0
[pid   903] <... futex resumed>)        = 1
[pid   904] write(3, "\x38\x00", 2 <unfinished ...>
[pid   902] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   904] <... write resumed>)        = 2
[pid   902] <... futex resumed>)        = 0
[pid   904] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   903] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   902] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   899] exit_group(0 <unfinished ...>
[pid   904] <... futex resumed>)        = 0
[pid   903] <... futex resumed>)        = ?
[pid   902] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   899] <... exit_group resumed>)   = ?
[pid   904] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   903] +++ exited with 0 +++
[pid   902] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   904] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   904] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   902] <... futex resumed>)        = 0
[pid   904] <... openat resumed>)       = 4
[pid   899] +++ exited with 0 +++
[pid   313] <... restart_syscall resumed>) = 0
[pid   904] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=899, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   902] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   904] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   902] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   902] exit_group(0 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   902] <... exit_group resumed>)   = ?
[pid   904] <... futex resumed>)        = ?
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 905 attached
 <unfinished ...>
[pid   904] +++ exited with 0 +++
[pid   902] +++ exited with 0 +++
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 905
[pid   905] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=902, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   905] <... set_robust_list resumed>) = 0
[pid   905] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   905] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 906 attached
[pid   905] setpgid(0, 0)               = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 906
[pid   906] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   906] <... set_robust_list resumed>) = 0
[pid   906] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   906] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   905] <... openat resumed>)       = 3
[pid   906] setpgid(0, 0 <unfinished ...>
[pid   905] write(3, "1000", 4 <unfinished ...>
[pid   906] <... setpgid resumed>)      = 0
[pid   906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   905] <... write resumed>)        = 4
[pid   905] close(3 <unfinished ...>
[pid   906] <... openat resumed>)       = 3
[pid   905] <... close resumed>)        = 0
[pid   906] write(3, "1000", 4 <unfinished ...>
[pid   905] write(1, "executing program\n", 18 <unfinished ...>
[pid   906] <... write resumed>)        = 4
[pid   906] close(3)                    = 0
[pid   906] write(1, "executing program\n", 18) = 18
executing program
executing program
[pid   906] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   905] <... write resumed>)        = 18
[pid   906] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   905] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   906] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   905] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   906] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   906] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   905] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   906] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   905] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   906] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   905] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   906] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   905] <... mmap resumed>)         = 0x7fb4de009000
[pid   906] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   905] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   905] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   906] <... clone3 resumed> => {parent_tid=[907]}, 88) = 907
[pid   906] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   906] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   906] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 907 attached
 <unfinished ...>
[pid   907] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   907] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   907] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid   907] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   907] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   906] <... futex resumed>)        = 0
[pid   906] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   907] <... futex resumed>)        = 0
[pid   906] <... futex resumed>)        = 1
[pid   907] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   906] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   907] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   906] <... futex resumed>)        = 0
[pid   906] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   907] <... futex resumed>)        = 1
[pid   906] <... futex resumed>)        = 0
[pid   907] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   906] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   907] <... openat resumed>)       = 3
[pid   312] <... restart_syscall resumed>) = 0
[pid   907] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   906] <... futex resumed>)        = 0
[pid   907] write(3, "\x38\x00", 2 <unfinished ...>
[pid   906] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   907] <... write resumed>)        = 2
[pid   906] <... futex resumed>)        = 0
[pid   907] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   906] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   907] <... futex resumed>)        = 0
[pid   906] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   907] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   906] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   907] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   907] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   906] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 909 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 908 attached
[pid   905] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   908] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   907] <... openat resumed>)       = 4
[pid   905] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 909
[pid   907] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   906] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   909] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   907] <... futex resumed>)        = 0
[pid   906] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 910 attached
[pid   909] <... set_robust_list resumed>) = 0
[pid   908] <... set_robust_list resumed>) = 0
[pid   907] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   906] exit_group(0 <unfinished ...>
[pid   905] <... clone3 resumed> => {parent_tid=[910]}, 88) = 910
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   910] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   909] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   907] <... futex resumed>)        = ?
[pid   906] <... exit_group resumed>)   = ?
[pid   905] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 908
[pid   910] <... set_robust_list resumed>) = 0
[pid   909] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   908] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   907] +++ exited with 0 +++
[pid   906] +++ exited with 0 +++
[pid   905] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   910] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   909] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   908] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   905] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   910] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   909] <... prctl resumed>)        = 0
[pid   908] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=906, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   910] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   909] setpgid(0, 0 <unfinished ...>
[pid   908] <... prctl resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   910] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   909] <... setpgid resumed>)      = 0
[pid   908] setpgid(0, 0 <unfinished ...>
[pid   905] <... futex resumed>)        = 0
[pid   910] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   908] <... setpgid resumed>)      = 0
[pid   910] <... futex resumed>)        = 0
[pid   905] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   910] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   905] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   909] <... openat resumed>)       = 3
[pid   905] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   910] <... futex resumed>)        = 0
[pid   905] <... futex resumed>)        = 1
[pid   910] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   905] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   909] write(3, "1000", 4 <unfinished ...>
[pid   910] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   909] <... write resumed>)        = 4
[pid   909] close(3 <unfinished ...>
[pid   910] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   909] <... close resumed>)        = 0
[pid   910] <... futex resumed>)        = 1
[pid   909] write(1, "executing program\n", 18 <unfinished ...>
[pid   905] <... futex resumed>)        = 0
[pid   910] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   909] <... write resumed>)        = 18
executing program
[pid   908] <... openat resumed>)       = 3
[pid   905] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   910] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   909] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   905] <... futex resumed>)        = 0
[pid   910] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   908] write(3, "1000", 4 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   910] <... openat resumed>)       = 3
[pid   908] <... write resumed>)        = 4
[pid   905] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   910] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   908] close(3 <unfinished ...>
[pid   905] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   910] <... futex resumed>)        = 0
[pid   908] <... close resumed>)        = 0
[pid   905] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   909] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   910] write(3, "\x38\x00", 2 <unfinished ...>
[pid   909] <... rt_sigaction resumed>, NULL, 8) = 0
executing program
[pid   905] <... futex resumed>)        = 0
[pid   909] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   905] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   910] <... write resumed>)        = 2
[pid   909] <... mmap resumed>)         = 0x7fb4de009000
[pid   908] write(1, "executing program\n", 18 <unfinished ...>
[pid   910] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   909] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   908] <... write resumed>)        = 18
[pid   905] <... futex resumed>)        = 0
[pid   909] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 911 attached
[pid   910] <... futex resumed>)        = 1
[pid   909] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   908] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   905] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 912 attached
 <unfinished ...>
[pid   911] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   910] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   905] <... futex resumed>)        = 0
[pid   911] <... set_robust_list resumed>) = 0
[pid   908] <... futex resumed>)        = 0
[pid   911] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   909] <... clone3 resumed> => {parent_tid=[912]}, 88) = 912
[pid   908] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   912] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   911] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   909] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   908] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   905] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   912] <... set_robust_list resumed>) = 0
[pid   911] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   910] <... openat resumed>)       = 4
[pid   909] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   908] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   912] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   911] <... prctl resumed>)        = 0
[pid   909] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   908] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 911
[pid   912] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   911] setpgid(0, 0 <unfinished ...>
[pid   910] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   909] <... futex resumed>)        = 0
[pid   908] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   912] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   911] <... setpgid resumed>)      = 0
[pid   910] <... futex resumed>)        = 1
[pid   909] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   908] <... mmap resumed>)         = 0x7fb4de009000
[pid   905] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   912] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   912] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   911] <... openat resumed>)       = 3
[pid   910] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   908] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   905] exit_group(0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   912] <... futex resumed>)        = 1
[pid   910] <... futex resumed>)        = ?
[pid   909] <... futex resumed>)        = 0
[pid   908] <... mprotect resumed>)     = 0
[pid   905] <... exit_group resumed>)   = ?
[pid   912] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   911] write(3, "1000", 4 <unfinished ...>
[pid   910] +++ exited with 0 +++
[pid   909] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   908] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   911] <... write resumed>)        = 4
[pid   909] <... futex resumed>)        = 0
[pid   911] close(3 <unfinished ...>
[pid   909] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   908] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   911] <... close resumed>)        = 0
[pid   908] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   911] write(1, "executing program\n", 18) = 18
[pid   912] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
executing program
[pid   905] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 913 attached
[pid   912] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   911] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=905, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   913] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   911] <... futex resumed>)        = 0
[pid   908] <... clone3 resumed> => {parent_tid=[913]}, 88) = 913
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   912] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   911] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   908] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   911] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   908] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   911] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   908] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   911] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   908] <... futex resumed>)        = 0
[pid   911] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   908] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   913] <... set_robust_list resumed>) = 0
[pid   912] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   911] <... mmap resumed>)         = 0x7fb4de009000
[pid   913] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   912] <... futex resumed>)        = 1
[pid   911] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   909] <... futex resumed>)        = 0
[pid   913] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   912] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   911] <... mprotect resumed>)     = 0
[pid   909] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   913] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   912] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   911] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   909] <... futex resumed>)        = 0
[pid   913] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   912] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   909] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   911] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   911] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 914 attached
 <unfinished ...>
[pid   913] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   912] <... openat resumed>)       = 3
[pid   914] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   913] <... futex resumed>)        = 1
[pid   911] <... clone3 resumed> => {parent_tid=[914]}, 88) = 914
[pid   908] <... futex resumed>)        = 0
[pid   914] <... set_robust_list resumed>) = 0
[pid   913] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   912] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   911] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   908] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   914] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   913] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   912] <... futex resumed>)        = 1
[pid   911] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   909] <... futex resumed>)        = 0
[pid   908] <... futex resumed>)        = 0
[pid   914] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   913] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   912] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   911] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   909] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   908] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   914] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   912] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   911] <... futex resumed>)        = 0
[pid   909] <... futex resumed>)        = 0
[pid   914] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   913] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   912] write(3, "\x38\x00", 2 <unfinished ...>
[pid   911] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   909] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   913] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   912] <... write resumed>)        = 2
[pid   914] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   912] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   911] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   909] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   914] <... futex resumed>)        = 0
[pid   911] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   909] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   914] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   911] <... futex resumed>)        = 0
[pid   912] <... futex resumed>)        = 0
[pid   909] <... futex resumed>)        = 0
[pid   913] <... futex resumed>)        = 1
[pid   908] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   914] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   912] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   911] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   909] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   908] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   914] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   913] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   912] <... openat resumed>)       = 4
[pid   911] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   908] <... futex resumed>)        = 0
[pid   914] <... futex resumed>)        = 0
[pid   913] <... openat resumed>)       = 3
[pid   912] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   911] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   908] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   914] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   911] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   914] <... openat resumed>)       = 3
[pid   913] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   912] <... futex resumed>)        = 1
[pid   911] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   909] <... futex resumed>)        = 0
[pid   908] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   914] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   913] <... futex resumed>)        = 0
[pid   912] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   911] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   909] exit_group(0 <unfinished ...>
[pid   908] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   914] <... futex resumed>)        = 0
[pid   913] write(3, "\x38\x00", 2 <unfinished ...>
[pid   912] <... futex resumed>)        = ?
[pid   911] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   909] <... exit_group resumed>)   = ?
[pid   908] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   914] write(3, "\x38\x00", 2 <unfinished ...>
[pid   911] <... futex resumed>)        = 0
[pid   908] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   912] +++ exited with 0 +++
[pid   913] <... write resumed>)        = 2
[pid   911] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   909] +++ exited with 0 +++
[pid   913] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 915 attached
 <unfinished ...>
[pid   914] <... write resumed>)        = 2
[pid   913] <... futex resumed>)        = 0
[pid   908] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=909, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid   915] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   914] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   913] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   908] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 915
[pid   915] <... set_robust_list resumed>) = 0
[pid   914] <... futex resumed>)        = 1
[pid   913] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   911] <... futex resumed>)        = 0
[pid   908] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   915] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   914] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   911] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   908] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   915] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   914] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   913] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   911] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   915] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   914] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   911] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   914] <... openat resumed>)       = 4
[pid   913] <... openat resumed>)       = 4
[pid   915] <... prctl resumed>)        = 0
[pid   915] setpgid(0, 0 <unfinished ...>
[pid   914] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   915] <... setpgid resumed>)      = 0
[pid   913] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   911] <... futex resumed>)        = 0
[pid   915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   914] <... futex resumed>)        = 1
[pid   913] <... futex resumed>)        = 1
[pid   911] exit_group(0 <unfinished ...>
[pid   908] <... futex resumed>)        = 0
[pid   915] <... openat resumed>)       = 3
[pid   913] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   911] <... exit_group resumed>)   = ?
[pid   908] exit_group(0 <unfinished ...>
[pid   914] +++ exited with 0 +++
[pid   913] <... futex resumed>)        = ?
[pid   911] +++ exited with 0 +++
[pid   908] <... exit_group resumed>)   = ?
[pid   915] write(3, "1000", 4 <unfinished ...>
[pid   913] +++ exited with 0 +++
[pid   915] <... write resumed>)        = 4
[pid   915] close(3)                    = 0
[pid   915] write(1, "executing program\n", 18) = 18
[pid   915] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   915] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   915] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
executing program
[pid   908] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=911, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=908, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   915] <... mmap resumed>)         = 0x7fb4de009000
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   915] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   915] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   915] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   915] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   915] <... clone3 resumed> => {parent_tid=[916]}, 88) = 916
[pid   915] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   915] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   915] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 916 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 917 attached
 <unfinished ...>
[pid   917] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   916] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 917
[pid   916] <... set_robust_list resumed>) = 0
[pid   916] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   917] <... set_robust_list resumed>) = 0
[pid   916] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   917] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   916] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   917] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   916] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   916] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   917] setpgid(0, 0 <unfinished ...>
[pid   916] <... futex resumed>)        = 1
[pid   915] <... futex resumed>)        = 0
[pid   917] <... setpgid resumed>)      = 0
[pid   916] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   915] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   916] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   916] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   917] <... openat resumed>)       = 3
[pid   915] <... futex resumed>)        = 0
[pid   916] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   915] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   917] write(3, "1000", 4 <unfinished ...>
[pid   916] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   915] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   917] <... write resumed>)        = 4
[pid   916] <... futex resumed>)        = 0
[pid   915] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   917] close(3 <unfinished ...>
[pid   916] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   915] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   917] <... close resumed>)        = 0
[pid   915] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   916] <... openat resumed>)       = 3
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   917] write(1, "executing program\n", 18 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   917] <... write resumed>)        = 18
executing program
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 918 attached
 <unfinished ...>
[pid   917] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   916] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   917] <... futex resumed>)        = 0
[pid   917] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   916] <... futex resumed>)        = 1
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 918
[pid   916] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   915] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   917] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   915] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   918] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   917] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   916] <... futex resumed>)        = 0
[pid   915] <... futex resumed>)        = 1
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 919
[pid   917] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   916] write(3, "\x38\x00", 2 <unfinished ...>
[pid   915] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 919 attached
 <unfinished ...>
[pid   918] <... set_robust_list resumed>) = 0
[pid   917] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   916] <... write resumed>)        = 2
[pid   919] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   918] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   917] <... mmap resumed>)         = 0x7fb4de009000
[pid   916] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   919] <... set_robust_list resumed>) = 0
[pid   918] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   917] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   916] <... futex resumed>)        = 1
[pid   915] <... futex resumed>)        = 0
[pid   919] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   917] <... mprotect resumed>)     = 0
[pid   916] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   915] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   919] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   918] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   917] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   916] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   915] <... futex resumed>)        = 0
[pid   918] <... prctl resumed>)        = 0
[pid   916] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   915] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   919] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   918] setpgid(0, 0 <unfinished ...>
[pid   917] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   916] <... openat resumed>)       = 4
[pid   918] <... setpgid resumed>)      = 0
[pid   917] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   916] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   919] <... prctl resumed>)        = 0
[pid   918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   916] <... futex resumed>)        = 1
[pid   915] <... futex resumed>)        = 0
[pid   916] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   915] exit_group(0 <unfinished ...>
[pid   916] <... futex resumed>)        = ?
[pid   915] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 920 attached
[pid   919] setpgid(0, 0 <unfinished ...>
[pid   918] <... openat resumed>)       = 3
[pid   917] <... clone3 resumed> => {parent_tid=[920]}, 88) = 920
[pid   916] +++ exited with 0 +++
[pid   915] +++ exited with 0 +++
[pid   919] <... setpgid resumed>)      = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=915, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   920] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   917] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   920] <... set_robust_list resumed>) = 0
[pid   919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   918] write(3, "1000", 4 <unfinished ...>
[pid   917] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   920] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   918] <... write resumed>)        = 4
[pid   917] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   920] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   917] <... futex resumed>)        = 0
[pid   920] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   917] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   920] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   920] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   919] <... openat resumed>)       = 3
[pid   918] close(3 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   920] <... futex resumed>)        = 1
[pid   917] <... futex resumed>)        = 0
[pid   918] <... close resumed>)        = 0
[pid   917] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   918] write(1, "executing program\n", 18 <unfinished ...>
[pid   917] <... futex resumed>)        = 0
[pid   918] <... write resumed>)        = 18
executing program
[pid   917] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   918] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   918] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   918] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   918] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   918] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   920] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   918] <... mprotect resumed>)     = 0
[pid   918] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   918] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 921 attached
 <unfinished ...>
[pid   919] write(3, "1000", 4ci2-android-6-12-rust/strace-static-x86_64: Process 922 attached
 <unfinished ...>
[pid   921] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   920] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   919] <... write resumed>)        = 4
[pid   918] <... clone3 resumed> => {parent_tid=[921]}, 88) = 921
[pid   922] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   921] <... set_robust_list resumed>) = 0
[pid   920] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   919] close(3 <unfinished ...>
[pid   918] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 922
[pid   922] <... set_robust_list resumed>) = 0
[pid   921] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   918] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   922] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   921] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   920] <... futex resumed>)        = 1
[pid   919] <... close resumed>)        = 0
[pid   918] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   917] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   920] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   919] write(1, "executing program\n", 18 <unfinished ...>
[pid   922] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid   921] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   919] <... write resumed>)        = 18
[pid   918] <... futex resumed>)        = 0
[pid   917] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   922] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   921] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   918] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   922] <... prctl resumed>)        = 0
[pid   921] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   920] <... futex resumed>)        = 0
[pid   919] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   917] <... futex resumed>)        = 1
[pid   922] setpgid(0, 0 <unfinished ...>
[pid   920] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   919] <... futex resumed>)        = 0
[pid   917] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   922] <... setpgid resumed>)      = 0
[pid   921] <... futex resumed>)        = 1
[pid   918] <... futex resumed>)        = 0
[pid   922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   921] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   920] <... openat resumed>)       = 3
[pid   919] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   918] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   922] <... openat resumed>)       = 3
[pid   921] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   920] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   919] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   918] <... futex resumed>)        = 0
[pid   922] write(3, "1000", 4 <unfinished ...>
[pid   921] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   920] <... futex resumed>)        = 1
[pid   919] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   918] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   917] <... futex resumed>)        = 0
[pid   922] <... write resumed>)        = 4
[pid   921] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   920] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   919] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   917] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   922] close(3 <unfinished ...>
[pid   920] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   919] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   917] <... futex resumed>)        = 0
[pid   920] write(3, "\x38\x00", 2 <unfinished ...>
[pid   922] <... close resumed>)        = 0
[pid   921] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   922] write(1, "executing program\n", 18 <unfinished ...>
[pid   921] <... futex resumed>)        = 1
[pid   920] <... write resumed>)        = 2
[pid   918] <... futex resumed>)        = 0
executing program
[pid   919] <... mmap resumed>)         = 0x7fb4de009000
[pid   917] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   922] <... write resumed>)        = 18
[pid   921] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   920] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   919] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   918] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   917] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   922] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   921] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   920] <... futex resumed>)        = 0
[pid   919] <... mprotect resumed>)     = 0
[pid   918] <... futex resumed>)        = 0
[pid   917] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   922] <... futex resumed>)        = 0
[pid   921] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   920] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   918] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   917] <... futex resumed>)        = 0
[pid   922] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   921] <... openat resumed>)       = 3
[pid   920] <... openat resumed>)       = 4
[pid   919] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   922] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   920] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   919] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   917] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   922] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   921] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   920] <... futex resumed>)        = 0
[pid   919] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   917] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   922] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   921] <... futex resumed>)        = 1
[pid   920] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   918] <... futex resumed>)        = 0
[pid   917] exit_group(0 <unfinished ...>
[pid   922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   921] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   918] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   917] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 923 attached
[pid   922] <... mmap resumed>)         = 0x7fb4de009000
[pid   921] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   920] <... futex resumed>)        = ?
[pid   918] <... futex resumed>)        = 0
[pid   923] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   922] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   921] write(3, "\x38\x00", 2 <unfinished ...>
[pid   918] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   923] <... set_robust_list resumed>) = 0
[pid   922] <... mprotect resumed>)     = 0
[pid   921] <... write resumed>)        = 2
[pid   923] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   922] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   921] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   923] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   922] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   921] <... futex resumed>)        = 1
[pid   918] <... futex resumed>)        = 0
[pid   922] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   921] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   920] +++ exited with 0 +++
[pid   919] <... clone3 resumed> => {parent_tid=[923]}, 88) = 923
[pid   918] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   917] +++ exited with 0 +++
[pid   921] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   918] <... futex resumed>)        = 0
[pid   918] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   922] <... clone3 resumed> => {parent_tid=[924]}, 88) = 924
[pid   921] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLYci2-android-6-12-rust/strace-static-x86_64: Process 924 attached
 <unfinished ...>
[pid   922] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   921] <... openat resumed>)       = 4
[pid   919] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=917, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   924] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   922] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   922] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   921] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   924] <... set_robust_list resumed>) = 0
[pid   919] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   924] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   922] <... futex resumed>)        = 0
[pid   919] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   918] <... futex resumed>)        = 0
[pid   924] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   919] <... futex resumed>)        = 1
[pid   924] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   923] <... futex resumed>)        = 0
[pid   922] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   921] <... futex resumed>)        = 1
[pid   919] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   918] exit_group(0 <unfinished ...>
[pid   924] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   923] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   918] <... exit_group resumed>)   = ?
[pid   924] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   923] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   921] +++ exited with 0 +++
[pid   918] +++ exited with 0 +++
[pid   924] <... futex resumed>)        = 1
[pid   923] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   922] <... futex resumed>)        = 0
[pid   924] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   923] <... futex resumed>)        = 1
[pid   922] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   919] <... futex resumed>)        = 0
[pid   923] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   922] <... futex resumed>)        = 0
[pid   919] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   924] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   923] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   922] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=918, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   923] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   919] <... futex resumed>)        = 0
[pid   924] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   919] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   924] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   923] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   924] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   923] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   924] <... futex resumed>)        = 1
[pid   923] <... futex resumed>)        = 1
[pid   922] <... futex resumed>)        = 0
[pid   919] <... futex resumed>)        = 0
[pid   923] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   922] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   919] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   924] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   923] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   919] <... futex resumed>)        = 0
[pid   924] <... openat resumed>)       = 3
[pid   923] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   922] <... futex resumed>)        = 0
[pid   919] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   923] <... openat resumed>)       = 3
[pid   922] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   923] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   919] <... futex resumed>)        = 0
[pid   924] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   923] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   924] <... futex resumed>)        = 1
[pid   922] <... futex resumed>)        = 0
[pid   919] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   924] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   919] <... futex resumed>)        = 1
[pid   923] <... futex resumed>)        = 0
[pid   922] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   919] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   923] write(3, "\x38\x00", 2 <unfinished ...>
[pid   922] <... futex resumed>)        = 1
[pid   923] <... write resumed>)        = 2
[pid   922] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   923] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   923] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   924] <... futex resumed>)        = 0
[pid   924] write(3, "\x38\x00", 2)     = 2
[pid   924] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   922] <... futex resumed>)        = 0
[pid   924] <... futex resumed>)        = 1
[pid   922] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   924] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   922] <... futex resumed>)        = 0
[pid   924] <... openat resumed>)       = 4
[pid   922] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   919] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   919] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   919] <... futex resumed>)        = 1
[pid   919] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   924] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   923] <... futex resumed>)        = 0
[pid   924] <... futex resumed>)        = 1
[pid   923] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   922] <... futex resumed>)        = 0
[pid   924] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   923] <... openat resumed>)       = 4
[pid   922] exit_group(0 <unfinished ...>
[pid   924] <... futex resumed>)        = ?
[pid   923] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   922] <... exit_group resumed>)   = ?
[pid   924] +++ exited with 0 +++
[pid   923] <... futex resumed>)        = 1
[pid   922] +++ exited with 0 +++
[pid   919] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   923] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   919] exit_group(0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   919] <... exit_group resumed>)   = ?
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=922, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   923] <... futex resumed>)        = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 925 attached
[pid   923] +++ exited with 0 +++
[pid   919] +++ exited with 0 +++
[pid   925] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=919, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 925
[pid   925] <... set_robust_list resumed>) = 0
[pid   925] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   925] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   925] setpgid(0, 0)               = 0
[pid   925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   925] <... openat resumed>)       = 3
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   925] write(3, "1000", 4 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   925] <... write resumed>)        = 4
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 927 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 926 attached
 <unfinished ...>
[pid   925] close(3 <unfinished ...>
[pid   927] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   926] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   925] <... close resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 926
[pid   927] <... set_robust_list resumed>) = 0
[pid   926] <... set_robust_list resumed>) = 0
[pid   925] write(1, "executing program\n", 18 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 927
[pid   925] <... write resumed>)        = 18
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   925] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   926] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   927] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   926] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   925] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   927] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   925] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   925] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   926] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   925] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid   927] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   926] <... prctl resumed>)        = 0
[pid   926] setpgid(0, 0)               = 0
[pid   926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   925] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   927] <... prctl resumed>)        = 0
[pid   927] setpgid(0, 0 <unfinished ...>
[pid   926] <... openat resumed>)       = 3
[pid   925] <... mmap resumed>)         = 0x7fb4de009000
[pid   927] <... setpgid resumed>)      = 0
[pid   925] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   926] write(3, "1000", 4 <unfinished ...>
[pid   927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   926] <... write resumed>)        = 4
[pid   926] close(3)                    = 0
[pid   925] <... mprotect resumed>)     = 0
[pid   926] write(1, "executing program\n", 18 <unfinished ...>
[pid   927] <... openat resumed>)       = 3
[pid   926] <... write resumed>)        = 18
[pid   926] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   925] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
executing program
[pid   927] write(3, "1000", 4 <unfinished ...>
[pid   925] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   927] <... write resumed>)        = 4
[pid   925] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   927] close(3 <unfinished ...>
[pid   926] <... futex resumed>)        = 0
[pid   926] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 928 attached
[pid   926] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   928] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   926] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   928] <... set_robust_list resumed>) = 0
[pid   926] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   928] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   926] <... mmap resumed>)         = 0x7fb4de009000
[pid   928] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   927] <... close resumed>)        = 0
[pid   926] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   925] <... clone3 resumed> => {parent_tid=[928]}, 88) = 928
[pid   928] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   927] write(1, "executing program\n", 18 <unfinished ...>
[pid   926] <... mprotect resumed>)     = 0
[pid   925] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   927] <... write resumed>)        = 18
[pid   927] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid   926] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   925] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   927] <... futex resumed>)        = 0
[pid   926] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   925] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   927] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   926] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   928] <... futex resumed>)        = 0
[pid   927] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   925] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 929 attached
[pid   928] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   927] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   925] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   929] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   927] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   928] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   927] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   926] <... clone3 resumed> => {parent_tid=[929]}, 88) = 929
[pid   929] <... set_robust_list resumed>) = 0
[pid   928] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   927] <... mmap resumed>)         = 0x7fb4de009000
[pid   926] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   929] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   928] <... futex resumed>)        = 1
[pid   927] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   926] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   925] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   929] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   928] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   926] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   927] <... mprotect resumed>)     = 0
[pid   926] <... futex resumed>)        = 0
[pid   926] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   925] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   929] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   928] <... futex resumed>)        = 0
[pid   927] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   925] <... futex resumed>)        = 1
[pid   929] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   928] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   929] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   928] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   927] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   925] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   929] <... futex resumed>)        = 1
[pid   928] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   927] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   926] <... futex resumed>)        = 0
[pid   928] <... futex resumed>)        = 1
[pid   926] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   928] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   926] <... futex resumed>)        = 0
[pid   926] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   925] <... futex resumed>)        = 0
[pid   929] mount(NULL, "./tracefs_dir", "tracefs", 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 930 attached
 <unfinished ...>
[pid   930] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   929] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   927] <... clone3 resumed> => {parent_tid=[930]}, 88) = 930
[pid   925] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   929] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   927] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   929] <... futex resumed>)        = 1
[pid   927] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   925] <... futex resumed>)        = 1
[pid   929] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   927] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   925] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   927] <... futex resumed>)        = 0
[pid   930] <... set_robust_list resumed>) = 0
[pid   928] <... futex resumed>)        = 0
[pid   927] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   926] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 931 attached
[pid   930] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   928] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   931] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   930] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   928] <... openat resumed>)       = 3
[pid   926] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 931
[pid   931] <... set_robust_list resumed>) = 0
[pid   930] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   929] <... futex resumed>)        = 0
[pid   928] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   926] <... futex resumed>)        = 1
[pid   929] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   931] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   928] <... futex resumed>)        = 1
[pid   925] <... futex resumed>)        = 0
[pid   931] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   929] <... openat resumed>)       = 3
[pid   928] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   926] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   925] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   929] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   928] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   929] <... futex resumed>)        = 0
[pid   926] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   925] <... futex resumed>)        = 0
[pid   928] write(3, "\x38\x00", 2 <unfinished ...>
[pid   931] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   929] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   928] <... write resumed>)        = 2
[pid   926] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   925] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   931] <... prctl resumed>)        = 0
[pid   929] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   928] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   926] <... futex resumed>)        = 0
[pid   925] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   931] setpgid(0, 0 <unfinished ...>
[pid   929] write(3, "\x38\x00", 2 <unfinished ...>
[pid   928] <... futex resumed>)        = 0
[pid   926] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   925] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   931] <... setpgid resumed>)      = 0
[pid   929] <... write resumed>)        = 2
[pid   928] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   925] <... futex resumed>)        = 0
[pid   931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   930] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   929] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   928] <... openat resumed>)       = 4
[pid   925] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   930] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   930] <... futex resumed>)        = 1
[pid   927] <... futex resumed>)        = 0
[pid   930] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   927] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   930] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   929] <... futex resumed>)        = 1
[pid   927] <... futex resumed>)        = 0
[pid   930] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   929] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   928] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   927] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   926] <... futex resumed>)        = 0
[pid   931] <... openat resumed>)       = 3
[pid   930] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   928] <... futex resumed>)        = 1
[pid   926] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   925] <... futex resumed>)        = 0
[pid   931] write(3, "1000", 4 <unfinished ...>
[pid   930] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   929] <... futex resumed>)        = 0
[pid   928] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   926] <... futex resumed>)        = 1
[pid   931] <... write resumed>)        = 4
[pid   930] <... futex resumed>)        = 1
[pid   929] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   927] <... futex resumed>)        = 0
[pid   926] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   925] exit_group(0 <unfinished ...>
[pid   931] close(3 <unfinished ...>
[pid   930] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   929] <... openat resumed>)       = 4
[pid   927] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   931] <... close resumed>)        = 0
[pid   930] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   929] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   928] <... futex resumed>)        = ?
[pid   927] <... futex resumed>)        = 0
[pid   925] <... exit_group resumed>)   = ?
[pid   931] write(1, "executing program\n", 18 <unfinished ...>
[pid   930] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   929] <... futex resumed>)        = 1
[pid   928] +++ exited with 0 +++
executing program
[pid   927] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   926] <... futex resumed>)        = 0
[pid   931] <... write resumed>)        = 18
[pid   930] <... openat resumed>)       = 3
[pid   929] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   931] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   930] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   926] exit_group(0 <unfinished ...>
[pid   930] <... futex resumed>)        = 1
[pid   927] <... futex resumed>)        = 0
[pid   931] <... futex resumed>)        = 0
[pid   930] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   929] <... futex resumed>)        = ?
[pid   927] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   926] <... exit_group resumed>)   = ?
[pid   931] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   930] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   929] +++ exited with 0 +++
[pid   927] <... futex resumed>)        = 0
[pid   925] +++ exited with 0 +++
[pid   927] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=925, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   926] +++ exited with 0 +++
[pid   931] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   930] write(3, "\x38\x00", 2 <unfinished ...>
[pid   931] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   930] <... write resumed>)        = 2
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=926, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   931] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   930] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   931] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   930] <... futex resumed>)        = 1
[pid   927] <... futex resumed>)        = 0
[pid   927] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   927] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   931] <... mmap resumed>)         = 0x7fb4de009000
[pid   930] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   931] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   930] <... openat resumed>)       = 4
[pid   931] <... mprotect resumed>)     = 0
[pid   930] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   931] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   927] <... futex resumed>)        = 0
[pid   931] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   927] exit_group(0 <unfinished ...>
[pid   931] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   927] <... exit_group resumed>)   = ?
[pid   930] <... futex resumed>)        = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 932 attached
[pid   932] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   932] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   931] <... clone3 resumed> => {parent_tid=[932]}, 88) = 932
[pid   930] +++ exited with 0 +++
[pid   927] +++ exited with 0 +++
[pid   932] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   931] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   932] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   931] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=927, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   931] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   932] <... futex resumed>)        = 0
[pid   931] <... futex resumed>)        = 1
[pid   931] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   932] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid   932] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   931] <... futex resumed>)        = 0
[pid   932] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   931] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   932] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   932] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   931] <... futex resumed>)        = 0
[pid   932] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   931] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   932] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   932] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   931] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   931] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   932] <... futex resumed>)        = 0
[pid   931] <... futex resumed>)        = 1
[pid   932] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   931] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   932] <... openat resumed>)       = 3
[pid   932] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   932] <... futex resumed>)        = 1
[pid   931] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   932] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   931] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   932] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   931] <... futex resumed>)        = 0
[pid   932] write(3, "\x38\x00", 2ci2-android-6-12-rust/strace-static-x86_64: Process 933 attached
)     = 2
[pid   931] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   933] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   932] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   933] <... set_robust_list resumed>) = 0
[pid   931] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 933
[pid   932] <... futex resumed>)        = 0
[pid   933] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   932] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   931] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   933] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   932] <... openat resumed>)       = 4
[pid   931] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   933] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   932] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   931] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   933] <... prctl resumed>)        = 0
[pid   932] <... futex resumed>)        = 0
[pid   933] setpgid(0, 0 <unfinished ...>
[pid   931] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   932] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   933] <... setpgid resumed>)      = 0
[pid   933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   931] exit_group(0 <unfinished ...>
[pid   933] <... openat resumed>)       = 3
[pid   932] <... futex resumed>)        = ?
[pid   931] <... exit_group resumed>)   = ?
[pid   933] write(3, "1000", 4 <unfinished ...>
[pid   932] +++ exited with 0 +++
[pid   933] <... write resumed>)        = 4
[pid   933] close(3)                    = 0
[pid   933] write(1, "executing program\n", 18) = 18
[pid   933] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   933] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   933] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
executing program
[pid   933] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   931] +++ exited with 0 +++
[pid   315] <... restart_syscall resumed>) = 0
[pid   933] <... mmap resumed>)         = 0x7fb4de009000
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   933] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=931, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   933] <... mprotect resumed>)     = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   933] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   933] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   933] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 934 attached
 => {parent_tid=[934]}, 88) = 934
[pid   934] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   933] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   934] <... set_robust_list resumed>) = 0
[pid   933] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   934] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   933] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   934] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   933] <... futex resumed>)        = 0
[pid   934] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   933] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 935 attached
 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   935] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 935
[pid   934] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   934] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   933] <... futex resumed>)        = 0
[pid   934] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   933] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   934] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   933] <... futex resumed>)        = 0
[pid   935] <... set_robust_list resumed>) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   935] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 936
[pid   935] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 936 attached
[pid   935] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   934] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   933] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   936] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   934] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   936] <... set_robust_list resumed>) = 0
[pid   934] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   936] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   935] <... prctl resumed>)        = 0
[pid   934] <... futex resumed>)        = 1
[pid   933] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   936] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   935] setpgid(0, 0 <unfinished ...>
[pid   934] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   933] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   936] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   935] <... setpgid resumed>)      = 0
[pid   934] <... openat resumed>)       = 3
[pid   933] <... futex resumed>)        = 0
[pid   936] <... prctl resumed>)        = 0
[pid   933] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   936] setpgid(0, 0 <unfinished ...>
[pid   935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   934] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   936] <... setpgid resumed>)      = 0
[pid   934] <... futex resumed>)        = 1
[pid   933] <... futex resumed>)        = 0
[pid   936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   935] <... openat resumed>)       = 3
[pid   934] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   933] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   936] <... openat resumed>)       = 3
[pid   935] write(3, "1000", 4 <unfinished ...>
[pid   934] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   933] <... futex resumed>)        = 0
[pid   935] <... write resumed>)        = 4
[pid   934] write(3, "\x38\x00", 2 <unfinished ...>
[pid   933] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   936] write(3, "1000", 4 <unfinished ...>
[pid   935] close(3 <unfinished ...>
[pid   934] <... write resumed>)        = 2
[pid   936] <... write resumed>)        = 4
[pid   935] <... close resumed>)        = 0
[pid   934] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   936] close(3 <unfinished ...>
[pid   935] write(1, "executing program\n", 18 <unfinished ...>
[pid   934] <... futex resumed>)        = 1
[pid   933] <... futex resumed>)        = 0
[pid   936] <... close resumed>)        = 0
executing program
[pid   935] <... write resumed>)        = 18
[pid   934] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   933] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   936] write(1, "executing program\n", 18 <unfinished ...>
[pid   934] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   933] <... futex resumed>)        = 0
[pid   936] <... write resumed>)        = 18
[pid   934] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   933] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   936] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   934] <... openat resumed>)       = 4
executing program
[pid   936] <... futex resumed>)        = 0
[pid   936] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   934] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   936] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   934] <... futex resumed>)        = 1
[pid   933] <... futex resumed>)        = 0
[pid   936] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   934] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   933] exit_group(0 <unfinished ...>
[pid   936] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   935] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   936] <... mmap resumed>)         = 0x7fb4de009000
[pid   935] <... futex resumed>)        = 0
[pid   934] <... futex resumed>)        = ?
[pid   933] <... exit_group resumed>)   = ?
[pid   935] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   934] +++ exited with 0 +++
[pid   933] +++ exited with 0 +++
[pid   313] <... restart_syscall resumed>) = 0
[pid   935] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   935] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   936] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   935] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   936] <... mprotect resumed>)     = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=933, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   936] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   935] <... mmap resumed>)         = 0x7fb4de009000
[pid   936] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   936] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   935] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 937 attached
 <unfinished ...>
[pid   935] <... mprotect resumed>)     = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   937] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   936] <... clone3 resumed> => {parent_tid=[937]}, 88) = 937
[pid   935] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   937] <... set_robust_list resumed>) = 0
[pid   936] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   937] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   936] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   935] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   937] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   936] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   937] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   936] <... futex resumed>)        = 0
[pid   936] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   937] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   937] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   936] <... futex resumed>)        = 0
[pid   935] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   937] <... futex resumed>)        = 1
[pid   936] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 939 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 938 attached
 <unfinished ...>
[pid   937] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   936] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   939] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   938] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   937] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   936] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   935] <... clone3 resumed> => {parent_tid=[939]}, 88) = 939
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 938
[pid   939] <... set_robust_list resumed>) = 0
[pid   938] <... set_robust_list resumed>) = 0
[pid   937] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   935] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   939] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   937] <... futex resumed>)        = 1
[pid   936] <... futex resumed>)        = 0
[pid   939] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   937] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   936] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   939] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   937] <... openat resumed>)       = 3
[pid   938] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   935] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 940 attached
[pid   939] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   937] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   936] <... futex resumed>)        = 0
[pid   935] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   940] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   939] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   937] <... futex resumed>)        = 0
[pid   936] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   940] <... set_robust_list resumed>) = 0
[pid   939] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   937] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   936] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   940] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   939] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   938] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   936] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   935] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 940
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   940] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   939] <... futex resumed>)        = 0
[pid   938] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   937] <... futex resumed>)        = 0
[pid   936] <... futex resumed>)        = 1
[pid   940] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   939] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   938] <... prctl resumed>)        = 0
[pid   937] write(3, "\x38\x00", 2 <unfinished ...>
[pid   936] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   935] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   940] <... prctl resumed>)        = 0
[pid   938] setpgid(0, 0 <unfinished ...>
[pid   937] <... write resumed>)        = 2
[pid   935] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   940] setpgid(0, 0 <unfinished ...>
[pid   938] <... setpgid resumed>)      = 0
[pid   937] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   935] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   940] <... setpgid resumed>)      = 0
[pid   939] <... futex resumed>)        = 0
[pid   938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   937] <... futex resumed>)        = 1
[pid   936] <... futex resumed>)        = 0
[pid   940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   939] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   937] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   936] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   935] <... futex resumed>)        = 1
[pid   939] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   935] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   940] <... openat resumed>)       = 3
[pid   939] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   937] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   936] <... futex resumed>)        = 0
[pid   940] write(3, "1000", 4 <unfinished ...>
[pid   939] <... futex resumed>)        = 0
[pid   937] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   936] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   940] <... write resumed>)        = 4
[pid   939] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   938] <... openat resumed>)       = 3
[pid   937] <... openat resumed>)       = 4
[pid   935] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   940] close(3 <unfinished ...>
[pid   938] write(3, "1000", 4 <unfinished ...>
[pid   935] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   938] <... write resumed>)        = 4
[pid   935] <... futex resumed>)        = 1
[pid   938] close(3 <unfinished ...>
[pid   935] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   940] <... close resumed>)        = 0
[pid   939] <... futex resumed>)        = 0
[pid   937] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   940] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   939] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   937] <... futex resumed>)        = 1
[pid   936] <... futex resumed>)        = 0
[pid   940] <... write resumed>)        = 18
[pid   939] <... openat resumed>)       = 3
[pid   937] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   936] exit_group(0 <unfinished ...>
[pid   940] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   939] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   938] <... close resumed>)        = 0
[pid   937] <... futex resumed>)        = ?
[pid   936] <... exit_group resumed>)   = ?
[pid   940] <... futex resumed>)        = 0
[pid   939] <... futex resumed>)        = 1
[pid   938] write(1, "executing program\n", 18 <unfinished ...>
[pid   937] +++ exited with 0 +++
[pid   936] +++ exited with 0 +++
[pid   935] <... futex resumed>)        = 0
executing program
[pid   940] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   939] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   938] <... write resumed>)        = 18
[pid   935] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   940] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   939] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   938] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   940] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   939] write(3, "\x38\x00", 2 <unfinished ...>
[pid   938] <... futex resumed>)        = 0
[pid   935] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=936, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   940] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   939] <... write resumed>)        = 2
[pid   938] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   935] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   940] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   939] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   938] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   935] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   940] <... mmap resumed>)         = 0x7fb4de009000
[pid   939] <... futex resumed>)        = 0
[pid   939] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   938] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   935] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   940] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   939] <... openat resumed>)       = 4
[pid   938] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   935] <... futex resumed>)        = 0
[pid   940] <... mprotect resumed>)     = 0
[pid   938] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   935] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   940] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   939] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   938] <... mmap resumed>)         = 0x7fb4de009000
[pid   939] <... futex resumed>)        = 1
[pid   938] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   935] <... futex resumed>)        = 0
[pid   940] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   939] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   940] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   938] <... mprotect resumed>)     = 0
[pid   935] exit_group(0 <unfinished ...>
[pid   940] <... clone3 resumed> => {parent_tid=[941]}, 88) = 941
[pid   940] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   940] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   940] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 941 attached
 <unfinished ...>
[pid   939] <... futex resumed>)        = ?
[pid   935] <... exit_group resumed>)   = ?
[pid   941] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   939] +++ exited with 0 +++
[pid   938] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   935] +++ exited with 0 +++
[pid   941] <... set_robust_list resumed>) = 0
[pid   938] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   941] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   938] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=935, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   941] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 942 attached
 <unfinished ...>
[pid   941] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   942] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   941] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   942] <... set_robust_list resumed>) = 0
[pid   941] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   942] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   941] <... futex resumed>)        = 1
[pid   942] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   940] <... futex resumed>)        = 0
[pid   942] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   941] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   940] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   941] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   940] <... futex resumed>)        = 0
[pid   941] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   940] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   941] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   938] <... clone3 resumed> => {parent_tid=[942]}, 88) = 942
[pid   941] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   938] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   941] <... futex resumed>)        = 1
[pid   940] <... futex resumed>)        = 0
[pid   938] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   941] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   940] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   938] <... futex resumed>)        = 1
[pid   942] <... futex resumed>)        = 0
[pid   941] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   940] <... futex resumed>)        = 0
[pid   942] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   941] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   940] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   938] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   942] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   941] <... openat resumed>)       = 3
[pid   942] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   938] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   942] <... futex resumed>)        = 0
[pid   941] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   938] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   942] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   941] <... futex resumed>)        = 1
[pid   940] <... futex resumed>)        = 0
[pid   938] <... futex resumed>)        = 0
[pid   942] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   941] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   940] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   938] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   942] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   941] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   940] <... futex resumed>)        = 0
[pid   942] <... futex resumed>)        = 1
[pid   941] write(3, "\x38\x00", 2 <unfinished ...>
[pid   940] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   942] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   941] <... write resumed>)        = 2
[pid   938] <... futex resumed>)        = 0
[pid   938] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   942] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   941] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   942] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   941] <... futex resumed>)        = 1
[pid   940] <... futex resumed>)        = 0
[pid   942] <... openat resumed>)       = 3
[pid   941] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   940] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   938] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   942] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   941] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   940] <... futex resumed>)        = 0
[pid   938] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   942] <... futex resumed>)        = 0
[pid   941] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   940] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   942] write(3, "\x38\x00", 2 <unfinished ...>
[pid   941] <... openat resumed>)       = 4
[pid   938] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   942] <... write resumed>)        = 2
[pid   938] <... futex resumed>)        = 0
[pid   942] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   941] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   942] <... futex resumed>)        = 0
[pid   941] <... futex resumed>)        = 1
[pid   940] <... futex resumed>)        = 0
[pid   942] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   941] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   940] exit_group(0 <unfinished ...>
[pid   938] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   941] <... futex resumed>)        = ?
[pid   940] <... exit_group resumed>)   = ?
[pid   941] +++ exited with 0 +++
[pid   938] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] <... restart_syscall resumed>) = 0
[pid   938] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   942] <... futex resumed>)        = 0
[pid   940] +++ exited with 0 +++
[pid   938] <... futex resumed>)        = 1
[pid   938] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=940, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   942] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid   942] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   942] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   938] <... futex resumed>)        = 0
[pid   938] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 943 attached
 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 943
[pid   943] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   942] <... futex resumed>)        = ?
[pid   938] <... exit_group resumed>)   = ?
[pid   943] <... set_robust_list resumed>) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   942] +++ exited with 0 +++
[pid   938] +++ exited with 0 +++
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   943] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   943] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=938, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   943] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   943] <... prctl resumed>)        = 0
[pid   943] setpgid(0, 0)               = 0
[pid   943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 944 attached
[pid   944] set_robust_list(0x55557716c6a0, 24) = 0
[pid   943] write(3, "1000", 4 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 944
[pid   944] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   943] <... write resumed>)        = 4
[pid   944] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   943] close(3 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   944] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   943] <... close resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid   943] write(1, "executing program\n", 18) = 18
[pid   944] <... prctl resumed>)        = 0
[pid   943] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   944] setpgid(0, 0)               = 0
[pid   943] <... futex resumed>)        = 0
[pid   944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   943] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   944] <... openat resumed>)       = 3
[pid   943] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   943] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   944] write(3, "1000", 4 <unfinished ...>
[pid   943] <... mmap resumed>)         = 0x7fb4de009000
[pid   944] <... write resumed>)        = 4
[pid   944] close(3)                    = 0
[pid   943] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   944] write(1, "executing program\n", 18 <unfinished ...>
[pid   943] <... mprotect resumed>)     = 0
[pid   944] <... write resumed>)        = 18
executing program
[pid   944] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   943] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   944] <... futex resumed>)        = 0
[pid   944] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   943] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   944] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   944] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   943] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   944] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 945 attached
[pid   944] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   945] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   944] <... mmap resumed>)         = 0x7fb4de009000
[pid   943] <... clone3 resumed> => {parent_tid=[945]}, 88) = 945
[pid   944] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   943] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   944] <... mprotect resumed>)     = 0
[pid   943] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   944] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   943] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   944] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   943] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   945] <... set_robust_list resumed>) = 0
[pid   945] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   944] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   945] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   944] <... clone3 resumed> => {parent_tid=[946]}, 88) = 946
ci2-android-6-12-rust/strace-static-x86_64: Process 946 attached
[pid   945] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   946] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   945] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   946] <... set_robust_list resumed>) = 0
[pid   945] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   946] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   945] <... futex resumed>)        = 1
[pid   946] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   945] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   946] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   944] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   943] <... futex resumed>)        = 0
[pid   944] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   943] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   944] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   943] <... futex resumed>)        = 1
[pid   313] <... restart_syscall resumed>) = 0
[pid   945] <... futex resumed>)        = 0
[pid   946] <... futex resumed>)        = 0
[pid   944] <... futex resumed>)        = 1
[pid   943] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   946] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   945] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   944] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   946] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   946] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   945] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   946] <... futex resumed>)        = 1
[pid   945] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   944] <... futex resumed>)        = 0
[pid   946] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   945] <... futex resumed>)        = 1
[pid   944] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   943] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   946] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   945] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   944] <... futex resumed>)        = 0
[pid   943] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   946] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   945] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   944] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   943] <... futex resumed>)        = 0
[pid   946] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
ci2-android-6-12-rust/strace-static-x86_64: Process 947 attached
[pid   946] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   945] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   943] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   947] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   946] <... futex resumed>)        = 1
[pid   945] <... openat resumed>)       = 3
[pid   944] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   947] <... set_robust_list resumed>) = 0
[pid   946] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   945] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   944] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 947
[pid   947] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   946] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   945] <... futex resumed>)        = 1
[pid   944] <... futex resumed>)        = 0
[pid   943] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   946] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   943] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   945] write(3, "\x38\x00", 2 <unfinished ...>
[pid   947] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   944] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   943] <... futex resumed>)        = 0
[pid   946] <... openat resumed>)       = 3
[pid   945] <... write resumed>)        = 2
[pid   943] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   946] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   945] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   947] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 948 attached
[pid   947] <... prctl resumed>)        = 0
[pid   946] <... futex resumed>)        = 1
[pid   945] <... futex resumed>)        = 1
[pid   944] <... futex resumed>)        = 0
[pid   943] <... futex resumed>)        = 0
[pid   948] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   947] setpgid(0, 0 <unfinished ...>
[pid   946] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   945] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   944] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   943] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 948
[pid   943] <... futex resumed>)        = 0
[pid   948] <... set_robust_list resumed>) = 0
[pid   947] <... setpgid resumed>)      = 0
[pid   946] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   945] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   944] <... futex resumed>)        = 0
[pid   943] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   948] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   946] write(3, "\x38\x00", 2 <unfinished ...>
[pid   945] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   944] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   948] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   946] <... write resumed>)        = 2
[pid   945] <... openat resumed>)       = 4
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   948] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   947] <... openat resumed>)       = 3
[pid   946] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   948] <... prctl resumed>)        = 0
[pid   945] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   946] <... futex resumed>)        = 1
[pid   944] <... futex resumed>)        = 0
[pid   946] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   944] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   946] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   944] <... futex resumed>)        = 0
[pid   946] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid   944] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   946] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   948] setpgid(0, 0)               = 0
[pid   947] write(3, "1000", 4 <unfinished ...>
[pid   945] <... futex resumed>)        = 1
[pid   943] <... futex resumed>)        = 0
[pid   947] <... write resumed>)        = 4
[pid   945] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   947] close(3 <unfinished ...>
[pid   946] <... futex resumed>)        = 1
[pid   944] <... futex resumed>)        = 0
[pid   943] exit_group(0 <unfinished ...>
[pid   947] <... close resumed>)        = 0
[pid   943] <... exit_group resumed>)   = ?
[pid   947] write(1, "executing program\n", 18 <unfinished ...>
[pid   945] <... futex resumed>)        = ?
[pid   947] <... write resumed>)        = 18
executing program
[pid   946] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   944] exit_group(0 <unfinished ...>
[pid   946] <... futex resumed>)        = ?
[pid   944] <... exit_group resumed>)   = ?
[pid   945] +++ exited with 0 +++
[pid   943] +++ exited with 0 +++
[pid   948] <... openat resumed>)       = 3
[pid   947] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   946] +++ exited with 0 +++
[pid   944] +++ exited with 0 +++
[pid   948] write(3, "1000", 4 <unfinished ...>
[pid   947] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=943, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   947] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=944, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid   948] <... write resumed>)        = 4
[pid   947] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   948] close(3 <unfinished ...>
[pid   947] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   948] <... close resumed>)        = 0
[pid   947] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   948] write(1, "executing program\n", 18 <unfinished ...>
[pid   947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   948] <... write resumed>)        = 18
ci2-android-6-12-rust/strace-static-x86_64: Process 949 attached
[pid   948] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   947] <... mmap resumed>)         = 0x7fb4de009000
[pid   949] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   948] <... futex resumed>)        = 0
[pid   949] <... set_robust_list resumed>) = 0
[pid   947] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 949
executing program
[pid   949] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   948] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   949] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   947] <... mprotect resumed>)     = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   949] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   948] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   947] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   949] <... prctl resumed>)        = 0
[pid   948] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   949] setpgid(0, 0 <unfinished ...>
[pid   948] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   947] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   949] <... setpgid resumed>)      = 0
[pid   948] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   947] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   948] <... mmap resumed>)         = 0x7fb4de009000
ci2-android-6-12-rust/strace-static-x86_64: Process 950 attached
[pid   948] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   949] <... openat resumed>)       = 3
[pid   948] <... mprotect resumed>)     = 0
[pid   950] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   947] <... clone3 resumed> => {parent_tid=[950]}, 88) = 950
[pid   950] <... set_robust_list resumed>) = 0
[pid   949] write(3, "1000", 4 <unfinished ...>
[pid   950] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   947] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   950] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   949] <... write resumed>)        = 4
[pid   950] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   947] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   949] close(3 <unfinished ...>
[pid   947] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   949] <... close resumed>)        = 0
[pid   950] <... futex resumed>)        = 0
[pid   947] <... futex resumed>)        = 1
[pid   949] write(1, "executing program\n", 18 <unfinished ...>
[pid   950] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   949] <... write resumed>)        = 18
executing program
[pid   948] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   947] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   950] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   949] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   948] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   950] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   949] <... futex resumed>)        = 0
[pid   948] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 951 attached
 <unfinished ...>
[pid   950] <... futex resumed>)        = 1
[pid   949] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   947] <... futex resumed>)        = 0
[pid   950] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   949] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   948] <... clone3 resumed> => {parent_tid=[951]}, 88) = 951
[pid   951] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   950] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   949] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   948] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   947] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   951] <... set_robust_list resumed>) = 0
[pid   950] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   949] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   948] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   951] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   948] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   947] <... futex resumed>)        = 0
[pid   950] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   951] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   949] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   948] <... futex resumed>)        = 0
[pid   951] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   948] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   947] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   951] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   950] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   949] <... mmap resumed>)         = 0x7fb4de009000
[pid   951] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   950] <... futex resumed>)        = 0
[pid   947] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   949] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   951] <... futex resumed>)        = 1
[pid   950] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   947] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   951] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   950] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   949] <... mprotect resumed>)     = 0
[pid   947] <... futex resumed>)        = 0
[pid   950] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid   949] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   948] <... futex resumed>)        = 0
[pid   947] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   950] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   949] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   948] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   947] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... restart_syscall resumed>) = 0
[pid   951] <... futex resumed>)        = 0
[pid   950] <... futex resumed>)        = 0
[pid   949] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   948] <... futex resumed>)        = 1
[pid   947] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 952 attached
 <unfinished ...>
[pid   951] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   950] write(3, "\x38\x00", 2 <unfinished ...>
[pid   948] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   947] <... futex resumed>)        = 0
[pid   952] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   951] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   950] <... write resumed>)        = 2
[pid   949] <... clone3 resumed> => {parent_tid=[952]}, 88) = 952
[pid   947] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   952] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   951] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   950] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   949] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   947] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   952] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   951] <... futex resumed>)        = 1
[pid   950] <... futex resumed>)        = 0
[pid   949] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   947] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   952] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   951] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   950] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   949] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   947] <... futex resumed>)        = 0
[pid   948] <... futex resumed>)        = 0
[pid   948] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 953 attached
 <unfinished ...>
[pid   952] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   951] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   948] <... futex resumed>)        = 0
[pid   952] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   951] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   950] <... openat resumed>)       = 4
[pid   949] <... futex resumed>)        = 0
[pid   948] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   947] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   953] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   952] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   951] <... openat resumed>)       = 3
[pid   950] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   949] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   947] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   953] <... set_robust_list resumed>) = 0
[pid   952] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   951] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   950] <... futex resumed>)        = 0
[pid   949] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   947] exit_group(0 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 953
[pid   953] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   952] <... futex resumed>)        = 0
[pid   951] <... futex resumed>)        = 1
[pid   949] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   948] <... futex resumed>)        = 0
[pid   947] <... exit_group resumed>)   = ?
[pid   953] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   952] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   951] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   950] +++ exited with 0 +++
[pid   949] <... futex resumed>)        = 0
[pid   948] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   948] <... futex resumed>)        = 0
[pid   948] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   947] +++ exited with 0 +++
[pid   953] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=947, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   952] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   953] <... prctl resumed>)        = 0
[pid   951] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   949] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   952] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   953] setpgid(0, 0 <unfinished ...>
[pid   951] write(3, "\x38\x00", 2 <unfinished ...>
[pid   949] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   953] <... setpgid resumed>)      = 0
[pid   952] <... futex resumed>)        = 0
[pid   951] <... write resumed>)        = 2
[pid   949] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   952] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   951] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   949] <... futex resumed>)        = 0
[pid   952] <... openat resumed>)       = 3
[pid   951] <... futex resumed>)        = 1
[pid   949] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   948] <... futex resumed>)        = 0
[pid   953] <... openat resumed>)       = 3
[pid   952] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   951] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   949] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   948] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   953] write(3, "1000", 4 <unfinished ...>
[pid   952] <... futex resumed>)        = 0
[pid   951] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   949] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   948] <... futex resumed>)        = 0
[pid   953] <... write resumed>)        = 4
[pid   952] write(3, "\x38\x00", 2 <unfinished ...>
[pid   951] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   949] <... futex resumed>)        = 0
[pid   948] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   953] close(3 <unfinished ...>
[pid   952] <... write resumed>)        = 2
[pid   951] <... openat resumed>)       = 4
[pid   949] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   953] <... close resumed>)        = 0
[pid   952] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   951] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   949] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   953] write(1, "executing program\n", 18 <unfinished ...>
[pid   952] <... futex resumed>)        = 0
[pid   951] <... futex resumed>)        = 1
[pid   948] <... futex resumed>)        = 0
[pid   953] <... write resumed>)        = 18
[pid   952] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   951] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   949] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   948] exit_group(0 <unfinished ...>
[pid   953] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   952] <... openat resumed>)       = 4
[pid   951] <... futex resumed>)        = ?
[pid   949] <... futex resumed>)        = 0
[pid   948] <... exit_group resumed>)   = ?
executing program
[pid   953] <... futex resumed>)        = 0
[pid   952] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   951] +++ exited with 0 +++
[pid   949] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   948] +++ exited with 0 +++
[pid   953] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   952] <... futex resumed>)        = 0
[pid   949] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=948, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   953] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   952] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   949] exit_group(0 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   953] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   949] <... exit_group resumed>)   = ?
[pid   953] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   952] <... futex resumed>)        = ?
[pid   953] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   953] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   953] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   952] +++ exited with 0 +++
[pid   949] +++ exited with 0 +++
[pid   953] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   953] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=949, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 954 attached
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   954] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   953] <... clone3 resumed> => {parent_tid=[954]}, 88) = 954
[pid   954] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   953] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   954] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   953] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   954] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   953] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   954] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   953] <... futex resumed>)        = 0
[pid   954] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   953] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   954] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   954] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   954] <... futex resumed>)        = 1
[pid   953] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 956 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 955 attached
 <unfinished ...>
[pid   954] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   953] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   956] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   955] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   956] <... set_robust_list resumed>) = 0
[pid   955] <... set_robust_list resumed>) = 0
[pid   954] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   953] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 955
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 956
[pid   956] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   955] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   954] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   953] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   956] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   955] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   954] <... futex resumed>)        = 0
[pid   956] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   955] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   953] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   954] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   956] <... prctl resumed>)        = 0
[pid   955] <... prctl resumed>)        = 0
[pid   954] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   953] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   956] setpgid(0, 0 <unfinished ...>
[pid   955] setpgid(0, 0 <unfinished ...>
[pid   954] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   953] <... futex resumed>)        = 0
[pid   956] <... setpgid resumed>)      = 0
[pid   955] <... setpgid resumed>)      = 0
[pid   954] <... openat resumed>)       = 3
[pid   955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   953] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   955] <... openat resumed>)       = 3
[pid   954] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   953] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   956] <... openat resumed>)       = 3
[pid   955] write(3, "1000", 4 <unfinished ...>
[pid   954] <... futex resumed>)        = 0
[pid   953] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   956] write(3, "1000", 4 <unfinished ...>
[pid   955] <... write resumed>)        = 4
[pid   954] write(3, "\x38\x00", 2 <unfinished ...>
[pid   953] <... futex resumed>)        = 0
[pid   956] <... write resumed>)        = 4
[pid   955] close(3 <unfinished ...>
[pid   954] <... write resumed>)        = 2
[pid   953] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   956] close(3 <unfinished ...>
[pid   955] <... close resumed>)        = 0
[pid   954] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   953] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   956] <... close resumed>)        = 0
[pid   955] write(1, "executing program\n", 18 <unfinished ...>
[pid   954] <... futex resumed>)        = 0
executing program
[pid   953] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   956] write(1, "executing program\n", 18 <unfinished ...>
[pid   955] <... write resumed>)        = 18
[pid   954] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   953] <... futex resumed>)        = 0
[pid   953] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   956] <... write resumed>)        = 18
ci2-android-6-12-rust/strace-static-x86_64: Process 957 attached
executing program
[pid   955] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   956] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   957] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   955] <... futex resumed>)        = 0
[pid   954] <... openat resumed>)       = 4
[pid   957] <... set_robust_list resumed>) = 0
[pid   955] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   954] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 957
[pid   955] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   954] <... futex resumed>)        = 1
[pid   957] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   955] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   954] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   957] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   955] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   957] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   956] <... futex resumed>)        = 0
[pid   955] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   953] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   957] <... prctl resumed>)        = 0
[pid   956] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   955] <... mmap resumed>)         = 0x7fb4de009000
[pid   953] exit_group(0 <unfinished ...>
[pid   957] setpgid(0, 0 <unfinished ...>
[pid   956] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   955] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   954] <... futex resumed>)        = ?
[pid   953] <... exit_group resumed>)   = ?
[pid   957] <... setpgid resumed>)      = 0
[pid   956] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   955] <... mprotect resumed>)     = 0
[pid   956] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   956] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   956] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   956] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   954] +++ exited with 0 +++
[pid   953] +++ exited with 0 +++
[pid   957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   956] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   955] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   957] <... openat resumed>)       = 3
[pid   956] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   955] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   957] write(3, "1000", 4 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=953, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   957] <... write resumed>)        = 4
[pid   955] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   957] close(3 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 958 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 959 attached
 <unfinished ...>
[pid   957] <... close resumed>)        = 0
[pid   956] <... clone3 resumed> => {parent_tid=[959]}, 88) = 959
[pid   958] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   959] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   957] write(1, "executing program\n", 18 <unfinished ...>
[pid   956] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   955] <... clone3 resumed> => {parent_tid=[958]}, 88) = 958
[pid   959] <... set_robust_list resumed>) = 0
[pid   958] <... set_robust_list resumed>) = 0
[pid   957] <... write resumed>)        = 18
[pid   956] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid   959] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   958] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   957] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   956] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   955] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   959] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   958] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   957] <... futex resumed>)        = 0
[pid   956] <... futex resumed>)        = 0
[pid   959] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   958] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   957] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   956] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   955] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   959] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   957] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   959] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   955] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   959] <... futex resumed>)        = 1
[pid   957] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   959] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   958] <... futex resumed>)        = 0
[pid   955] <... futex resumed>)        = 1
[pid   957] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   958] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   957] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   956] <... futex resumed>)        = 0
[pid   955] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   958] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   957] <... mmap resumed>)         = 0x7fb4de009000
[pid   956] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   959] <... futex resumed>)        = 0
[pid   958] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   957] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   956] <... futex resumed>)        = 1
[pid   959] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   958] <... futex resumed>)        = 1
[pid   957] <... mprotect resumed>)     = 0
[pid   956] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   955] <... futex resumed>)        = 0
[pid   959] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   958] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   957] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   959] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   958] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   957] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   955] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   959] <... futex resumed>)        = 1
[pid   958] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   957] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   956] <... futex resumed>)        = 0
[pid   955] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 960 attached
[pid   959] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   958] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   956] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   955] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   960] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   959] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   958] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   957] <... clone3 resumed> => {parent_tid=[960]}, 88) = 960
[pid   956] <... futex resumed>)        = 0
[pid   955] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   960] <... set_robust_list resumed>) = 0
[pid   959] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   958] <... futex resumed>)        = 0
[pid   957] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   955] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   960] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   959] <... openat resumed>)       = 3
[pid   958] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   957] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   955] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   960] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   959] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   958] <... openat resumed>)       = 3
[pid   957] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   955] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   956] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 961 attached
[pid   960] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   959] <... futex resumed>)        = 0
[pid   958] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   957] <... futex resumed>)        = 0
[pid   956] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   955] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   961] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   960] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   959] write(3, "\x38\x00", 2 <unfinished ...>
[pid   958] <... futex resumed>)        = 0
[pid   957] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   956] <... futex resumed>)        = 0
[pid   955] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   961] <... set_robust_list resumed>) = 0
[pid   960] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   959] <... write resumed>)        = 2
[pid   958] write(3, "\x38\x00", 2 <unfinished ...>
[pid   957] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   956] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 961
[pid   961] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   960] <... futex resumed>)        = 0
[pid   959] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   958] <... write resumed>)        = 2
[pid   957] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   956] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   955] <... futex resumed>)        = 0
[pid   961] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   960] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   959] <... futex resumed>)        = 0
[pid   958] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   957] <... futex resumed>)        = 0
[pid   956] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   955] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   961] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   960] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   959] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   958] <... futex resumed>)        = 0
[pid   957] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   956] <... futex resumed>)        = 0
[pid   955] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   961] <... prctl resumed>)        = 0
[pid   960] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   959] <... openat resumed>)       = 4
[pid   958] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   957] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   956] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   955] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   961] setpgid(0, 0 <unfinished ...>
[pid   960] <... futex resumed>)        = 0
[pid   959] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   958] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   957] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   956] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   955] <... futex resumed>)        = 0
[pid   961] <... setpgid resumed>)      = 0
[pid   960] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   959] <... futex resumed>)        = 0
[pid   958] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   957] <... futex resumed>)        = 0
[pid   956] exit_group(0 <unfinished ...>
[pid   961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   960] <... openat resumed>)       = 3
[pid   957] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   956] <... exit_group resumed>)   = ?
[pid   955] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   961] <... openat resumed>)       = 3
[pid   958] <... openat resumed>)       = 4
[pid   960] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   960] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   959] +++ exited with 0 +++
[pid   956] +++ exited with 0 +++
[pid   961] write(3, "1000", 4 <unfinished ...>
[pid   958] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   957] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   961] <... write resumed>)        = 4
[pid   958] <... futex resumed>)        = 1
[pid   957] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   955] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=956, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   961] close(3 <unfinished ...>
[pid   960] <... futex resumed>)        = 0
[pid   958] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   957] <... futex resumed>)        = 1
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   955] exit_group(0 <unfinished ...>
[pid   961] <... close resumed>)        = 0
[pid   960] write(3, "\x38\x00", 2 <unfinished ...>
[pid   958] <... futex resumed>)        = ?
[pid   957] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   955] <... exit_group resumed>)   = ?
[pid   961] write(1, "executing program\n", 18 <unfinished ...>
[pid   960] <... write resumed>)        = 2
[pid   958] +++ exited with 0 +++
[pid   960] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   960] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   961] <... write resumed>)        = 18
executing program
[pid   961] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   955] +++ exited with 0 +++
[pid   957] <... futex resumed>)        = 0
[pid   961] <... futex resumed>)        = 0
[pid   957] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   961] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   960] <... futex resumed>)        = 0
[pid   957] <... futex resumed>)        = 1
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=955, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   960] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   957] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   961] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   960] <... openat resumed>)       = 4
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   961] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   960] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   961] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   961] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   960] <... futex resumed>)        = 1
[pid   957] <... futex resumed>)        = 0
[pid   961] <... mmap resumed>)         = 0x7fb4de009000
[pid   961] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   960] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   957] exit_group(0 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   961] <... mprotect resumed>)     = 0
[pid   960] <... futex resumed>)        = ?
[pid   957] <... exit_group resumed>)   = ?
[pid   961] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   960] +++ exited with 0 +++
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   957] +++ exited with 0 +++
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=957, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   961] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   961] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 963 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 962 attached
 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   963] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   962] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   961] <... clone3 resumed> => {parent_tid=[963]}, 88) = 963
[pid   963] <... set_robust_list resumed>) = 0
[pid   962] <... set_robust_list resumed>) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 962
[pid   963] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   961] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 964 attached
 <unfinished ...>
[pid   963] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   962] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   961] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   964] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   963] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   962] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   961] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 964
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   964] <... set_robust_list resumed>) = 0
[pid   963] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   962] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   961] <... futex resumed>)        = 0
[pid   963] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   962] <... prctl resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   964] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   963] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   962] setpgid(0, 0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   964] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   963] <... futex resumed>)        = 0
[pid   962] <... setpgid resumed>)      = 0
[pid   961] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   964] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   963] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   961] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   964] <... prctl resumed>)        = 0
[pid   963] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   961] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   964] setpgid(0, 0 <unfinished ...>
[pid   963] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   962] <... openat resumed>)       = 3
[pid   961] <... futex resumed>)        = 0
[pid   964] <... setpgid resumed>)      = 0
[pid   963] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   962] write(3, "1000", 4 <unfinished ...>
[pid   961] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   963] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   962] <... write resumed>)        = 4
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   964] <... openat resumed>)       = 3
[pid   963] <... futex resumed>)        = 1
[pid   962] close(3 <unfinished ...>
[pid   961] <... futex resumed>)        = 0
[pid   961] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   961] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   964] write(3, "1000", 4ci2-android-6-12-rust/strace-static-x86_64: Process 965 attached
 <unfinished ...>
[pid   963] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   962] <... close resumed>)        = 0
[pid   965] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   962] write(1, "executing program\n", 18 <unfinished ...>
[pid   963] <... openat resumed>)       = 3
[pid   965] <... set_robust_list resumed>) = 0
[pid   962] <... write resumed>)        = 18
[pid   963] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 965
[pid   963] <... futex resumed>)        = 1
executing program
[pid   962] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   965] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   964] <... write resumed>)        = 4
[pid   963] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   962] <... futex resumed>)        = 0
[pid   961] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   965] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   964] close(3 <unfinished ...>
[pid   962] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   961] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   965] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   964] <... close resumed>)        = 0
[pid   963] <... futex resumed>)        = 0
[pid   962] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   961] <... futex resumed>)        = 1
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   965] <... prctl resumed>)        = 0
[pid   964] write(1, "executing program\n", 18 <unfinished ...>
[pid   963] write(3, "\x38\x00", 2 <unfinished ...>
[pid   962] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   961] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   965] setpgid(0, 0 <unfinished ...>
[pid   964] <... write resumed>)        = 18
executing program
[pid   963] <... write resumed>)        = 2
[pid   962] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   965] <... setpgid resumed>)      = 0
[pid   964] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   963] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   962] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   964] <... futex resumed>)        = 0
[pid   963] <... futex resumed>)        = 1
[pid   961] <... futex resumed>)        = 0
[pid   964] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   962] <... mmap resumed>)         = 0x7fb4de009000
[pid   961] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   965] <... openat resumed>)       = 3
[pid   964] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   963] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   962] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   961] <... futex resumed>)        = 0
[pid   965] write(3, "1000", 4 <unfinished ...>
[pid   964] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   961] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   965] <... write resumed>)        = 4
[pid   964] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   963] <... openat resumed>)       = 4
[pid   962] <... mprotect resumed>)     = 0
[pid   965] close(3 <unfinished ...>
[pid   964] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   965] <... close resumed>)        = 0
[pid   964] <... mmap resumed>)         = 0x7fb4de009000
[pid   963] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   962] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   965] write(1, "executing program\n", 18 <unfinished ...>
[pid   964] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   963] <... futex resumed>)        = 1
[pid   961] <... futex resumed>)        = 0
[pid   965] <... write resumed>)        = 18
[pid   964] <... mprotect resumed>)     = 0
executing program
[pid   963] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   962] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   961] exit_group(0 <unfinished ...>
[pid   965] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   964] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   963] <... futex resumed>)        = ?
[pid   962] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   961] <... exit_group resumed>)   = ?
[pid   965] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 966 attached
[pid   965] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   964] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   963] +++ exited with 0 +++
[pid   961] +++ exited with 0 +++
[pid   966] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   965] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   962] <... clone3 resumed> => {parent_tid=[966]}, 88) = 966
[pid   966] <... set_robust_list resumed>) = 0
[pid   965] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   966] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   962] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=961, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   965] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   966] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   962] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   965] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   966] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   962] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   965] <... mmap resumed>)         = 0x7fb4de009000
[pid   966] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   962] <... futex resumed>)        = 0
[pid   965] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   966] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   965] <... mprotect resumed>)     = 0
[pid   964] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   962] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 967 attached
 <unfinished ...>
[pid   966] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   965] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   967] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   966] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   965] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   964] <... clone3 resumed> => {parent_tid=[967]}, 88) = 967
[pid   967] <... set_robust_list resumed>) = 0
[pid   966] <... futex resumed>)        = 1
[pid   965] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   964] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   962] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   967] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   966] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   964] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 968 attached
[pid   967] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   966] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   964] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   962] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   968] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   967] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   966] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   965] <... clone3 resumed> => {parent_tid=[968]}, 88) = 968
[pid   964] <... futex resumed>)        = 0
[pid   962] <... futex resumed>)        = 0
[pid   968] <... set_robust_list resumed>) = 0
[pid   967] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   966] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   965] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   964] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   968] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   967] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   966] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   965] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   964] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   962] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   968] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   967] <... futex resumed>)        = 0
[pid   966] <... futex resumed>)        = 0
[pid   965] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   964] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   962] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   968] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   967] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   966] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   965] <... futex resumed>)        = 0
[pid   964] <... futex resumed>)        = 0
[pid   962] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   968] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   967] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   966] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   965] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   964] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   962] <... futex resumed>)        = 0
[pid   968] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   965] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   968] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   967] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   966] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   965] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   962] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   968] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   967] <... futex resumed>)        = 1
[pid   966] <... openat resumed>)       = 3
[pid   965] <... futex resumed>)        = 0
[pid   964] <... futex resumed>)        = 0
[pid   968] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   967] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   966] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   965] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   964] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 969 attached
 <unfinished ...>
[pid   968] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   967] <... openat resumed>)       = 3
[pid   966] <... futex resumed>)        = 1
[pid   964] <... futex resumed>)        = 0
[pid   962] <... futex resumed>)        = 0
[pid   969] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   968] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   967] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   966] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   964] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   969] <... set_robust_list resumed>) = 0
[pid   965] <... futex resumed>)        = 0
[pid   964] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   962] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 969
[pid   969] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   968] <... futex resumed>)        = 1
[pid   967] <... futex resumed>)        = 0
[pid   966] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   965] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   964] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   962] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   969] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   968] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   967] write(3, "\x38\x00", 2 <unfinished ...>
[pid   966] write(3, "\x38\x00", 2 <unfinished ...>
[pid   965] <... futex resumed>)        = 0
[pid   964] <... futex resumed>)        = 0
[pid   962] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   969] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   968] <... openat resumed>)       = 3
[pid   967] <... write resumed>)        = 2
[pid   966] <... write resumed>)        = 2
[pid   965] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   969] <... prctl resumed>)        = 0
[pid   968] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   967] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   966] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   965] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   969] setpgid(0, 0 <unfinished ...>
[pid   968] <... futex resumed>)        = 0
[pid   967] <... futex resumed>)        = 0
[pid   966] <... futex resumed>)        = 1
[pid   965] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   962] <... futex resumed>)        = 0
[pid   969] <... setpgid resumed>)      = 0
[pid   968] write(3, "\x38\x00", 2 <unfinished ...>
[pid   967] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   966] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   965] <... futex resumed>)        = 0
[pid   962] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   968] <... write resumed>)        = 2
[pid   966] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   962] <... futex resumed>)        = 0
[pid   968] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   965] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   969] <... openat resumed>)       = 3
[pid   968] <... futex resumed>)        = 0
[pid   966] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   965] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   964] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   962] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   969] write(3, "1000", 4 <unfinished ...>
[pid   968] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   966] <... openat resumed>)       = 4
[pid   965] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   964] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   969] <... write resumed>)        = 4
[pid   968] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   966] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   965] <... futex resumed>)        = 0
[pid   964] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   969] close(3 <unfinished ...>
[pid   968] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   967] <... futex resumed>)        = 0
[pid   966] <... futex resumed>)        = 1
[pid   965] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   964] <... futex resumed>)        = 1
[pid   962] <... futex resumed>)        = 0
[pid   969] <... close resumed>)        = 0
[pid   968] <... openat resumed>)       = 4
[pid   967] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   966] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   964] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   969] write(1, "executing program\n", 18 <unfinished ...>
[pid   968] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   967] <... openat resumed>)       = 4
[pid   962] exit_group(0 <unfinished ...>
[pid   969] <... write resumed>)        = 18
[pid   968] <... futex resumed>)        = 1
[pid   967] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid   965] <... futex resumed>)        = 0
[pid   962] <... exit_group resumed>)   = ?
[pid   969] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   968] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   967] <... futex resumed>)        = 1
[pid   966] <... futex resumed>)        = ?
[pid   964] <... futex resumed>)        = 0
[pid   969] <... futex resumed>)        = 0
[pid   967] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   965] exit_group(0 <unfinished ...>
[pid   964] exit_group(0)               = ?
[pid   969] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   969] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   966] +++ exited with 0 +++
[pid   962] +++ exited with 0 +++
[pid   968] <... futex resumed>)        = ?
[pid   967] <... futex resumed>)        = ?
[pid   965] <... exit_group resumed>)   = ?
[pid   969] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   968] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=962, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   969] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   969] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   965] +++ exited with 0 +++
[pid   969] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   967] +++ exited with 0 +++
[pid   964] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=965, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=964, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   969] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 970 attached
 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   970] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   970] <... set_robust_list resumed>) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   970] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   969] <... clone3 resumed> => {parent_tid=[970]}, 88) = 970
[pid   969] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 971 attached
[pid   970] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   969] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   969] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 972 attached
 <unfinished ...>
[pid   970] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   971] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   972] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   971] <... set_robust_list resumed>) = 0
[pid   970] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 972
[pid   970] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 971
[pid   972] <... set_robust_list resumed>) = 0
[pid   971] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   970] <... futex resumed>)        = 1
[pid   969] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   972] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   971] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   970] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   972] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   971] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   972] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   971] <... prctl resumed>)        = 0
[pid   969] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   972] <... prctl resumed>)        = 0
[pid   969] <... futex resumed>)        = 1
[pid   969] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   972] setpgid(0, 0 <unfinished ...>
[pid   971] setpgid(0, 0 <unfinished ...>
[pid   970] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   970] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   972] <... setpgid resumed>)      = 0
[pid   971] <... setpgid resumed>)      = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   970] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   971] <... openat resumed>)       = 3
[pid   970] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   969] <... futex resumed>)        = 0
[pid   969] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   969] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   970] <... futex resumed>)        = 1
[pid   970] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLYci2-android-6-12-rust/strace-static-x86_64: Process 973 attached
) = 3
[pid   972] <... openat resumed>)       = 3
[pid   971] write(3, "1000", 4 <unfinished ...>
[pid   973] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   972] write(3, "1000", 4 <unfinished ...>
[pid   973] <... set_robust_list resumed>) = 0
[pid   971] <... write resumed>)        = 4
[pid   972] <... write resumed>)        = 4
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 973
[pid   973] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   972] close(3 <unfinished ...>
[pid   971] close(3 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   973] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   972] <... close resumed>)        = 0
[pid   971] <... close resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   973] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   972] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   971] write(1, "executing program\n", 18 <unfinished ...>
[pid   970] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   973] <... prctl resumed>)        = 0
[pid   972] <... write resumed>)        = 18
[pid   971] <... write resumed>)        = 18
[pid   970] <... futex resumed>)        = 1
executing program
[pid   969] <... futex resumed>)        = 0
[pid   973] setpgid(0, 0 <unfinished ...>
[pid   972] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   971] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   970] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   969] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   973] <... setpgid resumed>)      = 0
[pid   972] <... futex resumed>)        = 0
[pid   971] <... futex resumed>)        = 0
[pid   970] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   969] <... futex resumed>)        = 0
[pid   973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   972] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   971] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   970] write(3, "\x38\x00", 2 <unfinished ...>
[pid   969] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   973] <... openat resumed>)       = 3
[pid   972] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   971] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   970] <... write resumed>)        = 2
[pid   973] write(3, "1000", 4 <unfinished ...>
[pid   972] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   971] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   970] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   973] <... write resumed>)        = 4
[pid   972] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   971] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   970] <... futex resumed>)        = 1
[pid   969] <... futex resumed>)        = 0
[pid   973] close(3 <unfinished ...>
[pid   972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   971] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   970] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   969] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   973] <... close resumed>)        = 0
[pid   972] <... mmap resumed>)         = 0x7fb4de009000
[pid   971] <... mmap resumed>)         = 0x7fb4de009000
[pid   970] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   969] <... futex resumed>)        = 0
[pid   973] write(1, "executing program\n", 18 <unfinished ...>
[pid   972] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   971] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
executing program
[pid   970] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   969] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   973] <... write resumed>)        = 18
[pid   972] <... mprotect resumed>)     = 0
[pid   971] <... mprotect resumed>)     = 0
[pid   970] <... openat resumed>)       = 4
[pid   973] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   970] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   973] <... futex resumed>)        = 0
[pid   972] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   971] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   973] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   972] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   971] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   973] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   972] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   971] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   973] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 974 attached
 <unfinished ...>
[pid   970] <... futex resumed>)        = 1
[pid   969] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 975 attached
[pid   974] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   973] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   970] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   969] exit_group(0 <unfinished ...>
[pid   975] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   974] <... set_robust_list resumed>) = 0
[pid   973] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   972] <... clone3 resumed> => {parent_tid=[974]}, 88) = 974
[pid   971] <... clone3 resumed> => {parent_tid=[975]}, 88) = 975
[pid   970] <... futex resumed>)        = ?
[pid   969] <... exit_group resumed>)   = ?
[pid   975] <... set_robust_list resumed>) = 0
[pid   974] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   973] <... mmap resumed>)         = 0x7fb4de009000
[pid   972] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   971] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   970] +++ exited with 0 +++
[pid   969] +++ exited with 0 +++
[pid   975] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   974] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   973] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   972] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   971] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   975] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   974] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   973] <... mprotect resumed>)     = 0
[pid   972] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   971] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   974] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=969, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   975] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   972] <... futex resumed>)        = 0
[pid   971] <... futex resumed>)        = 0
[pid   975] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   974] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   973] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   972] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   975] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   974] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   973] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   971] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   975] <... futex resumed>)        = 0
[pid   974] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   973] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   975] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   974] <... futex resumed>)        = 1
[pid   972] <... futex resumed>)        = 0
[pid   971] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 976 attached
[pid   974] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   972] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   971] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   976] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   974] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   973] <... clone3 resumed> => {parent_tid=[976]}, 88) = 976
[pid   972] <... futex resumed>)        = 0
[pid   976] <... set_robust_list resumed>) = 0
[pid   975] <... futex resumed>)        = 0
[pid   974] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   971] <... futex resumed>)        = 1
[pid   975] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   974] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   973] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   976] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   975] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   974] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   972] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   971] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   976] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   975] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   974] <... futex resumed>)        = 0
[pid   973] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   972] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   971] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   976] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   975] <... futex resumed>)        = 0
[pid   974] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   973] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   972] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   971] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   976] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   975] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   974] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   973] <... futex resumed>)        = 0
[pid   972] <... futex resumed>)        = 0
[pid   976] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   971] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   975] <... openat resumed>)       = 3
[pid   974] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   973] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   972] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   971] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   976] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   975] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   974] <... openat resumed>)       = 3
[pid   971] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   976] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   975] <... futex resumed>)        = 0
[pid   974] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   971] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   976] <... futex resumed>)        = 1
[pid   975] write(3, "\x38\x00", 2 <unfinished ...>
[pid   976] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   974] <... futex resumed>)        = 1
[pid   973] <... futex resumed>)        = 0
[pid   972] <... futex resumed>)        = 0
[pid   971] <... futex resumed>)        = 0
[pid   975] <... write resumed>)        = 2
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   975] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   974] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   973] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   972] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   971] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   976] <... futex resumed>)        = 0
[pid   975] <... futex resumed>)        = 0
[pid   974] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   973] <... futex resumed>)        = 1
[pid   972] <... futex resumed>)        = 0
[pid   971] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   976] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   975] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   974] write(3, "\x38\x00", 2 <unfinished ...>
[pid   973] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   972] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   971] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   976] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
ci2-android-6-12-rust/strace-static-x86_64: Process 977 attached
[pid   976] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   975] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   974] <... write resumed>)        = 2
[pid   971] <... futex resumed>)        = 0
[pid   977] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   976] <... futex resumed>)        = 1
[pid   975] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   974] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   973] <... futex resumed>)        = 0
[pid   971] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 977
[pid   977] <... set_robust_list resumed>) = 0
[pid   976] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   975] <... openat resumed>)       = 4
[pid   974] <... futex resumed>)        = 1
[pid   973] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   972] <... futex resumed>)        = 0
[pid   977] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   976] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   975] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   974] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   973] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   972] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   977] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   976] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   975] <... futex resumed>)        = 1
[pid   974] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   973] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   971] <... futex resumed>)        = 0
[pid   972] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   977] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   976] <... openat resumed>)       = 3
[pid   975] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   974] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   977] <... prctl resumed>)        = 0
[pid   976] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   972] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   971] exit_group(0 <unfinished ...>
[pid   977] setpgid(0, 0 <unfinished ...>
[pid   976] <... futex resumed>)        = 1
[pid   975] <... futex resumed>)        = ?
[pid   973] <... futex resumed>)        = 0
[pid   971] <... exit_group resumed>)   = ?
[pid   976] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   974] <... openat resumed>)       = 4
[pid   973] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   977] <... setpgid resumed>)      = 0
[pid   976] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   974] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   973] <... futex resumed>)        = 0
[pid   976] write(3, "\x38\x00", 2 <unfinished ...>
[pid   977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   976] <... write resumed>)        = 2
[pid   975] +++ exited with 0 +++
[pid   974] <... futex resumed>)        = 1
[pid   973] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   972] <... futex resumed>)        = 0
[pid   971] +++ exited with 0 +++
[pid   976] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   974] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   973] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   976] <... futex resumed>)        = 0
[pid   972] exit_group(0 <unfinished ...>
[pid   973] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   976] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   974] <... futex resumed>)        = ?
[pid   973] <... futex resumed>)        = 0
[pid   972] <... exit_group resumed>)   = ?
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=971, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   974] +++ exited with 0 +++
[pid   977] write(3, "1000", 4 <unfinished ...>
[pid   976] <... openat resumed>)       = 4
[pid   973] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   977] <... write resumed>)        = 4
[pid   977] close(3)                    = 0
[pid   977] write(1, "executing program\n", 18) = 18
executing program
[pid   977] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   976] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   972] +++ exited with 0 +++
[pid   977] <... futex resumed>)        = 0
[pid   973] <... futex resumed>)        = 0
[pid   977] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   976] <... futex resumed>)        = 1
[pid   977] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   973] exit_group(0 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=972, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   976] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   977] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   977] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   976] <... futex resumed>)        = ?
[pid   973] <... exit_group resumed>)   = ?
[pid   977] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   977] <... mmap resumed>)         = 0x7fb4de009000
[pid   976] +++ exited with 0 +++
[pid   977] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   977] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   973] +++ exited with 0 +++
[pid   313] <... restart_syscall resumed>) = 0
[pid   977] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=973, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   977] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 978 attached
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   977] <... clone3 resumed> => {parent_tid=[978]}, 88) = 978
[pid   977] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   977] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 979 attached
[pid   977] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 980 attached
 <unfinished ...>
[pid   978] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   979] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   978] <... set_robust_list resumed>) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 980
[pid   980] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   979] <... set_robust_list resumed>) = 0
[pid   980] <... set_robust_list resumed>) = 0
[pid   978] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   980] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   979] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   978] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 979
[pid   980] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   979] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   978] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   980] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   979] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   978] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   980] setpgid(0, 0 <unfinished ...>
[pid   979] <... prctl resumed>)        = 0
[pid   978] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   980] <... setpgid resumed>)      = 0
[pid   979] setpgid(0, 0 <unfinished ...>
[pid   978] <... futex resumed>)        = 1
[pid   979] <... setpgid resumed>)      = 0
[pid   980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   978] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   977] <... futex resumed>)        = 0
[pid   980] <... openat resumed>)       = 3
[pid   977] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   980] write(3, "1000", 4 <unfinished ...>
[pid   979] <... openat resumed>)       = 3
[pid   978] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   977] <... futex resumed>)        = 0
[pid   980] <... write resumed>)        = 4
[pid   979] write(3, "1000", 4 <unfinished ...>
[pid   978] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   980] close(3 <unfinished ...>
[pid   979] <... write resumed>)        = 4
[pid   977] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   980] <... close resumed>)        = 0
[pid   979] close(3 <unfinished ...>
[pid   978] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   980] write(1, "executing program\n", 18 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   980] <... write resumed>)        = 18
[pid   979] <... close resumed>)        = 0
[pid   978] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   979] write(1, "executing program\n", 18 <unfinished ...>
[pid   980] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   978] <... futex resumed>)        = 1
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   980] <... futex resumed>)        = 0
[pid   979] <... write resumed>)        = 18
executing program
executing program
[pid   978] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   977] <... futex resumed>)        = 0
[pid   977] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   977] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 981 attached
 <unfinished ...>
[pid   980] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   979] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   980] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   979] <... futex resumed>)        = 0
[pid   978] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 981
[pid   980] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   979] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   978] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   980] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   979] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   980] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   979] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   978] <... openat resumed>)       = 3
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   981] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   980] <... mmap resumed>)         = 0x7fb4de009000
[pid   979] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   978] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   981] <... set_robust_list resumed>) = 0
[pid   980] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   981] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   979] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   978] <... futex resumed>)        = 1
[pid   977] <... futex resumed>)        = 0
[pid   981] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   980] <... mprotect resumed>)     = 0
[pid   979] <... mmap resumed>)         = 0x7fb4de009000
[pid   978] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   977] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   981] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   980] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   978] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   977] <... futex resumed>)        = 0
[pid   981] <... prctl resumed>)        = 0
[pid   980] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   979] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   978] write(3, "\x38\x00", 2 <unfinished ...>
[pid   977] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   981] setpgid(0, 0 <unfinished ...>
[pid   980] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   979] <... mprotect resumed>)     = 0
[pid   978] <... write resumed>)        = 2
[pid   981] <... setpgid resumed>)      = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 982 attached
[pid   981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   978] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   982] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   979] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   982] <... set_robust_list resumed>) = 0
[pid   980] <... clone3 resumed> => {parent_tid=[982]}, 88) = 982
[pid   978] <... futex resumed>)        = 1
[pid   979] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   982] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   980] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   978] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   979] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   982] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   980] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 983 attached
[pid   982] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   981] <... openat resumed>)       = 3
[pid   980] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   977] <... futex resumed>)        = 0
[pid   983] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   982] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   981] write(3, "1000", 4 <unfinished ...>
[pid   977] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   983] <... set_robust_list resumed>) = 0
[pid   982] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   981] <... write resumed>)        = 4
[pid   980] <... futex resumed>)        = 0
[pid   979] <... clone3 resumed> => {parent_tid=[983]}, 88) = 983
[pid   977] <... futex resumed>)        = 1
[pid   978] <... futex resumed>)        = 0
[pid   983] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   982] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   981] close(3 <unfinished ...>
[pid   980] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   979] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   977] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   983] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   982] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   981] <... close resumed>)        = 0
[pid   980] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   979] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   978] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   983] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   982] <... futex resumed>)        = 0
[pid   981] write(1, "executing program\n", 18 <unfinished ...>
[pid   980] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid   979] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   983] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   982] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   981] <... write resumed>)        = 18
[pid   980] <... futex resumed>)        = 0
[pid   979] <... futex resumed>)        = 0
[pid   978] <... openat resumed>)       = 4
[pid   981] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   983] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   982] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   981] <... futex resumed>)        = 0
[pid   980] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   979] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   978] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   983] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   982] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   981] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   980] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   978] <... futex resumed>)        = 1
[pid   977] <... futex resumed>)        = 0
[pid   983] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   982] <... futex resumed>)        = 0
[pid   981] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   980] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   978] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   977] exit_group(0 <unfinished ...>
[pid   983] <... futex resumed>)        = 1
[pid   982] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   981] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   980] <... futex resumed>)        = 0
[pid   979] <... futex resumed>)        = 0
[pid   978] <... futex resumed>)        = ?
[pid   977] <... exit_group resumed>)   = ?
[pid   983] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   982] <... openat resumed>)       = 3
[pid   981] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   980] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   979] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   978] +++ exited with 0 +++
[pid   977] +++ exited with 0 +++
[pid   983] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   982] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   981] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   980] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   979] <... futex resumed>)        = 0
[pid   983] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   982] <... futex resumed>)        = 0
[pid   981] <... mmap resumed>)         = 0x7fb4de009000
[pid   981] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   980] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   979] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=977, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   983] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   982] write(3, "\x38\x00", 2 <unfinished ...>
[pid   981] <... mprotect resumed>)     = 0
[pid   980] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   982] <... write resumed>)        = 2
[pid   980] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   983] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   982] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   983] <... futex resumed>)        = 1
[pid   982] <... futex resumed>)        = 0
[pid   980] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   979] <... futex resumed>)        = 0
[pid   983] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   982] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   980] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   979] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   983] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   982] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   980] <... futex resumed>)        = 0
[pid   979] <... futex resumed>)        = 0
[pid   983] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   982] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   980] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   979] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   983] <... openat resumed>)       = 3
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   983] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   982] <... openat resumed>)       = 4
[pid   981] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   983] <... futex resumed>)        = 1
[pid   982] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   981] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   979] <... futex resumed>)        = 0
[pid   983] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   982] <... futex resumed>)        = 1
[pid   981] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   980] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 984 attached
 <unfinished ...>
[pid   983] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   982] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   979] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   981] <... clone3 resumed> => {parent_tid=[984]}, 88) = 984
[pid   980] exit_group(0 <unfinished ...>
[pid   981] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   981] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 985 attached
[pid   984] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   983] write(3, "\x38\x00", 2 <unfinished ...>
[pid   982] <... futex resumed>)        = ?
[pid   981] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   980] <... exit_group resumed>)   = ?
[pid   979] <... futex resumed>)        = 0
[pid   985] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   984] <... set_robust_list resumed>) = 0
[pid   983] <... write resumed>)        = 2
[pid   982] +++ exited with 0 +++
[pid   979] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 985
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   985] <... set_robust_list resumed>) = 0
[pid   980] +++ exited with 0 +++
[pid   985] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   984] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   983] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   985] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   984] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   983] <... futex resumed>)        = 1
[pid   979] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=980, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   985] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   984] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   983] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   979] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   984] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   979] <... futex resumed>)        = 0
[pid   985] <... prctl resumed>)        = 0
[pid   984] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   983] <... openat resumed>)       = 4
[pid   979] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   985] setpgid(0, 0)               = 0
[pid   984] <... futex resumed>)        = 1
[pid   983] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   981] <... futex resumed>)        = 0
[pid   985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   984] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   981] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   985] <... openat resumed>)       = 3
[pid   984] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   983] <... futex resumed>)        = 1
[pid   981] <... futex resumed>)        = 0
[pid   979] <... futex resumed>)        = 0
[pid   984] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   983] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   981] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   985] write(3, "1000", 4 <unfinished ...>
[pid   984] <... futex resumed>)        = 0
[pid   981] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   979] exit_group(0 <unfinished ...>
[pid   985] <... write resumed>)        = 4
[pid   984] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   981] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   985] close(3 <unfinished ...>
[pid   983] <... futex resumed>)        = ?
[pid   981] <... futex resumed>)        = 0
[pid   979] <... exit_group resumed>)   = ?
[pid   985] <... close resumed>)        = 0
[pid   984] <... openat resumed>)       = 3
[pid   981] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   985] write(1, "executing program\n", 18) = 18
executing program
[pid   985] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   985] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   984] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   983] +++ exited with 0 +++
[pid   979] +++ exited with 0 +++
[pid   981] <... futex resumed>)        = 0
[pid   985] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   981] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   984] <... futex resumed>)        = 1
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=979, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   985] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   984] write(3, "\x38\x00", 2 <unfinished ...>
[pid   981] <... futex resumed>)        = 0
[pid   985] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   985] <... mmap resumed>)         = 0x7fb4de009000
[pid   984] <... write resumed>)        = 2
[pid   981] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   984] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   981] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   984] <... futex resumed>)        = 0
[pid   981] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   985] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 986 attached
[pid   985] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   984] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   981] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   986] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   985] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   985] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 988 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 987 attached
 <unfinished ...>
[pid   986] <... set_robust_list resumed>) = 0
[pid   981] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 986
[pid   988] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   987] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   985] <... clone3 resumed> => {parent_tid=[987]}, 88) = 987
[pid   984] <... openat resumed>)       = 4
[pid   988] <... set_robust_list resumed>) = 0
[pid   986] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   984] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 988
[pid   988] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   986] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   981] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   988] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   984] <... futex resumed>)        = 1
[pid   981] exit_group(0 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   984] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   988] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   987] <... set_robust_list resumed>) = 0
[pid   986] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   985] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   984] <... futex resumed>)        = ?
[pid   981] <... exit_group resumed>)   = ?
[pid   988] <... prctl resumed>)        = 0
[pid   987] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   986] <... prctl resumed>)        = 0
[pid   985] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   987] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   985] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   984] +++ exited with 0 +++
[pid   987] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   985] <... futex resumed>)        = 0
[pid   987] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   985] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   981] +++ exited with 0 +++
[pid   988] setpgid(0, 0 <unfinished ...>
[pid   987] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   986] setpgid(0, 0 <unfinished ...>
[pid   985] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   988] <... setpgid resumed>)      = 0
[pid   987] <... futex resumed>)        = 0
[pid   986] <... setpgid resumed>)      = 0
[pid   985] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   987] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   985] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=981, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   988] <... openat resumed>)       = 3
[pid   987] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   985] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   988] write(3, "1000", 4 <unfinished ...>
[pid   987] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   985] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   988] <... write resumed>)        = 4
[pid   987] <... futex resumed>)        = 0
[pid   986] <... openat resumed>)       = 3
[pid   985] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   988] close(3 <unfinished ...>
[pid   987] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   986] write(3, "1000", 4 <unfinished ...>
[pid   985] <... futex resumed>)        = 0
[pid   988] <... close resumed>)        = 0
[pid   987] <... openat resumed>)       = 3
[pid   986] <... write resumed>)        = 4
[pid   985] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   988] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   987] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   986] close(3 <unfinished ...>
[pid   985] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   988] <... write resumed>)        = 18
[pid   987] <... futex resumed>)        = 0
[pid   985] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   988] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   987] write(3, "\x38\x00", 2 <unfinished ...>
[pid   986] <... close resumed>)        = 0
[pid   985] <... futex resumed>)        = 0
[pid   988] <... futex resumed>)        = 0
[pid   987] <... write resumed>)        = 2
[pid   986] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   985] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   988] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   987] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   986] <... write resumed>)        = 18
[pid   985] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   988] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   987] <... futex resumed>)        = 0
[pid   986] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   985] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   988] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   987] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   986] <... futex resumed>)        = 0
[pid   985] <... futex resumed>)        = 0
[pid   988] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   986] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   988] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   986] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   988] <... mmap resumed>)         = 0x7fb4de009000
[pid   987] <... openat resumed>)       = 4
[pid   986] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   985] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   988] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   987] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   986] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   985] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   988] <... mprotect resumed>)     = 0
[pid   987] <... futex resumed>)        = 0
[pid   986] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   985] exit_group(0 <unfinished ...>
[pid   988] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   986] <... mmap resumed>)         = 0x7fb4de009000
[pid   985] <... exit_group resumed>)   = ?
[pid   988] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   987] +++ exited with 0 +++
[pid   986] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   988] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   986] <... mprotect resumed>)     = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 989 attached
[pid   986] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   985] +++ exited with 0 +++
[pid   989] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   988] <... clone3 resumed> => {parent_tid=[989]}, 88) = 989
[pid   986] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=985, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   989] <... set_robust_list resumed>) = 0
[pid   988] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   986] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   989] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   988] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 990 attached
[pid   989] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   988] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   990] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   989] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   988] <... futex resumed>)        = 0
[pid   986] <... clone3 resumed> => {parent_tid=[990]}, 88) = 990
[pid   312] <... restart_syscall resumed>) = 0
[pid   990] <... set_robust_list resumed>) = 0
[pid   989] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   990] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   989] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   988] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   986] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   990] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   989] <... futex resumed>)        = 0
[pid   988] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   986] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   990] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   989] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   988] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   986] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   990] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   989] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   988] <... futex resumed>)        = 0
[pid   986] <... futex resumed>)        = 0
[pid   990] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   989] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   990] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   988] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   986] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   990] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   989] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   990] <... futex resumed>)        = 0
[pid   986] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   989] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   990] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   986] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   989] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 991 attached
[pid   990] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   989] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   988] <... futex resumed>)        = 0
[pid   986] <... futex resumed>)        = 0
[pid   991] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   990] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   988] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   991] <... set_robust_list resumed>) = 0
[pid   990] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   986] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 991
[pid   989] <... futex resumed>)        = 0
[pid   988] <... futex resumed>)        = 1
[pid   991] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   990] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   989] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   988] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   991] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   990] <... futex resumed>)        = 1
[pid   989] <... openat resumed>)       = 3
[pid   986] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   989] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   986] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   991] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   990] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   989] <... futex resumed>)        = 1
[pid   988] <... futex resumed>)        = 0
[pid   986] <... futex resumed>)        = 0
[pid   991] <... prctl resumed>)        = 0
[pid   991] setpgid(0, 0 <unfinished ...>
[pid   990] <... openat resumed>)       = 3
[pid   989] write(3, "\x38\x00", 2 <unfinished ...>
[pid   988] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   986] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   991] <... setpgid resumed>)      = 0
[pid   990] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   989] <... write resumed>)        = 2
[pid   988] <... futex resumed>)        = 0
[pid   986] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   990] <... futex resumed>)        = 0
[pid   989] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   988] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   986] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   990] write(3, "\x38\x00", 2 <unfinished ...>
[pid   991] <... openat resumed>)       = 3
[pid   990] <... write resumed>)        = 2
[pid   989] <... futex resumed>)        = 0
[pid   988] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   986] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 992 attached
 <unfinished ...>
[pid   991] write(3, "1000", 4 <unfinished ...>
[pid   990] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   989] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   988] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   986] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   992] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   991] <... write resumed>)        = 4
[pid   990] <... futex resumed>)        = 0
[pid   989] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   988] <... futex resumed>)        = 0
[pid   986] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   992] <... set_robust_list resumed>) = 0
[pid   991] close(3 <unfinished ...>
[pid   990] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   989] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   988] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   986] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   992] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   991] <... close resumed>)        = 0
[pid   992] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   991] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   990] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   989] <... openat resumed>)       = 4
[pid   986] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 992
[pid   992] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   991] <... write resumed>)        = 18
[pid   990] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   989] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   986] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   992] <... prctl resumed>)        = 0
[pid   991] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   990] <... openat resumed>)       = 4
[pid   989] <... futex resumed>)        = 1
[pid   988] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   989] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   988] exit_group(0 <unfinished ...>
[pid   992] setpgid(0, 0)               = 0
[pid   991] <... futex resumed>)        = 0
[pid   990] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   989] <... futex resumed>)        = ?
[pid   988] <... exit_group resumed>)   = ?
[pid   991] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   986] <... futex resumed>)        = 0
[pid   991] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   986] exit_group(0 <unfinished ...>
[pid   992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   992] write(3, "1000", 4 <unfinished ...>
[pid   989] +++ exited with 0 +++
[pid   988] +++ exited with 0 +++
[pid   990] <... futex resumed>)        = 1
[pid   991] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   986] <... exit_group resumed>)   = ?
[pid   991] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   990] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=988, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   992] <... write resumed>)        = 4
[pid   991] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   992] close(3)                    = 0
[pid   992] write(1, "executing program\n", 18) = 18
[pid   992] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   986] +++ exited with 0 +++
[pid   991] <... mmap resumed>)         = 0x7fb4de009000
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=986, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   991] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
executing program
[pid   992] <... futex resumed>)        = 0
[pid   992] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   991] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   992] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   992] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   991] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   992] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   992] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   991] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   992] <... mmap resumed>)         = 0x7fb4de009000
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 993 attached
[pid   992] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   992] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 994 attached
 <unfinished ...>
[pid   993] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   991] <... clone3 resumed> => {parent_tid=[993]}, 88) = 993
[pid   993] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   991] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   994] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   993] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   991] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 994
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   994] <... set_robust_list resumed>) = 0
[pid   993] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   991] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   994] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   993] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   991] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   994] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   993] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   991] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   992] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   992] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 996 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 995 attached
 <unfinished ...>
[pid   994] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   996] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   995] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   994] <... prctl resumed>)        = 0
[pid   993] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   992] <... clone3 resumed> => {parent_tid=[996]}, 88) = 996
[pid   996] <... set_robust_list resumed>) = 0
[pid   995] <... set_robust_list resumed>) = 0
[pid   994] setpgid(0, 0 <unfinished ...>
[pid   993] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   992] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 995
[pid   996] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   995] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   994] <... setpgid resumed>)      = 0
[pid   993] <... futex resumed>)        = 1
[pid   992] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   991] <... futex resumed>)        = 0
[pid   996] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   995] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   993] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   992] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   993] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   991] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   993] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   991] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   996] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   995] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   994] <... openat resumed>)       = 3
[pid   993] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   992] <... futex resumed>)        = 0
[pid   991] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   996] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   995] <... prctl resumed>)        = 0
[pid   994] write(3, "1000", 4 <unfinished ...>
[pid   993] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   992] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   996] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   995] setpgid(0, 0 <unfinished ...>
[pid   994] <... write resumed>)        = 4
[pid   993] <... futex resumed>)        = 0
[pid   992] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   991] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   996] <... futex resumed>)        = 0
[pid   995] <... setpgid resumed>)      = 0
[pid   994] close(3 <unfinished ...>
[pid   993] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   992] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   996] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   994] <... close resumed>)        = 0
[pid   993] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   992] <... futex resumed>)        = 0
[pid   991] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   996] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   995] <... openat resumed>)       = 3
[pid   994] write(1, "executing program\n", 18 <unfinished ...>
[pid   993] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   992] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   995] write(3, "1000", 4 <unfinished ...>
[pid   994] <... write resumed>)        = 18
[pid   991] <... futex resumed>)        = 0
[pid   995] <... write resumed>)        = 4
[pid   993] <... openat resumed>)       = 3
[pid   995] close(3 <unfinished ...>
[pid   994] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   991] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   993] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   995] <... close resumed>)        = 0
[pid   994] <... futex resumed>)        = 0
[pid   993] <... futex resumed>)        = 0
[pid   991] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   995] write(1, "executing program\n", 18 <unfinished ...>
[pid   994] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   993] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   991] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   995] <... write resumed>)        = 18
[pid   994] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   993] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   991] <... futex resumed>)        = 0
[pid   995] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   994] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   993] write(3, "\x38\x00", 2 <unfinished ...>
[pid   991] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   995] <... futex resumed>)        = 0
[pid   994] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   993] <... write resumed>)        = 2
[pid   995] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   994] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   993] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   995] <... rt_sigaction resumed>, NULL, 8) = 0
executing program
executing program
[pid   996] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   995] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   994] <... mmap resumed>)         = 0x7fb4de009000
[pid   993] <... futex resumed>)        = 1
[pid   991] <... futex resumed>)        = 0
[pid   996] <... futex resumed>)        = 1
[pid   995] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   994] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   993] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   992] <... futex resumed>)        = 0
[pid   991] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   996] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   995] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   992] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   996] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   995] <... mmap resumed>)         = 0x7fb4de009000
[pid   994] <... mprotect resumed>)     = 0
[pid   993] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   992] <... futex resumed>)        = 0
[pid   991] <... futex resumed>)        = 0
[pid   996] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   995] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   994] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   993] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   992] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   991] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   996] <... openat resumed>)       = 3
[pid   995] <... mprotect resumed>)     = 0
[pid   994] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   993] <... openat resumed>)       = 4
[pid   996] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   994] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   996] <... futex resumed>)        = 1
[pid   995] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   993] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   992] <... futex resumed>)        = 0
[pid   996] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   995] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   993] <... futex resumed>)        = 1
[pid   992] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   991] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 997 attached
[pid   996] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   995] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   993] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   992] <... futex resumed>)        = 0
[pid   997] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   996] write(3, "\x38\x00", 2 <unfinished ...>
[pid   992] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   991] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 998 attached
 <unfinished ...>
[pid   997] <... set_robust_list resumed>) = 0
[pid   996] <... write resumed>)        = 2
[pid   994] <... clone3 resumed> => {parent_tid=[997]}, 88) = 997
[pid   998] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   997] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   996] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   995] <... clone3 resumed> => {parent_tid=[998]}, 88) = 998
[pid   994] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   993] <... futex resumed>)        = ?
[pid   991] <... exit_group resumed>)   = ?
[pid   998] <... set_robust_list resumed>) = 0
[pid   997] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   996] <... futex resumed>)        = 1
[pid   995] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   994] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   992] <... futex resumed>)        = 0
[pid   998] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   996] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   992] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   998] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   997] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   996] <... openat resumed>)       = 4
[pid   995] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   994] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   993] +++ exited with 0 +++
[pid   992] <... futex resumed>)        = 0
[pid   991] +++ exited with 0 +++
[pid   998] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   997] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   996] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   995] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   994] <... futex resumed>)        = 0
[pid   992] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   998] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   997] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   996] <... futex resumed>)        = 0
[pid   995] <... futex resumed>)        = 0
[pid   994] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   992] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   998] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   997] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   996] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   995] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   992] exit_group(0 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=991, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   998] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   997] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   996] <... futex resumed>)        = ?
[pid   992] <... exit_group resumed>)   = ?
[pid   998] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   997] <... futex resumed>)        = 1
[pid   996] +++ exited with 0 +++
[pid   994] <... futex resumed>)        = 0
[pid   992] +++ exited with 0 +++
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   998] <... futex resumed>)        = 1
[pid   997] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   995] <... futex resumed>)        = 0
[pid   994] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=992, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... restart_syscall resumed>) = 0
[pid   998] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   997] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   995] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   994] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   998] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   997] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   995] <... futex resumed>)        = 0
[pid   994] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   998] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   997] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   995] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   998] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   997] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   995] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   997] <... futex resumed>)        = 1
[pid   994] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   995] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   997] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   994] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   995] <... futex resumed>)        = 0
[pid   997] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   994] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   995] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   997] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   994] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   998] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... restart_syscall resumed>) = 0
[pid   998] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLYci2-android-6-12-rust/strace-static-x86_64: Process 999 attached
) = 3
[pid   997] <... openat resumed>)       = 3
[pid   999] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   998] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   997] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   999] <... set_robust_list resumed>) = 0
[pid   998] <... futex resumed>)        = 1
[pid   997] <... futex resumed>)        = 1
[pid   995] <... futex resumed>)        = 0
[pid   994] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 999
[pid   999] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   998] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   997] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   995] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   994] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1000 attached
 <unfinished ...>
[pid   999] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   998] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   997] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   995] <... futex resumed>)        = 0
[pid   994] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1000] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   999] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   998] write(3, "\x38\x00", 2 <unfinished ...>
[pid   997] write(3, "\x38\x00", 2 <unfinished ...>
[pid   995] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   994] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1000] <... set_robust_list resumed>) = 0
[pid   999] <... prctl resumed>)        = 0
[pid   997] <... write resumed>)        = 2
[pid  1000] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   999] setpgid(0, 0 <unfinished ...>
[pid   998] <... write resumed>)        = 2
[pid   997] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1000
[pid  1000] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   999] <... setpgid resumed>)      = 0
[pid   998] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   997] <... futex resumed>)        = 1
[pid   994] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1000] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   998] <... futex resumed>)        = 1
[pid   997] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   995] <... futex resumed>)        = 0
[pid   994] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1000] <... prctl resumed>)        = 0
[pid   999] <... openat resumed>)       = 3
[pid   998] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   997] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   995] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   994] <... futex resumed>)        = 0
[pid  1000] setpgid(0, 0 <unfinished ...>
[pid   999] write(3, "1000", 4 <unfinished ...>
[pid   998] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   997] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   995] <... futex resumed>)        = 0
[pid   994] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1000] <... setpgid resumed>)      = 0
[pid   999] <... write resumed>)        = 4
[pid   998] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   999] close(3 <unfinished ...>
[pid   998] <... openat resumed>)       = 4
[pid   997] <... openat resumed>)       = 4
[pid   995] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1000] <... openat resumed>)       = 3
[pid   998] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1000] write(3, "1000", 4 <unfinished ...>
[pid   999] <... close resumed>)        = 0
[pid   998] <... futex resumed>)        = 0
[pid   997] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   995] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1000] <... write resumed>)        = 4
[pid   999] write(1, "executing program\n", 18 <unfinished ...>
[pid   998] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1000] close(3 <unfinished ...>
[pid   999] <... write resumed>)        = 18
[pid   997] <... futex resumed>)        = 1
[pid   995] exit_group(0 <unfinished ...>
[pid   994] <... futex resumed>)        = 0
executing program
[pid  1000] <... close resumed>)        = 0
[pid   999] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   998] <... futex resumed>)        = ?
[pid   997] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   995] <... exit_group resumed>)   = ?
[pid  1000] write(1, "executing program\n", 18 <unfinished ...>
[pid   999] <... futex resumed>)        = 0
[pid   998] +++ exited with 0 +++
[pid   994] exit_group(0 <unfinished ...>
[pid  1000] <... write resumed>)        = 18
executing program
[pid   999] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1000] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   999] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   997] <... futex resumed>)        = ?
[pid   994] <... exit_group resumed>)   = ?
[pid   999] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   995] +++ exited with 0 +++
[pid   997] +++ exited with 0 +++
[pid   994] +++ exited with 0 +++
[pid  1000] <... futex resumed>)        = 0
[pid   999] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=994, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1000] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=995, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   999] <... mmap resumed>)         = 0x7fb4de009000
[pid  1000] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1000] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1000] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1000] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1000] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1000] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1001 attached
 <unfinished ...>
[pid   999] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   999] <... mprotect resumed>)     = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1001] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1000] <... clone3 resumed> => {parent_tid=[1001]}, 88) = 1001
[pid  1001] <... set_robust_list resumed>) = 0
[pid  1000] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1001] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1000] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1001] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1000] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1002 attached
 <unfinished ...>
[pid  1001] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1000] <... futex resumed>)        = 0
[pid  1001] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1000] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1001] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1000] <... futex resumed>)        = 0
[pid  1001] <... futex resumed>)        = 1
[pid  1000] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1001] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1000] <... futex resumed>)        = 0
[pid  1001] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1000] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   999] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1001] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1000] <... futex resumed>)        = 0
[pid  1001] <... futex resumed>)        = 1
[pid  1000] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1001] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1000] <... futex resumed>)        = 0
[pid  1001] <... openat resumed>)       = 3
[pid  1000] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1001] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   999] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1002] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   999] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1003
[pid  1002] <... set_robust_list resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1003 attached
[pid  1001] <... futex resumed>)        = 1
[pid  1000] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1004 attached
[pid  1003] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1002] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1001] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1000] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1002
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1004] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1003] <... set_robust_list resumed>) = 0
[pid  1002] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1001] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1000] <... futex resumed>)        = 0
[pid   999] <... clone3 resumed> => {parent_tid=[1004]}, 88) = 1004
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1004] <... set_robust_list resumed>) = 0
[pid  1003] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1002] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1001] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1000] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   999] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1004] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1003] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1002] <... prctl resumed>)        = 0
[pid  1001] <... write resumed>)        = 2
[pid   999] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1004] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1003] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1002] setpgid(0, 0 <unfinished ...>
[pid  1001] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1004] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1002] <... setpgid resumed>)      = 0
[pid  1001] <... futex resumed>)        = 1
[pid  1000] <... futex resumed>)        = 0
[pid   999] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1004] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1003] <... prctl resumed>)        = 0
[pid  1002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1001] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1000] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   999] <... futex resumed>)        = 0
[pid  1004] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1003] setpgid(0, 0 <unfinished ...>
[pid  1002] <... openat resumed>)       = 3
[pid  1001] <... openat resumed>)       = 4
[pid  1000] <... futex resumed>)        = 0
[pid  1003] <... setpgid resumed>)      = 0
[pid  1004] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1001] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1000] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   999] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1002] write(3, "1000", 4 <unfinished ...>
[pid  1004] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1003] <... openat resumed>)       = 3
[pid  1001] <... futex resumed>)        = 0
[pid  1000] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   999] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1004] <... futex resumed>)        = 0
[pid  1004] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1003] write(3, "1000", 4 <unfinished ...>
[pid  1001] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1000] exit_group(0 <unfinished ...>
[pid   999] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1004] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1003] <... write resumed>)        = 4
[pid  1002] <... write resumed>)        = 4
[pid   999] <... futex resumed>)        = 0
[pid  1003] close(3 <unfinished ...>
[pid  1001] <... futex resumed>)        = ?
[pid  1000] <... exit_group resumed>)   = ?
[pid   999] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1004] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1003] <... close resumed>)        = 0
[pid  1002] close(3 <unfinished ...>
[pid  1001] +++ exited with 0 +++
[pid  1000] +++ exited with 0 +++
[pid   999] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1004] <... futex resumed>)        = 0
[pid  1003] write(1, "executing program\n", 18 <unfinished ...>
[pid   999] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1004] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1003] <... write resumed>)        = 18
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1000, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1004] <... openat resumed>)       = 3
[pid  1003] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1004] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1003] <... futex resumed>)        = 0
[pid  1004] <... futex resumed>)        = 0
[pid  1003] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1004] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1003] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1003] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1003] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1002] <... close resumed>)        = 0
[pid  1004] <... futex resumed>)        = 0
[pid   999] <... futex resumed>)        = 1
[pid  1002] write(1, "executing program\n", 18 <unfinished ...>
[pid   999] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1002] <... write resumed>)        = 18
[pid   999] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
executing program
[pid  1004] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1003] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1002] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   999] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1004] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1003] <... mprotect resumed>)     = 0
[pid  1004] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1003] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1002] <... futex resumed>)        = 0
[pid   999] <... futex resumed>)        = 0
[pid  1004] <... write resumed>)        = 2
[pid  1003] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1004] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1003] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1002] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   999] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1004] <... futex resumed>)        = 0
[pid  1002] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   999] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1002] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   999] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1002] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   999] <... futex resumed>)        = 0
[pid  1002] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   999] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1005 attached
 <unfinished ...>
[pid  1004] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1002] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] <... restart_syscall resumed>) = 0
[pid  1005] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1004] <... openat resumed>)       = 4
[pid  1003] <... clone3 resumed> => {parent_tid=[1005]}, 88) = 1005
[pid  1002] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1005] <... set_robust_list resumed>) = 0
[pid  1004] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1003] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1002] <... mprotect resumed>)     = 0
[pid  1005] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1004] <... futex resumed>)        = 1
[pid  1003] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   999] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1005] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1004] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1003] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1002] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1005] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1003] <... futex resumed>)        = 0
[pid   999] exit_group(0 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1006 attached
 <unfinished ...>
[pid  1005] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1004] <... futex resumed>)        = ?
[pid  1003] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1002] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   999] <... exit_group resumed>)   = ?
[pid  1004] +++ exited with 0 +++
[pid  1002] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1005] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1003] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1005] <... futex resumed>)        = 0
[pid  1003] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1005] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1003] <... futex resumed>)        = 0
[pid  1005] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1003] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1006
[pid  1005] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1003] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   999] +++ exited with 0 +++
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1006] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1005] <... futex resumed>)        = 0
[pid  1003] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=999, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 1007 attached
[pid  1006] <... set_robust_list resumed>) = 0
[pid  1005] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1003] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1007] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1006] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1005] <... openat resumed>)       = 3
[pid  1003] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1002] <... clone3 resumed> => {parent_tid=[1007]}, 88) = 1007
[pid  1007] <... set_robust_list resumed>) = 0
[pid  1006] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1005] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1003] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1002] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1007] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1005] <... futex resumed>)        = 0
[pid  1003] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1007] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1005] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1003] <... futex resumed>)        = 0
[pid  1007] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1006] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1005] <... write resumed>)        = 2
[pid  1003] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1002] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1005] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1003] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1002] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1006] <... prctl resumed>)        = 0
[pid  1005] <... futex resumed>)        = 0
[pid  1003] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1007] <... futex resumed>)        = 0
[pid  1006] setpgid(0, 0 <unfinished ...>
[pid  1005] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1003] <... futex resumed>)        = 0
[pid  1002] <... futex resumed>)        = 1
[pid  1007] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1006] <... setpgid resumed>)      = 0
[pid  1005] <... openat resumed>)       = 4
[pid  1003] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1007] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1002] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1007] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1005] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1007] <... futex resumed>)        = 0
[pid  1006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1005] <... futex resumed>)        = 1
[pid  1003] <... futex resumed>)        = 0
[pid  1002] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1007] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1005] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1003] exit_group(0 <unfinished ...>
[pid  1005] <... futex resumed>)        = ?
[pid  1003] <... exit_group resumed>)   = ?
[pid  1006] <... openat resumed>)       = 3
[pid  1005] +++ exited with 0 +++
[pid  1003] +++ exited with 0 +++
[pid  1002] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1007] <... futex resumed>)        = 0
[pid  1002] <... futex resumed>)        = 1
[pid  1006] write(3, "1000", 4 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1003, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1006] <... write resumed>)        = 4
[pid  1002] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1006] close(3 <unfinished ...>
[pid  1007] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1006] <... close resumed>)        = 0
[pid  1007] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1007] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1007] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1002] <... futex resumed>)        = 0
[pid  1006] write(1, "executing program\n", 18) = 18
executing program
[pid  1006] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1002] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1007] <... futex resumed>)        = 0
[pid  1006] <... futex resumed>)        = 0
[pid  1002] <... futex resumed>)        = 1
[pid  1007] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1006] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1002] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1007] <... openat resumed>)       = 3
[pid  1007] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1006] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1007] <... futex resumed>)        = 1
[pid  1006] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1002] <... futex resumed>)        = 0
[pid  1007] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1006] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1007] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1006] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1002] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1007] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1006] <... mmap resumed>)         = 0x7fb4de009000
[pid  1007] <... write resumed>)        = 2
[pid  1007] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1002] <... futex resumed>)        = 0
[pid  1007] <... futex resumed>)        = 0
[pid  1006] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1002] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1007] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1006] <... mprotect resumed>)     = 0
[pid  1002] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1007] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1002] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1007] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1006] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1007] <... openat resumed>)       = 4
[pid  1002] <... futex resumed>)        = 0
[pid  1006] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1006] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1002] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1007] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1002] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1007] <... futex resumed>)        = 0
[pid  1007] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1006] <... clone3 resumed> => {parent_tid=[1008]}, 88) = 1008
ci2-android-6-12-rust/strace-static-x86_64: Process 1008 attached
[pid  1006] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1002] exit_group(0 <unfinished ...>
[pid  1006] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1008] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1006] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1006] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1008] <... set_robust_list resumed>) = 0
[pid  1007] <... futex resumed>)        = ?
[pid  1002] <... exit_group resumed>)   = ?
[pid  1008] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1007] +++ exited with 0 +++
[pid  1002] +++ exited with 0 +++
[pid  1008] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1002, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1008] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1008] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1006] <... futex resumed>)        = 0
[pid  1008] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1006] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1006] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1008] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1008] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1006] <... futex resumed>)        = 0
[pid  1008] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1006] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1008] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1006] <... futex resumed>)        = 0
[pid  1008] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1006] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1008] <... openat resumed>)       = 3
[pid  1008] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1006] <... futex resumed>)        = 0
[pid  1008] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1006] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1008] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1006] <... futex resumed>)        = 0
[pid  1008] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1006] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1008] <... write resumed>)        = 2
[pid  1008] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1006] <... futex resumed>)        = 0
[pid  1008] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1006] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1008] <... futex resumed>)        = 0
[pid  1006] <... futex resumed>)        = 1
[pid  1008] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1006] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1008] <... openat resumed>)       = 4
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1008] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1006] <... futex resumed>)        = 0
[pid  1008] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1006] exit_group(0 <unfinished ...>
[pid  1008] <... futex resumed>)        = ?
[pid  1006] <... exit_group resumed>)   = ?
[pid  1008] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 1009 attached
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1009
[pid  1009] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1009] <... set_robust_list resumed>) = 0
[pid  1009] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1009] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1009] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1006] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1006, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1009] <... prctl resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1009] setpgid(0, 0)               = 0
[pid  1009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1009] write(3, "1000", 4 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1009] <... write resumed>)        = 4
[pid  1009] close(3)                    = 0
[pid  1009] write(1, "executing program\n", 18) = 18
executing program
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1009] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1009] <... futex resumed>)        = 0
[pid  1009] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1009] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1009] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1010 attached
[pid  1009] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1010] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1009] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1010
[pid  1010] <... set_robust_list resumed>) = 0
[pid  1009] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1010] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1009] <... clone3 resumed> => {parent_tid=[1011]}, 88) = 1011
ci2-android-6-12-rust/strace-static-x86_64: Process 1011 attached
[pid   313] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1012 attached
, NULL, 8) = 0
[pid  1010] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1011] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1009] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1012] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1011] <... set_robust_list resumed>) = 0
[pid  1010] <... prctl resumed>)        = 0
[pid  1009] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1012
[pid  1012] <... set_robust_list resumed>) = 0
[pid  1011] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1010] setpgid(0, 0 <unfinished ...>
[pid  1009] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1010] <... setpgid resumed>)      = 0
[pid  1009] <... futex resumed>)        = 0
[pid  1012] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1011] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1009] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1012] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1011] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1012] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1011] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1010] <... openat resumed>)       = 3
[pid  1010] write(3, "1000", 4 <unfinished ...>
[pid  1011] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1012] <... prctl resumed>)        = 0
[pid  1011] <... futex resumed>)        = 1
[pid  1012] setpgid(0, 0 <unfinished ...>
[pid  1010] <... write resumed>)        = 4
[pid  1009] <... futex resumed>)        = 0
[pid  1012] <... setpgid resumed>)      = 0
[pid  1011] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1010] close(3 <unfinished ...>
[pid  1009] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1010] <... close resumed>)        = 0
[pid  1009] <... futex resumed>)        = 0
[pid  1010] write(1, "executing program\n", 18 <unfinished ...>
[pid  1009] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1011] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1010] <... write resumed>)        = 18
[pid  1010] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1011] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1010] <... futex resumed>)        = 0
[pid  1010] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1011] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1010] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1011] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1010] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1009] <... futex resumed>)        = 0
[pid  1010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1009] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1012] <... openat resumed>)       = 3
[pid  1011] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1010] <... mmap resumed>)         = 0x7fb4de009000
[pid  1009] <... futex resumed>)        = 0
[pid  1009] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1010] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1010] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1012] write(3, "1000", 4 <unfinished ...>
[pid  1011] <... openat resumed>)       = 3
[pid  1012] <... write resumed>)        = 4
[pid  1011] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1012] close(3 <unfinished ...>
[pid  1011] <... futex resumed>)        = 1
[pid  1012] <... close resumed>)        = 0
[pid  1011] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1012] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  1010] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1009] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1013 attached
[pid  1012] <... write resumed>)        = 18
[pid  1009] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1012] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1009] <... futex resumed>)        = 1
[pid  1010] <... clone3 resumed> => {parent_tid=[1013]}, 88) = 1013
[pid  1009] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1010] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1012] <... futex resumed>)        = 0
[pid  1011] <... futex resumed>)        = 0
[pid  1010] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1013] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1012] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1011] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1010] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1013] <... set_robust_list resumed>) = 0
[pid  1012] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1011] <... write resumed>)        = 2
[pid  1010] <... futex resumed>)        = 0
[pid  1013] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1012] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1010] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1013] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1012] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1011] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1013] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1012] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1011] <... futex resumed>)        = 1
[pid  1009] <... futex resumed>)        = 0
[pid  1013] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1012] <... mmap resumed>)         = 0x7fb4de009000
[pid  1011] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1009] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1013] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1012] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1011] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1009] <... futex resumed>)        = 0
[pid  1013] <... futex resumed>)        = 1
[pid  1011] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1013] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1012] <... mprotect resumed>)     = 0
[pid  1012] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1011] <... openat resumed>)       = 4
[pid  1010] <... futex resumed>)        = 0
[pid  1009] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1010] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1010] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1012] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1012] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1013] <... futex resumed>)        = 0
[pid  1011] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1014 attached
[pid  1013] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1011] <... futex resumed>)        = 1
[pid  1009] <... futex resumed>)        = 0
[pid  1013] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1009] exit_group(0 <unfinished ...>
[pid  1014] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1009] <... exit_group resumed>)   = ?
[pid  1014] <... set_robust_list resumed>) = 0
[pid  1013] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1012] <... clone3 resumed> => {parent_tid=[1014]}, 88) = 1014
[pid  1014] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1013] <... futex resumed>)        = 1
[pid  1012] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1010] <... futex resumed>)        = 0
[pid  1014] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1013] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1012] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1010] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1014] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1013] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1012] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1010] <... futex resumed>)        = 0
[pid  1012] <... futex resumed>)        = 0
[pid  1010] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1012] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1015 attached
 <unfinished ...>
[pid  1011] +++ exited with 0 +++
[pid  1014] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1009] +++ exited with 0 +++
[pid  1013] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1014] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1013] <... openat resumed>)       = 3
[pid  1015] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1014] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1013] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1009, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1015] <... set_robust_list resumed>) = 0
[pid  1014] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1013] <... futex resumed>)        = 1
[pid  1010] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1015
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1015] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1014] <... futex resumed>)        = 1
[pid  1013] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1012] <... futex resumed>)        = 0
[pid  1010] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1015] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1014] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1013] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1012] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1010] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1015] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1012] <... futex resumed>)        = 0
[pid  1010] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1015] <... prctl resumed>)        = 0
[pid  1013] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1012] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1015] setpgid(0, 0 <unfinished ...>
[pid  1014] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1013] <... write resumed>)        = 2
[pid  1015] <... setpgid resumed>)      = 0
[pid  1015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1014] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1013] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1015] <... openat resumed>)       = 3
[pid  1014] <... futex resumed>)        = 1
[pid  1013] <... futex resumed>)        = 1
[pid  1012] <... futex resumed>)        = 0
[pid  1010] <... futex resumed>)        = 0
[pid  1014] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1013] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1015] write(3, "1000", 4 <unfinished ...>
[pid  1014] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1013] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1012] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1010] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1015] <... write resumed>)        = 4
[pid  1014] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1013] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1012] <... futex resumed>)        = 0
[pid  1010] <... futex resumed>)        = 0
[pid  1015] close(3 <unfinished ...>
[pid  1014] <... openat resumed>)       = 3
[pid  1012] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1010] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1015] <... close resumed>)        = 0
[pid  1014] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1013] <... openat resumed>)       = 4
[pid  1012] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1015] write(1, "executing program\n", 18 <unfinished ...>
[pid  1014] <... futex resumed>)        = 0
[pid  1013] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1014] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1013] <... futex resumed>)        = 1
[pid  1015] <... write resumed>)        = 18
[pid  1012] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1010] <... futex resumed>)        = 0
executing program
[pid  1015] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1014] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1013] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1012] <... futex resumed>)        = 0
[pid  1010] exit_group(0 <unfinished ...>
[pid  1015] <... futex resumed>)        = 0
[pid  1012] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1010] <... exit_group resumed>)   = ?
[pid  1015] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1014] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1013] <... futex resumed>)        = ?
[pid  1015] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1014] <... write resumed>)        = 2
[pid  1015] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1015] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1015] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1015] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1015] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1016 attached
 <unfinished ...>
[pid  1016] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1013] +++ exited with 0 +++
[pid  1014] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1010] +++ exited with 0 +++
[pid  1016] <... set_robust_list resumed>) = 0
[pid  1015] <... clone3 resumed> => {parent_tid=[1016]}, 88) = 1016
[pid  1016] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1015] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1014] <... futex resumed>)        = 1
[pid  1012] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1010, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1016] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1015] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1014] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1012] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1016] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1015] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1012] <... futex resumed>)        = 0
[pid  1016] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1015] <... futex resumed>)        = 0
[pid  1014] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1012] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1016] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1015] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1016] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1016] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1015] <... futex resumed>)        = 0
[pid  1016] <... futex resumed>)        = 1
[pid  1015] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1016] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1015] <... futex resumed>)        = 0
[pid  1016] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1015] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1014] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1016] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1015] <... futex resumed>)        = 0
[pid  1016] <... futex resumed>)        = 1
[pid  1015] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1014] <... openat resumed>)       = 4
[pid  1016] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1015] <... futex resumed>)        = 0
[pid  1014] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1016] <... openat resumed>)       = 3
[pid  1015] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1016] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1014] <... futex resumed>)        = 1
[pid  1012] <... futex resumed>)        = 0
[pid  1014] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1016] <... futex resumed>)        = 1
[pid  1015] <... futex resumed>)        = 0
[pid  1012] exit_group(0 <unfinished ...>
[pid  1016] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1015] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1016] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1015] <... futex resumed>)        = 0
[pid  1014] <... futex resumed>)        = ?
[pid  1012] <... exit_group resumed>)   = ?
[pid  1016] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1015] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1016] <... write resumed>)        = 2
[pid  1014] +++ exited with 0 +++
[pid  1012] +++ exited with 0 +++
[pid  1016] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1015] <... futex resumed>)        = 0
[pid  1016] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1015] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1016] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1015] <... futex resumed>)        = 0
[pid  1016] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1015] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1016] <... openat resumed>)       = 4
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1012, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1016] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1015] <... futex resumed>)        = 0
[pid  1015] exit_group(0 <unfinished ...>
[pid  1016] <... futex resumed>)        = ?
[pid  1015] <... exit_group resumed>)   = ?
[pid  1016] +++ exited with 0 +++
[pid  1015] +++ exited with 0 +++
[pid   312] <... restart_syscall resumed>) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1015, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557716c690) = 1017
ci2-android-6-12-rust/strace-static-x86_64: Process 1017 attached
[pid   312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1017] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1017] <... set_robust_list resumed>) = 0
[pid  1017] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1017] setpgid(0, 0)               = 0
[pid  1017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1017] <... openat resumed>)       = 3
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1017] write(3, "1000", 4 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1017] <... write resumed>)        = 4
[pid  1017] close(3)                    = 0
[pid  1017] write(1, "executing program\n", 18) = 18
[pid  1017] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1017] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1017] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
executing program
ci2-android-6-12-rust/strace-static-x86_64: Process 1018 attached
[pid  1017] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1018] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1017] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1018
[pid  1018] <... set_robust_list resumed>) = 0
[pid  1018] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1017] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1018] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1017] <... mprotect resumed>)     = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1018] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1017] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1018] <... prctl resumed>)        = 0
[pid  1018] setpgid(0, 0 <unfinished ...>
[pid  1017] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1018] <... setpgid resumed>)      = 0
[pid  1017] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1019 attached
 <unfinished ...>
[pid  1018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1019] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1019] <... set_robust_list resumed>) = 0
[pid  1018] <... openat resumed>)       = 3
[pid  1017] <... clone3 resumed> => {parent_tid=[1019]}, 88) = 1019
[pid  1019] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1017] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1019] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1018] write(3, "1000", 4ci2-android-6-12-rust/strace-static-x86_64: Process 1020 attached
 <unfinished ...>
[pid  1019] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1018] <... write resumed>)        = 4
[pid  1017] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1020] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1018] close(3 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1020] <... set_robust_list resumed>) = 0
[pid  1017] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1020
[pid  1020] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1021 attached
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1019] <... futex resumed>)        = 0
[pid  1018] <... close resumed>)        = 0
[pid  1017] <... futex resumed>)        = 1
[pid  1021] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1018] write(1, "executing program\n", 18 <unfinished ...>
[pid  1017] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1021] <... set_robust_list resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1019] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1018] <... write resumed>)        = 18
[pid  1021] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1021
[pid  1021] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1018] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1021] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1020] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1019] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1018] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1020] <... prctl resumed>)        = 0
[pid  1020] setpgid(0, 0)               = 0
[pid  1020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1018] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1021] <... prctl resumed>)        = 0
[pid  1020] <... openat resumed>)       = 3
[pid  1019] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1018] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1021] setpgid(0, 0 <unfinished ...>
[pid  1020] write(3, "1000", 4 <unfinished ...>
[pid  1019] <... futex resumed>)        = 1
[pid  1018] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1017] <... futex resumed>)        = 0
[pid  1021] <... setpgid resumed>)      = 0
[pid  1020] <... write resumed>)        = 4
[pid  1019] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1020] close(3 <unfinished ...>
[pid  1021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1020] <... close resumed>)        = 0
[pid  1018] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1017] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1020] write(1, "executing program\n", 18 <unfinished ...>
[pid  1019] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1020] <... write resumed>)        = 18
executing program
[pid  1020] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1019] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1018] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1017] <... futex resumed>)        = 0
[pid  1020] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1019] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1020] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1018] <... mmap resumed>)         = 0x7fb4de009000
[pid  1017] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1020] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1020] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1021] <... openat resumed>)       = 3
[pid  1020] <... mmap resumed>)         = 0x7fb4de009000
[pid  1020] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1018] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1021] write(3, "1000", 4 <unfinished ...>
[pid  1019] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1018] <... mprotect resumed>)     = 0
[pid  1021] <... write resumed>)        = 4
[pid  1019] <... futex resumed>)        = 1
[pid  1017] <... futex resumed>)        = 0
[pid  1020] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1019] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1018] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1021] close(3 <unfinished ...>
[pid  1017] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1020] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1019] <... openat resumed>)       = 3
[pid  1017] <... futex resumed>)        = 0
[pid  1021] <... close resumed>)        = 0
[pid  1020] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1022 attached
 <unfinished ...>
[pid  1021] write(1, "executing program\n", 18 <unfinished ...>
[pid  1019] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1018] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1017] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1021] <... write resumed>)        = 18
[pid  1019] <... futex resumed>)        = 0
[pid  1018] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1017] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1022] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1019] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1017] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1020] <... clone3 resumed> => {parent_tid=[1022]}, 88) = 1022
ci2-android-6-12-rust/strace-static-x86_64: Process 1023 attached
[pid  1020] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
executing program
[pid  1023] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1022] <... set_robust_list resumed>) = 0
[pid  1020] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1019] <... write resumed>)        = 2
[pid  1021] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1017] <... futex resumed>)        = 0
[pid  1023] <... set_robust_list resumed>) = 0
[pid  1022] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1020] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1023] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1020] <... futex resumed>)        = 0
[pid  1023] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1020] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1023] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1019] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1022] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1017] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1021] <... futex resumed>)        = 0
[pid  1018] <... clone3 resumed> => {parent_tid=[1023]}, 88) = 1023
[pid  1022] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1021] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1018] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1017] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1022] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1021] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1018] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1017] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1022] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1021] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1018] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1017] <... futex resumed>)        = 0
[pid  1022] <... futex resumed>)        = 1
[pid  1021] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1022] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1021] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1018] <... futex resumed>)        = 1
[pid  1017] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1023] <... futex resumed>)        = 0
[pid  1021] <... mmap resumed>)         = 0x7fb4de009000
[pid  1020] <... futex resumed>)        = 0
[pid  1019] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1018] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1023] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1021] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1020] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1019] <... openat resumed>)       = 4
[pid  1023] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1022] <... futex resumed>)        = 0
[pid  1021] <... mprotect resumed>)     = 0
[pid  1020] <... futex resumed>)        = 1
[pid  1019] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1023] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1022] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1021] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1020] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1019] <... futex resumed>)        = 1
[pid  1017] <... futex resumed>)        = 0
[pid  1023] <... futex resumed>)        = 1
[pid  1022] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1021] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1019] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1018] <... futex resumed>)        = 0
[pid  1023] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1022] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1021] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1018] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1017] exit_group(0 <unfinished ...>
[pid  1023] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1022] <... futex resumed>)        = 1
[pid  1020] <... futex resumed>)        = 0
[pid  1018] <... futex resumed>)        = 0
[pid  1023] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1022] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1020] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1019] <... futex resumed>)        = ?
[pid  1018] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1017] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 1024 attached
[pid  1023] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1022] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1020] <... futex resumed>)        = 0
[pid  1019] +++ exited with 0 +++
[pid  1023] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1022] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1021] <... clone3 resumed> => {parent_tid=[1024]}, 88) = 1024
[pid  1020] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1023] <... futex resumed>)        = 1
[pid  1022] <... openat resumed>)       = 3
[pid  1021] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1018] <... futex resumed>)        = 0
[pid  1024] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1023] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1022] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1021] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1018] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1024] <... set_robust_list resumed>) = 0
[pid  1023] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1022] <... futex resumed>)        = 1
[pid  1021] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1020] <... futex resumed>)        = 0
[pid  1018] <... futex resumed>)        = 0
[pid  1024] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1023] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1022] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1021] <... futex resumed>)        = 0
[pid  1020] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1018] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1023] <... openat resumed>)       = 3
[pid  1022] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1020] <... futex resumed>)        = 0
[pid  1023] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1022] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1020] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1024] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1023] <... futex resumed>)        = 1
[pid  1022] <... write resumed>)        = 2
[pid  1018] <... futex resumed>)        = 0
[pid  1017] +++ exited with 0 +++
[pid  1023] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1022] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1018] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1017, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1023] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1022] <... futex resumed>)        = 1
[pid  1020] <... futex resumed>)        = 0
[pid  1018] <... futex resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1023] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1022] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1020] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1018] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1024] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1023] <... write resumed>)        = 2
[pid  1022] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1021] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1020] <... futex resumed>)        = 0
[pid  1024] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1023] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1022] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1020] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1024] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1023] <... futex resumed>)        = 1
[pid  1022] <... openat resumed>)       = 4
[pid  1018] <... futex resumed>)        = 0
[pid  1023] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1018] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1023] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1022] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1018] <... futex resumed>)        = 0
[pid  1024] <... futex resumed>)        = 1
[pid  1023] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1022] <... futex resumed>)        = 1
[pid  1021] <... futex resumed>)        = 0
[pid  1020] <... futex resumed>)        = 0
[pid  1018] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1024] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1023] <... openat resumed>)       = 4
[pid  1022] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1021] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1020] exit_group(0 <unfinished ...>
[pid  1024] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1021] <... futex resumed>)        = 0
[pid  1024] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1023] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1022] <... futex resumed>)        = ?
[pid  1021] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1020] <... exit_group resumed>)   = ?
[pid  1024] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1023] <... futex resumed>)        = 1
[pid  1022] +++ exited with 0 +++
[pid  1020] +++ exited with 0 +++
[pid  1018] <... futex resumed>)        = 0
[pid  1024] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1023] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1018] exit_group(0 <unfinished ...>
[pid  1023] <... futex resumed>)        = ?
[pid  1023] +++ exited with 0 +++
[pid  1018] <... exit_group resumed>)   = ?
[pid  1024] <... futex resumed>)        = 1
[pid  1021] <... futex resumed>)        = 0
[pid  1018] +++ exited with 0 +++
[pid  1024] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1021] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1020, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1024] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1021] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1018, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1024] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1021] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1024] <... openat resumed>)       = 3
[pid  1024] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1024] <... futex resumed>)        = 1
[pid  1021] <... futex resumed>)        = 0
[pid  1021] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1024] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1021] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1024] <... write resumed>)        = 2
[pid  1024] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1025 attached
) = 1
[pid  1021] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1025
[pid  1025] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1021] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1025] <... set_robust_list resumed>) = 0
[pid  1021] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1025] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1021] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1025] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1025] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1024] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid  1025] <... prctl resumed>)        = 0
[pid  1024] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1025] setpgid(0, 0 <unfinished ...>
[pid  1024] <... futex resumed>)        = 1
[pid  1021] <... futex resumed>)        = 0
[pid  1025] <... setpgid resumed>)      = 0
[pid  1024] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1021] exit_group(0 <unfinished ...>
[pid  1024] <... futex resumed>)        = ?
[pid  1021] <... exit_group resumed>)   = ?
[pid  1025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1024] +++ exited with 0 +++
[pid  1021] +++ exited with 0 +++
[pid  1025] <... openat resumed>)       = 3
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1021, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... restart_syscall resumed>) = 0
[pid  1025] write(3, "1000", 4 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1025] <... write resumed>)        = 4
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1025] close(3 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1026 attached
 <unfinished ...>
[pid  1025] <... close resumed>)        = 0
[pid  1026] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1025] write(1, "executing program\n", 18 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1026
[pid   312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1026] <... set_robust_list resumed>) = 0
[pid  1026] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1026] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1025] <... write resumed>)        = 18
[pid  1026] <... prctl resumed>)        = 0
[pid  1026] setpgid(0, 0)               = 0
executing program
[pid  1025] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1025] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1025] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1025] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1026] <... openat resumed>)       = 3
[pid  1025] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1026] write(3, "1000", 4 <unfinished ...>
[pid  1025] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1026] <... write resumed>)        = 4
[pid  1026] close(3 <unfinished ...>
[pid  1025] <... mmap resumed>)         = 0x7fb4de009000
[pid  1026] <... close resumed>)        = 0
[pid  1025] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1026] write(1, "executing program\n", 18) = 18
[pid  1025] <... mprotect resumed>)     = 0
[pid  1026] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid  1026] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1025] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1026] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1025] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1026] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1026] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1025] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1026] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1026] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1026] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1027 attached
, [], 8) = 0
[pid  1027] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1026] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1025] <... clone3 resumed> => {parent_tid=[1027]}, 88) = 1027
[pid  1027] <... set_robust_list resumed>) = 0
[pid  1025] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1027] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1025] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1028 attached
[pid  1027] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1026] <... clone3 resumed> => {parent_tid=[1028]}, 88) = 1028
[pid  1025] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1028] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1027] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1025] <... futex resumed>)        = 0
[pid  1027] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1026] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1027] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1026] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1027] <... futex resumed>)        = 0
[pid  1026] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1027] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1026] <... futex resumed>)        = 0
[pid  1026] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1028] <... set_robust_list resumed>) = 0
[pid  1025] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1029 attached
 <unfinished ...>
[pid  1029] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1025] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1029] <... set_robust_list resumed>) = 0
[pid  1029] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1029] setpgid(0, 0)               = 0
[pid  1029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1029] write(3, "1000", 4)         = 4
[pid  1029] close(3)                    = 0
[pid  1029] write(1, "executing program\n", 18) = 18
executing program
[pid  1029] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1025] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1028] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1029
[pid  1029] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1029] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1028] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1029] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1027] <... futex resumed>)        = 0
[pid  1025] <... futex resumed>)        = 1
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1029] <... mmap resumed>)         = 0x7fb4de009000
[pid  1028] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1027] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1025] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  1028] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1029] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1027] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1029] <... mprotect resumed>)     = 0
[pid  1028] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1027] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1029] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1028] <... futex resumed>)        = 1
[pid  1027] <... futex resumed>)        = 1
[pid  1026] <... futex resumed>)        = 0
[pid  1029] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1028] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1027] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1026] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1025] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1029] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1028] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1026] <... futex resumed>)        = 0
[pid  1025] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1030 attached
[pid  1028] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1027] <... futex resumed>)        = 0
[pid  1026] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1025] <... futex resumed>)        = 1
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1029] <... clone3 resumed> => {parent_tid=[1030]}, 88) = 1030
[pid  1028] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1027] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1025] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1029] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1027] <... openat resumed>)       = 3
[pid  1029] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1027] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1029] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1027] <... futex resumed>)        = 0
[pid  1029] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1027] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1028] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1025] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1030] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1028] <... futex resumed>)        = 1
[pid  1025] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1031
[pid  1030] <... set_robust_list resumed>) = 0
[pid  1028] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1025] <... futex resumed>)        = 0
[pid  1025] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1030] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1031 attached
, NULL, 8) = 0
[pid  1027] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1026] <... futex resumed>)        = 0
[pid  1031] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1030] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1027] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1026] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1031] <... set_robust_list resumed>) = 0
[pid  1030] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1027] <... write resumed>)        = 2
[pid  1026] <... futex resumed>)        = 1
[pid  1031] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1030] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1028] <... futex resumed>)        = 0
[pid  1027] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1026] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1031] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1030] <... futex resumed>)        = 1
[pid  1029] <... futex resumed>)        = 0
[pid  1028] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1027] <... futex resumed>)        = 1
[pid  1025] <... futex resumed>)        = 0
[pid  1031] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1030] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1029] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1028] <... openat resumed>)       = 3
[pid  1027] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1025] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1031] <... prctl resumed>)        = 0
[pid  1030] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1029] <... futex resumed>)        = 0
[pid  1027] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1025] <... futex resumed>)        = 0
[pid  1031] setpgid(0, 0 <unfinished ...>
[pid  1029] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1027] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1025] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1031] <... setpgid resumed>)      = 0
[pid  1030] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1027] <... openat resumed>)       = 4
[pid  1031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1028] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1027] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1031] <... openat resumed>)       = 3
[pid  1030] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1028] <... futex resumed>)        = 1
[pid  1026] <... futex resumed>)        = 0
[pid  1030] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1028] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1027] <... futex resumed>)        = 1
[pid  1026] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1025] <... futex resumed>)        = 0
[pid  1031] write(3, "1000", 4 <unfinished ...>
[pid  1030] <... futex resumed>)        = 1
[pid  1029] <... futex resumed>)        = 0
[pid  1028] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1027] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1026] <... futex resumed>)        = 0
[pid  1031] <... write resumed>)        = 4
[pid  1030] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1029] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1028] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1026] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1025] exit_group(0 <unfinished ...>
[pid  1031] close(3 <unfinished ...>
[pid  1030] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1029] <... futex resumed>)        = 0
[pid  1028] <... write resumed>)        = 2
[pid  1027] <... futex resumed>)        = ?
[pid  1025] <... exit_group resumed>)   = ?
[pid  1031] <... close resumed>)        = 0
[pid  1030] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1029] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1028] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1027] +++ exited with 0 +++
[pid  1031] write(1, "executing program\n", 18) = 18
[pid  1031] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1031] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1031] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1031] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1031] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1025] +++ exited with 0 +++
[pid  1028] <... futex resumed>)        = 1
[pid  1026] <... futex resumed>)        = 0
executing program
[pid  1031] <... mprotect resumed>)     = 0
[pid  1030] <... openat resumed>)       = 3
[pid  1028] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1026] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1025, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1031] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1030] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1026] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1030] <... futex resumed>)        = 1
[pid  1029] <... futex resumed>)        = 0
[pid  1026] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1031] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1029] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1031] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1029] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1032 attached
[pid  1030] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1029] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1028] <... openat resumed>)       = 4
[pid  1031] <... clone3 resumed> => {parent_tid=[1032]}, 88) = 1032
[pid  1030] <... write resumed>)        = 2
[pid  1032] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1030] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1028] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1032] <... set_robust_list resumed>) = 0
[pid  1031] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1030] <... futex resumed>)        = 1
[pid  1029] <... futex resumed>)        = 0
[pid  1032] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1031] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1030] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1029] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1028] <... futex resumed>)        = 1
[pid  1026] <... futex resumed>)        = 0
[pid  1032] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1031] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1030] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1029] <... futex resumed>)        = 0
[pid  1026] exit_group(0 <unfinished ...>
[pid  1032] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1031] <... futex resumed>)        = 0
[pid  1030] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1029] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1028] ???( <unfinished ...>
[pid  1032] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1031] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1026] <... exit_group resumed>)   = ?
[pid  1032] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1030] <... openat resumed>)       = 4
[pid  1028] <... ??? resumed>)          = ?
[pid  1032] <... futex resumed>)        = 1
[pid  1031] <... futex resumed>)        = 0
[pid  1031] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1031] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1030] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1030] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1029] <... futex resumed>)        = 0
[pid  1029] exit_group(0 <unfinished ...>
[pid  1030] <... futex resumed>)        = ?
[pid  1030] +++ exited with 0 +++
[pid  1029] <... exit_group resumed>)   = ?
[pid  1028] +++ exited with 0 +++
[pid  1026] +++ exited with 0 +++
[pid  1032] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1026, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1032] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1029] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1029, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1032] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1032] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1031] <... futex resumed>)        = 0
[pid  1031] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1032] <... futex resumed>)        = 0
[pid  1031] <... futex resumed>)        = 1
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1032] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1031] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1032] <... openat resumed>)       = 3
[pid  1032] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1031] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1033 attached
[pid  1031] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1033] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1032] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1031] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1033
[pid  1033] <... set_robust_list resumed>) = 0
[pid  1032] <... write resumed>)        = 2
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1033] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1032] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1033] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1031] <... futex resumed>)        = 0
[pid  1033] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1032] <... futex resumed>)        = 1
[pid  1031] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1033] <... prctl resumed>)        = 0
[pid  1032] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1031] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1033] setpgid(0, 0 <unfinished ...>
[pid  1031] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1032] <... openat resumed>)       = 4
[pid  1033] <... setpgid resumed>)      = 0
[pid  1033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1032] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 1034 attached
[pid  1032] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1033] <... openat resumed>)       = 3
[pid  1031] <... futex resumed>)        = 0
[pid  1034] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1033] write(3, "1000", 4 <unfinished ...>
[pid  1034] <... set_robust_list resumed>) = 0
[pid  1031] exit_group(0 <unfinished ...>
[pid  1033] <... write resumed>)        = 4
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1034
[pid  1034] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1033] close(3 <unfinished ...>
[pid  1031] <... exit_group resumed>)   = ?
[pid  1034] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1033] <... close resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1033] write(1, "executing program\n", 18 <unfinished ...>
[pid  1032] <... futex resumed>)        = ?
executing program
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1034] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1033] <... write resumed>)        = 18
[pid  1032] +++ exited with 0 +++
[pid  1031] +++ exited with 0 +++
[pid   312] <... restart_syscall resumed>) = 0
[pid  1034] <... prctl resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1031, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  1034] setpgid(0, 0 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1034] <... setpgid resumed>)      = 0
[pid  1033] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1033] <... futex resumed>)        = 0
[pid  1034] <... openat resumed>)       = 3
[pid  1034] write(3, "1000", 4 <unfinished ...>
[pid  1033] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1033] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1033] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1033] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1034] <... write resumed>)        = 4
[pid  1034] close(3)                    = 0
[pid  1034] write(1, "executing program\n", 18) = 18
[pid  1034] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1034] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1034] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
executing program
[pid  1033] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 1035 attached
 <unfinished ...>
[pid  1034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1035] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1034] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1035] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1034] <... mprotect resumed>)     = 0
[pid  1033] <... mmap resumed>)         = 0x7fb4de009000
[pid  1035] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1034] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1033] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1035
[pid  1035] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1034] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1035] <... prctl resumed>)        = 0
[pid  1034] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1033] <... mprotect resumed>)     = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1035] setpgid(0, 0)               = 0
[pid  1035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1033] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1036 attached
, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1033] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1036] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1035] <... openat resumed>)       = 3
[pid  1034] <... clone3 resumed> => {parent_tid=[1036]}, 88) = 1036
[pid  1035] write(3, "1000", 4 <unfinished ...>
[pid  1034] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1035] <... write resumed>)        = 4
[pid  1034] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1035] close(3 <unfinished ...>
[pid  1034] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1035] <... close resumed>)        = 0
[pid  1034] <... futex resumed>)        = 0
[pid  1035] write(1, "executing program\n", 18 <unfinished ...>
[pid  1034] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1035] <... write resumed>)        = 18
[pid  1035] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1035] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1037 attached
executing program
[pid  1036] <... set_robust_list resumed>) = 0
[pid  1035] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1036] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1033] <... clone3 resumed> => {parent_tid=[1037]}, 88) = 1037
[pid  1036] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1033] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1037] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1036] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1035] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1033] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1037] <... set_robust_list resumed>) = 0
[pid  1036] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1035] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1033] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1037] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1036] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1035] <... mmap resumed>)         = 0x7fb4de009000
[pid  1033] <... futex resumed>)        = 0
[pid  1037] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1036] <... futex resumed>)        = 1
[pid  1035] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1034] <... futex resumed>)        = 0
[pid  1037] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1036] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1035] <... mprotect resumed>)     = 0
[pid  1034] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1033] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1037] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1036] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1034] <... futex resumed>)        = 0
[pid  1037] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1036] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1035] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1034] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1037] <... futex resumed>)        = 1
[pid  1035] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1033] <... futex resumed>)        = 0
[pid  1037] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1036] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1035] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1037] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1036] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1033] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1038 attached
 <unfinished ...>
[pid  1037] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1036] <... futex resumed>)        = 1
[pid  1034] <... futex resumed>)        = 0
[pid  1033] <... futex resumed>)        = 0
[pid  1038] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1037] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1036] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1034] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1033] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1038] <... set_robust_list resumed>) = 0
[pid  1036] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1038] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1036] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1037] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1035] <... clone3 resumed> => {parent_tid=[1038]}, 88) = 1038
[pid  1034] <... futex resumed>)        = 0
[pid  1038] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1037] <... futex resumed>)        = 1
[pid  1036] <... openat resumed>)       = 3
[pid  1035] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1034] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1033] <... futex resumed>)        = 0
[pid  1038] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1037] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1036] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1035] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1034] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1033] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1037] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1036] <... futex resumed>)        = 0
[pid  1035] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1034] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1033] <... futex resumed>)        = 0
[pid  1038] <... futex resumed>)        = 0
[pid  1037] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1036] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1035] <... futex resumed>)        = 1
[pid  1034] <... futex resumed>)        = 0
[pid  1033] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1037] <... openat resumed>)       = 3
[pid  1035] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1034] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1038] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1037] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1036] <... write resumed>)        = 2
[pid  1033] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... restart_syscall resumed>) = 0
[pid  1038] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1037] <... futex resumed>)        = 0
[pid  1037] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1036] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1038] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1033] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1038] <... futex resumed>)        = 1
[pid  1037] <... futex resumed>)        = 0
[pid  1036] <... futex resumed>)        = 1
[pid  1035] <... futex resumed>)        = 0
[pid  1034] <... futex resumed>)        = 0
[pid  1033] <... futex resumed>)        = 1
[pid  1038] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1037] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1036] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1035] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1038] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1037] <... write resumed>)        = 2
[pid  1035] <... futex resumed>)        = 0
[pid  1034] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1033] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1038] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1037] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1035] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1034] <... futex resumed>)        = 0
[pid  1033] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1038] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1037] <... futex resumed>)        = 0
[pid  1036] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1034] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1033] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1036] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1037] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1036] <... openat resumed>)       = 4
[pid  1033] <... futex resumed>)        = 0
[pid  1036] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1034] <... futex resumed>)        = 0
[pid  1036] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1034] exit_group(0 <unfinished ...>
[pid  1036] <... futex resumed>)        = ?
[pid  1034] <... exit_group resumed>)   = ?
[pid  1038] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1037] <... openat resumed>)       = 4
[pid  1036] +++ exited with 0 +++
[pid  1034] +++ exited with 0 +++
[pid  1033] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1038] <... futex resumed>)        = 1
[pid  1035] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1039 attached
[pid  1037] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1039] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1038] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1037] <... futex resumed>)        = 1
[pid  1033] <... futex resumed>)        = 0
[pid  1039] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1035] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1039
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1034, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1039] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1039] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1038] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1035] <... futex resumed>)        = 0
[pid  1033] exit_group(0 <unfinished ...>
[pid  1037] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1038] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1035] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1033] <... exit_group resumed>)   = ?
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1037] +++ exited with 0 +++
[pid  1038] <... openat resumed>)       = 3
[pid  1039] <... prctl resumed>)        = 0
[pid  1039] setpgid(0, 0)               = 0
[pid  1039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1039] write(3, "1000", 4)         = 4
[pid  1039] close(3)                    = 0
[pid  1039] write(1, "executing program\n", 18) = 18
[pid  1033] +++ exited with 0 +++
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1038] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1033, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1038] <... futex resumed>)        = 1
executing program
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1035] <... futex resumed>)        = 0
[pid  1038] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1038] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1035] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1039] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1039] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1039] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1039] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 1040 attached
) = 0x7fb4de009000
[pid  1038] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1035] <... futex resumed>)        = 0
[pid  1040] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1039] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1038] <... write resumed>)        = 2
[pid  1040] <... set_robust_list resumed>) = 0
[pid  1039] <... mprotect resumed>)     = 0
[pid  1038] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1035] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1040] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1039] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1038] <... futex resumed>)        = 0
[pid  1035] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1040
[pid  1040] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1039] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1038] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1035] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1040] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1039] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1038] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1035] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1040] <... prctl resumed>)        = 0
[pid  1038] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1035] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1041 attached
[pid  1040] setpgid(0, 0 <unfinished ...>
[pid  1039] <... clone3 resumed> => {parent_tid=[1041]}, 88) = 1041
[pid  1040] <... setpgid resumed>)      = 0
[pid  1039] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1041] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1039] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1038] <... openat resumed>)       = 4
[pid  1041] <... set_robust_list resumed>) = 0
[pid  1040] <... openat resumed>)       = 3
[pid  1039] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1039] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1040] write(3, "1000", 4)         = 4
[pid  1040] close(3)                    = 0
[pid  1040] write(1, "executing program\n", 18) = 18
[pid  1040] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid  1040] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1040] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1040] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1041] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1040] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1038] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1041] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1040] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1038] <... futex resumed>)        = 1
[pid  1035] <... futex resumed>)        = 0
[pid  1041] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1038] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1035] exit_group(0 <unfinished ...>
[pid  1041] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1040] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1035] <... exit_group resumed>)   = ?
[pid  1041] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1038] <... futex resumed>)        = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 1042 attached
[pid  1041] <... futex resumed>)        = 1
[pid  1040] <... clone3 resumed> => {parent_tid=[1042]}, 88) = 1042
[pid  1039] <... futex resumed>)        = 0
[pid  1040] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1039] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1040] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1039] <... futex resumed>)        = 0
[pid  1040] <... futex resumed>)        = 0
[pid  1039] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1040] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1042] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1041] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1038] +++ exited with 0 +++
[pid  1035] +++ exited with 0 +++
[pid  1042] <... set_robust_list resumed>) = 0
[pid  1041] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1035, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] <... restart_syscall resumed>) = 0
[pid  1042] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1042] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1041] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1042] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1041] <... futex resumed>)        = 1
[pid  1039] <... futex resumed>)        = 0
[pid  1042] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1041] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1042] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1042] <... futex resumed>)        = 1
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1042] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1040] <... futex resumed>)        = 0
[pid  1039] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1040] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1039] <... futex resumed>)        = 1
[pid  1042] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1041] <... futex resumed>)        = 0
[pid  1040] <... futex resumed>)        = 0
[pid  1039] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1043 attached
 <unfinished ...>
[pid  1042] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1041] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1040] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1043] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1042] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1043] <... set_robust_list resumed>) = 0
[pid  1041] <... openat resumed>)       = 3
[pid  1043] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1042] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1043
[pid  1043] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1042] <... futex resumed>)        = 1
[pid  1041] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1043] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1042] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1041] <... futex resumed>)        = 1
[pid  1040] <... futex resumed>)        = 0
[pid  1039] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1040] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1040] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1043] <... prctl resumed>)        = 0
[pid  1043] setpgid(0, 0)               = 0
[pid  1043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1042] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1041] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1039] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1042] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1041] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1039] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1042] <... openat resumed>)       = 3
[pid  1041] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1043] <... openat resumed>)       = 3
[pid  1042] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1041] <... write resumed>)        = 2
[pid  1043] write(3, "1000", 4)         = 4
[pid  1041] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1043] close(3 <unfinished ...>
[pid  1042] <... futex resumed>)        = 1
[pid  1040] <... futex resumed>)        = 0
[pid  1041] <... futex resumed>)        = 1
[pid  1039] <... futex resumed>)        = 0
[pid  1043] <... close resumed>)        = 0
[pid  1042] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1041] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1040] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1039] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1043] write(1, "executing program\n", 18 <unfinished ...>
[pid  1040] <... futex resumed>)        = 0
[pid  1043] <... write resumed>)        = 18
[pid  1042] <... write resumed>)        = 2
[pid  1041] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
executing program
[pid  1040] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1039] <... futex resumed>)        = 0
[pid  1043] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1042] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1041] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1040] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1043] <... futex resumed>)        = 0
[pid  1040] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1043] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1040] <... futex resumed>)        = 0
[pid  1043] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1042] <... futex resumed>)        = 0
[pid  1041] <... openat resumed>)       = 4
[pid  1040] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1039] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1043] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1042] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1041] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1039] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1043] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1041] <... futex resumed>)        = 0
[pid  1043] <... mmap resumed>)         = 0x7fb4de009000
[pid  1042] <... openat resumed>)       = 4
[pid  1041] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1039] exit_group(0 <unfinished ...>
[pid  1043] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1042] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1041] <... futex resumed>)        = ?
[pid  1039] <... exit_group resumed>)   = ?
[pid  1042] <... futex resumed>)        = 1
[pid  1040] <... futex resumed>)        = 0
[pid  1043] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1042] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1041] +++ exited with 0 +++
[pid  1040] exit_group(0 <unfinished ...>
[pid  1043] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1040] <... exit_group resumed>)   = ?
[pid  1043] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1044 attached
 <unfinished ...>
[pid  1044] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1043] <... clone3 resumed> => {parent_tid=[1044]}, 88) = 1044
[pid  1044] <... set_robust_list resumed>) = 0
[pid  1043] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1044] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1043] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1039] +++ exited with 0 +++
[pid  1044] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1043] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1042] <... futex resumed>)        = ?
[pid  1044] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1043] <... futex resumed>)        = 0
[pid  1044] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1043] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1044] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1043] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1044] <... futex resumed>)        = 0
[pid  1043] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1044] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1043] <... futex resumed>)        = 0
[pid  1044] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1043] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1044] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1043] <... futex resumed>)        = 0
[pid  1042] +++ exited with 0 +++
[pid  1040] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1039, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... restart_syscall resumed>) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1040, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1044] <... futex resumed>)        = 1
[pid  1043] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1044] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1043] <... futex resumed>)        = 0
[pid  1044] <... openat resumed>)       = 3
[pid  1043] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1044] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1043] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1044] <... futex resumed>)        = 0
[pid  1043] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1044] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1043] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1044] <... write resumed>)        = 2
[pid  1043] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1044] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1043] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1044] <... futex resumed>)        = 0
[pid  1043] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1044] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1043] <... futex resumed>)        = 0
[pid  1044] <... openat resumed>)       = 4
[pid  1043] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1044] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1045 attached
 <unfinished ...>
[pid  1045] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1044] <... futex resumed>)        = 1
[pid  1043] <... futex resumed>)        = 0
[pid  1045] <... set_robust_list resumed>) = 0
[pid  1044] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1043] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 1046 attached
 <unfinished ...>
[pid  1045] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1045
[pid  1043] <... exit_group resumed>)   = ?
[pid  1046] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1046
[pid  1046] <... set_robust_list resumed>) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1046] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1045] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1044] <... futex resumed>)        = ?
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1046] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1045] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1044] +++ exited with 0 +++
[pid  1043] +++ exited with 0 +++
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1046] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1043, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1046] <... prctl resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1046] setpgid(0, 0 <unfinished ...>
[pid  1045] <... prctl resumed>)        = 0
[pid  1045] setpgid(0, 0)               = 0
[pid  1045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1046] <... setpgid resumed>)      = 0
[pid  1045] write(3, "1000", 4 <unfinished ...>
executing program
[pid  1046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1045] <... write resumed>)        = 4
[pid  1045] close(3 <unfinished ...>
[pid  1046] <... openat resumed>)       = 3
[pid  1045] <... close resumed>)        = 0
[pid  1046] write(3, "1000", 4)         = 4
[pid  1045] write(1, "executing program\n", 18 <unfinished ...>
[pid  1046] close(3 <unfinished ...>
[pid  1045] <... write resumed>)        = 18
[pid  1045] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1045] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1046] <... close resumed>)        = 0
[pid  1046] write(1, "executing program\n", 18 <unfinished ...>
[pid  1045] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1046] <... write resumed>)        = 18
[pid  1045] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1046] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1045] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1046] <... futex resumed>)        = 0
executing program
[pid  1045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1045] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1045] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1046] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1045] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1046] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1045] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1047 attached
 <unfinished ...>
[pid  1046] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1047] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1046] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1047] <... set_robust_list resumed>) = 0
[pid  1045] <... clone3 resumed> => {parent_tid=[1047]}, 88) = 1047
[pid  1046] <... mmap resumed>)         = 0x7fb4de009000
[pid  1047] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1046] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1045] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1047] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1045] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1047] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1046] <... mprotect resumed>)     = 0
[pid  1045] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1047] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1045] <... futex resumed>)        = 0
[pid  1047] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1046] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1045] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1047] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1047] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1045] <... futex resumed>)        = 0
[pid  1047] <... futex resumed>)        = 1
[pid  1045] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1047] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1046] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1045] <... futex resumed>)        = 0
[pid  1047] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1046] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1045] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1047] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1045] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1047] <... futex resumed>)        = 1
[pid  1045] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1047] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1045] <... futex resumed>)        = 0
[pid  1047] <... openat resumed>)       = 3
[pid  1045] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1047] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1045] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1047] <... futex resumed>)        = 0
[pid  1045] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1047] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1045] <... futex resumed>)        = 0
[pid  1047] <... write resumed>)        = 2
[pid  1045] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1049 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1048 attached
 <unfinished ...>
[pid  1047] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1045] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1048] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1047] <... futex resumed>)        = 0
[pid  1045] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1048] <... set_robust_list resumed>) = 0
[pid  1047] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1045] <... futex resumed>)        = 0
[pid  1049] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1048] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1047] <... openat resumed>)       = 4
[pid  1045] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1049] <... set_robust_list resumed>) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1048
[pid  1049] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1048] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1046] <... clone3 resumed> => {parent_tid=[1049]}, 88) = 1049
[pid  1049] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1048] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1047] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1046] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1049] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1048] <... prctl resumed>)        = 0
[pid  1047] <... futex resumed>)        = 1
[pid  1045] <... futex resumed>)        = 0
[pid  1048] setpgid(0, 0 <unfinished ...>
[pid  1047] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1046] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1045] exit_group(0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1048] <... setpgid resumed>)      = 0
[pid  1047] <... futex resumed>)        = ?
[pid  1046] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1045] <... exit_group resumed>)   = ?
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1049] <... futex resumed>)        = 0
[pid  1048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1047] +++ exited with 0 +++
[pid  1046] <... futex resumed>)        = 1
[pid  1049] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1048] <... openat resumed>)       = 3
[pid  1045] +++ exited with 0 +++
[pid  1046] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1049] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1049] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1045, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1048] write(3, "1000", 4)         = 4
[pid  1048] close(3)                    = 0
[pid  1048] write(1, "executing program\n", 18) = 18
[pid  1048] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1048] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1048] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1049] <... futex resumed>)        = 1
[pid  1049] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1046] <... futex resumed>)        = 0
executing program
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 1050 attached
 <unfinished ...>
[pid  1048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1050] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1048] <... mmap resumed>)         = 0x7fb4de009000
[pid  1050] <... set_robust_list resumed>) = 0
[pid  1048] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1050] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1048] <... mprotect resumed>)     = 0
[pid  1048] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1050] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1046] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1050] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1048] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1050
[pid  1049] <... futex resumed>)        = 0
[pid  1046] <... futex resumed>)        = 1
[pid  1049] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1046] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1050] <... prctl resumed>)        = 0
[pid  1048] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1050] setpgid(0, 0 <unfinished ...>
[pid  1049] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1051 attached
[pid  1050] <... setpgid resumed>)      = 0
[pid  1049] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1048] <... clone3 resumed> => {parent_tid=[1051]}, 88) = 1051
[pid  1051] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1049] <... futex resumed>)        = 1
[pid  1048] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1046] <... futex resumed>)        = 0
[pid  1051] <... set_robust_list resumed>) = 0
[pid  1050] <... openat resumed>)       = 3
[pid  1048] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1048] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1046] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1051] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1049] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1046] <... futex resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1051] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1050] write(3, "1000", 4 <unfinished ...>
[pid  1051] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1048] <... futex resumed>)        = 0
[pid  1051] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1050] <... write resumed>)        = 4
[pid  1048] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1046] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1049] <... openat resumed>)       = 3
[pid  1051] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1050] close(3 <unfinished ...>
[pid  1049] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1048] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1051] <... futex resumed>)        = 0
[pid  1050] <... close resumed>)        = 0
[pid  1049] <... futex resumed>)        = 1
[pid  1048] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1046] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
executing program
[pid  1051] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1050] write(1, "executing program\n", 18 <unfinished ...>
[pid  1049] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1048] <... futex resumed>)        = 0
[pid  1046] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1050] <... write resumed>)        = 18
[pid  1048] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1046] <... futex resumed>)        = 0
[pid  1050] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1050] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1050] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1050] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1046] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1051] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1049] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1051] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1049] write(3, "\x38\x00", 2 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1052
[pid  1051] <... futex resumed>)        = 1
[pid  1049] <... write resumed>)        = 2
ci2-android-6-12-rust/strace-static-x86_64: Process 1052 attached
[pid  1051] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1050] <... mprotect resumed>)     = 0
[pid  1049] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1048] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1052] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1050] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1048] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1052] <... set_robust_list resumed>) = 0
[pid  1051] <... futex resumed>)        = 0
[pid  1050] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1049] <... futex resumed>)        = 1
[pid  1048] <... futex resumed>)        = 1
[pid  1046] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1052] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1051] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1050] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1048] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1052] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1051] <... openat resumed>)       = 3
[pid  1049] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1046] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1053 attached
 <unfinished ...>
[pid  1052] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1051] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1050] <... clone3 resumed> => {parent_tid=[1053]}, 88) = 1053
[pid  1053] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1052] <... prctl resumed>)        = 0
[pid  1051] <... futex resumed>)        = 1
[pid  1050] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1048] <... futex resumed>)        = 0
[pid  1046] <... futex resumed>)        = 0
[pid  1053] <... set_robust_list resumed>) = 0
[pid  1052] setpgid(0, 0 <unfinished ...>
[pid  1051] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1050] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1048] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1046] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1053] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1052] <... setpgid resumed>)      = 0
[pid  1051] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1050] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1048] <... futex resumed>)        = 0
[pid  1053] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1051] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1050] <... futex resumed>)        = 0
[pid  1049] <... openat resumed>)       = 4
[pid  1048] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1053] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1052] <... openat resumed>)       = 3
[pid  1051] <... write resumed>)        = 2
[pid  1050] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1049] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1053] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1051] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1053] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1049] <... futex resumed>)        = 1
[pid  1046] <... futex resumed>)        = 0
[pid  1053] <... futex resumed>)        = 0
[pid  1051] <... futex resumed>)        = 1
[pid  1049] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1051] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1046] exit_group(0 <unfinished ...>
[pid  1053] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1049] <... futex resumed>)        = ?
[pid  1046] <... exit_group resumed>)   = ?
[pid  1052] write(3, "1000", 4 <unfinished ...>
[pid  1050] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1049] +++ exited with 0 +++
[pid  1048] <... futex resumed>)        = 0
[pid  1052] <... write resumed>)        = 4
[pid  1050] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1048] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1053] <... futex resumed>)        = 0
[pid  1052] close(3 <unfinished ...>
[pid  1050] <... futex resumed>)        = 1
[pid  1048] <... futex resumed>)        = 1
[pid  1053] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1052] <... close resumed>)        = 0
[pid  1050] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1048] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1053] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1052] write(1, "executing program\n", 18 <unfinished ...>
[pid  1046] +++ exited with 0 +++
[pid  1052] <... write resumed>)        = 18
[pid  1051] <... futex resumed>)        = 0
executing program
[pid  1053] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1052] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1051] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1053] <... futex resumed>)        = 1
[pid  1052] <... futex resumed>)        = 0
[pid  1050] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1046, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1053] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1052] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1050] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1053] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1052] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1050] <... futex resumed>)        = 0
[pid  1053] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1052] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1050] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1053] <... openat resumed>)       = 3
[pid  1052] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1051] <... openat resumed>)       = 4
[pid  1052] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1051] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1053] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1052] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1053] <... futex resumed>)        = 1
[pid  1052] <... mprotect resumed>)     = 0
[pid  1050] <... futex resumed>)        = 0
[pid  1051] <... futex resumed>)        = 1
[pid  1048] <... futex resumed>)        = 0
[pid  1053] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  1052] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1050] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1048] exit_group(0 <unfinished ...>
[pid  1051] ???( <unfinished ...>
[pid  1053] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1050] <... futex resumed>)        = 0
[pid  1048] <... exit_group resumed>)   = ?
[pid  1051] <... ??? resumed>)          = ?
[pid  1053] <... write resumed>)        = 2
[pid  1052] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1050] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1053] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1052] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1050] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1053] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1051] +++ exited with 0 +++
[pid  1050] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1048] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 1054 attached
[pid  1053] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1050] <... futex resumed>)        = 0
[pid  1050] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1052] <... clone3 resumed> => {parent_tid=[1054]}, 88) = 1054
[pid  1054] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1048, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1054] <... set_robust_list resumed>) = 0
[pid  1052] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1054] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1052] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1054] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1052] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1054] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1053] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1052] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1055 attached
 <unfinished ...>
[pid  1054] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1053] <... openat resumed>)       = 4
[pid  1052] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1055] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1053] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1053] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1054] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1056 attached
 <unfinished ...>
[pid  1050] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1055
[pid  1056] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1055] <... set_robust_list resumed>) = 0
[pid  1052] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1050] exit_group(0 <unfinished ...>
[pid  1055] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1054] <... futex resumed>)        = 0
[pid  1052] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1056] <... set_robust_list resumed>) = 0
[pid  1053] <... futex resumed>)        = ?
[pid  1050] <... exit_group resumed>)   = ?
[pid  1056] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1055] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1054] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1053] +++ exited with 0 +++
[pid  1052] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1056] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1054] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1052] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1055] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1054] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1052] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1056] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1054] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1056
[pid  1052] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1054] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1056] <... prctl resumed>)        = 0
[pid  1055] <... prctl resumed>)        = 0
[pid  1052] <... futex resumed>)        = 0
[pid  1054] <... openat resumed>)       = 3
[pid  1052] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1054] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1056] setpgid(0, 0 <unfinished ...>
[pid  1054] <... futex resumed>)        = 0
[pid  1055] setpgid(0, 0 <unfinished ...>
[pid  1052] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1056] <... setpgid resumed>)      = 0
[pid  1054] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1052] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1055] <... setpgid resumed>)      = 0
[pid  1052] <... futex resumed>)        = 1
[pid  1050] +++ exited with 0 +++
[pid  1054] <... futex resumed>)        = 0
[pid  1054] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1054] <... write resumed>)        = 2
[pid  1052] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1054] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1052] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1050, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1054] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1052] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1054] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1054] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1052] <... futex resumed>)        = 0
[pid  1056] <... openat resumed>)       = 3
[pid  1055] <... openat resumed>)       = 3
[pid  1054] <... openat resumed>)       = 4
[pid  1052] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1054] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1052] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1054] <... futex resumed>)        = 0
[pid  1054] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1056] write(3, "1000", 4)         = 4
[pid  1056] close(3)                    = 0
[pid  1056] write(1, "executing program\n", 18) = 18
[pid  1056] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1056] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1055] write(3, "1000", 4 <unfinished ...>
[pid  1056] <... rt_sigaction resumed>, NULL, 8) = 0
executing program
[pid  1052] exit_group(0 <unfinished ...>
[pid  1056] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1055] <... write resumed>)        = 4
[pid  1052] <... exit_group resumed>)   = ?
[pid  1055] close(3 <unfinished ...>
[pid  1056] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1055] <... close resumed>)        = 0
[pid  1054] <... futex resumed>)        = ?
[pid  1056] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1055] write(1, "executing program\n", 18 <unfinished ...>
[pid  1054] +++ exited with 0 +++
[pid  1052] +++ exited with 0 +++
[pid  1056] <... mmap resumed>)         = 0x7fb4de009000
executing program
[pid  1055] <... write resumed>)        = 18
[pid  1056] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1055] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1052, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1055] <... futex resumed>)        = 0
[pid  1056] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1055] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1055] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1056] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1055] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 1057 attached
 <unfinished ...>
[pid  1056] <... clone3 resumed> => {parent_tid=[1057]}, 88) = 1057
[pid  1055] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1057] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1056] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1055] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1057] <... set_robust_list resumed>) = 0
[pid  1056] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1057] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1055] <... mmap resumed>)         = 0x7fb4de009000
[pid  1057] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1056] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1055] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1057] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1056] <... futex resumed>)        = 0
[pid  1056] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1055] <... mprotect resumed>)     = 0
[pid  1057] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1055] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1057] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1056] <... futex resumed>)        = 0
[pid  1055] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1057] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1056] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1057] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1056] <... futex resumed>)        = 0
[pid  1055] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1057] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  1056] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1058 attached
 <unfinished ...>
[pid  1055] <... clone3 resumed> => {parent_tid=[1058]}, 88) = 1058
[pid  1058] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1055] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1057] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1058] <... set_robust_list resumed>) = 0
[pid  1055] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1058] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1057] <... futex resumed>)        = 1
[pid  1056] <... futex resumed>)        = 0
[pid  1055] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1057] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1056] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1057] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1056] <... futex resumed>)        = 0
[pid  1057] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1056] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1058] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1057] <... openat resumed>)       = 3
[pid  1055] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  1057] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1056] <... futex resumed>)        = 0
[pid  1057] <... futex resumed>)        = 1
[pid  1056] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1055] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1058] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1057] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1056] <... futex resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1058] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1057] <... write resumed>)        = 2
[pid  1056] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1058] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1057] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1058] <... futex resumed>)        = 1
[pid  1057] <... futex resumed>)        = 1
[pid  1056] <... futex resumed>)        = 0
[pid  1055] <... futex resumed>)        = 0
[pid  1057] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1055] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1058] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1055] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1055] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1058] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1057] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1056] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1057] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1056] <... futex resumed>)        = 0
[pid  1057] <... openat resumed>)       = 4
[pid  1056] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1057] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1056] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1057] <... futex resumed>)        = 0
[pid  1056] exit_group(0)               = ?
[pid  1058] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1057] +++ exited with 0 +++
[pid  1056] +++ exited with 0 +++
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1058] <... futex resumed>)        = 1
[pid  1055] <... futex resumed>)        = 0
[pid  1058] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1055] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1060 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1059 attached
 <unfinished ...>
[pid  1058] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1055] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1056, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1058] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1055] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1060] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1059
[pid  1060] <... set_robust_list resumed>) = 0
[pid  1059] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1058] <... openat resumed>)       = 3
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1060] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1058] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1060] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1059] <... set_robust_list resumed>) = 0
[pid  1055] <... futex resumed>)        = 0
[pid  1060] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1059] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1058] <... futex resumed>)        = 1
[pid  1055] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1060
[pid  1060] <... prctl resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1055] <... futex resumed>)        = 0
[pid  1060] setpgid(0, 0 <unfinished ...>
[pid  1059] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1058] write(3, "\x38\x00", 2 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1060] <... setpgid resumed>)      = 0
[pid  1055] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1059] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1058] <... write resumed>)        = 2
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1059] <... prctl resumed>)        = 0
[pid  1060] write(3, "1000", 4 <unfinished ...>
[pid  1059] setpgid(0, 0 <unfinished ...>
[pid  1058] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1060] <... write resumed>)        = 4
[pid  1059] <... setpgid resumed>)      = 0
[pid  1058] <... futex resumed>)        = 1
[pid  1055] <... futex resumed>)        = 0
[pid  1058] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1055] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1060] close(3 <unfinished ...>
[pid  1058] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1055] <... futex resumed>)        = 0
[pid  1060] <... close resumed>)        = 0
[pid  1059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1058] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1055] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1060] write(1, "executing program\n", 18 <unfinished ...>
[pid  1059] <... openat resumed>)       = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 1061 attached
[pid  1059] write(3, "1000", 4 <unfinished ...>
[pid  1061] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1060] <... write resumed>)        = 18
[pid  1058] <... openat resumed>)       = 4
[pid  1061] <... set_robust_list resumed>) = 0
[pid  1058] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1061
[pid  1060] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1058] <... futex resumed>)        = 1
[pid  1055] <... futex resumed>)        = 0
[pid  1060] <... futex resumed>)        = 0
[pid  1058] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1060] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1055] exit_group(0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1061] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1060] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1058] <... futex resumed>)        = ?
[pid  1061] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1060] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1055] <... exit_group resumed>)   = ?
[pid  1058] +++ exited with 0 +++
executing program
[pid  1061] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1059] <... write resumed>)        = 4
[pid  1059] close(3)                    = 0
[pid  1059] write(1, "executing program\n", 18) = 18
executing program
[pid  1061] <... prctl resumed>)        = 0
[pid  1060] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1059] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1055] +++ exited with 0 +++
[pid  1061] setpgid(0, 0 <unfinished ...>
[pid  1060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1059] <... futex resumed>)        = 0
[pid  1061] <... setpgid resumed>)      = 0
[pid  1060] <... mmap resumed>)         = 0x7fb4de009000
[pid  1059] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1060] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1059] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1055, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1061] <... openat resumed>)       = 3
[pid  1059] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1061] write(3, "1000", 4 <unfinished ...>
[pid  1060] <... mprotect resumed>)     = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1059] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1061] <... write resumed>)        = 4
[pid  1061] close(3 <unfinished ...>
[pid  1060] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1061] <... close resumed>)        = 0
[pid  1061] write(1, "executing program\n", 18 <unfinished ...>
[pid  1060] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1059] <... mmap resumed>)         = 0x7fb4de009000
[pid  1061] <... write resumed>)        = 18
executing program
[pid  1060] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1059] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1061] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1059] <... mprotect resumed>)     = 0
[pid  1059] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1061] <... futex resumed>)        = 0
[pid  1060] <... clone3 resumed> => {parent_tid=[1062]}, 88) = 1062
[pid  1061] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1060] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1061] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1060] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1061] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1060] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1061] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1062 attached
[pid  1061] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1060] <... futex resumed>)        = 0
[pid  1059] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1062] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1059] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1063 attached
 <unfinished ...>
[pid  1062] <... set_robust_list resumed>) = 0
[pid  1063] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1062] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1059] <... clone3 resumed> => {parent_tid=[1063]}, 88) = 1063
[pid  1063] <... set_robust_list resumed>) = 0
[pid  1062] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1061] <... mmap resumed>)         = 0x7fb4de009000
[pid  1060] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1059] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1063] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1062] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1059] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1063] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1062] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1059] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1063] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1062] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1061] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1059] <... futex resumed>)        = 0
[pid  1063] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1062] <... futex resumed>)        = 1
[pid  1059] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1063] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1062] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1061] <... mprotect resumed>)     = 0
[pid  1060] <... futex resumed>)        = 0
[pid  1059] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1063] <... futex resumed>)        = 0
[pid  1059] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1063] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1059] <... futex resumed>)        = 0
[pid  1061] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1060] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1063] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1062] <... futex resumed>)        = 0
[pid  1061] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1060] <... futex resumed>)        = 1
[pid  1059] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1062] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1063] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1062] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1061] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1060] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1059] <... futex resumed>)        = 0
[pid  1063] <... futex resumed>)        = 1
[pid  1062] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1059] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1064 attached
 <unfinished ...>
[pid  1063] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1062] <... futex resumed>)        = 1
[pid  1060] <... futex resumed>)        = 0
[pid  1059] <... futex resumed>)        = 0
[pid  1064] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1063] <... openat resumed>)       = 3
[pid  1062] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1060] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1059] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1064] <... set_robust_list resumed>) = 0
[pid  1063] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1062] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1059] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1064] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1063] <... futex resumed>)        = 0
[pid  1062] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1059] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1064] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1063] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1062] <... openat resumed>)       = 3
[pid  1059] <... futex resumed>)        = 0
[pid  1064] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1063] <... write resumed>)        = 2
[pid  1059] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1063] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1062] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1061] <... clone3 resumed> => {parent_tid=[1064]}, 88) = 1064
[pid  1063] <... futex resumed>)        = 1
[pid  1062] <... futex resumed>)        = 0
[pid  1061] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1060] <... futex resumed>)        = 0
[pid  1059] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1063] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1062] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1061] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1060] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1059] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1063] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1061] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1060] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1059] <... futex resumed>)        = 0
[pid  1064] <... futex resumed>)        = 0
[pid  1063] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1061] <... futex resumed>)        = 1
[pid  1060] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1059] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1064] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1063] <... openat resumed>)       = 4
[pid  1062] <... futex resumed>)        = 0
[pid  1061] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1060] <... futex resumed>)        = 1
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1064] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1062] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1060] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1064] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1063] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1062] <... write resumed>)        = 2
[pid  1064] <... futex resumed>)        = 1
[pid  1063] <... futex resumed>)        = 1
[pid  1062] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1061] <... futex resumed>)        = 0
[pid  1059] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1064] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1063] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1062] <... futex resumed>)        = 1
[pid  1061] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1060] <... futex resumed>)        = 0
[pid  1059] exit_group(0 <unfinished ...>
[pid  1064] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1062] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1061] <... futex resumed>)        = 0
[pid  1060] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1064] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1063] <... futex resumed>)        = ?
[pid  1062] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1061] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1060] <... futex resumed>)        = 0
[pid  1059] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 1065 attached
[pid  1064] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1063] +++ exited with 0 +++
[pid  1062] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1060] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1059] +++ exited with 0 +++
[pid  1065] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1064] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1062] <... openat resumed>)       = 4
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1065
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1059, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1065] <... set_robust_list resumed>) = 0
[pid  1061] <... futex resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1064] <... futex resumed>)        = 1
[pid  1062] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1061] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1064] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1062] <... futex resumed>)        = 1
[pid  1061] <... futex resumed>)        = 0
[pid  1060] <... futex resumed>)        = 0
[pid  1064] <... openat resumed>)       = 3
[pid  1062] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1061] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1065] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1064] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1061] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1060] exit_group(0 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1065] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1064] <... futex resumed>)        = 0
[pid  1062] <... futex resumed>)        = ?
[pid  1061] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1060] <... exit_group resumed>)   = ?
[pid  1065] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1064] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1062] +++ exited with 0 +++
[pid  1061] <... futex resumed>)        = 0
[pid  1064] <... write resumed>)        = 2
[pid  1061] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1064] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1061] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1064] <... futex resumed>)        = 0
[pid  1061] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1064] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1061] <... futex resumed>)        = 0
[pid  1064] <... openat resumed>)       = 4
[pid  1061] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1064] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1061] <... futex resumed>)        = 0
[pid  1064] <... futex resumed>)        = 1
[pid  1061] exit_group(0 <unfinished ...>
[pid  1060] +++ exited with 0 +++
[pid  1065] <... prctl resumed>)        = 0
[pid  1065] setpgid(0, 0 <unfinished ...>
[pid  1061] <... exit_group resumed>)   = ?
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1060, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1065] <... setpgid resumed>)      = 0
[pid  1064] +++ exited with 0 +++
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1061] +++ exited with 0 +++
[pid  1065] <... openat resumed>)       = 3
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1061, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1065] write(3, "1000", 4)         = 4
[pid  1065] close(3)                    = 0
[pid  1065] write(1, "executing program\n", 18) = 18
executing program
[pid  1065] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1065] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1065] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1065] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1065] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1066 attached
 => {parent_tid=[1066]}, 88) = 1066
[pid  1066] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  1065] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1065] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1065] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1066] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1066] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  1066] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1065] <... futex resumed>)        = 0
[pid  1066] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1065] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1066] <... futex resumed>)        = 0
[pid  1065] <... futex resumed>)        = 1
[pid  1065] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1066] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1066] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   312] <... restart_syscall resumed>) = 0
[pid  1066] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1066] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1065] <... futex resumed>)        = 0
[pid  1066] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1065] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1066] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1065] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1066] <... openat resumed>)       = 3
[pid  1065] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1066] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1065] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1066] <... futex resumed>)        = 0
[pid  1065] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1067 attached
 <unfinished ...>
[pid  1066] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1065] <... futex resumed>)        = 0
[pid  1066] <... write resumed>)        = 2
[pid  1065] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1067
[pid  1066] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1065] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1066] <... futex resumed>)        = 0
[pid  1065] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1066] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1065] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1068 attached
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1068
[pid  1068] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1067] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1066] <... openat resumed>)       = 4
[pid  1065] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1068] <... set_robust_list resumed>) = 0
[pid  1067] <... set_robust_list resumed>) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1068] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1068] setpgid(0, 0)               = 0
[pid  1068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1068] <... openat resumed>)       = 3
[pid  1067] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1066] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1068] write(3, "1000", 4 <unfinished ...>
[pid  1066] <... futex resumed>)        = 1
[pid  1065] <... futex resumed>)        = 0
[pid  1068] <... write resumed>)        = 4
[pid  1068] close(3 <unfinished ...>
[pid  1065] exit_group(0 <unfinished ...>
[pid  1067] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1065] <... exit_group resumed>)   = ?
[pid  1068] <... close resumed>)        = 0
[pid  1066] +++ exited with 0 +++
[pid  1068] write(1, "executing program\n", 18) = 18
[pid  1068] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1068] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1068] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1068] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1065] +++ exited with 0 +++
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1067] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1065, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
executing program
[pid  1068] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1068] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1069 attached
 <unfinished ...>
[pid  1069] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1068] <... clone3 resumed> => {parent_tid=[1069]}, 88) = 1069
[pid  1069] <... set_robust_list resumed>) = 0
[pid  1068] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1069] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1068] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1069] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1068] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1069] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1068] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1070 attached
[pid  1067] <... prctl resumed>)        = 0
[pid  1069] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1068] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1067] setpgid(0, 0 <unfinished ...>
[pid  1069] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1067] <... setpgid resumed>)      = 0
[pid  1070] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1069] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1070] <... set_robust_list resumed>) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1070
[pid  1069] <... futex resumed>)        = 1
[pid  1068] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1069] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1068] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1069] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1068] <... futex resumed>)        = 0
[pid  1069] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1068] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1069] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1069] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1071 attached
) = 1
[pid  1070] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1071] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1069] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1068] <... futex resumed>)        = 0
[pid  1067] <... openat resumed>)       = 3
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1071] <... set_robust_list resumed>) = 0
[pid  1068] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1071] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1070] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1069] <... futex resumed>)        = 0
[pid  1068] <... futex resumed>)        = 1
[pid  1067] write(3, "1000", 4 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1071
[pid  1069] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1070] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1070] <... prctl resumed>)        = 0
[pid  1067] <... write resumed>)        = 4
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1070] setpgid(0, 0 <unfinished ...>
[pid  1067] close(3 <unfinished ...>
[pid  1070] <... setpgid resumed>)      = 0
[pid  1067] <... close resumed>)        = 0
[pid  1071] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1069] <... openat resumed>)       = 3
[pid  1068] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1067] write(1, "executing program\n", 18 <unfinished ...>
[pid  1071] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1070] <... openat resumed>)       = 3
executing program
[pid  1069] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1068] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1067] <... write resumed>)        = 18
[pid  1071] <... prctl resumed>)        = 0
[pid  1070] write(3, "1000", 4 <unfinished ...>
[pid  1069] <... futex resumed>)        = 0
[pid  1068] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1071] setpgid(0, 0 <unfinished ...>
[pid  1070] <... write resumed>)        = 4
[pid  1069] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1068] <... futex resumed>)        = 0
[pid  1067] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1071] <... setpgid resumed>)      = 0
[pid  1070] close(3 <unfinished ...>
[pid  1069] <... write resumed>)        = 2
[pid  1068] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1067] <... futex resumed>)        = 0
[pid  1071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1069] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1068] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1071] <... openat resumed>)       = 3
[pid  1069] <... futex resumed>)        = 0
[pid  1068] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1069] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1068] <... futex resumed>)        = 0
[pid  1071] write(3, "1000", 4 <unfinished ...>
[pid  1070] <... close resumed>)        = 0
[pid  1069] <... openat resumed>)       = 4
[pid  1068] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1067] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1071] <... write resumed>)        = 4
[pid  1070] write(1, "executing program\n", 18 <unfinished ...>
[pid  1069] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1068] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1067] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1071] close(3 <unfinished ...>
[pid  1070] <... write resumed>)        = 18
executing program
[pid  1069] <... futex resumed>)        = 0
[pid  1068] exit_group(0 <unfinished ...>
[pid  1071] <... close resumed>)        = 0
[pid  1070] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1068] <... exit_group resumed>)   = ?
[pid  1067] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1071] write(1, "executing program\n", 18 <unfinished ...>
[pid  1070] <... futex resumed>)        = 0
[pid  1069] +++ exited with 0 +++
[pid  1068] +++ exited with 0 +++
[pid  1067] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  1071] <... write resumed>)        = 18
[pid  1070] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1068, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1071] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1071] <... futex resumed>)        = 0
[pid  1071] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1070] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1067] <... mmap resumed>)         = 0x7fb4de009000
[pid  1071] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1070] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1067] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1070] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1071] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1070] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1067] <... mprotect resumed>)     = 0
[pid  1071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1071] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1070] <... mmap resumed>)         = 0x7fb4de009000
[pid  1071] <... mprotect resumed>)     = 0
[pid  1070] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1067] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1070] <... mprotect resumed>)     = 0
[pid  1067] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1071] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1070] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1067] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1071] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1071] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1072 attached
 <unfinished ...>
[pid  1072] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1071] <... clone3 resumed> => {parent_tid=[1072]}, 88) = 1072
[pid  1070] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1070] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1073 attached
 <unfinished ...>
[pid  1072] <... set_robust_list resumed>) = 0
[pid  1071] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1073] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1072] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1071] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1067] <... clone3 resumed> => {parent_tid=[1073]}, 88) = 1073
ci2-android-6-12-rust/strace-static-x86_64: Process 1074 attached
[pid  1073] <... set_robust_list resumed>) = 0
[pid  1072] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1071] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1067] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1074] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1073] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1072] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1071] <... futex resumed>)        = 0
[pid  1070] <... clone3 resumed> => {parent_tid=[1074]}, 88) = 1074
[pid  1067] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1074] <... set_robust_list resumed>) = 0
[pid  1073] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1072] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1071] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1070] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1067] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1074] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1073] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1072] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1070] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1067] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1075 attached
 <unfinished ...>
[pid  1074] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1073] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1072] <... futex resumed>)        = 1
[pid  1071] <... futex resumed>)        = 0
[pid  1070] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1067] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1074] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1073] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1072] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1071] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1067] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1075] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1070] <... futex resumed>)        = 0
[pid  1067] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1075] <... set_robust_list resumed>) = 0
[pid  1070] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1067] <... futex resumed>)        = 0
[pid  1075] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1074] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1073] <... futex resumed>)        = 0
[pid  1072] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1071] <... futex resumed>)        = 0
[pid  1067] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1075
[pid  1075] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1074] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1073] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1072] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1071] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1075] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1074] <... futex resumed>)        = 1
[pid  1073] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1072] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1070] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1075] <... prctl resumed>)        = 0
[pid  1074] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1073] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1075] setpgid(0, 0 <unfinished ...>
[pid  1074] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1073] <... futex resumed>)        = 1
[pid  1072] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1070] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1067] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1075] <... setpgid resumed>)      = 0
[pid  1074] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1073] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1072] <... futex resumed>)        = 1
[pid  1071] <... futex resumed>)        = 0
[pid  1070] <... futex resumed>)        = 0
[pid  1067] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1074] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1073] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1071] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1070] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1067] <... futex resumed>)        = 0
[pid  1075] <... openat resumed>)       = 3
[pid  1074] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1073] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1072] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1071] <... futex resumed>)        = 0
[pid  1075] write(3, "1000", 4 <unfinished ...>
[pid  1074] <... futex resumed>)        = 0
[pid  1073] <... openat resumed>)       = 3
[pid  1072] <... openat resumed>)       = 3
[pid  1071] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1070] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1067] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1075] <... write resumed>)        = 4
[pid  1074] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1073] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1072] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1071] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1070] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1067] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1075] close(3 <unfinished ...>
[pid  1074] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1073] <... futex resumed>)        = 0
[pid  1072] <... futex resumed>)        = 0
[pid  1071] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1070] <... futex resumed>)        = 0
[pid  1067] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1075] <... close resumed>)        = 0
[pid  1074] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1073] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1072] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1071] <... futex resumed>)        = 0
[pid  1075] write(1, "executing program\n", 18 <unfinished ...>
[pid  1070] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1067] <... futex resumed>)        = 0
[pid  1075] <... write resumed>)        = 18
executing program
[pid  1067] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1075] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1074] <... openat resumed>)       = 3
[pid  1073] <... write resumed>)        = 2
[pid  1072] <... write resumed>)        = 2
[pid  1071] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1075] <... futex resumed>)        = 0
[pid  1074] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1073] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1072] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1071] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1075] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1074] <... futex resumed>)        = 1
[pid  1073] <... futex resumed>)        = 1
[pid  1072] <... futex resumed>)        = 0
[pid  1071] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1070] <... futex resumed>)        = 0
[pid  1067] <... futex resumed>)        = 0
[pid  1075] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1074] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1073] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1072] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1071] <... futex resumed>)        = 0
[pid  1070] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1075] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1074] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1073] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1072] <... openat resumed>)       = 4
[pid  1071] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1067] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1075] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1074] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1073] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1072] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1071] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1070] <... futex resumed>)        = 0
[pid  1075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1074] <... write resumed>)        = 2
[pid  1073] <... openat resumed>)       = 4
[pid  1072] <... futex resumed>)        = 0
[pid  1071] exit_group(0 <unfinished ...>
[pid  1067] <... futex resumed>)        = 0
[pid  1075] <... mmap resumed>)         = 0x7fb4de009000
[pid  1074] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1072] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1070] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1075] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1074] <... futex resumed>)        = 0
[pid  1073] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1072] <... futex resumed>)        = ?
[pid  1071] <... exit_group resumed>)   = ?
[pid  1067] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1075] <... mprotect resumed>)     = 0
[pid  1074] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1073] <... futex resumed>)        = 0
[pid  1072] +++ exited with 0 +++
[pid  1071] +++ exited with 0 +++
[pid  1070] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1067] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1075] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1073] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1075] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1070] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1067] exit_group(0 <unfinished ...>
[pid  1075] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1071, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1074] <... futex resumed>)        = 0
[pid  1073] <... futex resumed>)        = ?
[pid  1070] <... futex resumed>)        = 1
[pid  1067] <... exit_group resumed>)   = ?
[pid  1074] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1073] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 1076 attached
[pid  1074] <... openat resumed>)       = 4
[pid  1070] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1074] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1074] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1067] +++ exited with 0 +++
[pid  1076] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1070] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1076] <... set_robust_list resumed>) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1067, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1076] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1075] <... clone3 resumed> => {parent_tid=[1076]}, 88) = 1076
[pid  1070] exit_group(0 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1076] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1075] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1070] <... exit_group resumed>)   = ?
[pid  1076] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1075] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1074] <... futex resumed>)        = ?
[pid  1076] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1075] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1076] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1075] <... futex resumed>)        = 0
[pid  1074] +++ exited with 0 +++
[pid  1070] +++ exited with 0 +++
[pid  1076] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1075] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1070, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1076] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1075] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1076] <... futex resumed>)        = 0
[pid  1075] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1076] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1076] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1075] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1076] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1075] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1075] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1075] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1075] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1077 attached
 <unfinished ...>
[pid  1076] <... futex resumed>)        = 1
[pid  1075] <... futex resumed>)        = 0
[pid  1075] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1077
ci2-android-6-12-rust/strace-static-x86_64: Process 1078 attached
[pid  1076] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1077] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1078] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1077] <... set_robust_list resumed>) = 0
[pid  1076] <... openat resumed>)       = 3
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1078] <... set_robust_list resumed>) = 0
[pid  1077] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1076] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1078
[pid  1078] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1077] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1076] <... futex resumed>)        = 1
[pid  1075] <... futex resumed>)        = 0
[pid  1078] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1076] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1075] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1077] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1078] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1077] <... prctl resumed>)        = 0
[pid  1076] <... write resumed>)        = 2
[pid  1075] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1078] <... prctl resumed>)        = 0
[pid  1077] setpgid(0, 0 <unfinished ...>
[pid  1076] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1075] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1078] setpgid(0, 0 <unfinished ...>
[pid  1077] <... setpgid resumed>)      = 0
[pid  1076] <... futex resumed>)        = 0
[pid  1075] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1078] <... setpgid resumed>)      = 0
[pid  1077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1076] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1075] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1075] <... futex resumed>)        = 0
[pid  1078] <... openat resumed>)       = 3
[pid  1077] <... openat resumed>)       = 3
[pid  1075] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1076] <... openat resumed>)       = 4
[pid  1078] write(3, "1000", 4 <unfinished ...>
[pid  1077] write(3, "1000", 4 <unfinished ...>
[pid  1078] <... write resumed>)        = 4
[pid  1076] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1078] close(3 <unfinished ...>
[pid  1077] <... write resumed>)        = 4
[pid  1076] <... futex resumed>)        = 1
[pid  1078] <... close resumed>)        = 0
[pid  1077] close(3 <unfinished ...>
[pid  1076] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1078] write(1, "executing program\n", 18 <unfinished ...>
[pid  1077] <... close resumed>)        = 0
[pid  1078] <... write resumed>)        = 18
[pid  1077] write(1, "executing program\n", 18 <unfinished ...>
[pid  1078] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1077] <... write resumed>)        = 18
[pid  1078] <... futex resumed>)        = 0
executing program
executing program
[pid  1078] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1077] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1075] <... futex resumed>)        = 0
[pid  1078] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1077] <... futex resumed>)        = 0
[pid  1075] exit_group(0 <unfinished ...>
[pid  1078] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1077] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1076] <... futex resumed>)        = ?
[pid  1075] <... exit_group resumed>)   = ?
[pid  1078] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1077] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1078] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1077] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1076] +++ exited with 0 +++
[pid  1075] +++ exited with 0 +++
[pid  1078] <... mprotect resumed>)     = 0
[pid  1077] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1075, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1078] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1077] <... mmap resumed>)         = 0x7fb4de009000
[pid  1078] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1077] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1078] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1077] <... mprotect resumed>)     = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1079 attached
[pid  1079] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1077] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1079] <... set_robust_list resumed>) = 0
[pid  1077] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1079] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1077] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1079] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1080 attached
[pid  1079] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1078] <... clone3 resumed> => {parent_tid=[1079]}, 88) = 1079
[pid  1080] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1078] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1080] <... set_robust_list resumed>) = 0
[pid  1078] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1077] <... clone3 resumed> => {parent_tid=[1080]}, 88) = 1080
[pid  1080] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1078] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1080] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1079] <... futex resumed>)        = 0
[pid  1078] <... futex resumed>)        = 1
[pid  1077] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1080] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1079] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1078] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1077] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1079] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1077] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1079] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1080] <... futex resumed>)        = 0
[pid  1077] <... futex resumed>)        = 1
[pid  1079] <... futex resumed>)        = 0
[pid  1080] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1079] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1078] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1077] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1080] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1078] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1080] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1079] <... futex resumed>)        = 0
[pid  1078] <... futex resumed>)        = 1
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1080] <... futex resumed>)        = 1
[pid  1079] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1078] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1077] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1080] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1079] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1077] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1080] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1079] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1077] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1081 attached
 <unfinished ...>
[pid  1080] mount(NULL, "./tracefs_dir", "tracefs", 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 1082 attached
 <unfinished ...>
[pid  1081] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1080] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1079] <... futex resumed>)        = 1
[pid  1078] <... futex resumed>)        = 0
[pid  1077] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1081] <... set_robust_list resumed>) = 0
[pid  1080] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1079] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1077] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1081
[pid  1082] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1081] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1080] <... futex resumed>)        = 0
[pid  1082] <... set_robust_list resumed>) = 0
[pid  1081] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1077] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1080] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1082] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1081] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1077] <... futex resumed>)        = 0
[pid  1082] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1081] <... prctl resumed>)        = 0
[pid  1080] <... openat resumed>)       = 3
[pid  1078] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1077] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1082
[pid  1082] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1081] setpgid(0, 0 <unfinished ...>
[pid  1080] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1079] <... futex resumed>)        = 0
[pid  1078] <... futex resumed>)        = 1
[pid  1077] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1082] <... prctl resumed>)        = 0
[pid  1081] <... setpgid resumed>)      = 0
[pid  1080] <... futex resumed>)        = 0
[pid  1079] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1078] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1077] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1082] setpgid(0, 0 <unfinished ...>
[pid  1081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1080] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1079] <... openat resumed>)       = 3
[pid  1077] <... futex resumed>)        = 0
[pid  1082] <... setpgid resumed>)      = 0
[pid  1080] <... write resumed>)        = 2
[pid  1082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1081] <... openat resumed>)       = 3
[pid  1080] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1079] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1077] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1082] <... openat resumed>)       = 3
[pid  1080] <... futex resumed>)        = 0
[pid  1079] <... futex resumed>)        = 1
[pid  1078] <... futex resumed>)        = 0
[pid  1081] write(3, "1000", 4 <unfinished ...>
[pid  1077] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1082] write(3, "1000", 4 <unfinished ...>
[pid  1080] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1079] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1078] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1077] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1081] <... write resumed>)        = 4
[pid  1082] <... write resumed>)        = 4
[pid  1080] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1081] close(3 <unfinished ...>
[pid  1079] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1078] <... futex resumed>)        = 0
[pid  1077] <... futex resumed>)        = 0
[pid  1082] close(3 <unfinished ...>
[pid  1081] <... close resumed>)        = 0
[pid  1080] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1079] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1078] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1082] <... close resumed>)        = 0
[pid  1081] write(1, "executing program\n", 18 <unfinished ...>
[pid  1080] <... openat resumed>)       = 4
[pid  1079] <... write resumed>)        = 2
[pid  1077] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1082] write(1, "executing program\n", 18) = 18
[pid  1081] <... write resumed>)        = 18
[pid  1080] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1079] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1082] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1081] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1077] <... futex resumed>)        = 0
[pid  1082] <... futex resumed>)        = 0
[pid  1081] <... futex resumed>)        = 0
[pid  1080] <... futex resumed>)        = 1
[pid  1079] <... futex resumed>)        = 1
[pid  1078] <... futex resumed>)        = 0
executing program
executing program
[pid  1082] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1081] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1080] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1079] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1078] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1077] exit_group(0 <unfinished ...>
[pid  1082] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1081] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1079] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1078] <... futex resumed>)        = 0
[pid  1082] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1081] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1080] <... futex resumed>)        = ?
[pid  1079] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1078] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1077] <... exit_group resumed>)   = ?
[pid  1082] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1081] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1080] +++ exited with 0 +++
[pid  1079] <... openat resumed>)       = 4
[pid  1082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1082] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1082] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1077] +++ exited with 0 +++
[pid  1081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1079] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1077, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1082] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1081] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1079] <... futex resumed>)        = 1
[pid  1078] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1082] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1081] <... mprotect resumed>)     = 0
[pid  1078] exit_group(0 <unfinished ...>
[pid  1079] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 1083 attached
 <unfinished ...>
[pid  1081] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1079] <... futex resumed>)        = ?
[pid  1078] <... exit_group resumed>)   = ?
[pid  1083] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1081] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1083] <... set_robust_list resumed>) = 0
[pid  1082] <... clone3 resumed> => {parent_tid=[1083]}, 88) = 1083
[pid  1081] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1083] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1084 attached
, NULL, 8) = 0
[pid  1082] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1083] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1082] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1083] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1082] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1084] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  1083] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1082] <... futex resumed>)        = 0
[pid  1081] <... clone3 resumed> => {parent_tid=[1084]}, 88) = 1084
[pid  1084] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1082] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1081] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1084] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1083] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1084] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1083] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1081] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1079] +++ exited with 0 +++
[pid  1078] +++ exited with 0 +++
[pid  1083] <... futex resumed>)        = 1
[pid  1082] <... futex resumed>)        = 0
[pid  1081] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1083] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1082] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1081] <... futex resumed>)        = 1
[pid  1084] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1078, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1083] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1081] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1084] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1083] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1084] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1082] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1084] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1083] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1082] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1084] <... futex resumed>)        = 1
[pid  1083] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1082] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1081] <... futex resumed>)        = 0
[pid  1084] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1083] <... futex resumed>)        = 0
[pid  1082] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1081] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1084] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1083] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1082] <... futex resumed>)        = 0
[pid  1081] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1084] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1083] <... openat resumed>)       = 3
[pid  1082] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1081] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1085 attached
 <unfinished ...>
[pid  1084] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1083] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1085] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1084] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1083] <... futex resumed>)        = 1
[pid  1082] <... futex resumed>)        = 0
[pid  1085] <... set_robust_list resumed>) = 0
[pid  1084] <... futex resumed>)        = 1
[pid  1083] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1082] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1081] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1085
[pid  1085] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1084] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1083] <... write resumed>)        = 2
[pid  1082] <... futex resumed>)        = 0
[pid  1081] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1085] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1084] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1083] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1082] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1081] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1085] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1084] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1083] <... futex resumed>)        = 0
[pid  1082] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1081] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1085] <... prctl resumed>)        = 0
[pid  1084] <... openat resumed>)       = 3
[pid  1083] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1085] setpgid(0, 0 <unfinished ...>
[pid  1084] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1082] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1082] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1086 attached
 <unfinished ...>
[pid  1085] <... setpgid resumed>)      = 0
[pid  1084] <... futex resumed>)        = 1
[pid  1083] <... futex resumed>)        = 0
[pid  1081] <... futex resumed>)        = 0
[pid  1084] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1086] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1083] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1081] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1086
[pid  1086] <... set_robust_list resumed>) = 0
[pid  1083] <... openat resumed>)       = 4
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1081] <... futex resumed>)        = 1
[pid  1086] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1085] <... openat resumed>)       = 3
[pid  1084] <... futex resumed>)        = 0
[pid  1083] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1081] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1086] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1085] write(3, "1000", 4 <unfinished ...>
[pid  1084] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1083] <... futex resumed>)        = 1
[pid  1082] <... futex resumed>)        = 0
[pid  1086] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1085] <... write resumed>)        = 4
[pid  1084] <... write resumed>)        = 2
[pid  1083] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1082] exit_group(0 <unfinished ...>
[pid  1086] <... prctl resumed>)        = 0
[pid  1085] close(3 <unfinished ...>
[pid  1084] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1083] <... futex resumed>)        = ?
[pid  1082] <... exit_group resumed>)   = ?
[pid  1086] setpgid(0, 0 <unfinished ...>
[pid  1085] <... close resumed>)        = 0
[pid  1084] <... futex resumed>)        = 1
[pid  1083] +++ exited with 0 +++
[pid  1082] +++ exited with 0 +++
[pid  1081] <... futex resumed>)        = 0
[pid  1086] <... setpgid resumed>)      = 0
[pid  1085] write(1, "executing program\n", 18 <unfinished ...>
[pid  1084] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1081] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1082, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  1086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1085] <... write resumed>)        = 18
[pid  1084] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1081] <... futex resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
executing program
[pid  1085] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1084] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1081] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1086] <... openat resumed>)       = 3
[pid  1085] <... futex resumed>)        = 0
[pid  1086] write(3, "1000", 4 <unfinished ...>
[pid  1085] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1084] <... openat resumed>)       = 4
[pid  1086] <... write resumed>)        = 4
[pid  1085] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1084] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1085] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1086] close(3 <unfinished ...>
[pid  1084] <... futex resumed>)        = 1
[pid  1085] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1084] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1086] <... close resumed>)        = 0
[pid  1085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1086] write(1, "executing program\n", 18) = 18
[pid  1085] <... mmap resumed>)         = 0x7fb4de009000
executing program
[pid  1081] <... futex resumed>)        = 0
[pid  1086] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1081] exit_group(0 <unfinished ...>
[pid  1086] <... futex resumed>)        = 0
[pid  1085] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1084] <... futex resumed>)        = ?
[pid  1081] <... exit_group resumed>)   = ?
[pid  1086] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1085] <... mprotect resumed>)     = 0
[pid  1086] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1086] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1085] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1084] +++ exited with 0 +++
[pid  1081] +++ exited with 0 +++
[pid  1086] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1085] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1086] <... mprotect resumed>)     = 0
[pid  1085] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1081, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 1087 attached
[pid  1086] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1087] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1085] <... clone3 resumed> => {parent_tid=[1087]}, 88) = 1087
[pid   315] <... restart_syscall resumed>) = 0
[pid  1087] <... set_robust_list resumed>) = 0
[pid  1085] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1087] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1085] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1087] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1087] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1086] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1085] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1087] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1086] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1088 attached
 <unfinished ...>
[pid  1087] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1085] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1088] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1086] <... clone3 resumed> => {parent_tid=[1088]}, 88) = 1088
[pid   312] <... restart_syscall resumed>) = 0
[pid  1088] <... set_robust_list resumed>) = 0
[pid  1087] <... futex resumed>)        = 0
[pid  1086] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1085] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1088] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1087] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1086] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1085] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1088] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1086] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1085] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1086] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1089 attached
[pid  1086] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1089] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1088] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1087] <... futex resumed>)        = 0
[pid  1085] <... futex resumed>)        = 1
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1090 attached
 <unfinished ...>
[pid  1089] <... set_robust_list resumed>) = 0
[pid  1088] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1087] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1085] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1089
[pid  1090] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1088] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1087] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1090] <... set_robust_list resumed>) = 0
[pid  1089] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1088] <... futex resumed>)        = 1
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1090] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1089] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1088] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1087] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1086] <... futex resumed>)        = 0
[pid  1090] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1089] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1088] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1087] <... futex resumed>)        = 1
[pid  1086] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1085] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1090
[pid  1090] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1089] <... prctl resumed>)        = 0
[pid  1088] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1087] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1086] <... futex resumed>)        = 0
[pid  1085] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1090] <... prctl resumed>)        = 0
[pid  1089] setpgid(0, 0 <unfinished ...>
[pid  1088] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1087] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1086] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1085] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1090] setpgid(0, 0 <unfinished ...>
[pid  1089] <... setpgid resumed>)      = 0
[pid  1088] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1087] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1086] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1085] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1090] <... setpgid resumed>)      = 0
[pid  1089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1088] <... futex resumed>)        = 0
[pid  1087] <... openat resumed>)       = 3
[pid  1086] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1088] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1087] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1086] <... futex resumed>)        = 0
[pid  1089] <... openat resumed>)       = 3
[pid  1086] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1088] <... openat resumed>)       = 3
[pid  1090] <... openat resumed>)       = 3
[pid  1089] write(3, "1000", 4 <unfinished ...>
[pid  1087] <... futex resumed>)        = 1
[pid  1085] <... futex resumed>)        = 0
[pid  1088] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1090] write(3, "1000", 4 <unfinished ...>
[pid  1089] <... write resumed>)        = 4
[pid  1087] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1085] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1088] <... futex resumed>)        = 1
[pid  1090] <... write resumed>)        = 4
[pid  1089] close(3 <unfinished ...>
[pid  1087] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1088] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1085] <... futex resumed>)        = 0
[pid  1090] close(3 <unfinished ...>
[pid  1089] <... close resumed>)        = 0
[pid  1087] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1085] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1090] <... close resumed>)        = 0
[pid  1089] write(1, "executing program\n", 18 <unfinished ...>
[pid  1087] <... write resumed>)        = 2
[pid  1090] write(1, "executing program\n", 18 <unfinished ...>
[pid  1089] <... write resumed>)        = 18
[pid  1090] <... write resumed>)        = 18
[pid  1087] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1089] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1090] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1087] <... futex resumed>)        = 1
[pid  1090] <... futex resumed>)        = 0
[pid  1089] <... futex resumed>)        = 0
[pid  1085] <... futex resumed>)        = 0
[pid  1087] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1090] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1089] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1085] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1087] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1090] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1089] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1085] <... futex resumed>)        = 0
[pid  1090] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1089] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1087] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1085] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1090] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1089] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
executing program
[pid  1090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1087] <... openat resumed>)       = 4
[pid  1086] <... futex resumed>)        = 0
[pid  1090] <... mmap resumed>)         = 0x7fb4de009000
[pid  1089] <... mmap resumed>)         = 0x7fb4de009000
[pid  1087] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1086] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1090] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1089] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1088] <... futex resumed>)        = 0
[pid  1087] <... futex resumed>)        = 1
[pid  1086] <... futex resumed>)        = 1
[pid  1085] <... futex resumed>)        = 0
[pid  1090] <... mprotect resumed>)     = 0
[pid  1089] <... mprotect resumed>)     = 0
[pid  1088] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1087] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1086] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1090] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1089] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1088] <... write resumed>)        = 2
[pid  1085] exit_group(0 <unfinished ...>
[pid  1090] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1089] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1088] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1090] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1089] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1088] <... futex resumed>)        = 1
[pid  1087] <... futex resumed>)        = ?
[pid  1086] <... futex resumed>)        = 0
[pid  1085] <... exit_group resumed>)   = ?
[pid  1088] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1086] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1091 attached
 <unfinished ...>
[pid  1088] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1086] <... futex resumed>)        = 0
[pid  1088] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1087] +++ exited with 0 +++
[pid  1086] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1092 attached
 <unfinished ...>
[pid  1088] <... openat resumed>)       = 4
[pid  1092] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1088] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1092] <... set_robust_list resumed>) = 0
[pid  1088] <... futex resumed>)        = 1
[pid  1086] <... futex resumed>)        = 0
[pid  1085] +++ exited with 0 +++
[pid  1091] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1090] <... clone3 resumed> => {parent_tid=[1092]}, 88) = 1092
[pid  1092] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1091] <... set_robust_list resumed>) = 0
[pid  1090] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1089] <... clone3 resumed> => {parent_tid=[1091]}, 88) = 1091
[pid  1088] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1086] exit_group(0 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1085, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1092] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1091] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1090] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1089] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1088] <... futex resumed>)        = ?
[pid  1086] <... exit_group resumed>)   = ?
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1092] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1091] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1090] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1089] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1088] +++ exited with 0 +++
[pid  1086] +++ exited with 0 +++
[pid  1092] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1091] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1090] <... futex resumed>)        = 0
[pid  1089] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1092] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1091] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1090] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1089] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1086, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1092] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1091] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1089] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1091] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1091] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1092] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1091] <... futex resumed>)        = 1
[pid  1089] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1092] <... futex resumed>)        = 1
[pid  1091] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1090] <... futex resumed>)        = 0
[pid  1089] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1092] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1091] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1090] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1089] <... futex resumed>)        = 0
[pid  1092] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1091] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1090] <... futex resumed>)        = 0
[pid  1089] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1092] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  1091] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1090] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1092] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1091] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1090] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1093 attached
 <unfinished ...>
[pid  1092] <... futex resumed>)        = 0
[pid  1091] <... futex resumed>)        = 1
[pid  1090] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1089] <... futex resumed>)        = 0
[pid  1093] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1092] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1091] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1090] <... futex resumed>)        = 0
[pid  1089] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1093] <... set_robust_list resumed>) = 0
[pid  1091] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1090] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1089] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1093] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1091] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1089] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1093] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1091] <... openat resumed>)       = 3
[pid  1092] <... openat resumed>)       = 3
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1093
ci2-android-6-12-rust/strace-static-x86_64: Process 1094 attached
[pid  1092] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1094] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1093] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1092] <... futex resumed>)        = 1
[pid  1091] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1090] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1094] <... set_robust_list resumed>) = 0
[pid  1093] <... prctl resumed>)        = 0
[pid  1092] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1091] <... futex resumed>)        = 1
[pid  1090] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1089] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1094
[pid  1094] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1093] setpgid(0, 0 <unfinished ...>
[pid  1092] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1091] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1090] <... futex resumed>)        = 0
[pid  1089] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1094] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1093] <... setpgid resumed>)      = 0
[pid  1092] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1091] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1090] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1089] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1094] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1092] <... write resumed>)        = 2
[pid  1094] <... prctl resumed>)        = 0
[pid  1092] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1091] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1089] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1094] setpgid(0, 0 <unfinished ...>
[pid  1093] <... openat resumed>)       = 3
[pid  1092] <... futex resumed>)        = 0
[pid  1091] <... write resumed>)        = 2
[pid  1090] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1094] <... setpgid resumed>)      = 0
[pid  1093] write(3, "1000", 4 <unfinished ...>
[pid  1092] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1091] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1090] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1093] <... write resumed>)        = 4
[pid  1092] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1091] <... futex resumed>)        = 1
[pid  1090] <... futex resumed>)        = 0
[pid  1089] <... futex resumed>)        = 0
[pid  1094] <... openat resumed>)       = 3
[pid  1093] close(3 <unfinished ...>
[pid  1092] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1091] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1090] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1094] write(3, "1000", 4 <unfinished ...>
[pid  1093] <... close resumed>)        = 0
[pid  1092] <... openat resumed>)       = 4
[pid  1091] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1089] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1094] <... write resumed>)        = 4
[pid  1093] write(1, "executing program\n", 18 <unfinished ...>
[pid  1092] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1094] close(3 <unfinished ...>
[pid  1093] <... write resumed>)        = 18
[pid  1091] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1089] <... futex resumed>)        = 0
[pid  1094] <... close resumed>)        = 0
executing program
[pid  1093] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1092] <... futex resumed>)        = 1
[pid  1091] <... openat resumed>)       = 4
[pid  1090] <... futex resumed>)        = 0
[pid  1089] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1094] write(1, "executing program\n", 18 <unfinished ...>
[pid  1093] <... futex resumed>)        = 0
[pid  1092] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1091] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1090] exit_group(0 <unfinished ...>
[pid  1094] <... write resumed>)        = 18
[pid  1089] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1093] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1091] <... futex resumed>)        = 0
[pid  1094] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1093] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1089] exit_group(0 <unfinished ...>
[pid  1091] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1094] <... futex resumed>)        = 0
[pid  1093] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1094] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1091] <... futex resumed>)        = ?
[pid  1089] <... exit_group resumed>)   = ?
[pid  1093] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1094] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1091] +++ exited with 0 +++
executing program
[pid  1092] <... futex resumed>)        = ?
[pid  1090] <... exit_group resumed>)   = ?
[pid  1094] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1092] +++ exited with 0 +++
[pid  1090] +++ exited with 0 +++
[pid  1089] +++ exited with 0 +++
[pid  1094] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1093] <... mmap resumed>)         = 0x7fb4de009000
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1090, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1094] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1093] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1089, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1094] <... mmap resumed>)         = 0x7fb4de009000
[pid  1093] <... mprotect resumed>)     = 0
[pid  1094] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1094] <... mprotect resumed>)     = 0
[pid  1093] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1093] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1094] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1094] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1095 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1096 attached
 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1095] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1096] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1095] <... set_robust_list resumed>) = 0
[pid  1094] <... clone3 resumed> => {parent_tid=[1095]}, 88) = 1095
[pid  1096] <... set_robust_list resumed>) = 0
[pid  1095] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1094] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1096] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1095] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1093] <... clone3 resumed> => {parent_tid=[1096]}, 88) = 1096
[pid  1093] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1097 attached
[pid  1096] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1095] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1094] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1093] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1097] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1096] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1094] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1093] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1097
[pid  1097] <... set_robust_list resumed>) = 0
[pid  1096] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1095] <... futex resumed>)        = 0
[pid  1094] <... futex resumed>)        = 1
[pid  1093] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1097] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1096] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1095] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1094] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1097] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1096] <... futex resumed>)        = 1
[pid  1095] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1093] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1097] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1096] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1095] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1093] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1097] <... prctl resumed>)        = 0
[pid  1096] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1095] <... futex resumed>)        = 1
[pid  1094] <... futex resumed>)        = 0
[pid  1093] <... futex resumed>)        = 0
[pid  1097] setpgid(0, 0 <unfinished ...>
[pid  1096] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1095] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1094] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1093] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1097] <... setpgid resumed>)      = 0
[pid  1096] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1095] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1094] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1096] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1095] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1094] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1097] <... openat resumed>)       = 3
[pid  1096] <... futex resumed>)        = 1
[pid  1095] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1093] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1098 attached
[pid  1097] write(3, "1000", 4 <unfinished ...>
[pid  1096] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1095] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1093] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1098] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1097] <... write resumed>)        = 4
[pid  1096] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1095] <... futex resumed>)        = 1
[pid  1094] <... futex resumed>)        = 0
[pid  1098] <... set_robust_list resumed>) = 0
[pid  1097] close(3 <unfinished ...>
[pid  1096] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1095] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1094] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1098] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1097] <... close resumed>)        = 0
[pid  1096] <... openat resumed>)       = 3
[pid  1098] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1097] write(1, "executing program\n", 18 <unfinished ...>
[pid  1096] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1095] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1094] <... futex resumed>)        = 0
[pid  1097] <... write resumed>)        = 18
[pid  1096] <... futex resumed>)        = 0
[pid  1095] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1094] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1098] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1097] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1096] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1095] <... openat resumed>)       = 3
[pid  1098] <... prctl resumed>)        = 0
[pid  1097] <... futex resumed>)        = 0
[pid  1098] setpgid(0, 0 <unfinished ...>
[pid  1095] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1098] <... setpgid resumed>)      = 0
[pid  1097] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1095] <... futex resumed>)        = 1
[pid  1094] <... futex resumed>)        = 0
[pid  1098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1097] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1094] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1097] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
executing program
[pid  1095] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1098] <... openat resumed>)       = 3
[pid  1097] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1095] <... write resumed>)        = 2
[pid  1094] <... futex resumed>)        = 0
[pid  1096] <... futex resumed>)        = 0
[pid  1093] <... futex resumed>)        = 1
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1098
[pid  1098] write(3, "1000", 4 <unfinished ...>
[pid  1097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1096] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1095] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1094] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1093] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1098] <... write resumed>)        = 4
[pid  1097] <... mmap resumed>)         = 0x7fb4de009000
[pid  1095] <... futex resumed>)        = 0
[pid  1094] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1093] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1098] close(3 <unfinished ...>
[pid  1097] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1095] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1094] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1093] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1098] <... close resumed>)        = 0
[pid  1097] <... mprotect resumed>)     = 0
[pid  1096] <... futex resumed>)        = 0
[pid  1095] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1094] <... futex resumed>)        = 0
[pid  1093] <... futex resumed>)        = 1
[pid  1098] write(1, "executing program\n", 18 <unfinished ...>
[pid  1097] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1096] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1095] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1094] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1093] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1098] <... write resumed>)        = 18
[pid  1097] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1096] <... write resumed>)        = 2
[pid  1095] <... openat resumed>)       = 4
[pid  1098] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1097] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1096] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1098] <... futex resumed>)        = 0
executing program
[pid  1096] <... futex resumed>)        = 1
[pid  1095] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1093] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1099 attached
[pid  1098] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1096] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1095] <... futex resumed>)        = 1
[pid  1094] <... futex resumed>)        = 0
[pid  1093] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1099] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1098] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1097] <... clone3 resumed> => {parent_tid=[1099]}, 88) = 1099
[pid  1096] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1095] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1094] exit_group(0 <unfinished ...>
[pid  1093] <... futex resumed>)        = 0
[pid  1099] <... set_robust_list resumed>) = 0
[pid  1098] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1097] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1096] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1095] <... futex resumed>)        = ?
[pid  1094] <... exit_group resumed>)   = ?
[pid  1093] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1099] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1098] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1097] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1096] <... openat resumed>)       = 4
[pid  1095] +++ exited with 0 +++
[pid  1096] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1093] <... futex resumed>)        = 0
[pid  1093] exit_group(0 <unfinished ...>
[pid  1094] +++ exited with 0 +++
[pid  1099] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1097] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1093] <... exit_group resumed>)   = ?
[pid  1099] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1098] <... mmap resumed>)         = 0x7fb4de009000
[pid  1097] <... futex resumed>)        = 0
[pid  1096] +++ exited with 0 +++
[pid  1093] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1094, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1099] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1098] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1097] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1099] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1099] <... futex resumed>)        = 0
[pid  1098] <... mprotect resumed>)     = 0
[pid  1097] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1099] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  1098] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1097] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1093, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1099] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1098] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1097] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1099] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1098] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1099] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1097] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1100 attached
 <unfinished ...>
[pid  1099] <... futex resumed>)        = 0
[pid  1097] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1100] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1099] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1098] <... clone3 resumed> => {parent_tid=[1100]}, 88) = 1100
[pid  1097] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1100] <... set_robust_list resumed>) = 0
[pid  1099] <... openat resumed>)       = 3
[pid  1098] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1097] <... futex resumed>)        = 0
[pid  1100] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1099] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1098] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1097] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1100] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1099] <... futex resumed>)        = 0
[pid  1098] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1097] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1100] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1099] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1098] <... futex resumed>)        = 0
[pid  1097] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1100] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1099] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1098] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1097] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1101 attached
 <unfinished ...>
[pid  1100] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1099] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1098] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1097] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1101] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1100] <... futex resumed>)        = 0
[pid  1099] <... write resumed>)        = 2
[pid  1098] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1101] <... set_robust_list resumed>) = 0
[pid  1100] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1099] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1098] <... futex resumed>)        = 0
[pid  1101] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1101
[pid  1100] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1101] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1099] <... futex resumed>)        = 1
[pid  1098] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1097] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1101] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1100] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1099] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1098] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1097] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1101] <... prctl resumed>)        = 0
[pid  1100] <... futex resumed>)        = 0
[pid  1099] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1097] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1098] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1101] setpgid(0, 0 <unfinished ...>
[pid  1100] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1099] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1097] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1102 attached
 <unfinished ...>
[pid  1101] <... setpgid resumed>)      = 0
[pid  1100] <... openat resumed>)       = 3
[pid  1099] <... openat resumed>)       = 4
[pid  1098] <... futex resumed>)        = 0
[pid  1102] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1100] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1099] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1098] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1102
[pid  1102] <... set_robust_list resumed>) = 0
[pid  1101] <... openat resumed>)       = 3
[pid  1100] <... futex resumed>)        = 0
[pid  1099] <... futex resumed>)        = 1
[pid  1098] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1097] <... futex resumed>)        = 0
[pid  1102] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1101] write(3, "1000", 4 <unfinished ...>
[pid  1100] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1099] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1098] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1097] exit_group(0 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1102] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1101] <... write resumed>)        = 4
[pid  1100] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1099] <... futex resumed>)        = ?
[pid  1098] <... futex resumed>)        = 0
[pid  1097] <... exit_group resumed>)   = ?
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1102] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1101] close(3 <unfinished ...>
[pid  1098] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1101] <... close resumed>)        = 0
[pid  1100] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1101] write(1, "executing program\n", 18 <unfinished ...>
[pid  1102] <... prctl resumed>)        = 0
[pid  1100] <... write resumed>)        = 2
[pid  1102] setpgid(0, 0 <unfinished ...>
[pid  1101] <... write resumed>)        = 18
[pid  1100] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1102] <... setpgid resumed>)      = 0
[pid  1101] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1098] <... futex resumed>)        = 0
[pid  1100] <... futex resumed>)        = 1
executing program
[pid  1098] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1101] <... futex resumed>)        = 0
[pid  1100] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1098] <... futex resumed>)        = 0
[pid  1102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1101] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1099] +++ exited with 0 +++
[pid  1098] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1097] +++ exited with 0 +++
[pid  1101] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1100] <... openat resumed>)       = 4
[pid  1102] <... openat resumed>)       = 3
[pid  1101] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1100] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1102] write(3, "1000", 4 <unfinished ...>
[pid  1101] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1097, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1098] <... futex resumed>)        = 0
[pid  1102] <... write resumed>)        = 4
[pid  1101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1100] <... futex resumed>)        = 1
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1102] close(3 <unfinished ...>
[pid  1098] exit_group(0 <unfinished ...>
[pid  1101] <... mmap resumed>)         = 0x7fb4de009000
[pid  1100] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1102] <... close resumed>)        = 0
[pid  1101] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1098] <... exit_group resumed>)   = ?
[pid  1102] write(1, "executing program\n", 18 <unfinished ...>
[pid  1100] +++ exited with 0 +++
[pid  1101] <... mprotect resumed>)     = 0
[pid  1101] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1101] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1102] <... write resumed>)        = 18
[pid  1098] +++ exited with 0 +++
[pid   315] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1103 attached
[pid  1102] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1098, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1102] <... futex resumed>)        = 0
executing program
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1103] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1102] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1103] <... set_robust_list resumed>) = 0
[pid  1102] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1101] <... clone3 resumed> => {parent_tid=[1103]}, 88) = 1103
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1103] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1102] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1101] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1103] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1102] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1101] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1103] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1101] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1103] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1102] <... mmap resumed>)         = 0x7fb4de009000
[pid  1101] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1103] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1101] <... futex resumed>)        = 0
[pid  1101] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1103] <... futex resumed>)        = 1
[pid  1101] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1104 attached
[pid  1103] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1102] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1101] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1104] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1103] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1104] <... set_robust_list resumed>) = 0
[pid  1102] <... mprotect resumed>)     = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1104
[pid  1104] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1103] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1102] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1104] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1103] <... futex resumed>)        = 1
[pid  1102] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1101] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1104] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1103] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1102] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1105 attached
 <unfinished ...>
[pid  1104] <... prctl resumed>)        = 0
[pid  1103] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1101] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1105] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1104] setpgid(0, 0 <unfinished ...>
[pid  1103] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1102] <... clone3 resumed> => {parent_tid=[1105]}, 88) = 1105
[pid  1101] <... futex resumed>)        = 0
[pid  1103] <... openat resumed>)       = 3
[pid  1101] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1105] <... set_robust_list resumed>) = 0
[pid  1104] <... setpgid resumed>)      = 0
[pid  1103] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1102] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1101] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1105] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1103] <... futex resumed>)        = 0
[pid  1102] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1101] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1105] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1103] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1102] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1101] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1105] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1103] <... write resumed>)        = 2
[pid  1102] <... futex resumed>)        = 0
[pid  1101] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1104] <... openat resumed>)       = 3
[pid  1103] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1102] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1101] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1106 attached
 <unfinished ...>
[pid  1105] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1104] write(3, "1000", 4 <unfinished ...>
[pid  1103] <... futex resumed>)        = 0
[pid  1101] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1105] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1104] <... write resumed>)        = 4
[pid  1103] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1101] <... futex resumed>)        = 0
[pid  1106] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1105] <... futex resumed>)        = 1
[pid  1104] close(3 <unfinished ...>
[pid  1103] <... openat resumed>)       = 4
[pid  1102] <... futex resumed>)        = 0
[pid  1101] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1106
[pid  1104] <... close resumed>)        = 0
[pid  1103] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1101] <... futex resumed>)        = 0
[pid  1103] <... futex resumed>)        = 1
[pid  1101] exit_group(0 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1102] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1106] <... set_robust_list resumed>) = 0
[pid  1105] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1104] write(1, "executing program\n", 18 <unfinished ...>
[pid  1102] <... futex resumed>)        = 0
[pid  1101] <... exit_group resumed>)   = ?
[pid  1106] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1104] <... write resumed>)        = 18
[pid  1103] +++ exited with 0 +++
[pid  1105] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
executing program
[pid  1106] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1105] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1104] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1102] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1101] +++ exited with 0 +++
[pid  1105] <... futex resumed>)        = 0
[pid  1104] <... futex resumed>)        = 0
[pid  1102] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1106] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1101, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1106] <... prctl resumed>)        = 0
[pid  1105] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1104] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1102] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1106] setpgid(0, 0 <unfinished ...>
[pid  1105] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1104] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1102] <... futex resumed>)        = 0
[pid  1106] <... setpgid resumed>)      = 0
[pid  1105] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1104] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1102] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1105] <... openat resumed>)       = 3
[pid  1104] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1105] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1105] <... futex resumed>)        = 1
[pid  1102] <... futex resumed>)        = 0
[pid  1106] <... openat resumed>)       = 3
[pid  1105] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1104] <... mmap resumed>)         = 0x7fb4de009000
[pid  1102] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1106] write(3, "1000", 4 <unfinished ...>
[pid  1105] <... write resumed>)        = 2
[pid  1104] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1106] <... write resumed>)        = 4
[pid  1105] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1104] <... mprotect resumed>)     = 0
[pid  1102] <... futex resumed>)        = 0
[pid  1106] close(3 <unfinished ...>
[pid  1105] <... futex resumed>)        = 0
[pid  1106] <... close resumed>)        = 0
[pid  1105] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1104] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1102] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1106] write(1, "executing program\n", 18 <unfinished ...>
[pid  1104] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1106] <... write resumed>)        = 18
[pid  1104] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1102] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
executing program
[pid  1106] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1107 attached
) = 0
[pid  1102] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1107] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1106] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1107] <... set_robust_list resumed>) = 0
[pid  1105] <... futex resumed>)        = 0
[pid  1102] <... futex resumed>)        = 1
[pid  1107] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1106] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1105] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1102] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1107] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1106] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1107] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1106] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1105] <... openat resumed>)       = 4
[pid  1104] <... clone3 resumed> => {parent_tid=[1107]}, 88) = 1107
[pid  1106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1105] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1104] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1106] <... mmap resumed>)         = 0x7fb4de009000
[pid  1105] <... futex resumed>)        = 1
[pid  1104] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1102] <... futex resumed>)        = 0
[pid  1106] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1105] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1104] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1107] <... futex resumed>)        = 0
[pid  1106] <... mprotect resumed>)     = 0
[pid  1104] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1102] exit_group(0 <unfinished ...>
[pid  1107] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1106] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1107] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1105] <... futex resumed>)        = ?
[pid  1102] <... exit_group resumed>)   = ?
[pid  1107] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1106] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1107] <... futex resumed>)        = 1
[pid  1104] <... futex resumed>)        = 0
[pid  1104] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1104] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1106] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1105] +++ exited with 0 +++
[pid  1107] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1102] +++ exited with 0 +++
[pid  1107] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1102, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1108 attached
[pid  1107] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1106] <... clone3 resumed> => {parent_tid=[1108]}, 88) = 1108
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1108] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1107] <... futex resumed>)        = 1
[pid  1106] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1104] <... futex resumed>)        = 0
[pid  1108] <... set_robust_list resumed>) = 0
[pid  1107] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1106] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1104] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1108] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1107] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1106] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1104] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1108] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1107] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1106] <... futex resumed>)        = 0
[pid  1104] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1108] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1107] <... openat resumed>)       = 3
[pid  1106] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1108] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1107] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1109 attached
 <unfinished ...>
[pid  1108] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1107] <... futex resumed>)        = 1
[pid  1104] <... futex resumed>)        = 0
[pid  1109] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1108] <... futex resumed>)        = 1
[pid  1107] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1106] <... futex resumed>)        = 0
[pid  1104] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1109] <... set_robust_list resumed>) = 0
[pid  1108] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1107] <... write resumed>)        = 2
[pid  1106] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1109] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1108] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1107] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1106] <... futex resumed>)        = 0
[pid  1104] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  1109] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1108] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1107] <... futex resumed>)        = 0
[pid  1109] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1108] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1107] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1106] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1104] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1109
[pid  1109] <... prctl resumed>)        = 0
[pid  1108] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1106] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1104] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1109] setpgid(0, 0 <unfinished ...>
[pid  1108] <... futex resumed>)        = 0
[pid  1106] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1104] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1109] <... setpgid resumed>)      = 0
[pid  1108] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1107] <... futex resumed>)        = 0
[pid  1106] <... futex resumed>)        = 0
[pid  1104] <... futex resumed>)        = 1
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1108] <... openat resumed>)       = 3
[pid  1107] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1106] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1104] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1109] <... openat resumed>)       = 3
[pid  1108] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1107] <... openat resumed>)       = 4
[pid  1109] write(3, "1000", 4)         = 4
ci2-android-6-12-rust/strace-static-x86_64: Process 1110 attached
[pid  1108] <... futex resumed>)        = 1
[pid  1107] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1106] <... futex resumed>)        = 0
[pid  1110] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1109] close(3 <unfinished ...>
[pid  1108] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1107] <... futex resumed>)        = 1
[pid  1106] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1104] <... futex resumed>)        = 0
[pid  1110] <... set_robust_list resumed>) = 0
[pid  1109] <... close resumed>)        = 0
[pid  1108] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1107] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1106] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1110
[pid  1110] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1109] write(1, "executing program\n", 18 <unfinished ...>
[pid  1108] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1106] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1104] exit_group(0 <unfinished ...>
executing program
[pid  1110] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1109] <... write resumed>)        = 18
[pid  1108] <... write resumed>)        = 2
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1110] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1109] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1108] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1107] <... futex resumed>)        = ?
[pid  1104] <... exit_group resumed>)   = ?
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1110] <... prctl resumed>)        = 0
[pid  1108] <... futex resumed>)        = 1
[pid  1107] +++ exited with 0 +++
[pid  1109] <... futex resumed>)        = 0
[pid  1106] <... futex resumed>)        = 0
[pid  1109] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1106] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1109] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1106] <... futex resumed>)        = 0
[pid  1109] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1106] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1104] +++ exited with 0 +++
[pid  1110] setpgid(0, 0 <unfinished ...>
[pid  1109] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1108] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1110] <... setpgid resumed>)      = 0
[pid  1109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1109] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1109] <... mprotect resumed>)     = 0
[pid  1108] <... openat resumed>)       = 4
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1104, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1110] <... openat resumed>)       = 3
[pid  1109] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1110] write(3, "1000", 4 <unfinished ...>
[pid  1108] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1110] <... write resumed>)        = 4
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1109] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1108] <... futex resumed>)        = 1
[pid  1106] <... futex resumed>)        = 0
[pid  1110] close(3 <unfinished ...>
[pid  1109] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1108] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1106] exit_group(0 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1110] <... close resumed>)        = 0
executing program
[pid  1110] write(1, "executing program\n", 18) = 18
[pid  1106] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 1111 attached
[pid  1110] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1109] <... clone3 resumed> => {parent_tid=[1111]}, 88) = 1111
[pid  1108] <... futex resumed>)        = ?
[pid  1111] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1110] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1111] <... set_robust_list resumed>) = 0
[pid  1110] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1108] +++ exited with 0 +++
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1111] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1110] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1111] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1110] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1111] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1110] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1112 attached
[pid  1110] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1109] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1106] +++ exited with 0 +++
[pid  1112] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1110] <... mmap resumed>)         = 0x7fb4de009000
[pid  1109] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1112] <... set_robust_list resumed>) = 0
[pid  1110] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1109] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1112
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1106, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1112] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1111] <... futex resumed>)        = 0
[pid  1110] <... mprotect resumed>)     = 0
[pid  1109] <... futex resumed>)        = 1
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1112] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1111] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1110] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1109] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1112] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1111] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1110] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1112] <... prctl resumed>)        = 0
[pid  1111] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1110] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1113 attached
 <unfinished ...>
[pid  1112] setpgid(0, 0 <unfinished ...>
[pid  1111] <... futex resumed>)        = 1
[pid  1109] <... futex resumed>)        = 0
[pid  1113] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1112] <... setpgid resumed>)      = 0
[pid  1111] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1110] <... clone3 resumed> => {parent_tid=[1113]}, 88) = 1113
[pid  1109] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1113] <... set_robust_list resumed>) = 0
[pid  1112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1111] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1110] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1109] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1113] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1112] <... openat resumed>)       = 3
[pid  1111] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1110] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1109] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1113] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1112] write(3, "1000", 4 <unfinished ...>
[pid  1111] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1110] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1113] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1112] <... write resumed>)        = 4
[pid  1111] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1110] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1113] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1112] close(3 <unfinished ...>
[pid  1110] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1114 attached
 <unfinished ...>
[pid  1113] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1112] <... close resumed>)        = 0
[pid  1111] <... futex resumed>)        = 1
[pid  1110] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1109] <... futex resumed>)        = 0
[pid  1114] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1113] <... futex resumed>)        = 0
[pid  1112] write(1, "executing program\n", 18 <unfinished ...>
[pid  1111] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1110] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1114] <... set_robust_list resumed>) = 0
[pid  1113] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1112] <... write resumed>)        = 18
[pid  1110] <... futex resumed>)        = 0
executing program
[pid  1114] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1113] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1112] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1110] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1109] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1114
[pid  1114] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1113] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1112] <... futex resumed>)        = 0
[pid  1111] <... futex resumed>)        = 0
[pid  1110] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1109] <... futex resumed>)        = 1
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1114] <... prctl resumed>)        = 0
[pid  1113] <... futex resumed>)        = 0
[pid  1112] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1111] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1110] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1109] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1114] setpgid(0, 0 <unfinished ...>
[pid  1113] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1112] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1111] <... openat resumed>)       = 3
[pid  1110] <... futex resumed>)        = 0
[pid  1114] <... setpgid resumed>)      = 0
[pid  1113] <... openat resumed>)       = 3
[pid  1112] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1111] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1110] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1113] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1112] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1111] <... futex resumed>)        = 1
[pid  1110] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1109] <... futex resumed>)        = 0
[pid  1114] <... openat resumed>)       = 3
[pid  1113] <... futex resumed>)        = 0
[pid  1112] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1111] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1110] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1109] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1113] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1112] <... mmap resumed>)         = 0x7fb4de009000
[pid  1111] <... write resumed>)        = 2
[pid  1109] <... futex resumed>)        = 0
[pid  1114] write(3, "1000", 4 <unfinished ...>
[pid  1113] <... write resumed>)        = 2
[pid  1112] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1111] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1110] <... futex resumed>)        = 0
[pid  1109] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1114] <... write resumed>)        = 4
[pid  1113] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1112] <... mprotect resumed>)     = 0
[pid  1111] <... futex resumed>)        = 0
[pid  1110] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1109] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1114] close(3 <unfinished ...>
[pid  1113] <... futex resumed>)        = 0
[pid  1112] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1111] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1110] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1109] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1114] <... close resumed>)        = 0
[pid  1113] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1112] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1111] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1110] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1109] <... futex resumed>)        = 0
[pid  1114] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  1113] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1112] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1111] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1110] <... futex resumed>)        = 0
[pid  1109] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1114] <... write resumed>)        = 18
ci2-android-6-12-rust/strace-static-x86_64: Process 1115 attached
[pid  1115] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1114] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1111] <... openat resumed>)       = 4
[pid  1110] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1114] <... futex resumed>)        = 0
[pid  1113] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1112] <... clone3 resumed> => {parent_tid=[1115]}, 88) = 1115
[pid  1111] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1114] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1113] <... openat resumed>)       = 4
[pid  1114] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1112] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1115] <... set_robust_list resumed>) = 0
[pid  1114] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1113] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1112] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1111] <... futex resumed>)        = 1
[pid  1109] <... futex resumed>)        = 0
[pid  1115] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1114] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1113] <... futex resumed>)        = 1
[pid  1112] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1111] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1110] <... futex resumed>)        = 0
[pid  1109] exit_group(0 <unfinished ...>
[pid  1115] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1112] <... futex resumed>)        = 0
[pid  1111] <... futex resumed>)        = ?
[pid  1110] exit_group(0 <unfinished ...>
[pid  1113] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1109] <... exit_group resumed>)   = ?
[pid  1115] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1112] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1115] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1115] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1115] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1110] <... exit_group resumed>)   = ?
[pid  1114] <... mmap resumed>)         = 0x7fb4de009000
[pid  1113] <... futex resumed>)        = ?
[pid  1112] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1111] +++ exited with 0 +++
[pid  1109] +++ exited with 0 +++
[pid  1114] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1109, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1112] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1115] <... futex resumed>)        = 0
[pid  1113] +++ exited with 0 +++
[pid  1110] +++ exited with 0 +++
[pid  1114] <... mprotect resumed>)     = 0
[pid  1115] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1114] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1112] <... futex resumed>)        = 1
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1110, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1115] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1114] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1116 attached
[pid  1115] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1112] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1116] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1115] <... futex resumed>)        = 0
[pid  1114] <... clone3 resumed> => {parent_tid=[1116]}, 88) = 1116
[pid  1112] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1116] <... set_robust_list resumed>) = 0
[pid  1115] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1114] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1112] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1116] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1115] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1114] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1112] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1116] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1115] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1114] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1112] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1116] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1115] <... openat resumed>)       = 3
[pid  1114] <... futex resumed>)        = 0
[pid  1116] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1115] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1114] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1116] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1115] <... futex resumed>)        = 1
[pid  1114] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1112] <... futex resumed>)        = 0
[pid  1115] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1112] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1115] <... write resumed>)        = 2
[pid  1112] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1117 attached
[pid  1115] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1116] <... futex resumed>)        = 0
[pid  1112] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1114] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1117] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1116] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1115] <... futex resumed>)        = 0
[pid  1114] <... futex resumed>)        = 0
[pid  1112] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1117] <... set_robust_list resumed>) = 0
[pid  1116] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1115] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1114] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1112] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1117
[pid  1117] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1116] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1115] <... openat resumed>)       = 4
[pid  1114] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1112] <... futex resumed>)        = 0
[pid  1117] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1116] <... futex resumed>)        = 0
[pid  1114] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1117] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1116] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1115] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1114] <... futex resumed>)        = 0
[pid  1112] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1117] <... prctl resumed>)        = 0
[pid  1116] <... openat resumed>)       = 3
[pid  1115] <... futex resumed>)        = 0
[pid  1114] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1112] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1117] setpgid(0, 0 <unfinished ...>
[pid  1116] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1115] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1114] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1112] exit_group(0 <unfinished ...>
[pid  1117] <... setpgid resumed>)      = 0
[pid  1116] <... futex resumed>)        = 0
[pid  1114] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1116] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1115] <... futex resumed>)        = ?
[pid  1114] <... futex resumed>)        = 0
[pid  1112] <... exit_group resumed>)   = ?
[pid  1117] <... openat resumed>)       = 3
[pid  1116] <... write resumed>)        = 2
[pid  1115] +++ exited with 0 +++
[pid  1114] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1112] +++ exited with 0 +++
[pid  1117] write(3, "1000", 4 <unfinished ...>
[pid  1116] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1114] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1112, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1117] <... write resumed>)        = 4
[pid  1116] <... futex resumed>)        = 0
[pid  1114] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1117] close(3 <unfinished ...>
[pid  1116] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1114] <... futex resumed>)        = 0
[pid  1117] <... close resumed>)        = 0
[pid  1117] write(1, "executing program\n", 18 <unfinished ...>
[pid  1116] <... openat resumed>)       = 4
[pid  1114] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1117] <... write resumed>)        = 18
[pid  1116] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1114] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1117] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1116] <... futex resumed>)        = 0
[pid  1117] <... futex resumed>)        = 0
[pid  1116] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1114] exit_group(0 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
executing program
[pid  1117] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1116] <... futex resumed>)        = ?
[pid  1114] <... exit_group resumed>)   = ?
[pid  1117] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1119 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1118 attached
 <unfinished ...>
[pid  1117] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1116] +++ exited with 0 +++
[pid  1114] +++ exited with 0 +++
[pid  1119] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1118] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1119] <... set_robust_list resumed>) = 0
[pid  1117] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1118] <... set_robust_list resumed>) = 0
[pid  1117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1119] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1118] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1114, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1117] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1119] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1118
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1119
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1119] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1118] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1117] <... mprotect resumed>)     = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1119] <... prctl resumed>)        = 0
[pid  1118] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1117] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1119] setpgid(0, 0)               = 0
[pid  1118] <... prctl resumed>)        = 0
[pid  1117] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1118] setpgid(0, 0 <unfinished ...>
[pid  1117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1118] <... setpgid resumed>)      = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1120 attached
[pid  1118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1119] <... openat resumed>)       = 3
[pid  1120] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1117] <... clone3 resumed> => {parent_tid=[1120]}, 88) = 1120
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1120] <... set_robust_list resumed>) = 0
[pid  1119] write(3, "1000", 4 <unfinished ...>
[pid  1118] <... openat resumed>)       = 3
[pid  1117] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1120] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1119] <... write resumed>)        = 4
[pid  1118] write(3, "1000", 4 <unfinished ...>
[pid  1117] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1121 attached
 <unfinished ...>
[pid  1120] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1119] close(3 <unfinished ...>
[pid  1118] <... write resumed>)        = 4
[pid  1117] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1121] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1117] <... futex resumed>)        = 0
[pid  1119] <... close resumed>)        = 0
[pid  1118] close(3 <unfinished ...>
[pid  1120] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1121] <... set_robust_list resumed>) = 0
[pid  1119] write(1, "executing program\n", 18 <unfinished ...>
[pid  1118] <... close resumed>)        = 0
[pid  1117] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1120] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1121] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1119] <... write resumed>)        = 18
[pid  1121] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1120] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1118] write(1, "executing program\n", 18 <unfinished ...>
[pid  1119] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1121] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1120] <... futex resumed>)        = 1
[pid  1118] <... write resumed>)        = 18
[pid  1117] <... futex resumed>)        = 0
[pid  1119] <... futex resumed>)        = 0
[pid  1121] <... prctl resumed>)        = 0
[pid  1120] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1119] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1118] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1117] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1121] setpgid(0, 0 <unfinished ...>
[pid  1120] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1119] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1118] <... futex resumed>)        = 0
[pid  1117] <... futex resumed>)        = 0
[pid  1121] <... setpgid resumed>)      = 0
[pid  1120] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1119] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1118] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1117] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
executing program
executing program
[pid  1121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1120] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1119] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1118] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1121
[pid  1121] <... openat resumed>)       = 3
[pid  1120] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1118] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1121] write(3, "1000", 4 <unfinished ...>
[pid  1120] <... futex resumed>)        = 1
[pid  1119] <... mmap resumed>)         = 0x7fb4de009000
[pid  1118] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1117] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1121] <... write resumed>)        = 4
[pid  1120] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1119] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1118] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1117] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1121] close(3 <unfinished ...>
[pid  1120] <... openat resumed>)       = 3
[pid  1119] <... mprotect resumed>)     = 0
[pid  1118] <... mmap resumed>)         = 0x7fb4de009000
[pid  1117] <... futex resumed>)        = 0
[pid  1121] <... close resumed>)        = 0
[pid  1120] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1121] write(1, "executing program\n", 18 <unfinished ...>
[pid  1118] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
executing program
[pid  1117] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1121] <... write resumed>)        = 18
[pid  1120] <... futex resumed>)        = 0
[pid  1119] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1118] <... mprotect resumed>)     = 0
[pid  1117] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1121] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1120] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1117] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1121] <... futex resumed>)        = 0
[pid  1119] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1118] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1117] <... futex resumed>)        = 0
[pid  1121] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1119] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1118] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1117] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1121] <... rt_sigaction resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1122 attached
[pid  1118] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1121] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 1123 attached
 <unfinished ...>
[pid  1122] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1121] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1120] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1119] <... clone3 resumed> => {parent_tid=[1122]}, 88) = 1122
[pid  1123] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1122] <... set_robust_list resumed>) = 0
[pid  1121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1120] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1123] <... set_robust_list resumed>) = 0
[pid  1122] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1121] <... mmap resumed>)         = 0x7fb4de009000
[pid  1120] <... write resumed>)        = 2
[pid  1119] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1118] <... clone3 resumed> => {parent_tid=[1123]}, 88) = 1123
[pid  1123] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1122] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1121] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1120] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1119] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1123] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1122] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1121] <... mprotect resumed>)     = 0
[pid  1120] <... futex resumed>)        = 1
[pid  1118] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1117] <... futex resumed>)        = 0
[pid  1123] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1122] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1121] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1120] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1119] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1118] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1117] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1122] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1121] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1120] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1119] <... futex resumed>)        = 0
[pid  1118] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1117] <... futex resumed>)        = 0
[pid  1123] <... futex resumed>)        = 0
[pid  1122] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1121] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1120] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1119] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1118] <... futex resumed>)        = 1
[pid  1117] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1124 attached
 <unfinished ...>
[pid  1123] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1122] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1120] <... openat resumed>)       = 4
[pid  1119] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1118] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1124] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1123] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1122] <... futex resumed>)        = 0
[pid  1121] <... clone3 resumed> => {parent_tid=[1124]}, 88) = 1124
[pid  1120] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1119] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1124] <... set_robust_list resumed>) = 0
[pid  1123] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1122] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1121] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1120] <... futex resumed>)        = 1
[pid  1119] <... futex resumed>)        = 0
[pid  1117] <... futex resumed>)        = 0
[pid  1124] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1123] <... futex resumed>)        = 1
[pid  1124] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1123] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1122] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1121] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1120] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1119] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1118] <... futex resumed>)        = 0
[pid  1117] exit_group(0 <unfinished ...>
[pid  1124] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1122] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1121] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1120] <... futex resumed>)        = ?
[pid  1119] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1118] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1117] <... exit_group resumed>)   = ?
[pid  1124] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1123] <... futex resumed>)        = 0
[pid  1122] <... futex resumed>)        = 0
[pid  1121] <... futex resumed>)        = 0
[pid  1120] +++ exited with 0 +++
[pid  1119] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1118] <... futex resumed>)        = 1
[pid  1124] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1123] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1122] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1121] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1124] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1119] <... futex resumed>)        = 0
[pid  1118] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1122] <... openat resumed>)       = 3
[pid  1124] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1123] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1122] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1121] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1119] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1117] +++ exited with 0 +++
[pid  1124] <... futex resumed>)        = 0
[pid  1123] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1122] <... futex resumed>)        = 0
[pid  1121] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1119] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1124] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1123] <... futex resumed>)        = 1
[pid  1122] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1121] <... futex resumed>)        = 0
[pid  1119] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1118] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1117, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1124] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1123] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1122] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1121] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1119] <... futex resumed>)        = 0
[pid  1118] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1124] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1123] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1122] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1119] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1118] <... futex resumed>)        = 0
[pid  1124] <... futex resumed>)        = 0
[pid  1123] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1122] <... write resumed>)        = 2
[pid  1121] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1118] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1124] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1123] <... openat resumed>)       = 3
[pid  1122] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1121] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1124] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1123] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1122] <... futex resumed>)        = 1
[pid  1121] <... futex resumed>)        = 0
[pid  1119] <... futex resumed>)        = 0
[pid  1124] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1123] <... futex resumed>)        = 1
[pid  1122] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1121] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1119] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1118] <... futex resumed>)        = 0
[pid  1124] <... openat resumed>)       = 3
[pid  1123] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1122] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1119] <... futex resumed>)        = 0
[pid  1118] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1124] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1123] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1122] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1119] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1118] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1124] <... futex resumed>)        = 1
[pid  1123] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1122] <... openat resumed>)       = 4
[pid  1118] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1124] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1123] <... write resumed>)        = 2
[pid  1122] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1123] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1122] <... futex resumed>)        = 1
[pid  1119] <... futex resumed>)        = 0
[pid  1121] <... futex resumed>)        = 0
[pid  1121] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1121] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1123] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 1125 attached
[pid  1125] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1124] <... futex resumed>)        = 0
[pid  1122] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1119] exit_group(0 <unfinished ...>
[pid  1118] <... futex resumed>)        = 0
[pid  1125] <... set_robust_list resumed>) = 0
[pid  1124] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1122] <... futex resumed>)        = ?
[pid  1119] <... exit_group resumed>)   = ?
[pid  1118] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1125
[pid  1122] +++ exited with 0 +++
[pid  1118] <... futex resumed>)        = 0
[pid  1124] <... write resumed>)        = 2
[pid  1118] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1123] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1123] <... openat resumed>)       = 4
[pid  1125] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1124] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1123] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1119] +++ exited with 0 +++
[pid  1125] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1124] <... futex resumed>)        = 1
[pid  1121] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1119, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1121] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1125] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1124] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1123] <... futex resumed>)        = 1
[pid  1121] <... futex resumed>)        = 0
[pid  1118] <... futex resumed>)        = 0
[pid  1125] <... prctl resumed>)        = 0
[pid  1123] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1121] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1125] setpgid(0, 0 <unfinished ...>
[pid  1124] <... openat resumed>)       = 4
[pid  1118] exit_group(0 <unfinished ...>
[pid  1125] <... setpgid resumed>)      = 0
[pid  1124] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1123] <... futex resumed>)        = ?
[pid  1118] <... exit_group resumed>)   = ?
[pid  1125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1124] <... futex resumed>)        = 1
[pid  1123] +++ exited with 0 +++
[pid  1121] <... futex resumed>)        = 0
[pid  1121] exit_group(0)               = ?
[pid  1118] +++ exited with 0 +++
[pid   313] <... restart_syscall resumed>) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1118, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1125] <... openat resumed>)       = 3
[pid  1124] +++ exited with 0 +++
[pid  1121] +++ exited with 0 +++
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1125] write(3, "1000", 4 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1121, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 1126 attached
[pid  1125] <... write resumed>)        = 4
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1126] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1125] close(3 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1126] <... set_robust_list resumed>) = 0
[pid  1125] <... close resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1127 attached
[pid  1127] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1126] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
executing program
[pid  1125] write(1, "executing program\n", 18 <unfinished ...>
[pid  1127] <... set_robust_list resumed>) = 0
[pid  1126] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1125] <... write resumed>)        = 18
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1126
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1127
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1126] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1125] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1127] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1126] <... prctl resumed>)        = 0
[pid  1125] <... futex resumed>)        = 0
[pid  1127] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1126] setpgid(0, 0 <unfinished ...>
[pid  1125] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1127] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1126] <... setpgid resumed>)      = 0
[pid  1125] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1127] <... prctl resumed>)        = 0
[pid  1126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1125] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1127] setpgid(0, 0 <unfinished ...>
[pid  1126] <... openat resumed>)       = 3
[pid   312] <... restart_syscall resumed>) = 0
[pid  1127] <... setpgid resumed>)      = 0
[pid  1126] write(3, "1000", 4 <unfinished ...>
[pid  1127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1126] <... write resumed>)        = 4
[pid  1127] <... openat resumed>)       = 3
[pid  1126] close(3 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1127] write(3, "1000", 4 <unfinished ...>
[pid  1126] <... close resumed>)        = 0
[pid  1125] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1127] <... write resumed>)        = 4
[pid  1126] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  1125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1128 attached
 <unfinished ...>
[pid  1127] close(3 <unfinished ...>
[pid  1126] <... write resumed>)        = 18
[pid  1125] <... mmap resumed>)         = 0x7fb4de009000
[pid  1128] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1127] <... close resumed>)        = 0
[pid  1126] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1128] <... set_robust_list resumed>) = 0
[pid  1127] write(1, "executing program\n", 18 <unfinished ...>
[pid  1126] <... futex resumed>)        = 0
[pid  1128] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1127] <... write resumed>)        = 18
[pid  1126] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1125] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1128] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1127] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1126] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1127] <... futex resumed>)        = 0
executing program
[pid  1126] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1128] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1127] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1126] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1125] <... mprotect resumed>)     = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1128
[pid  1128] <... prctl resumed>)        = 0
[pid  1127] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1126] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1125] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1128] setpgid(0, 0 <unfinished ...>
[pid  1127] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1126] <... mmap resumed>)         = 0x7fb4de009000
[pid  1125] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1128] <... setpgid resumed>)      = 0
[pid  1127] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1126] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1125] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1129 attached
[pid  1128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1127] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1126] <... mprotect resumed>)     = 0
[pid  1129] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  1127] <... mmap resumed>)         = 0x7fb4de009000
[pid  1126] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1125] <... clone3 resumed> => {parent_tid=[1129]}, 88) = 1129
[pid  1129] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1128] <... openat resumed>)       = 3
[pid  1127] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1126] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1129] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1128] write(3, "1000", 4 <unfinished ...>
[pid  1129] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1127] <... mprotect resumed>)     = 0
[pid  1126] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1128] <... write resumed>)        = 4
[pid  1127] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1130 attached
 <unfinished ...>
[pid  1128] close(3 <unfinished ...>
[pid  1127] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1125] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1130] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1128] <... close resumed>)        = 0
[pid  1127] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1126] <... clone3 resumed> => {parent_tid=[1130]}, 88) = 1130
[pid  1125] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1131 attached
[pid  1130] <... set_robust_list resumed>) = 0
[pid  1128] write(1, "executing program\n", 18 <unfinished ...>
[pid  1126] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1125] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1131] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1130] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1129] <... futex resumed>)        = 0
[pid  1128] <... write resumed>)        = 18
[pid  1127] <... clone3 resumed> => {parent_tid=[1131]}, 88) = 1131
[pid  1126] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1125] <... futex resumed>)        = 1
[pid  1131] <... set_robust_list resumed>) = 0
[pid  1130] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1129] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
executing program
[pid  1128] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1127] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1126] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1125] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1131] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1130] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1129] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1128] <... futex resumed>)        = 0
[pid  1127] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1126] <... futex resumed>)        = 0
[pid  1131] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1130] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1129] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1128] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1131] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1130] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1129] <... futex resumed>)        = 1
[pid  1127] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1126] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1125] <... futex resumed>)        = 0
[pid  1131] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1130] <... futex resumed>)        = 0
[pid  1129] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1128] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1127] <... futex resumed>)        = 0
[pid  1126] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1125] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1131] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1130] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1129] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1128] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1127] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1126] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1125] <... futex resumed>)        = 0
[pid  1131] <... futex resumed>)        = 0
[pid  1130] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1129] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1128] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1127] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1126] <... futex resumed>)        = 0
[pid  1125] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1131] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1130] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1129] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1127] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1126] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1131] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1130] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1129] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1128] <... mmap resumed>)         = 0x7fb4de009000
[pid  1127] <... futex resumed>)        = 0
[pid  1131] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1130] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1129] <... futex resumed>)        = 1
[pid  1128] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1127] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1125] <... futex resumed>)        = 0
[pid  1131] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1130] <... futex resumed>)        = 1
[pid  1129] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1128] <... mprotect resumed>)     = 0
[pid  1126] <... futex resumed>)        = 0
[pid  1125] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1131] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1130] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1129] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1125] <... futex resumed>)        = 0
[pid  1131] <... futex resumed>)        = 1
[pid  1130] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1129] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1128] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1127] <... futex resumed>)        = 0
[pid  1126] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1125] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1131] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1130] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1129] <... openat resumed>)       = 3
[pid  1128] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1127] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1126] <... futex resumed>)        = 0
[pid  1131] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1129] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1128] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1127] <... futex resumed>)        = 0
[pid  1126] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1131] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1130] <... openat resumed>)       = 3
[pid  1129] <... futex resumed>)        = 1
[pid  1127] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1125] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1132 attached
[pid  1131] <... openat resumed>)       = 3
[pid  1130] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1129] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1130] <... futex resumed>)        = 1
[pid  1126] <... futex resumed>)        = 0
[pid  1128] <... clone3 resumed> => {parent_tid=[1132]}, 88) = 1132
[pid  1132] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1131] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1130] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1128] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1126] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1132] <... set_robust_list resumed>) = 0
[pid  1131] <... futex resumed>)        = 1
[pid  1130] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1128] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1127] <... futex resumed>)        = 0
[pid  1126] <... futex resumed>)        = 0
[pid  1132] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1131] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1130] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1128] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1127] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1126] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1132] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1131] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1130] <... write resumed>)        = 2
[pid  1128] <... futex resumed>)        = 0
[pid  1127] <... futex resumed>)        = 0
[pid  1132] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1131] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1132] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1130] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1128] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1127] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1131] <... write resumed>)        = 2
[pid  1132] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1131] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1130] <... futex resumed>)        = 1
[pid  1128] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1126] <... futex resumed>)        = 0
[pid  1132] <... futex resumed>)        = 0
[pid  1131] <... futex resumed>)        = 1
[pid  1130] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1128] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1127] <... futex resumed>)        = 0
[pid  1126] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1132] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1131] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1130] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1128] <... futex resumed>)        = 0
[pid  1127] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1126] <... futex resumed>)        = 0
[pid  1132] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1131] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1130] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1128] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1127] <... futex resumed>)        = 0
[pid  1125] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1126] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1132] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1131] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1130] <... openat resumed>)       = 4
[pid  1129] <... futex resumed>)        = 0
[pid  1128] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1127] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1125] <... futex resumed>)        = 1
[pid  1132] <... futex resumed>)        = 0
[pid  1131] <... openat resumed>)       = 4
[pid  1130] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1129] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1128] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1125] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1132] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1131] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1130] <... futex resumed>)        = 1
[pid  1129] <... write resumed>)        = 2
[pid  1128] <... futex resumed>)        = 0
[pid  1126] <... futex resumed>)        = 0
[pid  1131] <... futex resumed>)        = 1
[pid  1130] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1129] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1128] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1127] <... futex resumed>)        = 0
[pid  1126] exit_group(0 <unfinished ...>
[pid  1132] <... openat resumed>)       = 3
[pid  1131] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1129] <... futex resumed>)        = 1
[pid  1125] <... futex resumed>)        = 0
[pid  1132] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1127] exit_group(0 <unfinished ...>
[pid  1129] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1125] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1132] <... futex resumed>)        = 1
[pid  1131] <... futex resumed>)        = ?
[pid  1130] <... futex resumed>)        = ?
[pid  1128] <... futex resumed>)        = 0
[pid  1127] <... exit_group resumed>)   = ?
[pid  1126] <... exit_group resumed>)   = ?
[pid  1125] <... futex resumed>)        = 0
[pid  1132] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1131] +++ exited with 0 +++
[pid  1130] +++ exited with 0 +++
[pid  1129] <... openat resumed>)       = 4
[pid  1128] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1125] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1127] +++ exited with 0 +++
[pid  1132] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1129] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1128] <... futex resumed>)        = 0
[pid  1126] +++ exited with 0 +++
[pid  1132] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1129] <... futex resumed>)        = 1
[pid  1128] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1125] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1127, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1126, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1132] <... write resumed>)        = 2
[pid  1129] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1125] exit_group(0 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1132] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1129] <... futex resumed>)        = ?
[pid  1125] <... exit_group resumed>)   = ?
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1128] <... futex resumed>)        = 0
[pid  1128] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1132] <... futex resumed>)        = 1
[pid  1129] +++ exited with 0 +++
[pid  1128] <... futex resumed>)        = 0
[pid  1125] +++ exited with 0 +++
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1132] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1128] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1133 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1134 attached
 <unfinished ...>
[pid  1132] <... openat resumed>)       = 4
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1125, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1133] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1134] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1133] <... set_robust_list resumed>) = 0
[pid  1132] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1134] <... set_robust_list resumed>) = 0
[pid  1134] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1133] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1132] <... futex resumed>)        = 1
[pid  1128] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1134
[pid  1134] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1132] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1133
[pid  1134] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1133] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1128] exit_group(0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1134] <... prctl resumed>)        = 0
[pid  1133] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1132] <... futex resumed>)        = ?
[pid  1128] <... exit_group resumed>)   = ?
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1134] setpgid(0, 0 <unfinished ...>
[pid  1133] <... prctl resumed>)        = 0
[pid  1132] +++ exited with 0 +++
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1134] <... setpgid resumed>)      = 0
[pid  1133] setpgid(0, 0 <unfinished ...>
[pid  1128] +++ exited with 0 +++
[pid  1134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1133] <... setpgid resumed>)      = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1128, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1134] <... openat resumed>)       = 3
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 1135 attached
 <unfinished ...>
[pid  1134] write(3, "1000", 4 <unfinished ...>
[pid  1133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1135] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1135
[pid  1135] <... set_robust_list resumed>) = 0
[pid  1134] <... write resumed>)        = 4
[pid  1133] <... openat resumed>)       = 3
[pid   312] <... restart_syscall resumed>) = 0
[pid  1135] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1134] close(3 <unfinished ...>
[pid  1133] write(3, "1000", 4 <unfinished ...>
[pid  1135] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1134] <... close resumed>)        = 0
[pid  1133] <... write resumed>)        = 4
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1135] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1134] write(1, "executing program\n", 18 <unfinished ...>
[pid  1133] close(3 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1135] <... prctl resumed>)        = 0
[pid  1134] <... write resumed>)        = 18
[pid  1133] <... close resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1135] setpgid(0, 0 <unfinished ...>
[pid  1134] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1133] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1136 attached
 <unfinished ...>
[pid  1135] <... setpgid resumed>)      = 0
[pid  1134] <... futex resumed>)        = 0
[pid  1133] <... write resumed>)        = 18
[pid  1136] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1134] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1136
[pid  1136] <... set_robust_list resumed>) = 0
[pid  1135] <... openat resumed>)       = 3
[pid  1134] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1133] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1136] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1135] write(3, "1000", 4 <unfinished ...>
[pid  1134] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1133] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1136] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1135] <... write resumed>)        = 4
[pid  1134] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1133] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1136] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1135] close(3 <unfinished ...>
[pid  1134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1133] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1136] <... prctl resumed>)        = 0
[pid  1136] setpgid(0, 0 <unfinished ...>
[pid  1135] <... close resumed>)        = 0
[pid  1134] <... mmap resumed>)         = 0x7fb4de009000
[pid  1133] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1136] <... setpgid resumed>)      = 0
[pid  1135] write(1, "executing program\n", 18 <unfinished ...>
[pid  1134] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1133] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1135] <... write resumed>)        = 18
executing program
[pid  1136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1135] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1134] <... mprotect resumed>)     = 0
[pid  1133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1136] <... openat resumed>)       = 3
[pid  1135] <... futex resumed>)        = 0
[pid  1136] write(3, "1000", 4 <unfinished ...>
[pid  1135] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1133] <... mmap resumed>)         = 0x7fb4de009000
[pid  1136] <... write resumed>)        = 4
[pid  1134] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1136] close(3 <unfinished ...>
[pid  1135] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1134] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1133] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1136] <... close resumed>)        = 0
[pid  1135] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1134] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1136] write(1, "executing program\n", 18 <unfinished ...>
[pid  1135] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1133] <... mprotect resumed>)     = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1137 attached
[pid  1136] <... write resumed>)        = 18
[pid  1135] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1133] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
executing program
[pid  1137] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1136] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1135] <... mmap resumed>)         = 0x7fb4de009000
[pid  1134] <... clone3 resumed> => {parent_tid=[1137]}, 88) = 1137
[pid  1137] <... set_robust_list resumed>) = 0
[pid  1136] <... futex resumed>)        = 0
[pid  1135] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1134] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1133] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1137] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1136] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1135] <... mprotect resumed>)     = 0
[pid  1134] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1133] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1137] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1136] <... rt_sigaction resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1138 attached
[pid  1137] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1136] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1135] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1134] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1138] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1137] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1136] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1135] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1134] <... futex resumed>)        = 0
[pid  1133] <... clone3 resumed> => {parent_tid=[1138]}, 88) = 1138
[pid  1138] <... set_robust_list resumed>) = 0
[pid  1137] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1135] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1134] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1133] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1138] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1137] <... futex resumed>)        = 0
[pid  1136] <... mmap resumed>)         = 0x7fb4de009000
ci2-android-6-12-rust/strace-static-x86_64: Process 1139 attached
[pid  1138] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1137] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1136] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1134] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1133] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1139] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1138] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1136] <... mprotect resumed>)     = 0
[pid  1135] <... clone3 resumed> => {parent_tid=[1139]}, 88) = 1139
[pid  1134] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1133] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1139] <... set_robust_list resumed>) = 0
[pid  1138] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1137] <... futex resumed>)        = 0
[pid  1136] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1135] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1134] <... futex resumed>)        = 1
[pid  1133] <... futex resumed>)        = 0
[pid  1139] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1138] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1139] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1137] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1136] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1135] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1134] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1133] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1139] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1138] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1136] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1135] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1139] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1138] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1137] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
ci2-android-6-12-rust/strace-static-x86_64: Process 1140 attached
[pid  1139] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1138] <... futex resumed>)        = 1
[pid  1137] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1135] <... futex resumed>)        = 0
[pid  1133] <... futex resumed>)        = 0
[pid  1140] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1139] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1138] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1140] <... set_robust_list resumed>) = 0
[pid  1139] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1137] <... futex resumed>)        = 1
[pid  1136] <... clone3 resumed> => {parent_tid=[1140]}, 88) = 1140
[pid  1135] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1134] <... futex resumed>)        = 0
[pid  1133] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1140] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1139] <... futex resumed>)        = 0
[pid  1138] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1137] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1136] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1135] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1134] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1133] <... futex resumed>)        = 0
[pid  1140] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1139] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1138] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1137] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1136] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1135] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1134] <... futex resumed>)        = 0
[pid  1133] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1140] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1139] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1138] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1137] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1136] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1135] <... futex resumed>)        = 0
[pid  1134] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1140] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1139] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1138] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1137] <... openat resumed>)       = 3
[pid  1136] <... futex resumed>)        = 0
[pid  1135] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1139] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1138] <... futex resumed>)        = 1
[pid  1133] <... futex resumed>)        = 0
[pid  1139] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1138] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1136] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1133] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1137] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1140] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1139] <... futex resumed>)        = 1
[pid  1138] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1137] <... futex resumed>)        = 1
[pid  1135] <... futex resumed>)        = 0
[pid  1134] <... futex resumed>)        = 0
[pid  1133] <... futex resumed>)        = 0
[pid  1140] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1139] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1138] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1137] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1135] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1134] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1133] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1140] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1139] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1138] <... openat resumed>)       = 3
[pid  1137] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1135] <... futex resumed>)        = 0
[pid  1134] <... futex resumed>)        = 0
[pid  1140] <... futex resumed>)        = 1
[pid  1139] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1138] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1137] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1136] <... futex resumed>)        = 0
[pid  1135] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1134] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1140] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1139] <... openat resumed>)       = 3
[pid  1138] <... futex resumed>)        = 1
[pid  1137] <... write resumed>)        = 2
[pid  1136] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1133] <... futex resumed>)        = 0
[pid  1140] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1139] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1138] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1137] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1136] <... futex resumed>)        = 0
[pid  1133] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1140] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1139] <... futex resumed>)        = 1
[pid  1138] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1137] <... futex resumed>)        = 1
[pid  1136] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1135] <... futex resumed>)        = 0
[pid  1134] <... futex resumed>)        = 0
[pid  1140] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1139] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1138] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1137] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1135] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1134] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1133] <... futex resumed>)        = 0
[pid  1140] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1139] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1138] <... write resumed>)        = 2
[pid  1137] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1135] <... futex resumed>)        = 0
[pid  1134] <... futex resumed>)        = 0
[pid  1133] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1140] <... futex resumed>)        = 1
[pid  1139] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1138] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1137] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1136] <... futex resumed>)        = 0
[pid  1135] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1134] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1140] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1139] <... write resumed>)        = 2
[pid  1138] <... futex resumed>)        = 1
[pid  1137] <... openat resumed>)       = 4
[pid  1136] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1133] <... futex resumed>)        = 0
[pid  1140] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1139] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1138] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1140] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1139] <... futex resumed>)        = 1
[pid  1138] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1137] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1136] <... futex resumed>)        = 0
[pid  1135] <... futex resumed>)        = 0
[pid  1133] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1140] <... openat resumed>)       = 3
[pid  1139] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1138] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1137] <... futex resumed>)        = 1
[pid  1136] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1135] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1134] <... futex resumed>)        = 0
[pid  1133] <... futex resumed>)        = 0
[pid  1140] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1139] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1138] <... openat resumed>)       = 4
[pid  1137] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1136] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1135] <... futex resumed>)        = 0
[pid  1133] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1140] <... futex resumed>)        = 0
[pid  1139] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1138] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1136] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1135] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1134] exit_group(0 <unfinished ...>
[pid  1133] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1140] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1139] <... openat resumed>)       = 4
[pid  1138] <... futex resumed>)        = 0
[pid  1136] <... futex resumed>)        = 0
[pid  1140] <... write resumed>)        = 2
[pid  1139] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1138] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1137] <... futex resumed>)        = ?
[pid  1136] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1134] <... exit_group resumed>)   = ?
[pid  1133] exit_group(0 <unfinished ...>
[pid  1140] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1139] <... futex resumed>)        = 1
[pid  1137] +++ exited with 0 +++
[pid  1135] <... futex resumed>)        = 0
[pid  1136] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1136] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1134] +++ exited with 0 +++
[pid  1140] <... futex resumed>)        = 0
[pid  1139] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1138] <... futex resumed>)        = ?
[pid  1136] <... futex resumed>)        = 0
[pid  1135] exit_group(0 <unfinished ...>
[pid  1133] <... exit_group resumed>)   = ?
[pid  1140] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1139] <... futex resumed>)        = ?
[pid  1138] +++ exited with 0 +++
[pid  1136] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1135] <... exit_group resumed>)   = ?
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1134, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1140] <... openat resumed>)       = 4
[pid  1133] +++ exited with 0 +++
[pid  1139] +++ exited with 0 +++
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1141 attached
 <unfinished ...>
[pid  1140] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1135] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1133, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1135, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1141] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1140] <... futex resumed>)        = 1
[pid  1136] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1141] <... set_robust_list resumed>) = 0
[pid  1140] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1136] exit_group(0 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1141
[pid  1141] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1136] <... exit_group resumed>)   = ?
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1141] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1140] <... futex resumed>)        = ?
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1140] +++ exited with 0 +++
[pid  1136] +++ exited with 0 +++
[pid  1141] setpgid(0, 0 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1136, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1141] <... setpgid resumed>)      = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1141] write(3, "1000", 4)         = 4
[pid   314] <... restart_syscall resumed>) = 0
[pid  1141] close(3)                    = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1141] write(1, "executing program\n", 18 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1142 attached
 <unfinished ...>
[pid  1141] <... write resumed>)        = 18
executing program
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1142] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1141] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1142
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1142] <... set_robust_list resumed>) = 0
[pid  1141] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1142] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1141] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1143 attached
[pid  1142] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1141] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1143
[pid  1143] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1142] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1141] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1143] <... set_robust_list resumed>) = 0
[pid  1142] <... prctl resumed>)        = 0
[pid  1141] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1143] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1142] setpgid(0, 0 <unfinished ...>
[pid  1141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1143] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1142] <... setpgid resumed>)      = 0
[pid  1141] <... mmap resumed>)         = 0x7fb4de009000
[pid  1141] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1143] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1143] <... prctl resumed>)        = 0
[pid  1143] setpgid(0, 0 <unfinished ...>
[pid  1142] <... openat resumed>)       = 3
[pid  1141] <... mprotect resumed>)     = 0
[pid  1143] <... setpgid resumed>)      = 0
[pid  1142] write(3, "1000", 4 <unfinished ...>
[pid  1141] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1142] <... write resumed>)        = 4
[pid  1141] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1143] <... openat resumed>)       = 3
[pid  1142] close(3 <unfinished ...>
[pid  1141] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1144 attached
 <unfinished ...>
[pid  1143] write(3, "1000", 4 <unfinished ...>
[pid  1142] <... close resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1144] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1143] <... write resumed>)        = 4
[pid  1142] write(1, "executing program\n", 18 <unfinished ...>
[pid  1144] <... set_robust_list resumed>) = 0
[pid  1143] close(3 <unfinished ...>
[pid  1142] <... write resumed>)        = 18
[pid  1141] <... clone3 resumed> => {parent_tid=[1144]}, 88) = 1144
executing program
[pid  1144] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1143] <... close resumed>)        = 0
[pid  1142] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1141] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1144] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1143] write(1, "executing program\n", 18 <unfinished ...>
[pid  1142] <... futex resumed>)        = 0
[pid  1144] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1143] <... write resumed>)        = 18
[pid  1142] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1143] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1142] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1143] <... futex resumed>)        = 0
[pid  1142] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1143] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1142] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1143] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1142] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
executing program
[pid  1143] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1142] <... mmap resumed>)         = 0x7fb4de009000
[pid  1141] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1143] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1142] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1141] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1145 attached
 <unfinished ...>
[pid  1144] <... futex resumed>)        = 0
[pid  1143] <... mmap resumed>)         = 0x7fb4de009000
[pid  1142] <... mprotect resumed>)     = 0
[pid  1141] <... futex resumed>)        = 1
[pid  1144] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1143] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1142] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1141] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1145
[pid  1145] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1144] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1143] <... mprotect resumed>)     = 0
[pid  1142] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1145] <... set_robust_list resumed>) = 0
[pid  1144] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1145] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1144] <... futex resumed>)        = 1
[pid  1143] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1142] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1141] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1146 attached
 <unfinished ...>
[pid  1145] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1144] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1143] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1141] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1146] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1145] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1144] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1143] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1142] <... clone3 resumed> => {parent_tid=[1146]}, 88) = 1146
[pid  1141] <... futex resumed>)        = 0
[pid  1146] <... set_robust_list resumed>) = 0
[pid  1145] <... prctl resumed>)        = 0
[pid  1144] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1142] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1146] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1145] setpgid(0, 0ci2-android-6-12-rust/strace-static-x86_64: Process 1147 attached
 <unfinished ...>
[pid  1146] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1145] <... setpgid resumed>)      = 0
[pid  1144] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1143] <... clone3 resumed> => {parent_tid=[1147]}, 88) = 1147
[pid  1142] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1141] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1147] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1146] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1144] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1143] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1142] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1147] <... set_robust_list resumed>) = 0
[pid  1146] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1145] <... openat resumed>)       = 3
[pid  1144] <... futex resumed>)        = 1
[pid  1143] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1142] <... futex resumed>)        = 0
[pid  1141] <... futex resumed>)        = 0
[pid  1147] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1144] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1143] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1142] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1141] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1147] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1146] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1145] write(3, "1000", 4 <unfinished ...>
[pid  1144] <... openat resumed>)       = 3
[pid  1143] <... futex resumed>)        = 0
[pid  1141] <... futex resumed>)        = 0
[pid  1147] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1145] <... write resumed>)        = 4
[pid  1141] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1143] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1146] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1145] close(3 <unfinished ...>
[pid  1144] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1141] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1147] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1146] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1145] <... close resumed>)        = 0
[pid  1144] <... futex resumed>)        = 0
[pid  1141] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1147] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1146] <... futex resumed>)        = 1
[pid  1145] write(1, "executing program\n", 18 <unfinished ...>
[pid  1144] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1142] <... futex resumed>)        = 0
[pid  1141] <... futex resumed>)        = 0
executing program
[pid  1146] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1147] <... futex resumed>)        = 1
[pid  1145] <... write resumed>)        = 18
[pid  1144] <... write resumed>)        = 2
[pid  1143] <... futex resumed>)        = 0
[pid  1142] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1141] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1147] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1145] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1144] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1143] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1146] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1142] <... futex resumed>)        = 0
[pid  1141] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1147] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1146] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1145] <... futex resumed>)        = 0
[pid  1144] <... futex resumed>)        = 0
[pid  1143] <... futex resumed>)        = 0
[pid  1142] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1141] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1147] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1146] <... futex resumed>)        = 0
[pid  1145] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1144] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1143] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1142] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1141] <... futex resumed>)        = 0
[pid  1147] <... futex resumed>)        = 0
[pid  1146] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1145] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1144] <... openat resumed>)       = 4
[pid  1143] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1142] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1141] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1147] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1146] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1145] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1144] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1143] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1142] <... futex resumed>)        = 0
[pid  1141] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1147] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1146] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1145] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1144] <... futex resumed>)        = 0
[pid  1143] <... futex resumed>)        = 0
[pid  1142] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1141] exit_group(0 <unfinished ...>
[pid  1147] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1146] <... openat resumed>)       = 3
[pid  1145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1143] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1141] <... exit_group resumed>)   = ?
[pid  1147] <... openat resumed>)       = 3
[pid  1146] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1145] <... mmap resumed>)         = 0x7fb4de009000
[pid  1144] +++ exited with 0 +++
[pid  1141] +++ exited with 0 +++
[pid  1147] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1146] <... futex resumed>)        = 1
[pid  1145] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1142] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1141, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1147] <... futex resumed>)        = 1
[pid  1146] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1145] <... mprotect resumed>)     = 0
[pid  1143] <... futex resumed>)        = 0
[pid  1142] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1147] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1146] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1143] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1147] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1146] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1145] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1143] <... futex resumed>)        = 0
[pid  1142] <... futex resumed>)        = 0
[pid  1147] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1146] <... write resumed>)        = 2
[pid  1145] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1143] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1142] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1147] <... write resumed>)        = 2
[pid  1146] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1145] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1142] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1147] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1146] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1148 attached
[pid  1147] <... futex resumed>)        = 1
[pid  1146] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1143] <... futex resumed>)        = 0
[pid  1142] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1148] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1147] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1146] <... openat resumed>)       = 4
[pid  1145] <... clone3 resumed> => {parent_tid=[1148]}, 88) = 1148
[pid  1143] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1142] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  1148] <... set_robust_list resumed>) = 0
[pid  1147] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1146] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1145] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1143] <... futex resumed>)        = 0
[pid  1142] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1148] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1147] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1146] <... futex resumed>)        = 0
[pid  1145] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1143] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1142] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1148] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1147] <... openat resumed>)       = 4
[pid  1146] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1148] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1147] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1145] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1142] exit_group(0 <unfinished ...>
[pid  1148] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1147] <... futex resumed>)        = 1
[pid  1146] <... futex resumed>)        = ?
[pid  1145] <... futex resumed>)        = 0
[pid  1143] <... futex resumed>)        = 0
[pid  1142] <... exit_group resumed>)   = ?
[pid  1148] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1146] +++ exited with 0 +++
[pid  1145] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1147] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1143] exit_group(0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1149 attached
 <unfinished ...>
[pid  1142] +++ exited with 0 +++
[pid  1149] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1148] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1149
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1142, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1149] <... set_robust_list resumed>) = 0
[pid  1148] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1147] <... futex resumed>)        = ?
[pid  1145] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1143] <... exit_group resumed>)   = ?
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1149] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1147] +++ exited with 0 +++
[pid  1145] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  1149] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1148] <... futex resumed>)        = 0
[pid  1145] <... futex resumed>)        = 1
[pid  1149] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1148] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1149] <... prctl resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1149] setpgid(0, 0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1149] <... setpgid resumed>)      = 0
[pid  1148] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1145] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1148] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1143] +++ exited with 0 +++
[pid  1148] <... futex resumed>)        = 1
[pid  1145] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1150
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1143, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 1150 attached
[pid  1149] <... openat resumed>)       = 3
[pid  1148] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1145] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1149] write(3, "1000", 4 <unfinished ...>
[pid  1148] <... openat resumed>)       = 3
[pid  1145] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1149] <... write resumed>)        = 4
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1149] close(3 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1150] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1149] <... close resumed>)        = 0
[pid  1148] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1145] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1150] <... set_robust_list resumed>) = 0
[pid  1149] write(1, "executing program\n", 18 <unfinished ...>
[pid  1148] <... futex resumed>)        = 0
[pid  1145] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 1151 attached
[pid  1149] <... write resumed>)        = 18
[pid  1148] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1145] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1150] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1148] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1145] <... futex resumed>)        = 0
executing program
[pid  1151] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1150] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1148] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1145] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1151] <... set_robust_list resumed>) = 0
[pid  1148] <... write resumed>)        = 2
[pid  1149] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1148] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1151
[pid  1151] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1149] <... futex resumed>)        = 0
[pid  1148] <... futex resumed>)        = 1
[pid  1145] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1151] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1150] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1149] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1148] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1145] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1149] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1145] <... futex resumed>)        = 0
[pid  1149] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1150] <... prctl resumed>)        = 0
[pid  1148] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1145] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1150] setpgid(0, 0 <unfinished ...>
[pid  1149] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1148] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1151] setpgid(0, 0 <unfinished ...>
[pid  1150] <... setpgid resumed>)      = 0
[pid  1149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1151] <... setpgid resumed>)      = 0
[pid  1149] <... mmap resumed>)         = 0x7fb4de009000
[pid  1148] <... openat resumed>)       = 4
[pid  1151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1149] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1148] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1151] <... openat resumed>)       = 3
[pid  1150] <... openat resumed>)       = 3
[pid  1149] <... mprotect resumed>)     = 0
[pid  1148] <... futex resumed>)        = 1
[pid  1145] <... futex resumed>)        = 0
[pid  1151] write(3, "1000", 4 <unfinished ...>
[pid  1150] write(3, "1000", 4 <unfinished ...>
[pid  1149] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1148] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1151] <... write resumed>)        = 4
[pid  1150] <... write resumed>)        = 4
[pid  1145] exit_group(0 <unfinished ...>
[pid  1151] close(3 <unfinished ...>
[pid  1150] close(3 <unfinished ...>
[pid  1145] <... exit_group resumed>)   = ?
[pid  1148] <... futex resumed>)        = ?
[pid  1151] <... close resumed>)        = 0
[pid  1150] <... close resumed>)        = 0
[pid  1149] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1149] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1152 attached
 <unfinished ...>
[pid  1151] write(1, "executing program\n", 18 <unfinished ...>
[pid  1150] write(1, "executing program\n", 18 <unfinished ...>
[pid  1152] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1151] <... write resumed>)        = 18
[pid  1150] <... write resumed>)        = 18
[pid  1148] +++ exited with 0 +++
[pid  1145] +++ exited with 0 +++
[pid  1150] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1145, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1152] <... set_robust_list resumed>) = 0
[pid  1151] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1150] <... futex resumed>)        = 0
[pid  1152] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1151] <... futex resumed>)        = 0
[pid  1150] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1149] <... clone3 resumed> => {parent_tid=[1152]}, 88) = 1152
[pid  1152] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1151] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1150] <... rt_sigaction resumed>, NULL, 8) = 0
executing program
executing program
[pid  1149] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1152] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1151] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1150] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1149] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1151] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1150] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1149] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1152] <... futex resumed>)        = 0
[pid  1151] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1149] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 1153 attached
[pid  1152] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1150] <... mmap resumed>)         = 0x7fb4de009000
[pid  1149] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1153] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1152] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1151] <... mmap resumed>)         = 0x7fb4de009000
[pid  1150] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1153] <... set_robust_list resumed>) = 0
[pid  1152] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1151] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1150] <... mprotect resumed>)     = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1153
[pid  1153] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1152] <... futex resumed>)        = 1
[pid  1151] <... mprotect resumed>)     = 0
[pid  1150] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1149] <... futex resumed>)        = 0
[pid  1153] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1152] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1151] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1150] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1149] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1153] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1152] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1151] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1150] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1149] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1154 attached
[pid  1153] <... prctl resumed>)        = 0
[pid  1152] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1151] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1149] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1153] setpgid(0, 0 <unfinished ...>
[pid  1154] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1153] <... setpgid resumed>)      = 0
[pid  1152] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1154] <... set_robust_list resumed>) = 0
[pid  1150] <... clone3 resumed> => {parent_tid=[1154]}, 88) = 1154
[pid  1154] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1152] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1151] <... clone3 resumed> => {parent_tid=[1155]}, 88) = 1155
[pid  1150] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1154] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1155 attached
[pid  1154] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1153] <... openat resumed>)       = 3
[pid  1152] <... futex resumed>)        = 1
[pid  1151] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1150] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1149] <... futex resumed>)        = 0
[pid  1155] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1153] write(3, "1000", 4 <unfinished ...>
[pid  1152] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1151] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1150] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1149] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1155] <... set_robust_list resumed>) = 0
[pid  1154] <... futex resumed>)        = 0
[pid  1153] <... write resumed>)        = 4
[pid  1152] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1151] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1150] <... futex resumed>)        = 1
[pid  1149] <... futex resumed>)        = 0
[pid  1154] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1153] close(3 <unfinished ...>
[pid  1152] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1151] <... futex resumed>)        = 0
[pid  1155] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1150] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1149] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1155] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1154] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1153] <... close resumed>)        = 0
[pid  1152] <... openat resumed>)       = 3
[pid  1151] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1155] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1154] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1152] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1154] <... futex resumed>)        = 1
[pid  1153] write(1, "executing program\n", 18 <unfinished ...>
[pid  1150] <... futex resumed>)        = 0
[pid  1155] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1152] <... futex resumed>)        = 1
[pid  1149] <... futex resumed>)        = 0
[pid  1155] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1154] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1153] <... write resumed>)        = 18
[pid  1152] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1150] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1149] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1155] <... futex resumed>)        = 1
[pid  1154] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1153] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1152] <... write resumed>)        = 2
[pid  1151] <... futex resumed>)        = 0
[pid  1150] <... futex resumed>)        = 0
[pid  1149] <... futex resumed>)        = 0
[pid  1155] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1154] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1153] <... futex resumed>)        = 0
[pid  1152] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1151] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1150] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1149] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1155] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1153] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1152] <... futex resumed>)        = 0
[pid  1151] <... futex resumed>)        = 0
[pid  1152] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1155] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1151] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1153] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1154] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1153] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1155] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1154] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1153] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1155] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1154] <... futex resumed>)        = 1
[pid  1153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1150] <... futex resumed>)        = 0
[pid  1155] <... futex resumed>)        = 1
[pid  1154] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1151] <... futex resumed>)        = 0
[pid  1150] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1155] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1154] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1153] <... mmap resumed>)         = 0x7fb4de009000
[pid  1151] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1150] <... futex resumed>)        = 0
[pid  1155] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1154] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1153] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1151] <... futex resumed>)        = 0
[pid  1150] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1155] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1154] <... openat resumed>)       = 3
[pid  1153] <... mprotect resumed>)     = 0
[pid  1151] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1155] <... openat resumed>)       = 3
[pid  1154] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1155] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1154] <... futex resumed>)        = 1
[pid  1153] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1151] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1150] <... futex resumed>)        = 0
[pid  1149] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1155] <... futex resumed>)        = 0
[pid  1154] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1153] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1151] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1150] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1149] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1155] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1154] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1153] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1152] <... futex resumed>)        = 0
[pid  1149] <... futex resumed>)        = 1
[pid  1155] <... write resumed>)        = 2
[pid  1152] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1151] <... futex resumed>)        = 0
[pid  1150] <... futex resumed>)        = 0
[pid  1149] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1156 attached
 <unfinished ...>
[pid  1155] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1154] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1152] <... openat resumed>)       = 4
[pid  1151] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1150] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1156] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1155] <... futex resumed>)        = 0
[pid  1154] <... write resumed>)        = 2
[pid  1153] <... clone3 resumed> => {parent_tid=[1156]}, 88) = 1156
[pid  1152] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1151] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1156] <... set_robust_list resumed>) = 0
[pid  1155] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1154] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1153] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1151] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1156] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1155] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1154] <... futex resumed>)        = 1
[pid  1153] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1151] <... futex resumed>)        = 0
[pid  1150] <... futex resumed>)        = 0
[pid  1156] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1155] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1154] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1153] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1151] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1150] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1156] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  1155] <... openat resumed>)       = 4
[pid  1154] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1153] <... futex resumed>)        = 0
[pid  1152] <... futex resumed>)        = 1
[pid  1150] <... futex resumed>)        = 0
[pid  1149] <... futex resumed>)        = 0
[pid  1156] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1155] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1154] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1153] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1152] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1150] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1149] exit_group(0 <unfinished ...>
[pid  1156] <... futex resumed>)        = 0
[pid  1155] <... futex resumed>)        = 1
[pid  1154] <... openat resumed>)       = 4
[pid  1153] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1152] <... futex resumed>)        = ?
[pid  1151] <... futex resumed>)        = 0
[pid  1149] <... exit_group resumed>)   = ?
[pid  1156] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1155] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1154] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1153] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1152] +++ exited with 0 +++
[pid  1151] exit_group(0 <unfinished ...>
[pid  1149] +++ exited with 0 +++
[pid  1156] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1155] <... futex resumed>)        = ?
[pid  1154] <... futex resumed>)        = 1
[pid  1153] <... futex resumed>)        = 0
[pid  1151] <... exit_group resumed>)   = ?
[pid  1150] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1149, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1156] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1155] +++ exited with 0 +++
[pid  1154] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1153] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1150] exit_group(0 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1156] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1150] <... exit_group resumed>)   = ?
[pid  1154] <... futex resumed>)        = ?
[pid  1156] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1154] +++ exited with 0 +++
[pid  1151] +++ exited with 0 +++
[pid  1150] +++ exited with 0 +++
[pid  1156] <... futex resumed>)        = 1
[pid  1153] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1150, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1151, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1156] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1153] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1156] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1153] <... futex resumed>)        = 0
[pid  1156] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1153] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1156] <... openat resumed>)       = 3
[pid  1156] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1153] <... futex resumed>)        = 0
[pid  1156] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1153] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1156] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1153] <... futex resumed>)        = 0
[pid  1156] write(3, "\x38\x00", 2)     = 2
[pid  1153] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1156] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1153] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1156] <... futex resumed>)        = 0
[pid  1153] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1156] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1153] <... futex resumed>)        = 0
[pid  1156] <... openat resumed>)       = 4
[pid  1153] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1156] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1153] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1156] <... futex resumed>)        = 0
[pid  1153] exit_group(0 <unfinished ...>
[pid  1156] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1153] <... exit_group resumed>)   = ?
[pid  1156] <... futex resumed>)        = ?
[pid  1156] +++ exited with 0 +++
[pid  1153] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1153, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1157 attached
 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1157
[pid  1157] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1158 attached
[pid  1157] <... set_robust_list resumed>) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1157] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1158
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1158] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1157] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1158] <... set_robust_list resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1159 attached
 <unfinished ...>
[pid  1158] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1157] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1157] <... prctl resumed>)        = 0
[pid  1158] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1158] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1157] setpgid(0, 0)               = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1159] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1158] <... prctl resumed>)        = 0
[pid  1157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-12-rust/strace-static-x86_64: Process 1160 attached
 <unfinished ...>
[pid  1159] <... set_robust_list resumed>) = 0
[pid  1158] setpgid(0, 0 <unfinished ...>
[pid  1157] <... openat resumed>)       = 3
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1159
[pid  1158] <... setpgid resumed>)      = 0
[pid  1159] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1160] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1159] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1160] <... set_robust_list resumed>) = 0
[pid  1159] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1158] <... openat resumed>)       = 3
[pid  1157] write(3, "1000", 4 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1158] write(3, "1000", 4 <unfinished ...>
[pid  1157] <... write resumed>)        = 4
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1160
[pid  1158] <... write resumed>)        = 4
[pid  1157] close(3 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1160] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1159] <... prctl resumed>)        = 0
[pid  1158] close(3 <unfinished ...>
[pid  1157] <... close resumed>)        = 0
[pid  1160] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1159] setpgid(0, 0 <unfinished ...>
[pid  1158] <... close resumed>)        = 0
[pid  1157] write(1, "executing program\n", 18 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1160] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1158] write(1, "executing program\n", 18 <unfinished ...>
[pid  1157] <... write resumed>)        = 18
executing program
executing program
[pid  1160] <... prctl resumed>)        = 0
[pid  1159] <... setpgid resumed>)      = 0
[pid  1158] <... write resumed>)        = 18
[pid  1157] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1160] setpgid(0, 0 <unfinished ...>
[pid  1159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1158] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1157] <... futex resumed>)        = 0
[pid  1160] <... setpgid resumed>)      = 0
[pid  1157] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1158] <... futex resumed>)        = 0
[pid  1157] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1159] <... openat resumed>)       = 3
[pid  1158] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1157] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1158] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1158] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1157] <... mmap resumed>)         = 0x7fb4de009000
[pid  1158] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1157] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1157] <... mprotect resumed>)     = 0
[pid  1160] <... openat resumed>)       = 3
[pid  1159] write(3, "1000", 4 <unfinished ...>
[pid  1158] <... mmap resumed>)         = 0x7fb4de009000
[pid  1160] write(3, "1000", 4 <unfinished ...>
[pid  1159] <... write resumed>)        = 4
[pid  1160] <... write resumed>)        = 4
[pid  1159] close(3 <unfinished ...>
[pid  1160] close(3)                    = 0
[pid  1159] <... close resumed>)        = 0
[pid  1158] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1157] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1160] write(1, "executing program\n", 18 <unfinished ...>
[pid  1159] write(1, "executing program\n", 18 <unfinished ...>
[pid  1158] <... mprotect resumed>)     = 0
executing program
executing program
[pid  1160] <... write resumed>)        = 18
[pid  1159] <... write resumed>)        = 18
[pid  1158] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1157] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1158] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1157] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1161 attached
 <unfinished ...>
[pid  1160] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1159] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1158] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1161] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1160] <... futex resumed>)        = 0
[pid  1159] <... futex resumed>)        = 0
[pid  1157] <... clone3 resumed> => {parent_tid=[1161]}, 88) = 1161
[pid  1158] <... clone3 resumed> => {parent_tid=[1162]}, 88) = 1162
[pid  1157] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1158] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1157] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1158] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1157] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1158] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1157] <... futex resumed>)        = 0
[pid  1158] <... futex resumed>)        = 0
[pid  1157] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1158] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1162 attached
 <unfinished ...>
[pid  1162] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1161] <... set_robust_list resumed>) = 0
[pid  1160] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1159] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1161] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1160] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1161] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1160] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1159] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1162] <... set_robust_list resumed>) = 0
[pid  1160] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1159] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1162] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1162] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1161] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1159] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1162] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1160] <... mmap resumed>)         = 0x7fb4de009000
[pid  1161] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1162] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1161] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1160] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1159] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1162] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1161] <... futex resumed>)        = 1
[pid  1157] <... futex resumed>)        = 0
[pid  1162] <... futex resumed>)        = 1
[pid  1161] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1160] <... mprotect resumed>)     = 0
[pid  1159] <... mmap resumed>)         = 0x7fb4de009000
[pid  1158] <... futex resumed>)        = 0
[pid  1157] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1162] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1159] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1158] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1157] <... futex resumed>)        = 0
[pid  1162] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1161] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1160] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1158] <... futex resumed>)        = 0
[pid  1157] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1159] <... mprotect resumed>)     = 0
[pid  1162] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1161] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1160] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1158] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1157] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1162] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1161] <... futex resumed>)        = 0
[pid  1160] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1159] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1157] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1162] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1157] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1163 attached
[pid  1162] <... futex resumed>)        = 1
[pid  1159] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1158] <... futex resumed>)        = 0
[pid  1157] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1163] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1162] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1160] <... clone3 resumed> => {parent_tid=[1163]}, 88) = 1163
[pid  1158] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1163] <... set_robust_list resumed>) = 0
[pid  1162] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1161] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1160] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1159] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1158] <... futex resumed>)        = 0
[pid  1163] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1162] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1161] <... openat resumed>)       = 3
[pid  1160] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1158] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1164 attached
 <unfinished ...>
[pid  1161] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1160] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1159] <... clone3 resumed> => {parent_tid=[1164]}, 88) = 1164
[pid  1164] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1161] <... futex resumed>)        = 1
[pid  1159] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1164] <... set_robust_list resumed>) = 0
[pid  1161] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1159] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1160] <... futex resumed>)        = 0
[pid  1164] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1159] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1164] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1160] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1159] <... futex resumed>)        = 0
[pid  1164] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1163] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1162] <... openat resumed>)       = 3
[pid  1159] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1157] <... futex resumed>)        = 0
[pid  1164] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1163] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1162] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1157] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1164] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1163] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1162] <... futex resumed>)        = 1
[pid  1161] <... futex resumed>)        = 0
[pid  1158] <... futex resumed>)        = 0
[pid  1157] <... futex resumed>)        = 1
[pid  1164] <... futex resumed>)        = 1
[pid  1163] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1162] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1161] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1159] <... futex resumed>)        = 0
[pid  1158] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1157] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1164] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1163] <... futex resumed>)        = 1
[pid  1162] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1161] <... write resumed>)        = 2
[pid  1160] <... futex resumed>)        = 0
[pid  1158] <... futex resumed>)        = 0
[pid  1159] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1164] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1163] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1162] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1161] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1160] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1159] <... futex resumed>)        = 0
[pid  1158] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1164] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1163] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1162] <... write resumed>)        = 2
[pid  1160] <... futex resumed>)        = 0
[pid  1159] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1163] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1162] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1161] <... futex resumed>)        = 1
[pid  1160] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1157] <... futex resumed>)        = 0
[pid  1164] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1163] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1162] <... futex resumed>)        = 1
[pid  1161] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1158] <... futex resumed>)        = 0
[pid  1157] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1163] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1162] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1161] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1158] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1157] <... futex resumed>)        = 0
[pid  1164] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1163] <... futex resumed>)        = 1
[pid  1162] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1161] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1160] <... futex resumed>)        = 0
[pid  1158] <... futex resumed>)        = 0
[pid  1157] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1164] <... futex resumed>)        = 1
[pid  1163] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1162] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1159] <... futex resumed>)        = 0
[pid  1161] <... openat resumed>)       = 4
[pid  1158] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1164] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1163] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1162] <... openat resumed>)       = 4
[pid  1161] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1160] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1159] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1164] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1163] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1162] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1161] <... futex resumed>)        = 1
[pid  1160] <... futex resumed>)        = 0
[pid  1157] <... futex resumed>)        = 0
[pid  1164] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1163] <... openat resumed>)       = 3
[pid  1162] <... futex resumed>)        = 1
[pid  1161] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1160] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1159] <... futex resumed>)        = 0
[pid  1158] <... futex resumed>)        = 0
[pid  1157] exit_group(0 <unfinished ...>
[pid  1164] <... openat resumed>)       = 3
[pid  1163] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1162] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1161] <... futex resumed>)        = ?
[pid  1160] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1159] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1158] exit_group(0 <unfinished ...>
[pid  1157] <... exit_group resumed>)   = ?
[pid  1164] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1163] <... futex resumed>)        = 0
[pid  1162] <... futex resumed>)        = ?
[pid  1161] +++ exited with 0 +++
[pid  1160] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1159] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1158] <... exit_group resumed>)   = ?
[pid  1157] +++ exited with 0 +++
[pid  1164] <... futex resumed>)        = 0
[pid  1163] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1162] +++ exited with 0 +++
[pid  1160] <... futex resumed>)        = 0
[pid  1159] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1158] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1157, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1164] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1163] <... write resumed>)        = 2
[pid  1160] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1159] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1158, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1164] <... write resumed>)        = 2
[pid  1163] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1160] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1164] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1163] <... futex resumed>)        = 0
[pid  1159] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1164] <... futex resumed>)        = 0
[pid  1163] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1160] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1159] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... restart_syscall resumed>) = 0
[pid  1164] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1160] <... futex resumed>)        = 0
[pid  1159] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1164] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1160] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1159] <... futex resumed>)        = 0
[pid  1164] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1159] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1163] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1164] <... openat resumed>)       = 4
[pid  1163] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1164] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1163] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1164] <... futex resumed>)        = 1
[pid  1163] <... futex resumed>)        = 1
[pid  1160] <... futex resumed>)        = 0
[pid  1159] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1164] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1163] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1160] exit_group(0 <unfinished ...>
[pid  1159] exit_group(0 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1165 attached
 <unfinished ...>
[pid  1164] <... futex resumed>)        = ?
[pid  1163] <... futex resumed>)        = ?
[pid  1160] <... exit_group resumed>)   = ?
[pid  1159] <... exit_group resumed>)   = ?
[pid  1164] +++ exited with 0 +++
[pid  1163] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 1166 attached
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1165
[pid  1165] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1166] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1166] <... set_robust_list resumed>) = 0
[pid  1160] +++ exited with 0 +++
[pid  1166] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1166] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1165] <... set_robust_list resumed>) = 0
[pid  1159] +++ exited with 0 +++
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1166
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1159, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1165] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1166] <... prctl resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1165] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1166] setpgid(0, 0 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1160, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1166] <... setpgid resumed>)      = 0
[pid  1165] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1165] <... prctl resumed>)        = 0
[pid  1166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1165] setpgid(0, 0 <unfinished ...>
[pid  1166] write(3, "1000", 4 <unfinished ...>
[pid  1165] <... setpgid resumed>)      = 0
[pid  1166] <... write resumed>)        = 4
[pid  1166] close(3)                    = 0
[pid  1166] write(1, "executing program\n", 18) = 18
executing program
[pid  1165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1166] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1166] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1165] <... openat resumed>)       = 3
[pid  1166] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1166] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1166] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1165] write(3, "1000", 4 <unfinished ...>
[pid  1166] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1165] <... write resumed>)        = 4
[pid  1166] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1165] close(3 <unfinished ...>
[pid  1166] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1165] <... close resumed>)        = 0
[pid  1165] write(1, "executing program\n", 18ci2-android-6-12-rust/strace-static-x86_64: Process 1167 attached
executing program
 <unfinished ...>
[pid  1166] <... clone3 resumed> => {parent_tid=[1167]}, 88) = 1167
[pid  1165] <... write resumed>)        = 18
[pid  1167] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  1166] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1167] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1166] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1167] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1166] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1165] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1167] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1166] <... futex resumed>)        = 0
[pid  1165] <... futex resumed>)        = 0
[pid  1167] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1166] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1165] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1167] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1166] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1165] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1167] <... futex resumed>)        = 0
[pid  1166] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1165] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1167] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1166] <... futex resumed>)        = 0
[pid  1167] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1166] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1165] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1167] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1166] <... futex resumed>)        = 0
[pid  1165] <... mmap resumed>)         = 0x7fb4de009000
[pid  1167] <... futex resumed>)        = 1
[pid  1166] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1167] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1166] <... futex resumed>)        = 0
[pid  1165] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1167] <... openat resumed>)       = 3
[pid  1166] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1167] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1165] <... mprotect resumed>)     = 0
[pid  1167] <... futex resumed>)        = 1
[pid  1166] <... futex resumed>)        = 0
[pid  1167] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1166] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1167] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1165] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1167] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1166] <... futex resumed>)        = 0
[pid  1165] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1167] <... write resumed>)        = 2
[pid  1166] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1165] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1167] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1166] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1167] <... futex resumed>)        = 0
[pid  1166] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1167] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1166] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1168 attached
[pid  1168] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1167] <... openat resumed>)       = 4
[pid  1166] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1165] <... clone3 resumed> => {parent_tid=[1168]}, 88) = 1168
[pid  1168] <... set_robust_list resumed>) = 0
[pid  1165] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1167] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1166] <... futex resumed>)        = 0
[pid  1168] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1167] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1166] exit_group(0 <unfinished ...>
[pid  1165] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1168] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1167] <... futex resumed>)        = ?
[pid  1166] <... exit_group resumed>)   = ?
[pid  1165] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1168] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1167] +++ exited with 0 +++
[pid  1166] +++ exited with 0 +++
[pid  1165] <... futex resumed>)        = 0
[pid  1168] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1168] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1165] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1166, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1168] <... futex resumed>)        = 0
[pid  1165] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1168] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1165] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1168] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1165] <... futex resumed>)        = 0
[pid  1168] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1165] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1168] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1168] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1165] <... futex resumed>)        = 0
[pid  1168] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  1165] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1168] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  1168] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1168] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
[pid  1165] <... futex resumed>)        = 1
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1165] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1165] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1165] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1168] write(3, "\x38\x00", 2 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1168] <... write resumed>)        = 2
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1170 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1169 attached
 <unfinished ...>
[pid  1168] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1165] <... futex resumed>)        = 0
[pid  1168] <... futex resumed>)        = 0
[pid  1170] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1168] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1170] <... set_robust_list resumed>) = 0
[pid  1169] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1165] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1169
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1170
[pid  1170] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1169] <... set_robust_list resumed>) = 0
[pid  1165] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1170] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1165] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1170] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1169] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1168] <... futex resumed>)        = 0
[pid  1165] <... futex resumed>)        = 1
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1170] <... prctl resumed>)        = 0
[pid  1169] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1168] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1165] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1170] setpgid(0, 0 <unfinished ...>
[pid  1169] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1168] <... openat resumed>)       = 4
[pid  1170] <... setpgid resumed>)      = 0
[pid  1170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1168] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1165] <... futex resumed>)        = 0
[pid  1169] <... prctl resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  1170] <... openat resumed>)       = 3
[pid  1168] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1169] setpgid(0, 0 <unfinished ...>
[pid  1165] exit_group(0 <unfinished ...>
[pid  1169] <... setpgid resumed>)      = 0
[pid  1165] <... exit_group resumed>)   = ?
[pid  1170] write(3, "1000", 4 <unfinished ...>
[pid  1168] <... futex resumed>)        = ?
[pid  1170] <... write resumed>)        = 4
[pid  1168] +++ exited with 0 +++
[pid  1170] close(3 <unfinished ...>
[pid  1169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1170] <... close resumed>)        = 0
[pid  1170] write(1, "executing program\n", 18) = 18
[pid  1169] <... openat resumed>)       = 3
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1170] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1170] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1170] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1170] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1170] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1165] +++ exited with 0 +++
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1170] <... mprotect resumed>)     = 0
[pid  1169] write(3, "1000", 4 <unfinished ...>
executing program
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1165, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1170] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1169] <... write resumed>)        = 4
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 1171 attached
 <unfinished ...>
[pid  1170] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1169] close(3 <unfinished ...>
[pid  1171] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1169] <... close resumed>)        = 0
[pid  1171] <... set_robust_list resumed>) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1171
[pid  1171] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1170] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1169] write(1, "executing program\n", 18ci2-android-6-12-rust/strace-static-x86_64: Process 1172 attached
 <unfinished ...>
[pid  1171] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1172] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1169] <... write resumed>)        = 18
executing program
[pid  1172] <... set_robust_list resumed>) = 0
[pid  1171] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1170] <... clone3 resumed> => {parent_tid=[1172]}, 88) = 1172
[pid  1169] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1170] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1170] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1170] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1172] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1171] <... prctl resumed>)        = 0
[pid  1169] <... futex resumed>)        = 0
[pid  1171] setpgid(0, 0 <unfinished ...>
[pid  1169] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1171] <... setpgid resumed>)      = 0
[pid  1169] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1172] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1172] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1169] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1172] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1172] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1170] <... futex resumed>)        = 0
[pid  1169] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1172] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1170] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1172] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1170] <... futex resumed>)        = 0
[pid  1172] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1170] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1172] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1171] <... openat resumed>)       = 3
[pid  1169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1172] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1170] <... futex resumed>)        = 0
[pid  1171] write(3, "1000", 4 <unfinished ...>
[pid  1169] <... mmap resumed>)         = 0x7fb4de009000
[pid  1171] <... write resumed>)        = 4
[pid  1169] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1171] close(3 <unfinished ...>
[pid  1172] <... futex resumed>)        = 1
[pid  1170] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1169] <... mprotect resumed>)     = 0
[pid  1172] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1171] <... close resumed>)        = 0
[pid  1170] <... futex resumed>)        = 0
[pid  1172] <... openat resumed>)       = 3
[pid  1171] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  1170] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1169] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1172] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1171] <... write resumed>)        = 18
[pid  1170] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1169] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1172] <... futex resumed>)        = 0
[pid  1171] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1170] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1172] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1170] <... futex resumed>)        = 0
[pid  1169] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1172] <... write resumed>)        = 2
[pid  1171] <... futex resumed>)        = 0
[pid  1170] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1172] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1170] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 1173 attached
[pid  1172] <... futex resumed>)        = 0
[pid  1171] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1170] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1173] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1172] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1171] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1170] <... futex resumed>)        = 0
[pid  1173] <... set_robust_list resumed>) = 0
[pid  1172] <... openat resumed>)       = 4
[pid  1171] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1170] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1169] <... clone3 resumed> => {parent_tid=[1173]}, 88) = 1173
[pid  1173] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1171] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1169] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1171] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1169] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1173] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1172] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1171] <... mmap resumed>)         = 0x7fb4de009000
[pid  1169] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1173] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1172] <... futex resumed>)        = 1
[pid  1171] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1170] <... futex resumed>)        = 0
[pid  1169] <... futex resumed>)        = 0
[pid  1173] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1172] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1170] exit_group(0 <unfinished ...>
[pid  1173] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1172] <... futex resumed>)        = ?
[pid  1171] <... mprotect resumed>)     = 0
[pid  1169] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1173] <... futex resumed>)        = 0
[pid  1172] +++ exited with 0 +++
[pid  1170] <... exit_group resumed>)   = ?
[pid  1169] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1173] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1171] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1170] +++ exited with 0 +++
[pid  1169] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1173] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1171] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1169] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1170, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1173] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1173] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1171] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1169] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1173] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1173] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 1174 attached
 <unfinished ...>
[pid  1169] <... futex resumed>)        = 0
[pid  1174] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1171] <... clone3 resumed> => {parent_tid=[1174]}, 88) = 1174
[pid  1169] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1174] <... set_robust_list resumed>) = 0
[pid  1171] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1174] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1173] <... futex resumed>)        = 0
[pid  1171] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1169] <... futex resumed>)        = 1
[pid  1174] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1169] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1174] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1173] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1171] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1174] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1173] <... openat resumed>)       = 3
[pid  1171] <... futex resumed>)        = 0
[pid  1174] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1173] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1171] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1174] <... futex resumed>)        = 0
[pid  1173] <... futex resumed>)        = 1
[pid  1171] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1169] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  1174] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1173] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1171] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1169] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1174] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1173] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1171] <... futex resumed>)        = 0
[pid  1169] <... futex resumed>)        = 0
[pid  1174] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1173] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1171] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1174] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1173] <... write resumed>)        = 2
[pid  1169] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1174] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1173] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1169] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1175 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1176 attached
 <unfinished ...>
[pid  1174] <... futex resumed>)        = 1
[pid  1173] <... futex resumed>)        = 0
[pid  1171] <... futex resumed>)        = 0
[pid  1169] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1174] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1173] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1171] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1169] <... futex resumed>)        = 0
[pid  1176] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1175] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1176] <... set_robust_list resumed>) = 0
[pid  1175] <... set_robust_list resumed>) = 0
[pid  1169] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1174] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1171] <... futex resumed>)        = 0
[pid  1174] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1173] <... openat resumed>)       = 4
[pid  1171] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1175
[pid  1175] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1174] <... openat resumed>)       = 3
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1176
[pid  1176] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1175] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1176] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1175] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1174] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1173] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1176] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1175] <... prctl resumed>)        = 0
[pid  1174] <... futex resumed>)        = 1
[pid  1173] <... futex resumed>)        = 1
[pid  1171] <... futex resumed>)        = 0
[pid  1169] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1176] <... prctl resumed>)        = 0
[pid  1175] setpgid(0, 0 <unfinished ...>
[pid  1174] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1173] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1171] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1169] exit_group(0 <unfinished ...>
[pid  1176] setpgid(0, 0 <unfinished ...>
[pid  1175] <... setpgid resumed>)      = 0
[pid  1174] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1171] <... futex resumed>)        = 0
[pid  1173] <... futex resumed>)        = ?
[pid  1169] <... exit_group resumed>)   = ?
[pid  1176] <... setpgid resumed>)      = 0
[pid  1174] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1173] +++ exited with 0 +++
[pid  1171] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1174] <... write resumed>)        = 2
[pid  1174] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1171] <... futex resumed>)        = 0
[pid  1174] <... futex resumed>)        = 1
[pid  1171] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1174] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1171] <... futex resumed>)        = 0
[pid  1174] <... openat resumed>)       = 4
[pid  1171] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1174] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1171] <... futex resumed>)        = 0
[pid  1171] exit_group(0 <unfinished ...>
[pid  1174] <... futex resumed>)        = ?
[pid  1171] <... exit_group resumed>)   = ?
[pid  1174] +++ exited with 0 +++
[pid  1175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1171] +++ exited with 0 +++
[pid  1176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1169] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1169, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1175] <... openat resumed>)       = 3
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1171, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1175] write(3, "1000", 4 <unfinished ...>
[pid  1176] <... openat resumed>)       = 3
[pid  1175] <... write resumed>)        = 4
[pid  1176] write(3, "1000", 4)         = 4
[pid  1176] close(3)                    = 0
[pid  1176] write(1, "executing program\n", 18) = 18
[pid  1176] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid  1175] close(3 <unfinished ...>
[pid  1176] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1175] <... close resumed>)        = 0
[pid  1176] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1175] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  1176] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1175] <... write resumed>)        = 18
[pid  1176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1176] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1175] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1176] <... mprotect resumed>)     = 0
[pid  1175] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1176] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1175] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1176] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1175] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1177 attached
[pid  1176] <... clone3 resumed> => {parent_tid=[1177]}, 88) = 1177
[pid  1175] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1177] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  1176] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1177] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1176] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1175] <... mmap resumed>)         = 0x7fb4de009000
[pid  1177] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1176] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1175] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1177] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1176] <... futex resumed>)        = 0
[pid  1176] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1177] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1175] <... mprotect resumed>)     = 0
[pid  1177] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1176] <... futex resumed>)        = 0
[pid  1175] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1177] <... futex resumed>)        = 1
[pid  1176] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1175] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1177] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1176] <... futex resumed>)        = 0
[pid  1177] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1176] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1175] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1177] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1178 attached
 <unfinished ...>
[pid  1176] <... futex resumed>)        = 0
[pid  1177] <... futex resumed>)        = 1
[pid  1176] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1175] <... clone3 resumed> => {parent_tid=[1178]}, 88) = 1178
[pid  1178] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1177] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1176] <... futex resumed>)        = 0
[pid  1178] <... set_robust_list resumed>) = 0
[pid  1177] <... openat resumed>)       = 3
[pid  1176] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1175] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1178] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1177] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1175] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1178] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1175] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1178] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1175] <... futex resumed>)        = 0
[pid  1177] <... futex resumed>)        = 1
[pid  1176] <... futex resumed>)        = 0
[pid  1177] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1176] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1175] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1177] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1176] <... futex resumed>)        = 0
[pid  1177] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1176] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1177] <... write resumed>)        = 2
[pid  1177] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1176] <... futex resumed>)        = 0
[pid  1177] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1176] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1177] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1176] <... futex resumed>)        = 0
[pid  1177] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1176] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1178] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1177] <... openat resumed>)       = 4
[pid  1178] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1177] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1175] <... futex resumed>)        = 0
[pid  1178] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1177] <... futex resumed>)        = 1
[pid  1178] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1176] <... futex resumed>)        = 0
[pid  1175] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1178] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1177] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1176] exit_group(0 <unfinished ...>
[pid  1177] <... futex resumed>)        = ?
[pid  1178] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1176] <... exit_group resumed>)   = ?
[pid  1175] <... futex resumed>)        = 0
[pid  1178] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1175] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1178] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1175] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1178] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1175] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1178] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1177] +++ exited with 0 +++
[pid  1176] +++ exited with 0 +++
[pid  1175] <... futex resumed>)        = 0
[pid  1178] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1175] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1178] <... openat resumed>)       = 3
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1176, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1178] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1178] <... futex resumed>)        = 1
[pid  1175] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1178] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1175] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1175] <... futex resumed>)        = 0
[pid  1178] <... write resumed>)        = 2
[pid  1175] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1178] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1175] <... futex resumed>)        = 0
[pid  1178] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1175] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1178] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1175] <... futex resumed>)        = 0
[pid  1178] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid  1175] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1178] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1179 attached
[pid  1178] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1175] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1179] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1175] exit_group(0 <unfinished ...>
[pid  1179] <... set_robust_list resumed>) = 0
[pid  1179] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1175] <... exit_group resumed>)   = ?
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1179
[pid   312] <... restart_syscall resumed>) = 0
[pid  1179] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1178] <... futex resumed>)        = ?
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1179] <... prctl resumed>)        = 0
[pid  1178] +++ exited with 0 +++
[pid  1175] +++ exited with 0 +++
[pid  1179] setpgid(0, 0 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1175, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1179] <... setpgid resumed>)      = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1179] <... openat resumed>)       = 3
[pid  1179] write(3, "1000", 4)         = 4
[pid  1179] close(3)                    = 0
[pid  1179] write(1, "executing program\n", 18) = 18
[pid  1179] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1180 attached
) = 0
executing program
[pid  1180] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1179] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1180] <... set_robust_list resumed>) = 0
[pid  1179] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1180] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1179] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1180
[pid  1180] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1179] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1180] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1180] <... prctl resumed>)        = 0
[pid  1179] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1180] setpgid(0, 0)               = 0
[pid  1179] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1179] <... mprotect resumed>)     = 0
[pid  1180] <... openat resumed>)       = 3
[pid  1179] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1180] write(3, "1000", 4 <unfinished ...>
[pid  1179] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1181 attached
 <unfinished ...>
[pid  1180] <... write resumed>)        = 4
[pid  1180] close(3)                    = 0
[pid  1179] <... clone3 resumed> => {parent_tid=[1182]}, 88) = 1182
ci2-android-6-12-rust/strace-static-x86_64: Process 1182 attached
[pid  1180] write(1, "executing program\n", 18 <unfinished ...>
[pid  1179] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1180] <... write resumed>)        = 18
[pid  1179] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1180] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1181] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1179] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1182] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1181] <... set_robust_list resumed>) = 0
[pid  1180] <... futex resumed>)        = 0
[pid  1179] <... futex resumed>)        = 0
[pid  1182] <... set_robust_list resumed>) = 0
[pid  1181] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1180] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1179] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1181
[pid  1182] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1181] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1180] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1182] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1180] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1180] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1182] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1180] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1182] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1180] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1182] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1180] <... mprotect resumed>)     = 0
[pid  1180] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1180] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1181] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1182] <... futex resumed>)        = 1
[pid  1179] <... futex resumed>)        = 0
[pid  1181] <... prctl resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1183 attached
[pid  1182] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1181] setpgid(0, 0 <unfinished ...>
[pid  1179] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1180] <... clone3 resumed> => {parent_tid=[1183]}, 88) = 1183
[pid  1179] <... futex resumed>)        = 0
[pid  1183] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1182] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1181] <... setpgid resumed>)      = 0
[pid  1180] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1179] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1183] <... set_robust_list resumed>) = 0
[pid  1182] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1180] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1179] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1183] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1182] <... futex resumed>)        = 0
[pid  1183] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1182] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1181] <... openat resumed>)       = 3
[pid  1183] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1180] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1179] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1180] <... futex resumed>)        = 0
[pid  1179] <... futex resumed>)        = 0
[pid  1180] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1179] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1183] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1182] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1182] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1181] write(3, "1000", 4 <unfinished ...>
[pid  1183] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1182] <... openat resumed>)       = 3
[pid  1181] <... write resumed>)        = 4
[pid  1183] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1181] close(3 <unfinished ...>
[pid  1183] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1181] <... close resumed>)        = 0
[pid  1183] <... futex resumed>)        = 1
[pid  1182] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1181] write(1, "executing program\n", 18 <unfinished ...>
[pid  1180] <... futex resumed>)        = 0
executing program
[pid  1183] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1182] <... futex resumed>)        = 1
[pid  1181] <... write resumed>)        = 18
[pid  1180] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1179] <... futex resumed>)        = 0
[pid  1183] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1182] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1181] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1180] <... futex resumed>)        = 0
[pid  1179] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1183] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1182] <... write resumed>)        = 2
[pid  1181] <... futex resumed>)        = 0
[pid  1180] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1183] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1182] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1181] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1179] <... futex resumed>)        = 0
[pid  1183] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1182] <... futex resumed>)        = 0
[pid  1181] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1179] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  1183] <... futex resumed>)        = 1
[pid  1179] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1182] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1183] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1181] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1180] <... futex resumed>)        = 0
[pid  1179] <... futex resumed>)        = 0
[pid  1181] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1180] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1179] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1182] <... openat resumed>)       = 4
[pid  1182] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1179] <... futex resumed>)        = 0
[pid  1182] <... futex resumed>)        = 1
[pid  1179] exit_group(0 <unfinished ...>
[pid  1180] <... futex resumed>)        = 1
[pid  1183] <... futex resumed>)        = 0
[pid  1181] <... mmap resumed>)         = 0x7fb4de009000
[pid  1180] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1179] <... exit_group resumed>)   = ?
[pid  1183] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1182] +++ exited with 0 +++
[pid  1181] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1179] +++ exited with 0 +++
[pid   314] <... restart_syscall resumed>) = 0
[pid  1183] <... openat resumed>)       = 3
[pid  1183] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1181] <... mprotect resumed>)     = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1179, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1181] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1183] <... futex resumed>)        = 1
[pid  1181] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1180] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1183] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1181] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1180] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1183] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1180] <... futex resumed>)        = 0
[pid  1180] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1184 attached
 <unfinished ...>
[pid  1183] write(3, "\x38\x00", 2)     = 2
[pid  1181] <... clone3 resumed> => {parent_tid=[1184]}, 88) = 1184
[pid  1184] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1183] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1181] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1183] <... futex resumed>)        = 1
[pid  1181] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1180] <... futex resumed>)        = 0
[pid  1184] <... set_robust_list resumed>) = 0
[pid  1183] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1181] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1180] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1185 attached
 <unfinished ...>
[pid  1184] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1183] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1181] <... futex resumed>)        = 0
[pid  1180] <... futex resumed>)        = 0
[pid  1185] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1184] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1183] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1184] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1185] <... set_robust_list resumed>) = 0
[pid  1184] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1183] <... openat resumed>)       = 4
[pid  1181] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1180] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1185
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1184] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1184] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1184] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1183] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1181] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1185] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1183] <... futex resumed>)        = 1
[pid  1180] <... futex resumed>)        = 0
[pid  1183] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1180] exit_group(0 <unfinished ...>
[pid  1183] <... futex resumed>)        = ?
[pid  1180] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 1186 attached
[pid  1185] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1183] +++ exited with 0 +++
[pid  1181] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1186] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1185] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1184] <... futex resumed>)        = 0
[pid  1181] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1180] +++ exited with 0 +++
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1186
[pid  1186] <... set_robust_list resumed>) = 0
[pid  1185] <... prctl resumed>)        = 0
[pid  1184] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1186] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1185] setpgid(0, 0 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1186] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1185] <... setpgid resumed>)      = 0
[pid  1184] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1186] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1180, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1184] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1186] <... prctl resumed>)        = 0
[pid  1186] setpgid(0, 0)               = 0
[pid  1186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1184] <... futex resumed>)        = 1
[pid  1181] <... futex resumed>)        = 0
[pid  1184] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1181] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1184] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1181] <... futex resumed>)        = 0
[pid  1185] <... openat resumed>)       = 3
[pid  1184] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1181] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1186] <... openat resumed>)       = 3
[pid  1185] write(3, "1000", 4 <unfinished ...>
[pid  1184] <... openat resumed>)       = 3
[pid  1186] write(3, "1000", 4)         = 4
[pid  1186] close(3 <unfinished ...>
[pid  1185] <... write resumed>)        = 4
[pid  1186] <... close resumed>)        = 0
[pid  1185] close(3 <unfinished ...>
[pid  1184] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1186] write(1, "executing program\n", 18 <unfinished ...>
[pid  1185] <... close resumed>)        = 0
[pid  1186] <... write resumed>)        = 18
[pid  1184] <... futex resumed>)        = 1
[pid  1181] <... futex resumed>)        = 0
executing program
[pid  1186] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1185] write(1, "executing program\n", 18 <unfinished ...>
[pid  1184] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1181] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1186] <... futex resumed>)        = 0
[pid  1186] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
executing program
[pid  1184] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1185] <... write resumed>)        = 18
[pid  1181] <... futex resumed>)        = 0
[pid  1186] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1184] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1186] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1185] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1181] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1186] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1184] <... write resumed>)        = 2
[pid  1186] <... mmap resumed>)         = 0x7fb4de009000
[pid  1185] <... futex resumed>)        = 0
[pid  1186] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1184] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1186] <... mprotect resumed>)     = 0
[pid  1185] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1184] <... futex resumed>)        = 1
[pid  1181] <... futex resumed>)        = 0
[pid  1185] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1184] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1181] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1186] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1181] <... futex resumed>)        = 0
[pid  1186] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1185] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1184] <... openat resumed>)       = 4
[pid  1186] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1185] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1187 attached
[pid  1187] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1186] <... clone3 resumed> => {parent_tid=[1187]}, 88) = 1187
[pid  1187] <... set_robust_list resumed>) = 0
[pid  1186] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1185] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1184] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1181] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1187] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1186] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1187] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1186] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1185] <... mmap resumed>)         = 0x7fb4de009000
[pid  1184] <... futex resumed>)        = 0
[pid  1181] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1187] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1186] <... futex resumed>)        = 0
[pid  1185] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1184] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1186] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1181] exit_group(0 <unfinished ...>
[pid  1187] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1187] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1185] <... mprotect resumed>)     = 0
[pid  1181] <... exit_group resumed>)   = ?
[pid  1187] <... futex resumed>)        = 1
[pid  1186] <... futex resumed>)        = 0
[pid  1184] <... futex resumed>)        = ?
[pid  1187] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1186] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1187] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1186] <... futex resumed>)        = 0
[pid  1187] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1186] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1184] +++ exited with 0 +++
[pid  1187] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1187] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1187] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1186] <... futex resumed>)        = 0
[pid  1187] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1186] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1187] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1186] <... futex resumed>)        = 0
[pid  1187] <... openat resumed>)       = 3
[pid  1181] +++ exited with 0 +++
[pid  1185] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1181, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1187] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1186] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1187] <... futex resumed>)        = 0
[pid  1186] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1187] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1186] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1187] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1186] <... futex resumed>)        = 0
[pid  1187] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1186] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1187] <... write resumed>)        = 2
[pid  1187] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1185] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1187] <... futex resumed>)        = 1
[pid  1186] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1188 attached
[pid  1187] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1186] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1187] <... openat resumed>)       = 4
[pid  1186] <... futex resumed>)        = 0
[pid  1188] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1185] <... clone3 resumed> => {parent_tid=[1188]}, 88) = 1188
[pid  1188] <... set_robust_list resumed>) = 0
[pid  1185] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1188] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1185] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1188] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1187] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1186] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1185] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1188] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1187] <... futex resumed>)        = 0
[pid  1186] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1187] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1186] exit_group(0 <unfinished ...>
[pid  1185] <... futex resumed>)        = 0
[pid  1187] <... futex resumed>)        = ?
[pid  1186] <... exit_group resumed>)   = ?
[pid  1188] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1187] +++ exited with 0 +++
[pid  1186] +++ exited with 0 +++
[pid  1185] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1186, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1188] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1188] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1185] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1185] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1188] <... futex resumed>)        = 0
[pid  1185] <... futex resumed>)        = 1
[pid  1188] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1185] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1188] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1188] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1185] <... futex resumed>)        = 0
[pid  1185] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1188] <... futex resumed>)        = 1
[pid  1185] <... futex resumed>)        = 0
[pid  1188] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1185] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1188] <... openat resumed>)       = 3
[pid  1188] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1185] <... futex resumed>)        = 0
[pid  1185] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1188] <... futex resumed>)        = 1
[pid  1185] <... futex resumed>)        = 0
[pid  1188] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1185] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1188] <... write resumed>)        = 2
[pid  1188] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1185] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1188] <... futex resumed>)        = 1
[pid  1185] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1188] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1185] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1188] <... openat resumed>)       = 4
[pid  1185] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1188] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1185] <... futex resumed>)        = 0
[pid  1188] <... futex resumed>)        = 1
[pid  1185] exit_group(0 <unfinished ...>
[pid  1188] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid  1185] <... exit_group resumed>)   = ?
[pid  1188] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 1189 attached
[pid  1189] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1185] +++ exited with 0 +++
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1189
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1185, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1189] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1189] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1189] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1190 attached
 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1190
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1189] <... prctl resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1191 attached
[pid  1191] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1190] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1189] setpgid(0, 0)               = 0
[pid  1190] <... set_robust_list resumed>) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1191
[pid  1191] <... set_robust_list resumed>) = 0
[pid  1190] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1191] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1190] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1190] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1191] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1190] <... prctl resumed>)        = 0
[pid  1189] <... openat resumed>)       = 3
[pid  1191] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1190] setpgid(0, 0 <unfinished ...>
[pid  1189] write(3, "1000", 4 <unfinished ...>
[pid  1191] <... prctl resumed>)        = 0
[pid  1190] <... setpgid resumed>)      = 0
[pid  1189] <... write resumed>)        = 4
[pid  1191] setpgid(0, 0 <unfinished ...>
[pid  1189] close(3 <unfinished ...>
[pid  1191] <... setpgid resumed>)      = 0
[pid  1190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1189] <... close resumed>)        = 0
[pid  1189] write(1, "executing program\n", 18 <unfinished ...>
[pid  1191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1189] <... write resumed>)        = 18
[pid  1190] <... openat resumed>)       = 3
[pid  1189] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid  1189] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1189] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1189] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1189] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1191] <... openat resumed>)       = 3
[pid  1190] write(3, "1000", 4 <unfinished ...>
[pid  1191] write(3, "1000", 4 <unfinished ...>
[pid  1190] <... write resumed>)        = 4
[pid  1191] <... write resumed>)        = 4
[pid  1190] close(3 <unfinished ...>
[pid  1191] close(3 <unfinished ...>
[pid  1190] <... close resumed>)        = 0
[pid  1191] <... close resumed>)        = 0
[pid  1190] write(1, "executing program\n", 18 <unfinished ...>
[pid  1191] write(1, "executing program\n", 18 <unfinished ...>
[pid  1189] <... rt_sigprocmask resumed>, [], 8) = 0
executing program
executing program
[pid  1189] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1191] <... write resumed>)        = 18
[pid  1190] <... write resumed>)        = 18
[pid  1189] <... clone3 resumed> => {parent_tid=[1192]}, 88) = 1192
[pid  1191] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1189] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1192 attached
 <unfinished ...>
[pid  1191] <... futex resumed>)        = 0
[pid  1190] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1189] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1191] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1190] <... futex resumed>)        = 0
[pid  1189] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1191] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1190] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1189] <... futex resumed>)        = 0
[pid  1192] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1191] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1190] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1189] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1192] <... set_robust_list resumed>) = 0
[pid  1191] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1190] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1192] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1191] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1190] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1190] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1192] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1191] <... mmap resumed>)         = 0x7fb4de009000
[pid  1190] <... mmap resumed>)         = 0x7fb4de009000
[pid  1190] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1191] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1192] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1191] <... mprotect resumed>)     = 0
[pid  1192] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1190] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1192] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1191] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1190] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1189] <... futex resumed>)        = 0
[pid  1189] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1192] <... futex resumed>)        = 1
[pid  1189] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1192] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1190] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1191] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1192] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1191] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1192] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1194 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1193 attached
) = 1
[pid  1190] <... clone3 resumed> => {parent_tid=[1193]}, 88) = 1193
[pid  1189] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  1194] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1191] <... clone3 resumed> => {parent_tid=[1194]}, 88) = 1194
[pid  1190] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1194] <... set_robust_list resumed>) = 0
[pid  1191] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1190] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1194] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1191] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1190] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1194] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1191] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1190] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1191] <... futex resumed>)        = 0
[pid  1190] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1194] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1191] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1194] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1194] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1193] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1192] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1189] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1195 attached
 <unfinished ...>
[pid  1194] <... futex resumed>)        = 1
[pid  1193] <... set_robust_list resumed>) = 0
[pid  1192] <... openat resumed>)       = 3
[pid  1191] <... futex resumed>)        = 0
[pid  1189] <... futex resumed>)        = 0
[pid  1195] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1194] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1193] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1192] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1191] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1189] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1195
[pid  1195] <... set_robust_list resumed>) = 0
[pid  1194] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1193] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1192] <... futex resumed>)        = 0
[pid  1191] <... futex resumed>)        = 0
[pid  1189] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1195] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1194] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1193] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1192] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1191] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1189] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1195] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1194] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1193] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1192] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1189] <... futex resumed>)        = 0
[pid  1195] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1194] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1193] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1192] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1189] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1195] <... prctl resumed>)        = 0
[pid  1194] <... futex resumed>)        = 1
[pid  1193] <... futex resumed>)        = 1
[pid  1192] <... write resumed>)        = 2
[pid  1191] <... futex resumed>)        = 0
[pid  1190] <... futex resumed>)        = 0
[pid  1195] setpgid(0, 0 <unfinished ...>
[pid  1194] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1193] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1192] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1191] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1190] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1195] <... setpgid resumed>)      = 0
[pid  1194] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1193] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1192] <... futex resumed>)        = 1
[pid  1191] <... futex resumed>)        = 0
[pid  1190] <... futex resumed>)        = 0
[pid  1189] <... futex resumed>)        = 0
[pid  1195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1194] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1193] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1192] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1191] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1190] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1189] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1195] <... openat resumed>)       = 3
[pid  1194] <... openat resumed>)       = 3
[pid  1193] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1192] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1189] <... futex resumed>)        = 0
[pid  1195] write(3, "1000", 4 <unfinished ...>
[pid  1194] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1193] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1192] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1189] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1195] <... write resumed>)        = 4
[pid  1194] <... futex resumed>)        = 1
[pid  1193] <... futex resumed>)        = 1
[pid  1192] <... openat resumed>)       = 4
[pid  1191] <... futex resumed>)        = 0
[pid  1190] <... futex resumed>)        = 0
[pid  1195] close(3 <unfinished ...>
[pid  1194] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1193] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1192] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1195] <... close resumed>)        = 0
[pid  1194] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1193] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1192] <... futex resumed>)        = 1
[pid  1191] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1190] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1189] <... futex resumed>)        = 0
[pid  1195] write(1, "executing program\n", 18 <unfinished ...>
[pid  1194] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1193] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1192] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1191] <... futex resumed>)        = 0
[pid  1190] <... futex resumed>)        = 0
executing program
[pid  1189] exit_group(0 <unfinished ...>
[pid  1195] <... write resumed>)        = 18
[pid  1194] <... write resumed>)        = 2
[pid  1193] <... openat resumed>)       = 3
[pid  1192] <... futex resumed>)        = ?
[pid  1191] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1190] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1189] <... exit_group resumed>)   = ?
[pid  1195] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1194] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1193] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1192] +++ exited with 0 +++
[pid  1191] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1190] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1189] +++ exited with 0 +++
[pid  1195] <... futex resumed>)        = 0
[pid  1194] <... futex resumed>)        = 0
[pid  1193] <... futex resumed>)        = 0
[pid  1193] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1191] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1195] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1194] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1190] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1189, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1191] <... futex resumed>)        = 0
[pid  1191] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1195] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1194] <... openat resumed>)       = 4
[pid  1193] <... futex resumed>)        = 0
[pid  1190] <... futex resumed>)        = 1
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1195] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1194] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1193] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1190] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1195] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1194] <... futex resumed>)        = 1
[pid  1193] <... write resumed>)        = 2
[pid  1191] <... futex resumed>)        = 0
[pid  1195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1194] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1193] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1191] exit_group(0 <unfinished ...>
[pid  1195] <... mmap resumed>)         = 0x7fb4de009000
[pid  1193] <... futex resumed>)        = 1
[pid  1190] <... futex resumed>)        = 0
[pid  1195] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1194] <... futex resumed>)        = ?
[pid  1193] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1191] <... exit_group resumed>)   = ?
[pid  1190] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1195] <... mprotect resumed>)     = 0
[pid  1193] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1190] <... futex resumed>)        = 0
[pid  1193] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1190] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1193] <... openat resumed>)       = 4
[pid  1193] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1190] <... futex resumed>)        = 0
[pid  1193] <... futex resumed>)        = 1
[pid  1193] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1190] exit_group(0 <unfinished ...>
[pid  1193] <... futex resumed>)        = ?
[pid  1193] +++ exited with 0 +++
[pid  1190] <... exit_group resumed>)   = ?
[pid  1194] +++ exited with 0 +++
[pid  1191] +++ exited with 0 +++
[pid  1195] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1195] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1191, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1190] +++ exited with 0 +++
[pid  1195] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1190, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 1196 attached
 <unfinished ...>
[pid  1196] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1195] <... clone3 resumed> => {parent_tid=[1196]}, 88) = 1196
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1196] <... set_robust_list resumed>) = 0
[pid  1195] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1195] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1196] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1196] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1196] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1198 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1197 attached
 <unfinished ...>
[pid  1195] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1197] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1198
[pid  1197] <... set_robust_list resumed>) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1197] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1197] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1199 attached
[pid  1198] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1197] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1196] <... futex resumed>)        = 0
[pid  1195] <... futex resumed>)        = 1
[pid  1199] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1198] <... set_robust_list resumed>) = 0
[pid  1197] <... prctl resumed>)        = 0
[pid  1196] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1197
[pid  1199] <... set_robust_list resumed>) = 0
[pid  1198] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1197] setpgid(0, 0 <unfinished ...>
[pid  1196] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1195] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1199
[pid  1199] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1198] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1197] <... setpgid resumed>)      = 0
[pid  1196] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1195] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1199] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1198] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1196] <... futex resumed>)        = 0
[pid  1195] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1199] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1198] <... prctl resumed>)        = 0
[pid  1196] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1199] <... prctl resumed>)        = 0
[pid  1198] setpgid(0, 0 <unfinished ...>
[pid  1197] <... openat resumed>)       = 3
[pid  1196] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1195] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1199] setpgid(0, 0 <unfinished ...>
[pid  1198] <... setpgid resumed>)      = 0
[pid  1195] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1199] <... setpgid resumed>)      = 0
[pid  1198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1197] write(3, "1000", 4 <unfinished ...>
[pid  1196] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1195] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1198] <... openat resumed>)       = 3
[pid  1197] <... write resumed>)        = 4
[pid  1196] <... futex resumed>)        = 0
[pid  1195] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1199] <... openat resumed>)       = 3
[pid  1197] close(3 <unfinished ...>
[pid  1196] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1195] <... futex resumed>)        = 0
[pid  1199] write(3, "1000", 4 <unfinished ...>
[pid  1198] write(3, "1000", 4 <unfinished ...>
[pid  1197] <... close resumed>)        = 0
[pid  1196] <... openat resumed>)       = 3
[pid  1198] <... write resumed>)        = 4
[pid  1195] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1198] close(3 <unfinished ...>
[pid  1199] <... write resumed>)        = 4
[pid  1198] <... close resumed>)        = 0
[pid  1197] write(1, "executing program\n", 18 <unfinished ...>
[pid  1196] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1199] close(3 <unfinished ...>
[pid  1197] <... write resumed>)        = 18
[pid  1196] <... futex resumed>)        = 1
executing program
[pid  1198] write(1, "executing program\n", 18 <unfinished ...>
[pid  1195] <... futex resumed>)        = 0
[pid  1199] <... close resumed>)        = 0
[pid  1198] <... write resumed>)        = 18
[pid  1197] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1196] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1195] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1199] write(1, "executing program\n", 18 <unfinished ...>
[pid  1198] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1197] <... futex resumed>)        = 0
[pid  1196] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1195] <... futex resumed>)        = 0
[pid  1199] <... write resumed>)        = 18
executing program
[pid  1197] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1196] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1199] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1197] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1196] <... write resumed>)        = 2
[pid  1199] <... futex resumed>)        = 0
[pid  1197] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1196] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1199] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1197] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1196] <... futex resumed>)        = 0
[pid  1199] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1196] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1199] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1197] <... mmap resumed>)         = 0x7fb4de009000
[pid  1199] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1197] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1199] <... mmap resumed>)         = 0x7fb4de009000
[pid  1197] <... mprotect resumed>)     = 0
[pid  1198] <... futex resumed>)        = 0
[pid  1195] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1198] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1199] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1197] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1199] <... mprotect resumed>)     = 0
[pid  1198] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1195] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1198] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1199] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1198] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1197] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1199] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1197] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1195] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1199] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1198] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 1200 attached
 <unfinished ...>
[pid  1197] <... clone3 resumed> => {parent_tid=[1200]}, 88) = 1200
[pid  1196] <... futex resumed>)        = 0
[pid  1195] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 1201 attached
[pid  1200] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1198] <... mmap resumed>)         = 0x7fb4de009000
[pid  1195] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1201] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1200] <... set_robust_list resumed>) = 0
[pid  1198] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1199] <... clone3 resumed> => {parent_tid=[1201]}, 88) = 1201
[pid  1197] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1198] <... mprotect resumed>)     = 0
[pid  1196] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1201] <... set_robust_list resumed>) = 0
[pid  1200] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1199] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1198] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1197] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1196] <... openat resumed>)       = 4
[pid  1201] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1200] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1199] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1198] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1197] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1196] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1201] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1200] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1199] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1198] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1197] <... futex resumed>)        = 0
[pid  1195] <... futex resumed>)        = 0
[pid  1201] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1199] <... futex resumed>)        = 0
[pid  1197] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1196] <... futex resumed>)        = 1
[pid  1195] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 1202 attached
 <unfinished ...>
[pid  1201] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1200] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1199] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1195] <... exit_group resumed>)   = ?
[pid  1202] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1201] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1200] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1199] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1198] <... clone3 resumed> => {parent_tid=[1202]}, 88) = 1202
[pid  1196] +++ exited with 0 +++
[pid  1195] +++ exited with 0 +++
[pid  1202] <... set_robust_list resumed>) = 0
[pid  1201] <... futex resumed>)        = 0
[pid  1200] <... futex resumed>)        = 1
[pid  1199] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1197] <... futex resumed>)        = 0
[pid  1202] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1201] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1200] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1198] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1202] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1199] <... futex resumed>)        = 0
[pid  1198] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1197] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1195, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1202] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1200] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1199] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1198] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1197] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1202] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1200] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1198] <... futex resumed>)        = 0
[pid  1197] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1202] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1201] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1202] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1200] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1198] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1202] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1202] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1201] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1200] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1198] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1201] <... futex resumed>)        = 1
[pid  1199] <... futex resumed>)        = 0
[pid  1201] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1199] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1198] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1201] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1200] <... futex resumed>)        = 1
[pid  1199] <... futex resumed>)        = 0
[pid  1202] <... futex resumed>)        = 0
[pid  1198] <... futex resumed>)        = 1
[pid  1197] <... futex resumed>)        = 0
[pid  1202] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1201] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1200] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1199] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1198] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1197] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1202] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1201] <... openat resumed>)       = 3
[pid  1200] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1197] <... futex resumed>)        = 0
[pid  1202] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1201] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1200] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1197] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1202] <... futex resumed>)        = 1
[pid  1201] <... futex resumed>)        = 1
[pid  1199] <... futex resumed>)        = 0
[pid  1198] <... futex resumed>)        = 0
[pid  1202] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1201] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1200] <... openat resumed>)       = 3
[pid  1199] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1198] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1202] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1201] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1200] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1199] <... futex resumed>)        = 0
[pid  1202] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1201] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1200] <... futex resumed>)        = 1
[pid  1199] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1198] <... futex resumed>)        = 0
[pid  1197] <... futex resumed>)        = 0
[pid  1202] <... openat resumed>)       = 3
[pid  1201] <... write resumed>)        = 2
[pid  1198] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1197] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1200] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1197] <... futex resumed>)        = 0
[pid  1200] <... write resumed>)        = 2
[pid  1197] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1200] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1197] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1200] <... futex resumed>)        = 0
[pid  1197] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1200] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1197] <... futex resumed>)        = 0
[pid  1202] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1201] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1200] <... openat resumed>)       = 4
[pid  1202] <... futex resumed>)        = 1
[pid  1201] <... futex resumed>)        = 1
[pid  1200] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1199] <... futex resumed>)        = 0
[pid  1198] <... futex resumed>)        = 0
[pid  1197] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1202] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1201] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1200] <... futex resumed>)        = 0
[pid  1199] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1198] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1197] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1202] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1201] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1200] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1199] <... futex resumed>)        = 0
[pid  1202] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1201] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1199] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1198] <... futex resumed>)        = 0
[pid  1202] <... write resumed>)        = 2
[pid  1201] <... openat resumed>)       = 4
[pid  1198] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1197] exit_group(0 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1202] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1201] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1200] <... futex resumed>)        = ?
[pid  1198] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1197] <... exit_group resumed>)   = ?
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1202] <... futex resumed>)        = 0
[pid  1201] <... futex resumed>)        = 1
[pid  1199] <... futex resumed>)        = 0
[pid  1198] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1202] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1201] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1199] exit_group(0 <unfinished ...>
[pid  1198] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1202] <... openat resumed>)       = 4
[pid  1201] <... futex resumed>)        = ?
[pid  1199] <... exit_group resumed>)   = ?
[pid  1202] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1201] +++ exited with 0 +++
[pid  1199] +++ exited with 0 +++
[pid  1198] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1203 attached
 <unfinished ...>
[pid  1202] <... futex resumed>)        = 0
[pid  1198] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1202] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1203] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1198] exit_group(0 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1199, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1203] <... set_robust_list resumed>) = 0
[pid  1202] <... futex resumed>)        = ?
[pid  1198] <... exit_group resumed>)   = ?
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1203] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1202] +++ exited with 0 +++
[pid  1200] +++ exited with 0 +++
[pid  1197] +++ exited with 0 +++
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1203
[pid  1203] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1203] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1203] setpgid(0, 0)               = 0
[pid  1203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1198] +++ exited with 0 +++
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1203] <... openat resumed>)       = 3
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1197, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1198, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1203] write(3, "1000", 4)         = 4
[pid  1203] close(3)                    = 0
[pid  1203] write(1, "executing program\n", 18) = 18
executing program
[pid  1203] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1203] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1203] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1203] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1203] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1203] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1203] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1204 attached
 => {parent_tid=[1204]}, 88) = 1204
[pid  1204] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1203] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1203] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1203] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1204] <... set_robust_list resumed>) = 0
[pid  1204] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1204] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  1204] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1204] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1203] <... futex resumed>)        = 0
[pid  1203] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1204] <... futex resumed>)        = 0
[pid  1203] <... futex resumed>)        = 1
[pid  1204] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  1203] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1204] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1203] <... futex resumed>)        = 0
[pid  1203] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1204] <... futex resumed>)        = 1
[pid  1203] <... futex resumed>)        = 0
[pid  1204] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1203] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1204] <... openat resumed>)       = 3
[pid  1204] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1203] <... futex resumed>)        = 0
[pid  1204] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1203] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1204] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1203] <... futex resumed>)        = 0
[pid  1204] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1203] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1204] <... write resumed>)        = 2
[pid  1204] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1204] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1203] <... futex resumed>)        = 0
[pid  1203] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1204] <... futex resumed>)        = 0
[pid  1203] <... futex resumed>)        = 1
[pid  1204] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1203] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1204] <... openat resumed>)       = 4
[pid  1204] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1203] <... futex resumed>)        = 0
[pid  1204] <... futex resumed>)        = 1
[pid  1204] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1203] exit_group(0 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1204] <... futex resumed>)        = ?
[pid  1203] <... exit_group resumed>)   = ?
[pid  1204] +++ exited with 0 +++
[pid  1203] +++ exited with 0 +++
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1203, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1205
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1205 attached
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1205] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1205] <... set_robust_list resumed>) = 0
[pid  1205] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1205] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1206
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1205] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1206 attached
[pid  1206] set_robust_list(0x55557716c6a0, 24ci2-android-6-12-rust/strace-static-x86_64: Process 1207 attached
 <unfinished ...>
[pid  1207] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1207] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1206] <... set_robust_list resumed>) = 0
[pid  1205] <... prctl resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1207
[pid  1207] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1206] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1207] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1205] setpgid(0, 0 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1205] <... setpgid resumed>)      = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1207] <... prctl resumed>)        = 0
[pid  1206] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1207] setpgid(0, 0 <unfinished ...>
[pid  1206] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1207] <... setpgid resumed>)      = 0
[pid  1206] <... prctl resumed>)        = 0
[pid  1207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1206] setpgid(0, 0 <unfinished ...>
[pid  1207] <... openat resumed>)       = 3
[pid  1206] <... setpgid resumed>)      = 0
[pid  1205] <... openat resumed>)       = 3
[pid  1207] write(3, "1000", 4 <unfinished ...>
[pid  1206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1205] write(3, "1000", 4 <unfinished ...>
[pid  1207] <... write resumed>)        = 4
[pid  1206] <... openat resumed>)       = 3
[pid  1205] <... write resumed>)        = 4
[pid  1207] close(3 <unfinished ...>
[pid  1205] close(3 <unfinished ...>
[pid  1207] <... close resumed>)        = 0
[pid  1206] write(3, "1000", 4 <unfinished ...>
[pid  1205] <... close resumed>)        = 0
[pid  1207] write(1, "executing program\n", 18 <unfinished ...>
[pid  1206] <... write resumed>)        = 4
[pid  1207] <... write resumed>)        = 18
[pid  1207] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1206] close(3 <unfinished ...>
[pid  1207] <... futex resumed>)        = 0
[pid  1206] <... close resumed>)        = 0
[pid  1207] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
executing program
[pid  1206] write(1, "executing program\n", 18 <unfinished ...>
[pid  1207] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1206] <... write resumed>)        = 18
[pid  1207] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1206] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1207] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1206] <... futex resumed>)        = 0
[pid  1206] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1207] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1206] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1207] <... mprotect resumed>)     = 0
[pid  1206] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1207] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1206] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1207] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1206] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1207] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1206] <... mmap resumed>)         = 0x7fb4de009000
ci2-android-6-12-rust/strace-static-x86_64: Process 1208 attached
[pid  1206] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1205] write(1, "executing program\n", 18 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1205] <... write resumed>)        = 18
[pid  1206] <... mprotect resumed>)     = 0
[pid  1205] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1207] <... clone3 resumed> => {parent_tid=[1208]}, 88) = 1208
[pid  1206] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
executing program
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1208] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1207] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1205] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1208] <... set_robust_list resumed>) = 0
[pid  1205] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1208] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1205] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1207] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1206] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1207] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1206] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1209 attached
 <unfinished ...>
[pid  1207] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1210 attached
[pid  1209] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1208] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1207] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1206] <... clone3 resumed> => {parent_tid=[1209]}, 88) = 1209
[pid  1205] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1210] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1209] <... set_robust_list resumed>) = 0
[pid  1208] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1206] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1205] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1210
[pid  1210] <... set_robust_list resumed>) = 0
[pid  1209] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1208] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1206] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1205] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1210] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1209] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1208] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1206] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1210] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1209] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1206] <... futex resumed>)        = 0
[pid  1205] <... mmap resumed>)         = 0x7fb4de009000
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1205] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1210] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1209] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1208] <... futex resumed>)        = 1
[pid  1207] <... futex resumed>)        = 0
[pid  1206] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1205] <... mprotect resumed>)     = 0
[pid  1210] <... prctl resumed>)        = 0
[pid  1209] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1206] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1210] setpgid(0, 0 <unfinished ...>
[pid  1209] <... futex resumed>)        = 0
[pid  1208] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1207] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1206] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1205] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1210] <... setpgid resumed>)      = 0
[pid  1209] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1207] <... futex resumed>)        = 0
[pid  1206] <... futex resumed>)        = 0
[pid  1205] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1209] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1208] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1207] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1206] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1205] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1210] <... openat resumed>)       = 3
[pid  1209] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1208] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1209] <... futex resumed>)        = 1
[pid  1206] <... futex resumed>)        = 0
[pid  1210] write(3, "1000", 4 <unfinished ...>
[pid  1209] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1206] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1210] <... write resumed>)        = 4
[pid  1208] <... futex resumed>)        = 1
[pid  1207] <... futex resumed>)        = 0
[pid  1208] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1207] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1205] <... clone3 resumed> => {parent_tid=[1211]}, 88) = 1211
[pid  1208] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1207] <... futex resumed>)        = 0
[pid  1205] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1211 attached
 <unfinished ...>
[pid  1210] close(3 <unfinished ...>
[pid  1209] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1208] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1207] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1206] <... futex resumed>)        = 0
[pid  1211] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1210] <... close resumed>)        = 0
[pid  1209] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1206] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1205] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1211] <... set_robust_list resumed>) = 0
[pid  1210] write(1, "executing program\n", 18 <unfinished ...>
[pid  1209] <... openat resumed>)       = 3
[pid  1211] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1210] <... write resumed>)        = 18
executing program
[pid  1209] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1211] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1210] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1209] <... futex resumed>)        = 1
[pid  1206] <... futex resumed>)        = 0
[pid  1211] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1210] <... futex resumed>)        = 0
[pid  1209] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1208] <... openat resumed>)       = 3
[pid  1206] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1205] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1211] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1210] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1209] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1208] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1206] <... futex resumed>)        = 0
[pid  1205] <... futex resumed>)        = 0
[pid  1211] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1210] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1209] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1208] <... futex resumed>)        = 1
[pid  1207] <... futex resumed>)        = 0
[pid  1206] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1205] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1211] <... futex resumed>)        = 0
[pid  1210] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1209] <... write resumed>)        = 2
[pid  1208] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1207] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1205] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1211] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1210] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1209] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1208] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1207] <... futex resumed>)        = 0
[pid  1205] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1211] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1209] <... futex resumed>)        = 1
[pid  1208] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1207] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1206] <... futex resumed>)        = 0
[pid  1205] <... futex resumed>)        = 0
[pid  1211] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1210] <... mmap resumed>)         = 0x7fb4de009000
[pid  1209] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1208] <... write resumed>)        = 2
[pid  1206] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1205] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1211] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1210] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1209] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1208] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1206] <... futex resumed>)        = 0
[pid  1211] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1210] <... mprotect resumed>)     = 0
[pid  1209] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1208] <... futex resumed>)        = 1
[pid  1207] <... futex resumed>)        = 0
[pid  1206] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1208] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1207] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1211] <... futex resumed>)        = 1
[pid  1210] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1209] <... openat resumed>)       = 4
[pid  1208] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1207] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1205] <... futex resumed>)        = 0
[pid  1211] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1210] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1208] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1205] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1211] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1210] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1209] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1205] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1212 attached
[pid  1211] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1209] <... futex resumed>)        = 1
[pid  1208] <... openat resumed>)       = 4
[pid  1206] <... futex resumed>)        = 0
[pid  1205] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1211] <... openat resumed>)       = 3
[pid  1210] <... clone3 resumed> => {parent_tid=[1212]}, 88) = 1212
[pid  1209] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1206] exit_group(0 <unfinished ...>
[pid  1212] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1211] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1210] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1209] <... futex resumed>)        = ?
[pid  1208] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1212] <... set_robust_list resumed>) = 0
[pid  1206] <... exit_group resumed>)   = ?
[pid  1212] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1211] <... futex resumed>)        = 1
[pid  1210] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1209] +++ exited with 0 +++
[pid  1208] <... futex resumed>)        = 1
[pid  1207] <... futex resumed>)        = 0
[pid  1206] +++ exited with 0 +++
[pid  1205] <... futex resumed>)        = 0
[pid  1212] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1208] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1205] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1212] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1207] exit_group(0 <unfinished ...>
[pid  1205] <... futex resumed>)        = 0
[pid  1208] <... futex resumed>)        = ?
[pid  1207] <... exit_group resumed>)   = ?
[pid  1205] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1208] +++ exited with 0 +++
[pid  1211] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1210] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1211] <... write resumed>)        = 2
[pid  1210] <... futex resumed>)        = 1
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1206, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1211] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1210] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1211] <... futex resumed>)        = 1
[pid  1211] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1212] <... futex resumed>)        = 0
[pid  1207] +++ exited with 0 +++
[pid  1205] <... futex resumed>)        = 0
[pid  1212] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1205] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1207, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1211] <... futex resumed>)        = 0
[pid  1205] <... futex resumed>)        = 1
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1212] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1211] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1212] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1211] <... openat resumed>)       = 4
[pid  1205] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1212] <... futex resumed>)        = 1
[pid  1211] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1210] <... futex resumed>)        = 0
[pid  1212] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1211] <... futex resumed>)        = 0
[pid  1210] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1205] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1212] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1211] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1210] <... futex resumed>)        = 0
[pid  1210] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1212] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1205] exit_group(0 <unfinished ...>
[pid  1211] <... futex resumed>)        = ?
[pid  1205] <... exit_group resumed>)   = ?
[pid  1212] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1211] +++ exited with 0 +++
[pid  1212] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1210] <... futex resumed>)        = 0
[pid  1210] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1212] <... futex resumed>)        = 1
[pid  1210] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1212] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  1205] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1205, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1212] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1210] <... futex resumed>)        = 0
[pid  1210] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1212] <... futex resumed>)        = 1
[pid  1210] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1212] write(3, "\x38\x00", 2)     = 2
[pid  1212] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1210] <... futex resumed>)        = 0
[pid  1212] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1210] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1212] <... openat resumed>)       = 4
[pid  1210] <... futex resumed>)        = 0
[pid  1210] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1212] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1210] <... futex resumed>)        = 0
[pid  1210] exit_group(0)               = ?
[pid  1212] <... futex resumed>)        = ?
[pid  1212] +++ exited with 0 +++
[pid  1210] +++ exited with 0 +++
[pid   313] <... restart_syscall resumed>) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1210, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557716c690) = 1213
ci2-android-6-12-rust/strace-static-x86_64: Process 1213 attached
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1213] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1213] <... set_robust_list resumed>) = 0
[pid  1213] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1213] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1213] <... prctl resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1213] setpgid(0, 0)               = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-12-rust/strace-static-x86_64: Process 1214 attached
 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1214] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1213] <... openat resumed>)       = 3
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1214
[pid  1214] <... set_robust_list resumed>) = 0
[pid  1213] write(3, "1000", 4 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1214] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1213] <... write resumed>)        = 4
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1214] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1214] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1213] close(3 <unfinished ...>
[pid  1214] <... prctl resumed>)        = 0
[pid  1214] setpgid(0, 0)               = 0
[pid  1214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1213] <... close resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1215 attached
[pid  1214] write(3, "1000", 4 <unfinished ...>
[pid  1215] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1214] <... write resumed>)        = 4
[pid  1215] <... set_robust_list resumed>) = 0
[pid  1214] close(3 <unfinished ...>
[pid  1215] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1214] <... close resumed>)        = 0
[pid  1213] write(1, "executing program\n", 18 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1215
[pid  1215] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
executing program
[pid  1214] write(1, "executing program\n", 18 <unfinished ...>
[pid  1215] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1214] <... write resumed>)        = 18
[pid  1213] <... write resumed>)        = 18
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1215] <... prctl resumed>)        = 0
[pid  1214] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1213] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1215] setpgid(0, 0 <unfinished ...>
[pid  1214] <... futex resumed>)        = 0
[pid  1213] <... futex resumed>)        = 0
[pid  1215] <... setpgid resumed>)      = 0
[pid  1214] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1214] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1213] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1214] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1215] <... openat resumed>)       = 3
[pid  1214] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1213] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1213] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1215] write(3, "1000", 4 <unfinished ...>
[pid  1214] <... mmap resumed>)         = 0x7fb4de009000
[pid  1213] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1215] <... write resumed>)        = 4
[pid  1214] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1213] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1215] close(3 <unfinished ...>
[pid  1214] <... mprotect resumed>)     = 0
[pid  1215] <... close resumed>)        = 0
[pid  1213] <... mmap resumed>)         = 0x7fb4de009000
[pid  1215] write(1, "executing program\n", 18 <unfinished ...>
[pid  1214] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
executing program
[pid  1213] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1215] <... write resumed>)        = 18
[pid  1213] <... mprotect resumed>)     = 0
[pid  1215] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1214] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1215] <... futex resumed>)        = 0
[pid  1214] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1215] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}ci2-android-6-12-rust/strace-static-x86_64: Process 1216 attached
, NULL, 8) = 0
[pid  1213] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1216] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1215] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1214] <... clone3 resumed> => {parent_tid=[1216]}, 88) = 1216
[pid  1213] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1216] <... set_robust_list resumed>) = 0
[pid  1215] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1213] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1216] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1215] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1214] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1217 attached
[pid  1216] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1215] <... mmap resumed>)         = 0x7fb4de009000
[pid  1214] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1217] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1216] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1215] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1214] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1213] <... clone3 resumed> => {parent_tid=[1217]}, 88) = 1217
[pid  1217] <... set_robust_list resumed>) = 0
[pid  1216] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1215] <... mprotect resumed>)     = 0
[pid  1214] <... futex resumed>)        = 0
[pid  1213] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1217] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1216] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1214] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1213] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1217] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1216] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1215] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1213] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1217] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1215] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1217] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1216] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1215] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1213] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1219 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1218 attached
[pid  1217] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1216] <... futex resumed>)        = 1
[pid  1214] <... futex resumed>)        = 0
[pid  1213] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1216] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1219] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1213] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1218] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1213] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1217] <... futex resumed>)        = 0
[pid  1215] <... clone3 resumed> => {parent_tid=[1219]}, 88) = 1219
[pid  1214] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1218
[pid  1217] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1216] <... futex resumed>)        = 0
[pid  1215] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1214] <... futex resumed>)        = 1
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1219] <... set_robust_list resumed>) = 0
[pid  1218] <... set_robust_list resumed>) = 0
[pid  1217] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1216] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1215] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1214] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1213] <... futex resumed>)        = 0
[pid  1219] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1218] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1217] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1216] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1215] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1213] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1219] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1218] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1217] <... futex resumed>)        = 0
[pid  1216] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1215] <... futex resumed>)        = 0
[pid  1213] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1219] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1217] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1216] <... futex resumed>)        = 1
[pid  1215] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1214] <... futex resumed>)        = 0
[pid  1218] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1217] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1216] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1214] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1213] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1217] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1216] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1214] <... futex resumed>)        = 0
[pid  1219] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1218] <... prctl resumed>)        = 0
[pid  1217] <... openat resumed>)       = 3
[pid  1216] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1214] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1213] <... futex resumed>)        = 0
[pid  1219] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1218] setpgid(0, 0 <unfinished ...>
[pid  1213] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1219] <... futex resumed>)        = 1
[pid  1217] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1216] <... openat resumed>)       = 3
[pid  1215] <... futex resumed>)        = 0
[pid  1219] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1218] <... setpgid resumed>)      = 0
[pid  1217] <... futex resumed>)        = 0
[pid  1216] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1215] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1213] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1219] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1217] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1216] <... futex resumed>)        = 1
[pid  1215] <... futex resumed>)        = 0
[pid  1214] <... futex resumed>)        = 0
[pid  1213] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1219] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1217] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1216] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1215] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1214] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1213] <... futex resumed>)        = 0
[pid  1219] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1217] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1216] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1214] <... futex resumed>)        = 0
[pid  1219] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1217] <... write resumed>)        = 2
[pid  1216] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1214] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1213] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1219] <... futex resumed>)        = 1
[pid  1217] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1216] <... write resumed>)        = 2
[pid  1215] <... futex resumed>)        = 0
[pid  1213] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1219] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1217] <... futex resumed>)        = 0
[pid  1216] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1215] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1219] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1217] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1214] <... futex resumed>)        = 0
[pid  1213] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1219] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1217] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1216] <... futex resumed>)        = 1
[pid  1215] <... futex resumed>)        = 0
[pid  1214] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1213] <... futex resumed>)        = 0
[pid  1219] <... openat resumed>)       = 3
[pid  1218] <... openat resumed>)       = 3
[pid  1217] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1216] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1215] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1214] <... futex resumed>)        = 0
[pid  1219] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1218] write(3, "1000", 4 <unfinished ...>
[pid  1217] <... openat resumed>)       = 4
[pid  1216] <... openat resumed>)       = 4
[pid  1215] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1214] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1213] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1219] <... futex resumed>)        = 0
[pid  1218] <... write resumed>)        = 4
[pid  1219] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1218] close(3 <unfinished ...>
[pid  1217] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1216] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1215] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1219] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1218] <... close resumed>)        = 0
[pid  1217] <... futex resumed>)        = 1
[pid  1216] <... futex resumed>)        = 1
[pid  1215] <... futex resumed>)        = 0
[pid  1214] <... futex resumed>)        = 0
executing program
[pid  1213] <... futex resumed>)        = 0
[pid  1219] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1218] write(1, "executing program\n", 18 <unfinished ...>
[pid  1217] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1216] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1215] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1214] exit_group(0 <unfinished ...>
[pid  1219] <... write resumed>)        = 2
[pid  1218] <... write resumed>)        = 18
[pid  1216] <... futex resumed>)        = ?
[pid  1214] <... exit_group resumed>)   = ?
[pid  1213] exit_group(0 <unfinished ...>
[pid  1219] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1218] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1216] +++ exited with 0 +++
[pid  1214] +++ exited with 0 +++
[pid  1219] <... futex resumed>)        = 1
[pid  1218] <... futex resumed>)        = 0
[pid  1217] <... futex resumed>)        = ?
[pid  1215] <... futex resumed>)        = 0
[pid  1213] <... exit_group resumed>)   = ?
[pid  1219] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1218] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1217] +++ exited with 0 +++
[pid  1215] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1219] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1218] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1215] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1214, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1215] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1219] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1218] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1213] +++ exited with 0 +++
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1218] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1213, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1219] <... openat resumed>)       = 4
[pid  1218] <... mmap resumed>)         = 0x7fb4de009000
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1219] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1219] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1215] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1220 attached
[pid  1218] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1215] exit_group(0 <unfinished ...>
[pid  1220] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1218] <... mprotect resumed>)     = 0
[pid  1220] <... set_robust_list resumed>) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1220
[pid  1220] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1219] <... futex resumed>)        = ?
[pid  1218] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1215] <... exit_group resumed>)   = ?
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1220] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1219] +++ exited with 0 +++
[pid  1218] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1215] +++ exited with 0 +++
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1215, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1220] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1218] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1220] <... prctl resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 1221 attached
 <unfinished ...>
[pid  1220] setpgid(0, 0)               = 0
[pid  1218] <... clone3 resumed> => {parent_tid=[1221]}, 88) = 1221
[pid  1221] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1218] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1221] <... set_robust_list resumed>) = 0
[pid  1221] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1221] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1218] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1220] <... openat resumed>)       = 3
[pid  1218] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1221] <... futex resumed>)        = 0
[pid  1220] write(3, "1000", 4 <unfinished ...>
[pid  1218] <... futex resumed>)        = 1
[pid  1221] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1220] <... write resumed>)        = 4
[pid  1218] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1221] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1220] close(3 <unfinished ...>
[pid  1221] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1220] <... close resumed>)        = 0
[pid  1221] <... futex resumed>)        = 1
[pid  1218] <... futex resumed>)        = 0
[pid  1220] write(1, "executing program\n", 18 <unfinished ...>
[pid  1218] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1221] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1220] <... write resumed>)        = 18
[pid  1218] <... futex resumed>)        = 0
[pid  1221] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
executing program
[pid  1220] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1218] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1221] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1220] <... futex resumed>)        = 0
[pid  1221] <... futex resumed>)        = 1
[pid  1220] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1218] <... futex resumed>)        = 0
[pid  1221] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1220] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1218] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1221] <... openat resumed>)       = 3
[pid  1220] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1218] <... futex resumed>)        = 0
[pid  1221] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1220] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1218] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1221] <... futex resumed>)        = 0
[pid  1220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1221] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1220] <... mmap resumed>)         = 0x7fb4de009000
[pid  1218] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1218] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1220] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1221] <... futex resumed>)        = 0
[pid  1220] <... mprotect resumed>)     = 0
[pid  1218] <... futex resumed>)        = 1
[pid  1221] write(3, "\x38\x00", 2)     = 2
[pid  1220] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1218] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1221] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1218] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1218] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1218] <... futex resumed>)        = 0
[pid  1221] <... futex resumed>)        = 0
[pid  1220] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1221] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1220] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1221] <... openat resumed>)       = 4
[pid  1221] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1220] <... clone3 resumed> => {parent_tid=[1222]}, 88) = 1222
ci2-android-6-12-rust/strace-static-x86_64: Process 1223 attached
[pid  1221] <... futex resumed>)        = 0
[pid  1220] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1218] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1223] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1221] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1220] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1223] <... set_robust_list resumed>) = 0
[pid  1220] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1223] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1220] <... futex resumed>)        = 0
[pid  1220] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1223] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1223] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-6-12-rust/strace-static-x86_64: Process 1222 attached
 <unfinished ...>
[pid  1218] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1223
[pid  1223] <... prctl resumed>)        = 0
[pid  1223] setpgid(0, 0)               = 0
[pid  1218] exit_group(0 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1222] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1221] <... futex resumed>)        = ?
[pid  1218] <... exit_group resumed>)   = ?
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1222] <... set_robust_list resumed>) = 0
[pid  1221] +++ exited with 0 +++
[pid  1223] <... openat resumed>)       = 3
[pid  1223] write(3, "1000", 4)         = 4
[pid  1223] close(3)                    = 0
[pid  1223] write(1, "executing program\n", 18) = 18
[pid  1223] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1223] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
executing program
[pid  1218] +++ exited with 0 +++
[pid  1222] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1223] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1218, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1223] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1222] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1223] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1223] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1222] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1223] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1222] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1223] <... mprotect resumed>)     = 0
[pid  1222] <... futex resumed>)        = 1
[pid  1220] <... futex resumed>)        = 0
[pid  1222] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1220] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1223] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1222] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1220] <... futex resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1223] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1222] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1220] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1223] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1222] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1223] <... clone3 resumed> => {parent_tid=[1224]}, 88) = 1224
[pid  1223] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1222] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1224 attached
 <unfinished ...>
[pid  1223] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1222] <... futex resumed>)        = 1
[pid  1220] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1224] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1223] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1222] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1220] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1224] <... set_robust_list resumed>) = 0
[pid  1223] <... futex resumed>)        = 0
[pid  1222] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1220] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1224] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1223] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1222] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1220] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1224] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1222] <... openat resumed>)       = 3
[pid  1224] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
ci2-android-6-12-rust/strace-static-x86_64: Process 1225 attached
[pid  1222] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1224] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1222] <... futex resumed>)        = 1
[pid  1225] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1220] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1225
[pid  1225] <... set_robust_list resumed>) = 0
[pid  1224] <... futex resumed>)        = 1
[pid  1223] <... futex resumed>)        = 0
[pid  1222] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1224] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1225] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1225] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1225] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1223] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1220] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1224] <... futex resumed>)        = 0
[pid  1223] <... futex resumed>)        = 1
[pid  1222] <... futex resumed>)        = 0
[pid  1220] <... futex resumed>)        = 1
[pid  1225] <... prctl resumed>)        = 0
[pid  1224] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1223] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1222] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1220] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1225] setpgid(0, 0 <unfinished ...>
[pid  1224] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1222] <... write resumed>)        = 2
[pid  1222] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1225] <... setpgid resumed>)      = 0
[pid  1224] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1222] <... futex resumed>)        = 1
[pid  1220] <... futex resumed>)        = 0
[pid  1225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1224] <... futex resumed>)        = 1
[pid  1223] <... futex resumed>)        = 0
[pid  1220] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1224] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1223] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1220] <... futex resumed>)        = 0
[pid  1224] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1223] <... futex resumed>)        = 0
[pid  1220] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1224] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1223] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1224] <... openat resumed>)       = 3
[pid  1224] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1223] <... futex resumed>)        = 0
[pid  1223] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1223] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1224] <... futex resumed>)        = 1
[pid  1224] write(3, "\x38\x00", 2)     = 2
[pid  1224] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1223] <... futex resumed>)        = 0
[pid  1223] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1224] <... futex resumed>)        = 1
[pid  1223] <... futex resumed>)        = 0
[pid  1224] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1223] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1225] <... openat resumed>)       = 3
[pid  1224] <... openat resumed>)       = 4
[pid  1222] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1225] write(3, "1000", 4)         = 4
[pid  1224] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1222] <... openat resumed>)       = 4
[pid  1225] close(3 <unfinished ...>
[pid  1224] <... futex resumed>)        = 1
[pid  1222] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1225] <... close resumed>)        = 0
[pid  1224] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1223] <... futex resumed>)        = 0
[pid  1222] <... futex resumed>)        = 1
[pid  1220] <... futex resumed>)        = 0
executing program
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1225] write(1, "executing program\n", 18 <unfinished ...>
[pid  1223] exit_group(0 <unfinished ...>
[pid  1222] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1220] exit_group(0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1225] <... write resumed>)        = 18
[pid  1224] <... futex resumed>)        = ?
[pid  1223] <... exit_group resumed>)   = ?
[pid  1222] <... futex resumed>)        = ?
[pid  1220] <... exit_group resumed>)   = ?
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1226 attached
 <unfinished ...>
[pid  1225] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1224] +++ exited with 0 +++
[pid  1223] +++ exited with 0 +++
[pid  1222] +++ exited with 0 +++
[pid  1220] +++ exited with 0 +++
[pid  1225] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1226
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1226] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1225] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1220, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1225] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1223, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1226] <... set_robust_list resumed>) = 0
[pid  1225] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1225] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1226] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1225] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1226] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1226] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1225] <... mmap resumed>)         = 0x7fb4de009000
[pid  1226] <... prctl resumed>)        = 0
[pid  1226] setpgid(0, 0)               = 0
[pid  1225] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1225] <... mprotect resumed>)     = 0
[pid  1226] write(3, "1000", 4)         = 4
[pid  1226] close(3)                    = 0
[pid  1226] write(1, "executing program\n", 18 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1226] <... write resumed>)        = 18
[pid  1225] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1225] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1225] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1226] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1226] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1226] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 1227 attached
) = 0x7fb4de009000
executing program
ci2-android-6-12-rust/strace-static-x86_64: Process 1228 attached
[pid  1227] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1226] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1228] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1226] <... mprotect resumed>)     = 0
[pid  1228] <... set_robust_list resumed>) = 0
[pid  1227] <... set_robust_list resumed>) = 0
[pid  1226] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1228] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1227] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1225] <... clone3 resumed> => {parent_tid=[1228]}, 88) = 1228
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1227
[pid  1225] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1225] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1225] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1228] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1227] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1226] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1228] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1227] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1226] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1229 attached
 <unfinished ...>
[pid  1228] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1227] <... prctl resumed>)        = 0
[pid  1225] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1228] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1227] setpgid(0, 0 <unfinished ...>
[pid  1226] <... clone3 resumed> => {parent_tid=[1229]}, 88) = 1229
[pid  1229] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1228] <... futex resumed>)        = 0
[pid  1227] <... setpgid resumed>)      = 0
[pid  1226] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1225] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1229] <... set_robust_list resumed>) = 0
[pid  1228] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1226] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1229] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1226] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1225] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1229] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1227] <... openat resumed>)       = 3
[pid  1226] <... futex resumed>)        = 0
[pid  1226] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1229] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1228] <... futex resumed>)        = 0
[pid  1227] write(3, "1000", 4 <unfinished ...>
[pid  1225] <... futex resumed>)        = 1
[pid  1229] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1225] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1229] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1228] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1227] <... write resumed>)        = 4
[pid  1226] <... futex resumed>)        = 0
[pid  1229] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1228] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1227] close(3 <unfinished ...>
[pid  1226] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1229] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1228] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1227] <... close resumed>)        = 0
[pid  1226] <... futex resumed>)        = 0
[pid  1229] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1228] <... futex resumed>)        = 1
[pid  1227] write(1, "executing program\n", 18 <unfinished ...>
[pid  1226] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
executing program
[pid  1229] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1228] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1227] <... write resumed>)        = 18
[pid  1225] <... futex resumed>)        = 0
[pid  1229] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1227] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1225] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1229] <... futex resumed>)        = 1
[pid  1228] <... futex resumed>)        = 0
[pid  1227] <... futex resumed>)        = 0
[pid  1226] <... futex resumed>)        = 0
[pid  1225] <... futex resumed>)        = 1
[pid  1229] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1228] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1227] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1226] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1225] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1229] <... openat resumed>)       = 3
[pid  1228] <... openat resumed>)       = 3
[pid  1227] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1226] <... futex resumed>)        = 0
[pid  1229] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1228] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1227] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1226] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1229] <... futex resumed>)        = 0
[pid  1228] <... futex resumed>)        = 1
[pid  1227] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1226] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1225] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1229] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1228] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1225] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1228] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1227] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1226] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1225] <... futex resumed>)        = 0
[pid  1229] <... futex resumed>)        = 0
[pid  1228] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1227] <... mmap resumed>)         = 0x7fb4de009000
[pid  1226] <... futex resumed>)        = 1
[pid  1225] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1229] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1228] <... write resumed>)        = 2
[pid  1227] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1226] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1229] <... write resumed>)        = 2
[pid  1228] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1227] <... mprotect resumed>)     = 0
[pid  1228] <... futex resumed>)        = 1
[pid  1228] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1227] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1227] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1230 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1231 attached
 <unfinished ...>
[pid  1230] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1229] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1227] <... clone3 resumed> => {parent_tid=[1230]}, 88) = 1230
[pid  1231] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1230] <... set_robust_list resumed>) = 0
[pid  1229] <... futex resumed>)        = 1
[pid  1227] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1226] <... futex resumed>)        = 0
[pid  1225] <... futex resumed>)        = 0
[pid  1231] <... set_robust_list resumed>) = 0
[pid  1230] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1229] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1227] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1226] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1225] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1231
[pid  1230] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1228] <... futex resumed>)        = 0
[pid  1227] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1226] <... futex resumed>)        = 0
[pid  1225] <... futex resumed>)        = 1
[pid  1229] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1225] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1229] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1230] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1228] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1229] <... openat resumed>)       = 4
[pid  1227] <... futex resumed>)        = 0
[pid  1226] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1231] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1230] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1229] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1228] <... openat resumed>)       = 4
[pid  1227] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1226] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1231] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1230] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1229] <... futex resumed>)        = 0
[pid  1228] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1227] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1226] exit_group(0 <unfinished ...>
[pid  1230] <... futex resumed>)        = 0
[pid  1228] <... futex resumed>)        = 1
[pid  1227] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1226] <... exit_group resumed>)   = ?
[pid  1225] <... futex resumed>)        = 0
[pid  1231] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1230] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1229] +++ exited with 0 +++
[pid  1228] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1227] <... futex resumed>)        = 0
[pid  1226] +++ exited with 0 +++
[pid  1225] exit_group(0 <unfinished ...>
[pid  1231] <... prctl resumed>)        = 0
[pid  1230] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1227] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1225] <... exit_group resumed>)   = ?
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1226, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1231] setpgid(0, 0)               = 0
[pid  1228] <... futex resumed>)        = ?
[pid  1231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1228] +++ exited with 0 +++
[pid  1225] +++ exited with 0 +++
[pid  1230] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1231] <... openat resumed>)       = 3
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1225, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1230] <... futex resumed>)        = 1
[pid  1227] <... futex resumed>)        = 0
[pid  1230] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1227] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1230] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1227] <... futex resumed>)        = 0
[pid  1230] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1227] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1230] <... openat resumed>)       = 3
[pid  1230] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1227] <... futex resumed>)        = 0
[pid  1230] <... futex resumed>)        = 1
[pid  1227] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1230] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1227] <... futex resumed>)        = 0
[pid  1230] <... write resumed>)        = 2
[pid  1227] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1230] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1227] <... futex resumed>)        = 0
[pid  1230] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1227] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1230] <... openat resumed>)       = 4
[pid  1227] <... futex resumed>)        = 0
[pid  1227] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1230] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1227] <... futex resumed>)        = 0
[pid  1227] exit_group(0 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1230] <... futex resumed>)        = 1
[pid  1231] write(3, "1000", 4 <unfinished ...>
[pid  1227] <... exit_group resumed>)   = ?
[pid  1231] <... write resumed>)        = 4
[pid  1230] +++ exited with 0 +++
[pid  1231] close(3)                    = 0
[pid  1227] +++ exited with 0 +++
[pid  1231] write(1, "executing program\n", 18 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1227, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  1231] <... write resumed>)        = 18
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
executing program
[pid  1231] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1231] <... futex resumed>)        = 0
[pid  1231] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1231] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1231] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1231] <... mmap resumed>)         = 0x7fb4de009000
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1231] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1231] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1231] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1232 attached
 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1232
[pid  1232] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1231] <... clone3 resumed> => {parent_tid=[1233]}, 88) = 1233
[pid  1231] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1233 attached
 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1232] <... set_robust_list resumed>) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1233] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1232] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1233] <... set_robust_list resumed>) = 0
[pid  1233] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1232] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1231] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1233] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1231] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1232] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1231] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1233] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  1233] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1231] <... futex resumed>)        = 0
[pid  1231] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1233] <... futex resumed>)        = 1
[pid  1231] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1233] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  1232] <... prctl resumed>)        = 0
[pid  1233] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1231] <... futex resumed>)        = 0
[pid  1233] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1231] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1233] <... openat resumed>)       = 3
[pid  1232] setpgid(0, 0 <unfinished ...>
[pid  1231] <... futex resumed>)        = 0
[pid  1233] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1232] <... setpgid resumed>)      = 0
[pid  1231] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1233] <... futex resumed>)        = 0
[pid  1231] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1233] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1231] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1233] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1231] <... futex resumed>)        = 0
[pid  1233] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1231] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1233] <... write resumed>)        = 2
[pid  1232] <... openat resumed>)       = 3
[pid  1233] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1232] write(3, "1000", 4 <unfinished ...>
[pid  1231] <... futex resumed>)        = 0
[pid  1232] <... write resumed>)        = 4
[pid  1233] <... futex resumed>)        = 1
[pid  1232] close(3 <unfinished ...>
[pid  1231] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1233] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1232] <... close resumed>)        = 0
[pid  1231] <... futex resumed>)        = 0
[pid  1233] <... openat resumed>)       = 4
[pid  1231] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1232] write(1, "executing program\n", 18 <unfinished ...>
[pid  1233] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1232] <... write resumed>)        = 18
[pid  1231] <... futex resumed>)        = 0
executing program
[pid  1233] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1232] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1231] exit_group(0 <unfinished ...>
[pid  1232] <... futex resumed>)        = 0
[pid  1232] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1232] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1233] <... futex resumed>)        = ?
[pid  1232] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1231] <... exit_group resumed>)   = ?
[pid  1233] +++ exited with 0 +++
[pid  1232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1231] +++ exited with 0 +++
[pid  1232] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1231, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1232] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1232] <... mprotect resumed>)     = 0
[pid  1232] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1232] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1234 attached
 <unfinished ...>
[pid  1234] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  1234] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1234] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1232] <... clone3 resumed> => {parent_tid=[1234]}, 88) = 1234
[pid  1232] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1232] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1232] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1234] <... futex resumed>)        = 0
[pid  1234] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  1234] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1232] <... futex resumed>)        = 0
[pid  1232] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1232] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1234] <... futex resumed>)        = 1
[pid  1234] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  1234] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1232] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1234] <... futex resumed>)        = 1
[pid  1232] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1234] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1232] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1234] <... openat resumed>)       = 3
[pid  1232] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1235 attached
 <unfinished ...>
[pid  1234] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1232] <... futex resumed>)        = 0
[pid  1232] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1234] write(3, "\x38\x00", 2)     = 2
[pid  1232] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1234] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1232] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1235
[pid  1234] <... futex resumed>)        = 0
[pid  1232] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1234] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1232] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1234] <... openat resumed>)       = 4
[pid  1232] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1234] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1232] <... futex resumed>)        = 0
[pid  1234] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1232] exit_group(0 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1235] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1235] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1234] <... futex resumed>)        = ?
[pid  1232] <... exit_group resumed>)   = ?
[pid  1235] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1234] +++ exited with 0 +++
[pid  1232] +++ exited with 0 +++
[pid  1235] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1232, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1235] <... prctl resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1235] setpgid(0, 0 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1235] <... setpgid resumed>)      = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1236 attached
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1236
[pid  1236] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1235] <... openat resumed>)       = 3
[pid  1236] <... set_robust_list resumed>) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1235] write(3, "1000", 4 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1236] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1235] <... write resumed>)        = 4
[pid  1236] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1235] close(3 <unfinished ...>
[pid  1236] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1235] <... close resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1236] <... prctl resumed>)        = 0
[pid  1235] write(1, "executing program\n", 18ci2-android-6-12-rust/strace-static-x86_64: Process 1237 attached
 <unfinished ...>
[pid  1236] setpgid(0, 0 <unfinished ...>
[pid  1235] <... write resumed>)        = 18
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1237
[pid  1236] <... setpgid resumed>)      = 0
[pid  1235] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1237] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1235] <... futex resumed>)        = 0
[pid  1237] <... set_robust_list resumed>) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1236] <... openat resumed>)       = 3
executing program
[pid  1235] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1237] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1236] write(3, "1000", 4 <unfinished ...>
[pid  1235] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1237] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1236] <... write resumed>)        = 4
[pid  1235] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1236] close(3 <unfinished ...>
[pid  1235] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1236] <... close resumed>)        = 0
[pid  1237] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1236] write(1, "executing program\n", 18 <unfinished ...>
[pid  1235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1237] <... prctl resumed>)        = 0
[pid  1236] <... write resumed>)        = 18
executing program
[pid  1235] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1237] setpgid(0, 0 <unfinished ...>
[pid  1236] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1235] <... mprotect resumed>)     = 0
[pid  1237] <... setpgid resumed>)      = 0
[pid  1236] <... futex resumed>)        = 0
[pid  1235] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1236] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1235] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1237] <... openat resumed>)       = 3
[pid  1236] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1235] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1237] write(3, "1000", 4 <unfinished ...>
[pid  1236] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1238 attached
[pid  1237] <... write resumed>)        = 4
[pid  1236] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1238] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1237] close(3 <unfinished ...>
[pid  1236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1238] <... set_robust_list resumed>) = 0
[pid  1235] <... clone3 resumed> => {parent_tid=[1238]}, 88) = 1238
[pid  1238] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1237] <... close resumed>)        = 0
[pid  1236] <... mmap resumed>)         = 0x7fb4de009000
[pid  1235] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1238] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1237] write(1, "executing program\n", 18 <unfinished ...>
[pid  1236] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1235] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1238] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1237] <... write resumed>)        = 18
[pid  1236] <... mprotect resumed>)     = 0
[pid  1235] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1238] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1237] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1235] <... futex resumed>)        = 0
executing program
[pid  1236] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1238] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
ci2-android-6-12-rust/strace-static-x86_64: Process 1239 attached
[pid  1238] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1237] <... futex resumed>)        = 0
[pid  1236] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1235] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1239] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1238] <... futex resumed>)        = 0
[pid  1237] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1236] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1235] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1239
ci2-android-6-12-rust/strace-static-x86_64: Process 1240 attached
[pid  1235] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1240] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1239] <... set_robust_list resumed>) = 0
[pid  1238] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1237] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1236] <... clone3 resumed> => {parent_tid=[1240]}, 88) = 1240
[pid  1235] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1240] <... set_robust_list resumed>) = 0
[pid  1236] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1239] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1240] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1237] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1236] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1235] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1240] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1239] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1238] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1237] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1236] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1240] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1237] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1240] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1236] <... futex resumed>)        = 0
[pid  1240] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1240] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1239] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1238] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1237] <... mmap resumed>)         = 0x7fb4de009000
[pid  1238] <... futex resumed>)        = 1
[pid  1236] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1235] <... futex resumed>)        = 0
[pid  1237] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1239] <... prctl resumed>)        = 0
[pid  1238] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1236] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1235] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1239] setpgid(0, 0 <unfinished ...>
[pid  1238] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1237] <... mprotect resumed>)     = 0
[pid  1236] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1239] <... setpgid resumed>)      = 0
[pid  1235] <... futex resumed>)        = 0
[pid  1240] <... futex resumed>)        = 0
[pid  1239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1238] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1237] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1236] <... futex resumed>)        = 1
[pid  1235] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1240] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1239] <... openat resumed>)       = 3
[pid  1238] <... openat resumed>)       = 3
[pid  1237] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1236] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1240] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1239] write(3, "1000", 4 <unfinished ...>
[pid  1240] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1239] <... write resumed>)        = 4
[pid  1240] <... futex resumed>)        = 1
[pid  1239] close(3 <unfinished ...>
[pid  1236] <... futex resumed>)        = 0
[pid  1240] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1239] <... close resumed>)        = 0
[pid  1236] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1240] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1239] write(1, "executing program\n", 18 <unfinished ...>
[pid  1236] <... futex resumed>)        = 0
executing program
[pid  1240] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1239] <... write resumed>)        = 18
[pid  1236] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1240] <... openat resumed>)       = 3
[pid  1239] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1238] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1237] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1240] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1239] <... futex resumed>)        = 0
[pid  1238] <... futex resumed>)        = 1
[pid  1240] <... futex resumed>)        = 1
[pid  1239] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1236] <... futex resumed>)        = 0
[pid  1240] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1238] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1235] <... futex resumed>)        = 0
[pid  1237] <... clone3 resumed> => {parent_tid=[1241]}, 88) = 1241
[pid  1235] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1237] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1238] <... futex resumed>)        = 0
[pid  1237] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1235] <... futex resumed>)        = 1
[pid  1238] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1237] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1235] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1238] <... write resumed>)        = 2
[pid  1237] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1241 attached
[pid  1240] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1239] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1238] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1236] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1241] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1240] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1239] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1238] <... futex resumed>)        = 0
[pid  1237] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1236] <... futex resumed>)        = 0
[pid  1235] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1241] <... set_robust_list resumed>) = 0
[pid  1240] <... write resumed>)        = 2
[pid  1239] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1238] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1236] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1235] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1241] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1240] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1239] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1238] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1236] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1241] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1240] <... futex resumed>)        = 0
[pid  1239] <... mmap resumed>)         = 0x7fb4de009000
[pid  1236] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1235] <... futex resumed>)        = 0
[pid  1241] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1240] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1239] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1238] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1236] <... futex resumed>)        = 0
[pid  1235] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1241] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1240] <... openat resumed>)       = 4
[pid  1239] <... mprotect resumed>)     = 0
[pid  1236] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1241] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1240] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1239] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1238] <... openat resumed>)       = 4
[pid  1236] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1241] <... futex resumed>)        = 1
[pid  1240] <... futex resumed>)        = 0
[pid  1239] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1238] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1237] <... futex resumed>)        = 0
[pid  1236] exit_group(0 <unfinished ...>
[pid  1241] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1239] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1238] <... futex resumed>)        = 1
[pid  1237] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1236] <... exit_group resumed>)   = ?
[pid  1235] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1242 attached
[pid  1241] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1240] +++ exited with 0 +++
[pid  1238] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1237] <... futex resumed>)        = 0
[pid  1236] +++ exited with 0 +++
[pid  1235] exit_group(0 <unfinished ...>
[pid  1242] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1241] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1239] <... clone3 resumed> => {parent_tid=[1242]}, 88) = 1242
[pid  1237] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1235] <... exit_group resumed>)   = ?
[pid  1242] <... set_robust_list resumed>) = 0
[pid  1241] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1239] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1238] <... futex resumed>)        = ?
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1236, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1241] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1239] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1238] +++ exited with 0 +++
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1242] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1241] <... futex resumed>)        = 1
[pid  1239] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1237] <... futex resumed>)        = 0
[pid  1242] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1241] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1239] <... futex resumed>)        = 0
[pid  1237] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1242] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1241] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1239] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1237] <... futex resumed>)        = 0
[pid  1241] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  1241] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1241] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1242] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1237] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1235] +++ exited with 0 +++
[pid  1242] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1237] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1242] <... futex resumed>)        = 1
[pid  1237] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1242] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1235, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1237] <... futex resumed>)        = 1
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1237] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1241] <... futex resumed>)        = 0
[pid  1239] <... futex resumed>)        = 0
[pid  1241] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1239] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1241] <... write resumed>)        = 2
[pid  1239] <... futex resumed>)        = 1
[pid  1241] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1239] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1241] <... futex resumed>)        = 1
[pid  1241] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1242] <... futex resumed>)        = 0
[pid  1237] <... futex resumed>)        = 0
[pid  1242] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1237] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1242] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1237] <... futex resumed>)        = 1
[pid  1242] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1239] <... futex resumed>)        = 0
[pid  1241] <... futex resumed>)        = 0
[pid  1237] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1241] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1242] <... futex resumed>)        = 1
[pid  1239] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1242] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1239] <... futex resumed>)        = 0
[pid  1241] <... openat resumed>)       = 4
[pid  1242] <... openat resumed>)       = 3
[pid  1239] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1241] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1242] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1241] <... futex resumed>)        = 1
[pid  1239] <... futex resumed>)        = 0
[pid  1237] <... futex resumed>)        = 0
[pid  1242] <... futex resumed>)        = 1
[pid  1241] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1239] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1242] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1239] <... futex resumed>)        = 0
[pid  1242] <... write resumed>)        = 2
[pid  1239] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1237] exit_group(0 <unfinished ...>
[pid  1242] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1239] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1242] <... futex resumed>)        = 0
[pid  1239] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1242] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1239] <... futex resumed>)        = 0
[pid  1242] <... openat resumed>)       = 4
[pid  1239] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1242] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1239] <... futex resumed>)        = 0
[pid  1239] exit_group(0)               = ?
[pid  1242] <... futex resumed>)        = ?
[pid  1242] +++ exited with 0 +++
[pid  1239] +++ exited with 0 +++
[pid  1237] <... exit_group resumed>)   = ?
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1239, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1241] <... futex resumed>)        = ?
[pid   314] <... restart_syscall resumed>) = 0
[pid  1241] +++ exited with 0 +++
[pid  1237] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1237, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1243 attached
 <unfinished ...>
[pid  1243] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1243] <... set_robust_list resumed>) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1243] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1243] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-6-12-rust/strace-static-x86_64: Process 1244 attached
) = 0
[pid  1243] setpgid(0, 0)               = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1245 attached
[pid  1243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1244
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1243] <... openat resumed>)       = 3
[pid  1243] write(3, "1000", 4 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1243] <... write resumed>)        = 4
[pid  1243] close(3 <unfinished ...>
[pid  1245] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1243] <... close resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1246 attached
[pid  1244] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1243] write(1, "executing program\n", 18 <unfinished ...>
[pid  1244] <... set_robust_list resumed>) = 0
[pid  1243] <... write resumed>)        = 18
[pid  1245] <... set_robust_list resumed>) = 0
executing program
[pid  1244] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1245
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1246
[pid  1245] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1243] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1243
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1246] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1245] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1243] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1246] <... set_robust_list resumed>) = 0
[pid  1245] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1244] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1243] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1246] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1245] <... prctl resumed>)        = 0
[pid  1244] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1243] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1246] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1244] <... prctl resumed>)        = 0
[pid  1243] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1245] setpgid(0, 0 <unfinished ...>
[pid  1244] setpgid(0, 0 <unfinished ...>
[pid  1243] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1245] <... setpgid resumed>)      = 0
[pid  1246] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1244] <... setpgid resumed>)      = 0
[pid  1243] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1246] <... prctl resumed>)        = 0
[pid  1245] <... openat resumed>)       = 3
[pid  1245] write(3, "1000", 4 <unfinished ...>
[pid  1243] <... mmap resumed>)         = 0x7fb4de009000
[pid  1246] setpgid(0, 0 <unfinished ...>
[pid  1243] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1246] <... setpgid resumed>)      = 0
[pid  1245] <... write resumed>)        = 4
[pid  1245] close(3 <unfinished ...>
[pid  1243] <... mprotect resumed>)     = 0
[pid  1246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1245] <... close resumed>)        = 0
[pid  1244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1243] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1245] write(1, "executing program\n", 18 <unfinished ...>
[pid  1246] <... openat resumed>)       = 3
[pid  1245] <... write resumed>)        = 18
[pid  1243] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1246] write(3, "1000", 4 <unfinished ...>
[pid  1245] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1244] <... openat resumed>)       = 3
[pid  1246] <... write resumed>)        = 4
executing program
[pid  1243] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1246] close(3 <unfinished ...>
[pid  1244] write(3, "1000", 4ci2-android-6-12-rust/strace-static-x86_64: Process 1247 attached
 <unfinished ...>
[pid  1246] <... close resumed>)        = 0
[pid  1245] <... futex resumed>)        = 0
[pid  1244] <... write resumed>)        = 4
[pid  1247] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1246] write(1, "executing program\n", 18 <unfinished ...>
[pid  1245] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1243] <... clone3 resumed> => {parent_tid=[1247]}, 88) = 1247
[pid  1247] <... set_robust_list resumed>) = 0
[pid  1246] <... write resumed>)        = 18
[pid  1245] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1244] close(3 <unfinished ...>
[pid  1243] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1247] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1246] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1245] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1244] <... close resumed>)        = 0
[pid  1243] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1247] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  1246] <... futex resumed>)        = 0
[pid  1245] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1244] write(1, "executing program\n", 18 <unfinished ...>
[pid  1243] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1247] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1246] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
executing program
[pid  1245] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1244] <... write resumed>)        = 18
[pid  1243] <... futex resumed>)        = 0
[pid  1247] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1246] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1245] <... mmap resumed>)         = 0x7fb4de009000
[pid  1244] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1247] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1246] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1245] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1243] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1247] <... futex resumed>)        = 0
[pid  1246] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1245] <... mprotect resumed>)     = 0
[pid  1244] <... futex resumed>)        = 0
[pid  1243] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1247] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1246] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1244] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1243] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1246] <... mmap resumed>)         = 0x7fb4de009000
[pid  1244] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1243] <... futex resumed>)        = 0
[pid  1246] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1244] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1243] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1246] <... mprotect resumed>)     = 0
[pid  1244] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1247] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1246] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1245] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1247] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1246] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1245] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1247] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1246] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1245] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1244] <... mmap resumed>)         = 0x7fb4de009000
ci2-android-6-12-rust/strace-static-x86_64: Process 1248 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1249 attached
[pid  1247] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1244] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1249] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1248] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1247] <... futex resumed>)        = 1
[pid  1246] <... clone3 resumed> => {parent_tid=[1248]}, 88) = 1248
[pid  1245] <... clone3 resumed> => {parent_tid=[1249]}, 88) = 1249
[pid  1243] <... futex resumed>)        = 0
[pid  1249] <... set_robust_list resumed>) = 0
[pid  1248] <... set_robust_list resumed>) = 0
[pid  1247] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1246] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1245] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1244] <... mprotect resumed>)     = 0
[pid  1243] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1249] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1248] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1247] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1246] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1245] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1243] <... futex resumed>)        = 0
[pid  1249] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1248] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1247] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1245] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1244] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1243] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1249] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1248] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1247] <... openat resumed>)       = 3
[pid  1246] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1245] <... futex resumed>)        = 0
[pid  1244] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1248] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1247] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1246] <... futex resumed>)        = 0
[pid  1245] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1244] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1249] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1248] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1247] <... futex resumed>)        = 1
[pid  1246] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1243] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1250 attached
[pid  1249] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1248] <... futex resumed>)        = 0
[pid  1247] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1246] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1245] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1243] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1250] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1249] <... futex resumed>)        = 0
[pid  1248] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1247] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1246] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1245] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1244] <... clone3 resumed> => {parent_tid=[1250]}, 88) = 1250
[pid  1243] <... futex resumed>)        = 0
[pid  1250] <... set_robust_list resumed>) = 0
[pid  1249] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1248] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1247] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1246] <... futex resumed>)        = 0
[pid  1245] <... futex resumed>)        = 0
[pid  1244] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1243] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1250] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1249] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1248] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1247] <... write resumed>)        = 2
[pid  1246] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1245] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1244] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1250] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1249] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1248] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1247] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1245] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1244] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1250] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1249] <... futex resumed>)        = 0
[pid  1248] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1247] <... futex resumed>)        = 1
[pid  1245] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1244] <... futex resumed>)        = 0
[pid  1243] <... futex resumed>)        = 0
[pid  1250] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1249] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1248] <... futex resumed>)        = 1
[pid  1247] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1246] <... futex resumed>)        = 0
[pid  1245] <... futex resumed>)        = 0
[pid  1244] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1243] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1249] <... openat resumed>)       = 3
[pid  1248] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1247] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1246] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1245] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1243] <... futex resumed>)        = 0
[pid  1250] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1249] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1248] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1247] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1246] <... futex resumed>)        = 0
[pid  1245] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1243] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1250] <... futex resumed>)        = 1
[pid  1249] <... futex resumed>)        = 0
[pid  1248] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1247] <... openat resumed>)       = 4
[pid  1246] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1245] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1244] <... futex resumed>)        = 0
[pid  1249] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1244] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1249] <... write resumed>)        = 2
[pid  1248] <... openat resumed>)       = 3
[pid  1244] <... futex resumed>)        = 0
[pid  1250] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1249] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1248] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1244] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1249] <... futex resumed>)        = 0
[pid  1248] <... futex resumed>)        = 1
[pid  1246] <... futex resumed>)        = 0
[pid  1249] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1250] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1248] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1246] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1249] <... futex resumed>)        = 0
[pid  1247] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1246] <... futex resumed>)        = 0
[pid  1245] <... futex resumed>)        = 1
[pid  1250] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1249] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1248] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1247] <... futex resumed>)        = 1
[pid  1246] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1245] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1243] <... futex resumed>)        = 0
[pid  1250] <... futex resumed>)        = 1
[pid  1248] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1247] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1245] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1244] <... futex resumed>)        = 0
[pid  1243] exit_group(0 <unfinished ...>
[pid  1250] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1248] <... write resumed>)        = 2
[pid  1247] <... futex resumed>)        = ?
[pid  1245] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1244] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1243] <... exit_group resumed>)   = ?
[pid  1250] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1249] <... futex resumed>)        = 0
[pid  1248] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1247] +++ exited with 0 +++
[pid  1245] <... futex resumed>)        = 1
[pid  1244] <... futex resumed>)        = 0
[pid  1243] +++ exited with 0 +++
[pid  1250] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1249] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1248] <... futex resumed>)        = 1
[pid  1246] <... futex resumed>)        = 0
[pid  1245] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1244] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1250] <... openat resumed>)       = 3
[pid  1249] <... openat resumed>)       = 4
[pid  1248] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1246] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1243, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1250] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1249] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1248] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1246] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1250] <... futex resumed>)        = 1
[pid  1249] <... futex resumed>)        = 1
[pid  1248] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1246] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1245] <... futex resumed>)        = 0
[pid  1244] <... futex resumed>)        = 0
[pid  1250] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1249] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1248] <... openat resumed>)       = 4
[pid  1245] exit_group(0 <unfinished ...>
[pid  1250] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1249] <... futex resumed>)        = ?
[pid  1248] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1245] <... exit_group resumed>)   = ?
[pid  1244] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1250] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1249] +++ exited with 0 +++
[pid  1248] <... futex resumed>)        = 1
[pid  1246] <... futex resumed>)        = 0
[pid  1245] +++ exited with 0 +++
[pid  1244] <... futex resumed>)        = 0
[pid  1250] <... write resumed>)        = 2
[pid  1246] exit_group(0 <unfinished ...>
[pid  1244] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1245, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1250] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1246] <... exit_group resumed>)   = ?
[pid  1244] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1250] <... futex resumed>)        = 0
[pid  1248] +++ exited with 0 +++
[pid  1244] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1244] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1250] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid  1246] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1246, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1250] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1251 attached
 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1250] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 1252 attached
[pid  1251] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1251] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1250] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1244] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1253 attached
[pid  1253] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1252] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1251] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1244] exit_group(0 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1252
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1253
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1251
[pid  1253] <... set_robust_list resumed>) = 0
[pid  1252] <... set_robust_list resumed>) = 0
[pid  1251] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1250] <... futex resumed>)        = ?
[pid  1244] <... exit_group resumed>)   = ?
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1253] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1252] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1251] <... prctl resumed>)        = 0
[pid  1250] +++ exited with 0 +++
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1252] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1251] setpgid(0, 0 <unfinished ...>
[pid  1252] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1251] <... setpgid resumed>)      = 0
[pid  1253] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1252] <... prctl resumed>)        = 0
[pid  1251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1244] +++ exited with 0 +++
[pid  1253] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1252] setpgid(0, 0 <unfinished ...>
[pid  1251] <... openat resumed>)       = 3
[pid  1253] <... prctl resumed>)        = 0
[pid  1252] <... setpgid resumed>)      = 0
[pid  1253] setpgid(0, 0)               = 0
[pid  1252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1251] write(3, "1000", 4 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1244, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1252] <... openat resumed>)       = 3
[pid  1251] <... write resumed>)        = 4
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1251] close(3)                    = 0
[pid  1253] <... openat resumed>)       = 3
[pid  1252] write(3, "1000", 4 <unfinished ...>
[pid  1251] write(1, "executing program\n", 18 <unfinished ...>
[pid  1253] write(3, "1000", 4 <unfinished ...>
[pid  1252] <... write resumed>)        = 4
executing program
[pid  1251] <... write resumed>)        = 18
[pid  1253] <... write resumed>)        = 4
[pid  1252] close(3 <unfinished ...>
[pid  1253] close(3)                    = 0
[pid  1252] <... close resumed>)        = 0
[pid  1251] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1253] write(1, "executing program\n", 18 <unfinished ...>
[pid  1252] write(1, "executing program\n", 18 <unfinished ...>
[pid  1251] <... futex resumed>)        = 0
executing program
executing program
[pid  1253] <... write resumed>)        = 18
[pid  1252] <... write resumed>)        = 18
[pid  1251] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1253] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1252] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1251] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1253] <... futex resumed>)        = 0
[pid  1252] <... futex resumed>)        = 0
[pid  1251] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1253] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1252] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1251] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1253] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1253] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1252] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1251] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1253] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1252] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1251] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1252] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1251] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1253] <... mmap resumed>)         = 0x7fb4de009000
[pid  1252] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1251] <... mprotect resumed>)     = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1254 attached
[pid  1253] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1252] <... mmap resumed>)         = 0x7fb4de009000
[pid  1253] <... mprotect resumed>)     = 0
[pid  1251] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1253] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1251] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1254] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1253] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1253] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1252] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITEci2-android-6-12-rust/strace-static-x86_64: Process 1256 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1255 attached
) = 0
[pid  1251] <... clone3 resumed> => {parent_tid=[1255]}, 88) = 1255
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1254
[pid  1256] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1255] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1253] <... clone3 resumed> => {parent_tid=[1256]}, 88) = 1256
[pid  1252] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1251] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1256] <... set_robust_list resumed>) = 0
[pid  1255] <... set_robust_list resumed>) = 0
[pid  1253] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1252] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1251] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1255] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1253] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1252] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1257 attached
[pid  1256] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1255] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1253] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1251] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1256] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1253] <... futex resumed>)        = 0
[pid  1257] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1256] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1255] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1253] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1251] <... futex resumed>)        = 0
[pid  1257] <... set_robust_list resumed>) = 0
[pid  1256] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1255] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1254] <... set_robust_list resumed>) = 0
[pid  1252] <... clone3 resumed> => {parent_tid=[1257]}, 88) = 1257
[pid  1251] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1257] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1256] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1255] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1252] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1251] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1257] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1256] <... futex resumed>)        = 1
[pid  1255] <... futex resumed>)        = 0
[pid  1253] <... futex resumed>)        = 0
[pid  1252] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1251] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1257] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1256] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1255] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1254] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1253] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1252] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1251] <... futex resumed>)        = 0
[pid  1257] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1256] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1255] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1254] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1253] <... futex resumed>)        = 0
[pid  1252] <... futex resumed>)        = 0
[pid  1251] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1257] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1256] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1254] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1253] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1252] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1257] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1255] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1256] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1257] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1256] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1255] <... futex resumed>)        = 1
[pid  1254] <... prctl resumed>)        = 0
[pid  1251] <... futex resumed>)        = 0
[pid  1257] <... futex resumed>)        = 1
[pid  1255] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1254] setpgid(0, 0 <unfinished ...>
[pid  1256] <... futex resumed>)        = 1
[pid  1253] <... futex resumed>)        = 0
[pid  1252] <... futex resumed>)        = 0
[pid  1251] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1257] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1256] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1255] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1254] <... setpgid resumed>)      = 0
[pid  1253] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1252] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1251] <... futex resumed>)        = 0
[pid  1257] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1256] <... openat resumed>)       = 3
[pid  1255] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1253] <... futex resumed>)        = 0
[pid  1252] <... futex resumed>)        = 0
[pid  1254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1251] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1257] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1253] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1254] <... openat resumed>)       = 3
[pid  1257] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1255] <... openat resumed>)       = 3
[pid  1252] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1257] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1255] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1252] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1257] <... futex resumed>)        = 0
[pid  1255] <... futex resumed>)        = 1
[pid  1252] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1251] <... futex resumed>)        = 0
[pid  1257] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1255] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1252] <... futex resumed>)        = 0
[pid  1251] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1257] <... openat resumed>)       = 3
[pid  1255] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1252] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1251] <... futex resumed>)        = 0
[pid  1251] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1255] write(3, "\x38\x00", 2)     = 2
[pid  1255] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1251] <... futex resumed>)        = 0
[pid  1257] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1255] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1251] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1257] <... futex resumed>)        = 1
[pid  1255] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1252] <... futex resumed>)        = 0
[pid  1251] <... futex resumed>)        = 0
[pid  1257] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1255] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1252] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1251] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1257] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1255] <... openat resumed>)       = 4
[pid  1252] <... futex resumed>)        = 0
[pid  1252] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1257] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1255] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1257] <... write resumed>)        = 2
[pid  1251] <... futex resumed>)        = 0
[pid  1257] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1255] <... futex resumed>)        = 1
[pid  1251] exit_group(0 <unfinished ...>
[pid  1257] <... futex resumed>)        = 1
[pid  1255] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1252] <... futex resumed>)        = 0
[pid  1257] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1255] <... futex resumed>)        = ?
[pid  1252] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1251] <... exit_group resumed>)   = ?
[pid  1257] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1255] +++ exited with 0 +++
[pid  1252] <... futex resumed>)        = 0
[pid  1251] +++ exited with 0 +++
[pid  1257] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1252] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1251, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1257] <... openat resumed>)       = 4
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1257] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1252] <... futex resumed>)        = 0
[pid  1257] <... futex resumed>)        = 1
[pid  1252] exit_group(0 <unfinished ...>
[pid  1257] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid  1252] <... exit_group resumed>)   = ?
[pid  1257] +++ exited with 0 +++
[pid  1252] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1252, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1256] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1256] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1254] write(3, "1000", 4)         = 4
[pid  1254] close(3)                    = 0
[pid  1254] write(1, "executing program\n", 18) = 18
[pid  1254] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1254] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1254] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1254] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
executing program
[pid  1254] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1254] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1253] <... futex resumed>)        = 0
[pid  1254] <... clone3 resumed> => {parent_tid=[1258]}, 88) = 1258
[pid  1253] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1258 attached
 <unfinished ...>
[pid  1256] <... futex resumed>)        = 0
[pid  1253] <... futex resumed>)        = 1
[pid  1256] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1258] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1254] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1258] <... set_robust_list resumed>) = 0
[pid  1256] <... write resumed>)        = 2
[pid  1254] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1253] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1258] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1256] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1254] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1253] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1258] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1256] <... futex resumed>)        = 0
[pid  1253] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1256] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1254] <... futex resumed>)        = 0
[pid  1253] <... futex resumed>)        = 0
[pid  1258] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1256] <... openat resumed>)       = 4
[pid  1254] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1253] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1258] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1256] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1253] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1258] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1256] <... futex resumed>)        = 0
[pid  1256] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1258] <... futex resumed>)        = 1
[pid  1254] <... futex resumed>)        = 0
[pid  1253] exit_group(0 <unfinished ...>
[pid  1258] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1254] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1258] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1256] <... futex resumed>)        = ?
[pid  1254] <... futex resumed>)        = 0
[pid  1253] <... exit_group resumed>)   = ?
[pid  1258] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1256] +++ exited with 0 +++
[pid  1254] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1253] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1253, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1258] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1258] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1254] <... futex resumed>)        = 0
[pid  1258] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1254] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1258] <... futex resumed>)        = 0
[pid  1254] <... futex resumed>)        = 1
[pid  1258] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1254] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1258] <... openat resumed>)       = 3
[pid  1258] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1258] <... futex resumed>)        = 1
[pid  1254] <... futex resumed>)        = 0
[pid  1258] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1254] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1258] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1254] <... futex resumed>)        = 0
[pid  1258] write(3, "\x38\x00", 2 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1258] <... write resumed>)        = 2
[pid  1254] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1258] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1254] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1259 attached
 <unfinished ...>
[pid  1258] <... futex resumed>)        = 0
[pid  1254] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1258] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1259
ci2-android-6-12-rust/strace-static-x86_64: Process 1260 attached
[pid  1258] <... openat resumed>)       = 4
[pid  1254] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1260] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1258] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1260] <... set_robust_list resumed>) = 0
[pid  1258] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1261 attached
[pid  1260] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1258] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1254] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1259] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1261] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1260] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1259] <... set_robust_list resumed>) = 0
[pid  1254] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1261] <... set_robust_list resumed>) = 0
[pid  1260] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1261] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1260] <... prctl resumed>)        = 0
[pid  1259] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1254] exit_group(0 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1260
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1261
[pid  1260] setpgid(0, 0 <unfinished ...>
[pid  1259] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1258] <... futex resumed>)        = ?
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1254] <... exit_group resumed>)   = ?
[pid  1261] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1260] <... setpgid resumed>)      = 0
[pid  1258] +++ exited with 0 +++
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1259] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1261] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1261] <... prctl resumed>)        = 0
[pid  1260] <... openat resumed>)       = 3
[pid  1261] setpgid(0, 0 <unfinished ...>
[pid  1260] write(3, "1000", 4 <unfinished ...>
[pid  1261] <... setpgid resumed>)      = 0
[pid  1260] <... write resumed>)        = 4
[pid  1261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1260] close(3)                    = 0
[pid  1260] write(1, "executing program\n", 18 <unfinished ...>
[pid  1261] <... openat resumed>)       = 3
[pid  1260] <... write resumed>)        = 18
[pid  1260] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1261] write(3, "1000", 4 <unfinished ...>
[pid  1260] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1261] <... write resumed>)        = 4
[pid  1260] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1259] <... prctl resumed>)        = 0
[pid  1254] +++ exited with 0 +++
[pid  1261] close(3 <unfinished ...>
[pid  1260] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1259] setpgid(0, 0 <unfinished ...>
[pid  1261] <... close resumed>)        = 0
[pid  1260] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  1259] <... setpgid resumed>)      = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1254, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1261] write(1, "executing program\n", 18 <unfinished ...>
[pid  1260] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1261] <... write resumed>)        = 18
executing program
[pid  1260] <... mmap resumed>)         = 0x7fb4de009000
[pid  1259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1261] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1260] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1261] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1260] <... mprotect resumed>)     = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  1261] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1260] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1259] <... openat resumed>)       = 3
[pid  1261] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1261] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1260] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1259] write(3, "1000", 4 <unfinished ...>
[pid  1261] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1260] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1259] <... write resumed>)        = 4
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1261] <... mprotect resumed>)     = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1262 attached
[pid  1259] close(3 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1262] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1261] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1260] <... clone3 resumed> => {parent_tid=[1262]}, 88) = 1262
[pid  1261] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1260] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1261] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1260] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1264 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1263 attached
[pid  1262] <... set_robust_list resumed>) = 0
[pid  1260] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1259] <... close resumed>)        = 0
[pid  1260] <... futex resumed>)        = 0
[pid  1259] write(1, "executing program\n", 18 <unfinished ...>
[pid  1264] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1262] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1264] <... set_robust_list resumed>) = 0
[pid  1259] <... write resumed>)        = 18
[pid  1264] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1262] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1264] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1259] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1263] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1262] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1261] <... clone3 resumed> => {parent_tid=[1264]}, 88) = 1264
[pid  1260] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1264] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1263] <... set_robust_list resumed>) = 0
[pid  1262] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1261] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1259] <... futex resumed>)        = 0
[pid  1263] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1261] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1263
[pid  1263] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1262] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1261] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1259] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1264] <... futex resumed>)        = 0
[pid  1263] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1262] <... futex resumed>)        = 1
[pid  1261] <... futex resumed>)        = 1
[pid  1260] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1264] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1263] <... prctl resumed>)        = 0
[pid  1262] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1261] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1260] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1259] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1264] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1263] setpgid(0, 0 <unfinished ...>
[pid  1262] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1260] <... futex resumed>)        = 0
[pid  1259] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1264] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1263] <... setpgid resumed>)      = 0
[pid  1262] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1260] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1259] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1261] <... futex resumed>)        = 0
[pid  1261] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1263] <... openat resumed>)       = 3
[pid  1261] <... futex resumed>)        = 0
[pid  1261] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1263] write(3, "1000", 4 <unfinished ...>
[pid  1262] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1259] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1263] <... write resumed>)        = 4
[pid  1264] <... futex resumed>)        = 1
[pid  1263] close(3 <unfinished ...>
[pid  1262] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1259] <... mmap resumed>)         = 0x7fb4de009000
[pid  1264] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1263] <... close resumed>)        = 0
[pid  1262] <... futex resumed>)        = 1
[pid  1260] <... futex resumed>)        = 0
[pid  1259] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1264] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
executing program
[pid  1263] write(1, "executing program\n", 18 <unfinished ...>
[pid  1260] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1263] <... write resumed>)        = 18
[pid  1260] <... futex resumed>)        = 0
[pid  1259] <... mprotect resumed>)     = 0
[pid  1263] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1260] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1263] <... futex resumed>)        = 0
[pid  1263] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1263] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1262] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1264] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1259] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1264] <... futex resumed>)        = 1
[pid  1263] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1262] <... openat resumed>)       = 3
[pid  1261] <... futex resumed>)        = 0
[pid  1259] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1264] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1263] <... mprotect resumed>)     = 0
[pid  1262] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1261] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1259] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1264] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1263] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1262] <... futex resumed>)        = 1
[pid  1261] <... futex resumed>)        = 0
[pid  1260] <... futex resumed>)        = 0
[pid  1264] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1262] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 1265 attached
 <unfinished ...>
[pid  1264] <... openat resumed>)       = 3
[pid  1263] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1262] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1261] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1260] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1259] <... clone3 resumed> => {parent_tid=[1265]}, 88) = 1265
[pid  1265] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1264] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1263] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1262] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1261] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1260] <... futex resumed>)        = 0
[pid  1259] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1266 attached
 <unfinished ...>
[pid  1265] <... set_robust_list resumed>) = 0
[pid  1264] <... futex resumed>)        = 0
[pid  1262] <... write resumed>)        = 2
[pid  1261] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1260] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1259] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1266] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1265] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1264] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1263] <... clone3 resumed> => {parent_tid=[1266]}, 88) = 1266
[pid  1262] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1261] <... futex resumed>)        = 0
[pid  1260] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1259] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1266] <... set_robust_list resumed>) = 0
[pid  1265] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1264] <... write resumed>)        = 2
[pid  1263] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1262] <... futex resumed>)        = 0
[pid  1261] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1260] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1259] <... futex resumed>)        = 0
[pid  1266] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1265] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1264] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1263] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1262] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1261] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1260] <... futex resumed>)        = 0
[pid  1259] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1266] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1265] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1264] <... futex resumed>)        = 0
[pid  1263] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1261] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1260] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1265] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1264] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1263] <... futex resumed>)        = 0
[pid  1266] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1262] <... openat resumed>)       = 4
[pid  1261] <... futex resumed>)        = 0
[pid  1259] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1266] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1265] <... futex resumed>)        = 0
[pid  1264] <... openat resumed>)       = 4
[pid  1263] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1262] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1261] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1259] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1266] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1265] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1264] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1263] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1262] <... futex resumed>)        = 1
[pid  1261] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1260] <... futex resumed>)        = 0
[pid  1266] <... futex resumed>)        = 0
[pid  1265] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1264] <... futex resumed>)        = 0
[pid  1263] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1262] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1261] exit_group(0 <unfinished ...>
[pid  1260] exit_group(0 <unfinished ...>
[pid  1259] <... futex resumed>)        = 0
[pid  1266] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1265] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1263] <... futex resumed>)        = 0
[pid  1262] <... futex resumed>)        = ?
[pid  1261] <... exit_group resumed>)   = ?
[pid  1260] <... exit_group resumed>)   = ?
[pid  1259] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1266] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1265] <... futex resumed>)        = 0
[pid  1264] +++ exited with 0 +++
[pid  1263] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1262] +++ exited with 0 +++
[pid  1261] +++ exited with 0 +++
[pid  1260] +++ exited with 0 +++
[pid  1259] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1266] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1265] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1263] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1260, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1261, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1263] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1259] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1266] <... futex resumed>)        = 0
[pid  1263] <... futex resumed>)        = 0
[pid  1263] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1265] <... futex resumed>)        = 0
[pid  1265] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1259] <... futex resumed>)        = 1
[pid  1266] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1265] <... openat resumed>)       = 3
[pid  1259] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1266] <... openat resumed>)       = 3
[pid  1266] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1265] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1259] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1266] <... futex resumed>)        = 1
[pid  1265] <... futex resumed>)        = 0
[pid  1263] <... futex resumed>)        = 0
[pid  1259] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1265] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1263] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1259] <... futex resumed>)        = 0
[pid  1266] write(3, "\x38\x00", 2)     = 2
[pid  1265] <... write resumed>)        = 2
[pid  1263] <... futex resumed>)        = 0
[pid  1259] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1266] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1265] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1263] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1259] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1266] <... futex resumed>)        = 0
[pid  1265] <... futex resumed>)        = 0
[pid  1263] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1259] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1266] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1265] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1263] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1259] <... futex resumed>)        = 0
[pid  1266] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1265] <... openat resumed>)       = 4
[pid  1263] <... futex resumed>)        = 0
[pid  1259] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1266] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1263] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1266] <... openat resumed>)       = 4
[pid  1265] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1266] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1259] <... futex resumed>)        = 0
[pid  1266] <... futex resumed>)        = 1
[pid  1265] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1263] <... futex resumed>)        = 0
[pid  1259] exit_group(0 <unfinished ...>
[pid  1266] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1263] exit_group(0 <unfinished ...>
[pid  1259] <... exit_group resumed>)   = ?
[pid  1265] <... futex resumed>)        = ?
[pid  1266] <... futex resumed>)        = ?
[pid  1263] <... exit_group resumed>)   = ?
[pid  1265] +++ exited with 0 +++
[pid  1259] +++ exited with 0 +++
[pid  1266] +++ exited with 0 +++
[pid  1263] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1259, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1263, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557716c690) = 1267
ci2-android-6-12-rust/strace-static-x86_64: Process 1267 attached
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1267] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1267] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1267] setpgid(0, 0)               = 0
[pid  1267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1267] write(3, "1000", 4)         = 4
[pid  1267] close(3)                    = 0
[pid  1267] write(1, "executing program\n", 18) = 18
executing program
[pid  1267] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1267] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1267] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1267] <... mmap resumed>)         = 0x7fb4de009000
[pid  1267] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1267] <... mprotect resumed>)     = 0
[pid  1267] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1267] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1268 attached
 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1268
[pid  1268] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1267] <... clone3 resumed> => {parent_tid=[1269]}, 88) = 1269
[pid   314] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1269 attached
, NULL, 8) = 0
[pid  1268] <... set_robust_list resumed>) = 0
[pid  1269] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1267] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1269] <... set_robust_list resumed>) = 0
[pid  1268] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1269] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1267] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1269] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1267] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1268] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1268] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1267] <... futex resumed>)        = 0
[pid  1269] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1268] <... prctl resumed>)        = 0
[pid  1267] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1269] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1268] setpgid(0, 0 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1269] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1268] <... setpgid resumed>)      = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1269] <... futex resumed>)        = 1
[pid  1267] <... futex resumed>)        = 0
[pid  1268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1269] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1267] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1269] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1270 attached
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1268] <... openat resumed>)       = 3
[pid  1270] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1268] write(3, "1000", 4 <unfinished ...>
[pid  1270] <... set_robust_list resumed>) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1268] <... write resumed>)        = 4
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1270
[pid  1268] close(3 <unfinished ...>
[pid  1269] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1268] <... close resumed>)        = 0
[pid  1267] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1269] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
ci2-android-6-12-rust/strace-static-x86_64: Process 1271 attached
[pid  1270] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1269] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1268] write(1, "executing program\n", 18 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1271] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1270] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1269] <... futex resumed>)        = 1
executing program
[pid  1267] <... futex resumed>)        = 0
[pid  1271] <... set_robust_list resumed>) = 0
[pid  1270] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1269] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1268] <... write resumed>)        = 18
[pid  1267] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1271
[pid  1271] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1270] <... prctl resumed>)        = 0
[pid  1269] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1267] <... futex resumed>)        = 0
[pid  1268] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1271] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1270] setpgid(0, 0 <unfinished ...>
[pid  1269] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1267] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1271] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1270] <... setpgid resumed>)      = 0
[pid  1269] <... openat resumed>)       = 3
[pid  1268] <... futex resumed>)        = 0
[pid  1271] <... prctl resumed>)        = 0
[pid  1270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1269] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1268] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1271] setpgid(0, 0 <unfinished ...>
[pid  1270] <... openat resumed>)       = 3
[pid  1269] <... futex resumed>)        = 1
[pid  1268] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1267] <... futex resumed>)        = 0
[pid  1271] <... setpgid resumed>)      = 0
[pid  1270] write(3, "1000", 4 <unfinished ...>
[pid  1269] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1268] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1267] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1270] <... write resumed>)        = 4
[pid  1269] <... write resumed>)        = 2
[pid  1268] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1267] <... futex resumed>)        = 0
[pid  1271] <... openat resumed>)       = 3
[pid  1270] close(3 <unfinished ...>
[pid  1269] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1267] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1271] write(3, "1000", 4 <unfinished ...>
[pid  1270] <... close resumed>)        = 0
[pid  1269] <... futex resumed>)        = 0
[pid  1268] <... mmap resumed>)         = 0x7fb4de009000
[pid  1267] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1271] <... write resumed>)        = 4
[pid  1270] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  1269] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1268] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1267] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1271] close(3 <unfinished ...>
[pid  1270] <... write resumed>)        = 18
[pid  1269] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1267] <... futex resumed>)        = 0
[pid  1271] <... close resumed>)        = 0
[pid  1270] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1269] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1268] <... mprotect resumed>)     = 0
[pid  1267] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1271] write(1, "executing program\n", 18 <unfinished ...>
[pid  1270] <... futex resumed>)        = 0
[pid  1269] <... openat resumed>)       = 4
[pid  1268] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1271] <... write resumed>)        = 18
[pid  1270] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1271] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1268] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1270] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1271] <... futex resumed>)        = 0
[pid  1268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1271] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
executing program
[pid  1270] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 1272 attached
 <unfinished ...>
[pid  1271] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1270] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1269] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1272] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1271] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1269] <... futex resumed>)        = 1
[pid  1267] <... futex resumed>)        = 0
[pid  1272] <... set_robust_list resumed>) = 0
[pid  1271] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1270] <... mmap resumed>)         = 0x7fb4de009000
[pid  1269] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1268] <... clone3 resumed> => {parent_tid=[1272]}, 88) = 1272
[pid  1267] exit_group(0 <unfinished ...>
[pid  1272] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1271] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1270] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1269] <... futex resumed>)        = ?
[pid  1268] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1267] <... exit_group resumed>)   = ?
[pid  1272] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1271] <... mmap resumed>)         = 0x7fb4de009000
[pid  1270] <... mprotect resumed>)     = 0
[pid  1269] +++ exited with 0 +++
[pid  1268] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1267] +++ exited with 0 +++
[pid  1272] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1270] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1272] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1271] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1268] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1270] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1272] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1271] <... mprotect resumed>)     = 0
[pid  1268] <... futex resumed>)        = 0
[pid  1270] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1272] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1268] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1272] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1271] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1267, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 1273 attached
[pid  1272] <... futex resumed>)        = 0
[pid  1271] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1268] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1273] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1272] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1271] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1270] <... clone3 resumed> => {parent_tid=[1273]}, 88) = 1273
[pid  1268] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1273] <... set_robust_list resumed>) = 0
[pid  1272] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1268] <... futex resumed>)        = 0
[pid  1273] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1272] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1270] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1268] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1274 attached
 <unfinished ...>
[pid  1273] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1270] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1272] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1274] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1273] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1272] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1271] <... clone3 resumed> => {parent_tid=[1274]}, 88) = 1274
[pid  1270] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1274] <... set_robust_list resumed>) = 0
[pid  1273] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1272] <... futex resumed>)        = 1
[pid  1271] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1270] <... futex resumed>)        = 0
[pid  1268] <... futex resumed>)        = 0
[pid  1274] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1273] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1272] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1271] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1268] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1274] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1273] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1272] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1271] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1270] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1268] <... futex resumed>)        = 0
[pid  1274] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1273] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1272] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1271] <... futex resumed>)        = 0
[pid  1270] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1268] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1274] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1273] <... futex resumed>)        = 0
[pid  1272] <... openat resumed>)       = 3
[pid  1271] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1270] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1274] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1273] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1272] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1271] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1270] <... futex resumed>)        = 0
[pid  1274] <... futex resumed>)        = 0
[pid  1273] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1272] <... futex resumed>)        = 1
[pid  1271] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1270] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1268] <... futex resumed>)        = 0
[pid  1274] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1273] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1272] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1271] <... futex resumed>)        = 0
[pid  1270] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1274] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1273] <... futex resumed>)        = 0
[pid  1272] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1271] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1268] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1270] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1274] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1273] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1272] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1271] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1270] <... futex resumed>)        = 0
[pid  1268] <... futex resumed>)        = 0
[pid  1274] <... futex resumed>)        = 0
[pid  1273] <... openat resumed>)       = 3
[pid  1272] <... write resumed>)        = 2
[pid  1271] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1270] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1268] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1274] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1273] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1272] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1271] <... futex resumed>)        = 0
[pid  1270] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1268] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1274] <... openat resumed>)       = 3
[pid  1273] <... futex resumed>)        = 0
[pid  1272] <... futex resumed>)        = 0
[pid  1271] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1270] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1268] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1274] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1273] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1272] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1270] <... futex resumed>)        = 0
[pid  1268] <... futex resumed>)        = 0
[pid  1271] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1274] <... futex resumed>)        = 0
[pid  1273] <... write resumed>)        = 2
[pid  1270] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1268] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1274] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1273] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1272] <... openat resumed>)       = 4
[pid  1271] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1270] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1274] <... write resumed>)        = 2
[pid  1273] <... futex resumed>)        = 0
[pid  1272] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1271] <... futex resumed>)        = 0
[pid  1270] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1274] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1273] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1272] <... futex resumed>)        = 1
[pid  1271] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1270] <... futex resumed>)        = 0
[pid  1268] <... futex resumed>)        = 0
[pid  1274] <... futex resumed>)        = 0
[pid  1273] <... openat resumed>)       = 4
[pid  1272] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1271] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1274] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1270] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1268] exit_group(0 <unfinished ...>
[pid  1274] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1273] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1271] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1270] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1274] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1273] <... futex resumed>)        = 0
[pid  1272] <... futex resumed>)        = ?
[pid  1271] <... futex resumed>)        = 0
[pid  1268] <... exit_group resumed>)   = ?
[pid  1272] +++ exited with 0 +++
[pid  1273] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1271] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1270] exit_group(0 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1274] <... openat resumed>)       = 4
[pid  1274] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1273] <... futex resumed>)        = ?
[pid  1270] <... exit_group resumed>)   = ?
[pid  1268] +++ exited with 0 +++
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1274] <... futex resumed>)        = 1
[pid  1271] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1274] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1271] exit_group(0 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1268, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 1275 attached
[pid  1274] <... futex resumed>)        = ?
[pid  1273] +++ exited with 0 +++
[pid  1271] <... exit_group resumed>)   = ?
[pid  1270] +++ exited with 0 +++
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1275
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1274] +++ exited with 0 +++
[pid  1271] +++ exited with 0 +++
[pid  1275] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1270, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1275] <... set_robust_list resumed>) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1271, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1275] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1275] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1275] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1275] setpgid(0, 0)               = 0
[pid  1275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1275] write(3, "1000", 4)         = 4
[pid  1275] close(3)                    = 0
[pid  1275] write(1, "executing program\n", 18) = 18
executing program
[pid  1275] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1275] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1275] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1275] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1275] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1275] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1275] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1276 attached
 => {parent_tid=[1276]}, 88) = 1276
[pid  1276] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  1275] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1276] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1275] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1276] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1275] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1276] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1276] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1275] <... futex resumed>)        = 0
[pid  1276] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1275] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1276] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1275] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1276] <... futex resumed>)        = 0
[pid  1276] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1275] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1276] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1275] <... futex resumed>)        = 0
[pid  1275] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1276] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  1276] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1275] <... futex resumed>)        = 0
[pid  1276] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1275] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1276] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1276] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  1275] <... futex resumed>)        = 0
[pid  1276] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1275] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1276] <... futex resumed>)        = 0
[pid  1275] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1276] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1275] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1276] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1276] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1275] <... futex resumed>)        = 0
[pid  1276] <... write resumed>)        = 2
[pid  1275] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1276] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1275] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1276] <... futex resumed>)        = 0
[pid  1275] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1276] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1275] <... futex resumed>)        = 0
[pid  1276] <... openat resumed>)       = 4
[pid  1275] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1277 attached
 <unfinished ...>
[pid  1276] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1275] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 1278 attached
[pid  1276] <... futex resumed>)        = 0
[pid  1275] exit_group(0 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1275] <... exit_group resumed>)   = ?
[pid  1276] +++ exited with 0 +++
[pid  1275] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1275, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1278] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1277] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1277
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1278
ci2-android-6-12-rust/strace-static-x86_64: Process 1279 attached
[pid  1278] <... set_robust_list resumed>) = 0
[pid  1277] <... set_robust_list resumed>) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1279
[pid  1278] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1277] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1279] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1278] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1277] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1279] <... set_robust_list resumed>) = 0
[pid  1278] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1277] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1279] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1278] <... prctl resumed>)        = 0
[pid  1277] <... prctl resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1280 attached
[pid  1279] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1277] setpgid(0, 0 <unfinished ...>
[pid  1280] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1278] setpgid(0, 0 <unfinished ...>
[pid  1277] <... setpgid resumed>)      = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1280
[pid  1279] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1278] <... setpgid resumed>)      = 0
[pid  1277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1279] <... prctl resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1277] <... openat resumed>)       = 3
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1280] <... set_robust_list resumed>) = 0
[pid  1279] setpgid(0, 0 <unfinished ...>
[pid  1278] <... openat resumed>)       = 3
[pid  1277] write(3, "1000", 4 <unfinished ...>
[pid  1280] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1279] <... setpgid resumed>)      = 0
[pid  1278] write(3, "1000", 4 <unfinished ...>
[pid  1277] <... write resumed>)        = 4
[pid  1277] close(3 <unfinished ...>
[pid  1280] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1278] <... write resumed>)        = 4
[pid  1277] <... close resumed>)        = 0
[pid  1278] close(3 <unfinished ...>
executing program
[pid  1277] write(1, "executing program\n", 18) = 18
[pid  1277] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1280] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1277] <... futex resumed>)        = 0
[pid  1278] <... close resumed>)        = 0
[pid  1280] <... prctl resumed>)        = 0
[pid  1279] <... openat resumed>)       = 3
[pid  1277] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1278] write(1, "executing program\n", 18 <unfinished ...>
[pid  1280] setpgid(0, 0 <unfinished ...>
[pid  1279] write(3, "1000", 4 <unfinished ...>
[pid  1280] <... setpgid resumed>)      = 0
[pid  1278] <... write resumed>)        = 18
[pid  1277] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1279] <... write resumed>)        = 4
executing program
[pid  1280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1279] close(3 <unfinished ...>
[pid  1278] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1277] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1280] <... openat resumed>)       = 3
[pid  1279] <... close resumed>)        = 0
[pid  1278] <... futex resumed>)        = 0
[pid  1280] write(3, "1000", 4 <unfinished ...>
[pid  1277] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1280] <... write resumed>)        = 4
[pid  1279] write(1, "executing program\n", 18 <unfinished ...>
[pid  1278] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1280] close(3 <unfinished ...>
[pid  1279] <... write resumed>)        = 18
[pid  1278] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1277] <... mmap resumed>)         = 0x7fb4de009000
[pid  1280] <... close resumed>)        = 0
[pid  1278] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1280] write(1, "executing program\n", 18 <unfinished ...>
[pid  1279] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1277] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1278] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1279] <... futex resumed>)        = 0
[pid  1277] <... mprotect resumed>)     = 0
[pid  1280] <... write resumed>)        = 18
[pid  1279] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1280] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1279] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1278] <... mmap resumed>)         = 0x7fb4de009000
executing program
executing program
[pid  1280] <... futex resumed>)        = 0
[pid  1279] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1278] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1277] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1280] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1279] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1280] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1278] <... mprotect resumed>)     = 0
[pid  1277] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1280] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1279] <... mmap resumed>)         = 0x7fb4de009000
[pid  1278] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1277] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1280] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1279] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1279] <... mprotect resumed>)     = 0
[pid  1278] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1281 attached
[pid  1281] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1280] <... mmap resumed>)         = 0x7fb4de009000
[pid  1279] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1278] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1277] <... clone3 resumed> => {parent_tid=[1281]}, 88) = 1281
[pid  1280] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1279] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1277] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1280] <... mprotect resumed>)     = 0
[pid  1279] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1280] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1278] <... clone3 resumed> => {parent_tid=[1282]}, 88) = 1282
[pid  1277] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1280] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1280] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1278] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1277] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1284 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1283 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1282 attached
 <unfinished ...>
[pid  1281] <... set_robust_list resumed>) = 0
[pid  1279] <... clone3 resumed> => {parent_tid=[1283]}, 88) = 1283
[pid  1278] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1277] <... futex resumed>)        = 0
[pid  1283] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1282] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1281] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1283] <... set_robust_list resumed>) = 0
[pid  1282] <... set_robust_list resumed>) = 0
[pid  1283] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1281] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1282] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1283] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1281] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1284] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1283] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1282] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1284] <... set_robust_list resumed>) = 0
[pid  1281] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1282] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1281] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1284] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1281] <... futex resumed>)        = 0
[pid  1280] <... clone3 resumed> => {parent_tid=[1284]}, 88) = 1284
[pid  1279] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1278] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1277] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1284] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1282] <... futex resumed>)        = 0
[pid  1281] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1280] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1279] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1278] <... futex resumed>)        = 1
[pid  1277] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1284] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1282] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1280] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1279] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1278] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1277] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1283] <... futex resumed>)        = 0
[pid  1281] <... futex resumed>)        = 0
[pid  1280] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1279] <... futex resumed>)        = 1
[pid  1277] <... futex resumed>)        = 1
[pid  1283] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1282] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1281] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1280] <... futex resumed>)        = 0
[pid  1279] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1277] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1284] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1283] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1282] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1281] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1280] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1283] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1282] <... futex resumed>)        = 1
[pid  1281] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1278] <... futex resumed>)        = 0
[pid  1284] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1283] <... futex resumed>)        = 1
[pid  1282] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1281] <... futex resumed>)        = 1
[pid  1279] <... futex resumed>)        = 0
[pid  1278] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1277] <... futex resumed>)        = 0
[pid  1279] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1278] <... futex resumed>)        = 0
[pid  1277] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1282] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1281] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1283] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1282] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1279] <... futex resumed>)        = 0
[pid  1278] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1277] <... futex resumed>)        = 0
[pid  1283] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1282] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1281] <... openat resumed>)       = 3
[pid  1279] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1277] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1283] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1282] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1281] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1279] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1277] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1284] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1283] <... futex resumed>)        = 0
[pid  1282] <... futex resumed>)        = 1
[pid  1281] <... futex resumed>)        = 0
[pid  1279] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1278] <... futex resumed>)        = 0
[pid  1277] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1281] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1279] <... futex resumed>)        = 0
[pid  1278] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1277] <... futex resumed>)        = 0
[pid  1284] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1283] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1282] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1281] <... write resumed>)        = 2
[pid  1279] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1278] <... futex resumed>)        = 0
[pid  1277] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1284] <... futex resumed>)        = 1
[pid  1283] <... openat resumed>)       = 3
[pid  1282] <... openat resumed>)       = 3
[pid  1281] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1280] <... futex resumed>)        = 0
[pid  1278] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1277] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1284] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1282] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1281] <... futex resumed>)        = 0
[pid  1280] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1278] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1277] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1282] <... futex resumed>)        = 0
[pid  1281] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1280] <... futex resumed>)        = 0
[pid  1278] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1277] <... futex resumed>)        = 0
[pid  1284] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1282] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1280] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1278] <... futex resumed>)        = 0
[pid  1277] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1281] <... openat resumed>)       = 4
[pid  1284] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1282] <... write resumed>)        = 2
[pid  1278] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1284] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1283] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1282] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1281] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1284] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1283] <... futex resumed>)        = 1
[pid  1282] <... futex resumed>)        = 1
[pid  1279] <... futex resumed>)        = 0
[pid  1278] <... futex resumed>)        = 0
[pid  1282] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1281] <... futex resumed>)        = 1
[pid  1283] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1279] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1278] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1277] <... futex resumed>)        = 0
[pid  1284] <... futex resumed>)        = 1
[pid  1280] <... futex resumed>)        = 0
[pid  1284] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1283] <... write resumed>)        = 2
[pid  1282] <... openat resumed>)       = 4
[pid  1281] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1280] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1279] <... futex resumed>)        = 0
[pid  1278] <... futex resumed>)        = 0
[pid  1277] exit_group(0 <unfinished ...>
[pid  1284] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1283] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1282] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1281] <... futex resumed>)        = ?
[pid  1280] <... futex resumed>)        = 0
[pid  1279] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1278] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1277] <... exit_group resumed>)   = ?
[pid  1284] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1283] <... futex resumed>)        = 0
[pid  1282] <... futex resumed>)        = 0
[pid  1281] +++ exited with 0 +++
[pid  1280] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1279] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1278] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1277] +++ exited with 0 +++
[pid  1284] <... openat resumed>)       = 3
[pid  1283] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1282] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1279] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1278] exit_group(0 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1277, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1284] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1283] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1282] <... futex resumed>)        = ?
[pid  1279] <... futex resumed>)        = 0
[pid  1278] <... exit_group resumed>)   = ?
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1284] <... futex resumed>)        = 1
[pid  1283] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1282] +++ exited with 0 +++
[pid  1280] <... futex resumed>)        = 0
[pid  1279] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1278] +++ exited with 0 +++
[pid  1280] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1278, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1280] <... futex resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1280] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1284] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1283] <... openat resumed>)       = 4
ci2-android-6-12-rust/strace-static-x86_64: Process 1285 attached
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1285
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1285] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1284] <... write resumed>)        = 2
[pid  1283] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1285] <... set_robust_list resumed>) = 0
[pid  1284] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1283] <... futex resumed>)        = 1
[pid  1279] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1285] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1284] <... futex resumed>)        = 1
[pid  1283] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1280] <... futex resumed>)        = 0
[pid  1279] exit_group(0 <unfinished ...>
[pid  1285] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1284] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1283] <... futex resumed>)        = ?
[pid  1280] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1279] <... exit_group resumed>)   = ?
[pid  1285] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1284] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1280] <... futex resumed>)        = 0
[pid  1285] <... prctl resumed>)        = 0
[pid  1284] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1283] +++ exited with 0 +++
[pid  1280] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1279] +++ exited with 0 +++
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1285] setpgid(0, 0 <unfinished ...>
[pid  1284] <... openat resumed>)       = 4
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1279, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1285] <... setpgid resumed>)      = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1284] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1286 attached
) = 1
[pid  1280] <... futex resumed>)        = 0
[pid  1284] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1286] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1285] <... openat resumed>)       = 3
[pid  1280] exit_group(0 <unfinished ...>
[pid  1285] write(3, "1000", 4 <unfinished ...>
[pid  1280] <... exit_group resumed>)   = ?
[pid  1285] <... write resumed>)        = 4
[pid  1284] <... futex resumed>)        = ?
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1286
[pid  1285] close(3 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1285] <... close resumed>)        = 0
[pid  1285] write(1, "executing program\n", 18) = 18
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1285] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1285] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1285] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1284] +++ exited with 0 +++
[pid  1280] +++ exited with 0 +++
executing program
[pid  1286] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1285] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1280, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1286] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1285] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1286] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1285] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1285] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1287 attached
 <unfinished ...>
[pid  1286] <... prctl resumed>)        = 0
[pid  1287] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1286] setpgid(0, 0 <unfinished ...>
[pid  1285] <... clone3 resumed> => {parent_tid=[1287]}, 88) = 1287
[pid  1287] <... set_robust_list resumed>) = 0
[pid  1285] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1287] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1285] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1287] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1285] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1287] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1286] <... setpgid resumed>)      = 0
[pid  1285] <... futex resumed>)        = 0
[pid  1287] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1285] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1287] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1285] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1287] <... futex resumed>)        = 0
[pid  1286] <... openat resumed>)       = 3
[pid  1285] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1287] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  1285] <... futex resumed>)        = 0
[pid  1285] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1287] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1285] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1287] <... futex resumed>)        = 0
[pid  1285] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1287] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1285] <... futex resumed>)        = 0
[pid  1287] <... openat resumed>)       = 3
[pid  1285] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1287] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1285] <... futex resumed>)        = 0
[pid  1287] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1285] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1287] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1285] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1287] write(3, "\x38\x00", 2)     = 2
[pid  1287] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1287] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1285] <... futex resumed>)        = 0
[pid  1285] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1287] <... futex resumed>)        = 0
[pid  1285] <... futex resumed>)        = 1
[pid  1287] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1285] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1287] <... openat resumed>)       = 4
[pid  1287] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1287] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1285] <... futex resumed>)        = 0
[pid  1285] exit_group(0)               = ?
[pid  1287] <... futex resumed>)        = ?
[pid  1287] +++ exited with 0 +++
[pid  1285] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1285, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1286] write(3, "1000", 4)         = 4
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1286] close(3 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1286] <... close resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1288 attached
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1288
[pid  1288] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1286] write(1, "executing program\n", 18 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1286] <... write resumed>)        = 18
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1289
[pid  1286] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1289 attached
executing program
 <unfinished ...>
[pid  1288] <... set_robust_list resumed>) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1289] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1288] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1286] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1289] <... set_robust_list resumed>) = 0
[pid  1288] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1286] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1289] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1288] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1286] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1286] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1286] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1289] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1288] <... prctl resumed>)        = 0
[pid  1289] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1288] setpgid(0, 0ci2-android-6-12-rust/strace-static-x86_64: Process 1290 attached
 <unfinished ...>
[pid  1289] <... prctl resumed>)        = 0
[pid  1288] <... setpgid resumed>)      = 0
[pid  1286] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1290] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1289] setpgid(0, 0 <unfinished ...>
[pid  1288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1290] <... set_robust_list resumed>) = 0
[pid  1289] <... setpgid resumed>)      = 0
[pid  1288] <... openat resumed>)       = 3
[pid  1286] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1290
[pid  1290] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1286] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1290] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1288] write(3, "1000", 4 <unfinished ...>
[pid  1286] <... mprotect resumed>)     = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1290] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1289] <... openat resumed>)       = 3
[pid  1288] <... write resumed>)        = 4
[pid  1290] <... prctl resumed>)        = 0
[pid  1286] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1290] setpgid(0, 0 <unfinished ...>
[pid  1289] write(3, "1000", 4 <unfinished ...>
[pid  1288] close(3 <unfinished ...>
[pid  1286] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1290] <... setpgid resumed>)      = 0
[pid  1289] <... write resumed>)        = 4
[pid  1288] <... close resumed>)        = 0
[pid  1290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1289] close(3 <unfinished ...>
[pid  1288] write(1, "executing program\n", 18 <unfinished ...>
[pid  1290] <... openat resumed>)       = 3
[pid  1289] <... close resumed>)        = 0
[pid  1288] <... write resumed>)        = 18
[pid  1289] write(1, "executing program\n", 18) = 18
executing program
executing program
[pid  1288] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1290] write(3, "1000", 4 <unfinished ...>
[pid  1289] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1288] <... futex resumed>)        = 0
[pid  1290] <... write resumed>)        = 4
[pid  1289] <... futex resumed>)        = 0
[pid  1288] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}ci2-android-6-12-rust/strace-static-x86_64: Process 1291 attached
 <unfinished ...>
[pid  1290] close(3 <unfinished ...>
[pid  1289] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1286] <... clone3 resumed> => {parent_tid=[1291]}, 88) = 1291
[pid  1291] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1286] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1291] <... set_robust_list resumed>) = 0
[pid  1286] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1291] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1286] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1291] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1286] <... futex resumed>)        = 0
[pid  1291] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1290] <... close resumed>)        = 0
[pid  1289] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1288] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1290] write(1, "executing program\n", 18 <unfinished ...>
[pid  1289] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1288] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1286] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1290] <... write resumed>)        = 18
[pid  1289] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  1288] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1290] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1290] <... futex resumed>)        = 0
[pid  1289] <... mmap resumed>)         = 0x7fb4de009000
[pid  1288] <... mmap resumed>)         = 0x7fb4de009000
[pid  1291] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1290] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1289] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1288] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1291] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1290] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1289] <... mprotect resumed>)     = 0
[pid  1288] <... mprotect resumed>)     = 0
[pid  1291] <... futex resumed>)        = 1
[pid  1290] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1289] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1288] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1286] <... futex resumed>)        = 0
[pid  1290] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1289] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1288] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1286] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1291] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1288] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1286] <... futex resumed>)        = 0
[pid  1291] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1290] <... mmap resumed>)         = 0x7fb4de009000
[pid  1286] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1292 attached
 <unfinished ...>
[pid  1291] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1290] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1286] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1292] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1291] <... futex resumed>)        = 0
[pid  1286] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1292] <... set_robust_list resumed>) = 0
[pid  1291] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1286] <... futex resumed>)        = 0
[pid  1292] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1286] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1292] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1291] <... openat resumed>)       = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 1293 attached
[pid  1290] <... mprotect resumed>)     = 0
[pid  1289] <... clone3 resumed> => {parent_tid=[1292]}, 88) = 1292
[pid  1288] <... clone3 resumed> => {parent_tid=[1293]}, 88) = 1293
[pid  1293] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1290] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1289] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1288] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1293] <... set_robust_list resumed>) = 0
[pid  1292] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1291] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1290] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1289] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1288] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1293] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1291] <... futex resumed>)        = 1
[pid  1290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1289] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1288] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1286] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1294 attached
[pid  1293] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1292] <... futex resumed>)        = 0
[pid  1289] <... futex resumed>)        = 1
[pid  1288] <... futex resumed>)        = 0
[pid  1294] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1293] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1292] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1291] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1290] <... clone3 resumed> => {parent_tid=[1294]}, 88) = 1294
[pid  1289] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1288] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1286] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1293] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1290] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1293] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1290] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1293] <... futex resumed>)        = 1
[pid  1290] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1288] <... futex resumed>)        = 0
[pid  1293] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1290] <... futex resumed>)        = 0
[pid  1288] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1293] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1290] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1288] <... futex resumed>)        = 0
[pid  1293] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1288] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1293] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1293] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1288] <... futex resumed>)        = 0
[pid  1288] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1288] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1293] <... futex resumed>)        = 1
[pid  1293] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1294] <... set_robust_list resumed>) = 0
[pid  1292] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1291] <... write resumed>)        = 2
[pid  1286] <... futex resumed>)        = 0
[pid  1292] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1294] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1286] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1294] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1293] <... openat resumed>)       = 3
[pid  1292] <... futex resumed>)        = 1
[pid  1289] <... futex resumed>)        = 0
[pid  1294] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1293] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1292] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1291] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1289] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1286] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1294] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1293] <... futex resumed>)        = 1
[pid  1292] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1291] <... futex resumed>)        = 0
[pid  1289] <... futex resumed>)        = 0
[pid  1288] <... futex resumed>)        = 0
[pid  1286] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1294] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1293] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1292] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1291] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1289] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1288] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1286] <... futex resumed>)        = 0
[pid  1294] <... futex resumed>)        = 1
[pid  1293] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1292] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1291] <... openat resumed>)       = 4
[pid  1290] <... futex resumed>)        = 0
[pid  1288] <... futex resumed>)        = 0
[pid  1286] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1294] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1293] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1292] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1291] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1290] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1288] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1286] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1294] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1293] <... write resumed>)        = 2
[pid  1292] <... futex resumed>)        = 1
[pid  1291] <... futex resumed>)        = 0
[pid  1290] <... futex resumed>)        = 0
[pid  1289] <... futex resumed>)        = 0
[pid  1286] exit_group(0 <unfinished ...>
[pid  1294] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1293] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1292] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1291] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1290] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1289] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1294] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1293] <... futex resumed>)        = 1
[pid  1292] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1289] <... futex resumed>)        = 0
[pid  1288] <... futex resumed>)        = 0
[pid  1286] <... exit_group resumed>)   = ?
[pid  1291] <... futex resumed>)        = ?
[pid  1294] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1293] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1292] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1289] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1288] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1294] <... futex resumed>)        = 1
[pid  1293] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1291] +++ exited with 0 +++
[pid  1290] <... futex resumed>)        = 0
[pid  1288] <... futex resumed>)        = 0
[pid  1293] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1292] <... openat resumed>)       = 3
[pid  1290] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1288] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1294] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1293] <... openat resumed>)       = 4
[pid  1292] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1290] <... futex resumed>)        = 0
[pid  1294] <... openat resumed>)       = 3
[pid  1292] <... futex resumed>)        = 1
[pid  1294] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1292] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1294] <... futex resumed>)        = 0
[pid  1294] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1293] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1290] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1289] <... futex resumed>)        = 0
[pid  1293] <... futex resumed>)        = 1
[pid  1290] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1289] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1288] <... futex resumed>)        = 0
[pid  1293] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1292] <... futex resumed>)        = 0
[pid  1290] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1289] <... futex resumed>)        = 1
[pid  1288] exit_group(0 <unfinished ...>
[pid  1286] +++ exited with 0 +++
[pid  1294] <... futex resumed>)        = 0
[pid  1293] <... futex resumed>)        = ?
[pid  1292] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1290] <... futex resumed>)        = 1
[pid  1289] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1288] <... exit_group resumed>)   = ?
[pid  1294] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1293] +++ exited with 0 +++
[pid  1292] <... write resumed>)        = 2
[pid  1290] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1286, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1294] <... write resumed>)        = 2
[pid  1292] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1288] +++ exited with 0 +++
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1294] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1292] <... futex resumed>)        = 1
[pid  1289] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1288, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1294] <... futex resumed>)        = 1
[pid  1290] <... futex resumed>)        = 0
[pid  1289] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1294] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1292] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1290] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1289] <... futex resumed>)        = 0
[pid  1294] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1292] <... openat resumed>)       = 4
[pid  1290] <... futex resumed>)        = 0
[pid  1289] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1294] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1292] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1290] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1289] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1294] <... openat resumed>)       = 4
[pid  1292] <... futex resumed>)        = 0
[pid  1289] exit_group(0 <unfinished ...>
[pid  1294] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1292] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1294] <... futex resumed>)        = 1
[pid  1290] <... futex resumed>)        = 0
[pid  1289] <... exit_group resumed>)   = ?
[pid  1294] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1292] +++ exited with 0 +++
[pid  1290] exit_group(0 <unfinished ...>
[pid  1289] +++ exited with 0 +++
[pid  1290] <... exit_group resumed>)   = ?
[pid  1294] <... futex resumed>)        = ?
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1289, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1294] +++ exited with 0 +++
[pid  1290] +++ exited with 0 +++
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1290, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1295 attached
 <unfinished ...>
[pid  1295] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1295] <... set_robust_list resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1295] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1295] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1296 attached
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1296
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1295] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1295] <... prctl resumed>)        = 0
[pid  1295] setpgid(0, 0ci2-android-6-12-rust/strace-static-x86_64: Process 1297 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1298 attached
)               = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1295
[pid  1298] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1297] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1296] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1298
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1297
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1298] <... set_robust_list resumed>) = 0
[pid  1297] <... set_robust_list resumed>) = 0
[pid  1296] <... set_robust_list resumed>) = 0
[pid  1295] <... openat resumed>)       = 3
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1298] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1297] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1296] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1298] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1296] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1297] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1295] write(3, "1000", 4 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1296] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1298] setpgid(0, 0 <unfinished ...>
[pid  1297] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1298] <... setpgid resumed>)      = 0
[pid  1297] <... prctl resumed>)        = 0
[pid  1296] <... prctl resumed>)        = 0
[pid  1295] <... write resumed>)        = 4
[pid  1298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1296] setpgid(0, 0 <unfinished ...>
[pid  1297] setpgid(0, 0 <unfinished ...>
[pid  1295] close(3 <unfinished ...>
[pid  1297] <... setpgid resumed>)      = 0
[pid  1296] <... setpgid resumed>)      = 0
[pid  1295] <... close resumed>)        = 0
[pid  1298] <... openat resumed>)       = 3
[pid  1296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1295] write(1, "executing program\n", 18 <unfinished ...>
[pid  1297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1296] <... openat resumed>)       = 3
[pid  1295] <... write resumed>)        = 18
[pid  1297] <... openat resumed>)       = 3
[pid  1295] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1297] write(3, "1000", 4 <unfinished ...>
[pid  1298] write(3, "1000", 4 <unfinished ...>
[pid  1296] write(3, "1000", 4 <unfinished ...>
[pid  1295] <... futex resumed>)        = 0
[pid  1297] <... write resumed>)        = 4
[pid  1298] <... write resumed>)        = 4
executing program
[pid  1297] close(3 <unfinished ...>
[pid  1296] <... write resumed>)        = 4
[pid  1295] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1298] close(3 <unfinished ...>
[pid  1297] <... close resumed>)        = 0
[pid  1296] close(3 <unfinished ...>
[pid  1295] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1298] <... close resumed>)        = 0
[pid  1297] write(1, "executing program\n", 18 <unfinished ...>
[pid  1296] <... close resumed>)        = 0
[pid  1295] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1298] write(1, "executing program\n", 18 <unfinished ...>
[pid  1297] <... write resumed>)        = 18
[pid  1296] write(1, "executing program\n", 18 <unfinished ...>
[pid  1295] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1298] <... write resumed>)        = 18
[pid  1297] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1296] <... write resumed>)        = 18
[pid  1295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1298] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1297] <... futex resumed>)        = 0
[pid  1296] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
executing program
executing program
[pid  1298] <... futex resumed>)        = 0
[pid  1295] <... mmap resumed>)         = 0x7fb4de009000
[pid  1297] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1298] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1296] <... futex resumed>)        = 0
[pid  1297] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1295] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1298] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1297] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1296] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1298] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1297] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1296] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1295] <... mprotect resumed>)     = 0
[pid  1298] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1296] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1297] <... mmap resumed>)         = 0x7fb4de009000
[pid  1298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1297] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1295] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1298] <... mmap resumed>)         = 0x7fb4de009000
[pid  1297] <... mprotect resumed>)     = 0
[pid  1298] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1296] <... mmap resumed>)         = 0x7fb4de009000
[pid  1296] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1295] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1298] <... mprotect resumed>)     = 0
[pid  1297] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1296] <... mprotect resumed>)     = 0
[pid  1295] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1298] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1299 attached
 <unfinished ...>
[pid  1299] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  1299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1299] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1298] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1297] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1296] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1295] <... clone3 resumed> => {parent_tid=[1299]}, 88) = 1299
[pid  1298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1297] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1296] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1295] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1300 attached
[pid  1295] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1301 attached
 <unfinished ...>
[pid  1300] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1297] <... clone3 resumed> => {parent_tid=[1300]}, 88) = 1300
[pid  1296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1298] <... clone3 resumed> => {parent_tid=[1301]}, 88) = 1301
[pid  1297] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1295] <... futex resumed>)        = 1
[pid  1301] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1300] <... set_robust_list resumed>) = 0
[pid  1299] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1302 attached
[pid  1301] <... set_robust_list resumed>) = 0
[pid  1300] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1299] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1298] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1297] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1295] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1302] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1301] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1300] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1299] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1298] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1297] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1296] <... clone3 resumed> => {parent_tid=[1302]}, 88) = 1302
[pid  1302] <... set_robust_list resumed>) = 0
[pid  1301] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1300] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1299] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1298] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1297] <... futex resumed>)        = 0
[pid  1296] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1302] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1301] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1300] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1299] <... futex resumed>)        = 1
[pid  1298] <... futex resumed>)        = 0
[pid  1297] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1296] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1295] <... futex resumed>)        = 0
[pid  1302] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1301] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1300] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1298] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1297] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1296] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1295] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1296] <... futex resumed>)        = 0
[pid  1295] <... futex resumed>)        = 0
[pid  1297] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1296] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1295] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1297] <... futex resumed>)        = 0
[pid  1302] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1301] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1300] <... futex resumed>)        = 0
[pid  1299] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1297] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1301] <... futex resumed>)        = 1
[pid  1300] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1298] <... futex resumed>)        = 0
[pid  1301] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1299] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1298] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1301] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1300] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1299] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1302] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1298] <... futex resumed>)        = 0
[pid  1301] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1300] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1299] <... futex resumed>)        = 1
[pid  1298] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1295] <... futex resumed>)        = 0
[pid  1302] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1300] <... futex resumed>)        = 1
[pid  1299] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1297] <... futex resumed>)        = 0
[pid  1302] <... futex resumed>)        = 1
[pid  1301] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1300] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1302] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1301] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1297] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1296] <... futex resumed>)        = 0
[pid  1295] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1301] <... futex resumed>)        = 1
[pid  1300] <... futex resumed>)        = 0
[pid  1299] <... futex resumed>)        = 0
[pid  1298] <... futex resumed>)        = 0
[pid  1297] <... futex resumed>)        = 1
[pid  1296] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1295] <... futex resumed>)        = 1
[pid  1302] <... futex resumed>)        = 0
[pid  1301] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1300] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1299] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1298] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1297] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1296] <... futex resumed>)        = 1
[pid  1295] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1302] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1301] <... openat resumed>)       = 3
[pid  1300] <... openat resumed>)       = 3
[pid  1299] <... openat resumed>)       = 3
[pid  1298] <... futex resumed>)        = 0
[pid  1296] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1301] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1299] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1298] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1302] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1301] <... futex resumed>)        = 0
[pid  1300] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1299] <... futex resumed>)        = 1
[pid  1298] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1295] <... futex resumed>)        = 0
[pid  1302] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1301] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1300] <... futex resumed>)        = 1
[pid  1299] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1298] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1297] <... futex resumed>)        = 0
[pid  1295] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1302] <... futex resumed>)        = 1
[pid  1301] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1300] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1299] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1298] <... futex resumed>)        = 0
[pid  1297] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1296] <... futex resumed>)        = 0
[pid  1295] <... futex resumed>)        = 0
[pid  1302] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1301] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1300] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1299] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1298] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1297] <... futex resumed>)        = 0
[pid  1296] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1295] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1302] <... openat resumed>)       = 3
[pid  1301] <... write resumed>)        = 2
[pid  1300] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1299] <... write resumed>)        = 2
[pid  1297] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1296] <... futex resumed>)        = 0
[pid  1301] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1300] <... write resumed>)        = 2
[pid  1299] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1296] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1302] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1296] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1302] <... futex resumed>)        = 0
[pid  1301] <... futex resumed>)        = 1
[pid  1300] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1299] <... futex resumed>)        = 1
[pid  1298] <... futex resumed>)        = 0
[pid  1296] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1295] <... futex resumed>)        = 0
[pid  1302] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1301] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1300] <... futex resumed>)        = 1
[pid  1299] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1298] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1297] <... futex resumed>)        = 0
[pid  1296] <... futex resumed>)        = 0
[pid  1295] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1302] <... write resumed>)        = 2
[pid  1301] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1300] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1299] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1298] <... futex resumed>)        = 0
[pid  1297] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1296] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1302] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1301] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1300] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1299] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1302] <... futex resumed>)        = 0
[pid  1298] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1297] <... futex resumed>)        = 0
[pid  1296] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1295] <... futex resumed>)        = 0
[pid  1301] <... openat resumed>)       = 4
[pid  1300] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1297] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1296] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1295] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1299] <... openat resumed>)       = 4
[pid  1296] <... futex resumed>)        = 0
[pid  1296] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1302] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid  1302] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1300] <... openat resumed>)       = 4
[pid  1299] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1301] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1300] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1301] <... futex resumed>)        = 1
[pid  1299] <... futex resumed>)        = 1
[pid  1298] <... futex resumed>)        = 0
[pid  1302] <... futex resumed>)        = 1
[pid  1300] <... futex resumed>)        = 1
[pid  1297] <... futex resumed>)        = 0
[pid  1296] <... futex resumed>)        = 0
[pid  1295] <... futex resumed>)        = 0
[pid  1302] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1301] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1300] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1299] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1298] exit_group(0 <unfinished ...>
[pid  1297] exit_group(0 <unfinished ...>
[pid  1296] exit_group(0 <unfinished ...>
[pid  1302] <... futex resumed>)        = ?
[pid  1301] <... futex resumed>)        = ?
[pid  1300] <... futex resumed>)        = ?
[pid  1298] <... exit_group resumed>)   = ?
[pid  1297] <... exit_group resumed>)   = ?
[pid  1296] <... exit_group resumed>)   = ?
[pid  1295] exit_group(0 <unfinished ...>
[pid  1302] +++ exited with 0 +++
[pid  1301] +++ exited with 0 +++
[pid  1300] +++ exited with 0 +++
[pid  1299] <... futex resumed>)        = ?
[pid  1298] +++ exited with 0 +++
[pid  1297] +++ exited with 0 +++
[pid  1296] +++ exited with 0 +++
[pid  1295] <... exit_group resumed>)   = ?
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1298, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1296, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1297, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1299] +++ exited with 0 +++
[pid  1295] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1295, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1303 attached
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1303
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1304 attached
 <unfinished ...>
[pid  1303] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1304] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1303] <... set_robust_list resumed>) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1304
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1304] <... set_robust_list resumed>) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1305 attached
, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1306 attached
[pid  1305] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1304] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1303] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1306] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1304] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1303] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1306] <... set_robust_list resumed>) = 0
[pid  1306] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1305] <... set_robust_list resumed>) = 0
[pid  1304] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1305
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1306
[pid  1306] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1305] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1304] <... prctl resumed>)        = 0
[pid  1303] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1305] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1304] setpgid(0, 0 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1306] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1305] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1304] <... setpgid resumed>)      = 0
[pid  1303] <... prctl resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1306] <... prctl resumed>)        = 0
[pid  1305] <... prctl resumed>)        = 0
[pid  1306] setpgid(0, 0 <unfinished ...>
[pid  1305] setpgid(0, 0)               = 0
[pid  1306] <... setpgid resumed>)      = 0
[pid  1304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1303] setpgid(0, 0 <unfinished ...>
[pid  1306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1303] <... setpgid resumed>)      = 0
[pid  1305] <... openat resumed>)       = 3
[pid  1304] <... openat resumed>)       = 3
[pid  1305] write(3, "1000", 4 <unfinished ...>
[pid  1303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1306] <... openat resumed>)       = 3
[pid  1304] write(3, "1000", 4 <unfinished ...>
[pid  1305] <... write resumed>)        = 4
[pid  1304] <... write resumed>)        = 4
[pid  1306] write(3, "1000", 4 <unfinished ...>
[pid  1305] close(3 <unfinished ...>
[pid  1304] close(3 <unfinished ...>
[pid  1303] <... openat resumed>)       = 3
[pid  1306] <... write resumed>)        = 4
[pid  1305] <... close resumed>)        = 0
[pid  1306] close(3 <unfinished ...>
[pid  1305] write(1, "executing program\n", 18 <unfinished ...>
[pid  1304] <... close resumed>)        = 0
[pid  1303] write(3, "1000", 4 <unfinished ...>
[pid  1306] <... close resumed>)        = 0
[pid  1305] <... write resumed>)        = 18
[pid  1305] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1304] write(1, "executing program\n", 18 <unfinished ...>
[pid  1305] <... futex resumed>)        = 0
[pid  1305] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1305] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1305] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1306] write(1, "executing program\n", 18 <unfinished ...>
[pid  1304] <... write resumed>)        = 18
executing program
[pid  1303] <... write resumed>)        = 4
[pid  1306] <... write resumed>)        = 18
[pid  1304] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1303] close(3 <unfinished ...>
[pid  1306] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1303] <... close resumed>)        = 0
[pid  1306] <... futex resumed>)        = 0
[pid  1304] <... futex resumed>)        = 0
executing program
[pid  1303] write(1, "executing program\n", 18 <unfinished ...>
[pid  1306] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1304] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1303] <... write resumed>)        = 18
[pid  1306] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1304] <... rt_sigaction resumed>, NULL, 8) = 0
executing program
[pid  1306] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1303] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1304] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1306] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1305] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1304] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1303] <... futex resumed>)        = 0
[pid  1306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1305] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1303] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1306] <... mmap resumed>)         = 0x7fb4de009000
[pid  1305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1304] <... mmap resumed>)         = 0x7fb4de009000
ci2-android-6-12-rust/strace-static-x86_64: Process 1307 attached
[pid  1306] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1304] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1303] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1306] <... mprotect resumed>)     = 0
[pid  1305] <... clone3 resumed> => {parent_tid=[1307]}, 88) = 1307
[pid  1305] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1304] <... mprotect resumed>)     = 0
[pid  1303] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1307] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1306] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1305] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1307] <... set_robust_list resumed>) = 0
[pid  1306] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1305] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1304] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1303] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1307] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1305] <... futex resumed>)        = 0
[pid  1306] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1305] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1304] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1307] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1308 attached
[pid  1307] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1303] <... mmap resumed>)         = 0x7fb4de009000
[pid  1308] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1307] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1306] <... clone3 resumed> => {parent_tid=[1308]}, 88) = 1308
ci2-android-6-12-rust/strace-static-x86_64: Process 1309 attached
[pid  1308] <... set_robust_list resumed>) = 0
[pid  1307] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1306] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1303] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1309] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1308] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1307] <... futex resumed>)        = 1
[pid  1306] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1305] <... futex resumed>)        = 0
[pid  1309] <... set_robust_list resumed>) = 0
[pid  1305] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1309] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1305] <... futex resumed>)        = 0
[pid  1309] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1305] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1309] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1304] <... clone3 resumed> => {parent_tid=[1309]}, 88) = 1309
[pid  1304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1304] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1309] <... futex resumed>)        = 0
[pid  1309] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1304] <... futex resumed>)        = 1
[pid  1308] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1306] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1303] <... mprotect resumed>)     = 0
[pid  1307] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1308] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1306] <... futex resumed>)        = 0
[pid  1303] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1309] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1307] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1304] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1306] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1309] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1308] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1307] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1304] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1303] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1309] <... futex resumed>)        = 0
[pid  1308] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1307] <... futex resumed>)        = 1
[pid  1305] <... futex resumed>)        = 0
[pid  1304] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1309] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1308] <... futex resumed>)        = 1
[pid  1307] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1306] <... futex resumed>)        = 0
[pid  1305] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1304] <... futex resumed>)        = 0
[pid  1303] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1309] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1308] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1307] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1306] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1305] <... futex resumed>)        = 0
[pid  1304] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1310 attached
 <unfinished ...>
[pid  1309] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1308] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1307] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1306] <... futex resumed>)        = 0
[pid  1305] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1304] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1310] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1309] <... futex resumed>)        = 0
[pid  1308] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1307] <... openat resumed>)       = 3
[pid  1306] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1304] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1310] <... set_robust_list resumed>) = 0
[pid  1309] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1307] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1304] <... futex resumed>)        = 0
[pid  1303] <... clone3 resumed> => {parent_tid=[1310]}, 88) = 1310
[pid  1310] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1309] <... openat resumed>)       = 3
[pid  1307] <... futex resumed>)        = 1
[pid  1305] <... futex resumed>)        = 0
[pid  1304] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1303] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1310] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1309] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1305] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1304] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1310] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1309] <... futex resumed>)        = 0
[pid  1308] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1307] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1305] <... futex resumed>)        = 0
[pid  1304] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1309] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1305] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1304] <... futex resumed>)        = 0
[pid  1309] <... write resumed>)        = 2
[pid  1304] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1309] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1304] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1309] <... futex resumed>)        = 0
[pid  1304] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1309] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1304] <... futex resumed>)        = 0
[pid  1309] <... openat resumed>)       = 4
[pid  1308] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1307] <... write resumed>)        = 2
[pid  1304] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1303] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1309] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1308] <... futex resumed>)        = 1
[pid  1307] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1306] <... futex resumed>)        = 0
[pid  1303] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1309] <... futex resumed>)        = 1
[pid  1307] <... futex resumed>)        = 1
[pid  1306] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1305] <... futex resumed>)        = 0
[pid  1304] <... futex resumed>)        = 0
[pid  1310] <... futex resumed>)        = 0
[pid  1309] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1308] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1307] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1306] <... futex resumed>)        = 0
[pid  1305] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1304] exit_group(0 <unfinished ...>
[pid  1303] <... futex resumed>)        = 1
[pid  1310] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1309] <... futex resumed>)        = ?
[pid  1307] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1306] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1308] <... openat resumed>)       = 3
[pid  1305] <... futex resumed>)        = 0
[pid  1304] <... exit_group resumed>)   = ?
[pid  1303] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1308] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1307] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1310] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1309] +++ exited with 0 +++
[pid  1308] <... futex resumed>)        = 1
[pid  1307] <... openat resumed>)       = 4
[pid  1306] <... futex resumed>)        = 0
[pid  1305] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1304] +++ exited with 0 +++
[pid  1310] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1308] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1307] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1306] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1305] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1304, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1310] <... futex resumed>)        = 1
[pid  1308] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1307] <... futex resumed>)        = 0
[pid  1306] <... futex resumed>)        = 0
[pid  1305] exit_group(0 <unfinished ...>
[pid  1303] <... futex resumed>)        = 0
[pid  1310] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1308] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1306] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1305] <... exit_group resumed>)   = ?
[pid  1303] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1310] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1308] <... write resumed>)        = 2
[pid  1307] +++ exited with 0 +++
[pid  1305] +++ exited with 0 +++
[pid  1303] <... futex resumed>)        = 0
[pid  1310] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1308] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1303] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1305, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1310] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1308] <... futex resumed>)        = 1
[pid  1306] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1310] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1308] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1306] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1310] <... futex resumed>)        = 1
[pid  1308] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1303] <... futex resumed>)        = 0
[pid  1310] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1308] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1306] <... futex resumed>)        = 0
[pid  1303] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1310] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1306] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1303] <... futex resumed>)        = 0
[pid  1310] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1303] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1310] <... openat resumed>)       = 3
[pid  1310] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1303] <... futex resumed>)        = 0
[pid  1310] <... futex resumed>)        = 1
[pid  1303] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1310] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1303] <... futex resumed>)        = 0
[pid  1310] <... write resumed>)        = 2
[pid  1303] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1310] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1303] <... futex resumed>)        = 0
[pid  1310] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1303] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1310] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1303] <... futex resumed>)        = 0
[pid  1310] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1303] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1310] <... openat resumed>)       = 4
[pid  1310] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1303] <... futex resumed>)        = 0
[pid  1303] exit_group(0 <unfinished ...>
[pid  1308] <... openat resumed>)       = 4
[pid  1303] <... exit_group resumed>)   = ?
[pid  1308] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1310] <... futex resumed>)        = ?
[pid  1310] +++ exited with 0 +++
[pid  1308] <... futex resumed>)        = 1
[pid  1306] <... futex resumed>)        = 0
[pid  1303] +++ exited with 0 +++
[pid  1308] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1306] exit_group(0 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1303, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1308] <... futex resumed>)        = ?
[pid  1306] <... exit_group resumed>)   = ?
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1308] +++ exited with 0 +++
[pid  1306] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1306, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1311 attached
, child_tidptr=0x55557716c690) = 1311
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1311] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1311] setpgid(0, 0)               = 0
[pid  1311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1311] write(3, "1000", 4)         = 4
[pid  1311] close(3 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1311] <... close resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1311] write(1, "executing program\n", 18) = 18
[pid  1311] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1311] <... futex resumed>)        = 0
[pid  1311] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
executing program
[pid  1311] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 1312 attached
, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1312] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1312] <... set_robust_list resumed>) = 0
[pid  1311] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1312
[pid   312] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1313 attached
[pid  1312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1311] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1313] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1312] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1311] <... mprotect resumed>)     = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1313
[pid  1313] <... set_robust_list resumed>) = 0
[pid  1312] <... prctl resumed>)        = 0
[pid  1311] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1312] setpgid(0, 0 <unfinished ...>
[pid  1311] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1312] <... setpgid resumed>)      = 0
[pid  1311] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1315 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1314 attached
[pid  1312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1313] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1312] <... openat resumed>)       = 3
[pid  1313] <... prctl resumed>)        = 0
[pid  1311] <... clone3 resumed> => {parent_tid=[1315]}, 88) = 1315
[pid  1315] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1314] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1313] setpgid(0, 0 <unfinished ...>
[pid  1312] write(3, "1000", 4 <unfinished ...>
[pid  1311] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1315] <... set_robust_list resumed>) = 0
[pid  1314] <... set_robust_list resumed>) = 0
[pid  1313] <... setpgid resumed>)      = 0
[pid  1312] <... write resumed>)        = 4
[pid  1311] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1314
[pid  1315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1312] close(3 <unfinished ...>
[pid  1311] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1312] <... close resumed>)        = 0
[pid  1311] <... futex resumed>)        = 0
[pid  1313] <... openat resumed>)       = 3
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1315] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1313] write(3, "1000", 4 <unfinished ...>
[pid  1312] write(1, "executing program\n", 18 <unfinished ...>
[pid  1311] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1315] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1314] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1313] <... write resumed>)        = 4
[pid  1312] <... write resumed>)        = 18
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  1313] close(3 <unfinished ...>
[pid  1312] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1312] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1312] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1312] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1315] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1313] <... close resumed>)        = 0
[pid  1315] <... futex resumed>)        = 1
[pid  1314] <... prctl resumed>)        = 0
[pid  1313] write(1, "executing program\n", 18 <unfinished ...>
[pid  1312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1311] <... futex resumed>)        = 0
[pid  1315] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1314] setpgid(0, 0 <unfinished ...>
[pid  1313] <... write resumed>)        = 18
[pid  1312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
executing program
[pid  1311] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1315] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1314] <... setpgid resumed>)      = 0
[pid  1313] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1316 attached
 <unfinished ...>
[pid  1311] <... futex resumed>)        = 0
[pid  1316] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1315] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1313] <... futex resumed>)        = 0
[pid  1311] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1316] <... set_robust_list resumed>) = 0
[pid  1315] <... futex resumed>)        = 0
[pid  1313] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1312] <... clone3 resumed> => {parent_tid=[1316]}, 88) = 1316
[pid  1311] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1316] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1315] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1314] <... openat resumed>)       = 3
[pid  1313] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1311] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1316] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1315] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1314] write(3, "1000", 4 <unfinished ...>
[pid  1312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1311] <... futex resumed>)        = 0
[pid  1316] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1315] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1314] <... write resumed>)        = 4
[pid  1313] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1312] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1311] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1315] <... openat resumed>)       = 3
[pid  1314] close(3 <unfinished ...>
[pid  1313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1315] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1316] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1312] <... futex resumed>)        = 0
[pid  1311] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1316] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1315] <... futex resumed>)        = 0
[pid  1314] <... close resumed>)        = 0
[pid  1313] <... mmap resumed>)         = 0x7fb4de009000
[pid  1312] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1311] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1316] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1315] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1313] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1311] <... futex resumed>)        = 0
[pid  1316] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1311] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1316] <... futex resumed>)        = 1
[pid  1315] <... write resumed>)        = 2
[pid  1314] write(1, "executing program\n", 18 <unfinished ...>
[pid  1313] <... mprotect resumed>)     = 0
[pid  1312] <... futex resumed>)        = 0
[pid  1316] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
executing program
[pid  1315] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1314] <... write resumed>)        = 18
[pid  1312] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1316] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1315] <... futex resumed>)        = 1
[pid  1313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1312] <... futex resumed>)        = 0
[pid  1311] <... futex resumed>)        = 0
[pid  1316] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1315] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1314] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1312] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1311] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1316] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1315] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1314] <... futex resumed>)        = 0
[pid  1313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1311] <... futex resumed>)        = 0
[pid  1316] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1315] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1311] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1316] <... futex resumed>)        = 1
[pid  1312] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1317 attached
[pid  1316] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1312] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1317] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1316] <... openat resumed>)       = 3
[pid  1315] <... openat resumed>)       = 4
[pid  1314] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1313] <... clone3 resumed> => {parent_tid=[1317]}, 88) = 1317
[pid  1312] <... futex resumed>)        = 0
[pid  1316] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1315] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1314] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1317] <... set_robust_list resumed>) = 0
[pid  1316] <... futex resumed>)        = 0
[pid  1312] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1317] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1316] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1315] <... futex resumed>)        = 1
[pid  1314] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1312] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1311] <... futex resumed>)        = 0
[pid  1317] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1315] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1313] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1312] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1311] exit_group(0 <unfinished ...>
[pid  1317] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1316] <... futex resumed>)        = 0
[pid  1314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1312] <... futex resumed>)        = 1
[pid  1317] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1316] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1315] <... futex resumed>)        = ?
[pid  1314] <... mmap resumed>)         = 0x7fb4de009000
[pid  1313] <... futex resumed>)        = 0
[pid  1312] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1311] <... exit_group resumed>)   = ?
[pid  1317] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1316] <... write resumed>)        = 2
[pid  1315] +++ exited with 0 +++
[pid  1314] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1313] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1311] +++ exited with 0 +++
[pid  1317] <... futex resumed>)        = 0
[pid  1316] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1314] <... mprotect resumed>)     = 0
[pid  1313] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1317] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1316] <... futex resumed>)        = 1
[pid  1313] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1312] <... futex resumed>)        = 0
[pid  1317] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1316] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1313] <... futex resumed>)        = 0
[pid  1312] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1317] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1316] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1313] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1312] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1311, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1317] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1316] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1312] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1317] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1316] <... openat resumed>)       = 4
ci2-android-6-12-rust/strace-static-x86_64: Process 1318 attached
[pid  1317] <... futex resumed>)        = 1
[pid  1316] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1313] <... futex resumed>)        = 0
[pid  1318] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1317] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1314] <... clone3 resumed> => {parent_tid=[1318]}, 88) = 1318
[pid  1313] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1313] <... futex resumed>)        = 0
[pid  1314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1313] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1318] <... set_robust_list resumed>) = 0
[pid  1317] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1316] <... futex resumed>)        = 1
[pid  1312] <... futex resumed>)        = 0
[pid  1318] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1317] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1316] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1314] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1312] exit_group(0 <unfinished ...>
[pid  1318] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1317] <... openat resumed>)       = 3
[pid  1316] <... futex resumed>)        = ?
[pid  1314] <... futex resumed>)        = 0
[pid  1312] <... exit_group resumed>)   = ?
[pid  1318] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1317] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1316] +++ exited with 0 +++
[pid  1314] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1312] +++ exited with 0 +++
[pid  1318] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1317] <... futex resumed>)        = 1
[pid  1313] <... futex resumed>)        = 0
[pid  1318] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1317] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1313] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1318] <... futex resumed>)        = 1
[pid  1317] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1314] <... futex resumed>)        = 0
[pid  1318] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1317] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1314] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1313] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1312, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1318] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1317] <... write resumed>)        = 2
[pid  1318] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1317] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1318] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1317] <... futex resumed>)        = 0
[pid  1314] <... futex resumed>)        = 0
[pid  1313] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1318] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1317] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1314] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1313] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1318] <... futex resumed>)        = 0
[pid  1314] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1313] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1318] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1317] <... futex resumed>)        = 0
[pid  1314] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1313] <... futex resumed>)        = 1
[pid  1318] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1317] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1314] <... futex resumed>)        = 0
[pid  1313] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1318] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1317] <... openat resumed>)       = 4
[pid  1318] <... openat resumed>)       = 3
[pid  1314] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1318] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1317] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1314] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1314] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1318] <... futex resumed>)        = 0
[pid  1317] <... futex resumed>)        = 1
[pid  1318] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1317] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1314] <... futex resumed>)        = 0
[pid  1313] <... futex resumed>)        = 0
[pid  1318] <... write resumed>)        = 2
[pid  1314] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1318] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1313] exit_group(0 <unfinished ...>
[pid  1314] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1318] <... futex resumed>)        = 0
[pid  1317] <... futex resumed>)        = ?
[pid  1314] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1313] <... exit_group resumed>)   = ?
[pid  1318] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1317] +++ exited with 0 +++
[pid  1314] <... futex resumed>)        = 0
[pid  1318] <... openat resumed>)       = 4
[pid  1318] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1318] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1314] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1313] +++ exited with 0 +++
[pid  1314] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1314] exit_group(0 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1313, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1314] <... exit_group resumed>)   = ?
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1318] <... futex resumed>)        = ?
[pid  1318] +++ exited with 0 +++
[pid  1314] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1314, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1319 attached
, child_tidptr=0x55557716c690) = 1319
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1319] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1319] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1319] setpgid(0, 0)               = 0
[pid  1319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1319] write(3, "1000", 4)         = 4
[pid  1319] close(3)                    = 0
[pid  1319] write(1, "executing program\n", 18) = 18
executing program
[pid  1319] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1319] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1319] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1319] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1319] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  1319] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1320 attached
[pid  1320] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1320] <... set_robust_list resumed>) = 0
[pid  1319] <... clone3 resumed> => {parent_tid=[1320]}, 88) = 1320
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1320] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1319] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1320] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1319] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1322 attached
 <unfinished ...>
[pid  1320] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1319] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1320] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1319] <... futex resumed>)        = 0
[pid  1322] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1320] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1322] <... set_robust_list resumed>) = 0
[pid  1320] <... mkdirat resumed>)      = -1 EEXIST (File exists)
ci2-android-6-12-rust/strace-static-x86_64: Process 1321 attached
[pid  1322] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1320] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1319] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1321
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1322
[pid   312] <... restart_syscall resumed>) = 0
[pid  1322] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1321] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1320] <... futex resumed>)        = 0
[pid  1319] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1322] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1321] <... set_robust_list resumed>) = 0
[pid  1320] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1322] <... prctl resumed>)        = 0
[pid  1321] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1322] setpgid(0, 0 <unfinished ...>
[pid  1321] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1322] <... setpgid resumed>)      = 0
[pid  1322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1321] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1319] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1320] <... futex resumed>)        = 0
[pid  1319] <... futex resumed>)        = 1
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1320] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1319] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1322] <... openat resumed>)       = 3
[pid  1320] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1323 attached
 <unfinished ...>
[pid  1322] write(3, "1000", 4 <unfinished ...>
[pid  1321] <... prctl resumed>)        = 0
[pid  1320] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1322] <... write resumed>)        = 4
[pid  1321] setpgid(0, 0 <unfinished ...>
[pid  1320] <... futex resumed>)        = 1
[pid  1319] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1323
[pid  1323] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1322] close(3 <unfinished ...>
[pid  1321] <... setpgid resumed>)      = 0
[pid  1320] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1319] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1322] <... close resumed>)        = 0
[pid  1320] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1319] <... futex resumed>)        = 0
[pid  1321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1320] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1319] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1323] <... set_robust_list resumed>) = 0
[pid  1322] write(1, "executing program\n", 18 <unfinished ...>
[pid  1320] <... openat resumed>)       = 3
[pid  1321] <... openat resumed>)       = 3
[pid  1320] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1319] <... futex resumed>)        = 0
executing program
[pid  1323] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1322] <... write resumed>)        = 18
[pid  1321] write(3, "1000", 4 <unfinished ...>
[pid  1320] <... futex resumed>)        = 1
[pid  1319] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1323] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1322] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1321] <... write resumed>)        = 4
[pid  1320] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1319] <... futex resumed>)        = 0
[pid  1322] <... futex resumed>)        = 0
[pid  1321] close(3 <unfinished ...>
[pid  1320] <... write resumed>)        = 2
[pid  1319] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1320] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1319] <... futex resumed>)        = 0
[pid  1320] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1319] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1323] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1322] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1321] <... close resumed>)        = 0
[pid  1320] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1319] <... futex resumed>)        = 0
[pid  1323] <... prctl resumed>)        = 0
[pid  1322] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1321] write(1, "executing program\n", 18 <unfinished ...>
[pid  1320] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1319] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1323] setpgid(0, 0 <unfinished ...>
executing program
[pid  1322] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1321] <... write resumed>)        = 18
[pid  1320] <... openat resumed>)       = 4
[pid  1323] <... setpgid resumed>)      = 0
[pid  1322] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1321] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1321] <... futex resumed>)        = 0
[pid  1323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1321] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1320] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1322] <... mmap resumed>)         = 0x7fb4de009000
[pid  1321] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1320] <... futex resumed>)        = 1
[pid  1323] <... openat resumed>)       = 3
[pid  1319] <... futex resumed>)        = 0
[pid  1323] write(3, "1000", 4 <unfinished ...>
[pid  1322] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1321] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1320] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1319] exit_group(0 <unfinished ...>
[pid  1323] <... write resumed>)        = 4
[pid  1322] <... mprotect resumed>)     = 0
[pid  1321] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1320] <... futex resumed>)        = ?
[pid  1319] <... exit_group resumed>)   = ?
[pid  1323] close(3 <unfinished ...>
[pid  1322] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1320] +++ exited with 0 +++
[pid  1319] +++ exited with 0 +++
[pid  1321] <... mmap resumed>)         = 0x7fb4de009000
[pid  1323] <... close resumed>)        = 0
[pid  1321] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1319, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1322] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1323] write(1, "executing program\n", 18) = 18
[pid  1323] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid  1323] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1323] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1322] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1321] <... mprotect resumed>)     = 0
[pid  1323] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITEci2-android-6-12-rust/strace-static-x86_64: Process 1324 attached
) = 0
[pid  1324] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1323] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1322] <... clone3 resumed> => {parent_tid=[1324]}, 88) = 1324
[pid  1321] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1322] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1321] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1322] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1321] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1322] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1324] <... set_robust_list resumed>) = 0
[pid  1323] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1324] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1325 attached
 <unfinished ...>
[pid  1324] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1322] <... futex resumed>)        = 0
[pid  1324] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1323] <... clone3 resumed> => {parent_tid=[1326]}, 88) = 1326
[pid  1324] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1323] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1324] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1323] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1324] <... futex resumed>)        = 0
[pid  1323] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1324] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1323] <... futex resumed>)        = 0
[pid  1323] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1326 attached
 <unfinished ...>
[pid  1322] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1321] <... clone3 resumed> => {parent_tid=[1325]}, 88) = 1325
[pid  1326] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1325] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1322] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1321] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1326] <... set_robust_list resumed>) = 0
[pid  1325] <... set_robust_list resumed>) = 0
[pid  1322] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1321] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1326] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1325] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1326] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1322] <... futex resumed>)        = 1
[pid  1321] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1325] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1326] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1322] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1321] <... futex resumed>)        = 0
[pid  1326] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1325] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1326] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1321] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1326] <... futex resumed>)        = 1
[pid  1325] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1326] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1325] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1324] <... futex resumed>)        = 0
[pid  1323] <... futex resumed>)        = 0
[pid  1321] <... futex resumed>)        = 0
[pid  1324] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1323] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1326] <... futex resumed>)        = 0
[pid  1324] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1323] <... futex resumed>)        = 1
[pid  1326] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1324] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1323] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1326] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1324] <... futex resumed>)        = 1
[pid  1326] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1324] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1326] <... futex resumed>)        = 1
[pid  1323] <... futex resumed>)        = 0
[pid  1326] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1323] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1326] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1323] <... futex resumed>)        = 0
[pid  1326] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1323] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1326] <... openat resumed>)       = 3
[pid  1326] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1323] <... futex resumed>)        = 0
[pid  1326] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1323] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1326] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1323] <... futex resumed>)        = 0
[pid  1326] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1323] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1326] <... write resumed>)        = 2
[pid  1326] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1323] <... futex resumed>)        = 0
[pid  1326] <... futex resumed>)        = 1
[pid  1323] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1326] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1323] <... futex resumed>)        = 0
[pid  1326] <... openat resumed>)       = 4
[pid  1323] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1326] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1323] <... futex resumed>)        = 0
[pid  1323] exit_group(0)               = ?
[pid  1326] <... futex resumed>)        = ?
[pid  1325] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1322] <... futex resumed>)        = 0
[pid  1321] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1325] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1322] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1321] <... futex resumed>)        = 0
[pid  1326] +++ exited with 0 +++
[pid  1325] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1324] <... futex resumed>)        = 0
[pid  1323] +++ exited with 0 +++
[pid  1322] <... futex resumed>)        = 1
[pid  1321] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1324] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1325] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1324] <... openat resumed>)       = 3
[pid  1322] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1323, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1325] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1324] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1322] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1325] <... futex resumed>)        = 1
[pid  1324] <... futex resumed>)        = 0
[pid  1322] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1321] <... futex resumed>)        = 0
[pid  1324] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1325] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1324] <... write resumed>)        = 2
[pid  1322] <... futex resumed>)        = 0
[pid  1321] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1325] <... openat resumed>)       = 3
[pid  1324] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1322] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1321] <... futex resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1325] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1324] <... futex resumed>)        = 0
[pid  1325] <... futex resumed>)        = 0
[pid  1324] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1322] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1321] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1325] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1322] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1321] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1325] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1324] <... futex resumed>)        = 0
[pid  1322] <... futex resumed>)        = 1
[pid  1321] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1325] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1324] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1322] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1325] <... write resumed>)        = 2
[pid  1324] <... openat resumed>)       = 4
[pid  1321] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1325] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1321] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1325] <... futex resumed>)        = 0
[pid  1324] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1321] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1325] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1324] <... futex resumed>)        = 1
[pid  1322] <... futex resumed>)        = 0
[pid  1321] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1327 attached
 <unfinished ...>
[pid  1325] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1322] exit_group(0 <unfinished ...>
[pid  1321] <... futex resumed>)        = 0
[pid  1327] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1325] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1322] <... exit_group resumed>)   = ?
[pid  1327] <... set_robust_list resumed>) = 0
[pid  1325] <... openat resumed>)       = 4
[pid  1324] +++ exited with 0 +++
[pid  1322] +++ exited with 0 +++
[pid  1321] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1327
[pid  1325] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1327] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1325] <... futex resumed>)        = 0
[pid  1321] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1327] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1325] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1322, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1327] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1321] exit_group(0 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1327] <... prctl resumed>)        = 0
[pid  1325] <... futex resumed>)        = ?
[pid  1321] <... exit_group resumed>)   = ?
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1325] +++ exited with 0 +++
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1328 attached
 <unfinished ...>
[pid  1321] +++ exited with 0 +++
[pid  1327] setpgid(0, 0)               = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1321, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1328] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1328] <... set_robust_list resumed>) = 0
[pid  1327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1328
[pid  1328] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1328] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1328] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1327] <... openat resumed>)       = 3
[pid  1328] <... prctl resumed>)        = 0
[pid  1328] setpgid(0, 0)               = 0
[pid  1327] write(3, "1000", 4 <unfinished ...>
[pid  1328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1327] <... write resumed>)        = 4
[pid  1328] <... openat resumed>)       = 3
[pid  1327] close(3 <unfinished ...>
[pid  1328] write(3, "1000", 4 <unfinished ...>
[pid  1327] <... close resumed>)        = 0
[pid  1328] <... write resumed>)        = 4
[pid  1328] close(3 <unfinished ...>
[pid  1327] write(1, "executing program\n", 18 <unfinished ...>
[pid  1328] <... close resumed>)        = 0
[pid  1327] <... write resumed>)        = 18
executing program
[pid  1328] write(1, "executing program\n", 18) = 18
executing program
[pid  1328] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1328] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1328] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1328] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1327] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1328] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1327] <... futex resumed>)        = 0
[pid  1328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1327] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1329 attached
[pid  1328] <... clone3 resumed> => {parent_tid=[1329]}, 88) = 1329
[pid  1327] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1328] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1327] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1329] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1328] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1329] <... set_robust_list resumed>) = 0
[pid  1328] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1329] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1328] <... futex resumed>)        = 0
[pid  1327] <... mmap resumed>)         = 0x7fb4de009000
[pid  1329] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1328] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1327] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1329] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1327] <... mprotect resumed>)     = 0
[pid  1329] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1329] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1327] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1329] <... futex resumed>)        = 1
[pid  1327] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1329] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1327] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1330 attached
 <unfinished ...>
[pid  1328] <... futex resumed>)        = 0
[pid  1328] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1329] <... futex resumed>)        = 0
[pid  1328] <... futex resumed>)        = 1
[pid  1329] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1328] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1329] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1329] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1328] <... futex resumed>)        = 0
[pid  1328] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1329] <... futex resumed>)        = 1
[pid  1328] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1329] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  1329] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1328] <... futex resumed>)        = 0
[pid  1329] <... futex resumed>)        = 1
[pid  1328] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1329] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1328] <... futex resumed>)        = 0
[pid  1329] <... write resumed>)        = 2
[pid  1328] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1329] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1328] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1330] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1329] <... futex resumed>)        = 0
[pid  1328] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1327] <... clone3 resumed> => {parent_tid=[1330]}, 88) = 1330
[pid   313] <... restart_syscall resumed>) = 0
[pid  1330] <... set_robust_list resumed>) = 0
[pid  1329] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1328] <... futex resumed>)        = 0
[pid  1327] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1330] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1327] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1330] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1327] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1329] <... openat resumed>)       = 4
[pid  1328] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1327] <... futex resumed>)        = 0
[pid  1330] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1329] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1330] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1329] <... futex resumed>)        = 1
[pid  1328] <... futex resumed>)        = 0
[pid  1327] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1330] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1329] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1328] exit_group(0 <unfinished ...>
[pid  1327] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1330] <... futex resumed>)        = 0
[pid  1329] <... futex resumed>)        = ?
[pid  1328] <... exit_group resumed>)   = ?
[pid  1327] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1330] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1329] +++ exited with 0 +++
[pid  1328] +++ exited with 0 +++
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1328, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 1331 attached
 <unfinished ...>
[pid  1327] <... futex resumed>)        = 0
[pid  1327] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1331] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1330] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1331] <... set_robust_list resumed>) = 0
[pid  1330] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1331
[pid  1331] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1330] <... futex resumed>)        = 1
[pid  1327] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1331] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1332 attached
[pid  1331] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1330] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1327] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1332] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1330] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1327] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1332
[pid  1332] <... set_robust_list resumed>) = 0
[pid  1330] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1327] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1332] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1332] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1330] <... openat resumed>)       = 3
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1332] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1331] <... prctl resumed>)        = 0
[pid  1330] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1331] setpgid(0, 0)               = 0
[pid  1331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1332] <... prctl resumed>)        = 0
[pid  1331] <... openat resumed>)       = 3
[pid  1330] <... futex resumed>)        = 1
[pid  1332] setpgid(0, 0 <unfinished ...>
[pid  1331] write(3, "1000", 4 <unfinished ...>
[pid  1330] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1327] <... futex resumed>)        = 0
[pid  1332] <... setpgid resumed>)      = 0
[pid  1331] <... write resumed>)        = 4
[pid  1327] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1331] close(3 <unfinished ...>
[pid  1332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1331] <... close resumed>)        = 0
[pid  1330] <... futex resumed>)        = 0
[pid  1327] <... futex resumed>)        = 1
[pid  1331] write(1, "executing program\n", 18 <unfinished ...>
[pid  1330] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1332] <... openat resumed>)       = 3
[pid  1331] <... write resumed>)        = 18
[pid  1331] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1330] <... write resumed>)        = 2
[pid  1327] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1332] write(3, "1000", 4 <unfinished ...>
[pid  1331] <... futex resumed>)        = 0
[pid  1330] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1327] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
executing program
[pid  1331] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  1331] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1332] <... write resumed>)        = 4
[pid  1331] <... mmap resumed>)         = 0x7fb4de009000
[pid  1330] <... futex resumed>)        = 0
[pid  1327] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1332] close(3 <unfinished ...>
[pid  1330] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1327] <... futex resumed>)        = 0
[pid  1332] <... close resumed>)        = 0
[pid  1327] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1332] write(1, "executing program\n", 18) = 18
[pid  1331] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
executing program
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1332] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1331] <... mprotect resumed>)     = 0
[pid  1330] <... openat resumed>)       = 4
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1332] <... futex resumed>)        = 0
[pid  1331] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1332] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1331] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1330] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1333 attached
 <unfinished ...>
[pid  1332] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1331] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1330] <... futex resumed>)        = 1
[pid  1327] <... futex resumed>)        = 0
[pid  1333] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1332] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1330] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1333] <... set_robust_list resumed>) = 0
[pid  1332] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1327] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 1334 attached
 <unfinished ...>
[pid  1333] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1330] <... futex resumed>)        = ?
[pid  1327] <... exit_group resumed>)   = ?
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1333
[pid  1334] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1333] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1331] <... clone3 resumed> => {parent_tid=[1334]}, 88) = 1334
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1334] <... set_robust_list resumed>) = 0
[pid  1331] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1330] +++ exited with 0 +++
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1334] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1331] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1334] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1331] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1334] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1331] <... futex resumed>)        = 0
[pid  1331] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1334] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1334] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1331] <... futex resumed>)        = 0
[pid  1334] <... futex resumed>)        = 1
[pid  1331] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1327] +++ exited with 0 +++
[pid  1332] <... mmap resumed>)         = 0x7fb4de009000
[pid  1334] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1333] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1331] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1327, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1334] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1331] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1334] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1331] <... futex resumed>)        = 0
[pid  1334] <... futex resumed>)        = 1
[pid  1331] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1334] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1333] <... prctl resumed>)        = 0
[pid  1332] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1331] <... futex resumed>)        = 0
[pid  1334] <... openat resumed>)       = 3
[pid  1333] setpgid(0, 0 <unfinished ...>
[pid  1332] <... mprotect resumed>)     = 0
[pid  1331] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1333] <... setpgid resumed>)      = 0
[pid  1334] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1332] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1331] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1334] <... futex resumed>)        = 0
[pid  1333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1332] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1331] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1334] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1331] <... futex resumed>)        = 0
[pid  1334] <... write resumed>)        = 2
[pid  1331] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1333] <... openat resumed>)       = 3
[pid  1334] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1332] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1331] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1334] <... futex resumed>)        = 0
[pid  1331] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1334] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid  1331] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1335 attached
[pid  1331] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1335] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1334] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1333] write(3, "1000", 4 <unfinished ...>
[pid  1332] <... clone3 resumed> => {parent_tid=[1335]}, 88) = 1335
[pid  1331] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1335] <... set_robust_list resumed>) = 0
[pid  1334] <... futex resumed>)        = 0
[pid  1333] <... write resumed>)        = 4
[pid  1332] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1331] exit_group(0 <unfinished ...>
[pid  1333] close(3 <unfinished ...>
[pid  1332] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1335] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1332] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1331] <... exit_group resumed>)   = ?
[pid  1335] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1334] +++ exited with 0 +++
[pid  1333] <... close resumed>)        = 0
[pid  1332] <... futex resumed>)        = 0
[pid  1331] +++ exited with 0 +++
[pid  1335] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1333] write(1, "executing program\n", 18 <unfinished ...>
[pid  1335] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1332] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1333] <... write resumed>)        = 18
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1331, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1335] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1333] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1335] <... futex resumed>)        = 1
[pid  1335] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1333] <... futex resumed>)        = 0
[pid  1332] <... futex resumed>)        = 0
executing program
[pid  1333] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1332] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1333] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1335] <... futex resumed>)        = 0
[pid  1332] <... futex resumed>)        = 1
[pid  1335] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  1333] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1332] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1333] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1335] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1335] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1332] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1332] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1333] <... mmap resumed>)         = 0x7fb4de009000
[pid  1332] <... futex resumed>)        = 1
[pid  1335] <... futex resumed>)        = 0
[pid  1333] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1335] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1332] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1335] <... openat resumed>)       = 3
[pid  1333] <... mprotect resumed>)     = 0
[pid  1335] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1333] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1332] <... futex resumed>)        = 0
[pid  1335] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1333] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1335] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1332] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1335] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1333] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1332] <... futex resumed>)        = 0
[pid  1335] <... write resumed>)        = 2
[pid  1332] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1335] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1332] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1335] <... futex resumed>)        = 0
[pid  1332] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1335] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1332] <... futex resumed>)        = 0
[pid  1332] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1336 attached
 <unfinished ...>
[pid  1335] <... openat resumed>)       = 4
[pid  1333] <... clone3 resumed> => {parent_tid=[1336]}, 88) = 1336
[pid   312] <... restart_syscall resumed>) = 0
[pid  1336] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1333] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1336] <... set_robust_list resumed>) = 0
[pid  1335] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1333] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1336] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1335] <... futex resumed>)        = 1
[pid  1333] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1332] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1336] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1335] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1333] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1336] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1333] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1332] exit_group(0 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1337 attached
 <unfinished ...>
[pid  1336] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1336] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 1338 attached
[pid  1332] <... exit_group resumed>)   = ?
[pid  1335] <... futex resumed>)        = ?
[pid  1338] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1337] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1336] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1333] <... futex resumed>)        = 0
[pid  1337] <... set_robust_list resumed>) = 0
[pid  1333] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1337
[pid  1337] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1336] <... futex resumed>)        = 0
[pid  1333] <... futex resumed>)        = 1
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1337] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1336] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1333] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1338] <... set_robust_list resumed>) = 0
[pid  1337] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1336] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1335] +++ exited with 0 +++
[pid  1332] +++ exited with 0 +++
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1338
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1338] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1337] <... prctl resumed>)        = 0
[pid  1336] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1338] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1337] setpgid(0, 0 <unfinished ...>
[pid  1336] <... futex resumed>)        = 1
[pid  1333] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1332, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1338] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1337] <... setpgid resumed>)      = 0
[pid  1336] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1333] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1336] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1333] <... futex resumed>)        = 0
[pid  1333] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1338] <... prctl resumed>)        = 0
[pid  1337] <... openat resumed>)       = 3
[pid  1336] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1338] setpgid(0, 0)               = 0
[pid  1338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1337] write(3, "1000", 4 <unfinished ...>
[pid  1336] <... openat resumed>)       = 3
[pid  1337] <... write resumed>)        = 4
[pid  1336] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1338] <... openat resumed>)       = 3
[pid  1337] close(3 <unfinished ...>
[pid  1333] <... futex resumed>)        = 0
[pid  1338] write(3, "1000", 4)         = 4
[pid  1337] <... close resumed>)        = 0
[pid  1336] <... futex resumed>)        = 1
[pid  1333] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1338] close(3 <unfinished ...>
[pid  1337] write(1, "executing program\n", 18 <unfinished ...>
[pid  1336] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1333] <... futex resumed>)        = 0
executing program
[pid  1338] <... close resumed>)        = 0
[pid  1337] <... write resumed>)        = 18
[pid  1336] <... write resumed>)        = 2
[pid  1333] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1338] write(1, "executing program\n", 18 <unfinished ...>
[pid  1337] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1336] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1333] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1338] <... write resumed>)        = 18
[pid  1337] <... futex resumed>)        = 0
[pid  1336] <... futex resumed>)        = 0
executing program
[pid  1333] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1338] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1337] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1336] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1333] <... futex resumed>)        = 0
[pid  1338] <... futex resumed>)        = 0
[pid  1338] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1337] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1336] <... openat resumed>)       = 4
[pid  1333] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1337] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1338] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1338] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1337] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1336] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1338] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1336] <... futex resumed>)        = 1
[pid  1333] <... futex resumed>)        = 0
[pid  1337] <... mmap resumed>)         = 0x7fb4de009000
[pid  1336] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1333] exit_group(0 <unfinished ...>
[pid  1337] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1336] <... futex resumed>)        = ?
[pid  1333] <... exit_group resumed>)   = ?
[pid  1338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1337] <... mprotect resumed>)     = 0
[pid  1336] +++ exited with 0 +++
[pid  1333] +++ exited with 0 +++
[pid  1338] <... mmap resumed>)         = 0x7fb4de009000
[pid  1337] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1337] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1338] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1333, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1338] <... mprotect resumed>)     = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1337] <... clone3 resumed> => {parent_tid=[1339]}, 88) = 1339
ci2-android-6-12-rust/strace-static-x86_64: Process 1339 attached
[pid  1338] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1337] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1339] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1338] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1337] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1337] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1337] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1339] <... set_robust_list resumed>) = 0
[pid  1339] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1339] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1339] <... mkdirat resumed>)      = -1 EEXIST (File exists)
ci2-android-6-12-rust/strace-static-x86_64: Process 1340 attached
[pid  1339] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1340] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1338] <... clone3 resumed> => {parent_tid=[1340]}, 88) = 1340
[pid  1337] <... futex resumed>)        = 0
[pid  1340] <... set_robust_list resumed>) = 0
[pid  1338] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1340] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1338] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1340] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1338] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1339] <... futex resumed>)        = 1
[pid  1337] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1339] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1337] <... futex resumed>)        = 0
[pid  1338] <... futex resumed>)        = 0
[pid  1340] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1339] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1337] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1340] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1339] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1338] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1337] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1339] <... futex resumed>)        = 0
[pid  1337] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1340] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1339] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1337] <... futex resumed>)        = 0
[pid  1340] <... futex resumed>)        = 1
[pid  1339] <... openat resumed>)       = 3
[pid  1338] <... futex resumed>)        = 0
[pid  1337] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1340] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1339] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1338] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1340] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1339] <... futex resumed>)        = 1
[pid  1338] <... futex resumed>)        = 0
[pid  1337] <... futex resumed>)        = 0
[pid  1340] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1339] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1338] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1337] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1339] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1337] <... futex resumed>)        = 0
[pid  1339] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1337] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1339] <... write resumed>)        = 2
[pid  1339] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1337] <... futex resumed>)        = 0
[pid  1339] <... futex resumed>)        = 1
[pid  1337] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1339] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1337] <... futex resumed>)        = 0
[pid  1340] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1339] <... openat resumed>)       = 4
[pid  1337] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1340] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1339] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1340] <... futex resumed>)        = 1
[pid  1338] <... futex resumed>)        = 0
[pid  1340] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1338] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1340] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1339] <... futex resumed>)        = 1
[pid  1338] <... futex resumed>)        = 0
[pid  1337] <... futex resumed>)        = 0
[pid  1340] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1339] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1338] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1337] exit_group(0 <unfinished ...>
[pid  1340] <... openat resumed>)       = 3
[pid  1339] <... futex resumed>)        = ?
[pid  1337] <... exit_group resumed>)   = ?
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1340] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1339] +++ exited with 0 +++
[pid  1337] +++ exited with 0 +++
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1340] <... futex resumed>)        = 1
[pid  1338] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1340] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1338] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1337, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1338] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1340] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1340] write(3, "\x38\x00", 2ci2-android-6-12-rust/strace-static-x86_64: Process 1341 attached
 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1341
[pid  1340] <... write resumed>)        = 2
[pid  1340] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1341] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1340] <... futex resumed>)        = 1
[pid  1338] <... futex resumed>)        = 0
[pid  1341] <... set_robust_list resumed>) = 0
[pid  1340] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1338] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1341] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1340] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1338] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1341] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1340] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1338] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1341] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1340] <... openat resumed>)       = 4
ci2-android-6-12-rust/strace-static-x86_64: Process 1342 attached
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1342
[pid  1341] <... prctl resumed>)        = 0
[pid  1341] setpgid(0, 0 <unfinished ...>
[pid  1340] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1342] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1341] <... setpgid resumed>)      = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1340] <... futex resumed>)        = 1
[pid  1338] <... futex resumed>)        = 0
[pid  1342] <... set_robust_list resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1338] exit_group(0 <unfinished ...>
[pid  1342] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1343 attached
 <unfinished ...>
[pid  1338] <... exit_group resumed>)   = ?
[pid  1342] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1343] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1340] +++ exited with 0 +++
[pid  1343] <... set_robust_list resumed>) = 0
[pid  1343] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1342] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1343
[pid  1343] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1341] <... openat resumed>)       = 3
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1343] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1343] <... prctl resumed>)        = 0
[pid  1343] setpgid(0, 0)               = 0
[pid  1343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1338] +++ exited with 0 +++
[pid  1342] <... prctl resumed>)        = 0
[pid  1342] setpgid(0, 0 <unfinished ...>
[pid  1341] write(3, "1000", 4 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1338, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1342] <... setpgid resumed>)      = 0
[pid  1341] <... write resumed>)        = 4
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1341] close(3 <unfinished ...>
[pid  1343] <... openat resumed>)       = 3
[pid  1342] <... openat resumed>)       = 3
[pid  1341] <... close resumed>)        = 0
[pid  1343] write(3, "1000", 4)         = 4
[pid  1343] close(3)                    = 0
[pid  1343] write(1, "executing program\n", 18 <unfinished ...>
[pid  1341] write(1, "executing program\n", 18 <unfinished ...>
[pid  1342] write(3, "1000", 4 <unfinished ...>
[pid  1341] <... write resumed>)        = 18
[pid  1342] <... write resumed>)        = 4
[pid  1343] <... write resumed>)        = 18
[pid  1342] close(3 <unfinished ...>
[pid  1341] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1342] <... close resumed>)        = 0
[pid  1341] <... futex resumed>)        = 0
[pid  1342] write(1, "executing program\n", 18 <unfinished ...>
executing program
executing program
executing program
[pid  1341] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1342] <... write resumed>)        = 18
[pid  1341] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1343] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1342] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1341] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1343] <... futex resumed>)        = 0
[pid  1341] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1343] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1342] <... futex resumed>)        = 0
[pid  1343] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1343] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1343] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1343] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1342] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1343] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1342] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1343] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1341] <... mmap resumed>)         = 0x7fb4de009000
[pid  1342] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1341] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1342] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1344 attached
[pid  1342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1341] <... mprotect resumed>)     = 0
[pid  1343] <... clone3 resumed> => {parent_tid=[1344]}, 88) = 1344
[pid  1342] <... mmap resumed>)         = 0x7fb4de009000
[pid  1341] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1342] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1344] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1343] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1342] <... mprotect resumed>)     = 0
[pid  1343] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1343] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1343] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1344] <... set_robust_list resumed>) = 0
[pid  1342] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1344] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1341] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1344] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1342] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1344] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1342] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1345 attached
 <unfinished ...>
[pid  1344] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1345] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1344] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1341] <... clone3 resumed> => {parent_tid=[1345]}, 88) = 1345
[pid  1344] <... futex resumed>)        = 1
[pid  1341] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1346 attached
 <unfinished ...>
[pid  1345] <... set_robust_list resumed>) = 0
[pid  1344] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1343] <... futex resumed>)        = 0
[pid  1342] <... clone3 resumed> => {parent_tid=[1346]}, 88) = 1346
[pid  1341] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1346] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1345] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1343] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1342] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1341] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1346] <... set_robust_list resumed>) = 0
[pid  1345] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1344] <... futex resumed>)        = 0
[pid  1343] <... futex resumed>)        = 1
[pid  1341] <... futex resumed>)        = 0
[pid  1346] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1345] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1344] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1343] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1342] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1346] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1345] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1341] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1346] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1344] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1345] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1345] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1342] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1344] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1341] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1346] <... futex resumed>)        = 0
[pid  1344] <... futex resumed>)        = 1
[pid  1343] <... futex resumed>)        = 0
[pid  1342] <... futex resumed>)        = 1
[pid  1346] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1344] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1343] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1342] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1341] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1346] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1344] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1343] <... futex resumed>)        = 0
[pid  1344] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1341] <... futex resumed>)        = 1
[pid  1346] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1345] <... futex resumed>)        = 0
[pid  1344] <... openat resumed>)       = 3
[pid  1343] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1341] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1346] <... futex resumed>)        = 1
[pid  1345] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1344] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1343] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1342] <... futex resumed>)        = 0
[pid  1346] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1345] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1344] <... futex resumed>)        = 0
[pid  1343] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1342] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1346] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1345] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1344] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1343] <... futex resumed>)        = 0
[pid  1342] <... futex resumed>)        = 0
[pid  1346] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1345] <... futex resumed>)        = 1
[pid  1344] <... write resumed>)        = 2
[pid  1343] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1342] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1341] <... futex resumed>)        = 0
[pid  1346] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1345] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1344] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1343] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1341] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1346] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1345] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1344] <... futex resumed>)        = 0
[pid  1343] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1341] <... futex resumed>)        = 0
[pid  1346] <... futex resumed>)        = 1
[pid  1345] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1343] <... futex resumed>)        = 0
[pid  1342] <... futex resumed>)        = 0
[pid  1346] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1345] <... openat resumed>)       = 3
[pid  1344] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1343] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1342] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1341] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1346] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1346] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1345] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1342] <... futex resumed>)        = 0
[pid  1345] <... futex resumed>)        = 0
[pid  1342] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1341] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... restart_syscall resumed>) = 0
[pid  1345] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1346] <... openat resumed>)       = 3
[pid  1344] <... openat resumed>)       = 4
[pid  1341] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1346] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1344] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1341] <... futex resumed>)        = 1
[pid  1346] <... futex resumed>)        = 1
[pid  1345] <... futex resumed>)        = 0
[pid  1342] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1346] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1345] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1342] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1346] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1345] <... write resumed>)        = 2
[pid  1342] <... futex resumed>)        = 0
[pid  1346] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1345] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1342] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1346] <... write resumed>)        = 2
[pid  1345] <... futex resumed>)        = 0
[pid  1346] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1345] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1346] <... futex resumed>)        = 1
[pid  1342] <... futex resumed>)        = 0
[pid  1346] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1342] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1346] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1346] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1342] <... futex resumed>)        = 0
[pid  1346] <... openat resumed>)       = 4
[pid  1342] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1341] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1344] <... futex resumed>)        = 1
[pid  1343] <... futex resumed>)        = 0
[pid  1341] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1344] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1341] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1341] <... futex resumed>)        = 1
[pid  1346] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1345] <... futex resumed>)        = 0
[pid  1343] exit_group(0 <unfinished ...>
[pid  1346] <... futex resumed>)        = 1
[pid  1345] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1344] <... futex resumed>)        = ?
[pid  1343] <... exit_group resumed>)   = ?
[pid  1342] <... futex resumed>)        = 0
[pid  1341] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1347 attached
 <unfinished ...>
[pid  1346] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1345] <... openat resumed>)       = 4
[pid  1344] +++ exited with 0 +++
[pid  1343] +++ exited with 0 +++
[pid  1342] exit_group(0 <unfinished ...>
[pid  1346] <... futex resumed>)        = ?
[pid  1345] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1342] <... exit_group resumed>)   = ?
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1343, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1347] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1346] +++ exited with 0 +++
[pid  1345] <... futex resumed>)        = 1
[pid  1342] +++ exited with 0 +++
[pid  1341] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1347
[pid  1347] <... set_robust_list resumed>) = 0
[pid  1345] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1341] exit_group(0 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1342, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1347] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1345] <... futex resumed>)        = ?
[pid  1341] <... exit_group resumed>)   = ?
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1347] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1345] +++ exited with 0 +++
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1347] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1341] +++ exited with 0 +++
[pid  1347] <... prctl resumed>)        = 0
[pid  1347] setpgid(0, 0 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1341, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1347] <... setpgid resumed>)      = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1347] write(3, "1000", 4)         = 4
[pid  1347] close(3)                    = 0
[pid  1347] write(1, "executing program\n", 18) = 18
executing program
[pid  1347] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1347] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1347] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1347] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1347] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1347] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1348 attached
 <unfinished ...>
[pid  1348] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1347] <... clone3 resumed> => {parent_tid=[1348]}, 88) = 1348
[pid  1348] <... set_robust_list resumed>) = 0
[pid  1347] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1348] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1347] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1348] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1347] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1348] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1347] <... futex resumed>)        = 0
[pid  1347] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1348] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1348] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1347] <... futex resumed>)        = 0
[pid  1348] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1347] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1348] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1347] <... futex resumed>)        = 0
[pid  1348] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1347] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1348] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1348] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1347] <... futex resumed>)        = 0
[pid  1348] <... futex resumed>)        = 1
[pid  1347] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1348] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1347] <... futex resumed>)        = 0
[pid  1348] <... openat resumed>)       = 3
[pid  1347] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1348] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1347] <... futex resumed>)        = 0
[pid  1348] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1347] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1348] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1347] <... futex resumed>)        = 0
[pid  1348] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1347] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1348] <... write resumed>)        = 2
[pid  1348] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1347] <... futex resumed>)        = 0
[pid  1348] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1347] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1348] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1347] <... futex resumed>)        = 0
[pid  1348] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1347] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1348] <... openat resumed>)       = 4
[pid  1348] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1348] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1347] <... futex resumed>)        = 0
[pid  1347] exit_group(0 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1348] <... futex resumed>)        = ?
[pid  1348] +++ exited with 0 +++
[pid  1347] <... exit_group resumed>)   = ?
[pid  1347] +++ exited with 0 +++
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1347, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 1349 attached
 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1349
[pid  1349] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1350 attached
 <unfinished ...>
[pid  1349] <... set_robust_list resumed>) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1350] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1349] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1350
[pid  1350] <... set_robust_list resumed>) = 0
[pid  1349] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1349] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1350] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1349] <... prctl resumed>)        = 0
[pid  1349] setpgid(0, 0)               = 0
[pid  1350] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1350] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1349] <... openat resumed>)       = 3
[pid  1350] <... prctl resumed>)        = 0
[pid  1350] setpgid(0, 0 <unfinished ...>
[pid  1349] write(3, "1000", 4 <unfinished ...>
[pid  1350] <... setpgid resumed>)      = 0
[pid  1349] <... write resumed>)        = 4
[pid  1349] close(3 <unfinished ...>
[pid  1350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1349] <... close resumed>)        = 0
[pid  1349] write(1, "executing program\n", 18) = 18
executing program
[pid  1349] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1349] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1349] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1349] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1350] <... openat resumed>)       = 3
[pid  1349] <... mprotect resumed>)     = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1350] write(3, "1000", 4 <unfinished ...>
[pid  1349] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1350] <... write resumed>)        = 4
[pid  1350] close(3 <unfinished ...>
[pid  1349] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1351 attached
[pid  1350] <... close resumed>)        = 0
[pid  1349] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1350] write(1, "executing program\n", 18) = 18
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1350] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1350] <... futex resumed>)        = 0
[pid  1351] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1350] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1350] <... rt_sigaction resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1352 attached
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1351
[pid  1352] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1349] <... clone3 resumed> => {parent_tid=[1352]}, 88) = 1352
executing program
[pid   314] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1353 attached
 <unfinished ...>
[pid  1352] <... set_robust_list resumed>) = 0
[pid  1351] <... set_robust_list resumed>) = 0
[pid  1350] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1349] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1353] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1352] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1351] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1350] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1349] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1353] <... set_robust_list resumed>) = 0
[pid  1352] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1349] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1353] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1352] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1349] <... futex resumed>)        = 0
[pid  1351] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1353
[pid  1353] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1352] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1351] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1349] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1350] <... mmap resumed>)         = 0x7fb4de009000
[pid  1353] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1352] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1351] <... prctl resumed>)        = 0
[pid  1350] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1349] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1353] <... prctl resumed>)        = 0
[pid  1352] <... futex resumed>)        = 0
[pid  1351] setpgid(0, 0 <unfinished ...>
[pid  1350] <... mprotect resumed>)     = 0
[pid  1349] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1353] setpgid(0, 0 <unfinished ...>
[pid  1352] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1351] <... setpgid resumed>)      = 0
[pid  1349] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1353] <... setpgid resumed>)      = 0
[pid  1352] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1350] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1349] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1352] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1350] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1352] <... futex resumed>)        = 1
[pid  1349] <... futex resumed>)        = 0
[pid  1350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1353] write(3, "1000", 4 <unfinished ...>
[pid  1352] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1351] <... openat resumed>)       = 3
[pid  1349] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1353] <... write resumed>)        = 4
[pid  1352] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1351] write(3, "1000", 4 <unfinished ...>
[pid  1349] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1354 attached
[pid  1353] close(3 <unfinished ...>
[pid  1352] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1351] <... write resumed>)        = 4
[pid  1350] <... clone3 resumed> => {parent_tid=[1354]}, 88) = 1354
[pid  1349] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1354] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1353] <... close resumed>)        = 0
[pid  1352] <... openat resumed>)       = 3
[pid  1354] <... set_robust_list resumed>) = 0
[pid  1353] write(1, "executing program\n", 18 <unfinished ...>
[pid  1352] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1351] close(3 <unfinished ...>
executing program
[pid  1350] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1354] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1353] <... write resumed>)        = 18
[pid  1352] <... futex resumed>)        = 1
[pid  1351] <... close resumed>)        = 0
[pid  1350] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1349] <... futex resumed>)        = 0
[pid  1351] write(1, "executing program\n", 18 <unfinished ...>
[pid  1350] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1351] <... write resumed>)        = 18
executing program
[pid  1350] <... futex resumed>)        = 0
[pid  1354] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1353] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1352] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1351] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1350] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1349] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1354] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1353] <... futex resumed>)        = 0
[pid  1352] <... write resumed>)        = 2
[pid  1349] <... futex resumed>)        = 0
[pid  1354] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1353] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1352] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1349] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1354] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1353] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1352] <... futex resumed>)        = 0
[pid  1349] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1354] <... futex resumed>)        = 0
[pid  1353] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1352] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1351] <... futex resumed>)        = 0
[pid  1350] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1349] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1354] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1353] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1352] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1351] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1350] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1349] <... futex resumed>)        = 0
[pid  1354] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1352] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1351] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1350] <... futex resumed>)        = 0
[pid  1349] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1354] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1353] <... mmap resumed>)         = 0x7fb4de009000
[pid  1352] <... openat resumed>)       = 4
[pid  1351] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1350] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1354] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1353] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1352] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1351] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1352] <... futex resumed>)        = 1
[pid  1351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1349] <... futex resumed>)        = 0
[pid  1354] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1353] <... mprotect resumed>)     = 0
[pid  1352] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1351] <... mmap resumed>)         = 0x7fb4de009000
[pid  1349] exit_group(0 <unfinished ...>
[pid  1354] <... futex resumed>)        = 1
[pid  1353] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1352] <... futex resumed>)        = ?
[pid  1351] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1350] <... futex resumed>)        = 0
[pid  1349] <... exit_group resumed>)   = ?
[pid  1354] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1353] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1352] +++ exited with 0 +++
[pid  1351] <... mprotect resumed>)     = 0
[pid  1350] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1349] +++ exited with 0 +++
[pid  1354] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1351] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1350] <... futex resumed>)        = 0
[pid  1354] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  1351] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1350] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1349, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1354] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1353] <... clone3 resumed> => {parent_tid=[1355]}, 88) = 1355
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1354] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1353] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1353] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1355 attached
 <unfinished ...>
[pid  1350] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1355] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  1355] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1355] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1350] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1351] <... clone3 resumed> => {parent_tid=[1356]}, 88) = 1356
[pid  1350] <... futex resumed>)        = 1
[pid  1351] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1350] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1351] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1356 attached
[pid  1355] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1354] <... futex resumed>)        = 0
[pid  1351] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1356] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1355] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1354] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1356] <... set_robust_list resumed>) = 0
[pid  1355] <... futex resumed>)        = 1
[pid  1354] <... write resumed>)        = 2
[pid  1353] <... futex resumed>)        = 0
[pid  1351] <... futex resumed>)        = 0
[pid  1356] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1355] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1354] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1353] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1356] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1355] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1354] <... futex resumed>)        = 1
[pid  1353] <... futex resumed>)        = 0
[pid  1351] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1356] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1355] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1354] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1353] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1350] <... futex resumed>)        = 0
[pid  1356] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1355] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1350] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1356] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1355] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1354] <... futex resumed>)        = 0
[pid  1350] <... futex resumed>)        = 1
[pid  1356] <... futex resumed>)        = 1
[pid  1355] <... futex resumed>)        = 1
[pid  1354] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1353] <... futex resumed>)        = 0
[pid  1351] <... futex resumed>)        = 0
[pid  1350] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1356] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1355] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1354] <... openat resumed>)       = 4
[pid  1353] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1351] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1356] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1355] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1354] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1353] <... futex resumed>)        = 0
[pid  1351] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1356] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1355] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1354] <... futex resumed>)        = 1
[pid  1353] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1350] <... futex resumed>)        = 0
[pid  1356] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1355] <... openat resumed>)       = 3
[pid  1354] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1355] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1356] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1355] <... futex resumed>)        = 1
[pid  1353] <... futex resumed>)        = 0
[pid  1350] exit_group(0 <unfinished ...>
[pid  1356] <... futex resumed>)        = 1
[pid  1355] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1354] <... futex resumed>)        = ?
[pid  1353] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1351] <... futex resumed>)        = 0
[pid  1350] <... exit_group resumed>)   = ?
[pid  1351] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1356] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1355] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1354] +++ exited with 0 +++
[pid  1353] <... futex resumed>)        = 0
[pid  1356] <... openat resumed>)       = 3
[pid  1355] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1353] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1351] <... futex resumed>)        = 0
[pid  1356] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1355] <... write resumed>)        = 2
[pid  1356] <... futex resumed>)        = 0
[pid  1355] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1356] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1355] <... futex resumed>)        = 1
[pid  1353] <... futex resumed>)        = 0
[pid  1355] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1353] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1355] <... openat resumed>)       = 4
[pid  1353] <... futex resumed>)        = 0
[pid  1351] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1350] +++ exited with 0 +++
[pid  1351] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1351] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1350, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1355] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1353] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1355] <... futex resumed>)        = 0
[pid  1353] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1355] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1353] exit_group(0 <unfinished ...>
[pid  1355] <... futex resumed>)        = ?
[pid  1353] <... exit_group resumed>)   = ?
[pid  1356] <... futex resumed>)        = 0
[pid  1355] +++ exited with 0 +++
[pid  1353] +++ exited with 0 +++
[pid  1351] <... futex resumed>)        = 1
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1351] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1356] write(3, "\x38\x00", 2)     = 2
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1353, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1356] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1351] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1356] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  1351] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1356] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid  1351] <... futex resumed>)        = 0
[pid  1356] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1351] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1356] <... futex resumed>)        = 0
[pid  1351] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1356] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1351] exit_group(0 <unfinished ...>
[pid  1356] <... futex resumed>)        = ?
[pid  1351] <... exit_group resumed>)   = ?
[pid  1356] +++ exited with 0 +++
[pid  1351] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1351, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1357 attached
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1357
[pid   312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1357] set_robust_list(0x55557716c6a0, 24) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1357] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1357] setpgid(0, 0)               = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1358 attached
[pid  1357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1358] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1358
[pid  1358] <... set_robust_list resumed>) = 0
[pid  1357] <... openat resumed>)       = 3
[pid  1358] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1357] write(3, "1000", 4 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1358] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1357] <... write resumed>)        = 4
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1358] <... prctl resumed>)        = 0
[pid  1357] close(3 <unfinished ...>
[pid  1358] setpgid(0, 0 <unfinished ...>
[pid  1357] <... close resumed>)        = 0
[pid  1358] <... setpgid resumed>)      = 0
executing program
[pid  1357] write(1, "executing program\n", 18 <unfinished ...>
[pid  1358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1357] <... write resumed>)        = 18
[pid  1357] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1358] <... openat resumed>)       = 3
[pid  1357] <... futex resumed>)        = 0
[pid  1357] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1358] write(3, "1000", 4)         = 4
[pid  1357] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1358] close(3 <unfinished ...>
[pid  1357] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1358] <... close resumed>)        = 0
[pid  1357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
executing program
[pid  1358] write(1, "executing program\n", 18 <unfinished ...>
[pid  1357] <... mmap resumed>)         = 0x7fb4de009000
[pid  1358] <... write resumed>)        = 18
[pid  1358] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1357] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1358] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1357] <... mprotect resumed>)     = 0
[pid  1358] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1358] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1357] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1358] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1357] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1357] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1359 attached
 <unfinished ...>
[pid  1358] <... mmap resumed>)         = 0x7fb4de009000
[pid   314] <... restart_syscall resumed>) = 0
[pid  1358] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1357] <... clone3 resumed> => {parent_tid=[1359]}, 88) = 1359
[pid  1358] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1357] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1358] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1357] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1359] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1358] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1357] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1360 attached
[pid  1359] <... set_robust_list resumed>) = 0
[pid  1357] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1359] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1360] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1359] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1358] <... clone3 resumed> => {parent_tid=[1360]}, 88) = 1360
[pid  1357] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1358] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1358] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1358] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1361 attached
 <unfinished ...>
[pid  1359] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  1360] <... set_robust_list resumed>) = 0
[pid  1361] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1360] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1359] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1361] <... set_robust_list resumed>) = 0
[pid  1360] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1359] <... futex resumed>)        = 1
[pid  1357] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1361
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1360] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1359] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1357] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1360] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1359] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1357] <... futex resumed>)        = 0
[pid  1357] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1361] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1362 attached
, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1359] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1362] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1360] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1361] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1359] <... futex resumed>)        = 1
[pid  1357] <... futex resumed>)        = 0
[pid  1360] <... futex resumed>)        = 1
[pid  1362] <... set_robust_list resumed>) = 0
[pid  1359] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1362
[pid  1360] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1362] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1361] <... prctl resumed>)        = 0
[pid  1358] <... futex resumed>)        = 0
[pid  1357] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1362] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1361] setpgid(0, 0 <unfinished ...>
[pid  1359] <... futex resumed>)        = 0
[pid  1358] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1357] <... futex resumed>)        = 1
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1362] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1361] <... setpgid resumed>)      = 0
[pid  1360] <... futex resumed>)        = 0
[pid  1359] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1358] <... futex resumed>)        = 1
[pid  1357] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1362] <... prctl resumed>)        = 0
[pid  1361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1360] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1359] <... openat resumed>)       = 3
[pid  1358] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1362] setpgid(0, 0 <unfinished ...>
[pid  1361] <... openat resumed>)       = 3
[pid  1360] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1359] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1362] <... setpgid resumed>)      = 0
[pid  1360] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1359] <... futex resumed>)        = 1
[pid  1362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1361] write(3, "1000", 4 <unfinished ...>
[pid  1360] <... futex resumed>)        = 1
[pid  1359] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1358] <... futex resumed>)        = 0
[pid  1357] <... futex resumed>)        = 0
[pid  1361] <... write resumed>)        = 4
[pid  1362] <... openat resumed>)       = 3
[pid  1360] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1358] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1357] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1362] write(3, "1000", 4 <unfinished ...>
[pid  1361] close(3 <unfinished ...>
[pid  1360] <... openat resumed>)       = 3
[pid  1359] <... futex resumed>)        = 0
[pid  1358] <... futex resumed>)        = 0
[pid  1357] <... futex resumed>)        = 1
[pid  1362] <... write resumed>)        = 4
[pid  1361] <... close resumed>)        = 0
[pid  1360] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1359] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1358] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1357] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1362] close(3 <unfinished ...>
[pid  1361] write(1, "executing program\n", 18 <unfinished ...>
[pid  1360] <... futex resumed>)        = 0
[pid  1359] <... write resumed>)        = 2
[pid  1358] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1362] <... close resumed>)        = 0
[pid  1361] <... write resumed>)        = 18
[pid  1360] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1359] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1358] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1362] write(1, "executing program\n", 18 <unfinished ...>
[pid  1361] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1360] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1359] <... futex resumed>)        = 1
[pid  1358] <... futex resumed>)        = 0
[pid  1357] <... futex resumed>)        = 0
[pid  1362] <... write resumed>)        = 18
[pid  1361] <... futex resumed>)        = 0
[pid  1360] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1359] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
executing program
[pid  1358] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1357] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1362] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1361] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1360] <... write resumed>)        = 2
[pid  1359] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1357] <... futex resumed>)        = 0
[pid  1362] <... futex resumed>)        = 0
[pid  1361] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1360] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1359] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1357] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1362] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1361] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1360] <... futex resumed>)        = 1
[pid  1358] <... futex resumed>)        = 0
[pid  1362] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1361] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1360] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1359] <... openat resumed>)       = 4
[pid  1358] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1362] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1360] <... openat resumed>)       = 4
[pid  1359] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1358] <... futex resumed>)        = 0
[pid  1362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1361] <... mmap resumed>)         = 0x7fb4de009000
[pid  1360] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1359] <... futex resumed>)        = 1
[pid  1358] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1357] <... futex resumed>)        = 0
[pid  1362] <... mmap resumed>)         = 0x7fb4de009000
[pid  1361] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1360] <... futex resumed>)        = 0
[pid  1359] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1358] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1357] exit_group(0 <unfinished ...>
[pid  1362] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1361] <... mprotect resumed>)     = 0
[pid  1360] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1358] exit_group(0 <unfinished ...>
[pid  1362] <... mprotect resumed>)     = 0
[pid  1361] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1360] <... futex resumed>)        = ?
[pid  1359] <... futex resumed>)        = ?
[pid  1358] <... exit_group resumed>)   = ?
[pid  1357] <... exit_group resumed>)   = ?
[pid  1362] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1360] +++ exited with 0 +++
[pid  1359] +++ exited with 0 +++
[pid  1362] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1361] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1358] +++ exited with 0 +++
[pid  1357] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 1363 attached
[pid  1361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1358, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1357, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 1364 attached
[pid  1363] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1362] <... clone3 resumed> => {parent_tid=[1363]}, 88) = 1363
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1364] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1363] <... set_robust_list resumed>) = 0
[pid  1364] <... set_robust_list resumed>) = 0
[pid  1362] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1363] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1364] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1362] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1364] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1363] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1364] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1362] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1363] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1362] <... futex resumed>)        = 0
[pid  1361] <... clone3 resumed> => {parent_tid=[1364]}, 88) = 1364
[pid  1363] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1362] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1361] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1363] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1362] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1361] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1363] <... futex resumed>)        = 0
[pid  1362] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1361] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1364] <... futex resumed>)        = 0
[pid  1363] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1362] <... futex resumed>)        = 0
[pid  1361] <... futex resumed>)        = 1
[pid  1364] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1361] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1364] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1363] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1362] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1364] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1363] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1364] <... futex resumed>)        = 1
[pid  1362] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1361] <... futex resumed>)        = 0
[pid  1364] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1363] <... futex resumed>)        = 0
[pid  1362] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1361] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1364] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1363] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1362] <... futex resumed>)        = 0
[pid  1361] <... futex resumed>)        = 0
[pid  1364] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1363] <... openat resumed>)       = 3
[pid  1362] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1361] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1364] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1363] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1364] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1363] <... futex resumed>)        = 1
[pid  1362] <... futex resumed>)        = 0
[pid  1364] <... futex resumed>)        = 1
[pid  1361] <... futex resumed>)        = 0
[pid  1364] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1363] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1362] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1361] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1364] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1363] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1362] <... futex resumed>)        = 0
[pid  1361] <... futex resumed>)        = 0
[pid  1364] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1363] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1362] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1361] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1364] <... openat resumed>)       = 3
[pid  1363] <... write resumed>)        = 2
[pid   312] <... restart_syscall resumed>) = 0
[pid  1364] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1363] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1364] <... futex resumed>)        = 1
[pid  1363] <... futex resumed>)        = 1
[pid  1362] <... futex resumed>)        = 0
[pid  1361] <... futex resumed>)        = 0
[pid  1364] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1363] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1362] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1361] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1364] <... write resumed>)        = 2
[pid  1364] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1363] <... openat resumed>)       = 4
[pid  1362] <... futex resumed>)        = 0
[pid  1361] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1364] <... futex resumed>)        = 0
[pid  1363] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1362] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1361] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1365 attached
 <unfinished ...>
[pid  1364] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1363] <... futex resumed>)        = 0
[pid  1362] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1361] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1365] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1363] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1362] exit_group(0 <unfinished ...>
[pid  1361] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1364] <... futex resumed>)        = 0
[pid  1361] <... futex resumed>)        = 1
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1365
[pid  1365] <... set_robust_list resumed>) = 0
[pid  1364] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1363] <... futex resumed>)        = ?
[pid  1362] <... exit_group resumed>)   = ?
[pid  1361] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1366 attached
 <unfinished ...>
[pid  1365] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1364] <... openat resumed>)       = 4
[pid  1363] +++ exited with 0 +++
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1366] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1364] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1366] <... set_robust_list resumed>) = 0
[pid  1365] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1364] <... futex resumed>)        = 1
[pid  1362] +++ exited with 0 +++
[pid  1361] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1366
[pid  1366] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1365] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1361] exit_group(0 <unfinished ...>
[pid  1366] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1365] <... prctl resumed>)        = 0
[pid  1361] <... exit_group resumed>)   = ?
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1366] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1365] setpgid(0, 0 <unfinished ...>
[pid  1364] +++ exited with 0 +++
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1362, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1365] <... setpgid resumed>)      = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1366] <... prctl resumed>)        = 0
[pid  1365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1361] +++ exited with 0 +++
[pid   313] <... restart_syscall resumed>) = 0
[pid  1366] setpgid(0, 0)               = 0
[pid  1366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1365] <... openat resumed>)       = 3
[pid  1366] <... openat resumed>)       = 3
[pid  1366] write(3, "1000", 4)         = 4
[pid  1366] close(3)                    = 0
[pid  1366] write(1, "executing program\n", 18) = 18
executing program
[pid  1366] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1366] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1366] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1366] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1366] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1366] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1367 attached
 <unfinished ...>
[pid  1367] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1366] <... clone3 resumed> => {parent_tid=[1367]}, 88) = 1367
[pid  1367] <... set_robust_list resumed>) = 0
[pid  1366] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1367] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1366] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1367] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1366] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1367] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1366] <... futex resumed>)        = 0
[pid  1367] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1366] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1367] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1366] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1367] <... futex resumed>)        = 0
[pid  1366] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1367] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1366] <... futex resumed>)        = 0
[pid  1367] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1366] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1361, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1365] write(3, "1000", 4 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1365] <... write resumed>)        = 4
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1365] close(3 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1365] <... close resumed>)        = 0
[pid  1367] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1366] <... futex resumed>)        = 0
[pid  1367] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1366] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1367] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1366] <... futex resumed>)        = 0
[pid  1367] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1366] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1367] <... openat resumed>)       = 3
[pid  1367] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1366] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1368 attached
[pid  1367] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1366] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1365] write(1, "executing program\n", 18 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1368
[pid  1368] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1367] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1366] <... futex resumed>)        = 0
[pid  1365] <... write resumed>)        = 18
[pid  1368] <... set_robust_list resumed>) = 0
[pid  1367] write(3, "\x38\x00", 2 <unfinished ...>
executing program
[pid  1366] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1368] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1367] <... write resumed>)        = 2
[pid  1365] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1368] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1367] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1366] <... futex resumed>)        = 0
[pid  1367] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1366] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1368] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1367] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1366] <... futex resumed>)        = 0
[pid  1365] <... futex resumed>)        = 0
[pid  1368] <... prctl resumed>)        = 0
[pid  1367] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1366] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1368] setpgid(0, 0 <unfinished ...>
[pid  1367] <... openat resumed>)       = 4
[pid  1365] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1368] <... setpgid resumed>)      = 0
[pid  1365] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1367] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1366] <... futex resumed>)        = 0
[pid  1365] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1368] <... openat resumed>)       = 3
[pid  1367] <... futex resumed>)        = 1
[pid  1366] exit_group(0 <unfinished ...>
[pid  1365] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1368] write(3, "1000", 4 <unfinished ...>
[pid  1366] <... exit_group resumed>)   = ?
[pid  1365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1368] <... write resumed>)        = 4
[pid  1367] +++ exited with 0 +++
[pid  1366] +++ exited with 0 +++
[pid  1368] close(3 <unfinished ...>
[pid  1365] <... mmap resumed>)         = 0x7fb4de009000
[pid  1368] <... close resumed>)        = 0
[pid  1365] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1368] write(1, "executing program\n", 18 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1366, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1368] <... write resumed>)        = 18
[pid  1365] <... mprotect resumed>)     = 0
executing program
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1368] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1365] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1368] <... futex resumed>)        = 0
[pid  1365] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1368] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1365] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1368] <... rt_sigaction resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1369 attached
[pid  1368] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1365] <... clone3 resumed> => {parent_tid=[1369]}, 88) = 1369
[pid  1369] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1368] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1369] <... set_robust_list resumed>) = 0
[pid  1365] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1369] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1368] <... mmap resumed>)         = 0x7fb4de009000
[pid  1365] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1369] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1368] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1365] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1369] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1368] <... mprotect resumed>)     = 0
[pid  1365] <... futex resumed>)        = 0
[pid  1369] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1369] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1369] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1368] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1365] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1368] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1365] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1368] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1370 attached
 <unfinished ...>
[pid  1365] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1368] <... clone3 resumed> => {parent_tid=[1370]}, 88) = 1370
[pid  1365] <... futex resumed>)        = 1
[pid  1370] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1365] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1369] <... futex resumed>)        = 0
[pid  1368] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1369] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1368] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1370] <... set_robust_list resumed>) = 0
[pid  1369] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1368] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1370] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1368] <... futex resumed>)        = 0
[pid  1370] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1369] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1368] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1370] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1369] <... futex resumed>)        = 1
[pid  1365] <... futex resumed>)        = 0
[pid  1370] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1369] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1365] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1370] <... futex resumed>)        = 1
[pid  1368] <... futex resumed>)        = 0
[pid  1365] <... futex resumed>)        = 0
[pid  1370] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1369] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1368] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1370] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1369] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1368] <... futex resumed>)        = 0
[pid  1365] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1370] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1369] <... openat resumed>)       = 3
[pid  1368] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  1370] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1369] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1370] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1369] <... futex resumed>)        = 1
[pid  1365] <... futex resumed>)        = 0
[pid  1369] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1370] <... futex resumed>)        = 1
[pid  1368] <... futex resumed>)        = 0
[pid  1365] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1371 attached
 <unfinished ...>
[pid  1370] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1369] <... futex resumed>)        = 0
[pid  1368] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1365] <... futex resumed>)        = 1
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1371] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1370] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1369] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1368] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1370] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1365] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1368] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1369] <... write resumed>)        = 2
[pid  1369] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1371
[pid  1369] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1369] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1371] <... set_robust_list resumed>) = 0
[pid  1365] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1370] <... openat resumed>)       = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 1372 attached
[pid  1371] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1370] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1372] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1371] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1372] <... set_robust_list resumed>) = 0
[pid  1371] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1370] <... futex resumed>)        = 1
[pid  1368] <... futex resumed>)        = 0
[pid  1365] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1372
[pid  1372] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1371] <... prctl resumed>)        = 0
[pid  1370] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1369] <... futex resumed>)        = 0
[pid  1368] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1365] <... futex resumed>)        = 1
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1370] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1368] <... futex resumed>)        = 0
[pid  1365] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1370] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1368] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1370] <... write resumed>)        = 2
[pid  1372] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1371] setpgid(0, 0 <unfinished ...>
[pid  1370] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1369] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1372] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1371] <... setpgid resumed>)      = 0
[pid  1370] <... futex resumed>)        = 1
[pid  1369] <... openat resumed>)       = 4
[pid  1368] <... futex resumed>)        = 0
[pid  1372] <... prctl resumed>)        = 0
[pid  1371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1370] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1369] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1368] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1372] setpgid(0, 0 <unfinished ...>
[pid  1371] <... openat resumed>)       = 3
[pid  1369] <... futex resumed>)        = 1
[pid  1372] <... setpgid resumed>)      = 0
[pid  1371] write(3, "1000", 4 <unfinished ...>
[pid  1370] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1369] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1368] <... futex resumed>)        = 0
[pid  1365] <... futex resumed>)        = 0
[pid  1372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1371] <... write resumed>)        = 4
[pid  1370] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1372] <... openat resumed>)       = 3
[pid  1371] close(3 <unfinished ...>
[pid  1368] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1365] exit_group(0 <unfinished ...>
[pid  1372] write(3, "1000", 4 <unfinished ...>
[pid  1371] <... close resumed>)        = 0
[pid  1370] <... openat resumed>)       = 4
[pid  1372] <... write resumed>)        = 4
[pid  1369] <... futex resumed>)        = ?
[pid  1365] <... exit_group resumed>)   = ?
[pid  1372] close(3 <unfinished ...>
[pid  1371] write(1, "executing program\n", 18 <unfinished ...>
[pid  1369] +++ exited with 0 +++
[pid  1372] <... close resumed>)        = 0
[pid  1371] <... write resumed>)        = 18
[pid  1372] write(1, "executing program\n", 18 <unfinished ...>
[pid  1371] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1372] <... write resumed>)        = 18
[pid  1371] <... futex resumed>)        = 0
[pid  1372] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1371] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1372] <... futex resumed>)        = 0
[pid  1371] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1372] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1371] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1372] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1372] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1371] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
executing program
[pid  1372] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1370] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1365] +++ exited with 0 +++
[pid  1372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1371] <... mmap resumed>)         = 0x7fb4de009000
[pid  1370] <... futex resumed>)        = 1
[pid  1368] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1365, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1372] <... mmap resumed>)         = 0x7fb4de009000
[pid  1371] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1372] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1371] <... mprotect resumed>)     = 0
[pid  1370] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1368] exit_group(0 <unfinished ...>
[pid  1372] <... mprotect resumed>)     = 0
[pid  1370] <... futex resumed>)        = ?
[pid  1368] <... exit_group resumed>)   = ?
[pid  1372] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1371] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1370] +++ exited with 0 +++
[pid  1372] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1371] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1372] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1371] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1373 attached
 <unfinished ...>
[pid  1368] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 1374 attached
[pid  1374] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1373] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1368, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1374] <... set_robust_list resumed>) = 0
[pid  1373] <... set_robust_list resumed>) = 0
[pid  1372] <... clone3 resumed> => {parent_tid=[1373]}, 88) = 1373
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1373] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1372] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1371] <... clone3 resumed> => {parent_tid=[1374]}, 88) = 1374
[pid  1374] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1373] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1372] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1371] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1374] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1373] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1372] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1371] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1374] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1373] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1372] <... futex resumed>)        = 0
[pid  1371] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1374] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1373] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1372] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1371] <... futex resumed>)        = 0
[pid  1374] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1373] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1371] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1373] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1374] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1373] <... futex resumed>)        = 1
[pid  1372] <... futex resumed>)        = 0
[pid  1374] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1373] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1372] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1371] <... futex resumed>)        = 0
[pid  1373] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1372] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1374] <... futex resumed>)        = 1
[pid  1373] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1372] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1371] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1374] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1373] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1371] <... futex resumed>)        = 0
[pid  1373] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1371] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1374] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1373] <... futex resumed>)        = 1
[pid  1372] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1375 attached
[pid  1373] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1372] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1373] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1372] <... futex resumed>)        = 0
[pid  1373] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1372] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1373] <... openat resumed>)       = 3
[pid  1373] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1375] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1374] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1373] <... futex resumed>)        = 1
[pid  1372] <... futex resumed>)        = 0
[pid  1375] <... set_robust_list resumed>) = 0
[pid  1374] <... futex resumed>)        = 1
[pid  1373] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1372] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1371] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1375
[pid  1375] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1373] <... write resumed>)        = 2
[pid  1372] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1375] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1374] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1373] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1372] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1371] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1375] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1374] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1373] <... futex resumed>)        = 0
[pid  1372] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1375] <... prctl resumed>)        = 0
[pid  1374] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1373] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1372] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1371] <... futex resumed>)        = 0
[pid  1375] setpgid(0, 0 <unfinished ...>
[pid  1374] <... openat resumed>)       = 3
[pid  1373] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1372] <... futex resumed>)        = 0
[pid  1371] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1375] <... setpgid resumed>)      = 0
[pid  1374] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1373] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1372] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1374] <... futex resumed>)        = 0
[pid  1373] <... openat resumed>)       = 4
[pid  1371] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1374] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1373] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1372] <... futex resumed>)        = 0
[pid  1371] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1375] <... openat resumed>)       = 3
[pid  1373] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1372] exit_group(0 <unfinished ...>
[pid  1374] <... futex resumed>)        = 0
[pid  1375] write(3, "1000", 4 <unfinished ...>
[pid  1371] <... futex resumed>)        = 1
[pid  1374] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1375] <... write resumed>)        = 4
[pid  1371] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1374] <... write resumed>)        = 2
[pid  1375] close(3 <unfinished ...>
[pid  1373] <... futex resumed>)        = ?
[pid  1372] <... exit_group resumed>)   = ?
[pid  1375] <... close resumed>)        = 0
[pid  1374] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1373] +++ exited with 0 +++
[pid  1372] +++ exited with 0 +++
[pid  1375] write(1, "executing program\n", 18 <unfinished ...>
[pid  1374] <... futex resumed>)        = 1
[pid  1371] <... futex resumed>)        = 0
[pid  1375] <... write resumed>)        = 18
[pid  1374] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1371] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1372, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1374] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1371] <... futex resumed>)        = 0
[pid  1375] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1374] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1371] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1375] <... futex resumed>)        = 0
[pid  1374] <... openat resumed>)       = 4
[pid  1374] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1375] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1374] <... futex resumed>)        = 1
[pid  1371] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1371] exit_group(0 <unfinished ...>
[pid  1375] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1374] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1375] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1371] <... exit_group resumed>)   = ?
[pid   313] <... restart_syscall resumed>) = 0
[pid  1375] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1374] +++ exited with 0 +++
[pid  1371] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 1376 attached
[pid  1375] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1371, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1376] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1375] <... mprotect resumed>)     = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1376] <... set_robust_list resumed>) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1376
[pid  1375] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1376] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1376] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1375] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1377 attached
[pid  1376] setpgid(0, 0 <unfinished ...>
[pid  1375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1377] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1376] <... setpgid resumed>)      = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1377
[pid  1377] <... set_robust_list resumed>) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-12-rust/strace-static-x86_64: Process 1378 attached
 <unfinished ...>
[pid  1377] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1378] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1377] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1375] <... clone3 resumed> => {parent_tid=[1378]}, 88) = 1378
[pid  1378] <... set_robust_list resumed>) = 0
[pid  1376] <... openat resumed>)       = 3
[pid  1375] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1378] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1377] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1376] write(3, "1000", 4 <unfinished ...>
[pid  1375] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1378] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1377] <... prctl resumed>)        = 0
[pid  1376] <... write resumed>)        = 4
[pid  1375] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1378] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1377] setpgid(0, 0 <unfinished ...>
[pid  1376] close(3 <unfinished ...>
[pid  1375] <... futex resumed>)        = 0
[pid  1378] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1377] <... setpgid resumed>)      = 0
[pid  1376] <... close resumed>)        = 0
[pid  1378] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1375] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1376] write(1, "executing program\n", 18 <unfinished ...>
[pid  1375] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1378] <... futex resumed>)        = 0
executing program
[pid  1377] <... openat resumed>)       = 3
[pid  1376] <... write resumed>)        = 18
[pid  1375] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1375] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1378] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1376] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1377] write(3, "1000", 4 <unfinished ...>
[pid  1376] <... futex resumed>)        = 0
[pid  1377] <... write resumed>)        = 4
[pid  1376] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1377] close(3 <unfinished ...>
[pid  1376] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1377] <... close resumed>)        = 0
[pid  1376] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1377] write(1, "executing program\n", 18 <unfinished ...>
[pid  1376] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1378] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1377] <... write resumed>)        = 18
[pid  1376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1378] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1375] <... futex resumed>)        = 0
[pid  1376] <... mmap resumed>)         = 0x7fb4de009000
[pid  1378] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1377] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1375] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1378] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1375] <... futex resumed>)        = 0
[pid  1378] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
executing program
[pid  1375] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1378] <... openat resumed>)       = 3
[pid  1377] <... futex resumed>)        = 0
[pid  1376] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1378] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1377] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1378] <... futex resumed>)        = 1
[pid  1375] <... futex resumed>)        = 0
[pid  1378] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1377] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1376] <... mprotect resumed>)     = 0
[pid  1375] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1378] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1377] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1375] <... futex resumed>)        = 0
[pid  1378] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1376] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1375] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1378] <... write resumed>)        = 2
[pid  1377] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1378] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1375] <... futex resumed>)        = 0
[pid  1378] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1377] <... mmap resumed>)         = 0x7fb4de009000
[pid  1376] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1375] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1378] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1375] <... futex resumed>)        = 0
[pid  1378] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1375] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1378] <... openat resumed>)       = 4
[pid  1378] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1375] <... futex resumed>)        = 0
[pid  1375] exit_group(0 <unfinished ...>
[pid  1377] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1378] <... futex resumed>)        = ?
[pid  1378] +++ exited with 0 +++
[pid  1375] <... exit_group resumed>)   = ?
[pid  1377] <... mprotect resumed>)     = 0
[pid  1375] +++ exited with 0 +++
[pid   315] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1379 attached
[pid  1377] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1376] <... clone3 resumed> => {parent_tid=[1379]}, 88) = 1379
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1375, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1379] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1377] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1376] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1379] <... set_robust_list resumed>) = 0
[pid  1377] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1376] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1379] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1379] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1380 attached
[pid  1379] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1376] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1380] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1379] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 1381 attached
[pid  1380] <... set_robust_list resumed>) = 0
[pid  1379] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1377] <... clone3 resumed> => {parent_tid=[1380]}, 88) = 1380
[pid  1376] <... futex resumed>)        = 0
[pid  1380] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1376] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1381] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1377] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1381] <... set_robust_list resumed>) = 0
[pid  1377] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1379] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1381] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1380] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1379] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1377] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1380] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1379] <... futex resumed>)        = 1
[pid  1381] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1380] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1379] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1377] <... futex resumed>)        = 0
[pid  1376] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1381
[pid  1380] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1377] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1376] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1380] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1381] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1380] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1379] <... futex resumed>)        = 0
[pid  1377] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1376] <... futex resumed>)        = 1
[pid  1381] <... prctl resumed>)        = 0
[pid  1379] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1377] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1376] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1381] setpgid(0, 0 <unfinished ...>
[pid  1380] <... futex resumed>)        = 0
[pid  1379] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1377] <... futex resumed>)        = 1
[pid  1380] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1379] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1381] <... setpgid resumed>)      = 0
[pid  1380] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1379] <... futex resumed>)        = 1
[pid  1377] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1379] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1376] <... futex resumed>)        = 0
[pid  1381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1376] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1380] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1379] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1376] <... futex resumed>)        = 0
[pid  1380] <... futex resumed>)        = 1
[pid  1379] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1380] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1379] <... openat resumed>)       = 3
[pid  1377] <... futex resumed>)        = 0
[pid  1376] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1379] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1379] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1381] <... openat resumed>)       = 3
[pid  1377] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1376] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1381] write(3, "1000", 4 <unfinished ...>
[pid  1380] <... futex resumed>)        = 0
[pid  1377] <... futex resumed>)        = 1
[pid  1376] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1381] <... write resumed>)        = 4
[pid  1380] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1377] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1379] <... futex resumed>)        = 0
[pid  1376] <... futex resumed>)        = 1
[pid  1381] close(3 <unfinished ...>
[pid  1380] <... openat resumed>)       = 3
[pid  1379] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1376] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1381] <... close resumed>)        = 0
[pid  1380] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1379] <... write resumed>)        = 2
[pid  1381] write(1, "executing program\n", 18 <unfinished ...>
[pid  1380] <... futex resumed>)        = 1
[pid  1379] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1381] <... write resumed>)        = 18
[pid  1377] <... futex resumed>)        = 0
executing program
[pid  1381] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1380] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1379] <... futex resumed>)        = 1
[pid  1377] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1376] <... futex resumed>)        = 0
[pid  1381] <... futex resumed>)        = 0
[pid  1380] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1379] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1377] <... futex resumed>)        = 0
[pid  1376] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1381] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1380] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1379] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1377] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1381] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1380] <... write resumed>)        = 2
[pid  1379] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1381] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1380] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1379] <... openat resumed>)       = 4
[pid  1376] <... futex resumed>)        = 0
[pid  1381] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1380] <... futex resumed>)        = 0
[pid  1377] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1376] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1377] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1380] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1379] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1377] <... futex resumed>)        = 0
[pid  1381] <... mmap resumed>)         = 0x7fb4de009000
[pid  1380] <... openat resumed>)       = 4
[pid  1379] <... futex resumed>)        = 1
[pid  1377] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1376] <... futex resumed>)        = 0
[pid  1381] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1380] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1379] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1377] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1381] <... mprotect resumed>)     = 0
[pid  1380] <... futex resumed>)        = 0
[pid  1376] exit_group(0 <unfinished ...>
[pid  1381] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1380] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1377] exit_group(0 <unfinished ...>
[pid  1381] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1381] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1382 attached
 <unfinished ...>
[pid  1380] <... futex resumed>)        = ?
[pid  1379] <... futex resumed>)        = ?
[pid  1377] <... exit_group resumed>)   = ?
[pid  1376] <... exit_group resumed>)   = ?
[pid  1380] +++ exited with 0 +++
[pid  1381] <... clone3 resumed> => {parent_tid=[1382]}, 88) = 1382
[pid  1379] +++ exited with 0 +++
[pid  1381] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1381] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1381] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1382] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  1377] +++ exited with 0 +++
[pid  1382] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1382] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1377, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1382] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1382] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1382] <... futex resumed>)        = 1
[pid  1376] +++ exited with 0 +++
[pid  1382] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1381] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1376, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1381] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1382] <... futex resumed>)        = 0
[pid  1381] <... futex resumed>)        = 1
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1382] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1381] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1382] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1382] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1381] <... futex resumed>)        = 0
[pid  1381] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1383 attached
) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1383
[pid  1383] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1381] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1383] <... set_robust_list resumed>) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1383] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1382] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1383] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1382] <... openat resumed>)       = 3
[pid  1382] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1383] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1382] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1381] <... futex resumed>)        = 0
[pid  1381] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1382] <... futex resumed>)        = 0
[pid  1382] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1381] <... futex resumed>)        = 1
[pid  1382] <... write resumed>)        = 2
[pid  1381] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1382] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1381] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1382] <... futex resumed>)        = 0
[pid  1382] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1381] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1382] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1381] <... futex resumed>)        = 0
[pid  1382] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1381] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1383] <... prctl resumed>)        = 0
[pid  1382] <... openat resumed>)       = 4
[pid  1383] setpgid(0, 0)               = 0
[pid  1382] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1381] <... futex resumed>)        = 0
[pid  1383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1382] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1381] exit_group(0 <unfinished ...>
[pid  1382] <... futex resumed>)        = ?
[pid  1381] <... exit_group resumed>)   = ?
[pid  1383] <... openat resumed>)       = 3
[pid  1382] +++ exited with 0 +++
[pid  1381] +++ exited with 0 +++
[pid  1383] write(3, "1000", 4)         = 4
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1381, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1383] close(3)                    = 0
[pid  1383] write(1, "executing program\n", 18 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1383] <... write resumed>)        = 18
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1383] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1383] <... futex resumed>)        = 0
executing program
[pid  1383] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1384 attached
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1384
[pid  1384] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1383] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1384] <... set_robust_list resumed>) = 0
[pid  1383] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1384] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1384] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1383] <... mmap resumed>)         = 0x7fb4de009000
[pid  1383] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1383] <... mprotect resumed>)     = 0
[pid  1384] setpgid(0, 0 <unfinished ...>
[pid  1383] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1384] <... setpgid resumed>)      = 0
[pid  1383] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1383] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1384] <... openat resumed>)       = 3
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1385 attached
 <unfinished ...>
[pid  1384] write(3, "1000", 4 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1385] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1384] <... write resumed>)        = 4
[pid  1383] <... clone3 resumed> => {parent_tid=[1385]}, 88) = 1385
[pid  1385] <... set_robust_list resumed>) = 0
[pid  1384] close(3 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1383] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1385] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1384] <... close resumed>)        = 0
[pid  1385] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1384] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  1383] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1385] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1384] <... write resumed>)        = 18
[pid  1383] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1385] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1384] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1386 attached
 <unfinished ...>
[pid  1385] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1384] <... futex resumed>)        = 0
[pid  1383] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1386] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1385] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1384] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1383] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1386] <... set_robust_list resumed>) = 0
[pid  1385] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1384] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1383] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1386] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1385] <... futex resumed>)        = 0
[pid  1384] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1383] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1386
[pid   314] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1387 attached
 <unfinished ...>
[pid  1386] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1385] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1384] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1383] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1387] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1385] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1387] <... set_robust_list resumed>) = 0
[pid  1386] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1383] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1385] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1387
[pid  1386] <... prctl resumed>)        = 0
[pid  1387] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1386] setpgid(0, 0 <unfinished ...>
[pid  1385] <... futex resumed>)        = 0
[pid  1384] <... mmap resumed>)         = 0x7fb4de009000
[pid  1383] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1387] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1386] <... setpgid resumed>)      = 0
[pid  1385] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1384] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1383] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1385] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1383] <... futex resumed>)        = 0
[pid  1385] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1383] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1387] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1385] <... openat resumed>)       = 3
[pid  1384] <... mprotect resumed>)     = 0
[pid  1387] <... prctl resumed>)        = 0
[pid  1386] <... openat resumed>)       = 3
[pid  1385] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1384] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1387] setpgid(0, 0 <unfinished ...>
[pid  1386] write(3, "1000", 4 <unfinished ...>
[pid  1385] <... futex resumed>)        = 1
[pid  1384] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1383] <... futex resumed>)        = 0
[pid  1387] <... setpgid resumed>)      = 0
[pid  1386] <... write resumed>)        = 4
[pid  1385] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1384] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1383] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1386] close(3 <unfinished ...>
[pid  1385] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1383] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1388 attached
[pid  1387] <... openat resumed>)       = 3
[pid  1386] <... close resumed>)        = 0
[pid  1385] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1383] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1388] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1387] write(3, "1000", 4 <unfinished ...>
[pid  1386] write(1, "executing program\n", 18 <unfinished ...>
[pid  1385] <... write resumed>)        = 2
[pid  1384] <... clone3 resumed> => {parent_tid=[1388]}, 88) = 1388
[pid  1388] <... set_robust_list resumed>) = 0
[pid  1385] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1387] <... write resumed>)        = 4
[pid  1388] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1386] <... write resumed>)        = 18
[pid  1387] close(3 <unfinished ...>
[pid  1385] <... futex resumed>)        = 1
[pid  1383] <... futex resumed>)        = 0
[pid  1388] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1387] <... close resumed>)        = 0
[pid  1385] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1383] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1388] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1387] write(1, "executing program\n", 18 <unfinished ...>
[pid  1385] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1385] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1386] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1384] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1385] <... openat resumed>)       = 4
[pid  1387] <... write resumed>)        = 18
[pid  1386] <... futex resumed>)        = 0
executing program
executing program
[pid  1384] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1383] <... futex resumed>)        = 0
[pid  1388] <... futex resumed>)        = 0
[pid  1384] <... futex resumed>)        = 1
[pid  1388] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1384] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1388] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1387] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1386] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1385] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1383] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1388] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1387] <... futex resumed>)        = 0
[pid  1386] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1385] <... futex resumed>)        = 0
[pid  1383] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1388] <... futex resumed>)        = 1
[pid  1387] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1386] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1385] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1384] <... futex resumed>)        = 0
[pid  1388] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1384] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1383] exit_group(0 <unfinished ...>
[pid  1388] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1387] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1386] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1384] <... futex resumed>)        = 0
[pid  1388] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1387] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1385] <... futex resumed>)        = ?
[pid  1384] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1383] <... exit_group resumed>)   = ?
[pid  1388] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1387] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1386] <... mmap resumed>)         = 0x7fb4de009000
[pid  1388] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1385] +++ exited with 0 +++
[pid  1388] <... futex resumed>)        = 1
[pid  1384] <... futex resumed>)        = 0
[pid  1388] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1384] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1388] <... openat resumed>)       = 3
[pid  1384] <... futex resumed>)        = 0
[pid  1384] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1388] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1384] <... futex resumed>)        = 0
[pid  1388] <... futex resumed>)        = 1
[pid  1384] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1388] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1384] <... futex resumed>)        = 0
[pid  1388] <... write resumed>)        = 2
[pid  1384] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1383] +++ exited with 0 +++
[pid  1388] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1386] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1388] <... futex resumed>)        = 1
[pid  1384] <... futex resumed>)        = 0
[pid  1388] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1386] <... mprotect resumed>)     = 0
[pid  1384] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1383, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1388] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1387] <... mmap resumed>)         = 0x7fb4de009000
[pid  1384] <... futex resumed>)        = 0
[pid  1388] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1384] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1388] <... openat resumed>)       = 4
[pid  1388] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1386] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1387] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1386] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1388] <... futex resumed>)        = 1
[pid  1384] <... futex resumed>)        = 0
[pid  1388] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1387] <... mprotect resumed>)     = 0
[pid  1386] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1384] exit_group(0 <unfinished ...>
[pid  1388] <... futex resumed>)        = ?
[pid  1387] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1384] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 1389 attached
[pid  1388] +++ exited with 0 +++
[pid  1387] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1384] +++ exited with 0 +++
[pid  1387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1386] <... clone3 resumed> => {parent_tid=[1389]}, 88) = 1389
ci2-android-6-12-rust/strace-static-x86_64: Process 1390 attached
[pid  1389] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1386] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1384, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  1389] <... set_robust_list resumed>) = 0
[pid  1387] <... clone3 resumed> => {parent_tid=[1390]}, 88) = 1390
[pid  1386] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1390] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1389] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1387] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1386] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1390] <... set_robust_list resumed>) = 0
[pid  1389] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1390] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1389] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1390] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1389] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1387] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1386] <... futex resumed>)        = 0
[pid  1390] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1389] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1387] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1390] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1387] <... futex resumed>)        = 0
[pid  1386] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1387] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1386] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1390] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1389] <... futex resumed>)        = 0
[pid  1386] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1390] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1389] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1386] <... futex resumed>)        = 0
[pid  1390] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1389] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1386] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1390] <... futex resumed>)        = 1
[pid  1389] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1387] <... futex resumed>)        = 0
[pid  1386] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1390] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1389] <... futex resumed>)        = 0
[pid  1387] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1386] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1390] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1390] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1387] <... futex resumed>)        = 0
[pid  1386] <... futex resumed>)        = 0
[pid  1390] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1389] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1387] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1386] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1390] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1390] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1387] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1389] <... openat resumed>)       = 3
[pid  1387] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1390] <... futex resumed>)        = 0
[pid  1389] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1387] <... futex resumed>)        = 1
[pid  1390] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1389] <... futex resumed>)        = 1
[pid  1390] <... openat resumed>)       = 3
[pid  1386] <... futex resumed>)        = 0
[pid  1386] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1387] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1386] <... futex resumed>)        = 0
[pid  1390] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1389] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1390] <... futex resumed>)        = 1
[pid  1389] <... write resumed>)        = 2
[pid  1387] <... futex resumed>)        = 0
[pid  1386] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1390] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1389] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1387] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1386] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1390] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1389] <... futex resumed>)        = 0
[pid  1390] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1389] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1390] <... write resumed>)        = 2
[pid  1390] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1390] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
[pid  1390] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1387] <... futex resumed>)        = 1
[pid  1387] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  1387] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1390] <... futex resumed>)        = 0
[pid  1390] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1387] <... futex resumed>)        = 1
[pid  1390] <... openat resumed>)       = 4
[pid  1387] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1386] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1390] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1389] <... futex resumed>)        = 0
[pid  1386] <... futex resumed>)        = 1
[pid  1390] <... futex resumed>)        = 1
[pid  1389] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1387] <... futex resumed>)        = 0
[pid  1386] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1390] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1389] <... openat resumed>)       = 4
[pid  1387] exit_group(0 <unfinished ...>
[pid  1389] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1390] <... futex resumed>)        = ?
[pid  1389] <... futex resumed>)        = 0
[pid  1387] <... exit_group resumed>)   = ?
[pid  1390] +++ exited with 0 +++
[pid  1389] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1387] +++ exited with 0 +++
[pid  1386] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] <... restart_syscall resumed>) = 0
[pid  1386] exit_group(0 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1387, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1386] <... exit_group resumed>)   = ?
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1389] <... futex resumed>)        = ?
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1391 attached
 <unfinished ...>
[pid  1389] +++ exited with 0 +++
[pid  1386] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1386, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1391
[pid  1391] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1391] <... set_robust_list resumed>) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1391] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1391] setpgid(0, 0)               = 0
[pid  1391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1391] write(3, "1000", 4)         = 4
[pid  1391] close(3)                    = 0
[pid  1391] write(1, "executing program\n", 18) = 18
[pid  1391] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1391] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1391] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
executing program
[pid  1391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1391] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1391] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1392 attached
 => {parent_tid=[1392]}, 88) = 1392
[pid  1392] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1391] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1391] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1391] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1392] <... set_robust_list resumed>) = 0
[pid  1392] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1392] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1392] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1392] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1391] <... futex resumed>)        = 0
[pid  1392] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1391] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1392] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1391] <... futex resumed>)        = 0
[pid  1391] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1392] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1392] <... futex resumed>)        = 1
[pid  1391] <... futex resumed>)        = 0
[pid  1392] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1391] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1392] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1391] <... futex resumed>)        = 0
[pid  1392] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1391] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1392] <... openat resumed>)       = 3
[pid  1392] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1391] <... futex resumed>)        = 0
[pid  1392] <... futex resumed>)        = 1
[pid  1391] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1392] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1391] <... futex resumed>)        = 0
[pid  1392] <... write resumed>)        = 2
[pid  1391] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1393 attached
 <unfinished ...>
[pid  1392] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1391] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1392] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1391] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1392] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1391] <... futex resumed>)        = 0
[pid  1392] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1391] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1392] <... openat resumed>)       = 4
[pid  1393] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1392] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1393
[pid  1393] <... set_robust_list resumed>) = 0
[pid  1392] <... futex resumed>)        = 1
[pid  1391] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1393] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1392] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1391] exit_group(0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1393] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1392] <... futex resumed>)        = ?
[pid  1391] <... exit_group resumed>)   = ?
[pid  1393] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1392] +++ exited with 0 +++
[pid  1391] +++ exited with 0 +++
[pid  1393] <... prctl resumed>)        = 0
[pid  1393] setpgid(0, 0)               = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1391, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1393] write(3, "1000", 4)         = 4
[pid  1393] close(3)                    = 0
[pid  1393] write(1, "executing program\n", 18) = 18
[pid  1393] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
executing program
[pid  1393] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1393] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1393] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1393] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1393] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1393] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1394 attached
[pid  1393] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1394] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1394] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1393] <... clone3 resumed> => {parent_tid=[1395]}, 88) = 1395
[pid  1393] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1394] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1393] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1394] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1393] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1394] <... prctl resumed>)        = 0
[pid  1393] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1394] setpgid(0, 0)               = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1395 attached
[pid  1394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1394
[pid  1395] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1395] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1395] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1394] <... openat resumed>)       = 3
[pid  1395] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1394] write(3, "1000", 4 <unfinished ...>
executing program
[pid  1395] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1394] <... write resumed>)        = 4
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1395] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1394] close(3)                    = 0
[pid  1394] write(1, "executing program\n", 18) = 18
[pid  1394] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1394] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1394] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 1396 attached
) = 0x7fb4de009000
[pid  1395] <... futex resumed>)        = 1
[pid  1395] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1394] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1393] <... futex resumed>)        = 0
[pid  1394] <... mprotect resumed>)     = 0
[pid  1393] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1394] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1393] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1396] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1395] <... futex resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1396] <... set_robust_list resumed>) = 0
[pid  1395] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1396
[pid  1394] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1395] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1394] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1396] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1395] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1394] <... clone3 resumed> => {parent_tid=[1397]}, 88) = 1397
[pid  1394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1394] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1394] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1397 attached
 <unfinished ...>
[pid  1397] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  1397] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1397] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1396] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1395] <... futex resumed>)        = 1
[pid  1393] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1397] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1393] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1397] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1396] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1395] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1393] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1397] <... futex resumed>)        = 1
[pid  1396] <... prctl resumed>)        = 0
[pid  1395] <... openat resumed>)       = 3
[pid  1394] <... futex resumed>)        = 0
[pid  1393] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1397] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1394] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1397] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1394] <... futex resumed>)        = 0
[pid  1397] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1394] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1398 attached
 <unfinished ...>
[pid  1397] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1396] setpgid(0, 0 <unfinished ...>
[pid  1395] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1396] <... setpgid resumed>)      = 0
[pid  1395] <... futex resumed>)        = 1
[pid  1397] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1393] <... futex resumed>)        = 0
[pid  1397] <... futex resumed>)        = 1
[pid  1396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1395] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1394] <... futex resumed>)        = 0
[pid  1393] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1398
[pid  1398] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1397] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1396] <... openat resumed>)       = 3
[pid  1395] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1394] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1393] <... futex resumed>)        = 0
[pid  1398] <... set_robust_list resumed>) = 0
[pid  1397] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1395] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1394] <... futex resumed>)        = 0
[pid  1393] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1398] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1397] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1396] write(3, "1000", 4 <unfinished ...>
[pid  1395] <... write resumed>)        = 2
[pid  1394] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1398] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1397] <... openat resumed>)       = 3
[pid  1396] <... write resumed>)        = 4
[pid  1395] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1397] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1395] <... futex resumed>)        = 1
[pid  1393] <... futex resumed>)        = 0
[pid  1398] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1397] <... futex resumed>)        = 1
[pid  1396] close(3 <unfinished ...>
[pid  1395] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1394] <... futex resumed>)        = 0
[pid  1393] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1397] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1395] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1394] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1393] <... futex resumed>)        = 0
[pid  1397] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1395] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1394] <... futex resumed>)        = 0
[pid  1393] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1398] <... prctl resumed>)        = 0
[pid  1397] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1396] <... close resumed>)        = 0
[pid  1395] <... openat resumed>)       = 4
[pid  1394] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1398] setpgid(0, 0 <unfinished ...>
[pid  1397] <... write resumed>)        = 2
[pid  1396] write(1, "executing program\n", 18 <unfinished ...>
[pid  1395] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1398] <... setpgid resumed>)      = 0
[pid  1396] <... write resumed>)        = 18
[pid  1397] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1395] <... futex resumed>)        = 1
[pid  1394] <... futex resumed>)        = 0
[pid  1393] <... futex resumed>)        = 0
executing program
[pid  1398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1397] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1396] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1395] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1394] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1396] <... futex resumed>)        = 0
[pid  1397] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1396] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1394] <... futex resumed>)        = 0
[pid  1393] exit_group(0 <unfinished ...>
[pid  1397] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1396] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1395] <... futex resumed>)        = ?
[pid  1394] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1393] <... exit_group resumed>)   = ?
[pid  1398] <... openat resumed>)       = 3
[pid  1397] <... openat resumed>)       = 4
[pid  1396] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1395] +++ exited with 0 +++
[pid  1393] +++ exited with 0 +++
[pid  1397] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1396] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1397] <... futex resumed>)        = 1
[pid  1394] <... futex resumed>)        = 0
[pid  1397] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1394] exit_group(0 <unfinished ...>
[pid  1398] write(3, "1000", 4 <unfinished ...>
[pid  1397] <... futex resumed>)        = ?
[pid  1396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1394] <... exit_group resumed>)   = ?
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1393, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1398] <... write resumed>)        = 4
[pid  1397] +++ exited with 0 +++
[pid  1396] <... mmap resumed>)         = 0x7fb4de009000
[pid  1394] +++ exited with 0 +++
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1398] close(3 <unfinished ...>
[pid  1396] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1398] <... close resumed>)        = 0
[pid  1396] <... mprotect resumed>)     = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1394, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1398] write(1, "executing program\n", 18 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1398] <... write resumed>)        = 18
executing program
[pid  1396] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1399 attached
 <unfinished ...>
[pid  1398] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1396] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1399] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1398] <... futex resumed>)        = 0
[pid  1399] <... set_robust_list resumed>) = 0
[pid  1398] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1396] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1399
[pid  1398] <... rt_sigaction resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1400 attached
[pid  1399] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1398] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1400] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1398] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1396] <... clone3 resumed> => {parent_tid=[1400]}, 88) = 1400
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1400] <... set_robust_list resumed>) = 0
[pid  1398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1396] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1400] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1398] <... mmap resumed>)         = 0x7fb4de009000
[pid  1396] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  1400] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1398] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1396] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1399] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1400] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1399] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1396] <... futex resumed>)        = 0
[pid  1400] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1399] <... prctl resumed>)        = 0
[pid  1398] <... mprotect resumed>)     = 0
[pid  1400] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1399] setpgid(0, 0 <unfinished ...>
[pid  1396] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1400] <... futex resumed>)        = 0
[pid  1399] <... setpgid resumed>)      = 0
[pid  1398] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1396] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1400] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1399] write(3, "1000", 4)         = 4
[pid  1399] close(3)                    = 0
[pid  1399] write(1, "executing program\n", 18) = 18
[pid  1399] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid  1399] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1399] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1399] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1399] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1398] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1396] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1399] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1399] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1396] <... futex resumed>)        = 1
[pid  1400] <... futex resumed>)        = 0
[pid  1398] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1401 attached
 <unfinished ...>
[pid  1399] <... clone3 resumed> => {parent_tid=[1401]}, 88) = 1401
ci2-android-6-12-rust/strace-static-x86_64: Process 1402 attached
[pid  1401] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1399] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1401] <... set_robust_list resumed>) = 0
[pid  1400] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1396] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1402
ci2-android-6-12-rust/strace-static-x86_64: Process 1403 attached
[pid  1402] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1401] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1399] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1403] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1402] <... set_robust_list resumed>) = 0
[pid  1401] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1400] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1399] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1398] <... clone3 resumed> => {parent_tid=[1403]}, 88) = 1403
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1403] <... set_robust_list resumed>) = 0
[pid  1402] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1401] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1400] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1399] <... futex resumed>)        = 0
[pid  1398] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1403] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1402] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1401] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1400] <... futex resumed>)        = 1
[pid  1399] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1396] <... futex resumed>)        = 0
[pid  1403] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1402] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1401] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1400] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1399] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1398] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1403] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1402] <... prctl resumed>)        = 0
[pid  1401] <... futex resumed>)        = 0
[pid  1400] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1399] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1396] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1403] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1402] setpgid(0, 0 <unfinished ...>
[pid  1401] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1400] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1399] <... futex resumed>)        = 0
[pid  1398] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1396] <... futex resumed>)        = 0
[pid  1403] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1402] <... setpgid resumed>)      = 0
[pid  1401] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1400] <... openat resumed>)       = 3
[pid  1399] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1403] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1401] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1400] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1398] <... futex resumed>)        = 0
[pid  1396] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1403] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1398] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1400] <... futex resumed>)        = 0
[pid  1398] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1396] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1400] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1398] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1396] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1400] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1398] <... futex resumed>)        = 0
[pid  1396] <... futex resumed>)        = 0
[pid  1400] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1398] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1396] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1403] <... futex resumed>)        = 0
[pid  1402] <... openat resumed>)       = 3
[pid  1401] <... futex resumed>)        = 1
[pid  1400] <... write resumed>)        = 2
[pid  1399] <... futex resumed>)        = 0
[pid  1403] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1402] write(3, "1000", 4 <unfinished ...>
[pid  1401] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1400] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1399] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1403] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1402] <... write resumed>)        = 4
[pid  1401] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1400] <... futex resumed>)        = 1
[pid  1399] <... futex resumed>)        = 0
[pid  1396] <... futex resumed>)        = 0
[pid  1403] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1402] close(3 <unfinished ...>
[pid  1401] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1400] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1399] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1396] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1403] <... futex resumed>)        = 1
[pid  1402] <... close resumed>)        = 0
[pid  1401] <... openat resumed>)       = 3
[pid  1400] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1398] <... futex resumed>)        = 0
[pid  1396] <... futex resumed>)        = 0
[pid  1403] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1402] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  1401] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1400] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1398] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1396] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1403] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1402] <... write resumed>)        = 18
[pid  1401] <... futex resumed>)        = 1
[pid  1399] <... futex resumed>)        = 0
[pid  1398] <... futex resumed>)        = 0
[pid  1403] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1402] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1401] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1400] <... openat resumed>)       = 4
[pid  1399] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1398] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1403] <... openat resumed>)       = 3
[pid  1402] <... futex resumed>)        = 0
[pid  1401] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1400] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1399] <... futex resumed>)        = 0
[pid  1403] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1402] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1401] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1399] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1398] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1403] <... futex resumed>)        = 0
[pid  1402] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1401] <... write resumed>)        = 2
[pid  1398] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1403] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1402] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1401] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1400] <... futex resumed>)        = 1
[pid  1398] <... futex resumed>)        = 0
[pid  1396] <... futex resumed>)        = 0
[pid  1403] <... write resumed>)        = 2
[pid  1402] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1401] <... futex resumed>)        = 1
[pid  1400] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1399] <... futex resumed>)        = 0
[pid  1398] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1403] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1401] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1399] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1398] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1396] exit_group(0 <unfinished ...>
[pid  1403] <... futex resumed>)        = 0
[pid  1402] <... mmap resumed>)         = 0x7fb4de009000
[pid  1401] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1399] <... futex resumed>)        = 0
[pid  1398] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1403] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1401] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1399] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1396] <... exit_group resumed>)   = ?
[pid  1403] <... openat resumed>)       = 4
[pid  1402] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1401] <... openat resumed>)       = 4
[pid  1400] <... futex resumed>)        = ?
[pid  1398] <... futex resumed>)        = 0
[pid  1402] <... mprotect resumed>)     = 0
[pid  1401] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1402] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1401] <... futex resumed>)        = 1
[pid  1399] <... futex resumed>)        = 0
[pid  1399] exit_group(0 <unfinished ...>
[pid  1400] +++ exited with 0 +++
[pid  1396] +++ exited with 0 +++
[pid  1398] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1403] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1402] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1399] <... exit_group resumed>)   = ?
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1396, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1403] <... futex resumed>)        = 1
[pid  1402] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1401] +++ exited with 0 +++
[pid  1399] +++ exited with 0 +++
[pid  1398] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1403] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 1404 attached
 <unfinished ...>
[pid  1398] exit_group(0 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1399, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1404] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1403] <... futex resumed>)        = ?
[pid  1402] <... clone3 resumed> => {parent_tid=[1404]}, 88) = 1404
[pid  1398] <... exit_group resumed>)   = ?
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1403] +++ exited with 0 +++
[pid  1402] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1402] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1402] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1404] <... set_robust_list resumed>) = 0
[pid  1404] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1404] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  1404] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1404] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1402] <... futex resumed>)        = 0
[pid  1402] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1404] <... futex resumed>)        = 0
[pid  1402] <... futex resumed>)        = 1
[pid  1404] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1402] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1404] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1404] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1402] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1402] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1404] <... futex resumed>)        = 1
[pid  1402] <... futex resumed>)        = 0
[pid  1404] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1402] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1404] <... openat resumed>)       = 3
[pid  1404] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1398] +++ exited with 0 +++
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1404] <... futex resumed>)        = 1
[pid  1402] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1398, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1404] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1402] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1404] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1402] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1405 attached
[pid  1404] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1405] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1404] <... write resumed>)        = 2
[pid  1402] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1405] <... set_robust_list resumed>) = 0
[pid  1404] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1402] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1405
[pid  1405] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1404] <... futex resumed>)        = 0
[pid  1402] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1405] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1405] setpgid(0, 0)               = 0
[pid  1404] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1402] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1402] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1405] <... openat resumed>)       = 3
[pid  1404] <... openat resumed>)       = 4
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1404] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1405] write(3, "1000", 4)         = 4
[pid  1405] close(3)                    = 0
[pid  1405] write(1, "executing program\n", 18) = 18
[pid  1405] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1405] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1404] <... futex resumed>)        = 1
[pid  1402] <... futex resumed>)        = 0
[pid  1404] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1406
[pid  1402] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 1406 attached
executing program
 <unfinished ...>
[pid  1405] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1404] <... futex resumed>)        = ?
[pid  1402] <... exit_group resumed>)   = ?
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1406] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1405] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1404] +++ exited with 0 +++
[pid  1406] <... set_robust_list resumed>) = 0
[pid  1405] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1406] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1406] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1405] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1406] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1405] <... mprotect resumed>)     = 0
[pid  1402] +++ exited with 0 +++
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1402, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1406] <... prctl resumed>)        = 0
[pid  1405] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1406] setpgid(0, 0 <unfinished ...>
[pid  1405] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1406] <... setpgid resumed>)      = 0
[pid  1405] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-12-rust/strace-static-x86_64: Process 1407 attached
) = 3
[pid  1405] <... clone3 resumed> => {parent_tid=[1407]}, 88) = 1407
[pid  1407] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1405] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1407] <... set_robust_list resumed>) = 0
[pid  1406] write(3, "1000", 4 <unfinished ...>
[pid  1405] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1406] <... write resumed>)        = 4
[pid  1405] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1406] close(3 <unfinished ...>
[pid  1405] <... futex resumed>)        = 0
[pid  1406] <... close resumed>)        = 0
[pid  1405] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1406] write(1, "executing program\n", 18) = 18
executing program
[pid  1406] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1406] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1406] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1406] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1406] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1406] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1406] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1407] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1408 attached
 <unfinished ...>
[pid  1408] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1407] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1408] <... set_robust_list resumed>) = 0
[pid  1406] <... clone3 resumed> => {parent_tid=[1408]}, 88) = 1408
[pid  1408] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1407] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1406] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1408] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1407] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1406] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1408] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1407] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1406] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1408] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1407] <... futex resumed>)        = 1
[pid  1406] <... futex resumed>)        = 0
[pid  1405] <... futex resumed>)        = 0
[pid  1408] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1407] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1406] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1405] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1408] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1407] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1405] <... futex resumed>)        = 0
[pid  1408] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1405] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1408] <... futex resumed>)        = 1
[pid  1407] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1406] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1408] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  1407] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1406] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1408] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1406] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1407] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1408] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1406] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1407] <... futex resumed>)        = 1
[pid  1405] <... futex resumed>)        = 0
[pid  1408] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1405] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1406] <... futex resumed>)        = 0
[pid  1408] <... futex resumed>)        = 1
[pid  1406] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1405] <... futex resumed>)        = 0
[pid  1408] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1406] <... futex resumed>)        = 0
[pid  1405] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1409 attached
 <unfinished ...>
[pid  1408] <... openat resumed>)       = 3
[pid  1407] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1406] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1407] <... openat resumed>)       = 3
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1409
[pid  1407] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1409] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1408] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1407] <... futex resumed>)        = 1
[pid  1405] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1409] <... set_robust_list resumed>) = 0
[pid  1408] <... futex resumed>)        = 1
[pid  1407] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1406] <... futex resumed>)        = 0
[pid  1405] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1409] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1408] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1407] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1406] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1409] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1408] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1407] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1406] <... futex resumed>)        = 0
[pid  1405] <... futex resumed>)        = 0
[pid  1409] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1408] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1407] <... write resumed>)        = 2
[pid  1406] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1405] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1409] <... prctl resumed>)        = 0
[pid  1408] <... write resumed>)        = 2
[pid  1407] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1405] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1409] setpgid(0, 0 <unfinished ...>
[pid  1408] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1407] <... futex resumed>)        = 0
[pid  1405] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1409] <... setpgid resumed>)      = 0
[pid  1408] <... futex resumed>)        = 1
[pid  1406] <... futex resumed>)        = 0
[pid  1409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1408] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1407] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1406] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1405] <... futex resumed>)        = 0
[pid  1409] <... openat resumed>)       = 3
[pid  1408] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1407] <... openat resumed>)       = 4
[pid  1406] <... futex resumed>)        = 0
[pid  1405] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1407] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1405] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1407] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1407] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1409] write(3, "1000", 4 <unfinished ...>
[pid  1408] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1406] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1405] exit_group(0 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1409] <... write resumed>)        = 4
[pid  1408] <... openat resumed>)       = 4
[pid  1407] <... futex resumed>)        = ?
[pid  1409] close(3)                    = 0
[pid  1409] write(1, "executing program\n", 18) = 18
[pid  1409] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
ci2-android-6-12-rust/strace-static-x86_64: Process 1410 attached
[pid  1409] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1410] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1409] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1408] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1405] <... exit_group resumed>)   = ?
[pid  1410] <... set_robust_list resumed>) = 0
[pid  1409] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1408] <... futex resumed>)        = 1
[pid  1407] +++ exited with 0 +++
[pid  1406] <... futex resumed>)        = 0
[pid  1410] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1409] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1408] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1406] exit_group(0 <unfinished ...>
[pid  1409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1408] <... futex resumed>)        = ?
[pid  1406] <... exit_group resumed>)   = ?
[pid  1410] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1409] <... mmap resumed>)         = 0x7fb4de009000
[pid  1408] +++ exited with 0 +++
[pid  1406] +++ exited with 0 +++
[pid  1405] +++ exited with 0 +++
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1410
[pid  1410] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1406, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1410] <... prctl resumed>)        = 0
[pid  1409] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1405, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1410] setpgid(0, 0 <unfinished ...>
[pid  1409] <... mprotect resumed>)     = 0
[pid  1410] <... setpgid resumed>)      = 0
[pid  1409] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1410] <... openat resumed>)       = 3
[pid  1409] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1409] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1410] write(3, "1000", 4 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1410] <... write resumed>)        = 4
[pid  1410] close(3 <unfinished ...>
[pid  1409] <... clone3 resumed> => {parent_tid=[1411]}, 88) = 1411
[pid  1410] <... close resumed>)        = 0
[pid  1409] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1410] write(1, "executing program\n", 18 <unfinished ...>
[pid  1409] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1410] <... write resumed>)        = 18
[pid  1409] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1411 attached
 <unfinished ...>
[pid  1410] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1409] <... futex resumed>)        = 0
executing program
[pid  1411] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1410] <... futex resumed>)        = 0
[pid  1409] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1410] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1410] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1410] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1412 attached
[pid  1411] <... set_robust_list resumed>) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1412
[pid  1412] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1411] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1412] <... set_robust_list resumed>) = 0
[pid  1411] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1412] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1411] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1412] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1411] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1411] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1410] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1412] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1411] <... futex resumed>)        = 1
[pid  1410] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1412] <... prctl resumed>)        = 0
[pid  1409] <... futex resumed>)        = 0
[pid  1411] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1409] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1412] setpgid(0, 0 <unfinished ...>
[pid  1411] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1409] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1413 attached
[pid  1412] <... setpgid resumed>)      = 0
[pid  1411] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1410] <... clone3 resumed> => {parent_tid=[1413]}, 88) = 1413
[pid  1410] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1409] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1410] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1410] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1411] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1410] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1411] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1412] <... openat resumed>)       = 3
[pid  1411] <... futex resumed>)        = 1
[pid  1409] <... futex resumed>)        = 0
[pid  1413] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1411] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1409] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1413] <... set_robust_list resumed>) = 0
[pid  1412] write(3, "1000", 4 <unfinished ...>
[pid  1411] <... openat resumed>)       = 3
[pid  1409] <... futex resumed>)        = 0
[pid  1413] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1412] <... write resumed>)        = 4
[pid  1411] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1409] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1413] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1412] close(3 <unfinished ...>
[pid  1411] <... futex resumed>)        = 0
[pid  1409] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1412] <... close resumed>)        = 0
[pid  1409] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1413] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1411] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1409] <... futex resumed>)        = 0
[pid  1409] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1412] write(1, "executing program\n", 18) = 18
[pid  1412] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1411] <... write resumed>)        = 2
executing program
[pid  1413] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1411] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1413] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1411] <... futex resumed>)        = 1
[pid  1413] <... futex resumed>)        = 1
[pid  1412] <... futex resumed>)        = 0
[pid  1410] <... futex resumed>)        = 0
[pid  1409] <... futex resumed>)        = 0
[pid  1413] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1412] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1411] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1410] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1409] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1413] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1412] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1410] <... futex resumed>)        = 0
[pid  1411] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1409] <... futex resumed>)        = 0
[pid  1413] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1412] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1411] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1410] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1409] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1413] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1412] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1413] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1411] <... openat resumed>)       = 4
[pid  1412] <... mmap resumed>)         = 0x7fb4de009000
[pid  1413] <... futex resumed>)        = 1
[pid  1412] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1411] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1410] <... futex resumed>)        = 0
[pid  1413] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1412] <... mprotect resumed>)     = 0
[pid  1411] <... futex resumed>)        = 1
[pid  1410] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1409] <... futex resumed>)        = 0
[pid  1413] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1412] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1411] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1410] <... futex resumed>)        = 0
[pid  1409] exit_group(0 <unfinished ...>
[pid  1413] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1412] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1410] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1411] <... futex resumed>)        = ?
[pid  1409] <... exit_group resumed>)   = ?
[pid  1413] <... openat resumed>)       = 3
[pid  1412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1413] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1411] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 1414 attached
[pid  1413] <... futex resumed>)        = 1
[pid  1410] <... futex resumed>)        = 0
[pid  1409] +++ exited with 0 +++
[pid  1410] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1412] <... clone3 resumed> => {parent_tid=[1414]}, 88) = 1414
[pid  1410] <... futex resumed>)        = 0
[pid  1412] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1410] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1412] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1412] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1412] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1409, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1414] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1413] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1414] <... set_robust_list resumed>) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1413] <... write resumed>)        = 2
[pid  1413] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1414] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1413] <... futex resumed>)        = 1
[pid  1410] <... futex resumed>)        = 0
[pid  1413] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1410] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1414] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1413] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1410] <... futex resumed>)        = 0
[pid  1414] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1413] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1410] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1414] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1413] <... openat resumed>)       = 4
[pid  1413] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1410] <... futex resumed>)        = 0
[pid  1414] <... futex resumed>)        = 1
[pid  1413] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1412] <... futex resumed>)        = 0
[pid  1410] exit_group(0 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1414] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1413] <... futex resumed>)        = ?
[pid  1412] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1410] <... exit_group resumed>)   = ?
[pid  1414] <... futex resumed>)        = 0
[pid  1413] +++ exited with 0 +++
[pid  1412] <... futex resumed>)        = 1
[pid  1410] +++ exited with 0 +++
[pid  1414] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1412] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1414] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1410, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1414] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1414] <... futex resumed>)        = 1
[pid  1412] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1414] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1412] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1412] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1415 attached
 <unfinished ...>
[pid  1414] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1415] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1414] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1415] <... set_robust_list resumed>) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1415
[pid  1415] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1414] <... openat resumed>)       = 3
[pid  1415] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1414] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1415] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1414] <... futex resumed>)        = 1
[pid  1412] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1412] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1412] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1414] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1415] <... prctl resumed>)        = 0
[pid  1415] setpgid(0, 0)               = 0
[pid  1414] <... write resumed>)        = 2
[pid  1415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 1416 attached
[pid  1415] write(3, "1000", 4)         = 4
[pid  1415] close(3)                    = 0
[pid  1415] write(1, "executing program\n", 18 <unfinished ...>
[pid  1414] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1415] <... write resumed>)        = 18
executing program
[pid  1414] <... futex resumed>)        = 1
[pid  1412] <... futex resumed>)        = 0
[pid  1416] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1415] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1414] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1412] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1416] <... set_robust_list resumed>) = 0
[pid  1415] <... futex resumed>)        = 0
[pid  1412] <... futex resumed>)        = 0
[pid  1415] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1412] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1416] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1415] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1414] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1416
[pid  1416] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1415] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1414] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1415] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1414] <... openat resumed>)       = 4
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1416] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1414] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1416] <... prctl resumed>)        = 0
[pid  1414] <... futex resumed>)        = 1
[pid  1416] setpgid(0, 0 <unfinished ...>
[pid  1414] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1416] <... setpgid resumed>)      = 0
[pid  1415] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1412] <... futex resumed>)        = 0
[pid  1416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1415] <... mprotect resumed>)     = 0
[pid  1412] exit_group(0 <unfinished ...>
[pid  1416] <... openat resumed>)       = 3
[pid  1415] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1414] <... futex resumed>)        = ?
[pid  1412] <... exit_group resumed>)   = ?
[pid  1415] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1417 attached
 <unfinished ...>
[pid  1417] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  1415] <... clone3 resumed> => {parent_tid=[1417]}, 88) = 1417
[pid  1417] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1415] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1417] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1415] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1417] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1415] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1417] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1415] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1416] write(3, "1000", 4 <unfinished ...>
[pid  1414] +++ exited with 0 +++
[pid  1412] +++ exited with 0 +++
[pid   315] <... restart_syscall resumed>) = 0
[pid  1417] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1416] <... write resumed>)        = 4
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1412, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1417] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1416] close(3 <unfinished ...>
[pid  1417] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1415] <... futex resumed>)        = 0
[pid  1417] <... futex resumed>)        = 1
[pid  1415] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1417] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1415] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1417] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1416] <... close resumed>)        = 0
[pid  1415] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 1418 attached
 <unfinished ...>
[pid  1416] write(1, "executing program\n", 18 <unfinished ...>
[pid  1417] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1416] <... write resumed>)        = 18
[pid  1418] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1416] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1418] <... set_robust_list resumed>) = 0
[pid  1417] <... futex resumed>)        = 1
[pid  1415] <... futex resumed>)        = 0
[pid  1417] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1416] <... futex resumed>)        = 0
executing program
[pid  1415] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1418
[pid  1418] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1417] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1416] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1415] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1418] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1417] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1416] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1415] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1418] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1417] <... openat resumed>)       = 3
[pid  1416] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1418] <... prctl resumed>)        = 0
[pid  1417] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1416] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1417] <... futex resumed>)        = 1
[pid  1416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1418] setpgid(0, 0 <unfinished ...>
[pid  1415] <... futex resumed>)        = 0
[pid  1417] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1415] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1418] <... setpgid resumed>)      = 0
[pid  1417] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1416] <... mmap resumed>)         = 0x7fb4de009000
[pid  1415] <... futex resumed>)        = 0
[pid  1418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1417] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1415] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1416] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1417] <... write resumed>)        = 2
[pid  1417] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1415] <... futex resumed>)        = 0
[pid  1417] <... futex resumed>)        = 1
[pid  1415] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1417] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1415] <... futex resumed>)        = 0
[pid  1417] <... openat resumed>)       = 4
[pid  1415] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1417] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1415] <... futex resumed>)        = 0
[pid  1415] exit_group(0 <unfinished ...>
[pid  1417] <... futex resumed>)        = 1
[pid  1415] <... exit_group resumed>)   = ?
[pid  1418] <... openat resumed>)       = 3
[pid  1416] <... mprotect resumed>)     = 0
[pid  1418] write(3, "1000", 4 <unfinished ...>
[pid  1417] +++ exited with 0 +++
[pid  1416] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1415] +++ exited with 0 +++
[pid  1418] <... write resumed>)        = 4
[pid  1416] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1418] close(3 <unfinished ...>
[pid  1416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1415, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1418] <... close resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1419 attached
[pid  1418] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1419] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1418] <... write resumed>)        = 18
[pid  1416] <... clone3 resumed> => {parent_tid=[1419]}, 88) = 1419
[pid   313] <... restart_syscall resumed>) = 0
[pid  1416] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1418] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1419] <... set_robust_list resumed>) = 0
[pid  1418] <... futex resumed>)        = 0
[pid  1416] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1419] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1418] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1416] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1419] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1418] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1416] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1419] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  1419] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1420 attached
) = 0
[pid  1418] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1416] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1420] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1419] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1418] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1416] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1420
[pid   312] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1421 attached
 <unfinished ...>
[pid  1420] <... set_robust_list resumed>) = 0
[pid  1418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1416] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1420] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1421] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1420] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1419] <... futex resumed>)        = 0
[pid  1418] <... mmap resumed>)         = 0x7fb4de009000
[pid  1416] <... futex resumed>)        = 1
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1421
[pid  1421] <... set_robust_list resumed>) = 0
[pid  1420] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1419] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1418] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1416] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1421] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1420] <... prctl resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1421] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1420] setpgid(0, 0 <unfinished ...>
[pid  1418] <... mprotect resumed>)     = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1421] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1420] <... setpgid resumed>)      = 0
[pid  1419] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1418] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1421] <... prctl resumed>)        = 0
[pid  1419] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1418] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1421] setpgid(0, 0 <unfinished ...>
[pid  1420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1421] <... setpgid resumed>)      = 0
[pid  1418] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1420] <... openat resumed>)       = 3
[pid  1419] <... futex resumed>)        = 1
[pid  1416] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1422 attached
[pid  1421] <... openat resumed>)       = 3
[pid  1420] write(3, "1000", 4 <unfinished ...>
[pid  1419] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1416] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1422] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1421] write(3, "1000", 4 <unfinished ...>
[pid  1420] <... write resumed>)        = 4
[pid  1419] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1418] <... clone3 resumed> => {parent_tid=[1422]}, 88) = 1422
[pid  1416] <... futex resumed>)        = 0
[pid  1422] <... set_robust_list resumed>) = 0
[pid  1421] <... write resumed>)        = 4
[pid  1420] close(3 <unfinished ...>
[pid  1419] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1422] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1421] close(3 <unfinished ...>
[pid  1420] <... close resumed>)        = 0
[pid  1418] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1416] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1422] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1421] <... close resumed>)        = 0
[pid  1420] write(1, "executing program\n", 18 <unfinished ...>
[pid  1418] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1422] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1421] write(1, "executing program\n", 18 <unfinished ...>
[pid  1420] <... write resumed>)        = 18
[pid  1418] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1422] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1421] <... write resumed>)        = 18
[pid  1420] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1418] <... futex resumed>)        = 0
[pid  1422] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1421] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1418] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1420] <... futex resumed>)        = 0
[pid  1422] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1421] <... futex resumed>)        = 0
[pid  1422] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1420] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1422] <... futex resumed>)        = 1
[pid  1421] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1418] <... futex resumed>)        = 0
[pid  1420] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1422] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1421] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1418] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1420] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1422] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1421] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1418] <... futex resumed>)        = 0
[pid  1420] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1422] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1421] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1418] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
executing program
executing program
[pid  1420] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1422] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1421] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1420] <... mmap resumed>)         = 0x7fb4de009000
[pid  1419] <... openat resumed>)       = 3
[pid  1422] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1421] <... mmap resumed>)         = 0x7fb4de009000
[pid  1420] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1419] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1422] <... futex resumed>)        = 1
[pid  1421] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1420] <... mprotect resumed>)     = 0
[pid  1419] <... futex resumed>)        = 1
[pid  1418] <... futex resumed>)        = 0
[pid  1416] <... futex resumed>)        = 0
[pid  1422] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1421] <... mprotect resumed>)     = 0
[pid  1420] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1419] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1418] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1416] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1422] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1421] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1420] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1419] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1418] <... futex resumed>)        = 0
[pid  1416] <... futex resumed>)        = 0
[pid  1422] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1421] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1420] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1419] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1418] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1416] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1423 attached
 <unfinished ...>
[pid  1422] <... openat resumed>)       = 3
[pid  1421] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1419] <... write resumed>)        = 2
[pid  1423] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1422] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1419] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1423] <... set_robust_list resumed>) = 0
[pid  1422] <... futex resumed>)        = 1
[pid  1420] <... clone3 resumed> => {parent_tid=[1423]}, 88) = 1423
[pid  1419] <... futex resumed>)        = 1
[pid  1418] <... futex resumed>)        = 0
[pid  1416] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1424 attached
[pid  1423] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1422] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1421] <... clone3 resumed> => {parent_tid=[1424]}, 88) = 1424
[pid  1420] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1419] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1418] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1416] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1424] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1423] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1422] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1421] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1420] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1419] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1418] <... futex resumed>)        = 0
[pid  1416] <... futex resumed>)        = 0
[pid  1424] <... set_robust_list resumed>) = 0
[pid  1423] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1422] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1421] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1420] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1419] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1418] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1416] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1424] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1423] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1422] <... write resumed>)        = 2
[pid  1421] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1420] <... futex resumed>)        = 0
[pid  1419] <... openat resumed>)       = 4
[pid  1424] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1423] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1422] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1421] <... futex resumed>)        = 0
[pid  1420] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1419] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1424] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1423] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1422] <... futex resumed>)        = 1
[pid  1421] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1419] <... futex resumed>)        = 1
[pid  1418] <... futex resumed>)        = 0
[pid  1416] <... futex resumed>)        = 0
[pid  1424] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1423] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1422] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1419] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1418] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1416] exit_group(0 <unfinished ...>
[pid  1424] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1423] <... futex resumed>)        = 1
[pid  1422] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1420] <... futex resumed>)        = 0
[pid  1419] <... futex resumed>)        = ?
[pid  1418] <... futex resumed>)        = 0
[pid  1416] <... exit_group resumed>)   = ?
[pid  1424] <... futex resumed>)        = 1
[pid  1423] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1422] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1421] <... futex resumed>)        = 0
[pid  1420] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1419] +++ exited with 0 +++
[pid  1418] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1416] +++ exited with 0 +++
[pid  1424] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1423] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1422] <... openat resumed>)       = 4
[pid  1421] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1420] <... futex resumed>)        = 0
[pid  1424] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1423] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1422] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1421] <... futex resumed>)        = 0
[pid  1420] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1416, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1424] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1423] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1422] <... futex resumed>)        = 1
[pid  1421] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1418] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1424] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1422] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1424] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1423] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1418] exit_group(0 <unfinished ...>
[pid  1424] <... futex resumed>)        = 1
[pid  1423] <... futex resumed>)        = 1
[pid  1421] <... futex resumed>)        = 0
[pid  1420] <... futex resumed>)        = 0
[pid  1424] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1423] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1422] <... futex resumed>)        = ?
[pid  1421] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1420] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1418] <... exit_group resumed>)   = ?
[pid  1423] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1422] +++ exited with 0 +++
[pid  1421] <... futex resumed>)        = 0
[pid  1420] <... futex resumed>)        = 0
[pid  1424] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1424] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  1424] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1418] +++ exited with 0 +++
[pid  1423] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1421] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1420] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1423] <... openat resumed>)       = 3
[pid  1421] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1423] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1421] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1423] <... futex resumed>)        = 1
[pid  1420] <... futex resumed>)        = 0
[pid  1421] <... futex resumed>)        = 0
[pid  1423] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1420] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1423] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1421] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1420] <... futex resumed>)        = 0
[pid  1423] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1420] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1423] <... write resumed>)        = 2
[pid  1424] <... futex resumed>)        = 1
[pid  1423] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1421] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1418, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1424] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1423] <... futex resumed>)        = 1
[pid  1421] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} <unfinished ...>
[pid  1420] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1424] <... write resumed>)        = 2
[pid  1423] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1420] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1424] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1423] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1421] <... futex resumed>)        = 0
[pid  1420] <... futex resumed>)        = 0
[pid  1424] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1423] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1421] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1424] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1420] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1424] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1423] <... openat resumed>)       = 4
[pid  1421] <... futex resumed>)        = 0
[pid  1424] <... openat resumed>)       = 4
[pid  1424] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1423] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1421] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1424] <... futex resumed>)        = 0
[pid  1423] <... futex resumed>)        = 1
[pid  1421] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1420] <... futex resumed>)        = 0
[pid  1424] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1423] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1421] exit_group(0 <unfinished ...>
[pid  1420] exit_group(0 <unfinished ...>
[pid  1424] <... futex resumed>)        = ?
[pid  1421] <... exit_group resumed>)   = ?
[pid  1423] <... futex resumed>)        = ?
[pid  1420] <... exit_group resumed>)   = ?
[pid  1424] +++ exited with 0 +++
[pid  1423] +++ exited with 0 +++
[pid  1421] +++ exited with 0 +++
[pid  1420] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1420, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1421, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1425 attached
[pid  1425] set_robust_list(0x55557716c6a0, 24) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1425] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1425] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1425] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1425
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1426 attached
[pid  1425] <... prctl resumed>)        = 0
[pid  1425] setpgid(0, 0 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1426
[pid  1426] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1425] <... setpgid resumed>)      = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1426] <... set_robust_list resumed>) = 0
[pid  1425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1426] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1425] <... openat resumed>)       = 3
[pid   312] <... restart_syscall resumed>) = 0
[pid  1426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1425] write(3, "1000", 4 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1426] setpgid(0, 0 <unfinished ...>
[pid  1425] <... write resumed>)        = 4
[pid  1426] <... setpgid resumed>)      = 0
[pid  1425] close(3 <unfinished ...>
[pid  1426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1426] <... openat resumed>)       = 3
[pid  1425] <... close resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1426] write(3, "1000", 4 <unfinished ...>
[pid  1425] write(1, "executing program\n", 18 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
executing program
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1427 attached
 <unfinished ...>
[pid  1426] <... write resumed>)        = 4
[pid  1425] <... write resumed>)        = 18
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1427] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1426] close(3 <unfinished ...>
[pid  1427] <... set_robust_list resumed>) = 0
[pid  1425] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1426] <... close resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1427
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1427] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1426] write(1, "executing program\n", 18 <unfinished ...>
[pid  1425] <... futex resumed>)        = 0
[pid  1427] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1426] <... write resumed>)        = 18
[pid  1425] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1428
[pid  1425] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1426] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1425] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1427] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1426] <... futex resumed>)        = 0
[pid  1425] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1427] <... prctl resumed>)        = 0
[pid  1426] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1427] setpgid(0, 0 <unfinished ...>
[pid  1426] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1425] <... mmap resumed>)         = 0x7fb4de009000
[pid  1427] <... setpgid resumed>)      = 0
[pid  1426] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1425] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1426] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
ci2-android-6-12-rust/strace-static-x86_64: Process 1428 attached
[pid  1427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1426] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1425] <... mprotect resumed>)     = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1428] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1426] <... mmap resumed>)         = 0x7fb4de009000
[pid  1425] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1428] <... set_robust_list resumed>) = 0
[pid  1427] <... openat resumed>)       = 3
[pid  1426] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1425] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1428] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1426] <... mprotect resumed>)     = 0
[pid  1428] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1427] write(3, "1000", 4 <unfinished ...>
[pid  1425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1428] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1426] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1429 attached
 <unfinished ...>
[pid  1428] <... prctl resumed>)        = 0
[pid  1427] <... write resumed>)        = 4
[pid  1429] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  1428] setpgid(0, 0 <unfinished ...>
[pid  1427] close(3 <unfinished ...>
[pid  1426] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1425] <... clone3 resumed> => {parent_tid=[1429]}, 88) = 1429
[pid  1429] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1428] <... setpgid resumed>)      = 0
[pid  1427] <... close resumed>)        = 0
[pid  1426] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1425] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
executing program
executing program
[pid  1427] write(1, "executing program\n", 18ci2-android-6-12-rust/strace-static-x86_64: Process 1430 attached
 <unfinished ...>
[pid  1429] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1427] <... write resumed>)        = 18
[pid  1425] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1430] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1429] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1428] <... openat resumed>)       = 3
[pid  1430] <... set_robust_list resumed>) = 0
[pid  1427] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1426] <... clone3 resumed> => {parent_tid=[1430]}, 88) = 1430
[pid  1428] write(3, "1000", 4 <unfinished ...>
[pid  1425] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1430] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1428] <... write resumed>)        = 4
[pid  1427] <... futex resumed>)        = 0
[pid  1426] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1430] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1428] close(3 <unfinished ...>
[pid  1427] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1426] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1425] <... futex resumed>)        = 1
[pid  1430] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1428] <... close resumed>)        = 0
[pid  1427] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1426] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1430] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1428] write(1, "executing program\n", 18 <unfinished ...>
[pid  1427] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1426] <... futex resumed>)        = 0
[pid  1425] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1430] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1428] <... write resumed>)        = 18
[pid  1427] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1426] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1428] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1430] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1427] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1428] <... futex resumed>)        = 0
[pid  1430] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1429] <... futex resumed>)        = 0
[pid  1428] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1427] <... mmap resumed>)         = 0x7fb4de009000
[pid  1426] <... futex resumed>)        = 0
[pid  1430] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1429] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1428] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1427] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1426] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1430] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1429] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1428] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1430] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1429] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1427] <... mprotect resumed>)     = 0
[pid  1426] <... futex resumed>)        = 0
[pid  1430] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1429] <... futex resumed>)        = 1
[pid  1428] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1426] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1425] <... futex resumed>)        = 0
[pid  1430] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1429] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1427] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1426] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1430] <... futex resumed>)        = 0
[pid  1425] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1428] <... mmap resumed>)         = 0x7fb4de009000
[pid  1430] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1429] <... futex resumed>)        = 0
[pid  1427] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1426] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1425] <... futex resumed>)        = 1
[pid  1430] <... openat resumed>)       = 3
[pid  1429] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1428] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1427] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1426] <... futex resumed>)        = 0
[pid  1425] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1430] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1429] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1428] <... mprotect resumed>)     = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1431 attached
[pid  1430] <... futex resumed>)        = 0
[pid  1429] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1428] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1426] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1431] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1430] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1429] <... futex resumed>)        = 1
[pid  1428] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1427] <... clone3 resumed> => {parent_tid=[1431]}, 88) = 1431
[pid  1426] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1425] <... futex resumed>)        = 0
[pid  1431] <... set_robust_list resumed>) = 0
[pid  1429] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1428] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1427] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1426] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1431] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1425] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1432 attached
 <unfinished ...>
[pid  1431] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1430] <... futex resumed>)        = 0
[pid  1429] <... futex resumed>)        = 0
[pid  1427] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1426] <... futex resumed>)        = 1
[pid  1425] <... futex resumed>)        = 1
[pid  1432] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1431] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1430] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1429] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1428] <... clone3 resumed> => {parent_tid=[1432]}, 88) = 1432
[pid  1427] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1426] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1425] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1432] <... set_robust_list resumed>) = 0
[pid  1431] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1430] <... write resumed>)        = 2
[pid  1429] <... openat resumed>)       = 3
[pid  1428] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1427] <... futex resumed>)        = 0
[pid  1432] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1431] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1430] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1429] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1428] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1427] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1425] <... futex resumed>)        = 0
[pid  1432] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1431] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1430] <... futex resumed>)        = 1
[pid  1429] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1428] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1426] <... futex resumed>)        = 0
[pid  1425] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1432] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1431] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1430] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1429] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1428] <... futex resumed>)        = 0
[pid  1426] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1425] <... futex resumed>)        = 0
[pid  1432] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1431] <... futex resumed>)        = 1
[pid  1430] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1429] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1428] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1427] <... futex resumed>)        = 0
[pid  1426] <... futex resumed>)        = 0
[pid  1425] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1432] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1431] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1430] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1429] <... write resumed>)        = 2
[pid  1428] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1427] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1426] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1432] <... futex resumed>)        = 0
[pid  1431] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1430] <... openat resumed>)       = 4
[pid  1429] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1428] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1427] <... futex resumed>)        = 0
[pid  1432] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1431] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1430] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1429] <... futex resumed>)        = 1
[pid  1425] <... futex resumed>)        = 0
[pid  1432] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1431] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1430] <... futex resumed>)        = 1
[pid  1429] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1428] <... futex resumed>)        = 0
[pid  1427] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1426] <... futex resumed>)        = 0
[pid  1425] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1432] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1431] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1430] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1429] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1427] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1425] <... futex resumed>)        = 0
[pid  1432] <... futex resumed>)        = 0
[pid  1431] <... futex resumed>)        = 0
[pid  1429] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1428] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1427] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1426] exit_group(0 <unfinished ...>
[pid  1425] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1432] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1431] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1430] <... futex resumed>)        = ?
[pid  1429] <... openat resumed>)       = 4
[pid  1428] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1427] <... futex resumed>)        = 0
[pid  1426] <... exit_group resumed>)   = ?
[pid  1431] <... openat resumed>)       = 3
[pid  1430] +++ exited with 0 +++
[pid  1429] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1428] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1427] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1429] <... futex resumed>)        = 1
[pid  1425] <... futex resumed>)        = 0
[pid  1429] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1425] exit_group(0 <unfinished ...>
[pid  1429] <... futex resumed>)        = ?
[pid  1426] +++ exited with 0 +++
[pid  1425] <... exit_group resumed>)   = ?
[pid  1431] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1432] <... futex resumed>)        = 0
[pid  1429] +++ exited with 0 +++
[pid  1428] <... futex resumed>)        = 1
[pid  1427] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1425] +++ exited with 0 +++
[pid  1431] <... futex resumed>)        = 0
[pid  1432] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1431] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1428] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1427] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1425, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1432] <... openat resumed>)       = 3
[pid  1431] <... write resumed>)        = 2
[pid  1427] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1426, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1432] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1431] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1427] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1432] <... futex resumed>)        = 1
[pid  1431] <... futex resumed>)        = 0
[pid  1428] <... futex resumed>)        = 0
[pid  1427] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1432] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1431] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1428] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1427] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1432] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1431] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1428] <... futex resumed>)        = 0
[pid  1427] <... futex resumed>)        = 0
[pid  1432] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1431] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1428] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1427] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1432] <... write resumed>)        = 2
[pid  1432] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1431] <... openat resumed>)       = 4
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1432] <... futex resumed>)        = 1
[pid  1431] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1428] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  1432] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1431] <... futex resumed>)        = 1
[pid  1428] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1427] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  1432] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1431] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1428] <... futex resumed>)        = 0
[pid  1427] exit_group(0 <unfinished ...>
[pid  1432] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1431] <... futex resumed>)        = ?
[pid  1428] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1427] <... exit_group resumed>)   = ?
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1432] <... openat resumed>)       = 4
[pid  1431] +++ exited with 0 +++
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1433 attached
 <unfinished ...>
[pid  1432] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1433
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1432] <... futex resumed>)        = 1
[pid  1428] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1432] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1428] exit_group(0 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1434 attached
[pid  1433] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1432] <... futex resumed>)        = ?
[pid  1428] <... exit_group resumed>)   = ?
[pid  1427] +++ exited with 0 +++
[pid  1434] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1433] <... set_robust_list resumed>) = 0
[pid  1434] <... set_robust_list resumed>) = 0
[pid  1433] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1434
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1427, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1434] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1433] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1432] +++ exited with 0 +++
[pid  1428] +++ exited with 0 +++
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1434] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1433] setpgid(0, 0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1428, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... restart_syscall resumed>) = 0
[pid  1433] <... setpgid resumed>)      = 0
[pid  1433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1434] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1433] <... openat resumed>)       = 3
[pid  1434] <... prctl resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1434] setpgid(0, 0 <unfinished ...>
[pid  1433] write(3, "1000", 4 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1434] <... setpgid resumed>)      = 0
[pid  1433] <... write resumed>)        = 4
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1433] close(3 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1435 attached
 <unfinished ...>
[pid  1434] <... openat resumed>)       = 3
[pid  1433] <... close resumed>)        = 0
[pid  1433] write(1, "executing program\n", 18) = 18
executing program
[pid  1433] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1436 attached
 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1435
[pid  1435] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1434] write(3, "1000", 4 <unfinished ...>
[pid  1435] <... set_robust_list resumed>) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1436] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1434] <... write resumed>)        = 4
[pid  1435] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1436] <... set_robust_list resumed>) = 0
[pid  1434] close(3 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1435] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1436] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1435] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1434] <... close resumed>)        = 0
[pid  1433] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1436
[pid  1433] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1433] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1436] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1434] write(1, "executing program\n", 18 <unfinished ...>
[pid  1433] <... mmap resumed>)         = 0x7fb4de009000
[pid  1435] <... prctl resumed>)        = 0
[pid  1433] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1436] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1435] setpgid(0, 0 <unfinished ...>
[pid  1434] <... write resumed>)        = 18
[pid  1433] <... mprotect resumed>)     = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1436] <... prctl resumed>)        = 0
[pid  1435] <... setpgid resumed>)      = 0
[pid  1434] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1433] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1436] setpgid(0, 0 <unfinished ...>
[pid  1435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1434] <... futex resumed>)        = 0
[pid  1433] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1436] <... setpgid resumed>)      = 0
executing program
[pid  1433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1437 attached
 <unfinished ...>
[pid  1435] <... openat resumed>)       = 3
[pid  1434] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1437] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1434] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1433] <... clone3 resumed> => {parent_tid=[1437]}, 88) = 1437
[pid  1437] <... set_robust_list resumed>) = 0
[pid  1433] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1437] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1436] <... openat resumed>)       = 3
[pid  1433] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1437] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1436] write(3, "1000", 4 <unfinished ...>
[pid  1435] write(3, "1000", 4 <unfinished ...>
[pid  1434] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1433] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1437] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1436] <... write resumed>)        = 4
[pid  1435] <... write resumed>)        = 4
[pid  1433] <... futex resumed>)        = 0
[pid  1437] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1436] close(3 <unfinished ...>
[pid  1435] close(3 <unfinished ...>
[pid  1434] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1433] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1437] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1436] <... close resumed>)        = 0
[pid  1435] <... close resumed>)        = 0
[pid  1434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1433] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1437] <... futex resumed>)        = 0
[pid  1436] write(1, "executing program\n", 18 <unfinished ...>
[pid  1435] write(1, "executing program\n", 18 <unfinished ...>
[pid  1434] <... mmap resumed>)         = 0x7fb4de009000
[pid  1433] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1437] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1436] <... write resumed>)        = 18
[pid  1434] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1433] <... futex resumed>)        = 0
[pid  1437] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1435] <... write resumed>)        = 18
[pid  1433] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1434] <... mprotect resumed>)     = 0
[pid  1435] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1436] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1437] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1435] <... futex resumed>)        = 0
[pid  1436] <... futex resumed>)        = 0
[pid  1434] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1437] <... futex resumed>)        = 1
[pid  1436] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1435] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1433] <... futex resumed>)        = 0
[pid  1437] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1436] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1435] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1434] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1433] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1437] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1436] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1435] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1434] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1433] <... futex resumed>)        = 0
[pid  1437] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1436] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1435] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1433] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1437] <... openat resumed>)       = 3
[pid  1436] <... mmap resumed>)         = 0x7fb4de009000
[pid  1437] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1433] <... futex resumed>)        = 0
[pid  1437] <... futex resumed>)        = 1
[pid  1433] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1437] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1433] <... futex resumed>)        = 0
[pid  1437] <... write resumed>)        = 2
[pid  1433] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1437] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1433] <... futex resumed>)        = 0
[pid  1437] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1433] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1437] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1433] <... futex resumed>)        = 0
[pid  1437] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1433] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1437] <... openat resumed>)       = 4
[pid  1437] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1433] <... futex resumed>)        = 0
[pid  1433] exit_group(0 <unfinished ...>
[pid  1437] <... futex resumed>)        = ?
[pid  1433] <... exit_group resumed>)   = ?
[pid  1437] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 1438 attached
[pid  1436] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1435] <... mmap resumed>)         = 0x7fb4de009000
[pid  1433] +++ exited with 0 +++
[pid  1438] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1436] <... mprotect resumed>)     = 0
[pid  1435] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1434] <... clone3 resumed> => {parent_tid=[1438]}, 88) = 1438
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1433, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1438] <... set_robust_list resumed>) = 0
[pid  1436] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1438] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1436] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1435] <... mprotect resumed>)     = 0
[pid  1434] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1438] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1436] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1435] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1434] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1438] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1435] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1434] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1439 attached
 <unfinished ...>
[pid  1438] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1434] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1439] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1438] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1439] <... set_robust_list resumed>) = 0
[pid  1438] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1439] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1436] <... clone3 resumed> => {parent_tid=[1439]}, 88) = 1439
[pid  1434] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1440 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1441 attached
 <unfinished ...>
[pid  1439] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1438] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1436] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1435] <... clone3 resumed> => {parent_tid=[1440]}, 88) = 1440
[pid  1434] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1441] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1440] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1439] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1436] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1434] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1441] <... set_robust_list resumed>) = 0
[pid  1436] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1435] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1434] <... futex resumed>)        = 1
[pid  1436] <... futex resumed>)        = 0
[pid  1435] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1434] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1436] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1435] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1441] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1440] <... set_robust_list resumed>) = 0
[pid  1439] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1438] <... futex resumed>)        = 0
[pid  1435] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1441
[pid  1440] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1439] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1438] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1441] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1440] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1439] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1438] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1435] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1441] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1440] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1439] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1438] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1441] <... prctl resumed>)        = 0
[pid  1440] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1439] <... futex resumed>)        = 1
[pid  1438] <... futex resumed>)        = 1
[pid  1441] setpgid(0, 0 <unfinished ...>
[pid  1440] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1439] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1438] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1436] <... futex resumed>)        = 0
[pid  1434] <... futex resumed>)        = 0
[pid  1441] <... setpgid resumed>)      = 0
[pid  1440] <... futex resumed>)        = 1
[pid  1435] <... futex resumed>)        = 0
[pid  1440] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1434] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1438] <... futex resumed>)        = 0
[pid  1436] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1435] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1434] <... futex resumed>)        = 1
[pid  1435] <... futex resumed>)        = 1
[pid  1434] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1436] <... futex resumed>)        = 1
[pid  1435] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1436] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1441] <... openat resumed>)       = 3
[pid  1441] write(3, "1000", 4 <unfinished ...>
[pid  1440] <... futex resumed>)        = 0
[pid  1439] <... futex resumed>)        = 0
[pid  1438] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1440] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1439] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1438] <... openat resumed>)       = 3
[pid  1441] <... write resumed>)        = 4
[pid  1440] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1439] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1438] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1441] close(3 <unfinished ...>
[pid  1440] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1439] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1438] <... futex resumed>)        = 1
[pid  1434] <... futex resumed>)        = 0
[pid  1441] <... close resumed>)        = 0
[pid  1440] <... futex resumed>)        = 1
[pid  1439] <... futex resumed>)        = 1
[pid  1438] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1436] <... futex resumed>)        = 0
[pid  1435] <... futex resumed>)        = 0
[pid  1434] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1441] write(1, "executing program\n", 18 <unfinished ...>
[pid  1440] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
executing program
[pid  1439] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1438] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1436] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1435] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1434] <... futex resumed>)        = 0
[pid  1441] <... write resumed>)        = 18
[pid  1440] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1439] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1438] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1436] <... futex resumed>)        = 0
[pid  1435] <... futex resumed>)        = 0
[pid  1434] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1440] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1439] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1438] <... write resumed>)        = 2
[pid  1441] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1440] <... openat resumed>)       = 3
[pid  1439] <... openat resumed>)       = 3
[pid  1438] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1436] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1435] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1441] <... futex resumed>)        = 0
[pid  1440] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1439] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1438] <... futex resumed>)        = 1
[pid  1434] <... futex resumed>)        = 0
[pid  1441] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1440] <... futex resumed>)        = 0
[pid  1439] <... futex resumed>)        = 0
[pid  1438] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1436] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1435] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1434] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1441] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1440] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1439] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1438] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1435] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1434] <... futex resumed>)        = 0
[pid  1441] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1440] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1438] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1436] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1435] <... futex resumed>)        = 0
[pid  1434] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1441] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1440] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1439] <... futex resumed>)        = 0
[pid  1438] <... openat resumed>)       = 4
[pid  1436] <... futex resumed>)        = 1
[pid  1435] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1441] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1440] <... write resumed>)        = 2
[pid  1439] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1438] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1436] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1441] <... mmap resumed>)         = 0x7fb4de009000
[pid  1440] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1439] <... write resumed>)        = 2
[pid  1438] <... futex resumed>)        = 1
[pid  1434] <... futex resumed>)        = 0
[pid  1441] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1440] <... futex resumed>)        = 1
[pid  1439] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1438] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1435] <... futex resumed>)        = 0
[pid  1441] <... mprotect resumed>)     = 0
[pid  1440] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1439] <... futex resumed>)        = 1
[pid  1436] <... futex resumed>)        = 0
[pid  1434] exit_group(0 <unfinished ...>
[pid  1441] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1440] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1439] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1435] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1440] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1435] <... futex resumed>)        = 0
[pid  1441] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1440] <... openat resumed>)       = 4
[pid  1438] <... futex resumed>)        = ?
[pid  1436] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1434] <... exit_group resumed>)   = ?
[pid  1441] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1436] <... futex resumed>)        = 1
[pid  1435] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1442 attached
 <unfinished ...>
[pid  1440] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1439] <... futex resumed>)        = 0
[pid  1438] +++ exited with 0 +++
[pid  1436] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1434] +++ exited with 0 +++
[pid  1442] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1441] <... clone3 resumed> => {parent_tid=[1442]}, 88) = 1442
[pid  1440] <... futex resumed>)        = 1
[pid  1439] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1435] <... futex resumed>)        = 0
[pid  1442] <... set_robust_list resumed>) = 0
[pid  1440] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1439] <... openat resumed>)       = 4
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1434, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1441] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1442] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1441] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1435] exit_group(0 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1441] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1435] <... exit_group resumed>)   = ?
[pid  1441] <... futex resumed>)        = 0
[pid  1442] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1441] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1440] <... futex resumed>)        = ?
[pid  1439] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1442] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1440] +++ exited with 0 +++
[pid  1439] <... futex resumed>)        = 1
[pid  1436] <... futex resumed>)        = 0
[pid  1435] +++ exited with 0 +++
[pid  1442] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1439] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1442] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1436] exit_group(0 <unfinished ...>
[pid  1442] <... futex resumed>)        = 1
[pid  1441] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1435, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1442] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1441] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1442] <... futex resumed>)        = 0
[pid  1441] <... futex resumed>)        = 1
[pid  1442] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1439] <... futex resumed>)        = ?
[pid  1436] <... exit_group resumed>)   = ?
[pid  1442] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1441] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1439] +++ exited with 0 +++
[pid  1436] +++ exited with 0 +++
[pid   314] <... restart_syscall resumed>) = 0
[pid  1442] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1442] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1441] <... futex resumed>)        = 0
[pid  1441] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1442] <... futex resumed>)        = 0
[pid  1441] <... futex resumed>)        = 1
[pid  1442] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1441] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1442] <... openat resumed>)       = 3
[pid  1442] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1441] <... futex resumed>)        = 0
[pid  1442] <... futex resumed>)        = 1
[pid  1441] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1442] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1441] <... futex resumed>)        = 0
[pid  1442] <... write resumed>)        = 2
[pid  1442] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1441] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1442] <... futex resumed>)        = 0
[pid  1441] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1442] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1441] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1442] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1441] <... futex resumed>)        = 0
[pid  1442] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1441] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1442] <... openat resumed>)       = 4
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1436, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1442] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1442] <... futex resumed>)        = 1
[pid  1441] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1442] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1441] exit_group(0 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1442] <... futex resumed>)        = ?
[pid  1441] <... exit_group resumed>)   = ?
[pid  1442] +++ exited with 0 +++
[pid  1441] +++ exited with 0 +++
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1441, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1443 attached
 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1443
[pid  1443] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1443] <... set_robust_list resumed>) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1443] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1444 attached
, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1444] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1443] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1444
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1444] <... set_robust_list resumed>) = 0
[pid  1443] <... prctl resumed>)        = 0
[pid  1444] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1443] setpgid(0, 0 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1444] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1444] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1444] <... prctl resumed>)        = 0
[pid  1444] setpgid(0, 0)               = 0
[pid  1443] <... setpgid resumed>)      = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1445 attached
[pid  1444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1445] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1444] <... openat resumed>)       = 3
[pid  1443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1445] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1445] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1443] <... openat resumed>)       = 3
[pid  1445] <... prctl resumed>)        = 0
[pid  1444] write(3, "1000", 4 <unfinished ...>
[pid  1443] write(3, "1000", 4 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1445
[pid  1445] setpgid(0, 0 <unfinished ...>
[pid  1444] <... write resumed>)        = 4
[pid  1443] <... write resumed>)        = 4
[pid  1445] <... setpgid resumed>)      = 0
[pid  1444] close(3 <unfinished ...>
[pid  1443] close(3 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1444] <... close resumed>)        = 0
[pid  1445] <... openat resumed>)       = 3
[pid  1444] write(1, "executing program\n", 18) = 18
executing program
[pid  1445] write(3, "1000", 4 <unfinished ...>
[pid  1444] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1443] <... close resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1445] <... write resumed>)        = 4
[pid  1444] <... futex resumed>)        = 0
[pid  1445] close(3 <unfinished ...>
[pid  1444] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1443] write(1, "executing program\n", 18 <unfinished ...>
[pid  1445] <... close resumed>)        = 0
[pid  1444] <... rt_sigaction resumed>, NULL, 8) = 0
executing program
[pid  1443] <... write resumed>)        = 18
[pid  1445] write(1, "executing program\n", 18 <unfinished ...>
[pid  1444] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1443] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1445] <... write resumed>)        = 18
executing program
[pid  1444] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1443] <... futex resumed>)        = 0
[pid  1445] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1445] <... futex resumed>)        = 0
[pid  1444] <... mmap resumed>)         = 0x7fb4de009000
[pid  1443] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1445] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1444] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1443] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1445] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1444] <... mprotect resumed>)     = 0
[pid  1445] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1443] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1445] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1444] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1443] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1445] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1444] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1444] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1446 attached
 <unfinished ...>
[pid  1445] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1443] <... mmap resumed>)         = 0x7fb4de009000
[pid  1445] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1443] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1446] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1445] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1446] <... set_robust_list resumed>) = 0
[pid  1443] <... mprotect resumed>)     = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1447 attached
[pid  1444] <... clone3 resumed> => {parent_tid=[1446]}, 88) = 1446
[pid   315] <... restart_syscall resumed>) = 0
[pid  1446] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1443] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1447] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1446] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1443] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1447] <... set_robust_list resumed>) = 0
[pid  1446] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1447] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1445] <... clone3 resumed> => {parent_tid=[1447]}, 88) = 1447
[pid  1444] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1445] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1444] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1445] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1444] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1446] <... futex resumed>)        = 0
[pid  1445] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1444] <... futex resumed>)        = 1
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1448 attached
[pid  1447] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1446] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1445] <... futex resumed>)        = 0
[pid  1444] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1448] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1447] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1446] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1445] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1443] <... clone3 resumed> => {parent_tid=[1448]}, 88) = 1448
ci2-android-6-12-rust/strace-static-x86_64: Process 1449 attached
[pid  1448] <... set_robust_list resumed>) = 0
[pid  1447] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1446] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1447] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1443] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1449] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1447] <... futex resumed>)        = 1
[pid  1443] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1449] <... set_robust_list resumed>) = 0
[pid  1447] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1448] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1446] <... futex resumed>)        = 1
[pid  1445] <... futex resumed>)        = 0
[pid  1444] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1449
[pid  1448] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1446] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1445] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1444] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1448] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1446] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1445] <... futex resumed>)        = 0
[pid  1444] <... futex resumed>)        = 0
[pid  1446] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1445] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1444] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1449] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1447] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1446] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1443] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1449] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1448] <... futex resumed>)        = 0
[pid  1447] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1446] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1443] <... futex resumed>)        = 1
[pid  1449] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1448] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1446] <... futex resumed>)        = 1
[pid  1444] <... futex resumed>)        = 0
[pid  1443] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1449] <... prctl resumed>)        = 0
[pid  1448] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1447] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1446] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1444] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1449] setpgid(0, 0 <unfinished ...>
[pid  1448] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1447] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1446] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1444] <... futex resumed>)        = 0
[pid  1449] <... setpgid resumed>)      = 0
[pid  1448] <... futex resumed>)        = 1
[pid  1447] <... futex resumed>)        = 1
[pid  1446] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1445] <... futex resumed>)        = 0
[pid  1444] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1443] <... futex resumed>)        = 0
[pid  1449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1448] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1447] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1446] <... openat resumed>)       = 3
[pid  1445] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1443] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1449] <... openat resumed>)       = 3
[pid  1448] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1447] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1445] <... futex resumed>)        = 0
[pid  1443] <... futex resumed>)        = 0
[pid  1449] write(3, "1000", 4 <unfinished ...>
[pid  1448] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1446] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1445] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1447] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1443] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1449] <... write resumed>)        = 4
[pid  1448] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1446] <... futex resumed>)        = 1
[pid  1447] <... openat resumed>)       = 3
[pid  1444] <... futex resumed>)        = 0
[pid  1449] close(3 <unfinished ...>
[pid  1448] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1447] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1446] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1444] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1449] <... close resumed>)        = 0
[pid  1448] <... futex resumed>)        = 1
[pid  1447] <... futex resumed>)        = 1
[pid  1446] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1445] <... futex resumed>)        = 0
[pid  1444] <... futex resumed>)        = 0
[pid  1449] write(1, "executing program\n", 18 <unfinished ...>
[pid  1448] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1447] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1446] write(3, "\x38\x00", 2 <unfinished ...>
executing program
[pid  1445] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1444] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1443] <... futex resumed>)        = 0
[pid  1449] <... write resumed>)        = 18
[pid  1447] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1446] <... write resumed>)        = 2
[pid  1445] <... futex resumed>)        = 0
[pid  1443] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1449] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1447] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1445] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1446] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1444] <... futex resumed>)        = 0
[pid  1449] <... futex resumed>)        = 0
[pid  1448] <... futex resumed>)        = 0
[pid  1447] <... write resumed>)        = 2
[pid  1446] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1444] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1443] <... futex resumed>)        = 1
[pid  1449] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1448] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1447] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1446] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1444] <... futex resumed>)        = 0
[pid  1443] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1449] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1448] <... openat resumed>)       = 3
[pid  1447] <... futex resumed>)        = 1
[pid  1446] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1445] <... futex resumed>)        = 0
[pid  1444] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1449] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1448] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1447] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1446] <... openat resumed>)       = 4
[pid  1445] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1449] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1448] <... futex resumed>)        = 1
[pid  1447] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1443] <... futex resumed>)        = 0
[pid  1449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1447] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1445] <... futex resumed>)        = 0
[pid  1443] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1449] <... mmap resumed>)         = 0x7fb4de009000
[pid  1448] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1446] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1445] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1449] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1448] <... write resumed>)        = 2
[pid  1447] <... openat resumed>)       = 4
[pid  1446] <... futex resumed>)        = 1
[pid  1444] <... futex resumed>)        = 0
[pid  1443] <... futex resumed>)        = 0
[pid  1449] <... mprotect resumed>)     = 0
[pid  1448] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1447] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1446] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1444] exit_group(0 <unfinished ...>
[pid  1443] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1449] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1448] <... futex resumed>)        = 0
[pid  1449] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1448] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1446] <... futex resumed>)        = ?
[pid  1444] <... exit_group resumed>)   = ?
[pid  1443] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1449] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1447] <... futex resumed>)        = 1
[pid  1446] +++ exited with 0 +++
[pid  1445] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1450 attached
[pid  1447] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1445] exit_group(0 <unfinished ...>
[pid  1444] +++ exited with 0 +++
[pid  1443] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1450] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1449] <... clone3 resumed> => {parent_tid=[1450]}, 88) = 1450
[pid  1448] <... futex resumed>)        = 0
[pid  1447] <... futex resumed>)        = ?
[pid  1445] <... exit_group resumed>)   = ?
[pid  1443] <... futex resumed>)        = 1
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1444, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  1450] <... set_robust_list resumed>) = 0
[pid  1449] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1448] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1443] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1450] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1448] <... openat resumed>)       = 4
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1450] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1450] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1448] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1448] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1447] +++ exited with 0 +++
[pid  1445] +++ exited with 0 +++
[pid  1443] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1449] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1449] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1443] exit_group(0 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1445, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1449] <... futex resumed>)        = 1
[pid  1450] <... futex resumed>)        = 0
[pid  1448] <... futex resumed>)        = ?
[pid  1443] <... exit_group resumed>)   = ?
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1450] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1448] +++ exited with 0 +++
[pid   312] <... restart_syscall resumed>) = 0
[pid  1449] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1450] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1450] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1450] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1449] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1443] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 1451 attached
[pid  1451] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1449] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1443, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1451] <... set_robust_list resumed>) = 0
[pid  1450] <... futex resumed>)        = 0
[pid  1449] <... futex resumed>)        = 1
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1451] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1450] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1451
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1451] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1450] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1449] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1451] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1450] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1449] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1451] <... prctl resumed>)        = 0
[pid  1450] <... futex resumed>)        = 0
[pid  1449] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1451] setpgid(0, 0 <unfinished ...>
[pid  1450] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1451] <... setpgid resumed>)      = 0
[pid  1450] <... openat resumed>)       = 3
[pid  1451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-12-rust/strace-static-x86_64: Process 1452 attached
 <unfinished ...>
[pid  1450] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1451] <... openat resumed>)       = 3
[pid  1450] <... futex resumed>)        = 0
[pid  1450] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1451] write(3, "1000", 4)         = 4
[pid  1451] close(3)                    = 0
[pid  1451] write(1, "executing program\n", 18) = 18
[pid  1451] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1451] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1453 attached
[pid  1451] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1450] <... futex resumed>)        = 0
executing program
[pid  1449] <... futex resumed>)        = 1
[pid  1453] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1452] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1451] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1450] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1449] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1453
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1452
[pid  1453] <... set_robust_list resumed>) = 0
[pid  1452] <... set_robust_list resumed>) = 0
[pid  1451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1449] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1453] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1452] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1451] <... mmap resumed>)         = 0x7fb4de009000
[pid  1449] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1452] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1449] <... futex resumed>)        = 1
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1453] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1451] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1450] <... futex resumed>)        = 0
[pid  1453] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1452] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1451] <... mprotect resumed>)     = 0
[pid  1450] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1449] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1453] <... prctl resumed>)        = 0
[pid  1452] <... prctl resumed>)        = 0
[pid  1451] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1450] <... write resumed>)        = 2
[pid  1453] setpgid(0, 0 <unfinished ...>
[pid  1452] setpgid(0, 0 <unfinished ...>
[pid  1450] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1453] <... setpgid resumed>)      = 0
[pid  1451] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1450] <... futex resumed>)        = 1
[pid  1453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1452] <... setpgid resumed>)      = 0
[pid  1451] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1450] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1449] <... futex resumed>)        = 0
[pid  1453] <... openat resumed>)       = 3
[pid  1452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1450] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1449] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1451] <... clone3 resumed> => {parent_tid=[1454]}, 88) = 1454
[pid  1450] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1453] write(3, "1000", 4 <unfinished ...>
[pid  1451] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1450] <... openat resumed>)       = 4
ci2-android-6-12-rust/strace-static-x86_64: Process 1454 attached
[pid  1453] <... write resumed>)        = 4
[pid  1452] <... openat resumed>)       = 3
[pid  1451] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1449] <... futex resumed>)        = 0
[pid  1454] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1453] close(3 <unfinished ...>
[pid  1452] write(3, "1000", 4 <unfinished ...>
[pid  1451] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1450] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1449] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1454] <... set_robust_list resumed>) = 0
[pid  1453] <... close resumed>)        = 0
[pid  1452] <... write resumed>)        = 4
[pid  1451] <... futex resumed>)        = 0
[pid  1449] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1453] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  1451] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1450] <... futex resumed>)        = 0
[pid  1453] <... write resumed>)        = 18
[pid  1452] close(3 <unfinished ...>
[pid  1450] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1449] exit_group(0 <unfinished ...>
[pid  1454] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1453] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1452] <... close resumed>)        = 0
[pid  1450] <... futex resumed>)        = ?
[pid  1449] <... exit_group resumed>)   = ?
[pid  1453] <... futex resumed>)        = 0
[pid  1452] write(1, "executing program\n", 18 <unfinished ...>
[pid  1450] +++ exited with 0 +++
[pid  1453] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1453] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1453] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1453] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1449] +++ exited with 0 +++
executing program
[pid  1454] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1452] <... write resumed>)        = 18
[pid  1453] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1452] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1449, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1454] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1453] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1452] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 1455 attached
 <unfinished ...>
[pid  1454] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1452] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1453] <... clone3 resumed> => {parent_tid=[1455]}, 88) = 1455
[pid  1452] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1455] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1454] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1453] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1452] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1455] <... set_robust_list resumed>) = 0
[pid  1454] <... futex resumed>)        = 1
[pid  1453] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1451] <... futex resumed>)        = 0
[pid  1455] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1454] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1453] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1452] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1451] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1455] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1453] <... futex resumed>)        = 0
[pid  1451] <... futex resumed>)        = 0
[pid  1454] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1453] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1455] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1451] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1455] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1454] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1455] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1452] <... mmap resumed>)         = 0x7fb4de009000
[pid  1453] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1454] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1453] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1452] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1453] <... futex resumed>)        = 0
[pid  1453] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1455] <... futex resumed>)        = 0
[pid  1452] <... mprotect resumed>)     = 0
[pid  1454] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1452] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1455] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1454] <... futex resumed>)        = 1
[pid  1451] <... futex resumed>)        = 0
[pid  1455] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1454] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1452] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1451] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1455] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1454] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1451] <... futex resumed>)        = 0
[pid  1455] <... futex resumed>)        = 1
[pid  1454] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1453] <... futex resumed>)        = 0
[pid  1451] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1454] <... openat resumed>)       = 3
[pid  1453] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1454] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1453] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1456 attached
 <unfinished ...>
[pid  1455] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1454] <... futex resumed>)        = 1
[pid  1452] <... clone3 resumed> => {parent_tid=[1456]}, 88) = 1456
[pid  1451] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1456] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1455] <... openat resumed>)       = 3
[pid  1454] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1452] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1451] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1456] <... set_robust_list resumed>) = 0
[pid  1455] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1454] <... write resumed>)        = 2
[pid  1451] <... futex resumed>)        = 0
[pid  1456] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1455] <... futex resumed>)        = 1
[pid  1454] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1453] <... futex resumed>)        = 0
[pid  1452] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1451] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1457 attached
 <unfinished ...>
[pid  1456] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1455] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1454] <... futex resumed>)        = 0
[pid  1453] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1452] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1451] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1456] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1457] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1455] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1452] <... futex resumed>)        = 0
[pid  1456] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1455] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1454] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1451] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1455] <... write resumed>)        = 2
[pid  1452] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1455] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1456] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1455] <... futex resumed>)        = 0
[pid  1454] <... openat resumed>)       = 4
[pid  1453] <... futex resumed>)        = 0
[pid  1451] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1457
[pid  1457] <... set_robust_list resumed>) = 0
[pid  1456] <... futex resumed>)        = 1
[pid  1455] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1454] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1453] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1452] <... futex resumed>)        = 0
[pid  1451] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1457] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1456] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1454] <... futex resumed>)        = 0
[pid  1453] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1452] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1451] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1457] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1456] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1454] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1453] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1452] <... futex resumed>)        = 0
[pid  1451] exit_group(0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1456] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1455] <... futex resumed>)        = 0
[pid  1454] <... futex resumed>)        = ?
[pid  1453] <... futex resumed>)        = 1
[pid  1452] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1451] <... exit_group resumed>)   = ?
[pid  1457] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1456] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1455] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1454] +++ exited with 0 +++
[pid  1453] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1451] +++ exited with 0 +++
[pid  1457] <... prctl resumed>)        = 0
[pid  1456] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1455] <... openat resumed>)       = 4
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1451, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1457] setpgid(0, 0 <unfinished ...>
[pid  1456] <... futex resumed>)        = 1
[pid  1455] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1452] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1457] <... setpgid resumed>)      = 0
[pid  1456] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1455] <... futex resumed>)        = 1
[pid  1453] <... futex resumed>)        = 0
[pid  1452] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1456] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1455] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1453] exit_group(0 <unfinished ...>
[pid  1456] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1455] <... futex resumed>)        = ?
[pid  1453] <... exit_group resumed>)   = ?
[pid  1452] <... futex resumed>)        = 0
[pid  1457] <... openat resumed>)       = 3
[pid  1456] <... openat resumed>)       = 3
[pid  1455] +++ exited with 0 +++
[pid  1453] +++ exited with 0 +++
executing program
[pid  1457] write(3, "1000", 4 <unfinished ...>
[pid  1456] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1452] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1457] <... write resumed>)        = 4
[pid  1456] <... futex resumed>)        = 0
[pid  1457] close(3 <unfinished ...>
[pid  1452] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1453, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1456] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1457] <... close resumed>)        = 0
[pid  1452] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1456] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1457] write(1, "executing program\n", 18 <unfinished ...>
[pid  1452] <... futex resumed>)        = 0
[pid  1457] <... write resumed>)        = 18
[pid  1456] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1452] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1457] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1456] <... write resumed>)        = 2
[pid  1457] <... futex resumed>)        = 0
[pid  1456] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1457] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1456] <... futex resumed>)        = 1
[pid  1452] <... futex resumed>)        = 0
[pid  1457] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1456] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1452] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1457] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1456] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1452] <... futex resumed>)        = 0
[pid  1457] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1456] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1457] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1452] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1457] <... mmap resumed>)         = 0x7fb4de009000
[pid  1456] <... openat resumed>)       = 4
[pid  1457] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1456] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1457] <... mprotect resumed>)     = 0
[pid  1456] <... futex resumed>)        = 1
[pid  1452] <... futex resumed>)        = 0
[pid  1457] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1456] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1457] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1452] exit_group(0 <unfinished ...>
[pid  1457] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1456] <... futex resumed>)        = ?
[pid  1452] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 1458 attached
[pid  1456] +++ exited with 0 +++
[pid  1458] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1457] <... clone3 resumed> => {parent_tid=[1458]}, 88) = 1458
[pid  1457] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1457] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1457] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1458] <... set_robust_list resumed>) = 0
[pid  1452] +++ exited with 0 +++
[pid  1458] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1452, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1458] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1458] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1458] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1458] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1457] <... futex resumed>)        = 0
[pid  1458] <... futex resumed>)        = 1
[pid  1457] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1458] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1457] <... futex resumed>)        = 0
[pid  1458] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1457] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1458] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1457] <... futex resumed>)        = 0
[pid  1458] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1457] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1458] <... openat resumed>)       = 3
[pid  1457] <... futex resumed>)        = 0
[pid  1457] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1458] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1457] <... futex resumed>)        = 0
[pid  1458] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1457] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1458] <... write resumed>)        = 2
[pid  1457] <... futex resumed>)        = 0
[pid  1458] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1457] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1458] <... futex resumed>)        = 0
[pid  1458] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1457] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1457] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1458] <... futex resumed>)        = 0
[pid  1458] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1457] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1458] <... openat resumed>)       = 4
[pid  1458] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1457] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1458] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1457] exit_group(0 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1458] <... futex resumed>)        = ?
[pid  1457] <... exit_group resumed>)   = ?
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1458] +++ exited with 0 +++
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1457] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 1459 attached
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1457, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1459] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1459] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1459] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1459
[pid  1459] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1460 attached
 <unfinished ...>
[pid  1459] <... prctl resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1460] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1459] setpgid(0, 0 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1460] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1459] <... setpgid resumed>)      = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1460] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1460
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1460] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1459] <... openat resumed>)       = 3
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1461 attached
[pid  1460] <... prctl resumed>)        = 0
[pid  1459] write(3, "1000", 4 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1461] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1460] setpgid(0, 0 <unfinished ...>
[pid  1459] <... write resumed>)        = 4
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1461
[pid  1461] <... set_robust_list resumed>) = 0
[pid  1460] <... setpgid resumed>)      = 0
[pid  1459] close(3 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1461] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1459] <... close resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1462 attached
[pid  1461] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1459] write(1, "executing program\n", 18 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1460] <... openat resumed>)       = 3
[pid  1462] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1461] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1460] write(3, "1000", 4 <unfinished ...>
[pid  1459] <... write resumed>)        = 18
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1462
[pid  1462] <... set_robust_list resumed>) = 0
[pid  1461] <... prctl resumed>)        = 0
[pid  1460] <... write resumed>)        = 4
executing program
[pid  1459] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1462] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1461] setpgid(0, 0 <unfinished ...>
[pid  1460] close(3 <unfinished ...>
[pid  1459] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1462] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1461] <... setpgid resumed>)      = 0
[pid  1460] <... close resumed>)        = 0
[pid  1459] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1462] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1462] <... prctl resumed>)        = 0
[pid  1460] write(1, "executing program\n", 18 <unfinished ...>
[pid  1459] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1462] setpgid(0, 0 <unfinished ...>
[pid  1461] <... openat resumed>)       = 3
[pid  1462] <... setpgid resumed>)      = 0
[pid  1461] write(3, "1000", 4 <unfinished ...>
[pid  1460] <... write resumed>)        = 18
[pid  1459] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1461] <... write resumed>)        = 4
[pid  1460] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1459] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1461] close(3 <unfinished ...>
[pid  1460] <... futex resumed>)        = 0
[pid  1459] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1462] <... openat resumed>)       = 3
[pid  1461] <... close resumed>)        = 0
[pid  1460] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1462] write(3, "1000", 4 <unfinished ...>
[pid  1461] write(1, "executing program\n", 18 <unfinished ...>
[pid  1459] <... mmap resumed>)         = 0x7fb4de009000
[pid  1460] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1462] <... write resumed>)        = 4
[pid  1461] <... write resumed>)        = 18
[pid  1459] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1460] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1462] close(3 <unfinished ...>
[pid  1461] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1462] <... close resumed>)        = 0
[pid  1460] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1459] <... mprotect resumed>)     = 0
[pid  1461] <... futex resumed>)        = 0
[pid  1462] write(1, "executing program\n", 18 <unfinished ...>
[pid  1460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1461] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1459] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1462] <... write resumed>)        = 18
[pid  1461] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1460] <... mmap resumed>)         = 0x7fb4de009000
[pid  1459] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1462] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1461] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1460] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1459] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1462] <... futex resumed>)        = 0
[pid  1461] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1460] <... mprotect resumed>)     = 0
executing program
executing program
executing program
ci2-android-6-12-rust/strace-static-x86_64: Process 1463 attached
[pid  1462] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1460] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1463] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1462] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1461] <... mmap resumed>)         = 0x7fb4de009000
[pid  1463] <... set_robust_list resumed>) = 0
[pid  1462] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1460] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1461] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1459] <... clone3 resumed> => {parent_tid=[1463]}, 88) = 1463
[pid  1463] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1462] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1461] <... mprotect resumed>)     = 0
[pid  1460] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1463] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1462] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1459] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1461] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1464 attached
 <unfinished ...>
[pid  1463] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1462] <... mmap resumed>)         = 0x7fb4de009000
[pid  1461] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1459] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1464] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1462] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1460] <... clone3 resumed> => {parent_tid=[1464]}, 88) = 1464
[pid  1459] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1464] <... set_robust_list resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1465 attached
[pid  1464] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1463] <... futex resumed>)        = 0
[pid  1462] <... mprotect resumed>)     = 0
[pid  1460] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1459] <... futex resumed>)        = 1
[pid  1465] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1464] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1463] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1461] <... clone3 resumed> => {parent_tid=[1465]}, 88) = 1465
[pid  1460] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1465] <... set_robust_list resumed>) = 0
[pid  1464] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1463] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1461] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1460] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1459] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1465] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1464] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1463] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1461] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1460] <... futex resumed>)        = 0
[pid  1459] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1465] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1464] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1463] <... futex resumed>)        = 0
[pid  1461] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1460] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1459] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1465] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1464] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1463] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1461] <... futex resumed>)        = 0
[pid  1465] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1464] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1459] <... futex resumed>)        = 0
[pid  1465] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1464] <... futex resumed>)        = 1
[pid  1463] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1462] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1461] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1460] <... futex resumed>)        = 0
[pid  1459] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1465] <... futex resumed>)        = 0
[pid  1464] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1463] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1462] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1461] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1460] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1459] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1465] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1464] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1463] <... futex resumed>)        = 0
[pid  1462] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1461] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1460] <... futex resumed>)        = 0
[pid  1459] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1466 attached
 <unfinished ...>
[pid  1465] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1464] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1463] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1461] <... futex resumed>)        = 0
[pid  1460] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1459] <... futex resumed>)        = 0
[pid  1466] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1465] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1464] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1463] <... openat resumed>)       = 3
[pid  1462] <... clone3 resumed> => {parent_tid=[1466]}, 88) = 1466
[pid  1461] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1459] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1466] <... set_robust_list resumed>) = 0
[pid  1465] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1464] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1463] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1462] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1459] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1466] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1465] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1464] <... futex resumed>)        = 1
[pid  1463] <... futex resumed>)        = 0
[pid  1462] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1460] <... futex resumed>)        = 0
[pid  1459] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1466] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1465] <... futex resumed>)        = 1
[pid  1464] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1463] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1462] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1461] <... futex resumed>)        = 0
[pid  1460] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1459] <... futex resumed>)        = 0
[pid  1466] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1465] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1464] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1463] <... write resumed>)        = 2
[pid  1462] <... futex resumed>)        = 0
[pid  1461] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1460] <... futex resumed>)        = 0
[pid  1459] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1466] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1465] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1464] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1463] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1462] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1461] <... futex resumed>)        = 0
[pid  1460] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1459] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1466] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1465] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1464] <... openat resumed>)       = 3
[pid  1463] <... futex resumed>)        = 0
[pid  1462] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1461] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1459] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1466] <... futex resumed>)        = 0
[pid  1465] <... openat resumed>)       = 3
[pid  1464] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1463] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1462] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1459] <... futex resumed>)        = 0
[pid  1466] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1465] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1464] <... futex resumed>)        = 1
[pid  1463] <... openat resumed>)       = 4
[pid  1462] <... futex resumed>)        = 0
[pid  1460] <... futex resumed>)        = 0
[pid  1466] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1465] <... futex resumed>)        = 1
[pid  1464] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1463] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1462] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1461] <... futex resumed>)        = 0
[pid  1459] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1466] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1465] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1464] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1463] <... futex resumed>)        = 0
[pid  1462] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1461] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1460] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1466] <... futex resumed>)        = 0
[pid  1465] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1464] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1463] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1462] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1461] <... futex resumed>)        = 0
[pid  1460] <... futex resumed>)        = 0
[pid  1459] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1466] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1465] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1464] <... write resumed>)        = 2
[pid  1462] <... futex resumed>)        = 0
[pid  1460] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1466] <... openat resumed>)       = 3
[pid  1465] <... write resumed>)        = 2
[pid  1464] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1462] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1461] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1459] exit_group(0 <unfinished ...>
[pid  1466] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1465] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1464] <... futex resumed>)        = 0
[pid  1462] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1461] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1460] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1459] <... exit_group resumed>)   = ?
[pid  1463] <... futex resumed>)        = ?
[pid  1466] <... futex resumed>)        = 0
[pid  1465] <... futex resumed>)        = 0
[pid  1464] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1462] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1461] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1460] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1462] <... futex resumed>)        = 0
[pid  1462] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1466] write(3, "\x38\x00", 2)     = 2
[pid  1463] +++ exited with 0 +++
[pid  1465] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1459] +++ exited with 0 +++
[pid  1464] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1461] <... futex resumed>)        = 0
[pid  1460] <... futex resumed>)        = 0
[pid  1466] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1465] <... openat resumed>)       = 4
[pid  1464] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1461] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1460] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1459, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1466] <... futex resumed>)        = 1
[pid  1465] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1464] <... openat resumed>)       = 4
[pid  1462] <... futex resumed>)        = 0
[pid  1461] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1466] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1465] <... futex resumed>)        = 0
[pid  1464] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1462] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1461] exit_group(0 <unfinished ...>
[pid  1466] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1465] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1464] <... futex resumed>)        = 1
[pid  1462] <... futex resumed>)        = 0
[pid  1460] <... futex resumed>)        = 0
[pid  1466] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1465] +++ exited with 0 +++
[pid  1464] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1462] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1461] <... exit_group resumed>)   = ?
[pid  1466] <... openat resumed>)       = 4
[pid  1460] exit_group(0 <unfinished ...>
[pid  1466] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1462] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1462] exit_group(0 <unfinished ...>
[pid  1464] <... futex resumed>)        = ?
[pid  1462] <... exit_group resumed>)   = ?
[pid  1461] +++ exited with 0 +++
[pid  1460] <... exit_group resumed>)   = ?
[pid  1466] +++ exited with 0 +++
[pid  1464] +++ exited with 0 +++
[pid  1462] +++ exited with 0 +++
[pid  1460] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1461, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1460, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1462, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 1467 attached
 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1467] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1467] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1467
[pid  1467] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1468 attached
 <unfinished ...>
[pid  1468] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1467] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1468
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1468] <... set_robust_list resumed>) = 0
[pid  1467] <... prctl resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1468] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1467] setpgid(0, 0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1468] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1467] <... setpgid resumed>)      = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1468] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1468] <... prctl resumed>)        = 0
[pid  1468] setpgid(0, 0 <unfinished ...>
[pid  1467] <... openat resumed>)       = 3
[pid  1468] <... setpgid resumed>)      = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1467] write(3, "1000", 4 <unfinished ...>
[pid  1468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1467] <... write resumed>)        = 4
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1468] <... openat resumed>)       = 3
[pid  1467] close(3 <unfinished ...>
[pid  1468] write(3, "1000", 4)         = 4
[pid  1467] <... close resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1469 attached
[pid  1468] close(3 <unfinished ...>
[pid  1467] write(1, "executing program\n", 18 <unfinished ...>
[pid  1469] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1468] <... close resumed>)        = 0
[pid  1467] <... write resumed>)        = 18
[pid  1469] <... set_robust_list resumed>) = 0
[pid  1468] write(1, "executing program\n", 18 <unfinished ...>
executing program
executing program
[pid  1467] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1469] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1468] <... write resumed>)        = 18
[pid  1467] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1469
[pid   312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1469] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1469] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1468] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1467] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1468] <... futex resumed>)        = 0
[pid  1469] <... prctl resumed>)        = 0
[pid  1469] setpgid(0, 0)               = 0
[pid  1468] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1467] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1468] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1467] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1468] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1467] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1468] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1468] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1469] <... openat resumed>)       = 3
[pid  1467] <... mmap resumed>)         = 0x7fb4de009000
[pid  1469] write(3, "1000", 4 <unfinished ...>
[pid  1468] <... mmap resumed>)         = 0x7fb4de009000
[pid  1469] <... write resumed>)        = 4
[pid  1467] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1468] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1469] close(3)                    = 0
[pid  1468] <... mprotect resumed>)     = 0
[pid  1467] <... mprotect resumed>)     = 0
[pid  1469] write(1, "executing program\n", 18) = 18
[pid  1469] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1469] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1468] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
executing program
[pid  1467] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1468] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1467] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1468] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1469] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1469] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 1470 attached
, NULL, 8) = 0
[pid  1470] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1469] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1470] <... set_robust_list resumed>) = 0
[pid  1469] <... mmap resumed>)         = 0x7fb4de009000
[pid  1470] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1469] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1470] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1469] <... mprotect resumed>)     = 0
[pid  1470] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1469] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1469] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1468] <... clone3 resumed> => {parent_tid=[1470]}, 88) = 1470
ci2-android-6-12-rust/strace-static-x86_64: Process 1471 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1472 attached
[pid  1468] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1467] <... clone3 resumed> => {parent_tid=[1471]}, 88) = 1471
[pid  1471] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1468] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1467] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1472] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1468] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1467] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1472] <... set_robust_list resumed>) = 0
[pid  1468] <... futex resumed>)        = 1
[pid  1467] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1472] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1468] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1467] <... futex resumed>)        = 0
[pid  1471] <... set_robust_list resumed>) = 0
[pid  1470] <... futex resumed>)        = 0
[pid  1469] <... clone3 resumed> => {parent_tid=[1472]}, 88) = 1472
[pid  1472] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1471] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1470] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1469] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1467] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1472] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1471] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1470] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1469] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1471] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1470] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1469] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1471] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1470] <... futex resumed>)        = 1
[pid  1472] <... futex resumed>)        = 0
[pid  1469] <... futex resumed>)        = 1
[pid  1468] <... futex resumed>)        = 0
[pid  1472] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1471] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1470] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1469] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1468] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1472] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1471] <... futex resumed>)        = 1
[pid  1470] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1468] <... futex resumed>)        = 0
[pid  1467] <... futex resumed>)        = 0
[pid  1472] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1471] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1470] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1468] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1467] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1472] <... futex resumed>)        = 1
[pid  1471] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1470] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1469] <... futex resumed>)        = 0
[pid  1472] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1471] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1470] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1469] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1467] <... futex resumed>)        = 0
[pid  1472] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1471] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1470] <... futex resumed>)        = 1
[pid  1469] <... futex resumed>)        = 0
[pid  1468] <... futex resumed>)        = 0
[pid  1472] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1470] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1469] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1468] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1467] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1472] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1471] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1470] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1468] <... futex resumed>)        = 0
[pid  1472] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1471] <... futex resumed>)        = 0
[pid  1470] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1467] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1472] <... futex resumed>)        = 1
[pid  1471] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1470] <... openat resumed>)       = 3
[pid  1469] <... futex resumed>)        = 0
[pid  1468] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1467] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1472] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1471] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1470] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1469] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1467] <... futex resumed>)        = 0
[pid  1471] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1470] <... futex resumed>)        = 1
[pid  1469] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1472] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1471] <... openat resumed>)       = 3
[pid  1470] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1469] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1468] <... futex resumed>)        = 0
[pid  1467] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1472] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1471] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1468] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1467] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1472] <... openat resumed>)       = 3
[pid  1471] <... futex resumed>)        = 0
[pid  1470] <... futex resumed>)        = 0
[pid  1468] <... futex resumed>)        = 1
[pid  1467] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1471] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1470] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1471] <... write resumed>)        = 2
[pid  1470] <... write resumed>)        = 2
[pid  1470] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1471] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1470] <... futex resumed>)        = 0
[pid  1471] <... futex resumed>)        = 0
[pid  1470] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1471] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1473
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1471] <... futex resumed>)        = 0
[pid  1467] <... futex resumed>)        = 1
[pid  1471] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1468] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1473 attached
 <unfinished ...>
[pid  1472] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1468] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1467] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1472] <... futex resumed>)        = 1
[pid  1469] <... futex resumed>)        = 0
[pid  1468] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1467] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1469] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1467] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1472] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1470] <... futex resumed>)        = 0
[pid  1468] <... futex resumed>)        = 1
[pid  1473] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1472] <... write resumed>)        = 2
[pid  1471] <... futex resumed>)        = 0
[pid  1470] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1469] <... futex resumed>)        = 0
[pid  1468] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1467] <... futex resumed>)        = 1
[pid  1473] <... set_robust_list resumed>) = 0
[pid  1472] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1471] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1470] <... openat resumed>)       = 4
[pid  1469] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1467] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1473] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1472] <... futex resumed>)        = 0
[pid  1471] <... openat resumed>)       = 4
[pid  1470] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1469] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1473] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1472] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1471] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1470] <... futex resumed>)        = 1
[pid  1469] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1468] <... futex resumed>)        = 0
[pid  1473] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1472] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1471] <... futex resumed>)        = 1
[pid  1470] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1469] <... futex resumed>)        = 0
[pid  1468] exit_group(0 <unfinished ...>
[pid  1467] <... futex resumed>)        = 0
[pid  1473] <... prctl resumed>)        = 0
[pid  1472] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1471] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1470] <... futex resumed>)        = ?
[pid  1469] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1468] <... exit_group resumed>)   = ?
[pid  1473] setpgid(0, 0 <unfinished ...>
[pid  1472] <... openat resumed>)       = 4
[pid  1470] +++ exited with 0 +++
[pid  1468] +++ exited with 0 +++
[pid  1467] exit_group(0 <unfinished ...>
[pid  1473] <... setpgid resumed>)      = 0
[pid  1472] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1471] <... futex resumed>)        = ?
[pid  1467] <... exit_group resumed>)   = ?
[pid  1472] <... futex resumed>)        = 1
[pid  1471] +++ exited with 0 +++
[pid  1469] <... futex resumed>)        = 0
[pid  1469] exit_group(0)               = ?
[pid  1473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1467] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1468, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1473] <... openat resumed>)       = 3
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1467, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1473] write(3, "1000", 4)         = 4
[pid  1472] +++ exited with 0 +++
[pid  1469] +++ exited with 0 +++
[pid  1473] close(3 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1469, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1473] <... close resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1473] write(1, "executing program\n", 18) = 18
[pid  1473] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1473] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
executing program
[pid  1473] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1473] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1473] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1474 attached
 <unfinished ...>
[pid  1474] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1473] <... clone3 resumed> => {parent_tid=[1474]}, 88) = 1474
[pid  1473] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1473] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1473] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1474] <... set_robust_list resumed>) = 0
[pid  1474] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1474] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  1474] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1473] <... futex resumed>)        = 0
[pid  1474] <... futex resumed>)        = 1
[pid  1473] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1474] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1473] <... futex resumed>)        = 0
[pid  1474] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1473] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1474] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1473] <... futex resumed>)        = 0
[pid  1473] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1474] <... futex resumed>)        = 1
[pid  1474] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1473] <... futex resumed>)        = 0
[pid  1474] <... openat resumed>)       = 3
[pid  1473] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1474] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1474] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1473] <... futex resumed>)        = 0
[pid  1473] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1474] <... futex resumed>)        = 0
[pid  1473] <... futex resumed>)        = 1
[pid  1474] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1473] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1474] <... write resumed>)        = 2
[pid  1474] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1473] <... futex resumed>)        = 0
[pid  1474] <... futex resumed>)        = 1
[pid  1473] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1474] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1473] <... futex resumed>)        = 0
[pid  1474] <... openat resumed>)       = 4
[pid  1473] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1474] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1473] <... futex resumed>)        = 0
[pid  1474] <... futex resumed>)        = 1
[pid  1474] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1473] exit_group(0 <unfinished ...>
[pid  1474] <... futex resumed>)        = ?
[pid  1474] +++ exited with 0 +++
[pid  1473] <... exit_group resumed>)   = ?
[pid   313] <... restart_syscall resumed>) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1473] +++ exited with 0 +++
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1473, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1475 attached
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1475
[pid  1475] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1475] <... set_robust_list resumed>) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1475] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1475] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1475] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1477 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1476 attached
 <unfinished ...>
[pid  1475] <... prctl resumed>)        = 0
[pid  1477] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1476] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1475] setpgid(0, 0 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1476
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1477
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1477] <... set_robust_list resumed>) = 0
[pid  1476] <... set_robust_list resumed>) = 0
[pid  1475] <... setpgid resumed>)      = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1476] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1477] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1476] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1475] <... openat resumed>)       = 3
[pid  1477] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1476] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1477] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1475] write(3, "1000", 4 <unfinished ...>
[pid  1477] <... prctl resumed>)        = 0
[pid  1476] <... prctl resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1477] setpgid(0, 0 <unfinished ...>
[pid  1476] setpgid(0, 0 <unfinished ...>
[pid  1475] <... write resumed>)        = 4
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1477] <... setpgid resumed>)      = 0
[pid  1476] <... setpgid resumed>)      = 0
[pid  1475] close(3 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1475] <... close resumed>)        = 0
[pid  1477] <... openat resumed>)       = 3
[pid  1475] write(1, "executing program\n", 18ci2-android-6-12-rust/strace-static-x86_64: Process 1478 attached
 <unfinished ...>
[pid  1477] write(3, "1000", 4 <unfinished ...>
[pid  1476] <... openat resumed>)       = 3
[pid  1475] <... write resumed>)        = 18
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1478
[pid  1478] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1477] <... write resumed>)        = 4
[pid  1476] write(3, "1000", 4 <unfinished ...>
[pid  1477] close(3 <unfinished ...>
[pid  1476] <... write resumed>)        = 4
executing program
[pid  1478] <... set_robust_list resumed>) = 0
[pid  1477] <... close resumed>)        = 0
[pid  1476] close(3 <unfinished ...>
[pid  1475] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1478] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1476] <... close resumed>)        = 0
[pid  1475] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1478] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1476] write(1, "executing program\n", 18 <unfinished ...>
[pid  1475] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1476] <... write resumed>)        = 18
[pid  1475] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1476] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1475] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1476] <... futex resumed>)        = 0
executing program
[pid  1476] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1478] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
executing program
[pid  1477] write(1, "executing program\n", 18 <unfinished ...>
[pid  1476] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1475] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1478] <... prctl resumed>)        = 0
[pid  1478] setpgid(0, 0 <unfinished ...>
[pid  1477] <... write resumed>)        = 18
[pid  1475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1478] <... setpgid resumed>)      = 0
[pid  1477] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1476] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1477] <... futex resumed>)        = 0
[pid  1476] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1475] <... mmap resumed>)         = 0x7fb4de009000
[pid  1478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1477] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1475] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1477] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1476] <... mmap resumed>)         = 0x7fb4de009000
[pid  1475] <... mprotect resumed>)     = 0
[pid  1477] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1476] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1478] <... openat resumed>)       = 3
[pid  1477] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1475] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1478] write(3, "1000", 4 <unfinished ...>
[pid  1477] <... mmap resumed>)         = 0x7fb4de009000
[pid  1476] <... mprotect resumed>)     = 0
[pid  1478] <... write resumed>)        = 4
[pid  1477] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1475] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1478] close(3 <unfinished ...>
[pid  1477] <... mprotect resumed>)     = 0
[pid  1476] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1478] <... close resumed>)        = 0
[pid  1477] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1475] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1478] write(1, "executing program\n", 18 <unfinished ...>
[pid  1477] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1476] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1477] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1480 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1479 attached
 <unfinished ...>
[pid  1478] <... write resumed>)        = 18
[pid  1476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1478] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1477] <... clone3 resumed> => {parent_tid=[1480]}, 88) = 1480
ci2-android-6-12-rust/strace-static-x86_64: Process 1481 attached
executing program
[pid  1480] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1479] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1478] <... futex resumed>)        = 0
[pid  1477] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1475] <... clone3 resumed> => {parent_tid=[1479]}, 88) = 1479
[pid  1481] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1480] <... set_robust_list resumed>) = 0
[pid  1479] <... set_robust_list resumed>) = 0
[pid  1478] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1477] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1476] <... clone3 resumed> => {parent_tid=[1481]}, 88) = 1481
[pid  1475] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1481] <... set_robust_list resumed>) = 0
[pid  1480] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1479] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1478] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1481] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1480] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1479] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1478] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1476] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1475] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1481] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1480] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1479] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1478] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1476] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1475] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1481] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1479] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1476] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1475] <... futex resumed>)        = 0
[pid  1481] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1479] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1478] <... mmap resumed>)         = 0x7fb4de009000
[pid  1475] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1476] <... futex resumed>)        = 0
[pid  1481] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1479] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1481] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1478] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1479] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1476] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1481] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1479] <... futex resumed>)        = 1
[pid  1478] <... mprotect resumed>)     = 0
[pid  1476] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1475] <... futex resumed>)        = 0
[pid  1481] <... futex resumed>)        = 0
[pid  1479] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1481] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1478] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1479] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1476] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1475] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1481] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1479] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1478] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1477] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1476] <... futex resumed>)        = 0
[pid  1475] <... futex resumed>)        = 0
[pid  1481] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1480] <... futex resumed>)        = 0
[pid  1479] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1478] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1477] <... futex resumed>)        = 1
[pid  1476] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1475] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1481] <... futex resumed>)        = 0
[pid  1480] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1479] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1477] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1482 attached
 <unfinished ...>
[pid  1481] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1480] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1479] <... futex resumed>)        = 0
[pid  1476] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1475] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1482] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1480] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1479] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1478] <... clone3 resumed> => {parent_tid=[1482]}, 88) = 1482
[pid  1476] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1475] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1482] <... set_robust_list resumed>) = 0
[pid  1480] <... futex resumed>)        = 1
[pid  1479] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1478] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1477] <... futex resumed>)        = 0
[pid  1482] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1481] <... futex resumed>)        = 0
[pid  1480] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1479] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1478] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1477] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1476] <... futex resumed>)        = 1
[pid  1475] <... futex resumed>)        = 0
[pid  1482] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1481] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1480] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1479] <... openat resumed>)       = 3
[pid  1478] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1477] <... futex resumed>)        = 0
[pid  1476] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1475] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1482] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1481] <... openat resumed>)       = 3
[pid  1480] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1479] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1478] <... futex resumed>)        = 0
[pid  1477] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1475] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1482] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1481] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1480] <... futex resumed>)        = 0
[pid  1479] <... futex resumed>)        = 0
[pid  1478] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1477] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1482] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1481] <... futex resumed>)        = 1
[pid  1480] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1479] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1478] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1477] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1476] <... futex resumed>)        = 0
[pid  1475] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1482] <... futex resumed>)        = 0
[pid  1481] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1480] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1479] <... write resumed>)        = 2
[pid  1478] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1477] <... futex resumed>)        = 0
[pid  1476] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1475] <... futex resumed>)        = 0
[pid  1482] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1481] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1480] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1479] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1478] <... futex resumed>)        = 0
[pid  1477] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1476] <... futex resumed>)        = 0
[pid  1475] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1482] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1481] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1480] <... openat resumed>)       = 3
[pid  1479] <... futex resumed>)        = 0
[pid  1478] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1476] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1475] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1482] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1481] <... write resumed>)        = 2
[pid  1480] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1479] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1478] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1475] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1482] <... futex resumed>)        = 0
[pid  1481] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1480] <... futex resumed>)        = 1
[pid  1479] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1478] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1477] <... futex resumed>)        = 0
[pid  1475] <... futex resumed>)        = 0
[pid  1482] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1481] <... futex resumed>)        = 1
[pid  1480] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1479] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1478] <... futex resumed>)        = 0
[pid  1477] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1476] <... futex resumed>)        = 0
[pid  1475] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1482] <... openat resumed>)       = 3
[pid  1481] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1480] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1479] <... openat resumed>)       = 4
[pid  1478] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1477] <... futex resumed>)        = 0
[pid  1476] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1482] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1481] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1480] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1479] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1478] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1477] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1476] <... futex resumed>)        = 0
[pid  1482] <... futex resumed>)        = 0
[pid  1481] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1480] <... write resumed>)        = 2
[pid  1479] <... futex resumed>)        = 1
[pid  1478] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1476] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1475] <... futex resumed>)        = 0
[pid  1482] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1481] <... openat resumed>)       = 4
[pid  1480] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1479] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1482] <... write resumed>)        = 2
[pid  1478] <... futex resumed>)        = 0
[pid  1475] exit_group(0 <unfinished ...>
[pid  1482] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1481] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1480] <... futex resumed>)        = 1
[pid  1478] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1477] <... futex resumed>)        = 0
[pid  1482] <... futex resumed>)        = 0
[pid  1480] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1481] <... futex resumed>)        = 1
[pid  1479] <... futex resumed>)        = ?
[pid  1478] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1477] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1476] <... futex resumed>)        = 0
[pid  1475] <... exit_group resumed>)   = ?
[pid  1482] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1481] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1480] <... openat resumed>)       = 4
[pid  1479] +++ exited with 0 +++
[pid  1478] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1477] <... futex resumed>)        = 0
[pid  1477] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1476] exit_group(0 <unfinished ...>
[pid  1482] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1482] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1475] +++ exited with 0 +++
[pid  1480] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1478] <... futex resumed>)        = 0
[pid  1482] <... openat resumed>)       = 4
[pid  1481] <... futex resumed>)        = ?
[pid  1480] <... futex resumed>)        = 1
[pid  1477] <... futex resumed>)        = 0
[pid  1476] <... exit_group resumed>)   = ?
[pid  1482] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1481] +++ exited with 0 +++
[pid  1480] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1478] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1477] exit_group(0 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1475, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1482] <... futex resumed>)        = 0
[pid  1480] <... futex resumed>)        = ?
[pid  1478] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1477] <... exit_group resumed>)   = ?
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1482] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1480] +++ exited with 0 +++
[pid  1478] exit_group(0 <unfinished ...>
[pid  1477] +++ exited with 0 +++
[pid  1476] +++ exited with 0 +++
[pid  1482] <... futex resumed>)        = ?
[pid  1478] <... exit_group resumed>)   = ?
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1477, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  1482] +++ exited with 0 +++
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1476, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1478] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1478, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1483 attached
[pid   312] <... restart_syscall resumed>) = 0
[pid  1483] set_robust_list(0x55557716c6a0, 24) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1483] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1483] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1483] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1483
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1483] <... prctl resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1484 attached
 <unfinished ...>
[pid  1483] setpgid(0, 0 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1485 attached
[pid  1484] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1483] <... setpgid resumed>)      = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1484
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1485] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1484] <... set_robust_list resumed>) = 0
[pid  1483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1485
[pid   314] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1486 attached
 <unfinished ...>
[pid  1485] <... set_robust_list resumed>) = 0
[pid  1484] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1483] <... openat resumed>)       = 3
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1486] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1485] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1484] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1483] write(3, "1000", 4 <unfinished ...>
[pid  1485] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1486] <... set_robust_list resumed>) = 0
[pid  1485] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1484] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1483] <... write resumed>)        = 4
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1486
[pid  1486] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1485] <... prctl resumed>)        = 0
[pid  1484] <... prctl resumed>)        = 0
[pid  1483] close(3 <unfinished ...>
[pid  1486] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1485] setpgid(0, 0 <unfinished ...>
[pid  1484] setpgid(0, 0 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1483] <... close resumed>)        = 0
[pid  1486] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1485] <... setpgid resumed>)      = 0
[pid  1484] <... setpgid resumed>)      = 0
[pid  1483] write(1, "executing program\n", 18 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1486] <... prctl resumed>)        = 0
[pid  1484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1486] setpgid(0, 0 <unfinished ...>
[pid  1485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1483] <... write resumed>)        = 18
executing program
[pid  1486] <... setpgid resumed>)      = 0
[pid  1485] <... openat resumed>)       = 3
[pid  1484] <... openat resumed>)       = 3
[pid  1483] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1485] write(3, "1000", 4 <unfinished ...>
[pid  1484] write(3, "1000", 4 <unfinished ...>
[pid  1485] <... write resumed>)        = 4
[pid  1483] <... futex resumed>)        = 0
[pid  1484] <... write resumed>)        = 4
[pid  1486] <... openat resumed>)       = 3
[pid  1485] close(3 <unfinished ...>
[pid  1484] close(3 <unfinished ...>
[pid  1486] write(3, "1000", 4 <unfinished ...>
[pid  1483] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1486] <... write resumed>)        = 4
[pid  1485] <... close resumed>)        = 0
[pid  1484] <... close resumed>)        = 0
[pid  1483] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1486] close(3 <unfinished ...>
[pid  1485] write(1, "executing program\n", 18 <unfinished ...>
[pid  1484] write(1, "executing program\n", 18 <unfinished ...>
[pid  1483] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1486] <... close resumed>)        = 0
[pid  1485] <... write resumed>)        = 18
[pid  1484] <... write resumed>)        = 18
[pid  1483] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1486] write(1, "executing program\n", 18 <unfinished ...>
[pid  1485] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1486] <... write resumed>)        = 18
[pid  1484] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1483] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1486] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1485] <... futex resumed>)        = 0
[pid  1484] <... futex resumed>)        = 0
[pid  1486] <... futex resumed>)        = 0
[pid  1485] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1486] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1484] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1483] <... mmap resumed>)         = 0x7fb4de009000
[pid  1486] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1485] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1484] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1483] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1486] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1485] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1484] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1486] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1485] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1484] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1483] <... mprotect resumed>)     = 0
[pid  1486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1484] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1483] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1486] <... mmap resumed>)         = 0x7fb4de009000
[pid  1485] <... mmap resumed>)         = 0x7fb4de009000
executing program
executing program
executing program
[pid  1486] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1485] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1484] <... mmap resumed>)         = 0x7fb4de009000
[pid  1483] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1486] <... mprotect resumed>)     = 0
[pid  1485] <... mprotect resumed>)     = 0
[pid  1484] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1483] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1486] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1485] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1484] <... mprotect resumed>)     = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1487 attached
[pid  1486] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1485] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1484] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1487] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1486] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1483] <... clone3 resumed> => {parent_tid=[1487]}, 88) = 1487
[pid  1484] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1487] <... set_robust_list resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1489 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1488 attached
[pid  1487] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1484] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1483] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1489] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1488] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1487] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1486] <... clone3 resumed> => {parent_tid=[1488]}, 88) = 1488
[pid  1485] <... clone3 resumed> => {parent_tid=[1489]}, 88) = 1489
[pid  1483] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1490 attached
[pid  1489] <... set_robust_list resumed>) = 0
[pid  1487] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1486] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1485] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1483] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1490] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1489] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1487] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1486] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1485] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1484] <... clone3 resumed> => {parent_tid=[1490]}, 88) = 1490
[pid  1483] <... futex resumed>)        = 0
[pid  1490] <... set_robust_list resumed>) = 0
[pid  1489] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1487] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1486] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1485] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1484] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1483] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1490] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1489] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1487] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1486] <... futex resumed>)        = 0
[pid  1485] <... futex resumed>)        = 0
[pid  1484] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1490] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1489] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1487] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1486] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1485] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1484] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1490] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1489] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1488] <... set_robust_list resumed>) = 0
[pid  1487] <... futex resumed>)        = 1
[pid  1485] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1484] <... futex resumed>)        = 0
[pid  1483] <... futex resumed>)        = 0
[pid  1490] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1489] <... futex resumed>)        = 0
[pid  1488] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1487] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1485] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1484] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1490] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1489] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1488] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1487] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1485] <... futex resumed>)        = 0
[pid  1484] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1483] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1490] <... futex resumed>)        = 0
[pid  1489] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1488] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1487] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1485] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1484] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1483] <... futex resumed>)        = 0
[pid  1490] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1489] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1488] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1490] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1489] <... futex resumed>)        = 0
[pid  1488] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1487] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1485] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1484] <... futex resumed>)        = 0
[pid  1483] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1490] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1489] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1488] <... futex resumed>)        = 1
[pid  1487] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1486] <... futex resumed>)        = 0
[pid  1485] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1484] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1483] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1490] <... futex resumed>)        = 0
[pid  1489] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1488] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1487] <... futex resumed>)        = 0
[pid  1486] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1485] <... futex resumed>)        = 0
[pid  1484] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1483] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1490] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1489] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1488] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1487] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1486] <... futex resumed>)        = 0
[pid  1485] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1484] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1483] <... futex resumed>)        = 0
[pid  1490] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1489] <... openat resumed>)       = 3
[pid  1488] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1487] <... openat resumed>)       = 3
[pid  1486] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1484] <... futex resumed>)        = 0
[pid  1483] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1490] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1489] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1488] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1487] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1484] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1483] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1490] <... openat resumed>)       = 3
[pid  1489] <... futex resumed>)        = 1
[pid  1488] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1487] <... futex resumed>)        = 0
[pid  1485] <... futex resumed>)        = 0
[pid  1483] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1490] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1489] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1488] <... futex resumed>)        = 1
[pid  1487] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1486] <... futex resumed>)        = 0
[pid  1485] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1483] <... futex resumed>)        = 0
[pid  1490] <... futex resumed>)        = 1
[pid  1489] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1488] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1487] <... write resumed>)        = 2
[pid  1486] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1485] <... futex resumed>)        = 0
[pid  1484] <... futex resumed>)        = 0
[pid  1483] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1490] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1489] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1488] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1487] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1486] <... futex resumed>)        = 0
[pid  1485] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1484] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1483] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1490] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1489] <... write resumed>)        = 2
[pid  1488] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1487] <... futex resumed>)        = 0
[pid  1486] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1484] <... futex resumed>)        = 0
[pid  1483] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1490] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1489] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1488] <... openat resumed>)       = 3
[pid  1487] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1484] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1483] <... futex resumed>)        = 0
[pid  1490] <... write resumed>)        = 2
[pid  1489] <... futex resumed>)        = 1
[pid  1488] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1487] <... openat resumed>)       = 4
[pid  1485] <... futex resumed>)        = 0
[pid  1483] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1490] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1489] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1488] <... futex resumed>)        = 1
[pid  1486] <... futex resumed>)        = 0
[pid  1490] <... futex resumed>)        = 1
[pid  1489] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1488] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1487] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1485] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1484] <... futex resumed>)        = 0
[pid  1483] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1490] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1489] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1488] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1487] <... futex resumed>)        = 0
[pid  1486] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1485] <... futex resumed>)        = 0
[pid  1490] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1489] <... openat resumed>)       = 4
[pid  1488] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1487] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1486] <... futex resumed>)        = 0
[pid  1485] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1484] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1483] exit_group(0 <unfinished ...>
[pid  1490] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1489] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1488] <... write resumed>)        = 2
[pid  1486] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1485] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1484] <... futex resumed>)        = 0
[pid  1483] <... exit_group resumed>)   = ?
[pid  1487] <... futex resumed>)        = ?
[pid  1490] <... openat resumed>)       = 4
[pid  1489] <... futex resumed>)        = 0
[pid  1488] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1486] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1488] <... futex resumed>)        = 0
[pid  1487] +++ exited with 0 +++
[pid  1485] exit_group(0 <unfinished ...>
[pid  1484] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1488] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1490] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1490] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1483] +++ exited with 0 +++
[pid  1486] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1485] <... exit_group resumed>)   = ?
[pid  1484] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1488] <... futex resumed>)        = 0
[pid  1486] <... futex resumed>)        = 1
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1483, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1488] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1486] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1484] exit_group(0 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1490] <... futex resumed>)        = ?
[pid  1488] <... openat resumed>)       = 4
[pid  1484] <... exit_group resumed>)   = ?
[pid  1488] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1486] <... futex resumed>)        = 0
[pid  1490] +++ exited with 0 +++
[pid  1489] +++ exited with 0 +++
[pid  1488] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1485] +++ exited with 0 +++
[pid  1486] exit_group(0 <unfinished ...>
[pid  1484] +++ exited with 0 +++
[pid   315] <... restart_syscall resumed>) = 0
[pid  1488] <... futex resumed>)        = ?
[pid  1486] <... exit_group resumed>)   = ?
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1485, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1488] +++ exited with 0 +++
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1484, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1491 attached
 <unfinished ...>
[pid  1486] +++ exited with 0 +++
[pid  1491] set_robust_list(0x55557716c6a0, 24) = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1486, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1491] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1491] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1491
[pid  1491] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1491] <... prctl resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1491] setpgid(0, 0 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1491] <... setpgid resumed>)      = 0
[pid  1491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1491] write(3, "1000", 4)         = 4
[pid  1491] close(3ci2-android-6-12-rust/strace-static-x86_64: Process 1492 attached
 <unfinished ...>
[pid  1492] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1491] <... close resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1492] <... set_robust_list resumed>) = 0
[pid  1491] write(1, "executing program\n", 18 <unfinished ...>
[pid  1492] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1491] <... write resumed>)        = 18
executing program
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1492
[pid  1492] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1491] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1492] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1491] <... futex resumed>)        = 0
[pid  1492] <... prctl resumed>)        = 0
[pid  1491] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1492] setpgid(0, 0 <unfinished ...>
[pid  1491] <... rt_sigaction resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1493 attached
[pid  1492] <... setpgid resumed>)      = 0
[pid  1491] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1493] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1493] <... set_robust_list resumed>) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1493
[pid  1492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1491] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1492] <... openat resumed>)       = 3
[pid  1491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1492] write(3, "1000", 4 <unfinished ...>
[pid  1491] <... mmap resumed>)         = 0x7fb4de009000
ci2-android-6-12-rust/strace-static-x86_64: Process 1494 attached
[pid  1493] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1492] <... write resumed>)        = 4
[pid  1491] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1494] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1493] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1492] close(3 <unfinished ...>
[pid  1491] <... mprotect resumed>)     = 0
[pid  1494] <... set_robust_list resumed>) = 0
[pid  1492] <... close resumed>)        = 0
[pid  1491] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1494] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1493] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1492] write(1, "executing program\n", 18 <unfinished ...>
[pid  1491] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1494] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  1493] <... prctl resumed>)        = 0
[pid  1492] <... write resumed>)        = 18
[pid  1491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1495 attached
 <unfinished ...>
[pid  1494] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1493] setpgid(0, 0 <unfinished ...>
[pid  1492] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1494
[pid  1493] <... setpgid resumed>)      = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1494] <... prctl resumed>)        = 0
[pid  1493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1492] <... futex resumed>)        = 0
[pid  1491] <... clone3 resumed> => {parent_tid=[1495]}, 88) = 1495
[pid  1494] setpgid(0, 0 <unfinished ...>
[pid  1492] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1491] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1494] <... setpgid resumed>)      = 0
[pid  1492] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1491] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1492] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1491] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1495] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1494] <... openat resumed>)       = 3
[pid  1493] <... openat resumed>)       = 3
[pid  1492] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1491] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1495] <... set_robust_list resumed>) = 0
[pid  1493] write(3, "1000", 4 <unfinished ...>
[pid  1495] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1494] write(3, "1000", 4 <unfinished ...>
[pid  1492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1491] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1493] <... write resumed>)        = 4
[pid  1495] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1494] <... write resumed>)        = 4
[pid  1493] close(3 <unfinished ...>
[pid  1492] <... mmap resumed>)         = 0x7fb4de009000
[pid  1494] close(3 <unfinished ...>
[pid  1492] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1494] <... close resumed>)        = 0
executing program
[pid  1495] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1492] <... mprotect resumed>)     = 0
[pid  1495] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1494] write(1, "executing program\n", 18 <unfinished ...>
[pid  1493] <... close resumed>)        = 0
[pid  1492] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1495] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1494] <... write resumed>)        = 18
[pid  1493] write(1, "executing program\n", 18 <unfinished ...>
[pid  1495] <... futex resumed>)        = 1
[pid  1494] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1492] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1491] <... futex resumed>)        = 0
executing program
[pid  1495] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1494] <... futex resumed>)        = 0
[pid  1493] <... write resumed>)        = 18
[pid  1492] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1491] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1495] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1494] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1493] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1491] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1496 attached
[pid  1495] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1494] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1491] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1494] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1492] <... clone3 resumed> => {parent_tid=[1496]}, 88) = 1496
[pid  1496] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1495] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1494] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1493] <... futex resumed>)        = 0
[pid  1492] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1496] <... set_robust_list resumed>) = 0
[pid  1495] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1493] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1492] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1496] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1495] <... futex resumed>)        = 1
[pid  1494] <... mmap resumed>)         = 0x7fb4de009000
[pid  1493] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1491] <... futex resumed>)        = 0
[pid  1496] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1495] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1493] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1496] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1493] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1494] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1492] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1491] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1496] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1495] <... futex resumed>)        = 0
[pid  1494] <... mprotect resumed>)     = 0
[pid  1493] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1492] <... futex resumed>)        = 0
[pid  1491] <... futex resumed>)        = 1
[pid  1496] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1495] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1494] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1492] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1491] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1496] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1495] <... openat resumed>)       = 3
[pid  1494] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1493] <... mmap resumed>)         = 0x7fb4de009000
[pid  1496] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1495] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1493] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1496] <... futex resumed>)        = 1
[pid  1495] <... futex resumed>)        = 1
[pid  1492] <... futex resumed>)        = 0
[pid  1491] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1497 attached
[pid  1496] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1495] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1493] <... mprotect resumed>)     = 0
[pid  1492] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1491] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1496] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1495] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1494] <... clone3 resumed> => {parent_tid=[1497]}, 88) = 1497
[pid  1493] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1492] <... futex resumed>)        = 0
[pid  1491] <... futex resumed>)        = 0
[pid  1497] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1496] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1495] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1494] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1493] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1492] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1491] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1497] <... set_robust_list resumed>) = 0
[pid  1495] <... write resumed>)        = 2
[pid  1494] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1493] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1494] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1494] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1496] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1496] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1492] <... futex resumed>)        = 0
[pid  1492] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1498 attached
 <unfinished ...>
[pid  1496] <... futex resumed>)        = 1
[pid  1495] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1497] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1492] <... futex resumed>)        = 0
[pid  1498] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1497] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1496] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1495] <... futex resumed>)        = 1
[pid  1493] <... clone3 resumed> => {parent_tid=[1498]}, 88) = 1498
[pid  1492] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1491] <... futex resumed>)        = 0
[pid  1498] <... set_robust_list resumed>) = 0
[pid  1497] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1496] <... openat resumed>)       = 3
[pid  1495] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1493] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1491] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1498] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1497] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1496] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1495] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1493] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1498] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1497] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1495] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1493] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1491] <... futex resumed>)        = 0
[pid  1497] <... futex resumed>)        = 1
[pid  1498] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1497] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1496] <... futex resumed>)        = 1
[pid  1494] <... futex resumed>)        = 0
[pid  1493] <... futex resumed>)        = 0
[pid  1492] <... futex resumed>)        = 0
[pid  1491] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1498] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1496] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1495] <... openat resumed>)       = 4
[pid  1494] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1493] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1492] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1498] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1497] <... futex resumed>)        = 0
[pid  1496] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1495] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1494] <... futex resumed>)        = 1
[pid  1493] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1492] <... futex resumed>)        = 0
[pid  1498] <... futex resumed>)        = 0
[pid  1497] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1496] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1495] <... futex resumed>)        = 1
[pid  1494] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1493] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1492] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1491] <... futex resumed>)        = 0
[pid  1496] <... write resumed>)        = 2
[pid  1491] exit_group(0 <unfinished ...>
[pid  1498] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1497] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1496] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1493] <... futex resumed>)        = 0
[pid  1491] <... exit_group resumed>)   = ?
[pid  1498] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1497] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1496] <... futex resumed>)        = 1
[pid  1493] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1492] <... futex resumed>)        = 0
[pid  1498] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1497] <... futex resumed>)        = 1
[pid  1496] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1494] <... futex resumed>)        = 0
[pid  1492] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1496] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1494] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1493] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1492] <... futex resumed>)        = 0
[pid  1496] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1494] <... futex resumed>)        = 0
[pid  1492] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1498] <... futex resumed>)        = 0
[pid  1497] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1496] <... openat resumed>)       = 4
[pid  1494] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1493] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1498] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1497] <... openat resumed>)       = 3
[pid  1493] <... futex resumed>)        = 0
[pid  1498] <... openat resumed>)       = 3
[pid  1497] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1493] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1498] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1497] <... futex resumed>)        = 0
[pid  1496] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1497] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1494] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1493] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1498] <... futex resumed>)        = 0
[pid  1496] <... futex resumed>)        = 1
[pid  1494] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1492] <... futex resumed>)        = 0
[pid  1498] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1497] <... futex resumed>)        = 0
[pid  1496] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1494] <... futex resumed>)        = 1
[pid  1493] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1492] exit_group(0 <unfinished ...>
[pid  1497] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1496] <... futex resumed>)        = ?
[pid  1495] +++ exited with 0 +++
[pid  1498] <... write resumed>)        = 2
[pid  1494] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1493] <... futex resumed>)        = 0
[pid  1492] <... exit_group resumed>)   = ?
[pid  1491] +++ exited with 0 +++
[pid  1498] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1497] <... write resumed>)        = 2
[pid  1496] +++ exited with 0 +++
[pid  1493] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1492] +++ exited with 0 +++
[pid  1497] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1491, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1498] <... futex resumed>)        = 0
[pid  1497] <... futex resumed>)        = 1
[pid  1494] <... futex resumed>)        = 0
[pid  1498] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1493] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1492, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1497] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1494] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1498] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1497] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1494] <... futex resumed>)        = 0
[pid  1493] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1498] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1497] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1494] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1493] <... futex resumed>)        = 0
[pid  1497] <... openat resumed>)       = 4
[pid  1498] <... openat resumed>)       = 4
[pid  1493] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1498] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1493] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1497] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1498] <... futex resumed>)        = 0
[pid  1497] <... futex resumed>)        = 1
[pid  1494] <... futex resumed>)        = 0
[pid  1493] exit_group(0 <unfinished ...>
[pid  1498] ???( <unfinished ...>
[pid  1497] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1494] exit_group(0 <unfinished ...>
[pid  1498] <... ??? resumed>)          = ?
[pid  1497] <... futex resumed>)        = ?
[pid  1494] <... exit_group resumed>)   = ?
[pid  1493] <... exit_group resumed>)   = ?
[pid  1498] +++ exited with 0 +++
[pid  1497] +++ exited with 0 +++
[pid  1494] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1494, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1493] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1493, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1499 attached
 <unfinished ...>
[pid  1499] set_robust_list(0x55557716c6a0, 24) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1499
[pid  1499] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1499] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1499] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1499] <... prctl resumed>)        = 0
[pid  1499] setpgid(0, 0)               = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1499] write(3, "1000", 4)         = 4
[pid  1499] close(3 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1499] <... close resumed>)        = 0
[pid  1499] write(1, "executing program\n", 18 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
executing program
[pid  1499] <... write resumed>)        = 18
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1500 attached
 <unfinished ...>
[pid  1499] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1500] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1499] <... futex resumed>)        = 0
[pid  1500] <... set_robust_list resumed>) = 0
[pid  1499] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1500] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1499] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1500] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1499] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1500] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1499] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1500
[pid  1500] <... prctl resumed>)        = 0
[pid  1499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1500] setpgid(0, 0 <unfinished ...>
[pid  1499] <... mmap resumed>)         = 0x7fb4de009000
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1500] <... setpgid resumed>)      = 0
[pid  1499] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1499] <... mprotect resumed>)     = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1500] <... openat resumed>)       = 3
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1501 attached
 <unfinished ...>
[pid  1500] write(3, "1000", 4 <unfinished ...>
[pid  1499] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1501] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1500] <... write resumed>)        = 4
[pid  1499] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1501] <... set_robust_list resumed>) = 0
[pid  1500] close(3 <unfinished ...>
[pid  1499] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1501] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1500] <... close resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1501
ci2-android-6-12-rust/strace-static-x86_64: Process 1502 attached
[pid  1501] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1500] write(1, "executing program\n", 18 <unfinished ...>
[pid  1502] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1502] <... set_robust_list resumed>) = 0
[pid  1501] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1500] <... write resumed>)        = 18
[pid  1499] <... clone3 resumed> => {parent_tid=[1502]}, 88) = 1502
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1502] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1501] <... prctl resumed>)        = 0
[pid  1500] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1499] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1502] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1501] setpgid(0, 0 <unfinished ...>
[pid  1500] <... futex resumed>)        = 0
[pid  1499] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1502] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1501] <... setpgid resumed>)      = 0
[pid  1500] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
executing program
[pid  1499] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1502] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 1503 attached
[pid  1502] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1500] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1499] <... futex resumed>)        = 0
[pid  1503] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1502] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1503] <... set_robust_list resumed>) = 0
[pid  1502] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1501] <... openat resumed>)       = 3
[pid  1500] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1499] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1503
[pid  1502] <... futex resumed>)        = 0
[pid  1501] write(3, "1000", 4 <unfinished ...>
[pid  1500] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1499] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1502] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1501] <... write resumed>)        = 4
[pid  1500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1499] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1503] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1502] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1501] close(3 <unfinished ...>
[pid  1499] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1503] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1502] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1501] <... close resumed>)        = 0
[pid  1500] <... mmap resumed>)         = 0x7fb4de009000
[pid  1499] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1502] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1501] write(1, "executing program\n", 18 <unfinished ...>
[pid  1500] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1503] setpgid(0, 0 <unfinished ...>
[pid  1502] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1501] <... write resumed>)        = 18
[pid  1503] <... setpgid resumed>)      = 0
[pid  1502] <... futex resumed>)        = 1
[pid  1500] <... mprotect resumed>)     = 0
[pid  1499] <... futex resumed>)        = 0
[pid  1501] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1499] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1502] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1501] <... futex resumed>)        = 0
[pid  1499] <... futex resumed>)        = 0
[pid  1503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1499] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
executing program
[pid  1502] <... openat resumed>)       = 3
[pid  1501] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1500] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1503] <... openat resumed>)       = 3
[pid  1502] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1501] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1500] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1503] write(3, "1000", 4 <unfinished ...>
[pid  1502] <... futex resumed>)        = 1
[pid  1501] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1499] <... futex resumed>)        = 0
[pid  1501] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1501] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 1504 attached
 <unfinished ...>
[pid  1503] <... write resumed>)        = 4
[pid  1502] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1501] <... mmap resumed>)         = 0x7fb4de009000
[pid  1499] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1504] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1503] close(3 <unfinished ...>
[pid  1502] <... write resumed>)        = 2
[pid  1501] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1500] <... clone3 resumed> => {parent_tid=[1504]}, 88) = 1504
[pid  1499] <... futex resumed>)        = 0
[pid  1504] <... set_robust_list resumed>) = 0
[pid  1503] <... close resumed>)        = 0
[pid  1502] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1501] <... mprotect resumed>)     = 0
[pid  1500] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1499] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1504] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1502] <... futex resumed>)        = 0
[pid  1501] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1500] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1499] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1504] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1503] write(1, "executing program\n", 18 <unfinished ...>
[pid  1502] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1501] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1500] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1499] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1504] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1503] <... write resumed>)        = 18
[pid  1502] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1501] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1500] <... futex resumed>)        = 0
[pid  1499] <... futex resumed>)        = 0
[pid  1504] <... mkdirat resumed>)      = -1 EEXIST (File exists)
executing program
[pid  1503] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1502] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLYci2-android-6-12-rust/strace-static-x86_64: Process 1505 attached
 <unfinished ...>
[pid  1504] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1503] <... futex resumed>)        = 0
[pid  1500] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1499] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1504] <... futex resumed>)        = 0
[pid  1502] <... openat resumed>)       = 4
[pid  1504] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1503] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1502] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1501] <... clone3 resumed> => {parent_tid=[1505]}, 88) = 1505
[pid  1500] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1503] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1502] <... futex resumed>)        = 1
[pid  1501] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1500] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1499] <... futex resumed>)        = 0
[pid  1504] <... futex resumed>)        = 0
[pid  1503] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1502] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1501] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1500] <... futex resumed>)        = 1
[pid  1504] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1503] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1501] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1500] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1499] exit_group(0 <unfinished ...>
[pid  1505] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1504] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1503] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1502] <... futex resumed>)        = ?
[pid  1501] <... futex resumed>)        = 0
[pid  1499] <... exit_group resumed>)   = ?
[pid  1505] <... set_robust_list resumed>) = 0
[pid  1504] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1503] <... mmap resumed>)         = 0x7fb4de009000
[pid  1502] +++ exited with 0 +++
[pid  1501] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1505] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1505] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  1505] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1499] +++ exited with 0 +++
[pid  1504] <... futex resumed>)        = 1
[pid  1503] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1501] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1500] <... futex resumed>)        = 0
[pid  1505] <... futex resumed>)        = 0
[pid  1504] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1503] <... mprotect resumed>)     = 0
[pid  1501] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1500] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1499, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1505] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1504] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1503] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1501] <... futex resumed>)        = 0
[pid  1500] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1505] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1504] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1503] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1501] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1500] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1505] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1504] <... openat resumed>)       = 3
[pid  1503] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1501] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1505] <... futex resumed>)        = 0
[pid  1504] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1501] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1506 attached
 <unfinished ...>
[pid  1505] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1504] <... futex resumed>)        = 1
[pid  1501] <... futex resumed>)        = 0
[pid  1500] <... futex resumed>)        = 0
[pid  1506] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1505] <... openat resumed>)       = 3
[pid  1506] <... set_robust_list resumed>) = 0
[pid  1505] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1504] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1503] <... clone3 resumed> => {parent_tid=[1506]}, 88) = 1506
[pid  1501] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1500] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1506] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1505] <... futex resumed>)        = 0
[pid  1504] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1503] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1501] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1500] <... futex resumed>)        = 0
[pid  1506] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1505] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1504] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1503] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1501] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1500] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1506] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1505] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1504] <... write resumed>)        = 2
[pid  1506] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1505] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1503] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1501] <... futex resumed>)        = 0
[pid  1505] <... write resumed>)        = 2
[pid  1504] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1506] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1505] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1503] <... futex resumed>)        = 0
[pid  1501] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1506] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1505] <... futex resumed>)        = 0
[pid  1504] <... futex resumed>)        = 1
[pid  1501] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1500] <... futex resumed>)        = 0
[pid  1503] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1506] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1505] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1504] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1503] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1501] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1500] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1506] <... futex resumed>)        = 0
[pid  1505] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1504] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1503] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1501] <... futex resumed>)        = 0
[pid  1500] <... futex resumed>)        = 0
[pid  1506] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1505] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1504] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1503] <... futex resumed>)        = 0
[pid  1501] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1506] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1505] <... openat resumed>)       = 4
[pid  1500] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1505] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1504] <... openat resumed>)       = 4
[pid  1503] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1506] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1505] <... futex resumed>)        = 0
[pid  1501] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1506] <... futex resumed>)        = 0
[pid  1505] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1504] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1503] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1506] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1501] exit_group(0 <unfinished ...>
[pid  1503] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1506] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1503] <... futex resumed>)        = 0
[pid  1506] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1504] <... futex resumed>)        = 1
[pid  1501] <... exit_group resumed>)   = ?
[pid  1500] <... futex resumed>)        = 0
[pid  1503] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1506] <... openat resumed>)       = 3
[pid  1505] <... futex resumed>)        = ?
[pid  1504] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1506] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1505] +++ exited with 0 +++
[pid  1503] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1500] exit_group(0 <unfinished ...>
[pid  1506] <... futex resumed>)        = 0
[pid  1503] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1501] +++ exited with 0 +++
[pid  1500] <... exit_group resumed>)   = ?
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1506] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1504] <... futex resumed>)        = ?
[pid  1503] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1501, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 1507 attached
[pid  1506] <... write resumed>)        = 2
[pid  1504] +++ exited with 0 +++
[pid  1503] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1500] +++ exited with 0 +++
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1507] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1506] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1503] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1507] <... set_robust_list resumed>) = 0
[pid  1506] <... futex resumed>)        = 0
[pid  1503] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1507] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1506] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1503] <... futex resumed>)        = 0
[pid  1507] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1506] <... openat resumed>)       = 4
[pid  1503] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1507
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1500, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1507] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1506] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1503] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1507] <... prctl resumed>)        = 0
[pid  1506] <... futex resumed>)        = 0
[pid  1503] exit_group(0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1507] setpgid(0, 0 <unfinished ...>
[pid  1503] <... exit_group resumed>)   = ?
[pid  1507] <... setpgid resumed>)      = 0
[pid  1506] +++ exited with 0 +++
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1508 attached
 <unfinished ...>
[pid  1507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1503] +++ exited with 0 +++
[pid  1508] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1507] <... openat resumed>)       = 3
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1508
[pid  1508] <... set_robust_list resumed>) = 0
[pid  1507] write(3, "1000", 4 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1503, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1508] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1507] <... write resumed>)        = 4
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1508] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1507] close(3 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1508] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1507] <... close resumed>)        = 0
[pid  1508] <... prctl resumed>)        = 0
[pid  1507] write(1, "executing program\n", 18 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  1508] setpgid(0, 0 <unfinished ...>
[pid  1507] <... write resumed>)        = 18
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1508] <... setpgid resumed>)      = 0
[pid  1507] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1509 attached
 <unfinished ...>
[pid  1508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1507] <... futex resumed>)        = 0
[pid  1509] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1507] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1508] <... openat resumed>)       = 3
[pid  1507] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1509] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1508] write(3, "1000", 4 <unfinished ...>
[pid  1507] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1509
[pid  1509] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1508] <... write resumed>)        = 4
[pid  1507] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1509] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1508] close(3 <unfinished ...>
[pid  1507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1509] <... prctl resumed>)        = 0
[pid  1508] <... close resumed>)        = 0
[pid  1507] <... mmap resumed>)         = 0x7fb4de009000
[pid  1509] setpgid(0, 0 <unfinished ...>
[pid  1508] write(1, "executing program\n", 18 <unfinished ...>
[pid  1507] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1509] <... setpgid resumed>)      = 0
[pid  1507] <... mprotect resumed>)     = 0
[pid  1508] <... write resumed>)        = 18
executing program
[pid  1509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1508] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1507] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1509] <... openat resumed>)       = 3
[pid  1508] <... futex resumed>)        = 0
[pid  1507] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1509] write(3, "1000", 4 <unfinished ...>
[pid  1508] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1507] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1509] <... write resumed>)        = 4
[pid  1508] <... rt_sigaction resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1510 attached
[pid  1507] <... clone3 resumed> => {parent_tid=[1510]}, 88) = 1510
[pid  1507] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1509] close(3 <unfinished ...>
[pid  1508] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1510] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1509] <... close resumed>)        = 0
[pid  1508] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1511
[pid  1510] <... set_robust_list resumed>) = 0
[pid  1509] write(1, "executing program\n", 18 <unfinished ...>
[pid  1508] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1510] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1508] <... mmap resumed>)         = 0x7fb4de009000
[pid  1509] <... write resumed>)        = 18
[pid  1510] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1508] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1510] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1509] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1508] <... mprotect resumed>)     = 0
executing program
[pid  1509] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}ci2-android-6-12-rust/strace-static-x86_64: Process 1511 attached
, NULL, 8) = 0
[pid  1508] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1507] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1511] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1510] <... futex resumed>)        = 0
[pid  1509] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1508] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1507] <... futex resumed>)        = 1
[pid  1511] <... set_robust_list resumed>) = 0
[pid  1510] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1509] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1508] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1507] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1511] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1510] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 1512 attached
 <unfinished ...>
[pid  1511] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1510] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1512] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1509] <... mmap resumed>)         = 0x7fb4de009000
[pid  1511] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1512] <... set_robust_list resumed>) = 0
[pid  1510] <... futex resumed>)        = 1
[pid  1509] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1508] <... clone3 resumed> => {parent_tid=[1512]}, 88) = 1512
[pid  1507] <... futex resumed>)        = 0
[pid  1512] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1511] <... prctl resumed>)        = 0
[pid  1510] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1509] <... mprotect resumed>)     = 0
[pid  1508] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1507] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1512] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1511] setpgid(0, 0 <unfinished ...>
[pid  1510] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1508] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1507] <... futex resumed>)        = 0
[pid  1512] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1511] <... setpgid resumed>)      = 0
[pid  1510] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1509] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1508] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1507] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1512] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1510] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1509] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1512] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1508] <... futex resumed>)        = 0
[pid  1511] <... openat resumed>)       = 3
[pid  1512] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1509] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1512] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1511] write(3, "1000", 4 <unfinished ...>
[pid  1510] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1508] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1512] <... futex resumed>)        = 0
[pid  1511] <... write resumed>)        = 4
ci2-android-6-12-rust/strace-static-x86_64: Process 1513 attached
[pid  1512] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1511] close(3 <unfinished ...>
[pid  1510] <... futex resumed>)        = 1
[pid  1508] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1507] <... futex resumed>)        = 0
[pid  1513] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1511] <... close resumed>)        = 0
[pid  1510] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1509] <... clone3 resumed> => {parent_tid=[1513]}, 88) = 1513
[pid  1508] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1507] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1513] <... set_robust_list resumed>) = 0
[pid  1512] <... futex resumed>)        = 0
[pid  1511] write(1, "executing program\n", 18 <unfinished ...>
[pid  1510] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1509] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1508] <... futex resumed>)        = 1
[pid  1507] <... futex resumed>)        = 0
executing program
[pid  1513] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1512] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1511] <... write resumed>)        = 18
[pid  1510] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1509] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1508] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1507] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1512] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1511] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1513] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1510] <... openat resumed>)       = 3
[pid  1509] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1512] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1511] <... futex resumed>)        = 0
[pid  1513] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1512] <... futex resumed>)        = 1
[pid  1511] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1510] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1509] <... futex resumed>)        = 0
[pid  1508] <... futex resumed>)        = 0
[pid  1513] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1512] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1511] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1510] <... futex resumed>)        = 1
[pid  1509] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1508] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1507] <... futex resumed>)        = 0
[pid  1513] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1512] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1511] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1510] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1509] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1508] <... futex resumed>)        = 0
[pid  1507] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1513] <... futex resumed>)        = 0
[pid  1512] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1511] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1510] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1509] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1508] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1507] <... futex resumed>)        = 0
[pid  1513] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1512] <... openat resumed>)       = 3
[pid  1511] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1510] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1509] <... futex resumed>)        = 0
[pid  1507] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1513] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1512] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1511] <... mmap resumed>)         = 0x7fb4de009000
[pid  1510] <... write resumed>)        = 2
[pid  1509] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1513] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1512] <... futex resumed>)        = 1
[pid  1511] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1510] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1509] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1508] <... futex resumed>)        = 0
[pid  1513] <... futex resumed>)        = 0
[pid  1512] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1508] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1511] <... mprotect resumed>)     = 0
[pid  1510] <... futex resumed>)        = 1
[pid  1509] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1508] <... futex resumed>)        = 0
[pid  1507] <... futex resumed>)        = 0
[pid  1513] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1512] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1511] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1510] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1509] <... futex resumed>)        = 0
[pid  1508] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1507] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1513] <... openat resumed>)       = 3
[pid  1512] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1511] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1510] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1509] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1507] <... futex resumed>)        = 0
[pid  1513] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1512] <... write resumed>)        = 2
[pid  1511] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1510] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1509] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1507] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1513] <... futex resumed>)        = 0
[pid  1512] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1514 attached
 <unfinished ...>
[pid  1510] <... openat resumed>)       = 4
[pid  1509] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1513] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1514] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1512] <... futex resumed>)        = 1
[pid  1510] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1509] <... futex resumed>)        = 0
[pid  1508] <... futex resumed>)        = 0
[pid  1513] <... write resumed>)        = 2
[pid  1514] <... set_robust_list resumed>) = 0
[pid  1512] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1513] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1511] <... clone3 resumed> => {parent_tid=[1514]}, 88) = 1514
[pid  1510] <... futex resumed>)        = 1
[pid  1509] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1508] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1507] <... futex resumed>)        = 0
[pid  1514] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1513] <... futex resumed>)        = 0
[pid  1512] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1511] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1510] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1509] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1514] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1513] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1512] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1511] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1509] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1508] <... futex resumed>)        = 0
[pid  1514] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1513] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1511] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1513] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1514] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1512] <... openat resumed>)       = 4
[pid  1511] <... futex resumed>)        = 0
[pid  1509] <... futex resumed>)        = 0
[pid  1508] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1514] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1513] <... openat resumed>)       = 4
[pid  1509] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1514] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1512] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1511] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1514] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1513] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1512] <... futex resumed>)        = 1
[pid  1508] <... futex resumed>)        = 0
[pid  1511] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1514] <... futex resumed>)        = 0
[pid  1513] <... futex resumed>)        = 1
[pid  1512] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1509] <... futex resumed>)        = 0
[pid  1514] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1513] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1511] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1508] exit_group(0 <unfinished ...>
[pid  1511] <... futex resumed>)        = 0
[pid  1509] exit_group(0 <unfinished ...>
[pid  1514] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1513] <... futex resumed>)        = ?
[pid  1512] <... futex resumed>)        = ?
[pid  1511] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1509] <... exit_group resumed>)   = ?
[pid  1508] <... exit_group resumed>)   = ?
[pid  1507] exit_group(0 <unfinished ...>
[pid  1514] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1513] +++ exited with 0 +++
[pid  1512] +++ exited with 0 +++
[pid  1511] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1510] <... futex resumed>)        = ?
[pid  1507] <... exit_group resumed>)   = ?
[pid  1510] +++ exited with 0 +++
[pid  1509] +++ exited with 0 +++
[pid  1507] +++ exited with 0 +++
[pid  1514] <... futex resumed>)        = 0
[pid  1511] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1508] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1509, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1514] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1511] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1507, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1508, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1514] <... openat resumed>)       = 3
[pid  1511] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1514] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1511] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1514] <... futex resumed>)        = 0
[pid  1511] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1515 attached
 <unfinished ...>
[pid  1514] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1511] <... futex resumed>)        = 0
[pid  1515] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1514] <... write resumed>)        = 2
[pid  1511] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1515] <... set_robust_list resumed>) = 0
[pid  1514] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1511] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1515] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1514] <... futex resumed>)        = 0
[pid  1511] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1515] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1514] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1511] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1515
[pid   313] <... restart_syscall resumed>) = 0
[pid  1515] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1514] <... openat resumed>)       = 4
[pid  1511] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1515] <... prctl resumed>)        = 0
[pid  1514] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1511] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1515] setpgid(0, 0 <unfinished ...>
[pid  1514] <... futex resumed>)        = 0
[pid  1515] <... setpgid resumed>)      = 0
[pid  1514] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1511] exit_group(0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1514] <... futex resumed>)        = ?
[pid  1511] <... exit_group resumed>)   = ?
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1515] <... openat resumed>)       = 3
[pid  1514] +++ exited with 0 +++
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1516 attached
 <unfinished ...>
[pid  1515] write(3, "1000", 4 <unfinished ...>
[pid  1511] +++ exited with 0 +++
[pid  1516] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1515] <... write resumed>)        = 4
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1511, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1516] <... set_robust_list resumed>) = 0
[pid  1515] close(3 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1516] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1515] <... close resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1516] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1515] write(1, "executing program\n", 18 <unfinished ...>
[pid  1516] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1515] <... write resumed>)        = 18
executing program
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1516
ci2-android-6-12-rust/strace-static-x86_64: Process 1517 attached
[pid  1516] <... prctl resumed>)        = 0
[pid  1515] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1517] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1516] setpgid(0, 0 <unfinished ...>
[pid  1515] <... futex resumed>)        = 0
[pid  1517] <... set_robust_list resumed>) = 0
[pid  1516] <... setpgid resumed>)      = 0
[pid  1515] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1517] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1515] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1517
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1517] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1516] <... openat resumed>)       = 3
[pid  1515] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1517] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1516] write(3, "1000", 4 <unfinished ...>
[pid  1515] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1517] <... prctl resumed>)        = 0
[pid  1516] <... write resumed>)        = 4
[pid  1515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1517] setpgid(0, 0 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1517] <... setpgid resumed>)      = 0
[pid  1516] close(3 <unfinished ...>
[pid  1515] <... mmap resumed>)         = 0x7fb4de009000
[pid  1517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1516] <... close resumed>)        = 0
[pid  1515] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1517] <... openat resumed>)       = 3
[pid  1516] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1517] write(3, "1000", 4 <unfinished ...>
[pid  1516] <... write resumed>)        = 18
[pid  1515] <... mprotect resumed>)     = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1517] <... write resumed>)        = 4
[pid  1516] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1515] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1518 attached
 <unfinished ...>
[pid  1517] close(3 <unfinished ...>
[pid  1516] <... futex resumed>)        = 0
[pid  1515] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1518] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1517] <... close resumed>)        = 0
[pid  1516] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1515] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1518
ci2-android-6-12-rust/strace-static-x86_64: Process 1519 attached
[pid  1518] <... set_robust_list resumed>) = 0
[pid  1517] write(1, "executing program\n", 18 <unfinished ...>
[pid  1516] <... rt_sigaction resumed>, NULL, 8) = 0
executing program
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1519] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1518] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1517] <... write resumed>)        = 18
[pid  1516] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1515] <... clone3 resumed> => {parent_tid=[1519]}, 88) = 1519
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1519] <... set_robust_list resumed>) = 0
[pid  1518] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1517] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1516] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1515] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1519] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1518] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1517] <... futex resumed>)        = 0
[pid  1519] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1516] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1515] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1519] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1518] <... prctl resumed>)        = 0
[pid  1517] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1519] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1518] setpgid(0, 0 <unfinished ...>
[pid  1516] <... mmap resumed>)         = 0x7fb4de009000
[pid  1517] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1515] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1519] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1518] <... setpgid resumed>)      = 0
[pid  1517] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1515] <... futex resumed>)        = 0
[pid  1516] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1519] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1517] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1515] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1517] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1516] <... mprotect resumed>)     = 0
[pid  1519] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1518] <... openat resumed>)       = 3
[pid  1517] <... mmap resumed>)         = 0x7fb4de009000
[pid  1516] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1515] <... futex resumed>)        = 0
[pid  1519] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1518] write(3, "1000", 4 <unfinished ...>
[pid  1517] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1516] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1515] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1519] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1518] <... write resumed>)        = 4
[pid  1517] <... mprotect resumed>)     = 0
[pid  1516] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1519] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1518] close(3 <unfinished ...>
[pid  1515] <... futex resumed>)        = 0
[pid  1517] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1520 attached
 <unfinished ...>
[pid  1519] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1518] <... close resumed>)        = 0
[pid  1520] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1515] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1517] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1520] <... set_robust_list resumed>) = 0
[pid  1519] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1518] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  1520] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1519] <... futex resumed>)        = 1
[pid  1518] <... write resumed>)        = 18
[pid  1517] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1516] <... clone3 resumed> => {parent_tid=[1520]}, 88) = 1520
[pid  1515] <... futex resumed>)        = 0
[pid  1520] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1519] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1518] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1516] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1515] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1521 attached
 <unfinished ...>
[pid  1520] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1519] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1518] <... futex resumed>)        = 0
[pid  1516] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1515] <... futex resumed>)        = 0
[pid  1521] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1519] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1518] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1517] <... clone3 resumed> => {parent_tid=[1521]}, 88) = 1521
[pid  1516] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1515] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1521] <... set_robust_list resumed>) = 0
[pid  1520] <... futex resumed>)        = 0
[pid  1519] <... openat resumed>)       = 3
[pid  1518] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1517] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1516] <... futex resumed>)        = 1
[pid  1521] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1520] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1519] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1518] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1517] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1516] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1521] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1520] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1519] <... futex resumed>)        = 1
[pid  1518] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1517] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1515] <... futex resumed>)        = 0
[pid  1521] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1520] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1519] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1518] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1517] <... futex resumed>)        = 0
[pid  1521] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1520] <... futex resumed>)        = 1
[pid  1519] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1516] <... futex resumed>)        = 0
[pid  1515] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1518] <... mmap resumed>)         = 0x7fb4de009000
[pid  1520] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1517] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1521] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1520] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1519] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1521] <... futex resumed>)        = 0
[pid  1518] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1517] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1516] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1515] <... futex resumed>)        = 0
[pid  1521] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1520] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1519] <... write resumed>)        = 2
[pid  1517] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1518] <... mprotect resumed>)     = 0
[pid  1516] <... futex resumed>)        = 0
[pid  1515] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1521] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1520] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1519] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1517] <... futex resumed>)        = 0
[pid  1515] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1521] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1520] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1519] <... futex resumed>)        = 0
[pid  1518] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1517] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1516] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1521] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1520] <... futex resumed>)        = 0
[pid  1519] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1518] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1516] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1515] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1521] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1520] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1519] <... openat resumed>)       = 4
[pid  1518] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1516] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1522 attached
 <unfinished ...>
[pid  1521] <... futex resumed>)        = 1
[pid  1520] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1519] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1517] <... futex resumed>)        = 0
[pid  1516] <... futex resumed>)        = 0
[pid  1515] <... futex resumed>)        = 0
[pid  1522] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1521] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1520] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1519] <... futex resumed>)        = 0
[pid  1518] <... clone3 resumed> => {parent_tid=[1522]}, 88) = 1522
[pid  1517] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1516] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1515] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1522] <... set_robust_list resumed>) = 0
[pid  1521] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1520] <... openat resumed>)       = 3
[pid  1519] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1518] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1517] <... futex resumed>)        = 0
[pid  1515] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1522] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1521] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1520] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1518] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1522] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1517] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1515] exit_group(0 <unfinished ...>
[pid  1522] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1521] <... openat resumed>)       = 3
[pid  1520] <... futex resumed>)        = 1
[pid  1518] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1516] <... futex resumed>)        = 0
[pid  1522] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1521] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1520] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1519] <... futex resumed>)        = ?
[pid  1518] <... futex resumed>)        = 0
[pid  1516] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1515] <... exit_group resumed>)   = ?
[pid  1522] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1521] <... futex resumed>)        = 1
[pid  1520] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1518] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1517] <... futex resumed>)        = 0
[pid  1519] +++ exited with 0 +++
[pid  1516] <... futex resumed>)        = 0
[pid  1522] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1522] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1515] +++ exited with 0 +++
[pid  1521] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1520] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1516] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1517] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1521] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1520] <... write resumed>)        = 2
[pid  1518] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1521] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1520] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1517] <... futex resumed>)        = 0
[pid  1518] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1521] <... write resumed>)        = 2
[pid  1520] <... futex resumed>)        = 1
[pid  1517] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1518] <... futex resumed>)        = 0
[pid  1516] <... futex resumed>)        = 0
[pid  1521] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1520] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1518] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1517] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1516] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1521] <... futex resumed>)        = 0
[pid  1520] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1517] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1516] <... futex resumed>)        = 0
[pid  1521] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1520] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1517] <... futex resumed>)        = 0
[pid  1516] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1522] <... futex resumed>)        = 1
[pid  1521] <... openat resumed>)       = 4
[pid  1520] <... openat resumed>)       = 4
[pid  1517] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1522] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1521] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1520] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1518] <... futex resumed>)        = 0
[pid  1517] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1515, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1522] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1521] <... futex resumed>)        = 0
[pid  1520] <... futex resumed>)        = 1
[pid  1518] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=48000000} <unfinished ...>
[pid  1517] exit_group(0 <unfinished ...>
[pid  1516] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1522] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1520] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1518] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1517] <... exit_group resumed>)   = ?
[pid  1516] exit_group(0 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1522] <... futex resumed>)        = 0
[pid  1521] +++ exited with 0 +++
[pid  1518] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1522] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1522] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1520] <... futex resumed>)        = ?
[pid  1518] <... futex resumed>)        = 0
[pid  1517] +++ exited with 0 +++
[pid  1516] <... exit_group resumed>)   = ?
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1522] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1517, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 1523 attached
[pid  1522] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1520] +++ exited with 0 +++
[pid  1518] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1516] +++ exited with 0 +++
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1523] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1518] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1516, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1523] <... set_robust_list resumed>) = 0
[pid  1518] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1523
[pid  1523] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1522] <... futex resumed>)        = 0
[pid  1518] <... futex resumed>)        = 1
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1523] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1522] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1518] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1523] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1522] <... write resumed>)        = 2
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1523] <... prctl resumed>)        = 0
[pid  1522] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1523] setpgid(0, 0 <unfinished ...>
[pid  1522] <... futex resumed>)        = 1
[pid  1518] <... futex resumed>)        = 0
[pid  1523] <... setpgid resumed>)      = 0
[pid  1522] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1522] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1518] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1522] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1523] <... openat resumed>)       = 3
[pid  1522] <... openat resumed>)       = 4
[pid  1518] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1523] write(3, "1000", 4 <unfinished ...>
[pid  1518] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1523] <... write resumed>)        = 4
[pid  1522] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1523] close(3 <unfinished ...>
[pid  1522] <... futex resumed>)        = 1
[pid  1518] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1523] <... close resumed>)        = 0
[pid  1522] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1518] exit_group(0 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1523] write(1, "executing program\n", 18 <unfinished ...>
[pid  1522] <... futex resumed>)        = ?
[pid  1518] <... exit_group resumed>)   = ?
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
executing program
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1523] <... write resumed>)        = 18
[pid  1522] +++ exited with 0 +++
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1525 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1524 attached
 <unfinished ...>
[pid  1523] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1518] +++ exited with 0 +++
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1524
[pid  1525] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1524] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1523] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1525
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1518, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1525] <... set_robust_list resumed>) = 0
[pid  1524] <... set_robust_list resumed>) = 0
[pid  1523] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1525] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1524] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1523] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1525] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1524] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1523] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1525] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1524] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1523] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1525] <... prctl resumed>)        = 0
[pid  1524] <... prctl resumed>)        = 0
[pid  1523] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1525] setpgid(0, 0 <unfinished ...>
[pid  1524] setpgid(0, 0 <unfinished ...>
[pid  1523] <... mmap resumed>)         = 0x7fb4de009000
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1525] <... setpgid resumed>)      = 0
[pid  1524] <... setpgid resumed>)      = 0
[pid  1523] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1526 attached
 <unfinished ...>
[pid  1525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1523] <... mprotect resumed>)     = 0
[pid  1526] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1525] <... openat resumed>)       = 3
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1526
[pid  1526] <... set_robust_list resumed>) = 0
[pid  1525] write(3, "1000", 4 <unfinished ...>
[pid  1524] <... openat resumed>)       = 3
[pid  1523] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1526] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1525] <... write resumed>)        = 4
[pid  1524] write(3, "1000", 4 <unfinished ...>
[pid  1523] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1526] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1525] close(3 <unfinished ...>
[pid  1524] <... write resumed>)        = 4
[pid  1523] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1525] <... close resumed>)        = 0
[pid  1524] close(3ci2-android-6-12-rust/strace-static-x86_64: Process 1527 attached
 <unfinished ...>
[pid  1526] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1525] write(1, "executing program\n", 18 <unfinished ...>
[pid  1524] <... close resumed>)        = 0
[pid  1523] <... clone3 resumed> => {parent_tid=[1527]}, 88) = 1527
[pid  1527] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1526] <... prctl resumed>)        = 0
[pid  1525] <... write resumed>)        = 18
[pid  1524] write(1, "executing program\n", 18 <unfinished ...>
[pid  1523] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1527] <... set_robust_list resumed>) = 0
[pid  1526] setpgid(0, 0 <unfinished ...>
[pid  1525] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1524] <... write resumed>)        = 18
[pid  1523] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1527] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1526] <... setpgid resumed>)      = 0
[pid  1525] <... futex resumed>)        = 0
[pid  1524] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1527] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1523] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1525] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1523] <... futex resumed>)        = 0
[pid  1524] <... futex resumed>)        = 0
[pid  1527] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1525] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1527] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1525] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1527] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1524] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
executing program
executing program
[pid  1523] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1527] <... futex resumed>)        = 0
[pid  1526] <... openat resumed>)       = 3
[pid  1525] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1524] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1527] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1526] write(3, "1000", 4 <unfinished ...>
[pid  1525] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1524] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1523] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1526] <... write resumed>)        = 4
[pid  1525] <... mmap resumed>)         = 0x7fb4de009000
[pid  1524] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1523] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1527] <... futex resumed>)        = 0
[pid  1526] close(3 <unfinished ...>
[pid  1525] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1523] <... futex resumed>)        = 1
[pid  1527] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1526] <... close resumed>)        = 0
[pid  1525] <... mprotect resumed>)     = 0
[pid  1524] <... mmap resumed>)         = 0x7fb4de009000
[pid  1523] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1526] write(1, "executing program\n", 18 <unfinished ...>
[pid  1525] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1526] <... write resumed>)        = 18
[pid  1525] <... rt_sigprocmask resumed>, [], 8) = 0
executing program
[pid  1524] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1526] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1525] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1527] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1526] <... futex resumed>)        = 0
[pid  1524] <... mprotect resumed>)     = 0
[pid  1527] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1526] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1524] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1528 attached
 <unfinished ...>
[pid  1527] <... futex resumed>)        = 1
[pid  1526] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1524] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1523] <... futex resumed>)        = 0
[pid  1528] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1527] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1526] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1525] <... clone3 resumed> => {parent_tid=[1528]}, 88) = 1528
[pid  1524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1523] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1528] <... set_robust_list resumed>) = 0
[pid  1527] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1526] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1525] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1529 attached
 <unfinished ...>
[pid  1528] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1527] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1526] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1525] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1523] <... futex resumed>)        = 0
[pid  1529] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1528] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1526] <... mmap resumed>)         = 0x7fb4de009000
[pid  1525] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1523] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1529] <... set_robust_list resumed>) = 0
[pid  1526] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1525] <... futex resumed>)        = 0
[pid  1527] <... openat resumed>)       = 3
[pid  1526] <... mprotect resumed>)     = 0
[pid  1525] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1529] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1528] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1527] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1526] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1524] <... clone3 resumed> => {parent_tid=[1529]}, 88) = 1529
[pid  1529] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1528] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1527] <... futex resumed>)        = 1
[pid  1526] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1524] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1523] <... futex resumed>)        = 0
[pid  1529] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1528] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1527] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1526] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1524] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1523] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1528] <... futex resumed>)        = 1
[pid  1527] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1525] <... futex resumed>)        = 0
[pid  1524] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1523] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1530 attached
[pid  1529] <... futex resumed>)        = 0
[pid  1528] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1527] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1526] <... clone3 resumed> => {parent_tid=[1530]}, 88) = 1530
[pid  1525] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1524] <... futex resumed>)        = 1
[pid  1523] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1530] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1529] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1528] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1527] <... write resumed>)        = 2
[pid  1526] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1525] <... futex resumed>)        = 0
[pid  1524] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1530] <... set_robust_list resumed>) = 0
[pid  1529] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1528] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1527] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1526] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1525] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1530] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1529] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1527] <... futex resumed>)        = 1
[pid  1523] <... futex resumed>)        = 0
[pid  1530] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1529] <... futex resumed>)        = 1
[pid  1528] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1527] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1526] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1524] <... futex resumed>)        = 0
[pid  1523] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1530] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1529] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1528] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1527] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1526] <... futex resumed>)        = 0
[pid  1524] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1530] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1529] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1528] <... futex resumed>)        = 1
[pid  1527] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1525] <... futex resumed>)        = 0
[pid  1523] <... futex resumed>)        = 0
[pid  1530] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1529] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1528] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1526] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1525] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1524] <... futex resumed>)        = 0
[pid  1530] <... futex resumed>)        = 0
[pid  1529] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1528] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1527] <... openat resumed>)       = 4
[pid  1526] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1525] <... futex resumed>)        = 0
[pid  1523] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1524] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1530] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1529] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1528] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1527] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1526] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1525] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1523] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1524] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1530] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1529] <... futex resumed>)        = 0
[pid  1528] <... openat resumed>)       = 3
[pid  1527] <... futex resumed>)        = 0
[pid  1526] <... futex resumed>)        = 0
[pid  1523] exit_group(0 <unfinished ...>
[pid  1530] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1529] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1528] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1526] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1524] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1523] <... exit_group resumed>)   = ?
[pid  1530] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1529] <... openat resumed>)       = 3
[pid  1528] <... futex resumed>)        = 1
[pid  1527] +++ exited with 0 +++
[pid  1525] <... futex resumed>)        = 0
[pid  1524] <... futex resumed>)        = 0
[pid  1530] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1523] +++ exited with 0 +++
[pid  1530] <... futex resumed>)        = 1
[pid  1529] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1528] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1525] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1524] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1523, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1530] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1529] <... futex resumed>)        = 0
[pid  1528] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1526] <... futex resumed>)        = 0
[pid  1525] <... futex resumed>)        = 0
[pid  1524] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1529] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1528] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1526] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1525] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1524] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1530] <... futex resumed>)        = 0
[pid  1529] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1528] <... write resumed>)        = 2
[pid  1526] <... futex resumed>)        = 1
[pid  1530] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1529] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1528] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1526] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1524] <... futex resumed>)        = 0
[pid  1530] <... openat resumed>)       = 3
[pid  1529] <... write resumed>)        = 2
[pid  1528] <... futex resumed>)        = 1
[pid  1525] <... futex resumed>)        = 0
[pid  1529] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1528] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1524] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1525] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1529] <... futex resumed>)        = 0
[pid  1528] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1525] <... futex resumed>)        = 0
[pid  1524] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1529] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1528] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1525] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1524] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1529] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1530] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1529] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1528] <... openat resumed>)       = 4
[pid  1524] <... futex resumed>)        = 0
[pid  1530] <... futex resumed>)        = 1
[pid  1526] <... futex resumed>)        = 0
[pid  1530] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1529] <... openat resumed>)       = 4
[pid  1528] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1526] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1524] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1530] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1529] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1528] <... futex resumed>)        = 1
[pid  1526] <... futex resumed>)        = 0
[pid  1525] <... futex resumed>)        = 0
[pid  1530] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1529] <... futex resumed>)        = 0
[pid  1528] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1526] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1524] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1530] <... write resumed>)        = 2
[pid  1529] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1525] exit_group(0 <unfinished ...>
[pid  1530] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1524] exit_group(0 <unfinished ...>
[pid  1530] <... futex resumed>)        = 1
[pid  1528] <... futex resumed>)        = ?
[pid  1526] <... futex resumed>)        = 0
[pid  1525] <... exit_group resumed>)   = ?
[pid  1524] <... exit_group resumed>)   = ?
[pid  1530] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1529] <... futex resumed>)        = ?
[pid  1528] +++ exited with 0 +++
[pid  1526] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1530] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1526] <... futex resumed>)        = 0
[pid  1530] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1526] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1530] <... openat resumed>)       = 4
[pid  1525] +++ exited with 0 +++
[pid  1530] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1525, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1530] <... futex resumed>)        = 1
[pid  1526] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1530] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1529] +++ exited with 0 +++
[pid  1526] exit_group(0 <unfinished ...>
[pid  1524] +++ exited with 0 +++
[pid   314] <... restart_syscall resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557716c690) = 1531
ci2-android-6-12-rust/strace-static-x86_64: Process 1531 attached
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1526] <... exit_group resumed>)   = ?
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1524, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1531] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1530] <... futex resumed>)        = ?
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1531] <... set_robust_list resumed>) = 0
[pid  1530] +++ exited with 0 +++
[pid  1526] +++ exited with 0 +++
[pid  1531] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1526, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1531] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1531] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1531] <... prctl resumed>)        = 0
[pid  1531] setpgid(0, 0 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1531] <... setpgid resumed>)      = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1532 attached
 <unfinished ...>
[pid  1531] <... openat resumed>)       = 3
[pid  1532] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1532
[pid  1532] <... set_robust_list resumed>) = 0
[pid  1531] write(3, "1000", 4 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1532] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1531] <... write resumed>)        = 4
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1532] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1531] close(3 <unfinished ...>
[pid  1532] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1531] <... close resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1532] <... prctl resumed>)        = 0
[pid  1531] write(1, "executing program\n", 18 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1532] setpgid(0, 0 <unfinished ...>
[pid  1531] <... write resumed>)        = 18
[pid  1532] <... setpgid resumed>)      = 0
executing program
[pid  1532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1531] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1533 attached
 <unfinished ...>
[pid  1532] <... openat resumed>)       = 3
[pid  1531] <... futex resumed>)        = 0
[pid  1533] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1532] write(3, "1000", 4 <unfinished ...>
[pid  1533] <... set_robust_list resumed>) = 0
[pid  1531] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1532] <... write resumed>)        = 4
[pid  1531] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1533] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1532] close(3 <unfinished ...>
[pid  1531] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1533] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1532] <... close resumed>)        = 0
[pid  1531] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1533] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1532] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  1531] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1533
[pid  1533] <... prctl resumed>)        = 0
[pid  1532] <... write resumed>)        = 18
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1533] setpgid(0, 0 <unfinished ...>
[pid  1531] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1533] <... setpgid resumed>)      = 0
[pid  1532] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1531] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1532] <... futex resumed>)        = 0
[pid  1531] <... mprotect resumed>)     = 0
[pid  1532] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1531] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1532] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1533] <... openat resumed>)       = 3
[pid  1532] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1531] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1533] write(3, "1000", 4 <unfinished ...>
[pid  1532] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1533] <... write resumed>)        = 4
[pid  1531] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1532] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1533] close(3ci2-android-6-12-rust/strace-static-x86_64: Process 1534 attached
)                    = 0
[pid  1532] <... mmap resumed>)         = 0x7fb4de009000
[pid   313] <... restart_syscall resumed>) = 0
[pid  1534] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1533] write(1, "executing program\n", 18 <unfinished ...>
[pid  1532] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1531] <... clone3 resumed> => {parent_tid=[1534]}, 88) = 1534
executing program
[pid  1534] <... set_robust_list resumed>) = 0
[pid  1533] <... write resumed>)        = 18
[pid  1532] <... mprotect resumed>)     = 0
[pid  1531] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1534] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1532] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1534] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1533] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1532] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1531] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1534] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1533] <... futex resumed>)        = 0
[pid  1532] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1531] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1534] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1533] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}ci2-android-6-12-rust/strace-static-x86_64: Process 1535 attached
 <unfinished ...>
[pid  1531] <... futex resumed>)        = 0
[pid  1534] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1533] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1531] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1535] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1534] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1533] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1535] <... set_robust_list resumed>) = 0
[pid  1534] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1532] <... clone3 resumed> => {parent_tid=[1535]}, 88) = 1535
[pid  1535] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1534] <... futex resumed>)        = 1
[pid  1533] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1532] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1531] <... futex resumed>)        = 0
[pid  1535] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1534] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1532] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1531] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1535] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1534] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1533] <... mmap resumed>)         = 0x7fb4de009000
[pid  1532] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1531] <... futex resumed>)        = 0
[pid  1535] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1534] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1533] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1532] <... futex resumed>)        = 0
[pid  1531] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1535] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  1534] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1533] <... mprotect resumed>)     = 0
[pid  1532] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1535] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1534] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1533] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1532] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1535] <... futex resumed>)        = 0
[pid  1534] <... futex resumed>)        = 1
[pid  1533] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1532] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1531] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1535] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1534] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1532] <... futex resumed>)        = 0
[pid  1531] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1536 attached
 <unfinished ...>
[pid  1535] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1534] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1532] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1531] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1536
ci2-android-6-12-rust/strace-static-x86_64: Process 1537 attached
[pid  1536] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1535] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1534] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1533] <... clone3 resumed> => {parent_tid=[1537]}, 88) = 1537
[pid  1531] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1537] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1536] <... set_robust_list resumed>) = 0
[pid  1535] <... futex resumed>)        = 1
[pid  1534] <... openat resumed>)       = 3
[pid  1533] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1532] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1537] <... set_robust_list resumed>) = 0
[pid  1536] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1535] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1534] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1533] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1532] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1537] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1536] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1535] <... openat resumed>)       = 3
[pid  1534] <... futex resumed>)        = 1
[pid  1533] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1532] <... futex resumed>)        = 0
[pid  1531] <... futex resumed>)        = 0
[pid  1537] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1535] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1534] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1533] <... futex resumed>)        = 0
[pid  1532] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1531] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1535] <... futex resumed>)        = 0
[pid  1533] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1532] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1535] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1534] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1532] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1531] <... futex resumed>)        = 0
[pid  1537] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1536] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1535] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1534] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1532] <... futex resumed>)        = 0
[pid  1531] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1537] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1536] <... prctl resumed>)        = 0
[pid  1535] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1534] <... write resumed>)        = 2
[pid  1532] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1537] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1536] setpgid(0, 0 <unfinished ...>
[pid  1535] <... write resumed>)        = 2
[pid  1534] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1537] <... futex resumed>)        = 1
[pid  1536] <... setpgid resumed>)      = 0
[pid  1535] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1533] <... futex resumed>)        = 0
[pid  1534] <... futex resumed>)        = 1
[pid  1537] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1533] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1531] <... futex resumed>)        = 0
[pid  1535] <... futex resumed>)        = 1
[pid  1537] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1534] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1535] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1533] <... futex resumed>)        = 0
[pid  1532] <... futex resumed>)        = 0
[pid  1531] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1537] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1536] <... openat resumed>)       = 3
[pid  1534] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1533] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1532] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1531] <... futex resumed>)        = 0
[pid  1537] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1536] write(3, "1000", 4 <unfinished ...>
[pid  1535] <... futex resumed>)        = 0
[pid  1534] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1532] <... futex resumed>)        = 1
[pid  1531] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1537] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1536] <... write resumed>)        = 4
[pid  1535] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1534] <... openat resumed>)       = 4
[pid  1532] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1537] <... futex resumed>)        = 1
[pid  1536] close(3 <unfinished ...>
[pid  1535] <... openat resumed>)       = 4
[pid  1534] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1533] <... futex resumed>)        = 0
[pid  1537] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1535] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1537] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1536] <... close resumed>)        = 0
[pid  1534] <... futex resumed>)        = 1
[pid  1533] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1531] <... futex resumed>)        = 0
[pid  1532] <... futex resumed>)        = 0
[pid  1535] <... futex resumed>)        = 1
[pid  1537] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1532] exit_group(0 <unfinished ...>
[pid  1535] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1537] <... openat resumed>)       = 3
[pid  1536] write(1, "executing program\n", 18 <unfinished ...>
[pid  1534] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1533] <... futex resumed>)        = 0
[pid  1532] <... exit_group resumed>)   = ?
[pid  1531] exit_group(0 <unfinished ...>
[pid  1535] <... futex resumed>)        = ?
[pid  1537] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1536] <... write resumed>)        = 18
executing program
[pid  1533] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1534] <... futex resumed>)        = ?
[pid  1534] +++ exited with 0 +++
[pid  1531] <... exit_group resumed>)   = ?
[pid  1537] <... futex resumed>)        = 0
[pid  1536] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1535] +++ exited with 0 +++
[pid  1533] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1532] +++ exited with 0 +++
[pid  1537] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1532, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1536] <... futex resumed>)        = 0
[pid  1536] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1537] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1533] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1531] +++ exited with 0 +++
[pid  1536] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1537] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1536] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1533] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1531, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1537] <... write resumed>)        = 2
[pid  1536] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1533] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1537] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1533] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1537] <... futex resumed>)        = 0
[pid  1536] <... mmap resumed>)         = 0x7fb4de009000
[pid  1537] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1533] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1537] <... openat resumed>)       = 4
[pid  1536] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1533] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  1537] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1536] <... mprotect resumed>)     = 0
[pid  1537] <... futex resumed>)        = 0
[pid  1533] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1537] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1533] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1536] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1533] exit_group(0 <unfinished ...>
[pid  1537] <... futex resumed>)        = ?
[pid  1536] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1533] <... exit_group resumed>)   = ?
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1537] +++ exited with 0 +++
[pid  1536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1538 attached
 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1536] <... clone3 resumed> => {parent_tid=[1538]}, 88) = 1538
[pid  1538] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1536] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1539 attached
 <unfinished ...>
[pid  1538] <... set_robust_list resumed>) = 0
[pid  1536] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1533] +++ exited with 0 +++
[pid  1538] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1536] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1533, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1539] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1538] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1536] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1539
[pid  1539] <... set_robust_list resumed>) = 0
[pid  1538] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1536] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1539] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1538] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1539] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1538] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1536] <... futex resumed>)        = 0
[pid  1536] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1539] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1538] <... futex resumed>)        = 1
[pid  1539] <... prctl resumed>)        = 0
[pid  1536] <... futex resumed>)        = 0
[pid  1539] setpgid(0, 0 <unfinished ...>
[pid  1538] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1539] <... setpgid resumed>)      = 0
[pid  1536] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1538] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1539] <... openat resumed>)       = 3
[pid  1538] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1539] write(3, "1000", 4 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1539] <... write resumed>)        = 4
[pid  1538] <... futex resumed>)        = 1
[pid  1536] <... futex resumed>)        = 0
[pid  1539] close(3 <unfinished ...>
[pid  1538] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1536] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1539] <... close resumed>)        = 0
[pid  1538] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1536] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1539] write(1, "executing program\n", 18 <unfinished ...>
[pid  1538] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1536] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1539] <... write resumed>)        = 18
executing program
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1540 attached
 <unfinished ...>
[pid  1539] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1538] <... openat resumed>)       = 3
[pid   315] <... restart_syscall resumed>) = 0
[pid  1539] <... futex resumed>)        = 0
[pid  1538] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1540] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1539] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1538] <... futex resumed>)        = 1
[pid  1536] <... futex resumed>)        = 0
[pid  1540] <... set_robust_list resumed>) = 0
[pid  1539] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1538] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1536] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1540
[pid  1539] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1539] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1541 attached
[pid  1540] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1538] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1536] <... futex resumed>)        = 0
[pid  1541] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1540] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1539] <... mmap resumed>)         = 0x7fb4de009000
[pid  1538] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1536] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1541
[pid  1540] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1539] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1538] <... write resumed>)        = 2
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1541] <... set_robust_list resumed>) = 0
[pid  1540] <... prctl resumed>)        = 0
[pid  1539] <... mprotect resumed>)     = 0
[pid  1538] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1541] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1540] setpgid(0, 0 <unfinished ...>
[pid  1539] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1538] <... futex resumed>)        = 1
[pid  1536] <... futex resumed>)        = 0
[pid  1541] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1540] <... setpgid resumed>)      = 0
[pid  1538] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1536] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1539] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1539] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1542 attached
 <unfinished ...>
[pid  1541] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1538] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1536] <... futex resumed>)        = 0
[pid  1540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1538] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1536] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1542] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  1539] <... clone3 resumed> => {parent_tid=[1542]}, 88) = 1542
[pid  1538] <... openat resumed>)       = 4
[pid  1542] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1541] <... prctl resumed>)        = 0
[pid  1539] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1542] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1540] <... openat resumed>)       = 3
[pid  1539] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1542] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1539] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1542] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1539] <... futex resumed>)        = 0
[pid  1542] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1539] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1542] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1542] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1539] <... futex resumed>)        = 0
[pid  1542] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1539] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1542] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1539] <... futex resumed>)        = 0
[pid  1542] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1539] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1542] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1542] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1539] <... futex resumed>)        = 0
[pid  1542] <... futex resumed>)        = 1
[pid  1539] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1542] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1539] <... futex resumed>)        = 0
[pid  1542] <... openat resumed>)       = 3
[pid  1539] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1542] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1539] <... futex resumed>)        = 0
[pid  1542] <... futex resumed>)        = 1
[pid  1539] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1542] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1539] <... futex resumed>)        = 0
[pid  1542] <... write resumed>)        = 2
[pid  1539] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1542] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1539] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1542] <... futex resumed>)        = 0
[pid  1539] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1542] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1539] <... futex resumed>)        = 0
[pid  1542] <... openat resumed>)       = 4
[pid  1539] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1541] setpgid(0, 0 <unfinished ...>
[pid  1540] write(3, "1000", 4 <unfinished ...>
[pid  1538] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1541] <... setpgid resumed>)      = 0
[pid  1542] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1540] <... write resumed>)        = 4
[pid  1538] <... futex resumed>)        = 1
[pid  1542] <... futex resumed>)        = 1
[pid  1541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1540] close(3 <unfinished ...>
[pid  1539] <... futex resumed>)        = 0
[pid  1538] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1536] <... futex resumed>)        = 0
[pid  1542] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1539] exit_group(0 <unfinished ...>
[pid  1542] <... futex resumed>)        = ?
[pid  1540] <... close resumed>)        = 0
[pid  1539] <... exit_group resumed>)   = ?
[pid  1536] exit_group(0 <unfinished ...>
[pid  1542] +++ exited with 0 +++
[pid  1541] <... openat resumed>)       = 3
[pid  1540] write(1, "executing program\n", 18 <unfinished ...>
[pid  1539] +++ exited with 0 +++
[pid  1538] <... futex resumed>)        = ?
[pid  1536] <... exit_group resumed>)   = ?
[pid  1541] write(3, "1000", 4 <unfinished ...>
[pid  1540] <... write resumed>)        = 18
[pid  1538] +++ exited with 0 +++
executing program
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1539, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1536] +++ exited with 0 +++
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1541] <... write resumed>)        = 4
[pid  1540] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1536, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1540] <... futex resumed>)        = 0
[pid  1540] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1541] close(3 <unfinished ...>
[pid  1540] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1540] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1541] <... close resumed>)        = 0
[pid  1540] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1541] write(1, "executing program\n", 18 <unfinished ...>
[pid  1540] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 1543 attached
 <unfinished ...>
[pid  1541] <... write resumed>)        = 18
executing program
[pid  1543] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1541] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1540] <... mmap resumed>)         = 0x7fb4de009000
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1543
[pid  1543] <... set_robust_list resumed>) = 0
[pid  1541] <... futex resumed>)        = 0
[pid  1540] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1543] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1541] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1543] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1541] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1540] <... mprotect resumed>)     = 0
[pid  1543] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1541] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1543] <... prctl resumed>)        = 0
[pid  1540] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1541] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1543] setpgid(0, 0 <unfinished ...>
[pid  1540] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1543] <... setpgid resumed>)      = 0
[pid  1541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1541] <... mmap resumed>)         = 0x7fb4de009000
[pid  1540] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1543] <... openat resumed>)       = 3
[pid  1541] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITEci2-android-6-12-rust/strace-static-x86_64: Process 1544 attached
) = 0
[pid  1543] write(3, "1000", 4 <unfinished ...>
[pid  1544] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1543] <... write resumed>)        = 4
[pid  1541] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1540] <... clone3 resumed> => {parent_tid=[1544]}, 88) = 1544
[pid  1544] <... set_robust_list resumed>) = 0
[pid  1543] close(3 <unfinished ...>
[pid  1541] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1540] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1544] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1543] <... close resumed>)        = 0
[pid  1541] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1540] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1544] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1543] write(1, "executing program\n", 18ci2-android-6-12-rust/strace-static-x86_64: Process 1545 attached
 <unfinished ...>
[pid  1540] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1544] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1543] <... write resumed>)        = 18
[pid  1540] <... futex resumed>)        = 0
executing program
[pid  1545] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1544] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1541] <... clone3 resumed> => {parent_tid=[1545]}, 88) = 1545
[pid  1545] <... set_robust_list resumed>) = 0
[pid  1544] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1543] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1540] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1541] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1545] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1544] <... futex resumed>)        = 0
[pid  1543] <... futex resumed>)        = 0
[pid  1541] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1540] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1545] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1544] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1543] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1541] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1540] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1545] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1544] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1543] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1541] <... futex resumed>)        = 0
[pid  1540] <... futex resumed>)        = 0
[pid  1545] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1544] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1543] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1541] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1540] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1545] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1544] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1543] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1541] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1545] <... futex resumed>)        = 0
[pid  1544] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1541] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1541] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1545] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1544] <... futex resumed>)        = 1
[pid  1543] <... mmap resumed>)         = 0x7fb4de009000
[pid  1541] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1540] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1546 attached
[pid  1544] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1543] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1545] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1540] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1546] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1545] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1544] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1543] <... mprotect resumed>)     = 0
[pid  1540] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1546
[pid  1546] <... set_robust_list resumed>) = 0
[pid  1545] <... futex resumed>)        = 1
[pid  1544] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1541] <... futex resumed>)        = 0
[pid  1540] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1546] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1543] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1545] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1544] <... openat resumed>)       = 3
[pid  1541] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1546] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1543] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1545] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1544] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1541] <... futex resumed>)        = 0
[pid  1546] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1545] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1543] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1546] <... prctl resumed>)        = 0
[pid  1544] <... futex resumed>)        = 1
[pid  1541] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1540] <... futex resumed>)        = 0
[pid  1544] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1540] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1546] setpgid(0, 0 <unfinished ...>
[pid  1545] <... openat resumed>)       = 3
[pid  1544] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1540] <... futex resumed>)        = 0
[pid  1546] <... setpgid resumed>)      = 0
[pid  1545] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1544] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1540] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1547 attached
 <unfinished ...>
[pid  1545] <... futex resumed>)        = 1
[pid  1544] <... write resumed>)        = 2
[pid  1541] <... futex resumed>)        = 0
[pid  1546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1545] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1544] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1543] <... clone3 resumed> => {parent_tid=[1547]}, 88) = 1547
[pid  1541] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1547] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1545] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1544] <... futex resumed>)        = 1
[pid  1543] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1540] <... futex resumed>)        = 0
[pid  1546] <... openat resumed>)       = 3
[pid  1541] <... futex resumed>)        = 0
[pid  1547] <... set_robust_list resumed>) = 0
[pid  1546] write(3, "1000", 4 <unfinished ...>
[pid  1545] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1544] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1543] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1541] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1547] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1540] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1547] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1546] <... write resumed>)        = 4
[pid  1545] <... write resumed>)        = 2
[pid  1544] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1543] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1540] <... futex resumed>)        = 0
[pid  1547] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1546] close(3 <unfinished ...>
[pid  1545] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1544] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1543] <... futex resumed>)        = 0
[pid  1540] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1547] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1546] <... close resumed>)        = 0
[pid  1545] <... futex resumed>)        = 1
[pid  1541] <... futex resumed>)        = 0
[pid  1544] <... openat resumed>)       = 4
[pid  1543] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1547] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1546] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  1545] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1544] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1543] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1541] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1547] <... futex resumed>)        = 0
[pid  1546] <... write resumed>)        = 18
[pid  1545] <... openat resumed>)       = 4
[pid  1544] <... futex resumed>)        = 1
[pid  1543] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1541] <... futex resumed>)        = 0
[pid  1540] <... futex resumed>)        = 0
[pid  1547] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1546] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1544] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1543] <... futex resumed>)        = 0
[pid  1541] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1547] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1546] <... futex resumed>)        = 0
[pid  1545] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1543] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1541] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1540] exit_group(0 <unfinished ...>
[pid  1547] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1546] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1545] <... futex resumed>)        = 0
[pid  1543] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1541] exit_group(0 <unfinished ...>
[pid  1547] <... futex resumed>)        = 0
[pid  1546] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1545] ???( <unfinished ...>
[pid  1544] <... futex resumed>)        = ?
[pid  1547] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1543] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1545] <... ??? resumed>)          = ?
[pid  1541] <... exit_group resumed>)   = ?
[pid  1546] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1540] <... exit_group resumed>)   = ?
[pid  1547] <... openat resumed>)       = 3
[pid  1544] +++ exited with 0 +++
[pid  1543] <... futex resumed>)        = 0
[pid  1546] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1546] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1545] +++ exited with 0 +++
[pid  1541] +++ exited with 0 +++
[pid  1546] <... mprotect resumed>)     = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1541, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1546] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1540] +++ exited with 0 +++
[pid  1546] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1543] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1547] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1543] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 1548 attached
[pid  1547] <... futex resumed>)        = 0
[pid  1543] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1540, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1547] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1546] <... clone3 resumed> => {parent_tid=[1548]}, 88) = 1548
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1548] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1547] <... write resumed>)        = 2
[pid  1543] <... futex resumed>)        = 0
[pid  1548] <... set_robust_list resumed>) = 0
[pid  1547] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1548] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1543] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1547] <... futex resumed>)        = 0
[pid  1548] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1543] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1547] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1548] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1543] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1547] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1543] <... futex resumed>)        = 0
[pid  1547] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1543] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1547] <... openat resumed>)       = 4
[pid  1546] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1547] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1546] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1547] <... futex resumed>)        = 1
[pid  1546] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1543] <... futex resumed>)        = 0
[pid  1548] <... futex resumed>)        = 0
[pid  1547] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1546] <... futex resumed>)        = 1
[pid  1548] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1546] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1543] exit_group(0 <unfinished ...>
[pid  1548] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1543] <... exit_group resumed>)   = ?
[pid  1548] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1547] <... futex resumed>)        = ?
[pid  1548] <... futex resumed>)        = 1
[pid  1546] <... futex resumed>)        = 0
[pid  1546] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1546] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1548] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  1547] +++ exited with 0 +++
[pid  1543] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1543, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1548] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1546] <... futex resumed>)        = 0
[pid  1548] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1546] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1548] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1546] <... futex resumed>)        = 0
[pid  1548] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1546] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1548] <... openat resumed>)       = 3
[pid  1548] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1548] <... futex resumed>)        = 1
[pid  1546] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1548] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1546] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1548] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1546] <... futex resumed>)        = 0
[pid  1548] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1546] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1548] <... write resumed>)        = 2
[pid  1548] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1546] <... futex resumed>)        = 0
[pid  1548] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1546] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1548] <... openat resumed>)       = 4
[pid  1546] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1546] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1548] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1546] <... futex resumed>)        = 0
[pid  1546] exit_group(0)               = ?
[pid  1548] <... futex resumed>)        = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 1549 attached
[pid  1549] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1549
[pid  1549] <... set_robust_list resumed>) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1550
ci2-android-6-12-rust/strace-static-x86_64: Process 1550 attached
[pid  1549] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1548] +++ exited with 0 +++
[pid  1546] +++ exited with 0 +++
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1550] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1546, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1550] <... set_robust_list resumed>) = 0
[pid  1549] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1550] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1549] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1550] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  1550] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1549] <... prctl resumed>)        = 0
[pid  1549] setpgid(0, 0 <unfinished ...>
[pid  1550] <... prctl resumed>)        = 0
[pid  1549] <... setpgid resumed>)      = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1550] setpgid(0, 0 <unfinished ...>
[pid  1549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1550] <... setpgid resumed>)      = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1549] <... openat resumed>)       = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 1551 attached
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1551
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1550] <... openat resumed>)       = 3
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1551] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1549] write(3, "1000", 4 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1550] write(3, "1000", 4 <unfinished ...>
[pid  1551] <... set_robust_list resumed>) = 0
[pid  1550] <... write resumed>)        = 4
[pid  1550] close(3 <unfinished ...>
[pid  1551] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1550] <... close resumed>)        = 0
[pid  1550] write(1, "executing program\n", 18) = 18
[pid  1550] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid  1550] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1550] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1550] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1550] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1550] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1550] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1552 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1553 attached
 <unfinished ...>
[pid  1552] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1551] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1550] <... clone3 resumed> => {parent_tid=[1552]}, 88) = 1552
[pid  1549] <... write resumed>)        = 4
[pid  1553] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1552] <... set_robust_list resumed>) = 0
[pid  1551] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1550] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1549] close(3 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1553
[pid  1553] <... set_robust_list resumed>) = 0
[pid  1552] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1550] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1553] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1552] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1551] <... prctl resumed>)        = 0
[pid  1550] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1549] <... close resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1553] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1552] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1551] setpgid(0, 0 <unfinished ...>
[pid  1550] <... futex resumed>)        = 0
[pid  1553] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1552] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1551] <... setpgid resumed>)      = 0
[pid  1550] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1549] write(1, "executing program\n", 18 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1549] <... write resumed>)        = 18
[pid  1551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1549] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1553] <... prctl resumed>)        = 0
[pid  1552] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1550] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1549] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1553] setpgid(0, 0 <unfinished ...>
[pid  1552] <... futex resumed>)        = 0
[pid  1551] <... openat resumed>)       = 3
[pid  1550] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1553] <... setpgid resumed>)      = 0
[pid  1552] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1551] write(3, "1000", 4 <unfinished ...>
[pid  1550] <... futex resumed>)        = 0
[pid  1549] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1552] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1551] <... write resumed>)        = 4
[pid  1550] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1549] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1553] <... openat resumed>)       = 3
[pid  1552] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1551] close(3 <unfinished ...>
[pid  1549] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1551] <... close resumed>)        = 0
[pid  1549] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1551] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  1553] write(3, "1000", 4 <unfinished ...>
[pid  1552] <... futex resumed>)        = 1
[pid  1551] <... write resumed>)        = 18
[pid  1550] <... futex resumed>)        = 0
[pid  1549] <... mmap resumed>)         = 0x7fb4de009000
[pid  1553] <... write resumed>)        = 4
[pid  1552] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1550] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1553] close(3 <unfinished ...>
[pid  1552] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1551] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1550] <... futex resumed>)        = 0
[pid  1549] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1553] <... close resumed>)        = 0
[pid  1552] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1551] <... futex resumed>)        = 0
[pid  1550] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1553] write(1, "executing program\n", 18 <unfinished ...>
[pid  1552] <... openat resumed>)       = 3
[pid  1551] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1549] <... mprotect resumed>)     = 0
[pid  1553] <... write resumed>)        = 18
[pid  1551] <... rt_sigaction resumed>, NULL, 8) = 0
executing program
[pid  1553] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1552] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1551] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1549] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1553] <... futex resumed>)        = 0
[pid  1552] <... futex resumed>)        = 1
[pid  1550] <... futex resumed>)        = 0
[pid  1553] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1552] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1551] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1550] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1549] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1553] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1552] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1550] <... futex resumed>)        = 0
[pid  1549] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1553] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1552] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1550] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1553] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1552] <... write resumed>)        = 2
[pid  1551] <... mmap resumed>)         = 0x7fb4de009000
[pid  1553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1552] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1554 attached
 <unfinished ...>
[pid  1553] <... mmap resumed>)         = 0x7fb4de009000
[pid  1552] <... futex resumed>)        = 1
[pid  1551] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1550] <... futex resumed>)        = 0
[pid  1553] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1552] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1551] <... mprotect resumed>)     = 0
[pid  1550] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1554] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1553] <... mprotect resumed>)     = 0
[pid  1552] <... openat resumed>)       = 4
[pid  1550] <... futex resumed>)        = 0
[pid  1549] <... clone3 resumed> => {parent_tid=[1554]}, 88) = 1554
[pid  1551] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1554] <... set_robust_list resumed>) = 0
[pid  1553] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1551] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1550] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1549] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1554] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1553] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1552] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1550] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 1555 attached
[pid  1554] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1553] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1552] <... futex resumed>)        = 0
[pid  1550] exit_group(0 <unfinished ...>
[pid  1549] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1556 attached
[pid  1555] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1554] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1550] <... exit_group resumed>)   = ?
[pid  1549] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1556] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1555] <... set_robust_list resumed>) = 0
[pid  1554] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1553] <... clone3 resumed> => {parent_tid=[1556]}, 88) = 1556
[pid  1552] +++ exited with 0 +++
[pid  1551] <... clone3 resumed> => {parent_tid=[1555]}, 88) = 1555
[pid  1550] +++ exited with 0 +++
[pid  1549] <... futex resumed>)        = 0
[pid  1556] <... set_robust_list resumed>) = 0
[pid  1555] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1554] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1553] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1551] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1549] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1556] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1555] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1554] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1553] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1551] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1550, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1556] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1555] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1554] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1553] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1551] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1555] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1553] <... futex resumed>)        = 0
[pid  1555] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1553] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1555] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1555] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1551] <... futex resumed>)        = 0
[pid  1555] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1551] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1556] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1554] <... futex resumed>)        = 1
[pid  1551] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1549] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1554] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1551] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1549] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1556] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1554] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1555] <... futex resumed>)        = 0
[pid  1554] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1551] <... futex resumed>)        = 1
[pid  1549] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1556] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1555] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1551] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1549] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1556] <... futex resumed>)        = 1
[pid  1555] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1554] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1553] <... futex resumed>)        = 0
[pid  1556] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1553] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1555] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1553] <... futex resumed>)        = 0
[pid  1555] <... futex resumed>)        = 1
[pid  1553] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1551] <... futex resumed>)        = 0
[pid  1555] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1551] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1555] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1551] <... futex resumed>)        = 0
[pid  1555] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1551] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1555] <... openat resumed>)       = 3
[pid  1555] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1551] <... futex resumed>)        = 0
[pid  1555] <... futex resumed>)        = 1
[pid  1555] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1551] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1555] <... write resumed>)        = 2
[pid  1551] <... futex resumed>)        = 0
[pid  1555] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1551] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1556] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1554] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1556] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1554] <... futex resumed>)        = 1
[pid  1549] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1557 attached
[pid  1556] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1555] <... futex resumed>)        = 0
[pid  1554] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1551] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1549] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1557] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1555] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1554] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1551] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1556] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1549] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1557
[pid  1557] <... set_robust_list resumed>) = 0
[pid  1556] <... futex resumed>)        = 1
[pid  1555] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1554] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1553] <... futex resumed>)        = 0
[pid  1551] <... futex resumed>)        = 0
[pid  1549] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1557] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1556] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1555] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1554] <... openat resumed>)       = 3
[pid  1553] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1551] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1557] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1556] <... openat resumed>)       = 3
[pid  1555] <... openat resumed>)       = 4
[pid  1554] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1553] <... futex resumed>)        = 0
[pid  1557] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1556] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1554] <... futex resumed>)        = 1
[pid  1553] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1549] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1557] <... prctl resumed>)        = 0
[pid  1556] <... futex resumed>)        = 0
[pid  1555] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1553] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1549] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1557] setpgid(0, 0 <unfinished ...>
[pid  1556] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1555] <... futex resumed>)        = 1
[pid  1554] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1553] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1551] <... futex resumed>)        = 0
[pid  1557] <... setpgid resumed>)      = 0
[pid  1556] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1555] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1554] <... write resumed>)        = 2
[pid  1553] <... futex resumed>)        = 0
[pid  1551] exit_group(0 <unfinished ...>
[pid  1549] <... futex resumed>)        = 0
[pid  1557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1556] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1555] <... futex resumed>)        = ?
[pid  1554] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1553] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1551] <... exit_group resumed>)   = ?
[pid  1549] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1557] <... openat resumed>)       = 3
[pid  1556] <... write resumed>)        = 2
[pid  1555] +++ exited with 0 +++
[pid  1554] <... futex resumed>)        = 0
[pid  1551] +++ exited with 0 +++
[pid  1549] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1556] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1554] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1549] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1551, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1557] write(3, "1000", 4 <unfinished ...>
[pid  1556] <... futex resumed>)        = 1
[pid  1554] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1553] <... futex resumed>)        = 0
[pid  1549] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1557] <... write resumed>)        = 4
[pid  1556] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1554] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1553] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1549] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1557] close(3 <unfinished ...>
[pid  1553] <... futex resumed>)        = 0
[pid  1557] <... close resumed>)        = 0
[pid  1553] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1557] write(1, "executing program\n", 18 <unfinished ...>
[pid  1554] <... openat resumed>)       = 4
[pid  1557] <... write resumed>)        = 18
executing program
[pid  1557] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1557] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1557] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1557] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1557] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1557] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1556] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1554] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1556] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1554] <... futex resumed>)        = 1
[pid  1549] <... futex resumed>)        = 0
[pid  1557] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1557] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1554] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1549] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 1558 attached
 <unfinished ...>
[pid  1556] <... openat resumed>)       = 4
[pid  1549] <... exit_group resumed>)   = ?
[pid  1554] <... futex resumed>)        = ?
[pid  1558] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1557] <... clone3 resumed> => {parent_tid=[1558]}, 88) = 1558
[pid  1556] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1557] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1557] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1557] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1558] <... set_robust_list resumed>) = 0
[pid  1558] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1554] +++ exited with 0 +++
[pid  1556] <... futex resumed>)        = 1
[pid  1553] <... futex resumed>)        = 0
[pid  1549] +++ exited with 0 +++
[pid  1556] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1558] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1553] exit_group(0 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1549, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1558] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1558] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1557] <... futex resumed>)        = 0
[pid  1558] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1557] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1558] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1557] <... futex resumed>)        = 0
[pid  1558] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1557] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1558] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1556] <... futex resumed>)        = ?
[pid  1553] <... exit_group resumed>)   = ?
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1558] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   314] <... restart_syscall resumed>) = 0
[pid  1558] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1557] <... futex resumed>)        = 0
[pid  1557] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1558] <... futex resumed>)        = 0
[pid  1557] <... futex resumed>)        = 1
[pid  1558] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1557] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1558] <... openat resumed>)       = 3
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1558] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1557] <... futex resumed>)        = 0
[pid  1558] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1557] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1558] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... restart_syscall resumed>) = 0
[pid  1558] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1557] <... futex resumed>)        = 0
[pid  1558] <... write resumed>)        = 2
[pid  1557] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1558] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1557] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1558] <... futex resumed>)        = 0
[pid  1557] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1558] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1557] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1558] <... openat resumed>)       = 4
[pid  1557] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1556] +++ exited with 0 +++
[pid  1553] +++ exited with 0 +++
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1559 attached
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1559
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1553, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1558] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1558] <... futex resumed>)        = 1
[pid  1557] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1558] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1557] exit_group(0 <unfinished ...>
[pid  1558] <... futex resumed>)        = ?
[pid  1557] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 1560 attached
[pid  1559] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1558] +++ exited with 0 +++
[pid  1557] +++ exited with 0 +++
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1559] <... set_robust_list resumed>) = 0
[pid  1560] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1557, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1560] <... set_robust_list resumed>) = 0
[pid  1560] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1560] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1559] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1560] <... prctl resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1560] setpgid(0, 0 <unfinished ...>
[pid  1559] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1560] <... setpgid resumed>)      = 0
[pid  1559] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1560
[pid   313] <... restart_syscall resumed>) = 0
[pid  1559] <... prctl resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1559] setpgid(0, 0 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1560] <... openat resumed>)       = 3
[pid  1559] <... setpgid resumed>)      = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1561 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1562 attached
 <unfinished ...>
[pid  1560] write(3, "1000", 4 <unfinished ...>
[pid  1559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1560] <... write resumed>)        = 4
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1562
[pid  1559] <... openat resumed>)       = 3
[pid  1560] close(3 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1561
[pid  1560] <... close resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1560] write(1, "executing program\n", 18 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1562] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1560] <... write resumed>)        = 18
[pid  1562] <... set_robust_list resumed>) = 0
[pid  1561] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1562] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
executing program
[pid  1560] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1562] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1561] <... set_robust_list resumed>) = 0
[pid  1560] <... futex resumed>)        = 0
[pid  1559] write(3, "1000", 4 <unfinished ...>
[pid  1561] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1560] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1562] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1559] <... write resumed>)        = 4
[pid  1560] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1561] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1560] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1559] close(3 <unfinished ...>
[pid  1562] <... prctl resumed>)        = 0
[pid  1561] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1560] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1559] <... close resumed>)        = 0
[pid  1562] setpgid(0, 0)               = 0
[pid  1562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1559] write(1, "executing program\n", 18 <unfinished ...>
[pid  1561] <... prctl resumed>)        = 0
[pid  1560] <... mmap resumed>)         = 0x7fb4de009000
[pid  1559] <... write resumed>)        = 18
executing program
[pid  1561] setpgid(0, 0 <unfinished ...>
[pid  1562] <... openat resumed>)       = 3
[pid  1561] <... setpgid resumed>)      = 0
[pid  1560] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1559] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1562] write(3, "1000", 4)         = 4
[pid  1562] close(3 <unfinished ...>
[pid  1561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1560] <... mprotect resumed>)     = 0
[pid  1562] <... close resumed>)        = 0
[pid  1562] write(1, "executing program\n", 18 <unfinished ...>
[pid  1561] <... openat resumed>)       = 3
[pid  1559] <... futex resumed>)        = 0
[pid  1562] <... write resumed>)        = 18
[pid  1561] write(3, "1000", 4 <unfinished ...>
[pid  1560] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
executing program
[pid  1559] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1562] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1561] <... write resumed>)        = 4
[pid  1560] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1559] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1562] <... futex resumed>)        = 0
[pid  1561] close(3 <unfinished ...>
[pid  1560] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1559] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1561] <... close resumed>)        = 0
[pid  1559] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1562] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1559] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1562] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1562] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1559] <... mmap resumed>)         = 0x7fb4de009000
[pid  1562] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1562] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1563 attached
[pid  1561] write(1, "executing program\n", 18 <unfinished ...>
[pid  1559] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1561] <... write resumed>)        = 18
[pid  1560] <... clone3 resumed> => {parent_tid=[1563]}, 88) = 1563
[pid  1561] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1559] <... mprotect resumed>)     = 0
[pid  1561] <... futex resumed>)        = 0
[pid  1560] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
executing program
[pid  1561] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1560] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1561] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1559] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1561] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1560] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1559] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1561] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1560] <... futex resumed>)        = 0
[pid  1563] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1562] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1563] <... set_robust_list resumed>) = 0
[pid  1562] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1560] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1559] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1563] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1562] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1561] <... mmap resumed>)         = 0x7fb4de009000
ci2-android-6-12-rust/strace-static-x86_64: Process 1564 attached
[pid  1563] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1565 attached
[pid  1564] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1563] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1562] <... clone3 resumed> => {parent_tid=[1564]}, 88) = 1564
[pid  1561] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1559] <... clone3 resumed> => {parent_tid=[1565]}, 88) = 1565
[pid  1565] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1564] <... set_robust_list resumed>) = 0
[pid  1563] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1562] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1565] <... set_robust_list resumed>) = 0
[pid  1564] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1563] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1562] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1561] <... mprotect resumed>)     = 0
[pid  1559] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1565] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1564] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1563] <... futex resumed>)        = 1
[pid  1562] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1560] <... futex resumed>)        = 0
[pid  1565] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1564] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1563] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1562] <... futex resumed>)        = 0
[pid  1561] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1559] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1560] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1565] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1564] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1563] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1562] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1561] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1560] <... futex resumed>)        = 0
[pid  1559] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1565] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1564] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1563] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1562] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1561] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1560] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1559] <... futex resumed>)        = 0
[pid  1565] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1564] <... futex resumed>)        = 0
[pid  1563] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1562] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1559] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1566 attached
 <unfinished ...>
[pid  1565] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1564] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1563] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1562] <... futex resumed>)        = 0
[pid  1566] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1565] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1564] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1563] <... futex resumed>)        = 1
[pid  1562] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1561] <... clone3 resumed> => {parent_tid=[1566]}, 88) = 1566
[pid  1560] <... futex resumed>)        = 0
[pid  1566] <... set_robust_list resumed>) = 0
[pid  1565] <... futex resumed>)        = 1
[pid  1561] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1560] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1559] <... futex resumed>)        = 0
[pid  1566] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1561] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1560] <... futex resumed>)        = 0
[pid  1559] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1566] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1565] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1564] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1563] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1566] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1565] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1564] <... futex resumed>)        = 1
[pid  1563] <... openat resumed>)       = 3
[pid  1562] <... futex resumed>)        = 0
[pid  1561] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1560] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1559] <... futex resumed>)        = 0
[pid  1566] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1565] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1564] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1563] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1562] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1561] <... futex resumed>)        = 0
[pid  1560] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1559] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1566] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1565] <... futex resumed>)        = 0
[pid  1564] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1563] <... futex resumed>)        = 0
[pid  1562] <... futex resumed>)        = 0
[pid  1566] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1565] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1564] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1563] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1562] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1561] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1560] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1559] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1566] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1564] <... openat resumed>)       = 3
[pid  1563] <... write resumed>)        = 2
[pid  1566] <... futex resumed>)        = 0
[pid  1564] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1563] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1561] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1560] <... futex resumed>)        = 0
[pid  1559] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1566] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1564] <... futex resumed>)        = 1
[pid  1563] <... futex resumed>)        = 0
[pid  1562] <... futex resumed>)        = 0
[pid  1565] <... futex resumed>)        = 0
[pid  1561] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1560] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1559] <... futex resumed>)        = 1
[pid  1566] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1565] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1564] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1563] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1562] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1561] <... futex resumed>)        = 0
[pid  1560] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1559] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1566] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1565] <... openat resumed>)       = 3
[pid  1564] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1562] <... futex resumed>)        = 0
[pid  1561] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1565] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1564] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1562] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1560] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1566] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1565] <... futex resumed>)        = 1
[pid  1564] <... write resumed>)        = 2
[pid  1559] <... futex resumed>)        = 0
[pid  1563] <... futex resumed>)        = 0
[pid  1560] <... futex resumed>)        = 1
[pid  1566] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1565] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1564] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1563] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1559] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1560] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1566] <... futex resumed>)        = 1
[pid  1565] <... write resumed>)        = 2
[pid  1564] <... futex resumed>)        = 1
[pid  1562] <... futex resumed>)        = 0
[pid  1561] <... futex resumed>)        = 0
[pid  1559] <... futex resumed>)        = 0
[pid  1566] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1565] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1564] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1563] <... openat resumed>)       = 4
[pid  1562] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1561] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1559] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1566] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1565] <... futex resumed>)        = 0
[pid  1564] <... openat resumed>)       = 4
[pid  1563] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1562] <... futex resumed>)        = 0
[pid  1561] <... futex resumed>)        = 0
[pid  1559] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1566] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1565] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1564] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1563] <... futex resumed>)        = 1
[pid  1562] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1560] <... futex resumed>)        = 0
[pid  1566] <... openat resumed>)       = 3
[pid  1565] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1564] <... futex resumed>)        = 0
[pid  1563] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1562] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1561] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1559] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1566] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1565] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1564] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1562] exit_group(0 <unfinished ...>
[pid  1560] exit_group(0 <unfinished ...>
[pid  1566] <... futex resumed>)        = 0
[pid  1565] <... openat resumed>)       = 4
[pid  1564] <... futex resumed>)        = ?
[pid  1562] <... exit_group resumed>)   = ?
[pid  1561] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1559] <... futex resumed>)        = 0
[pid  1566] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1565] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1564] +++ exited with 0 +++
[pid  1563] <... futex resumed>)        = ?
[pid  1562] +++ exited with 0 +++
[pid  1561] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1560] <... exit_group resumed>)   = ?
[pid  1559] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1566] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1565] <... futex resumed>)        = 0
[pid  1563] +++ exited with 0 +++
[pid  1561] <... futex resumed>)        = 0
[pid  1560] +++ exited with 0 +++
[pid  1559] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1562, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1566] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1565] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1561] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1559] exit_group(0 <unfinished ...>
[pid  1566] <... write resumed>)        = 2
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1560, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1565] <... futex resumed>)        = ?
[pid  1559] <... exit_group resumed>)   = ?
[pid  1566] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1565] +++ exited with 0 +++
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1566] <... futex resumed>)        = 1
[pid  1561] <... futex resumed>)        = 0
[pid  1566] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1561] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1566] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1561] <... futex resumed>)        = 0
[pid  1566] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1561] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1566] <... openat resumed>)       = 4
[pid  1566] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1559] +++ exited with 0 +++
[pid  1566] <... futex resumed>)        = 1
[pid  1566] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1561] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1559, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1561] exit_group(0 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1566] <... futex resumed>)        = ?
[pid  1561] <... exit_group resumed>)   = ?
[pid  1566] +++ exited with 0 +++
[pid  1561] +++ exited with 0 +++
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1561, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1567 attached
, child_tidptr=0x55557716c690) = 1567
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1567] set_robust_list(0x55557716c6a0, 24) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1567] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1567] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1567] setpgid(0, 0)               = 0
[pid  1567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1567] write(3, "1000", 4)         = 4
[pid  1567] close(3)                    = 0
[pid  1567] write(1, "executing program\n", 18) = 18
executing program
[pid  1567] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1567] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1567] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1567] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1567] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  1567] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1567] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1568 attached
 => {parent_tid=[1568]}, 88) = 1568
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1567] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1568] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1567] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1567] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1567] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1568] <... set_robust_list resumed>) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1568] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1569 attached
, NULL, 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1568] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1569] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1568] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1570 attached
 <unfinished ...>
[pid  1569] <... set_robust_list resumed>) = 0
[pid  1568] <... futex resumed>)        = 1
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1569
[pid  1569] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1570] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1568] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1567] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1570] <... set_robust_list resumed>) = 0
[pid  1569] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1567] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1570
[pid  1570] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1568] <... futex resumed>)        = 0
[pid  1567] <... futex resumed>)        = 1
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1568] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1567] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1571 attached
[pid  1568] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1568] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1571] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1568] <... futex resumed>)        = 1
[pid  1567] <... futex resumed>)        = 0
[pid  1567] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1571] <... set_robust_list resumed>) = 0
[pid  1568] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1567] <... futex resumed>)        = 0
[pid  1571] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1568] <... openat resumed>)       = 3
[pid  1567] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1568] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1571] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1568] <... futex resumed>)        = 1
[pid  1567] <... futex resumed>)        = 0
[pid  1571] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1568] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1567] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1571] <... prctl resumed>)        = 0
[pid  1568] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1567] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1571] setpgid(0, 0 <unfinished ...>
[pid  1568] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1571] <... setpgid resumed>)      = 0
[pid  1571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1568] <... write resumed>)        = 2
[pid  1569] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1570] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1571
[pid  1569] <... prctl resumed>)        = 0
[pid  1571] <... openat resumed>)       = 3
[pid  1570] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1569] setpgid(0, 0 <unfinished ...>
[pid  1568] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1571] write(3, "1000", 4 <unfinished ...>
[pid  1570] <... prctl resumed>)        = 0
[pid  1569] <... setpgid resumed>)      = 0
[pid  1568] <... futex resumed>)        = 1
[pid  1567] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1571] <... write resumed>)        = 4
[pid  1569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1568] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1567] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1571] close(3 <unfinished ...>
[pid  1570] setpgid(0, 0 <unfinished ...>
[pid  1568] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1567] <... futex resumed>)        = 0
[pid  1571] <... close resumed>)        = 0
[pid  1570] <... setpgid resumed>)      = 0
[pid  1569] <... openat resumed>)       = 3
[pid  1568] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1567] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1571] write(1, "executing program\n", 18 <unfinished ...>
[pid  1570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
executing program
[pid  1569] write(3, "1000", 4 <unfinished ...>
[pid  1568] <... openat resumed>)       = 4
[pid  1571] <... write resumed>)        = 18
[pid  1570] <... openat resumed>)       = 3
[pid  1569] <... write resumed>)        = 4
[pid  1568] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1571] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1570] write(3, "1000", 4 <unfinished ...>
[pid  1569] close(3 <unfinished ...>
[pid  1571] <... futex resumed>)        = 0
[pid  1570] <... write resumed>)        = 4
[pid  1568] <... futex resumed>)        = 1
[pid  1571] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1570] close(3 <unfinished ...>
[pid  1569] <... close resumed>)        = 0
[pid  1571] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1570] <... close resumed>)        = 0
[pid  1568] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1571] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1570] write(1, "executing program\n", 18 <unfinished ...>
[pid  1569] write(1, "executing program\n", 18 <unfinished ...>
[pid  1567] <... futex resumed>)        = 0
executing program
[pid  1571] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1570] <... write resumed>)        = 18
executing program
[pid  1567] exit_group(0 <unfinished ...>
[pid  1571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1570] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1569] <... write resumed>)        = 18
[pid  1568] <... futex resumed>)        = ?
[pid  1567] <... exit_group resumed>)   = ?
[pid  1571] <... mmap resumed>)         = 0x7fb4de009000
[pid  1570] <... futex resumed>)        = 0
[pid  1569] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1568] +++ exited with 0 +++
[pid  1567] +++ exited with 0 +++
[pid  1571] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1570] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1569] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1567, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1570] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1569] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1571] <... mprotect resumed>)     = 0
[pid  1570] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1569] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1569] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1570] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1569] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1569] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1571] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1570] <... mmap resumed>)         = 0x7fb4de009000
[pid  1569] <... mmap resumed>)         = 0x7fb4de009000
ci2-android-6-12-rust/strace-static-x86_64: Process 1572 attached
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1572
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1570] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1571] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1569] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1570] <... mprotect resumed>)     = 0
[pid  1569] <... mprotect resumed>)     = 0
[pid  1571] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1570] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1572] set_robust_list(0x55557716c6a0, 24ci2-android-6-12-rust/strace-static-x86_64: Process 1573 attached
 <unfinished ...>
[pid  1569] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1572] <... set_robust_list resumed>) = 0
[pid  1573] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1570] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1569] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1573] <... set_robust_list resumed>) = 0
[pid  1571] <... clone3 resumed> => {parent_tid=[1573]}, 88) = 1573
[pid  1573] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1572] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1569] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1571] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1573] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1572] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1574 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1575 attached
[pid  1573] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1572] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1571] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1575] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1574] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1571] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1570] <... clone3 resumed> => {parent_tid=[1575]}, 88) = 1575
[pid  1569] <... clone3 resumed> => {parent_tid=[1574]}, 88) = 1574
[pid  1572] <... prctl resumed>)        = 0
[pid  1575] <... set_robust_list resumed>) = 0
[pid  1574] <... set_robust_list resumed>) = 0
[pid  1573] <... futex resumed>)        = 0
[pid  1572] setpgid(0, 0 <unfinished ...>
[pid  1571] <... futex resumed>)        = 1
[pid  1570] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1569] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1575] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1574] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1575] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1573] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1572] <... setpgid resumed>)      = 0
[pid  1574] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1571] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1570] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1569] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1575] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1575] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1574] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1573] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1570] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1569] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1575] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1574] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1575] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1574] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1573] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1572] <... openat resumed>)       = 3
[pid  1570] <... futex resumed>)        = 0
[pid  1569] <... futex resumed>)        = 0
[pid  1575] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1573] <... futex resumed>)        = 1
[pid  1570] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1569] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1574] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1573] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1572] write(3, "1000", 4 <unfinished ...>
[pid  1571] <... futex resumed>)        = 0
[pid  1570] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1574] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1572] <... write resumed>)        = 4
[pid  1571] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1570] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1574] <... futex resumed>)        = 1
[pid  1573] <... futex resumed>)        = 0
[pid  1572] close(3 <unfinished ...>
[pid  1571] <... futex resumed>)        = 1
[pid  1570] <... futex resumed>)        = 0
[pid  1569] <... futex resumed>)        = 0
[pid  1574] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1573] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1571] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1569] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1572] <... close resumed>)        = 0
[pid  1574] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1570] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1569] <... futex resumed>)        = 0
[pid  1573] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1569] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1574] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1572] write(1, "executing program\n", 18 <unfinished ...>
[pid  1575] <... futex resumed>)        = 0
[pid  1575] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  1575] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1575] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1570] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1574] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
executing program
[pid  1570] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1574] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1573] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1572] <... write resumed>)        = 18
[pid  1575] <... futex resumed>)        = 0
[pid  1570] <... futex resumed>)        = 1
[pid  1569] <... futex resumed>)        = 0
[pid  1575] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1574] <... futex resumed>)        = 1
[pid  1573] <... futex resumed>)        = 1
[pid  1572] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1571] <... futex resumed>)        = 0
[pid  1569] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1575] <... openat resumed>)       = 3
[pid  1574] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1573] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1572] <... futex resumed>)        = 0
[pid  1571] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1570] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1569] <... futex resumed>)        = 0
[pid  1575] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1574] <... openat resumed>)       = 3
[pid  1573] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1572] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1571] <... futex resumed>)        = 0
[pid  1570] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1569] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1575] <... futex resumed>)        = 0
[pid  1574] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1573] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1572] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1571] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1570] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1569] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1575] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1574] <... futex resumed>)        = 0
[pid  1573] <... openat resumed>)       = 3
[pid  1572] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1570] <... futex resumed>)        = 0
[pid  1569] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1575] <... write resumed>)        = 2
[pid  1574] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1573] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1572] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1570] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1569] <... futex resumed>)        = 0
[pid  1575] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1574] <... write resumed>)        = 2
[pid  1573] <... futex resumed>)        = 1
[pid  1572] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1571] <... futex resumed>)        = 0
[pid  1570] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1569] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1575] <... futex resumed>)        = 0
[pid  1574] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1573] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1572] <... mmap resumed>)         = 0x7fb4de009000
[pid  1571] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1570] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1575] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1574] <... futex resumed>)        = 0
[pid  1573] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1572] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1571] <... futex resumed>)        = 0
[pid  1570] <... futex resumed>)        = 0
[pid  1569] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1575] <... openat resumed>)       = 4
[pid  1574] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1573] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1575] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1574] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1573] <... write resumed>)        = 2
[pid  1572] <... mprotect resumed>)     = 0
[pid  1571] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1570] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1569] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1575] <... futex resumed>)        = 0
[pid  1574] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1573] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1570] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1569] <... futex resumed>)        = 0
[pid  1570] exit_group(0)               = ?
[pid  1572] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1574] <... openat resumed>)       = 4
[pid  1573] <... futex resumed>)        = 1
[pid  1574] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1572] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1571] <... futex resumed>)        = 0
[pid  1569] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1575] +++ exited with 0 +++
[pid  1574] <... futex resumed>)        = 0
[pid  1573] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1572] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1571] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1570] +++ exited with 0 +++
[pid  1569] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1574] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1573] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1571] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1570, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1571] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 1576 attached
 <unfinished ...>
[pid  1576] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1573] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1569] exit_group(0 <unfinished ...>
[pid  1576] <... set_robust_list resumed>) = 0
[pid  1576] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1573] <... openat resumed>)       = 4
[pid  1576] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1574] <... futex resumed>)        = ?
[pid  1569] <... exit_group resumed>)   = ?
[pid  1574] +++ exited with 0 +++
[pid  1572] <... clone3 resumed> => {parent_tid=[1576]}, 88) = 1576
[pid  1572] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1572] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1576] <... futex resumed>)        = 0
[pid  1572] <... futex resumed>)        = 1
[pid  1576] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1572] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1576] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1576] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1572] <... futex resumed>)        = 0
[pid  1576] <... futex resumed>)        = 1
[pid  1572] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1576] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1572] <... futex resumed>)        = 0
[pid  1576] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1573] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1572] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1569] +++ exited with 0 +++
[pid  1573] <... futex resumed>)        = 1
[pid  1571] <... futex resumed>)        = 0
[pid  1573] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1576] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1571] exit_group(0 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1569, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... restart_syscall resumed>) = 0
[pid  1576] <... futex resumed>)        = 1
[pid  1573] <... futex resumed>)        = ?
[pid  1572] <... futex resumed>)        = 0
[pid  1571] <... exit_group resumed>)   = ?
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1576] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1572] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1576] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1572] <... futex resumed>)        = 0
[pid  1576] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1572] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1576] <... openat resumed>)       = 3
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1573] +++ exited with 0 +++
[pid  1571] +++ exited with 0 +++
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1576] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1571, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 1577 attached
[pid  1572] <... futex resumed>)        = 0
[pid  1576] <... futex resumed>)        = 1
[pid  1576] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1572] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1576] <... futex resumed>)        = 0
[pid  1572] <... futex resumed>)        = 1
[pid  1576] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1572] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1576] <... write resumed>)        = 2
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1577
[pid  1576] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1576] <... futex resumed>)        = 1
[pid  1572] <... futex resumed>)        = 0
[pid  1576] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1572] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1576] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1572] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1576] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1572] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1576] <... openat resumed>)       = 4
[pid  1576] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1572] <... futex resumed>)        = 0
[pid  1572] exit_group(0 <unfinished ...>
[pid  1576] <... futex resumed>)        = ?
[pid  1572] <... exit_group resumed>)   = ?
[pid  1576] +++ exited with 0 +++
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1577] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1577] <... set_robust_list resumed>) = 0
[pid  1572] +++ exited with 0 +++
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1577] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1572, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1577] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1578 attached
[pid  1577] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1578
[pid  1578] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1578] <... set_robust_list resumed>) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1578] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1577] <... prctl resumed>)        = 0
[pid  1578] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1577] setpgid(0, 0)               = 0
[pid  1578] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1578] <... prctl resumed>)        = 0
[pid  1578] setpgid(0, 0)               = 0
[pid  1577] <... openat resumed>)       = 3
[pid  1577] write(3, "1000", 4 <unfinished ...>
[pid  1578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1577] <... write resumed>)        = 4
[pid  1577] close(3)                    = 0
[pid  1577] write(1, "executing program\n", 18) = 18
[pid  1578] <... openat resumed>)       = 3
[pid  1577] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1578] write(3, "1000", 4 <unfinished ...>
[pid  1577] <... futex resumed>)        = 0
executing program
[pid  1578] <... write resumed>)        = 4
[pid  1577] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1577] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1578] close(3 <unfinished ...>
[pid  1577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1578] <... close resumed>)        = 0
[pid  1577] <... mmap resumed>)         = 0x7fb4de009000
[pid  1578] write(1, "executing program\n", 18 <unfinished ...>
[pid  1577] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
executing program
[pid  1578] <... write resumed>)        = 18
[pid  1577] <... mprotect resumed>)     = 0
[pid  1578] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1577] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1578] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1577] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1577] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1579 attached
 <unfinished ...>
[pid  1579] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1578] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1579] <... set_robust_list resumed>) = 0
[pid  1578] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1577] <... clone3 resumed> => {parent_tid=[1579]}, 88) = 1579
[pid  1579] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1578] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1577] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1579] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1578] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1577] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1579] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1577] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1579] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1578] <... mmap resumed>)         = 0x7fb4de009000
[pid  1577] <... futex resumed>)        = 0
[pid  1579] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1578] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1577] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1579] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1578] <... mprotect resumed>)     = 0
[pid  1579] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1577] <... futex resumed>)        = 0
[pid  1579] <... futex resumed>)        = 1
[pid  1577] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1579] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1577] <... futex resumed>)        = 0
[pid  1579] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1577] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1579] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1578] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1578] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1577] <... futex resumed>)        = 0
[pid  1579] <... futex resumed>)        = 1
[pid  1577] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1580 attached
 <unfinished ...>
[pid  1579] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1577] <... futex resumed>)        = 0
[pid  1580] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1579] <... openat resumed>)       = 3
[pid  1578] <... clone3 resumed> => {parent_tid=[1580]}, 88) = 1580
[pid  1577] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1579] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1577] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1578] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1580] <... set_robust_list resumed>) = 0
[pid  1579] <... futex resumed>)        = 0
[pid  1578] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1577] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1580] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1579] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1578] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1577] <... futex resumed>)        = 0
[pid  1580] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1579] <... write resumed>)        = 2
[pid  1578] <... futex resumed>)        = 0
[pid  1577] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1579] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1577] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... restart_syscall resumed>) = 0
[pid  1579] <... futex resumed>)        = 0
[pid  1577] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1579] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1577] <... futex resumed>)        = 0
[pid  1580] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1579] <... openat resumed>)       = 4
[pid  1578] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1577] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1580] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1580] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1579] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1579] <... futex resumed>)        = 1
[pid  1577] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1580] <... futex resumed>)        = 1
[pid  1579] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1578] <... futex resumed>)        = 0
[pid  1577] exit_group(0 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1581 attached
[pid  1580] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1578] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1577] <... exit_group resumed>)   = ?
[pid  1581] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1580] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1579] <... futex resumed>)        = ?
[pid  1578] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1582 attached
 <unfinished ...>
[pid  1581] <... set_robust_list resumed>) = 0
[pid  1580] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1579] +++ exited with 0 +++
[pid  1577] +++ exited with 0 +++
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1581
[pid  1581] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1580] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1582
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1577, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1582] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1581] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1582] <... set_robust_list resumed>) = 0
[pid  1580] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1581] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1580] <... futex resumed>)        = 1
[pid  1578] <... futex resumed>)        = 0
[pid  1582] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1581] <... prctl resumed>)        = 0
[pid  1580] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1578] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1582] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1580] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1578] <... futex resumed>)        = 0
[pid  1580] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1582] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1578] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1580] <... openat resumed>)       = 3
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1582] <... prctl resumed>)        = 0
[pid  1581] setpgid(0, 0 <unfinished ...>
[pid  1580] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1583 attached
 <unfinished ...>
[pid  1582] setpgid(0, 0 <unfinished ...>
[pid  1581] <... setpgid resumed>)      = 0
[pid  1580] <... futex resumed>)        = 1
[pid  1578] <... futex resumed>)        = 0
[pid  1583] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1582] <... setpgid resumed>)      = 0
[pid  1581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1580] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1580] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1578] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1583] <... set_robust_list resumed>) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1583
[pid  1583] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1582] <... openat resumed>)       = 3
[pid  1580] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1578] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1583] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1581] <... openat resumed>)       = 3
[pid  1580] <... write resumed>)        = 2
[pid  1578] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1583] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1582] write(3, "1000", 4 <unfinished ...>
[pid  1580] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1583] <... prctl resumed>)        = 0
[pid  1582] <... write resumed>)        = 4
[pid  1581] write(3, "1000", 4 <unfinished ...>
[pid  1580] <... futex resumed>)        = 0
[pid  1578] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1582] close(3 <unfinished ...>
[pid  1581] <... write resumed>)        = 4
[pid  1580] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1578] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1581] close(3 <unfinished ...>
[pid  1578] <... futex resumed>)        = 0
[pid  1582] <... close resumed>)        = 0
[pid  1580] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1581] <... close resumed>)        = 0
[pid  1582] write(1, "executing program\n", 18 <unfinished ...>
[pid  1581] write(1, "executing program\n", 18 <unfinished ...>
[pid  1580] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1578] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1581] <... write resumed>)        = 18
[pid  1583] setpgid(0, 0)               = 0
executing program
executing program
[pid  1583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1582] <... write resumed>)        = 18
[pid  1581] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1580] <... openat resumed>)       = 4
[pid  1583] <... openat resumed>)       = 3
[pid  1582] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1581] <... futex resumed>)        = 0
[pid  1583] write(3, "1000", 4)         = 4
[pid  1583] close(3 <unfinished ...>
[pid  1581] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1582] <... futex resumed>)        = 0
[pid  1580] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1583] <... close resumed>)        = 0
[pid  1582] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1581] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1583] write(1, "executing program\n", 18 <unfinished ...>
[pid  1580] <... futex resumed>)        = 1
[pid  1578] <... futex resumed>)        = 0
[pid  1583] <... write resumed>)        = 18
[pid  1582] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1581] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1580] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1583] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1582] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1581] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1578] exit_group(0 <unfinished ...>
[pid  1583] <... futex resumed>)        = 0
[pid  1582] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1581] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1583] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1578] <... exit_group resumed>)   = ?
[pid  1583] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1583] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1582] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1581] <... mmap resumed>)         = 0x7fb4de009000
[pid  1580] <... futex resumed>)        = ?
[pid  1583] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1582] <... mmap resumed>)         = 0x7fb4de009000
[pid  1583] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1581] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1580] +++ exited with 0 +++
[pid  1583] <... mmap resumed>)         = 0x7fb4de009000
[pid  1581] <... mprotect resumed>)     = 0
[pid  1583] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1581] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1583] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1583] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1584 attached
 <unfinished ...>
[pid  1584] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1583] <... clone3 resumed> => {parent_tid=[1584]}, 88) = 1584
[pid  1584] <... set_robust_list resumed>) = 0
[pid  1583] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1584] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1583] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1584] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1583] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1584] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1583] <... futex resumed>)        = 0
[pid  1584] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1583] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1582] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1584] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1583] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1584] <... futex resumed>)        = 0
[pid  1584] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1583] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1584] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1583] <... futex resumed>)        = 0
[pid  1583] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1578] +++ exited with 0 +++
[pid  1581] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1582] <... mprotect resumed>)     = 0
[pid  1581] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1584] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1582] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1584] <... futex resumed>)        = 1
[pid  1583] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1585 attached
[pid  1584] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1583] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1582] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1578, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1585] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1584] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1583] <... futex resumed>)        = 0
[pid  1581] <... clone3 resumed> => {parent_tid=[1585]}, 88) = 1585
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1582] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1585] <... set_robust_list resumed>) = 0
[pid  1584] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1583] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1581] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1585] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1584] <... openat resumed>)       = 3
[pid  1581] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1585] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1582] <... clone3 resumed> => {parent_tid=[1586]}, 88) = 1586
[pid  1581] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1586 attached
 <unfinished ...>
[pid  1584] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1582] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1581] <... futex resumed>)        = 0
[pid  1586] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1585] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1584] <... futex resumed>)        = 1
[pid  1583] <... futex resumed>)        = 0
[pid  1582] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1586] <... set_robust_list resumed>) = 0
[pid  1585] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1584] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1583] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1582] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1581] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1586] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1584] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1583] <... futex resumed>)        = 0
[pid  1582] <... futex resumed>)        = 0
[pid  1586] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1585] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1584] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1583] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1586] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1585] <... futex resumed>)        = 1
[pid  1584] <... write resumed>)        = 2
[pid  1582] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1581] <... futex resumed>)        = 0
[pid  1586] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1585] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1584] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1581] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1586] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1585] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1584] <... futex resumed>)        = 1
[pid  1583] <... futex resumed>)        = 0
[pid  1581] <... futex resumed>)        = 0
[pid  1586] <... futex resumed>)        = 1
[pid  1585] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1584] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1583] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1582] <... futex resumed>)        = 0
[pid  1581] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1586] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1584] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1583] <... futex resumed>)        = 0
[pid  1585] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1584] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1583] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1582] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1585] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1584] <... openat resumed>)       = 4
[pid  1586] <... futex resumed>)        = 0
[pid  1582] <... futex resumed>)        = 1
[pid  1586] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  1582] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1585] <... futex resumed>)        = 1
[pid  1584] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1581] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  1585] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1581] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1586] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1585] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1584] <... futex resumed>)        = 1
[pid  1583] <... futex resumed>)        = 0
[pid  1581] <... futex resumed>)        = 0
[pid  1586] <... futex resumed>)        = 1
[pid  1585] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1584] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1583] exit_group(0 <unfinished ...>
[pid  1582] <... futex resumed>)        = 0
[pid  1586] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1584] <... futex resumed>)        = ?
[pid  1583] <... exit_group resumed>)   = ?
[pid  1581] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1585] <... openat resumed>)       = 3
[pid  1584] +++ exited with 0 +++
[pid  1583] +++ exited with 0 +++
[pid  1582] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1586] <... futex resumed>)        = 0
[pid  1585] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1582] <... futex resumed>)        = 1
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1583, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1586] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1585] <... futex resumed>)        = 1
[pid  1582] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1581] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1586] <... openat resumed>)       = 3
[pid  1586] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1586] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1585] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1582] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 1587 attached
[pid  1581] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1582] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1587] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1586] <... futex resumed>)        = 0
[pid  1585] <... futex resumed>)        = 0
[pid  1582] <... futex resumed>)        = 1
[pid  1581] <... futex resumed>)        = 1
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1587
[pid  1587] <... set_robust_list resumed>) = 0
[pid  1586] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1585] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1581] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1587] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1586] <... write resumed>)        = 2
[pid  1585] <... write resumed>)        = 2
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1587] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1586] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1585] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1587] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1586] <... futex resumed>)        = 0
[pid  1585] <... futex resumed>)        = 1
[pid  1582] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1581] <... futex resumed>)        = 0
[pid  1582] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1586] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1585] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1582] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1581] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1587] <... prctl resumed>)        = 0
[pid  1586] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1582] <... futex resumed>)        = 0
[pid  1586] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1585] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1587] setpgid(0, 0 <unfinished ...>
[pid  1582] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1581] <... futex resumed>)        = 0
[pid  1587] <... setpgid resumed>)      = 0
[pid  1586] <... openat resumed>)       = 4
[pid  1585] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1581] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1586] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1587] <... openat resumed>)       = 3
[pid  1582] <... futex resumed>)        = 0
[pid  1587] write(3, "1000", 4 <unfinished ...>
[pid  1585] <... openat resumed>)       = 4
[pid  1582] exit_group(0 <unfinished ...>
[pid  1587] <... write resumed>)        = 4
[pid  1585] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1587] close(3 <unfinished ...>
[pid  1582] <... exit_group resumed>)   = ?
[pid  1585] <... futex resumed>)        = 1
[pid  1581] <... futex resumed>)        = 0
[pid  1587] <... close resumed>)        = 0
[pid  1587] write(1, "executing program\n", 18 <unfinished ...>
[pid  1586] <... futex resumed>)        = ?
executing program
[pid  1585] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1581] exit_group(0 <unfinished ...>
[pid  1587] <... write resumed>)        = 18
[pid  1586] +++ exited with 0 +++
[pid  1582] +++ exited with 0 +++
[pid  1581] <... exit_group resumed>)   = ?
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1582, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1585] <... futex resumed>)        = ?
[pid  1585] +++ exited with 0 +++
[pid  1587] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1587] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1587] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1587] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1587] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1587] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1588 attached
 <unfinished ...>
[pid  1588] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1587] <... clone3 resumed> => {parent_tid=[1588]}, 88) = 1588
[pid  1588] <... set_robust_list resumed>) = 0
[pid  1587] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1588] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1587] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1588] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1587] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1588] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1587] <... futex resumed>)        = 0
[pid  1587] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1588] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1588] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1587] <... futex resumed>)        = 0
[pid  1588] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1587] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1588] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1587] <... futex resumed>)        = 0
[pid  1588] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1587] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1588] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1581] +++ exited with 0 +++
[pid  1588] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1587] <... futex resumed>)        = 0
[pid  1587] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1587] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1588] <... futex resumed>)        = 1
[pid  1588] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  1588] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1587] <... futex resumed>)        = 0
[pid  1588] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1587] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1588] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1587] <... futex resumed>)        = 0
[pid  1588] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1587] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1588] <... write resumed>)        = 2
[pid  1588] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1587] <... futex resumed>)        = 0
[pid  1588] <... futex resumed>)        = 1
[pid  1587] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1588] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1587] <... futex resumed>)        = 0
[pid  1587] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1588] <... openat resumed>)       = 4
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1581, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1588] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1587] <... futex resumed>)        = 0
[pid  1588] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1587] exit_group(0 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1588] <... futex resumed>)        = ?
[pid   313] <... restart_syscall resumed>) = 0
[pid  1588] +++ exited with 0 +++
[pid  1587] <... exit_group resumed>)   = ?
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1587] +++ exited with 0 +++
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1590 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1589 attached
 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1587, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1589
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1589] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1590] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1589] <... set_robust_list resumed>) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1591 attached
[pid  1590] <... set_robust_list resumed>) = 0
[pid  1589] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1590] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1590
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1590] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1590] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1590] setpgid(0, 0)               = 0
[pid  1590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1591
[pid  1591] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1589] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1591] <... set_robust_list resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1591] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1590] <... openat resumed>)       = 3
[pid  1589] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1591] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1589] <... prctl resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1590] write(3, "1000", 4 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1590] <... write resumed>)        = 4
[pid  1590] close(3 <unfinished ...>
[pid  1591] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1590] <... close resumed>)        = 0
[pid  1590] write(1, "executing program\n", 18) = 18
[pid  1590] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1590] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1590] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1591] <... prctl resumed>)        = 0
[pid  1589] setpgid(0, 0ci2-android-6-12-rust/strace-static-x86_64: Process 1592 attached
executing program
 <unfinished ...>
[pid  1591] setpgid(0, 0 <unfinished ...>
[pid  1590] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1589] <... setpgid resumed>)      = 0
[pid  1592] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1591] <... setpgid resumed>)      = 0
[pid  1590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1592] <... set_robust_list resumed>) = 0
[pid  1591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1590] <... mmap resumed>)         = 0x7fb4de009000
[pid  1589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1592
[pid  1592] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1592] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1590] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1592] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1591] <... openat resumed>)       = 3
[pid  1590] <... mprotect resumed>)     = 0
[pid  1589] <... openat resumed>)       = 3
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1591] write(3, "1000", 4 <unfinished ...>
[pid  1590] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1592] <... prctl resumed>)        = 0
[pid  1592] setpgid(0, 0)               = 0
[pid  1590] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1591] <... write resumed>)        = 4
[pid  1590] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1589] write(3, "1000", 4 <unfinished ...>
[pid  1592] <... openat resumed>)       = 3
[pid  1591] close(3 <unfinished ...>
[pid  1589] <... write resumed>)        = 4
[pid  1592] write(3, "1000", 4 <unfinished ...>
[pid  1591] <... close resumed>)        = 0
[pid  1589] close(3 <unfinished ...>
[pid  1592] <... write resumed>)        = 4
[pid  1592] close(3)                    = 0
executing program
[pid  1592] write(1, "executing program\n", 18 <unfinished ...>
[pid  1590] <... clone3 resumed> => {parent_tid=[1593]}, 88) = 1593
[pid  1592] <... write resumed>)        = 18
[pid  1592] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1590] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1592] <... futex resumed>)        = 0
[pid  1590] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1592] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1590] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1592] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1590] <... futex resumed>)        = 0
[pid  1592] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1590] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1592] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1592] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1592] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1593 attached
 <unfinished ...>
[pid  1589] <... close resumed>)        = 0
[pid  1592] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1592] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1591] write(1, "executing program\n", 18 <unfinished ...>
[pid  1589] write(1, "executing program\n", 18 <unfinished ...>
[pid  1593] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1591] <... write resumed>)        = 18
[pid  1589] <... write resumed>)        = 18
[pid  1593] <... set_robust_list resumed>) = 0
[pid  1593] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1591] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1589] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1594 attached
 <unfinished ...>
[pid  1593] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
executing program
[pid  1592] <... clone3 resumed> => {parent_tid=[1594]}, 88) = 1594
[pid  1591] <... futex resumed>)        = 0
[pid  1589] <... futex resumed>)        = 0
[pid  1594] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1591] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1589] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1594] <... set_robust_list resumed>) = 0
[pid  1591] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1589] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1594] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1591] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1589] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1592] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1591] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1589] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1594] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1592] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1593] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1592] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1593] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1592] <... futex resumed>)        = 0
[pid  1591] <... mmap resumed>)         = 0x7fb4de009000
[pid  1589] <... mmap resumed>)         = 0x7fb4de009000
[pid  1594] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1593] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1592] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1591] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1589] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1594] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1593] <... futex resumed>)        = 1
[pid  1591] <... mprotect resumed>)     = 0
[pid  1589] <... mprotect resumed>)     = 0
[pid  1590] <... futex resumed>)        = 0
[pid  1590] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1590] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1594] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1593] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1591] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1589] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1594] <... futex resumed>)        = 1
[pid  1592] <... futex resumed>)        = 0
[pid  1591] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1594] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1589] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1591] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1589] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1595 attached
 <unfinished ...>
[pid  1592] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1596 attached
 <unfinished ...>
[pid  1595] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1594] <... futex resumed>)        = 0
[pid  1593] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1592] <... futex resumed>)        = 1
[pid  1589] <... clone3 resumed> => {parent_tid=[1595]}, 88) = 1595
[pid  1596] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1595] <... set_robust_list resumed>) = 0
[pid  1594] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1593] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1592] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1591] <... clone3 resumed> => {parent_tid=[1596]}, 88) = 1596
[pid  1589] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1596] <... set_robust_list resumed>) = 0
[pid  1595] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1594] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1593] <... futex resumed>)        = 1
[pid  1591] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1590] <... futex resumed>)        = 0
[pid  1589] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1596] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1595] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1594] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1593] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1591] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1590] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1589] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1596] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1595] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1594] <... futex resumed>)        = 1
[pid  1593] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1591] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1590] <... futex resumed>)        = 0
[pid  1589] <... futex resumed>)        = 0
[pid  1596] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1595] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1594] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1593] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1591] <... futex resumed>)        = 0
[pid  1590] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1589] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1596] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1595] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1592] <... futex resumed>)        = 0
[pid  1592] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1596] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1595] <... futex resumed>)        = 0
[pid  1594] <... futex resumed>)        = 0
[pid  1593] <... openat resumed>)       = 3
[pid  1592] <... futex resumed>)        = 1
[pid  1591] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1589] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1596] <... futex resumed>)        = 0
[pid  1595] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1594] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1593] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1592] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1591] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1589] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1596] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1595] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1594] <... openat resumed>)       = 3
[pid  1593] <... futex resumed>)        = 1
[pid  1591] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1590] <... futex resumed>)        = 0
[pid  1589] <... futex resumed>)        = 0
[pid  1596] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1596] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1589] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1595] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1594] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1593] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1591] <... futex resumed>)        = 0
[pid  1590] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1596] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1595] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1594] <... futex resumed>)        = 1
[pid  1593] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1592] <... futex resumed>)        = 0
[pid  1591] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1590] <... futex resumed>)        = 0
[pid  1596] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1595] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1594] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1593] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1592] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1591] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1590] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1596] <... futex resumed>)        = 0
[pid  1595] <... futex resumed>)        = 1
[pid  1592] <... futex resumed>)        = 0
[pid  1589] <... futex resumed>)        = 0
[pid  1596] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1595] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1594] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1593] <... write resumed>)        = 2
[pid  1592] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1591] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1589] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1596] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1595] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1594] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1593] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1591] <... futex resumed>)        = 0
[pid  1589] <... futex resumed>)        = 0
[pid  1596] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1595] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1594] <... write resumed>)        = 2
[pid  1593] <... futex resumed>)        = 1
[pid  1591] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1590] <... futex resumed>)        = 0
[pid  1589] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1596] <... openat resumed>)       = 3
[pid  1595] <... openat resumed>)       = 3
[pid  1594] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1593] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1590] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1596] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1595] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1594] <... futex resumed>)        = 1
[pid  1593] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1592] <... futex resumed>)        = 0
[pid  1590] <... futex resumed>)        = 0
[pid  1596] <... futex resumed>)        = 1
[pid  1595] <... futex resumed>)        = 1
[pid  1594] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1593] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1592] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1591] <... futex resumed>)        = 0
[pid  1590] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1589] <... futex resumed>)        = 0
[pid  1596] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1595] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1594] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1592] <... futex resumed>)        = 0
[pid  1591] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1589] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1596] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1595] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1594] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1593] <... openat resumed>)       = 4
[pid  1592] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1591] <... futex resumed>)        = 0
[pid  1589] <... futex resumed>)        = 0
[pid  1596] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1595] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1594] <... openat resumed>)       = 4
[pid  1589] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1596] <... write resumed>)        = 2
[pid  1595] <... write resumed>)        = 2
[pid  1596] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1595] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1596] <... futex resumed>)        = 0
[pid  1595] <... futex resumed>)        = 1
[pid  1589] <... futex resumed>)        = 0
[pid  1596] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1595] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1589] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1595] <... openat resumed>)       = 4
[pid  1594] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1593] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1591] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1589] <... futex resumed>)        = 0
[pid  1591] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1589] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1595] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1594] <... futex resumed>)        = 1
[pid  1593] <... futex resumed>)        = 1
[pid  1592] <... futex resumed>)        = 0
[pid  1591] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1590] <... futex resumed>)        = 0
[pid  1589] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1595] <... futex resumed>)        = 0
[pid  1594] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1593] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1592] exit_group(0 <unfinished ...>
[pid  1589] exit_group(0 <unfinished ...>
[pid  1596] <... futex resumed>)        = 0
[pid  1595] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1594] <... futex resumed>)        = ?
[pid  1592] <... exit_group resumed>)   = ?
[pid  1591] <... futex resumed>)        = 1
[pid  1590] exit_group(0 <unfinished ...>
[pid  1596] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1595] +++ exited with 0 +++
[pid  1589] <... exit_group resumed>)   = ?
[pid  1596] <... openat resumed>)       = 4
[pid  1593] <... futex resumed>)        = ?
[pid  1591] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1590] <... exit_group resumed>)   = ?
[pid  1593] +++ exited with 0 +++
[pid  1590] +++ exited with 0 +++
[pid  1589] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1590, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1596] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1596] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1589, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1591] <... futex resumed>)        = 0
[pid  1591] exit_group(0 <unfinished ...>
[pid  1594] +++ exited with 0 +++
[pid  1592] +++ exited with 0 +++
[pid  1596] <... futex resumed>)        = ?
[pid  1591] <... exit_group resumed>)   = ?
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1592, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1596] +++ exited with 0 +++
[pid  1591] +++ exited with 0 +++
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1591, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1597 attached
, child_tidptr=0x55557716c690) = 1597
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1597] set_robust_list(0x55557716c6a0, 24) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1597] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1597] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1597] <... prctl resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1598 attached
[pid  1597] setpgid(0, 0 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1598
[pid  1598] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1597] <... setpgid resumed>)      = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1598] <... set_robust_list resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1597] <... openat resumed>)       = 3
[pid  1598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1597] write(3, "1000", 4ci2-android-6-12-rust/strace-static-x86_64: Process 1599 attached
)         = 4
[pid  1598] setpgid(0, 0 <unfinished ...>
[pid  1597] close(3 <unfinished ...>
[pid  1598] <... setpgid resumed>)      = 0
[pid  1597] <... close resumed>)        = 0
[pid  1599] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1599
[pid  1599] <... set_robust_list resumed>) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1599] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1597] write(1, "executing program\n", 18 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1599] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  1597] <... write resumed>)        = 18
[pid  1599] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1598] <... openat resumed>)       = 3
[pid  1597] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1598] write(3, "1000", 4 <unfinished ...>
[pid  1597] <... futex resumed>)        = 0
[pid  1599] <... prctl resumed>)        = 0
[pid  1597] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1599] setpgid(0, 0 <unfinished ...>
[pid  1598] <... write resumed>)        = 4
[pid  1597] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1599] <... setpgid resumed>)      = 0
[pid  1598] close(3 <unfinished ...>
[pid  1597] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 1600 attached
 <unfinished ...>
[pid  1599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1598] <... close resumed>)        = 0
[pid  1597] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1598] write(1, "executing program\n", 18 <unfinished ...>
[pid  1597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1600] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1598] <... write resumed>)        = 18
[pid  1599] <... openat resumed>)       = 3
executing program
[pid  1597] <... mmap resumed>)         = 0x7fb4de009000
[pid  1600] <... set_robust_list resumed>) = 0
[pid  1598] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1599] write(3, "1000", 4)         = 4
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1600
[pid  1599] close(3 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1599] <... close resumed>)        = 0
[pid  1600] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1598] <... futex resumed>)        = 0
[pid  1600] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1597] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1598] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1599] write(1, "executing program\n", 18 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1600] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1599] <... write resumed>)        = 18
executing program
[pid  1598] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1597] <... mprotect resumed>)     = 0
[pid  1600] <... prctl resumed>)        = 0
[pid  1599] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1598] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1599] <... futex resumed>)        = 0
[pid  1599] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1598] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1599] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1597] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1598] <... mmap resumed>)         = 0x7fb4de009000
[pid  1600] setpgid(0, 0 <unfinished ...>
[pid  1598] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1599] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1598] <... mprotect resumed>)     = 0
[pid  1600] <... setpgid resumed>)      = 0
[pid  1597] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1599] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1599] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1601 attached
 <unfinished ...>
[pid  1601] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1597] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1598] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1602 attached
 <unfinished ...>
[pid  1601] <... set_robust_list resumed>) = 0
[pid  1599] <... clone3 resumed> => {parent_tid=[1601]}, 88) = 1601
[pid  1598] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1602] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1601] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1599] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1598] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1602] <... set_robust_list resumed>) = 0
[pid  1601] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1599] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1602] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1601] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1599] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1603 attached
 <unfinished ...>
[pid  1602] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1601] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1599] <... futex resumed>)        = 0
[pid  1597] <... clone3 resumed> => {parent_tid=[1602]}, 88) = 1602
[pid  1602] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1601] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1600] <... openat resumed>)       = 3
[pid  1599] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1598] <... clone3 resumed> => {parent_tid=[1603]}, 88) = 1603
[pid  1603] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1600] write(3, "1000", 4 <unfinished ...>
[pid  1598] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1597] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1603] <... set_robust_list resumed>) = 0
[pid  1600] <... write resumed>)        = 4
[pid  1598] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1597] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1603] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1600] close(3 <unfinished ...>
[pid  1601] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1601] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1597] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1601] <... futex resumed>)        = 1
[pid  1600] <... close resumed>)        = 0
[pid  1599] <... futex resumed>)        = 0
[pid  1602] <... futex resumed>)        = 0
[pid  1601] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1600] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  1599] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1597] <... futex resumed>)        = 1
[pid  1603] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1602] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1601] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1600] <... write resumed>)        = 18
[pid  1599] <... futex resumed>)        = 0
[pid  1598] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1603] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1602] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1601] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1600] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1599] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1598] <... futex resumed>)        = 0
[pid  1597] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1603] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1602] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1601] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1600] <... futex resumed>)        = 0
[pid  1603] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1602] <... futex resumed>)        = 0
[pid  1600] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1598] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1597] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1603] <... futex resumed>)        = 0
[pid  1602] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1600] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1597] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1598] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1603] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1602] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1601] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1597] <... futex resumed>)        = 0
[pid  1600] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1603] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1602] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1601] <... futex resumed>)        = 1
[pid  1600] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1599] <... futex resumed>)        = 0
[pid  1598] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1597] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1603] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1602] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1601] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1600] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1599] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1598] <... futex resumed>)        = 0
[pid  1602] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1601] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1599] <... futex resumed>)        = 0
[pid  1598] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1603] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1602] <... futex resumed>)        = 1
[pid  1601] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1600] <... mmap resumed>)         = 0x7fb4de009000
[pid  1599] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1597] <... futex resumed>)        = 0
[pid  1603] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1602] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1601] <... openat resumed>)       = 3
[pid  1600] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1597] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1603] <... futex resumed>)        = 1
[pid  1602] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1601] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1598] <... futex resumed>)        = 0
[pid  1597] <... futex resumed>)        = 0
[pid  1603] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1602] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1601] <... futex resumed>)        = 1
[pid  1600] <... mprotect resumed>)     = 0
[pid  1599] <... futex resumed>)        = 0
[pid  1598] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1597] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1603] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1602] <... openat resumed>)       = 3
[pid  1601] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1600] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1599] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1598] <... futex resumed>)        = 0
[pid  1603] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1602] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1601] <... write resumed>)        = 2
[pid  1600] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1599] <... futex resumed>)        = 0
[pid  1598] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1603] <... openat resumed>)       = 3
[pid  1602] <... futex resumed>)        = 1
[pid  1601] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1599] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1597] <... futex resumed>)        = 0
[pid  1600] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1603] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1602] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1601] <... futex resumed>)        = 0
[pid  1599] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1597] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1603] <... futex resumed>)        = 1
[pid  1602] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1601] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1599] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1598] <... futex resumed>)        = 0
[pid  1597] <... futex resumed>)        = 0
[pid  1603] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1602] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1601] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1599] <... futex resumed>)        = 0
[pid  1598] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1603] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1597] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1604 attached
 <unfinished ...>
[pid  1602] <... write resumed>)        = 2
[pid  1601] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1599] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1604] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1603] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1602] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1601] <... openat resumed>)       = 4
[pid  1598] <... futex resumed>)        = 0
[pid  1597] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1604] <... set_robust_list resumed>) = 0
[pid  1603] <... write resumed>)        = 2
[pid  1602] <... futex resumed>)        = 0
[pid  1601] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1600] <... clone3 resumed> => {parent_tid=[1604]}, 88) = 1604
[pid  1598] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1597] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1604] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1603] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1602] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1600] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1598] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1597] <... futex resumed>)        = 0
[pid  1604] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1603] <... futex resumed>)        = 0
[pid  1602] <... openat resumed>)       = 4
[pid  1601] <... futex resumed>)        = 1
[pid  1600] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1599] <... futex resumed>)        = 0
[pid  1598] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1597] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1604] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1603] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1602] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1601] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1600] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1599] exit_group(0 <unfinished ...>
[pid  1598] <... futex resumed>)        = 0
[pid  1597] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1604] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1603] <... openat resumed>)       = 4
[pid  1602] <... futex resumed>)        = 0
[pid  1601] <... futex resumed>)        = ?
[pid  1600] <... futex resumed>)        = 0
[pid  1599] <... exit_group resumed>)   = ?
[pid  1598] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1597] exit_group(0 <unfinished ...>
[pid  1604] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1603] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1601] +++ exited with 0 +++
[pid  1600] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1599] +++ exited with 0 +++
[pid  1598] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1597] <... exit_group resumed>)   = ?
[pid  1604] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1604] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1602] +++ exited with 0 +++
[pid  1598] exit_group(0 <unfinished ...>
[pid  1604] <... futex resumed>)        = 0
[pid  1604] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1603] <... futex resumed>)        = 0
[pid  1603] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1600] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1600] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1604] <... futex resumed>)        = 0
[pid  1600] <... futex resumed>)        = 1
[pid  1604] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1603] <... futex resumed>)        = ?
[pid  1600] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1598] <... exit_group resumed>)   = ?
[pid  1597] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1599, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1603] +++ exited with 0 +++
[pid  1604] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1604] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1600] <... futex resumed>)        = 0
[pid  1598] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1597, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1604] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1600] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1598, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1604] <... openat resumed>)       = 3
[pid  1600] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1604] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1600] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  1604] <... futex resumed>)        = 0
[pid  1600] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1600] <... futex resumed>)        = 0
[pid  1600] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1604] write(3, "\x38\x00", 2 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1604] <... write resumed>)        = 2
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1604] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1604] <... futex resumed>)        = 1
[pid  1600] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1605 attached
 <unfinished ...>
[pid  1604] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1600] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1600] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1605
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1606 attached
[pid  1604] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1605] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1604] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1606] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1605] <... set_robust_list resumed>) = 0
[pid  1606] <... set_robust_list resumed>) = 0
[pid  1606] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1605] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1606
[pid   312] <... restart_syscall resumed>) = 0
[pid  1606] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1605] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1604] <... openat resumed>)       = 4
[pid  1606] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1604] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1605] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1606] <... prctl resumed>)        = 0
[pid  1605] <... prctl resumed>)        = 0
[pid  1604] <... futex resumed>)        = 1
[pid  1600] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1606] setpgid(0, 0 <unfinished ...>
[pid  1605] setpgid(0, 0 <unfinished ...>
[pid  1604] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1606] <... setpgid resumed>)      = 0
[pid  1605] <... setpgid resumed>)      = 0
[pid  1600] exit_group(0 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1604] <... futex resumed>)        = ?
[pid  1600] <... exit_group resumed>)   = ?
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1606] <... openat resumed>)       = 3
[pid  1605] <... openat resumed>)       = 3
[pid  1605] write(3, "1000", 4)         = 4
ci2-android-6-12-rust/strace-static-x86_64: Process 1607 attached
[pid  1605] close(3)                    = 0
[pid  1605] write(1, "executing program\n", 18) = 18
executing program
[pid  1605] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1605] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1604] +++ exited with 0 +++
[pid  1600] +++ exited with 0 +++
[pid  1606] write(3, "1000", 4 <unfinished ...>
[pid  1607] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1606] <... write resumed>)        = 4
[pid  1607] <... set_robust_list resumed>) = 0
[pid  1607] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1606] close(3 <unfinished ...>
[pid  1605] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1607
[pid  1606] <... close resumed>)        = 0
[pid  1605] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1600, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1605] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1605] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1605] <... mmap resumed>)         = 0x7fb4de009000
[pid  1605] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1607] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1606] write(1, "executing program\n", 18 <unfinished ...>
[pid  1605] <... mprotect resumed>)     = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
executing program
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1607] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1606] <... write resumed>)        = 18
[pid  1605] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1606] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1605] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1607] <... prctl resumed>)        = 0
[pid  1606] <... futex resumed>)        = 0
[pid  1607] setpgid(0, 0 <unfinished ...>
[pid  1606] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1605] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1609 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1608 attached
 <unfinished ...>
[pid  1607] <... setpgid resumed>)      = 0
[pid  1606] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1606] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1605] <... clone3 resumed> => {parent_tid=[1609]}, 88) = 1609
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1608
[pid  1606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1606] <... mmap resumed>)         = 0x7fb4de009000
[pid  1605] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1609] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1606] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1605] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1608] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1605] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1606] <... mprotect resumed>)     = 0
[pid  1609] <... set_robust_list resumed>) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1605] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1608] <... set_robust_list resumed>) = 0
[pid  1607] <... openat resumed>)       = 3
[pid  1609] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1606] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1607] write(3, "1000", 4 <unfinished ...>
[pid  1609] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1608] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1607] <... write resumed>)        = 4
[pid  1606] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1609] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1608] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1607] close(3 <unfinished ...>
[pid  1609] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1607] <... close resumed>)        = 0
[pid  1606] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1609] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1608] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1607] write(1, "executing program\n", 18ci2-android-6-12-rust/strace-static-x86_64: Process 1610 attached
executing program
 <unfinished ...>
[pid  1609] <... futex resumed>)        = 1
[pid  1608] <... prctl resumed>)        = 0
[pid  1607] <... write resumed>)        = 18
[pid  1605] <... futex resumed>)        = 0
[pid  1608] setpgid(0, 0 <unfinished ...>
[pid  1610] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1607] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1605] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1610] <... set_robust_list resumed>) = 0
[pid  1607] <... futex resumed>)        = 0
[pid  1605] <... futex resumed>)        = 0
[pid  1610] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1607] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1605] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1610] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1607] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1610] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1607] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1609] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1607] <... mmap resumed>)         = 0x7fb4de009000
[pid  1609] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1608] <... setpgid resumed>)      = 0
[pid  1606] <... clone3 resumed> => {parent_tid=[1610]}, 88) = 1610
[pid  1609] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1606] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1607] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1609] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1607] <... mprotect resumed>)     = 0
[pid  1606] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1609] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1608] <... openat resumed>)       = 3
[pid  1607] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1606] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1609] <... futex resumed>)        = 1
[pid  1608] write(3, "1000", 4 <unfinished ...>
[pid  1607] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1605] <... futex resumed>)        = 0
[pid  1610] <... futex resumed>)        = 0
[pid  1606] <... futex resumed>)        = 1
[pid  1610] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1609] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1608] <... write resumed>)        = 4
[pid  1607] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1606] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1605] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1611 attached
 <unfinished ...>
[pid  1610] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1609] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1608] close(3 <unfinished ...>
[pid  1605] <... futex resumed>)        = 0
[pid  1611] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1609] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1611] <... set_robust_list resumed>) = 0
[pid  1608] <... close resumed>)        = 0
[pid  1609] <... openat resumed>)       = 3
[pid  1611] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1609] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1608] write(1, "executing program\n", 18 <unfinished ...>
[pid  1611] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1609] <... futex resumed>)        = 0
[pid  1611] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1609] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1608] <... write resumed>)        = 18
[pid  1610] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1607] <... clone3 resumed> => {parent_tid=[1611]}, 88) = 1611
[pid  1605] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1610] <... futex resumed>)        = 1
[pid  1608] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1607] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1606] <... futex resumed>)        = 0
[pid  1605] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1610] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1608] <... futex resumed>)        = 0
[pid  1607] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1606] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1605] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1610] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1608] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1607] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1606] <... futex resumed>)        = 0
[pid  1609] <... futex resumed>)        = 0
[pid  1605] <... futex resumed>)        = 1
[pid  1611] <... futex resumed>)        = 0
[pid  1610] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1609] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1608] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1607] <... futex resumed>)        = 1
[pid  1606] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1605] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1610] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1609] <... write resumed>)        = 2
[pid  1608] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1607] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1610] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1609] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1608] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1610] <... futex resumed>)        = 1
[pid  1609] <... futex resumed>)        = 1
[pid  1608] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1606] <... futex resumed>)        = 0
[pid  1605] <... futex resumed>)        = 0
[pid  1610] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1609] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1608] <... mmap resumed>)         = 0x7fb4de009000
[pid  1606] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1605] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1611] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1610] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1609] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1608] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1606] <... futex resumed>)        = 0
[pid  1605] <... futex resumed>)        = 0
[pid  1610] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1606] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1605] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1611] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1610] <... openat resumed>)       = 3
[pid  1609] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1608] <... mprotect resumed>)     = 0
[pid  1611] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1610] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1609] <... openat resumed>)       = 4
[pid  1606] <... futex resumed>)        = 0
[pid  1611] <... futex resumed>)        = 1
[pid  1610] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1608] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1607] <... futex resumed>)        = 0
[pid  1606] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1611] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1610] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1609] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1607] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1606] <... futex resumed>)        = 0
[pid  1610] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1607] <... futex resumed>)        = 0
[pid  1606] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1610] <... write resumed>)        = 2
[pid  1607] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1610] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1606] <... futex resumed>)        = 0
[pid  1610] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1606] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1611] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1609] <... futex resumed>)        = 1
[pid  1608] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1606] <... futex resumed>)        = 0
[pid  1605] <... futex resumed>)        = 0
[pid  1611] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1610] <... openat resumed>)       = 4
[pid  1609] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1608] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1606] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1605] exit_group(0 <unfinished ...>
[pid  1610] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1606] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1605] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 1612 attached
[pid  1611] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1610] <... futex resumed>)        = 0
[pid  1609] <... futex resumed>)        = ?
[pid  1606] exit_group(0 <unfinished ...>
[pid  1612] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1611] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1606] <... exit_group resumed>)   = ?
[pid  1612] <... set_robust_list resumed>) = 0
[pid  1611] <... futex resumed>)        = 1
[pid  1610] +++ exited with 0 +++
[pid  1609] +++ exited with 0 +++
[pid  1608] <... clone3 resumed> => {parent_tid=[1612]}, 88) = 1612
[pid  1607] <... futex resumed>)        = 0
[pid  1606] +++ exited with 0 +++
[pid  1605] +++ exited with 0 +++
[pid  1612] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1611] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1608] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1607] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1605, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1612] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1611] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1608] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1607] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1612] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1611] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1608] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1607] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1606, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1612] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1612] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1611] <... openat resumed>)       = 3
[pid  1608] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1611] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1608] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1611] <... futex resumed>)        = 1
[pid  1612] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1611] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1607] <... futex resumed>)        = 0
[pid  1612] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1607] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1612] <... futex resumed>)        = 1
[pid  1608] <... futex resumed>)        = 0
[pid  1607] <... futex resumed>)        = 0
[pid  1612] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1611] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1608] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1607] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1612] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1611] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1608] <... futex resumed>)        = 0
[pid  1612] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1611] <... write resumed>)        = 2
[pid  1612] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1608] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1612] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1611] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1608] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1612] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1611] <... futex resumed>)        = 1
[pid  1608] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1607] <... futex resumed>)        = 0
[pid  1612] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1611] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1608] <... futex resumed>)        = 0
[pid  1607] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1612] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1611] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1608] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1607] <... futex resumed>)        = 0
[pid  1612] <... openat resumed>)       = 3
[pid  1611] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1607] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1612] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1612] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1611] <... openat resumed>)       = 4
[pid  1608] <... futex resumed>)        = 0
[pid  1611] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1608] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1611] <... futex resumed>)        = 1
[pid  1608] <... futex resumed>)        = 1
[pid  1611] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1608] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1612] <... futex resumed>)        = 0
[pid  1607] <... futex resumed>)        = 0
[pid  1612] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1607] exit_group(0 <unfinished ...>
[pid  1612] <... write resumed>)        = 2
[pid  1607] <... exit_group resumed>)   = ?
[pid  1612] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1611] <... futex resumed>)        = ?
[pid  1612] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1608] <... futex resumed>)        = 0
[pid  1608] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1612] <... futex resumed>)        = 0
[pid  1612] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid  1611] +++ exited with 0 +++
[pid  1608] <... futex resumed>)        = 1
[pid  1607] +++ exited with 0 +++
[pid   313] <... restart_syscall resumed>) = 0
[pid  1612] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1608] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1607, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1612] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1608] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1608] exit_group(0 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1608] <... exit_group resumed>)   = ?
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1612] <... futex resumed>)        = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 1613 attached
[pid  1613] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1612] +++ exited with 0 +++
[pid  1608] +++ exited with 0 +++
[pid  1613] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1608, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1613
[pid  1613] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1613] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1613] <... prctl resumed>)        = 0
[pid  1613] setpgid(0, 0)               = 0
[pid  1613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-12-rust/strace-static-x86_64: Process 1614 attached
) = 3
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1614
[pid  1614] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1614] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1613] write(3, "1000", 4)         = 4
[pid  1614] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1613] close(3 <unfinished ...>
[pid  1614] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1613] <... close resumed>)        = 0
[pid  1614] <... prctl resumed>)        = 0
[pid  1613] write(1, "executing program\n", 18 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1614] setpgid(0, 0 <unfinished ...>
[pid  1613] <... write resumed>)        = 18
[pid  1614] <... setpgid resumed>)      = 0
executing program
[pid  1613] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1614] <... openat resumed>)       = 3
[pid  1613] <... futex resumed>)        = 0
[pid  1613] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1613] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1614] write(3, "1000", 4 <unfinished ...>
[pid  1613] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1614] <... write resumed>)        = 4
[pid  1613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1614] close(3 <unfinished ...>
[pid  1613] <... mmap resumed>)         = 0x7fb4de009000
[pid  1614] <... close resumed>)        = 0
[pid  1614] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  1613] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1614] <... write resumed>)        = 18
[pid  1613] <... mprotect resumed>)     = 0
[pid  1614] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1613] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1614] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1613] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1614] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1614] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1613] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1614] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1614] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1613] <... clone3 resumed> => {parent_tid=[1615]}, 88) = 1615
[pid  1614] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1613] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1614] <... mprotect resumed>)     = 0
[pid  1613] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1615 attached
[pid  1614] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1613] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1615] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1615] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1614] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1613] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1615] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1614] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1613] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1616 attached
 <unfinished ...>
[pid  1615] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  1614] <... clone3 resumed> => {parent_tid=[1616]}, 88) = 1616
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1616] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1615] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1615] <... futex resumed>)        = 1
[pid  1614] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1613] <... futex resumed>)        = 0
[pid  1614] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1613] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1614] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1613] <... futex resumed>)        = 0
[pid  1614] <... futex resumed>)        = 0
[pid  1613] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1614] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1618 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1617 attached
 <unfinished ...>
[pid  1616] <... set_robust_list resumed>) = 0
[pid  1615] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1616] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1617] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1616] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1615] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1617
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1618
[pid  1618] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1615] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1618] <... set_robust_list resumed>) = 0
[pid  1615] <... futex resumed>)        = 1
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1618] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1616] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1615] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1618] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1616] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1618] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1617] <... set_robust_list resumed>) = 0
[pid  1616] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1613] <... futex resumed>)        = 0
[pid  1618] <... prctl resumed>)        = 0
[pid  1617] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1616] <... futex resumed>)        = 1
[pid  1614] <... futex resumed>)        = 0
[pid  1613] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1618] setpgid(0, 0 <unfinished ...>
[pid  1617] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1614] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1613] <... futex resumed>)        = 1
[pid  1618] <... setpgid resumed>)      = 0
[pid  1617] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1616] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1615] <... futex resumed>)        = 0
[pid  1614] <... futex resumed>)        = 0
[pid  1613] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1617] <... prctl resumed>)        = 0
[pid  1614] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1617] setpgid(0, 0)               = 0
[pid  1616] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1615] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1618] <... openat resumed>)       = 3
[pid  1617] <... openat resumed>)       = 3
[pid  1617] write(3, "1000", 4)         = 4
[pid  1617] close(3 <unfinished ...>
[pid  1616] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1618] write(3, "1000", 4 <unfinished ...>
[pid  1615] <... openat resumed>)       = 3
[pid  1618] <... write resumed>)        = 4
[pid  1617] <... close resumed>)        = 0
[pid  1616] <... futex resumed>)        = 1
[pid  1615] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1614] <... futex resumed>)        = 0
[pid  1618] close(3 <unfinished ...>
[pid  1617] write(1, "executing program\n", 18 <unfinished ...>
[pid  1616] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1615] <... futex resumed>)        = 1
[pid  1613] <... futex resumed>)        = 0
executing program
[pid  1618] <... close resumed>)        = 0
[pid  1617] <... write resumed>)        = 18
[pid  1615] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1614] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1613] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1618] write(1, "executing program\n", 18 <unfinished ...>
[pid  1617] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1616] <... futex resumed>)        = 0
[pid  1615] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1614] <... futex resumed>)        = 1
[pid  1613] <... futex resumed>)        = 0
executing program
[pid  1618] <... write resumed>)        = 18
[pid  1617] <... futex resumed>)        = 0
[pid  1616] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1615] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1614] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1613] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1618] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1617] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1617] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1618] <... futex resumed>)        = 0
[pid  1615] <... write resumed>)        = 2
[pid  1617] <... mmap resumed>)         = 0x7fb4de009000
[pid  1617] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1615] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1617] <... mprotect resumed>)     = 0
[pid  1615] <... futex resumed>)        = 1
[pid  1613] <... futex resumed>)        = 0
[pid  1618] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1617] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1615] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1613] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1618] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1617] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1616] <... openat resumed>)       = 3
[pid  1615] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1613] <... futex resumed>)        = 0
[pid  1618] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1617] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1613] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1618] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1616] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1615] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1617] <... clone3 resumed> => {parent_tid=[1619]}, 88) = 1619
[pid  1617] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1615] <... openat resumed>)       = 4
ci2-android-6-12-rust/strace-static-x86_64: Process 1619 attached
[pid  1618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1616] <... futex resumed>)        = 1
[pid  1615] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1614] <... futex resumed>)        = 0
[pid  1618] <... mmap resumed>)         = 0x7fb4de009000
[pid  1617] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1616] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1615] <... futex resumed>)        = 1
[pid  1614] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1613] <... futex resumed>)        = 0
[pid  1619] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1618] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1617] <... futex resumed>)        = 0
[pid  1616] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1615] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1614] <... futex resumed>)        = 0
[pid  1613] exit_group(0 <unfinished ...>
[pid  1619] <... set_robust_list resumed>) = 0
[pid  1618] <... mprotect resumed>)     = 0
[pid  1617] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1616] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1615] <... futex resumed>)        = ?
[pid  1614] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1613] <... exit_group resumed>)   = ?
[pid  1619] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1618] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1616] <... write resumed>)        = 2
[pid  1615] +++ exited with 0 +++
[pid  1613] +++ exited with 0 +++
[pid  1619] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1619] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  1616] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1618] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1613, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1618] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1616] <... futex resumed>)        = 1
[pid  1614] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1619] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1614] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1619] <... futex resumed>)        = 1
[pid  1617] <... futex resumed>)        = 0
[pid  1614] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1620 attached
[pid  1619] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1617] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1616] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1614] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1620] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1619] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1617] <... futex resumed>)        = 0
[pid  1620] <... set_robust_list resumed>) = 0
[pid  1619] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1617] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1620] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1619] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1620] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1616] <... openat resumed>)       = 4
[pid  1618] <... clone3 resumed> => {parent_tid=[1620]}, 88) = 1620
[pid  1616] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1618] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1620] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1619] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1618] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1616] <... futex resumed>)        = 1
[pid  1614] <... futex resumed>)        = 0
[pid  1619] <... futex resumed>)        = 1
[pid  1618] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1617] <... futex resumed>)        = 0
[pid  1616] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1614] exit_group(0 <unfinished ...>
[pid  1620] <... futex resumed>)        = 0
[pid  1619] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1618] <... futex resumed>)        = 1
[pid  1617] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1620] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1619] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1618] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1617] <... futex resumed>)        = 0
[pid  1616] <... futex resumed>)        = ?
[pid  1614] <... exit_group resumed>)   = ?
[pid  1620] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1619] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1617] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1616] +++ exited with 0 +++
[pid  1614] +++ exited with 0 +++
[pid  1620] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1619] <... openat resumed>)       = 3
[pid  1620] <... futex resumed>)        = 1
[pid  1619] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1618] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1614, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1620] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1617] <... futex resumed>)        = 0
[pid  1619] <... futex resumed>)        = 1
[pid  1617] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1619] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1618] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1617] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1620] <... futex resumed>)        = 0
[pid  1619] <... write resumed>)        = 2
[pid  1618] <... futex resumed>)        = 1
[pid  1617] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1620] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1619] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1617] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1620] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1619] <... futex resumed>)        = 0
[pid  1618] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1617] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1619] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1617] <... futex resumed>)        = 0
[pid  1620] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1619] <... openat resumed>)       = 4
[pid  1617] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1620] <... futex resumed>)        = 1
[pid  1620] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1618] <... futex resumed>)        = 0
[pid  1619] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1618] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1617] <... futex resumed>)        = 0
[pid  1620] <... futex resumed>)        = 0
[pid  1619] <... futex resumed>)        = 1
[pid  1618] <... futex resumed>)        = 1
[pid  1617] exit_group(0 <unfinished ...>
[pid  1620] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1619] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1618] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1620] <... openat resumed>)       = 3
[pid  1617] <... exit_group resumed>)   = ?
[pid  1620] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1619] +++ exited with 0 +++
[pid  1617] +++ exited with 0 +++
[pid  1620] <... futex resumed>)        = 1
[pid  1618] <... futex resumed>)        = 0
[pid  1620] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1618] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1620] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1618] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1617, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1618] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1620] write(3, "\x38\x00", 2)     = 2
[pid  1620] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1620] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1618] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1618] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1620] <... futex resumed>)        = 0
[pid  1620] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1618] <... futex resumed>)        = 1
[pid  1620] <... openat resumed>)       = 4
[pid  1618] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1620] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1618] <... futex resumed>)        = 0
[pid  1620] <... futex resumed>)        = 1
[pid  1618] exit_group(0 <unfinished ...>
[pid  1620] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1620] <... futex resumed>)        = ?
[pid  1620] +++ exited with 0 +++
[pid  1618] <... exit_group resumed>)   = ?
[pid  1618] +++ exited with 0 +++
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1618, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1621
ci2-android-6-12-rust/strace-static-x86_64: Process 1621 attached
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1621] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1621] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1621] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1621] <... prctl resumed>)        = 0
[pid  1621] setpgid(0, 0)               = 0
[pid  1621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1621] <... openat resumed>)       = 3
[pid  1621] write(3, "1000", 4ci2-android-6-12-rust/strace-static-x86_64: Process 1622 attached
 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1622
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1621] <... write resumed>)        = 4
[pid  1622] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1621] close(3 <unfinished ...>
[pid  1622] <... set_robust_list resumed>) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1622] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1621] <... close resumed>)        = 0
[pid  1622] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  1621] write(1, "executing program\n", 18 <unfinished ...>
[pid  1622] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1621] <... write resumed>)        = 18
[pid  1622] <... prctl resumed>)        = 0
[pid  1622] setpgid(0, 0)               = 0
[pid  1621] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1621] <... futex resumed>)        = 0
[pid  1621] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1622] <... openat resumed>)       = 3
[pid  1621] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1622] write(3, "1000", 4 <unfinished ...>
[pid  1621] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1622] <... write resumed>)        = 4
[pid  1621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1622] close(3)                    = 0
[pid  1622] write(1, "executing program\n", 18) = 18
[pid  1621] <... mmap resumed>)         = 0x7fb4de009000
executing program
[pid  1622] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1621] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1622] <... futex resumed>)        = 0
[pid  1622] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1621] <... mprotect resumed>)     = 0
[pid  1622] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1622] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1621] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1622] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1621] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1622] <... mmap resumed>)         = 0x7fb4de009000
[pid  1621] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1622] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1622] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1623 attached
, [], 8) = 0
[pid  1623] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1622] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1621] <... clone3 resumed> => {parent_tid=[1623]}, 88) = 1623
ci2-android-6-12-rust/strace-static-x86_64: Process 1624 attached
[pid  1623] <... set_robust_list resumed>) = 0
[pid  1621] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1623] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1622] <... clone3 resumed> => {parent_tid=[1624]}, 88) = 1624
[pid   314] <... restart_syscall resumed>) = 0
[pid  1624] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1623] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1622] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1621] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1624] <... set_robust_list resumed>) = 0
[pid  1622] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1624] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1622] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1621] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1624] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1623] <... futex resumed>)        = 0
[pid  1622] <... futex resumed>)        = 0
[pid  1621] <... futex resumed>)        = 1
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1623] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1622] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1624] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1621] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1624] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1623] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1623] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1621] <... futex resumed>)        = 0
[pid  1624] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1623] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1621] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1624] <... futex resumed>)        = 1
[pid  1623] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1622] <... futex resumed>)        = 0
[pid  1621] <... futex resumed>)        = 0
[pid  1623] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1622] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1623] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1622] <... futex resumed>)        = 0
[pid  1622] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1623] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1623] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 1626 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1625 attached
 <unfinished ...>
[pid  1624] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1621] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1626] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1625] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1625
[pid  1626] <... set_robust_list resumed>) = 0
[pid  1625] <... set_robust_list resumed>) = 0
[pid  1624] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1621] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1626
[pid  1626] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1625] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1621] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1626] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1625] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1626] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1625] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1624] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1623] <... futex resumed>)        = 0
[pid  1621] <... futex resumed>)        = 1
[pid  1626] <... prctl resumed>)        = 0
[pid  1624] <... futex resumed>)        = 1
[pid  1623] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1622] <... futex resumed>)        = 0
[pid  1621] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1626] setpgid(0, 0 <unfinished ...>
[pid  1625] <... prctl resumed>)        = 0
[pid  1624] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1623] <... openat resumed>)       = 3
[pid  1622] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1626] <... setpgid resumed>)      = 0
[pid  1625] setpgid(0, 0 <unfinished ...>
[pid  1623] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1622] <... futex resumed>)        = 0
[pid  1626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1625] <... setpgid resumed>)      = 0
[pid  1624] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1623] <... futex resumed>)        = 1
[pid  1622] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1621] <... futex resumed>)        = 0
[pid  1625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1624] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1621] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1626] <... openat resumed>)       = 3
[pid  1625] <... openat resumed>)       = 3
[pid  1624] <... openat resumed>)       = 3
[pid  1623] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1621] <... futex resumed>)        = 0
[pid  1626] write(3, "1000", 4 <unfinished ...>
[pid  1625] write(3, "1000", 4 <unfinished ...>
[pid  1624] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1623] <... write resumed>)        = 2
[pid  1621] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1626] <... write resumed>)        = 4
[pid  1625] <... write resumed>)        = 4
[pid  1624] <... futex resumed>)        = 1
[pid  1623] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1622] <... futex resumed>)        = 0
[pid  1621] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1626] close(3 <unfinished ...>
[pid  1625] close(3 <unfinished ...>
[pid  1624] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1623] <... futex resumed>)        = 0
[pid  1622] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1621] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1626] <... close resumed>)        = 0
[pid  1625] <... close resumed>)        = 0
[pid  1624] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1623] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1622] <... futex resumed>)        = 0
[pid  1621] <... futex resumed>)        = 0
[pid  1626] write(1, "executing program\n", 18 <unfinished ...>
[pid  1625] write(1, "executing program\n", 18 <unfinished ...>
[pid  1624] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1623] <... openat resumed>)       = 4
[pid  1622] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1621] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1626] <... write resumed>)        = 18
[pid  1625] <... write resumed>)        = 18
[pid  1624] <... write resumed>)        = 2
executing program
executing program
[pid  1626] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1625] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1624] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1623] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1622] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1626] <... futex resumed>)        = 0
[pid  1625] <... futex resumed>)        = 0
[pid  1623] <... futex resumed>)        = 1
[pid  1622] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1621] <... futex resumed>)        = 0
[pid  1626] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1625] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1624] <... futex resumed>)        = 0
[pid  1623] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1622] <... futex resumed>)        = 0
[pid  1626] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1625] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1624] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1622] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1621] exit_group(0 <unfinished ...>
[pid  1626] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1625] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1623] <... futex resumed>)        = ?
[pid  1626] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1625] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1624] <... openat resumed>)       = 4
[pid  1623] +++ exited with 0 +++
[pid  1621] <... exit_group resumed>)   = ?
[pid  1626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1624] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1626] <... mmap resumed>)         = 0x7fb4de009000
[pid  1625] <... mmap resumed>)         = 0x7fb4de009000
[pid  1625] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1626] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1625] <... mprotect resumed>)     = 0
[pid  1626] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1625] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1626] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1621] +++ exited with 0 +++
[pid  1626] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1625] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1624] <... futex resumed>)        = 1
[pid  1622] <... futex resumed>)        = 0
[pid  1625] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1622] exit_group(0 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1621, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 1627 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1628 attached
[pid  1626] <... clone3 resumed> => {parent_tid=[1627]}, 88) = 1627
[pid  1622] <... exit_group resumed>)   = ?
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1626] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1624] +++ exited with 0 +++
[pid  1628] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1627] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1628] <... set_robust_list resumed>) = 0
[pid  1627] <... set_robust_list resumed>) = 0
[pid  1626] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1625] <... clone3 resumed> => {parent_tid=[1628]}, 88) = 1628
[pid  1622] +++ exited with 0 +++
[pid  1628] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1627] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1626] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1625] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1628] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1627] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1626] <... futex resumed>)        = 0
[pid  1626] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1625] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1628] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1627] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1625] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1628] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1625] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1622, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1628] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1625] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1627] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1628] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1627] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1628] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1627] <... futex resumed>)        = 1
[pid  1628] <... futex resumed>)        = 1
[pid  1627] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1628] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1626] <... futex resumed>)        = 0
[pid  1625] <... futex resumed>)        = 0
[pid  1626] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1625] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1627] <... futex resumed>)        = 0
[pid  1626] <... futex resumed>)        = 1
[pid  1628] <... futex resumed>)        = 0
[pid  1627] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1625] <... futex resumed>)        = 1
[pid  1626] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1628] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  1627] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1625] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1628] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1625] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1628] <... futex resumed>)        = 0
[pid  1625] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1628] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1625] <... futex resumed>)        = 0
[pid  1627] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1628] <... openat resumed>)       = 3
[pid  1627] <... futex resumed>)        = 1
[pid  1626] <... futex resumed>)        = 0
[pid  1625] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1627] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1626] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1627] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1626] <... futex resumed>)        = 0
[pid  1627] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1626] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1628] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1627] <... openat resumed>)       = 3
[pid  1625] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1628] <... futex resumed>)        = 0
[pid  1627] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1625] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1627] <... futex resumed>)        = 1
[pid  1626] <... futex resumed>)        = 0
[pid  1628] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1627] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1626] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1625] <... futex resumed>)        = 0
[pid  1628] <... write resumed>)        = 2
[pid  1627] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1626] <... futex resumed>)        = 0
[pid  1625] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1628] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1627] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1626] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1625] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1627] <... write resumed>)        = 2
[pid  1627] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1628] <... futex resumed>)        = 0
[pid  1625] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1628] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1625] <... futex resumed>)        = 0
[pid  1627] <... futex resumed>)        = 1
[pid  1626] <... futex resumed>)        = 0
[pid  1628] <... openat resumed>)       = 4
[pid  1627] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1626] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1625] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1627] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1626] <... futex resumed>)        = 0
[pid  1628] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1627] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1626] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1628] <... futex resumed>)        = 1
[pid  1627] <... openat resumed>)       = 4
[pid  1625] <... futex resumed>)        = 0
[pid  1628] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1627] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1626] <... futex resumed>)        = 0
[pid  1625] exit_group(0 <unfinished ...>
[pid  1627] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1626] exit_group(0 <unfinished ...>
[pid  1628] <... futex resumed>)        = ?
[pid  1625] <... exit_group resumed>)   = ?
[pid  1627] <... futex resumed>)        = ?
[pid  1626] <... exit_group resumed>)   = ?
[pid   313] <... restart_syscall resumed>) = 0
[pid  1628] +++ exited with 0 +++
[pid  1627] +++ exited with 0 +++
[pid  1626] +++ exited with 0 +++
[pid  1625] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1625, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1626, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 1629 attached
 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1629
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1629] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1629] <... set_robust_list resumed>) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1629] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1629] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1629] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1629] <... prctl resumed>)        = 0
[pid  1629] setpgid(0, 0)               = 0
[pid  1629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1629] write(3, "1000", 4)         = 4
[pid  1629] close(3)                    = 0
[pid  1629] write(1, "executing program\n", 18ci2-android-6-12-rust/strace-static-x86_64: Process 1630 attached
) = 18
executing program
[pid  1630] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1629] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1630
[pid  1630] <... set_robust_list resumed>) = 0
[pid  1629] <... futex resumed>)        = 0
[pid  1630] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1629] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1630] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1629] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1630] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1629] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1629] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1630] <... prctl resumed>)        = 0
[pid  1629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1630] setpgid(0, 0 <unfinished ...>
[pid  1629] <... mmap resumed>)         = 0x7fb4de009000
[pid  1630] <... setpgid resumed>)      = 0
[pid  1630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1629] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1630] <... openat resumed>)       = 3
[pid  1629] <... mprotect resumed>)     = 0
[pid  1629] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1630] write(3, "1000", 4)         = 4
[pid  1630] close(3 <unfinished ...>
[pid  1629] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1630] <... close resumed>)        = 0
[pid  1629] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1631 attached
 <unfinished ...>
executing program
[pid  1630] write(1, "executing program\n", 18) = 18
[pid  1630] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1629] <... clone3 resumed> => {parent_tid=[1631]}, 88) = 1631
[pid  1631] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1630] <... futex resumed>)        = 0
[pid  1629] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1631] <... set_robust_list resumed>) = 0
[pid  1630] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1629] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1630] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1629] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1630] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1629] <... futex resumed>)        = 0
[pid  1630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1629] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1630] <... mmap resumed>)         = 0x7fb4de009000
[pid  1631] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1630] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1631] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1630] <... mprotect resumed>)     = 0
[pid  1631] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  1630] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1631] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1629] <... futex resumed>)        = 0
[pid  1631] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1629] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1632 attached
 <unfinished ...>
[pid  1631] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1631] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1629] <... futex resumed>)        = 0
[pid  1632] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1630] <... clone3 resumed> => {parent_tid=[1632]}, 88) = 1632
[pid  1629] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1632] <... set_robust_list resumed>) = 0
[pid  1631] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1630] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1632] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1631] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1632] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1631] <... futex resumed>)        = 1
[pid  1630] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1629] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  1630] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1629] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1630] <... futex resumed>)        = 0
[pid  1629] <... futex resumed>)        = 0
[pid  1630] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1629] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1632] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1631] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1633 attached
[pid  1632] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1631] <... openat resumed>)       = 3
[pid  1633] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1632] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1631] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1632] <... futex resumed>)        = 1
[pid  1633] <... set_robust_list resumed>) = 0
[pid  1632] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1631] <... futex resumed>)        = 1
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1633] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1631] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1633] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1630] <... futex resumed>)        = 0
[pid  1629] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1633
[pid  1630] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1629] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1632] <... futex resumed>)        = 0
[pid  1631] <... futex resumed>)        = 0
[pid  1630] <... futex resumed>)        = 1
[pid  1629] <... futex resumed>)        = 1
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1633] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1632] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1631] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1630] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1629] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1631] <... write resumed>)        = 2
ci2-android-6-12-rust/strace-static-x86_64: Process 1634 attached
[pid  1634] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1633] <... prctl resumed>)        = 0
[pid  1632] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1631] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1634
[pid  1634] <... set_robust_list resumed>) = 0
[pid  1631] <... futex resumed>)        = 1
[pid  1629] <... futex resumed>)        = 0
[pid  1634] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1633] setpgid(0, 0 <unfinished ...>
[pid  1629] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1634] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1633] <... setpgid resumed>)      = 0
[pid  1632] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1631] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1629] <... futex resumed>)        = 0
[pid  1634] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1629] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1634] <... prctl resumed>)        = 0
[pid  1632] <... futex resumed>)        = 1
[pid  1631] <... openat resumed>)       = 4
[pid  1630] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1634] setpgid(0, 0 <unfinished ...>
[pid  1632] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1631] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1630] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1634] <... setpgid resumed>)      = 0
[pid  1633] <... openat resumed>)       = 3
[pid  1632] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1631] <... futex resumed>)        = 1
[pid  1630] <... futex resumed>)        = 0
[pid  1629] <... futex resumed>)        = 0
[pid  1634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1633] write(3, "1000", 4 <unfinished ...>
[pid  1632] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1631] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1630] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1629] exit_group(0 <unfinished ...>
[pid  1634] <... openat resumed>)       = 3
[pid  1633] <... write resumed>)        = 4
[pid  1632] <... openat resumed>)       = 3
[pid  1631] <... futex resumed>)        = ?
[pid  1629] <... exit_group resumed>)   = ?
[pid  1634] write(3, "1000", 4 <unfinished ...>
[pid  1633] close(3 <unfinished ...>
[pid  1632] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1631] +++ exited with 0 +++
[pid  1629] +++ exited with 0 +++
[pid  1633] <... close resumed>)        = 0
[pid  1632] <... futex resumed>)        = 1
[pid  1630] <... futex resumed>)        = 0
[pid  1634] <... write resumed>)        = 4
[pid  1633] write(1, "executing program\n", 18 <unfinished ...>
[pid  1630] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1634] close(3 <unfinished ...>
[pid  1633] <... write resumed>)        = 18
[pid  1632] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1630] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1629, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1634] <... close resumed>)        = 0
[pid  1633] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1632] <... write resumed>)        = 2
[pid  1630] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1634] write(1, "executing program\n", 18 <unfinished ...>
[pid  1633] <... futex resumed>)        = 0
[pid  1632] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1630] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1634] <... write resumed>)        = 18
executing program
[pid  1633] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1632] <... futex resumed>)        = 0
[pid  1630] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1634] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1633] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1630] <... futex resumed>)        = 0
[pid  1634] <... futex resumed>)        = 0
[pid  1633] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1632] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1630] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1634] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1633] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1634] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1634] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1632] <... openat resumed>)       = 4
[pid  1634] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1633] <... mmap resumed>)         = 0x7fb4de009000
[pid  1634] <... mmap resumed>)         = 0x7fb4de009000
[pid  1634] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1632] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1633] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1634] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1633] <... mprotect resumed>)     = 0
[pid  1632] <... futex resumed>)        = 1
[pid  1630] <... futex resumed>)        = 0
[pid  1634] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1633] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1632] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1630] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 1635 attached
)               = ?
[pid  1634] <... clone3 resumed> => {parent_tid=[1635]}, 88) = 1635
[pid  1633] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1635] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1632] <... futex resumed>)        = ?
[pid  1635] <... set_robust_list resumed>) = 0
[pid  1634] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1633] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1634] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1634] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1634] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1635] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1635] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1632] +++ exited with 0 +++
[pid  1630] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 1636 attached
[pid  1635] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1636] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1630, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1635] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1636] <... set_robust_list resumed>) = 0
[pid  1633] <... clone3 resumed> => {parent_tid=[1636]}, 88) = 1636
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1636] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1635] <... futex resumed>)        = 1
[pid  1633] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1636] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1635] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1633] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1636] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1633] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1636] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1633] <... futex resumed>)        = 0
[pid  1636] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1634] <... futex resumed>)        = 0
[pid  1633] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1634] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1635] <... futex resumed>)        = 0
[pid  1634] <... futex resumed>)        = 1
[pid  1635] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1634] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1636] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1635] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1636] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1635] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1636] <... futex resumed>)        = 1
[pid  1635] <... futex resumed>)        = 1
[pid  1634] <... futex resumed>)        = 0
[pid  1633] <... futex resumed>)        = 0
[pid  1636] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1635] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1634] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1633] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1636] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1635] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1634] <... futex resumed>)        = 0
[pid  1633] <... futex resumed>)        = 0
[pid  1636] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1635] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1634] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1633] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1635] <... openat resumed>)       = 3
[pid  1635] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1634] <... futex resumed>)        = 0
[pid  1634] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1634] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1635] <... futex resumed>)        = 1
[pid  1635] write(3, "\x38\x00", 2)     = 2
[pid  1635] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1634] <... futex resumed>)        = 0
[pid  1636] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1635] <... futex resumed>)        = 1
[pid  1634] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1636] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1635] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1634] <... futex resumed>)        = 0
[pid  1636] <... futex resumed>)        = 1
[pid  1635] <... openat resumed>)       = 4
[pid  1634] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1633] <... futex resumed>)        = 0
[pid  1636] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1633] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1636] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1633] <... futex resumed>)        = 0
[pid  1636] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1633] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1636] <... openat resumed>)       = 3
[pid  1635] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1634] <... futex resumed>)        = 0
[pid  1635] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1634] exit_group(0 <unfinished ...>
[pid  1635] <... futex resumed>)        = ?
[pid  1634] <... exit_group resumed>)   = ?
[pid  1636] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1635] +++ exited with 0 +++
[pid  1634] +++ exited with 0 +++
[pid  1636] <... futex resumed>)        = 1
[pid  1633] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1634, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1633] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1636] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1633] <... futex resumed>)        = 0
[pid  1636] <... write resumed>)        = 2
[pid  1633] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1636] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1633] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1636] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1636] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1633] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1633] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1633] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1636] <... openat resumed>)       = 4
[pid  1636] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 1637 attached
[pid  1636] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1633] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1637] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1633] exit_group(0 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1637
[pid  1637] <... set_robust_list resumed>) = 0
[pid  1637] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1636] <... futex resumed>)        = ?
[pid  1633] <... exit_group resumed>)   = ?
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1637] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1637] setpgid(0, 0)               = 0
[pid  1637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1636] +++ exited with 0 +++
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1637] <... openat resumed>)       = 3
[pid  1637] write(3, "1000", 4)         = 4
[pid  1637] close(3)                    = 0
[pid  1637] write(1, "executing program\n", 18) = 18
[pid  1637] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1637] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1633] +++ exited with 0 +++
[pid  1637] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1637] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1637] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1638 attached
executing program
[pid  1637] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1639 attached
 <unfinished ...>
[pid  1638] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1633, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1638] <... set_robust_list resumed>) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1638
[pid  1639] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1638] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1637] <... clone3 resumed> => {parent_tid=[1639]}, 88) = 1639
[pid  1638] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1637] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1638] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1637] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1638] <... prctl resumed>)        = 0
[pid  1637] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1638] setpgid(0, 0 <unfinished ...>
[pid  1637] <... futex resumed>)        = 0
[pid  1638] <... setpgid resumed>)      = 0
[pid  1637] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 1640 attached
[pid  1639] <... set_robust_list resumed>) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1640
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1639] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1640] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1639] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1640] <... set_robust_list resumed>) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1639] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1640] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1639] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1638] write(3, "1000", 4 <unfinished ...>
[pid  1640] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1639] <... futex resumed>)        = 1
[pid  1638] <... write resumed>)        = 4
[pid  1637] <... futex resumed>)        = 0
[pid  1639] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1638] close(3 <unfinished ...>
[pid  1637] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1638] <... close resumed>)        = 0
[pid  1637] <... futex resumed>)        = 0
[pid  1640] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1639] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1638] write(1, "executing program\n", 18 <unfinished ...>
[pid  1637] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1638] <... write resumed>)        = 18
executing program
[pid  1638] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1640] <... prctl resumed>)        = 0
[pid  1639] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1638] <... futex resumed>)        = 0
[pid  1640] setpgid(0, 0 <unfinished ...>
[pid  1638] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1640] <... setpgid resumed>)      = 0
[pid  1638] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1639] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1638] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1638] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1639] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1638] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1638] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1640] <... openat resumed>)       = 3
[pid  1638] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1639] <... futex resumed>)        = 1
[pid  1638] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1637] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1641 attached
[pid  1640] write(3, "1000", 4 <unfinished ...>
[pid  1639] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1637] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1640] <... write resumed>)        = 4
[pid  1639] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1637] <... futex resumed>)        = 0
[pid  1639] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1638] <... clone3 resumed> => {parent_tid=[1641]}, 88) = 1641
[pid  1640] close(3 <unfinished ...>
[pid  1637] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1641] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1640] <... close resumed>)        = 0
[pid  1639] <... openat resumed>)       = 3
[pid  1638] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1641] <... set_robust_list resumed>) = 0
[pid  1640] write(1, "executing program\n", 18 <unfinished ...>
[pid  1639] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1638] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1641] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1640] <... write resumed>)        = 18
[pid  1639] <... futex resumed>)        = 1
[pid  1638] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1637] <... futex resumed>)        = 0
executing program
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1641] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1640] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1639] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1638] <... futex resumed>)        = 0
[pid  1637] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1641] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1639] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1638] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1637] <... futex resumed>)        = 0
[pid  1637] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1640] <... futex resumed>)        = 0
[pid  1640] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1640] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1640] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1639] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1641] <... mkdirat resumed>)      = -1 EEXIST (File exists)
ci2-android-6-12-rust/strace-static-x86_64: Process 1642 attached
[pid  1640] <... mprotect resumed>)     = 0
[pid  1642] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1640] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1642] <... set_robust_list resumed>) = 0
[pid  1642] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1641] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1640] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1639] <... write resumed>)        = 2
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1642
[pid  1641] <... futex resumed>)        = 1
[pid  1639] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1641] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1639] <... futex resumed>)        = 1
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1639] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1642] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1640] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1638] <... futex resumed>)        = 0
[pid  1637] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1643 attached
[pid  1642] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1638] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1637] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1643] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1642] <... prctl resumed>)        = 0
[pid  1641] <... futex resumed>)        = 0
[pid  1639] <... futex resumed>)        = 0
[pid  1638] <... futex resumed>)        = 1
[pid  1637] <... futex resumed>)        = 1
[pid  1643] <... set_robust_list resumed>) = 0
[pid  1642] setpgid(0, 0 <unfinished ...>
[pid  1641] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1640] <... clone3 resumed> => {parent_tid=[1643]}, 88) = 1643
[pid  1639] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1638] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1637] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1642] <... setpgid resumed>)      = 0
[pid  1641] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1640] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1643] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1641] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1640] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1639] <... openat resumed>)       = 4
[pid  1643] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1642] <... openat resumed>)       = 3
[pid  1641] <... futex resumed>)        = 1
[pid  1638] <... futex resumed>)        = 0
[pid  1638] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1638] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1642] write(3, "1000", 4)         = 4
[pid  1642] close(3)                    = 0
[pid  1642] write(1, "executing program\n", 18) = 18
executing program
[pid  1639] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1643] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1641] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1640] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1643] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1642] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1639] <... futex resumed>)        = 1
[pid  1637] <... futex resumed>)        = 0
[pid  1643] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1641] <... openat resumed>)       = 3
[pid  1640] <... futex resumed>)        = 0
[pid  1639] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1637] exit_group(0 <unfinished ...>
[pid  1641] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1643] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1640] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1643] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1641] <... futex resumed>)        = 1
[pid  1643] <... futex resumed>)        = 0
[pid  1642] <... futex resumed>)        = 0
[pid  1641] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1640] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1639] <... futex resumed>)        = ?
[pid  1638] <... futex resumed>)        = 0
[pid  1637] <... exit_group resumed>)   = ?
[pid  1643] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1642] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1640] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1639] +++ exited with 0 +++
[pid  1638] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1637] +++ exited with 0 +++
[pid  1643] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1642] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1641] <... futex resumed>)        = 0
[pid  1640] <... futex resumed>)        = 0
[pid  1638] <... futex resumed>)        = 1
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1637, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1643] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1642] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1641] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1640] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1638] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1642] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1641] <... write resumed>)        = 2
[pid  1642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1643] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1642] <... mmap resumed>)         = 0x7fb4de009000
[pid  1641] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1643] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1642] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1641] <... futex resumed>)        = 1
[pid  1638] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1643] <... futex resumed>)        = 1
[pid  1642] <... mprotect resumed>)     = 0
[pid  1641] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1640] <... futex resumed>)        = 0
[pid  1638] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1643] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1642] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1641] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1640] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1638] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1643] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1642] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1641] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1640] <... futex resumed>)        = 0
[pid  1638] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1642] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1644 attached
 <unfinished ...>
[pid  1641] <... openat resumed>)       = 4
[pid  1640] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1644] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1643] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1641] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1644] <... set_robust_list resumed>) = 0
[pid  1642] <... clone3 resumed> => {parent_tid=[1644]}, 88) = 1644
[pid  1644] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1642] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1644] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1642] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1644] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1642] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1644] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1642] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1644] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1642] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1644] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1642] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1644] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1644] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1642] <... futex resumed>)        = 0
[pid  1644] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1642] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1645 attached
 <unfinished ...>
[pid  1643] <... openat resumed>)       = 3
[pid  1644] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1641] <... futex resumed>)        = 1
[pid  1643] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1638] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1645
[pid  1645] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1644] <... futex resumed>)        = 1
[pid  1643] <... futex resumed>)        = 1
[pid  1642] <... futex resumed>)        = 0
[pid  1641] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1640] <... futex resumed>)        = 0
[pid  1638] exit_group(0 <unfinished ...>
[pid  1645] <... set_robust_list resumed>) = 0
[pid  1644] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1643] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1642] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1641] <... futex resumed>)        = ?
[pid  1640] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1638] <... exit_group resumed>)   = ?
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1645] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1644] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1643] <... write resumed>)        = 2
[pid  1642] <... futex resumed>)        = 0
[pid  1641] +++ exited with 0 +++
[pid  1640] <... futex resumed>)        = 0
[pid  1638] +++ exited with 0 +++
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1645] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1644] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1643] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1642] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1640] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1645] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1644] <... openat resumed>)       = 3
[pid  1643] <... futex resumed>)        = 0
[pid  1640] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1638, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1643] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1640] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1643] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1640] <... futex resumed>)        = 0
[pid  1643] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1640] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1645] <... prctl resumed>)        = 0
[pid  1644] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1645] setpgid(0, 0 <unfinished ...>
[pid  1644] <... futex resumed>)        = 1
[pid  1642] <... futex resumed>)        = 0
[pid  1645] <... setpgid resumed>)      = 0
[pid  1644] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1642] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1644] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1643] <... openat resumed>)       = 4
[pid  1642] <... futex resumed>)        = 0
[pid  1645] <... openat resumed>)       = 3
[pid  1644] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1645] write(3, "1000", 4 <unfinished ...>
[pid  1644] <... write resumed>)        = 2
[pid  1643] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1642] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1645] <... write resumed>)        = 4
[pid  1644] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1643] <... futex resumed>)        = 1
[pid  1642] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1640] <... futex resumed>)        = 0
[pid  1645] close(3 <unfinished ...>
[pid  1644] <... futex resumed>)        = 0
[pid  1643] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1642] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1645] <... close resumed>)        = 0
[pid  1644] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1642] <... futex resumed>)        = 0
[pid  1640] exit_group(0 <unfinished ...>
[pid  1645] write(1, "executing program\n", 18 <unfinished ...>
[pid  1644] <... openat resumed>)       = 4
[pid  1642] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1640] <... exit_group resumed>)   = ?
[pid  1645] <... write resumed>)        = 18
[pid  1643] <... futex resumed>)        = ?
[pid  1645] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1644] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1642] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1643] +++ exited with 0 +++
[pid  1645] <... futex resumed>)        = 0
[pid  1644] <... futex resumed>)        = 0
[pid  1645] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1644] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1645] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1645] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1645] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1640] +++ exited with 0 +++
[pid  1642] exit_group(0)               = ?
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1640, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
executing program
[pid  1645] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1644] <... futex resumed>)        = ?
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1645] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1644] +++ exited with 0 +++
[pid  1642] +++ exited with 0 +++
[pid  1645] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1642, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 1646 attached
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1646] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1645] <... clone3 resumed> => {parent_tid=[1646]}, 88) = 1646
[pid  1646] <... set_robust_list resumed>) = 0
[pid  1645] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1646] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1645] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1646] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1645] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1646] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1645] <... futex resumed>)        = 0
[pid  1646] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1645] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1646] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1645] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1646] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1645] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1646] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1646] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1645] <... futex resumed>)        = 0
[pid  1646] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1645] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1646] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1645] <... futex resumed>)        = 0
[pid  1645] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1646] <... futex resumed>)        = 1
[pid  1646] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1645] <... futex resumed>)        = 0
[pid  1646] <... openat resumed>)       = 3
[pid  1645] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1646] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1645] <... futex resumed>)        = 0
[pid  1646] <... futex resumed>)        = 1
[pid  1645] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1646] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1645] <... futex resumed>)        = 0
[pid  1646] <... write resumed>)        = 2
[pid  1645] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1646] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1645] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1646] <... futex resumed>)        = 0
[pid  1645] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1646] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid  1645] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1645] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1646] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1645] <... futex resumed>)        = 0
[pid  1646] <... futex resumed>)        = 1
[pid  1645] exit_group(0 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1646] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1646] <... futex resumed>)        = ?
[pid  1645] <... exit_group resumed>)   = ?
[pid  1646] +++ exited with 0 +++
[pid  1645] +++ exited with 0 +++
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1647 attached
 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1645, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1648
ci2-android-6-12-rust/strace-static-x86_64: Process 1648 attached
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1648] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1647] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1648] <... set_robust_list resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1647] <... set_robust_list resumed>) = 0
[pid  1648] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1647] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1647
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1648] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1647] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1647] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1648] setpgid(0, 0 <unfinished ...>
[pid  1647] <... prctl resumed>)        = 0
[pid  1648] <... setpgid resumed>)      = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1647] setpgid(0, 0 <unfinished ...>
[pid  1648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1647] <... setpgid resumed>)      = 0
[pid  1647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1648] <... openat resumed>)       = 3
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1648] write(3, "1000", 4)         = 4
[pid  1647] <... openat resumed>)       = 3
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1648] close(3 <unfinished ...>
[pid  1647] write(3, "1000", 4 <unfinished ...>
[pid  1648] <... close resumed>)        = 0
[pid  1648] write(1, "executing program\n", 18) = 18
[pid  1648] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1648] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
executing program
ci2-android-6-12-rust/strace-static-x86_64: Process 1649 attached
[pid  1648] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1649] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1648] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1649] <... set_robust_list resumed>) = 0
[pid  1648] <... mmap resumed>)         = 0x7fb4de009000
[pid  1649] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1647] <... write resumed>)        = 4
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1649
[pid  1647] close(3 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1647] <... close resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1647] write(1, "executing program\n", 18) = 18
[pid  1649] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  1648] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1649] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1648] <... mprotect resumed>)     = 0
[pid  1647] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1649] <... prctl resumed>)        = 0
[pid  1648] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1647] <... futex resumed>)        = 0
[pid  1649] setpgid(0, 0 <unfinished ...>
[pid  1648] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1649] <... setpgid resumed>)      = 0
[pid  1648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1647] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-12-rust/strace-static-x86_64: Process 1650 attached
) = 3
[pid  1648] <... clone3 resumed> => {parent_tid=[1650]}, 88) = 1650
[pid  1647] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1647] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1649] write(3, "1000", 4 <unfinished ...>
[pid  1647] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1650] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1649] <... write resumed>)        = 4
[pid  1648] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1650] <... set_robust_list resumed>) = 0
[pid  1649] close(3 <unfinished ...>
[pid  1648] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1649] <... close resumed>)        = 0
[pid  1647] <... mmap resumed>)         = 0x7fb4de009000
[pid  1649] write(1, "executing program\n", 18) = 18
[pid  1649] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1649] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1649] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1649] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
executing program
[pid  1650] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1651 attached
 <unfinished ...>
[pid  1649] <... mprotect resumed>)     = 0
[pid  1651] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1649] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1651] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1650] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1649] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1648] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1647] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1651
[pid  1651] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1649] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1647] <... mprotect resumed>)     = 0
[pid  1648] <... futex resumed>)        = 0
[pid  1651] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1650] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1651] <... prctl resumed>)        = 0
[pid  1650] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1651] setpgid(0, 0 <unfinished ...>
[pid  1649] <... clone3 resumed> => {parent_tid=[1652]}, 88) = 1652
[pid  1648] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1647] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1652 attached
 <unfinished ...>
[pid  1651] <... setpgid resumed>)      = 0
[pid  1650] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1649] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1648] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1647] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1652] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1650] <... futex resumed>)        = 0
[pid  1648] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1647] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1652] <... set_robust_list resumed>) = 0
[pid  1650] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1651] <... openat resumed>)       = 3
[pid  1649] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1651] write(3, "1000", 4 <unfinished ...>
[pid  1650] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1649] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1651] <... write resumed>)        = 4
[pid  1649] <... futex resumed>)        = 0
[pid  1651] close(3 <unfinished ...>
[pid  1649] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1651] <... close resumed>)        = 0
[pid  1651] write(1, "executing program\n", 18) = 18
[pid  1651] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1653 attached
 <unfinished ...>
[pid  1652] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1651] <... futex resumed>)        = 0
[pid  1650] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1648] <... futex resumed>)        = 0
executing program
[pid  1653] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1652] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1651] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1650] <... futex resumed>)        = 0
[pid  1648] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1647] <... clone3 resumed> => {parent_tid=[1653]}, 88) = 1653
[pid  1652] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1650] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1648] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1647] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1648] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1647] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1652] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1650] <... futex resumed>)        = 0
[pid  1648] <... futex resumed>)        = 1
[pid  1647] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1652] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1650] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1648] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1653] <... set_robust_list resumed>) = 0
[pid  1652] <... futex resumed>)        = 1
[pid  1651] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1649] <... futex resumed>)        = 0
[pid  1650] <... openat resumed>)       = 3
[pid  1647] <... futex resumed>)        = 0
[pid  1653] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1652] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1651] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1650] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1649] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1653] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1651] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1650] <... futex resumed>)        = 1
[pid  1649] <... futex resumed>)        = 0
[pid  1648] <... futex resumed>)        = 0
[pid  1647] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1653] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1652] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1651] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1650] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1649] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1648] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1653] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1652] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1651] <... mmap resumed>)         = 0x7fb4de009000
[pid  1649] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1653] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1651] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1649] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1648] <... futex resumed>)        = 0
[pid  1653] <... futex resumed>)        = 1
[pid  1651] <... mprotect resumed>)     = 0
[pid  1649] <... futex resumed>)        = 0
[pid  1647] <... futex resumed>)        = 0
[pid  1653] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1652] <... futex resumed>)        = 0
[pid  1651] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1650] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1649] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1648] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1647] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1653] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1652] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1651] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1650] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1647] <... futex resumed>)        = 0
[pid  1653] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1651] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1647] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1652] <... openat resumed>)       = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 1654 attached
[pid  1653] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1652] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1650] <... write resumed>)        = 2
[pid  1654] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1652] <... futex resumed>)        = 1
[pid  1650] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1649] <... futex resumed>)        = 0
[pid  1653] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1651] <... clone3 resumed> => {parent_tid=[1654]}, 88) = 1654
[pid  1649] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1652] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1654] <... set_robust_list resumed>) = 0
[pid  1653] <... futex resumed>)        = 1
[pid  1651] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1652] <... write resumed>)        = 2
[pid  1650] <... futex resumed>)        = 1
[pid  1649] <... futex resumed>)        = 0
[pid  1648] <... futex resumed>)        = 0
[pid  1647] <... futex resumed>)        = 0
[pid  1654] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1653] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1652] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1651] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1650] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1649] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1648] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1647] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1654] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1653] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1652] <... futex resumed>)        = 0
[pid  1651] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1649] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1647] <... futex resumed>)        = 0
[pid  1654] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1653] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1652] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1651] <... futex resumed>)        = 0
[pid  1650] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1649] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1648] <... futex resumed>)        = 0
[pid  1647] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1654] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1653] <... openat resumed>)       = 3
[pid  1652] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1651] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1650] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1649] <... futex resumed>)        = 0
[pid  1648] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1653] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1649] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1653] <... futex resumed>)        = 1
[pid  1647] <... futex resumed>)        = 0
[pid  1654] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1653] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1650] <... openat resumed>)       = 4
[pid  1647] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1654] <... futex resumed>)        = 1
[pid  1653] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1652] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1651] <... futex resumed>)        = 0
[pid  1647] <... futex resumed>)        = 0
[pid  1654] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1653] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1651] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1650] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1647] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1654] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1653] <... write resumed>)        = 2
[pid  1651] <... futex resumed>)        = 0
[pid  1654] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1653] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1652] <... openat resumed>)       = 4
[pid  1651] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1650] <... futex resumed>)        = 1
[pid  1648] <... futex resumed>)        = 0
[pid  1653] <... futex resumed>)        = 1
[pid  1654] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1647] <... futex resumed>)        = 0
[pid  1653] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1647] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1653] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1648] exit_group(0 <unfinished ...>
[pid  1647] <... futex resumed>)        = 0
[pid  1653] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1647] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1654] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1653] <... openat resumed>)       = 4
[pid  1652] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1648] <... exit_group resumed>)   = ?
[pid  1653] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1650] +++ exited with 0 +++
[pid  1652] <... futex resumed>)        = 1
[pid  1649] <... futex resumed>)        = 0
[pid  1653] <... futex resumed>)        = 1
[pid  1649] exit_group(0 <unfinished ...>
[pid  1647] <... futex resumed>)        = 0
[pid  1653] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1649] <... exit_group resumed>)   = ?
[pid  1647] exit_group(0)               = ?
[pid  1653] <... futex resumed>)        = ?
[pid  1654] <... futex resumed>)        = 1
[pid  1653] +++ exited with 0 +++
[pid  1648] +++ exited with 0 +++
[pid  1647] +++ exited with 0 +++
[pid  1651] <... futex resumed>)        = 0
[pid  1654] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1651] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1647, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1651] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1651] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1648, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1652] +++ exited with 0 +++
[pid  1649] +++ exited with 0 +++
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1654] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1649, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1654] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1654] <... openat resumed>)       = 3
[pid  1654] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1654] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1651] <... futex resumed>)        = 0
[pid  1651] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1654] <... futex resumed>)        = 0
[pid  1651] <... futex resumed>)        = 1
[pid  1654] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1651] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1654] <... write resumed>)        = 2
[pid  1654] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1651] <... futex resumed>)        = 0
[pid  1654] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  1651] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1654] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1651] <... futex resumed>)        = 0
[pid  1654] <... openat resumed>)       = 4
[pid  1651] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1654] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1651] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1654] <... futex resumed>)        = 0
[pid  1654] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1651] exit_group(0 <unfinished ...>
[pid  1654] <... futex resumed>)        = ?
[pid  1651] <... exit_group resumed>)   = ?
[pid  1654] +++ exited with 0 +++
[pid  1651] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1651, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1656 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1655 attached
 <unfinished ...>
[pid  1656] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1655] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1656
[pid  1656] <... set_robust_list resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1655] <... set_robust_list resumed>) = 0
[pid  1656] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1656] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1655] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1655] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1655] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1655
[pid  1656] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1655] <... prctl resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1656] <... prctl resumed>)        = 0
[pid  1655] setpgid(0, 0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1656] setpgid(0, 0 <unfinished ...>
[pid  1655] <... setpgid resumed>)      = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1656] <... setpgid resumed>)      = 0
[pid  1655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1655] <... openat resumed>)       = 3
[pid  1656] <... openat resumed>)       = 3
[pid  1655] write(3, "1000", 4ci2-android-6-12-rust/strace-static-x86_64: Process 1657 attached
 <unfinished ...>
[pid  1656] write(3, "1000", 4 <unfinished ...>
[pid  1655] <... write resumed>)        = 4
[pid  1657] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1656] <... write resumed>)        = 4
[pid  1657] <... set_robust_list resumed>) = 0
[pid  1655] close(3 <unfinished ...>
[pid  1656] close(3 <unfinished ...>
[pid  1657] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1656] <... close resumed>)        = 0
[pid  1655] <... close resumed>)        = 0
[pid  1657] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1656] write(1, "executing program\n", 18 <unfinished ...>
[pid  1655] write(1, "executing program\n", 18 <unfinished ...>
[pid  1656] <... write resumed>)        = 18
executing program
executing program
[pid  1657] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1656] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1655] <... write resumed>)        = 18
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1657
[pid  1657] <... prctl resumed>)        = 0
[pid  1656] <... futex resumed>)        = 0
[pid  1655] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1657] setpgid(0, 0 <unfinished ...>
[pid  1656] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1655] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1657] <... setpgid resumed>)      = 0
[pid  1656] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1655] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1656] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1655] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1657] <... openat resumed>)       = 3
[pid  1656] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1655] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1657] write(3, "1000", 4 <unfinished ...>
[pid  1656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1657] <... write resumed>)        = 4
[pid  1655] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1657] close(3 <unfinished ...>
[pid  1656] <... mmap resumed>)         = 0x7fb4de009000
[pid  1655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 1658 attached
 <unfinished ...>
[pid  1657] <... close resumed>)        = 0
[pid  1656] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1655] <... mmap resumed>)         = 0x7fb4de009000
[pid  1657] write(1, "executing program\n", 18 <unfinished ...>
[pid  1658] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1656] <... mprotect resumed>)     = 0
[pid  1655] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1657] <... write resumed>)        = 18
[pid  1658] <... set_robust_list resumed>) = 0
executing program
[pid  1657] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1656] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1658] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1657] <... futex resumed>)        = 0
[pid  1655] <... mprotect resumed>)     = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1658
[pid  1658] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1656] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1657] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1658] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1657] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1655] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1659 attached
 <unfinished ...>
[pid  1658] <... prctl resumed>)        = 0
[pid  1657] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1655] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1659] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1658] setpgid(0, 0 <unfinished ...>
[pid  1657] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1656] <... clone3 resumed> => {parent_tid=[1659]}, 88) = 1659
[pid  1655] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1659] <... set_robust_list resumed>) = 0
[pid  1658] <... setpgid resumed>)      = 0
[pid  1657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1656] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1660 attached
 <unfinished ...>
[pid  1659] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1659] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1657] <... mmap resumed>)         = 0x7fb4de009000
[pid  1656] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1660] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1659] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1658] <... openat resumed>)       = 3
[pid  1657] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1656] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1655] <... clone3 resumed> => {parent_tid=[1660]}, 88) = 1660
[pid  1660] <... set_robust_list resumed>) = 0
[pid  1659] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1658] write(3, "1000", 4 <unfinished ...>
[pid  1657] <... mprotect resumed>)     = 0
[pid  1656] <... futex resumed>)        = 0
[pid  1655] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1659] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1656] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1660] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1658] <... write resumed>)        = 4
[pid  1657] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1655] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1659] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1660] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1658] close(3 <unfinished ...>
[pid  1657] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1655] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1660] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1659] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1658] <... close resumed>)        = 0
[pid  1657] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1655] <... futex resumed>)        = 0
[pid  1659] <... futex resumed>)        = 1
[pid  1658] write(1, "executing program\n", 18 <unfinished ...>
[pid  1656] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1661 attached
[pid  1660] <... mkdirat resumed>)      = -1 EEXIST (File exists)
executing program
[pid  1659] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1658] <... write resumed>)        = 18
[pid  1656] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1655] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1661] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1660] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1659] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1658] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1657] <... clone3 resumed> => {parent_tid=[1661]}, 88) = 1661
[pid  1656] <... futex resumed>)        = 0
[pid  1655] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1661] <... set_robust_list resumed>) = 0
[pid  1660] <... futex resumed>)        = 0
[pid  1659] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1658] <... futex resumed>)        = 0
[pid  1657] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1656] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1655] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1661] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1660] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1658] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1661] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1660] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1659] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1658] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1657] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1655] <... futex resumed>)        = 0
[pid  1661] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1660] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1659] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1658] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1657] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1655] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1661] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1659] <... futex resumed>)        = 1
[pid  1658] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1657] <... futex resumed>)        = 0
[pid  1656] <... futex resumed>)        = 0
[pid  1655] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1659] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1656] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1657] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1655] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1659] <... openat resumed>)       = 3
[pid  1656] <... futex resumed>)        = 0
[pid  1661] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1658] <... mmap resumed>)         = 0x7fb4de009000
[pid  1655] <... futex resumed>)        = 0
[pid  1661] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1659] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1658] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1656] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1655] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1661] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1659] <... futex resumed>)        = 0
[pid  1658] <... mprotect resumed>)     = 0
[pid  1656] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1661] <... futex resumed>)        = 1
[pid  1659] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1657] <... futex resumed>)        = 0
[pid  1658] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1656] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1657] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1661] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1659] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1658] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1657] <... futex resumed>)        = 0
[pid  1656] <... futex resumed>)        = 0
[pid  1661] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1660] <... futex resumed>)        = 1
[pid  1659] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1658] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1657] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1656] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1661] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1660] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1659] <... write resumed>)        = 2
[pid  1655] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1662 attached
[pid  1661] <... futex resumed>)        = 0
[pid  1660] <... openat resumed>)       = 3
[pid  1659] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1657] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1655] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=48000000} <unfinished ...>
[pid  1662] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1661] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1660] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1659] <... futex resumed>)        = 1
[pid  1658] <... clone3 resumed> => {parent_tid=[1662]}, 88) = 1662
[pid  1657] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1656] <... futex resumed>)        = 0
[pid  1662] <... set_robust_list resumed>) = 0
[pid  1661] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1660] <... futex resumed>)        = 0
[pid  1659] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1655] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1662] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1661] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1660] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1659] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1658] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1657] <... futex resumed>)        = 0
[pid  1656] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1662] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1661] <... openat resumed>)       = 3
[pid  1659] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1655] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1662] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1661] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1657] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1656] <... futex resumed>)        = 0
[pid  1661] <... futex resumed>)        = 0
[pid  1657] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1656] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1661] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1660] <... futex resumed>)        = 0
[pid  1659] <... openat resumed>)       = 4
[pid  1658] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1657] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1655] <... futex resumed>)        = 1
[pid  1661] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1660] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1661] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1660] <... write resumed>)        = 2
[pid  1659] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1658] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1657] <... futex resumed>)        = 0
[pid  1655] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1661] <... write resumed>)        = 2
[pid  1660] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1662] <... futex resumed>)        = 0
[pid  1661] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1660] <... futex resumed>)        = 0
[pid  1659] <... futex resumed>)        = 1
[pid  1658] <... futex resumed>)        = 1
[pid  1657] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1656] <... futex resumed>)        = 0
[pid  1655] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1661] <... futex resumed>)        = 0
[pid  1660] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1657] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1658] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1662] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1661] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1659] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1657] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1656] exit_group(0 <unfinished ...>
[pid  1655] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1662] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1661] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1660] <... futex resumed>)        = 0
[pid  1659] <... futex resumed>)        = ?
[pid  1657] <... futex resumed>)        = 0
[pid  1656] <... exit_group resumed>)   = ?
[pid  1655] <... futex resumed>)        = 1
[pid  1662] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1661] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1660] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1657] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1655] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1662] <... futex resumed>)        = 1
[pid  1661] <... openat resumed>)       = 4
[pid  1660] <... openat resumed>)       = 4
[pid  1658] <... futex resumed>)        = 0
[pid  1660] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1655] <... futex resumed>)        = 0
[pid  1660] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1655] exit_group(0 <unfinished ...>
[pid  1660] <... futex resumed>)        = ?
[pid  1655] <... exit_group resumed>)   = ?
[pid  1662] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1661] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1660] +++ exited with 0 +++
[pid  1659] +++ exited with 0 +++
[pid  1658] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1656] +++ exited with 0 +++
[pid  1662] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1661] <... futex resumed>)        = 1
[pid  1658] <... futex resumed>)        = 0
[pid  1657] <... futex resumed>)        = 0
[pid  1662] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1661] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1658] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1657] exit_group(0 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1656, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1662] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1661] <... futex resumed>)        = ?
[pid  1657] <... exit_group resumed>)   = ?
[pid  1655] +++ exited with 0 +++
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1662] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1661] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1655, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] <... restart_syscall resumed>) = 0
[pid  1662] <... futex resumed>)        = 1
[pid  1658] <... futex resumed>)        = 0
[pid  1657] +++ exited with 0 +++
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1662] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1658] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1657, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1662] <... openat resumed>)       = 3
[pid  1658] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 1663 attached
 <unfinished ...>
[pid  1662] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1658] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1663] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1662] <... futex resumed>)        = 0
[pid  1658] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1663] <... set_robust_list resumed>) = 0
[pid  1662] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1658] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1662] <... write resumed>)        = 2
[pid  1658] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1664 attached
[pid  1663] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1658] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1663
[pid   312] <... restart_syscall resumed>) = 0
[pid  1663] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1662] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1664
[pid  1663] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1662] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1663] <... prctl resumed>)        = 0
[pid  1662] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1663] setpgid(0, 0)               = 0
[pid  1663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1664] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1658] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1664] <... set_robust_list resumed>) = 0
[pid  1658] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1664] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1663] <... openat resumed>)       = 3
[pid  1662] <... futex resumed>)        = 0
[pid  1658] <... futex resumed>)        = 1
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1664] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1663] write(3, "1000", 4 <unfinished ...>
[pid  1662] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1658] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1664] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1663] <... write resumed>)        = 4
[pid  1662] <... openat resumed>)       = 4
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1664] <... prctl resumed>)        = 0
[pid  1664] setpgid(0, 0 <unfinished ...>
[pid  1663] close(3 <unfinished ...>
[pid  1662] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1664] <... setpgid resumed>)      = 0
[pid  1664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1663] <... close resumed>)        = 0
[pid  1662] <... futex resumed>)        = 1
[pid  1664] <... openat resumed>)       = 3
[pid  1663] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  1662] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 1665 attached
 <unfinished ...>
[pid  1664] write(3, "1000", 4 <unfinished ...>
[pid  1663] <... write resumed>)        = 18
[pid  1658] <... futex resumed>)        = 0
[pid  1665] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1664] <... write resumed>)        = 4
[pid  1663] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1665] <... set_robust_list resumed>) = 0
[pid  1664] close(3 <unfinished ...>
[pid  1665] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1664] <... close resumed>)        = 0
[pid  1663] <... futex resumed>)        = 0
[pid  1658] exit_group(0 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1665
[pid  1658] <... exit_group resumed>)   = ?
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1665] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1664] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  1663] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1662] <... futex resumed>)        = ?
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1665] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1664] <... write resumed>)        = 18
[pid  1663] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1665] <... prctl resumed>)        = 0
[pid  1664] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1663] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1665] setpgid(0, 0 <unfinished ...>
[pid  1664] <... futex resumed>)        = 0
[pid  1663] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1665] <... setpgid resumed>)      = 0
[pid  1664] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1663] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1664] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1663] <... mmap resumed>)         = 0x7fb4de009000
[pid  1664] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1663] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1665] <... openat resumed>)       = 3
[pid  1664] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1662] +++ exited with 0 +++
[pid  1658] +++ exited with 0 +++
[pid  1663] <... mprotect resumed>)     = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1658, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1663] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1665] write(3, "1000", 4 <unfinished ...>
[pid  1664] <... mmap resumed>)         = 0x7fb4de009000
[pid  1665] <... write resumed>)        = 4
[pid  1664] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1663] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1665] close(3 <unfinished ...>
[pid  1664] <... mprotect resumed>)     = 0
[pid  1663] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1665] <... close resumed>)        = 0
[pid  1665] write(1, "executing program\n", 18 <unfinished ...>
[pid  1664] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1666 attached
 <unfinished ...>
[pid  1665] <... write resumed>)        = 18
executing program
[pid  1665] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1666] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1665] <... futex resumed>)        = 0
[pid  1664] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1663] <... clone3 resumed> => {parent_tid=[1666]}, 88) = 1666
[pid  1666] <... set_robust_list resumed>) = 0
[pid  1665] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1664] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1663] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1667 attached
 <unfinished ...>
[pid  1666] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1665] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1663] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1665] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1663] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1665] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1663] <... futex resumed>)        = 0
[pid  1665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1664] <... clone3 resumed> => {parent_tid=[1667]}, 88) = 1667
[pid  1663] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1665] <... mmap resumed>)         = 0x7fb4de009000
[pid  1665] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1664] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1665] <... mprotect resumed>)     = 0
[pid  1664] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1664] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1665] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1664] <... futex resumed>)        = 0
[pid  1664] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1665] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1667] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1666] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1665] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1667] <... set_robust_list resumed>) = 0
[pid  1666] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1667] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1666] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1667] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1666] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1667] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1666] <... futex resumed>)        = 1
[pid  1663] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1668 attached
[pid  1667] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1666] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1663] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1668] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1667] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1666] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1665] <... clone3 resumed> => {parent_tid=[1668]}, 88) = 1668
[pid  1663] <... futex resumed>)        = 0
[pid  1665] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1663] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1665] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1665] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1665] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1668] <... set_robust_list resumed>) = 0
[pid  1666] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1667] <... futex resumed>)        = 1
[pid  1664] <... futex resumed>)        = 0
[pid  1668] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1664] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1668] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1664] <... futex resumed>)        = 0
[pid  1668] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1667] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1666] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1664] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1668] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1667] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1666] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1668] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1667] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1666] <... futex resumed>)        = 1
[pid  1663] <... futex resumed>)        = 0
[pid  1668] <... futex resumed>)        = 1
[pid  1667] <... futex resumed>)        = 1
[pid  1666] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1665] <... futex resumed>)        = 0
[pid  1664] <... futex resumed>)        = 0
[pid  1663] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1668] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1667] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1666] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1665] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1664] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1663] <... futex resumed>)        = 0
[pid  1668] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1667] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1666] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1665] <... futex resumed>)        = 0
[pid  1664] <... futex resumed>)        = 0
[pid  1663] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1667] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1666] <... openat resumed>)       = 3
[pid  1666] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1667] <... openat resumed>)       = 3
[pid  1666] <... futex resumed>)        = 0
[pid  1667] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1666] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1668] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1667] <... futex resumed>)        = 0
[pid  1665] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1664] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1663] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1668] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1667] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1664] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1663] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1668] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1666] <... futex resumed>)        = 0
[pid  1664] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1663] <... futex resumed>)        = 1
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1668] <... futex resumed>)        = 1
[pid  1667] <... futex resumed>)        = 0
[pid  1666] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1665] <... futex resumed>)        = 0
[pid  1664] <... futex resumed>)        = 1
[pid  1663] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1667] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1666] <... write resumed>)        = 2
[pid  1665] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1664] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1667] <... write resumed>)        = 2
[pid  1666] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1667] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1666] <... futex resumed>)        = 1
[pid  1667] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1666] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 1669 attached
 <unfinished ...>
[pid  1668] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1665] <... futex resumed>)        = 0
[pid  1664] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1663] <... futex resumed>)        = 0
[pid  1665] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1664] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1663] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1669] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1668] <... openat resumed>)       = 3
[pid  1664] <... futex resumed>)        = 1
[pid  1663] <... futex resumed>)        = 1
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1669
[pid  1669] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1668] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1667] <... futex resumed>)        = 0
[pid  1666] <... futex resumed>)        = 0
[pid  1664] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1663] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1669] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1668] <... futex resumed>)        = 1
[pid  1667] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1666] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1665] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1669] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1668] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1667] <... openat resumed>)       = 4
[pid  1665] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1669] <... prctl resumed>)        = 0
[pid  1668] <... write resumed>)        = 2
[pid  1667] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1666] <... openat resumed>)       = 4
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1669] setpgid(0, 0 <unfinished ...>
[pid  1668] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1667] <... futex resumed>)        = 1
[pid  1666] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1664] <... futex resumed>)        = 0
[pid  1669] <... setpgid resumed>)      = 0
[pid  1668] <... futex resumed>)        = 0
[pid  1667] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1666] <... futex resumed>)        = 1
[pid  1663] <... futex resumed>)        = 0
[pid  1669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1668] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1666] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1665] <... futex resumed>)        = 0
[pid  1664] exit_group(0 <unfinished ...>
[pid  1665] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1663] exit_group(0 <unfinished ...>
[pid  1665] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1665] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1668] <... futex resumed>)        = 0
[pid  1665] <... futex resumed>)        = 1
[pid  1669] <... openat resumed>)       = 3
[pid  1668] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1665] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1669] write(3, "1000", 4 <unfinished ...>
[pid  1668] <... openat resumed>)       = 4
[pid  1667] <... futex resumed>)        = ?
[pid  1666] <... futex resumed>)        = ?
[pid  1664] <... exit_group resumed>)   = ?
[pid  1663] <... exit_group resumed>)   = ?
[pid  1669] <... write resumed>)        = 4
[pid  1668] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1667] +++ exited with 0 +++
[pid  1666] +++ exited with 0 +++
[pid  1668] <... futex resumed>)        = 1
[pid  1665] <... futex resumed>)        = 0
[pid  1668] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1665] exit_group(0 <unfinished ...>
[pid  1668] <... futex resumed>)        = ?
[pid  1665] <... exit_group resumed>)   = ?
[pid  1668] +++ exited with 0 +++
[pid  1665] +++ exited with 0 +++
[pid  1663] +++ exited with 0 +++
[pid  1669] close(3 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1663, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1665, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1669] <... close resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1669] write(1, "executing program\n", 18 <unfinished ...>
[pid  1664] +++ exited with 0 +++
[pid  1669] <... write resumed>)        = 18
executing program
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1664, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1669] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1669] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1669] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1669] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1669] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1669] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1669] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1670 attached
 <unfinished ...>
[pid  1670] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  1669] <... clone3 resumed> => {parent_tid=[1670]}, 88) = 1670
[pid  1670] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1669] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1670] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1669] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1670] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1669] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1670] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1670] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1669] <... futex resumed>)        = 0
[pid  1669] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1670] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1670] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1669] <... futex resumed>)        = 0
[pid  1670] <... futex resumed>)        = 1
[pid  1669] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1670] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1669] <... futex resumed>)        = 0
[pid  1670] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1669] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1670] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1669] <... futex resumed>)        = 0
[pid  1669] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1670] <... futex resumed>)        = 1
[pid  1670] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1669] <... futex resumed>)        = 0
[pid  1670] <... openat resumed>)       = 3
[pid  1669] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1670] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1669] <... futex resumed>)        = 0
[pid  1670] <... futex resumed>)        = 1
[pid  1669] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1670] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1669] <... futex resumed>)        = 0
[pid  1670] <... write resumed>)        = 2
[pid  1670] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1669] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1670] <... futex resumed>)        = 0
[pid  1670] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1669] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... restart_syscall resumed>) = 0
[pid  1669] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1670] <... futex resumed>)        = 0
[pid  1669] <... futex resumed>)        = 1
[pid  1670] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1670] <... openat resumed>)       = 4
[pid  1669] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1670] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1670] <... futex resumed>)        = 1
[pid  1669] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1671 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1672 attached
 <unfinished ...>
[pid  1670] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1669] exit_group(0)               = ?
[pid  1670] <... futex resumed>)        = ?
[pid  1672] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1671] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1670] +++ exited with 0 +++
[pid  1669] +++ exited with 0 +++
[pid  1672] <... set_robust_list resumed>) = 0
[pid  1671] <... set_robust_list resumed>) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1671
[pid  1672] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1671] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1672
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1669, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1672] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1671] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1672] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1671] <... prctl resumed>)        = 0
[pid  1672] <... prctl resumed>)        = 0
[pid  1671] setpgid(0, 0 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1672] setpgid(0, 0 <unfinished ...>
[pid  1671] <... setpgid resumed>)      = 0
[pid  1672] <... setpgid resumed>)      = 0
[pid  1672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1672] <... openat resumed>)       = 3
[pid  1671] <... openat resumed>)       = 3
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1671] write(3, "1000", 4 <unfinished ...>
[pid  1672] write(3, "1000", 4 <unfinished ...>
[pid  1671] <... write resumed>)        = 4
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1671] close(3 <unfinished ...>
[pid  1672] <... write resumed>)        = 4
[pid  1671] <... close resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1672] close(3 <unfinished ...>
[pid  1671] write(1, "executing program\n", 18 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1671] <... write resumed>)        = 18
[pid  1671] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1671] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1671] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1672] <... close resumed>)        = 0
executing program
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1673 attached
[pid  1671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1673] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1671] <... mmap resumed>)         = 0x7fb4de009000
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1672] write(1, "executing program\n", 18 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1673
[pid  1672] <... write resumed>)        = 18
[pid  1673] <... set_robust_list resumed>) = 0
[pid  1671] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1673] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1671] <... mprotect resumed>)     = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1674 attached
[pid  1673] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  1672] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1671] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1674] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1673] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1672] <... futex resumed>)        = 0
[pid  1671] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1674
[pid  1674] <... set_robust_list resumed>) = 0
[pid  1672] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1673] <... prctl resumed>)        = 0
[pid  1672] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1671] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1674] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1673] setpgid(0, 0 <unfinished ...>
[pid  1672] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1675 attached
 <unfinished ...>
[pid  1674] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1673] <... setpgid resumed>)      = 0
[pid  1672] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1671] <... clone3 resumed> => {parent_tid=[1675]}, 88) = 1675
[pid  1675] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1674] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1671] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1675] <... set_robust_list resumed>) = 0
[pid  1674] <... prctl resumed>)        = 0
[pid  1673] <... openat resumed>)       = 3
[pid  1672] <... mmap resumed>)         = 0x7fb4de009000
[pid  1671] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1675] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1672] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1675] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1674] setpgid(0, 0 <unfinished ...>
[pid  1672] <... mprotect resumed>)     = 0
[pid  1675] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1674] <... setpgid resumed>)      = 0
[pid  1675] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1673] write(3, "1000", 4 <unfinished ...>
[pid  1672] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1671] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1675] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1673] <... write resumed>)        = 4
[pid  1671] <... futex resumed>)        = 0
[pid  1675] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1673] close(3 <unfinished ...>
[pid  1672] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1671] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1675] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1674] <... openat resumed>)       = 3
[pid  1673] <... close resumed>)        = 0
[pid  1671] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1675] <... futex resumed>)        = 0
executing program
[pid  1673] write(1, "executing program\n", 18 <unfinished ...>
[pid  1671] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1672] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1675] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1674] write(3, "1000", 4 <unfinished ...>
[pid  1673] <... write resumed>)        = 18
[pid  1671] <... futex resumed>)        = 0
[pid  1673] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1671] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1673] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1676 attached
[pid  1673] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1676] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1675] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1674] <... write resumed>)        = 4
[pid  1673] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1675] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1674] close(3 <unfinished ...>
[pid  1672] <... clone3 resumed> => {parent_tid=[1676]}, 88) = 1676
[pid  1674] <... close resumed>)        = 0
[pid  1672] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1675] <... futex resumed>)        = 1
[pid  1674] write(1, "executing program\n", 18 <unfinished ...>
[pid  1672] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1676] <... set_robust_list resumed>) = 0
[pid  1673] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1671] <... futex resumed>)        = 0
executing program
[pid  1676] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1675] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1674] <... write resumed>)        = 18
[pid  1673] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1672] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1671] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1676] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1675] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1674] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1672] <... futex resumed>)        = 0
[pid  1671] <... futex resumed>)        = 0
[pid  1676] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1675] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1674] <... futex resumed>)        = 0
[pid  1673] <... mmap resumed>)         = 0x7fb4de009000
[pid  1672] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1671] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1676] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1675] <... openat resumed>)       = 3
[pid  1674] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1673] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1676] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1675] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1674] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1673] <... mprotect resumed>)     = 0
[pid  1676] <... futex resumed>)        = 1
[pid  1675] <... futex resumed>)        = 1
[pid  1674] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1673] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1672] <... futex resumed>)        = 0
[pid  1671] <... futex resumed>)        = 0
[pid  1676] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1675] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1674] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1673] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1672] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1671] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1676] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1675] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1673] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1672] <... futex resumed>)        = 0
[pid  1671] <... futex resumed>)        = 0
[pid  1676] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1675] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1674] <... mmap resumed>)         = 0x7fb4de009000
[pid  1671] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1677 attached
 <unfinished ...>
[pid  1676] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1675] <... write resumed>)        = 2
[pid  1674] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1672] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1676] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1675] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1673] <... clone3 resumed> => {parent_tid=[1677]}, 88) = 1677
[pid  1676] <... futex resumed>)        = 1
[pid  1673] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1672] <... futex resumed>)        = 0
[pid  1676] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1673] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1672] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1676] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1673] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1672] <... futex resumed>)        = 0
[pid  1676] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1673] <... futex resumed>)        = 0
[pid  1672] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1677] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1676] <... openat resumed>)       = 3
[pid  1675] <... futex resumed>)        = 1
[pid  1674] <... mprotect resumed>)     = 0
[pid  1673] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1671] <... futex resumed>)        = 0
[pid  1677] <... set_robust_list resumed>) = 0
[pid  1676] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1675] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1674] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1671] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1677] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1676] <... futex resumed>)        = 1
[pid  1675] <... openat resumed>)       = 4
[pid  1674] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1672] <... futex resumed>)        = 0
[pid  1671] <... futex resumed>)        = 0
[pid  1677] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1676] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1675] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1674] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1672] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1671] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1677] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1676] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1672] <... futex resumed>)        = 0
[pid  1671] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 1678 attached
[pid  1677] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1676] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1675] <... futex resumed>)        = 0
[pid  1672] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1671] exit_group(0 <unfinished ...>
[pid  1678] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1677] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1676] <... write resumed>)        = 2
[pid  1671] <... exit_group resumed>)   = ?
[pid  1678] <... set_robust_list resumed>) = 0
[pid  1677] <... futex resumed>)        = 1
[pid  1676] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1674] <... clone3 resumed> => {parent_tid=[1678]}, 88) = 1678
[pid  1673] <... futex resumed>)        = 0
[pid  1678] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1677] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1676] <... futex resumed>)        = 1
[pid  1672] <... futex resumed>)        = 0
[pid  1678] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1676] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1672] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1678] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1676] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1672] <... futex resumed>)        = 0
[pid  1676] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1672] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1676] <... openat resumed>)       = 4
[pid  1676] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1675] +++ exited with 0 +++
[pid  1671] +++ exited with 0 +++
[pid  1674] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1673] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1677] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1674] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1673] <... futex resumed>)        = 0
[pid  1677] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1671, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1674] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1673] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1678] <... futex resumed>)        = 0
[pid  1676] <... futex resumed>)        = 1
[pid  1674] <... futex resumed>)        = 1
[pid  1672] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1678] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1676] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1672] exit_group(0 <unfinished ...>
[pid  1678] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1676] <... futex resumed>)        = ?
[pid  1672] <... exit_group resumed>)   = ?
[pid  1678] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1677] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1676] +++ exited with 0 +++
[pid  1674] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1672] +++ exited with 0 +++
[pid  1678] <... futex resumed>)        = 0
[pid  1677] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1674] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1678] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1677] <... futex resumed>)        = 1
[pid  1674] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1672, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1673] <... futex resumed>)        = 0
[pid  1678] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1678] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1674] <... futex resumed>)        = 0
[pid  1673] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1674] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1673] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1677] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1673] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1678] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1678] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1677] <... openat resumed>)       = 3
[pid  1678] <... futex resumed>)        = 1
[pid  1674] <... futex resumed>)        = 0
[pid  1677] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1678] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1674] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1678] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1677] <... futex resumed>)        = 1
[pid  1674] <... futex resumed>)        = 0
[pid  1673] <... futex resumed>)        = 0
[pid  1678] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1674] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1678] <... openat resumed>)       = 3
[pid  1677] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1673] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1677] <... write resumed>)        = 2
[pid  1673] <... futex resumed>)        = 0
[pid  1677] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1673] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1677] <... futex resumed>)        = 0
[pid  1678] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1677] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1674] <... futex resumed>)        = 0
[pid  1673] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1678] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1674] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1678] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1674] <... futex resumed>)        = 0
[pid  1673] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1678] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1674] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1678] <... write resumed>)        = 2
[pid  1677] <... futex resumed>)        = 0
[pid  1673] <... futex resumed>)        = 1
[pid  1678] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1677] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1673] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1678] <... futex resumed>)        = 1
[pid  1674] <... futex resumed>)        = 0
[pid  1678] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1677] <... openat resumed>)       = 4
[pid  1674] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1678] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1674] <... futex resumed>)        = 0
[pid  1678] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1674] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1678] <... openat resumed>)       = 4
[pid  1677] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1678] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1677] <... futex resumed>)        = 1
[pid  1673] <... futex resumed>)        = 0
[pid  1677] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1678] <... futex resumed>)        = 1
[pid  1674] <... futex resumed>)        = 0
[pid  1678] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1674] exit_group(0 <unfinished ...>
[pid  1673] exit_group(0 <unfinished ...>
[pid  1678] <... futex resumed>)        = ?
[pid  1674] <... exit_group resumed>)   = ?
[pid  1678] +++ exited with 0 +++
[pid  1677] <... futex resumed>)        = ?
[pid  1674] +++ exited with 0 +++
[pid  1673] <... exit_group resumed>)   = ?
[pid  1677] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1674, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1673] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1673, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1679 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1680 attached
 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1679
[pid  1680] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1679] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1680] <... set_robust_list resumed>) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1679] <... set_robust_list resumed>) = 0
[pid  1680] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1679] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1680] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1679] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1679] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1680] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1680
[pid  1679] <... prctl resumed>)        = 0
[pid  1680] <... prctl resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1679] setpgid(0, 0 <unfinished ...>
[pid  1680] setpgid(0, 0 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1679] <... setpgid resumed>)      = 0
[pid  1680] <... setpgid resumed>)      = 0
[pid  1679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1679] <... openat resumed>)       = 3
[pid  1679] write(3, "1000", 4 <unfinished ...>
[pid  1680] <... openat resumed>)       = 3
[pid   312] <... restart_syscall resumed>) = 0
[pid  1679] <... write resumed>)        = 4
[pid  1680] write(3, "1000", 4 <unfinished ...>
[pid  1679] close(3 <unfinished ...>
[pid  1680] <... write resumed>)        = 4
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1679] <... close resumed>)        = 0
[pid  1680] close(3 <unfinished ...>
[pid  1679] write(1, "executing program\n", 18 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1679] <... write resumed>)        = 18
[pid  1680] <... close resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1679] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1680] write(1, "executing program\n", 18 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1681 attached
[pid  1679] <... futex resumed>)        = 0
[pid  1680] <... write resumed>)        = 18
executing program
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1682 attached
 <unfinished ...>
[pid  1681] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1679] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1680] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1681
[pid  1682] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1681] <... set_robust_list resumed>) = 0
[pid  1679] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1680] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1682] <... set_robust_list resumed>) = 0
[pid  1681] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1679] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1680] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1682] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1681] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1679] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1680] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1682] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1681] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1679] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1680] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1682
[pid  1682] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1681] <... prctl resumed>)        = 0
[pid  1679] <... mmap resumed>)         = 0x7fb4de009000
[pid  1680] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1682] <... prctl resumed>)        = 0
[pid  1681] setpgid(0, 0 <unfinished ...>
[pid  1679] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1682] setpgid(0, 0 <unfinished ...>
[pid  1681] <... setpgid resumed>)      = 0
[pid  1679] <... mprotect resumed>)     = 0
[pid  1680] <... mmap resumed>)         = 0x7fb4de009000
[pid  1682] <... setpgid resumed>)      = 0
[pid  1681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1679] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1680] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1681] <... openat resumed>)       = 3
[pid  1679] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1680] <... mprotect resumed>)     = 0
[pid  1682] <... openat resumed>)       = 3
[pid  1681] write(3, "1000", 4 <unfinished ...>
[pid  1679] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1682] write(3, "1000", 4 <unfinished ...>
[pid  1681] <... write resumed>)        = 4
[pid  1680] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
executing program
executing program
[pid  1681] close(3ci2-android-6-12-rust/strace-static-x86_64: Process 1683 attached
 <unfinished ...>
[pid  1682] <... write resumed>)        = 4
[pid  1681] <... close resumed>)        = 0
[pid  1680] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1683] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1682] close(3 <unfinished ...>
[pid  1681] write(1, "executing program\n", 18 <unfinished ...>
[pid  1680] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1683] <... set_robust_list resumed>) = 0
[pid  1682] <... close resumed>)        = 0
[pid  1679] <... clone3 resumed> => {parent_tid=[1683]}, 88) = 1683
ci2-android-6-12-rust/strace-static-x86_64: Process 1684 attached
[pid  1683] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1682] write(1, "executing program\n", 18 <unfinished ...>
[pid  1681] <... write resumed>)        = 18
[pid  1679] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1684] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1683] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1682] <... write resumed>)        = 18
[pid  1681] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1684] <... set_robust_list resumed>) = 0
[pid  1683] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1679] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1680] <... clone3 resumed> => {parent_tid=[1684]}, 88) = 1684
[pid  1682] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1684] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1679] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1682] <... futex resumed>)        = 0
[pid  1680] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1684] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1683] <... futex resumed>)        = 0
[pid  1682] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1679] <... futex resumed>)        = 1
[pid  1684] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1680] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1683] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  1682] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1681] <... futex resumed>)        = 0
[pid  1679] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1680] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1683] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1682] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1681] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1684] <... futex resumed>)        = 0
[pid  1683] <... futex resumed>)        = 0
[pid  1682] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1681] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1679] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1680] <... futex resumed>)        = 1
[pid  1684] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1683] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1682] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1681] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1680] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1684] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1683] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1682] <... mmap resumed>)         = 0x7fb4de009000
[pid  1681] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1679] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1684] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1683] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1682] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1679] <... futex resumed>)        = 0
[pid  1684] <... futex resumed>)        = 1
[pid  1683] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1682] <... mprotect resumed>)     = 0
[pid  1681] <... mmap resumed>)         = 0x7fb4de009000
[pid  1679] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1680] <... futex resumed>)        = 0
[pid  1684] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1683] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1682] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1681] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1679] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1680] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1684] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1683] <... futex resumed>)        = 0
[pid  1682] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1681] <... mprotect resumed>)     = 0
[pid  1679] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1680] <... futex resumed>)        = 0
[pid  1684] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1683] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1682] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1681] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1679] <... futex resumed>)        = 0
[pid  1680] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1685 attached
 <unfinished ...>
[pid  1684] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1683] <... openat resumed>)       = 3
[pid  1681] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1679] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1685] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1684] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1683] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1681] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1686 attached
 <unfinished ...>
[pid  1685] <... set_robust_list resumed>) = 0
[pid  1684] <... futex resumed>)        = 1
[pid  1683] <... futex resumed>)        = 0
[pid  1682] <... clone3 resumed> => {parent_tid=[1685]}, 88) = 1685
[pid  1679] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1680] <... futex resumed>)        = 0
[pid  1686] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1685] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1684] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1683] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1682] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1681] <... clone3 resumed> => {parent_tid=[1686]}, 88) = 1686
[pid  1679] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1680] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1686] <... set_robust_list resumed>) = 0
[pid  1685] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1684] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1683] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1682] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1679] <... futex resumed>)        = 0
[pid  1680] <... futex resumed>)        = 0
[pid  1686] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1685] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1684] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1682] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1679] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1683] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1680] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1686] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1685] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1684] <... openat resumed>)       = 3
[pid  1683] <... write resumed>)        = 2
[pid  1682] <... futex resumed>)        = 0
[pid  1686] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1685] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1684] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1683] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1682] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1685] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1684] <... futex resumed>)        = 1
[pid  1683] <... futex resumed>)        = 1
[pid  1679] <... futex resumed>)        = 0
[pid  1680] <... futex resumed>)        = 0
[pid  1685] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1684] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1683] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1679] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1680] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1685] <... futex resumed>)        = 1
[pid  1684] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1683] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1682] <... futex resumed>)        = 0
[pid  1679] <... futex resumed>)        = 0
[pid  1680] <... futex resumed>)        = 0
[pid  1685] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1684] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1683] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1682] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1679] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1680] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1685] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1684] <... write resumed>)        = 2
[pid  1683] <... openat resumed>)       = 4
[pid  1682] <... futex resumed>)        = 0
[pid  1685] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1684] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1683] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1682] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1685] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1684] <... futex resumed>)        = 1
[pid  1683] <... futex resumed>)        = 1
[pid  1681] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1679] <... futex resumed>)        = 0
[pid  1680] <... futex resumed>)        = 0
[pid  1685] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1684] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1683] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1681] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1679] exit_group(0 <unfinished ...>
[pid  1680] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1685] <... futex resumed>)        = 1
[pid  1684] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1683] <... futex resumed>)        = ?
[pid  1682] <... futex resumed>)        = 0
[pid  1681] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1679] <... exit_group resumed>)   = ?
[pid  1680] <... futex resumed>)        = 0
[pid  1686] <... futex resumed>)        = 0
[pid  1685] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1684] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1683] +++ exited with 0 +++
[pid  1682] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1681] <... futex resumed>)        = 1
[pid  1680] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1686] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1681] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1686] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1685] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1679] +++ exited with 0 +++
[pid  1686] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1681] <... futex resumed>)        = 0
[pid  1686] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1681] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1686] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1681] <... futex resumed>)        = 0
[pid  1686] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1685] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1684] <... openat resumed>)       = 4
[pid  1682] <... futex resumed>)        = 0
[pid  1681] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1686] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1685] <... openat resumed>)       = 3
[pid  1684] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1682] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1686] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1685] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1684] <... futex resumed>)        = 1
[pid  1680] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1679, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1686] <... futex resumed>)        = 1
[pid  1685] <... futex resumed>)        = 0
[pid  1684] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1682] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1681] <... futex resumed>)        = 0
[pid  1686] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1685] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1682] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1681] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1680] exit_group(0 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1686] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1685] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1682] <... futex resumed>)        = 0
[pid  1681] <... futex resumed>)        = 0
[pid  1684] <... futex resumed>)        = ?
[pid  1680] <... exit_group resumed>)   = ?
[pid  1686] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1685] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1682] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1681] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1686] <... openat resumed>)       = 3
[pid  1684] +++ exited with 0 +++
[pid  1680] +++ exited with 0 +++
[pid  1685] <... write resumed>)        = 2
[pid  1685] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1686] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1685] <... futex resumed>)        = 1
[pid  1682] <... futex resumed>)        = 0
[pid  1686] <... futex resumed>)        = 1
[pid  1685] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1682] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1681] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1680, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1686] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1685] <... openat resumed>)       = 4
[pid  1682] <... futex resumed>)        = 0
[pid  1681] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1686] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1685] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1682] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1681] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1686] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1685] <... futex resumed>)        = 0
[pid  1682] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1681] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1686] <... write resumed>)        = 2
[pid  1685] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1682] exit_group(0 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1687 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1688 attached
 <unfinished ...>
[pid  1686] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1685] <... futex resumed>)        = ?
[pid  1682] <... exit_group resumed>)   = ?
[pid  1687] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1685] +++ exited with 0 +++
[pid  1688] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1686] <... futex resumed>)        = 1
[pid  1681] <... futex resumed>)        = 0
[pid  1686] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1681] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1688
[pid  1688] <... set_robust_list resumed>) = 0
[pid  1687] <... set_robust_list resumed>) = 0
[pid  1686] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1682] +++ exited with 0 +++
[pid  1681] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1687
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1688] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1687] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1686] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1681] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1682, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1688] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1687] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1686] <... openat resumed>)       = 4
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1688] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1687] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1686] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1688] <... prctl resumed>)        = 0
[pid  1687] <... prctl resumed>)        = 0
[pid  1686] <... futex resumed>)        = 1
[pid  1681] <... futex resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1688] setpgid(0, 0 <unfinished ...>
[pid  1687] setpgid(0, 0 <unfinished ...>
[pid  1686] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1681] exit_group(0 <unfinished ...>
[pid  1688] <... setpgid resumed>)      = 0
[pid  1687] <... setpgid resumed>)      = 0
[pid  1686] <... futex resumed>)        = ?
[pid  1681] <... exit_group resumed>)   = ?
[pid  1688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1686] +++ exited with 0 +++
[pid  1681] +++ exited with 0 +++
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1688] <... openat resumed>)       = 3
[pid  1687] <... openat resumed>)       = 3
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1688] write(3, "1000", 4 <unfinished ...>
[pid  1687] write(3, "1000", 4 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1681, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1689 attached
 <unfinished ...>
[pid  1688] <... write resumed>)        = 4
[pid  1687] <... write resumed>)        = 4
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1689] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1688] close(3 <unfinished ...>
[pid  1687] close(3 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1689
[pid  1689] <... set_robust_list resumed>) = 0
[pid  1688] <... close resumed>)        = 0
[pid  1687] <... close resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1689] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1688] write(1, "executing program\n", 18 <unfinished ...>
[pid  1687] write(1, "executing program\n", 18 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
executing program
[pid  1689] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1688] <... write resumed>)        = 18
[pid  1687] <... write resumed>)        = 18
[pid  1688] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1687] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1688] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1689] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1687] <... futex resumed>)        = 0
[pid  1689] <... prctl resumed>)        = 0
[pid  1688] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1689] setpgid(0, 0 <unfinished ...>
[pid  1687] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1689] <... setpgid resumed>)      = 0
[pid  1688] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1687] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1688] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1687] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1689] <... openat resumed>)       = 3
[pid  1687] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1688] <... mmap resumed>)         = 0x7fb4de009000
[pid  1689] write(3, "1000", 4 <unfinished ...>
[pid  1687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1689] <... write resumed>)        = 4
[pid  1688] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1689] close(3 <unfinished ...>
[pid  1687] <... mmap resumed>)         = 0x7fb4de009000
[pid  1689] <... close resumed>)        = 0
[pid  1688] <... mprotect resumed>)     = 0
[pid  1687] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1689] write(1, "executing program\n", 18 <unfinished ...>
[pid  1687] <... mprotect resumed>)     = 0
[pid  1689] <... write resumed>)        = 18
[pid  1688] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1687] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1689] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1688] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1687] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1688] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
executing program
[pid  1687] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1690 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1691 attached
 <unfinished ...>
[pid  1689] <... futex resumed>)        = 0
[pid  1691] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1690] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1689] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1691] <... set_robust_list resumed>) = 0
[pid  1690] <... set_robust_list resumed>) = 0
[pid  1689] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1688] <... clone3 resumed> => {parent_tid=[1691]}, 88) = 1691
[pid  1687] <... clone3 resumed> => {parent_tid=[1690]}, 88) = 1690
[pid  1691] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1690] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1689] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1688] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1691] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1690] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1689] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1687] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1691] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1690] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1688] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1687] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  1688] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1687] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1691] <... futex resumed>)        = 0
[pid  1688] <... futex resumed>)        = 1
[pid  1687] <... futex resumed>)        = 1
[pid  1690] <... futex resumed>)        = 0
[pid  1691] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1689] <... mmap resumed>)         = 0x7fb4de009000
[pid  1688] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1687] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1690] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1689] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1691] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1690] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1689] <... mprotect resumed>)     = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1691] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1690] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1689] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1691] <... futex resumed>)        = 1
[pid  1690] <... futex resumed>)        = 1
[pid  1688] <... futex resumed>)        = 0
[pid  1687] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1691] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1690] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1688] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1687] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1689] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1689] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1693 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1692 attached
 <unfinished ...>
[pid  1691] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1690] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1688] <... futex resumed>)        = 0
[pid  1687] <... futex resumed>)        = 0
[pid  1693] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1692] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1691] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1690] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1689] <... clone3 resumed> => {parent_tid=[1692]}, 88) = 1692
[pid  1688] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1687] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1693
[pid  1693] <... set_robust_list resumed>) = 0
[pid  1692] <... set_robust_list resumed>) = 0
[pid  1691] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1693] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1692] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1690] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1689] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1693] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1691] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1690] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1693] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1692] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1691] <... futex resumed>)        = 1
[pid  1690] <... futex resumed>)        = 1
[pid  1689] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1688] <... futex resumed>)        = 0
[pid  1687] <... futex resumed>)        = 0
[pid  1693] <... prctl resumed>)        = 0
[pid  1692] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1691] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1690] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1689] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1688] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1687] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1693] setpgid(0, 0 <unfinished ...>
[pid  1692] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1691] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1690] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1689] <... futex resumed>)        = 0
[pid  1688] <... futex resumed>)        = 0
[pid  1687] <... futex resumed>)        = 0
[pid  1693] <... setpgid resumed>)      = 0
[pid  1692] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1691] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1690] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1689] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1688] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1687] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1692] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1691] <... openat resumed>)       = 3
[pid  1690] <... openat resumed>)       = 3
[pid  1693] <... openat resumed>)       = 3
[pid  1692] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1691] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1693] write(3, "1000", 4 <unfinished ...>
[pid  1692] <... futex resumed>)        = 1
[pid  1690] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1689] <... futex resumed>)        = 0
[pid  1693] <... write resumed>)        = 4
[pid  1692] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1691] <... futex resumed>)        = 1
[pid  1690] <... futex resumed>)        = 1
[pid  1689] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1688] <... futex resumed>)        = 0
[pid  1687] <... futex resumed>)        = 0
[pid  1693] close(3 <unfinished ...>
[pid  1692] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1691] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1690] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1689] <... futex resumed>)        = 0
[pid  1688] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1687] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1693] <... close resumed>)        = 0
[pid  1692] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1691] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1690] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1689] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1688] <... futex resumed>)        = 0
[pid  1687] <... futex resumed>)        = 0
[pid  1693] write(1, "executing program\n", 18 <unfinished ...>
[pid  1692] <... futex resumed>)        = 0
[pid  1691] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1690] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1689] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
executing program
[pid  1688] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1693] <... write resumed>)        = 18
[pid  1692] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1691] <... write resumed>)        = 2
[pid  1690] <... write resumed>)        = 2
[pid  1689] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1687] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1693] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1692] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1691] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1690] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1689] <... futex resumed>)        = 0
[pid  1693] <... futex resumed>)        = 0
[pid  1692] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1691] <... futex resumed>)        = 1
[pid  1690] <... futex resumed>)        = 0
[pid  1689] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1688] <... futex resumed>)        = 0
[pid  1687] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1693] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1692] <... openat resumed>)       = 3
[pid  1691] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1690] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1688] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1687] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1693] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1691] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1690] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1688] <... futex resumed>)        = 0
[pid  1687] <... futex resumed>)        = 0
[pid  1693] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1691] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1690] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1688] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1687] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1693] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1691] <... openat resumed>)       = 4
[pid  1692] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1692] <... futex resumed>)        = 1
[pid  1691] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1690] <... openat resumed>)       = 4
[pid  1689] <... futex resumed>)        = 0
[pid  1693] <... mmap resumed>)         = 0x7fb4de009000
[pid  1692] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1691] <... futex resumed>)        = 1
[pid  1690] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1689] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1688] <... futex resumed>)        = 0
[pid  1693] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1692] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1691] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1690] <... futex resumed>)        = 1
[pid  1689] <... futex resumed>)        = 0
[pid  1687] <... futex resumed>)        = 0
[pid  1693] <... mprotect resumed>)     = 0
[pid  1692] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1690] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1689] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1688] exit_group(0 <unfinished ...>
[pid  1693] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1692] <... write resumed>)        = 2
[pid  1687] exit_group(0 <unfinished ...>
[pid  1693] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1692] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1691] <... futex resumed>)        = ?
[pid  1688] <... exit_group resumed>)   = ?
[pid  1693] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1692] <... futex resumed>)        = 1
[pid  1690] <... futex resumed>)        = ?
[pid  1689] <... futex resumed>)        = 0
[pid  1687] <... exit_group resumed>)   = ?
[pid  1692] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1691] +++ exited with 0 +++
[pid  1689] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1692] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1689] <... futex resumed>)        = 0
[pid  1692] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1689] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1694 attached
 <unfinished ...>
[pid  1692] <... openat resumed>)       = 4
[pid  1690] +++ exited with 0 +++
[pid  1688] +++ exited with 0 +++
[pid  1692] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1688, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1692] <... futex resumed>)        = 1
[pid  1689] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1694] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1693] <... clone3 resumed> => {parent_tid=[1694]}, 88) = 1694
[pid  1692] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1689] exit_group(0 <unfinished ...>
[pid  1687] +++ exited with 0 +++
[pid  1694] <... set_robust_list resumed>) = 0
[pid  1693] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1692] <... futex resumed>)        = ?
[pid  1689] <... exit_group resumed>)   = ?
[pid  1694] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1693] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1692] +++ exited with 0 +++
[pid  1689] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1687, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] <... restart_syscall resumed>) = 0
[pid  1694] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1693] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1689, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1694] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1693] <... futex resumed>)        = 0
[pid  1694] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1693] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1694] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1693] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1694] <... futex resumed>)        = 0
[pid  1693] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1696 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1695 attached
[pid  1694] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1693] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1696] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1695] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1694] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1693] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1696
ci2-android-6-12-rust/strace-static-x86_64: Process 1697 attached
[pid  1696] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1695] <... set_robust_list resumed>) = 0
[pid  1694] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1697] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1696] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1697] <... set_robust_list resumed>) = 0
[pid  1695] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1694] <... futex resumed>)        = 1
[pid  1693] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1696] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1697] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1693] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1697] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1696] <... prctl resumed>)        = 0
[pid  1695] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1694] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1693] <... futex resumed>)        = 0
[pid  1696] setpgid(0, 0 <unfinished ...>
[pid  1697] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1696] <... setpgid resumed>)      = 0
[pid  1695] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1694] <... openat resumed>)       = 3
[pid  1693] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1695
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1697
[pid  1697] <... prctl resumed>)        = 0
[pid  1696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1695] <... prctl resumed>)        = 0
[pid  1694] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1693] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1697] setpgid(0, 0 <unfinished ...>
[pid  1696] <... openat resumed>)       = 3
[pid  1695] setpgid(0, 0 <unfinished ...>
[pid  1694] <... futex resumed>)        = 0
[pid  1693] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1697] <... setpgid resumed>)      = 0
[pid  1696] write(3, "1000", 4 <unfinished ...>
[pid  1695] <... setpgid resumed>)      = 0
[pid  1694] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1693] <... futex resumed>)        = 0
[pid  1697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1696] <... write resumed>)        = 4
[pid  1695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1694] <... write resumed>)        = 2
[pid  1693] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1697] <... openat resumed>)       = 3
[pid  1696] close(3 <unfinished ...>
[pid  1694] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1693] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1697] write(3, "1000", 4 <unfinished ...>
[pid  1695] <... openat resumed>)       = 3
[pid  1694] <... futex resumed>)        = 0
[pid  1697] <... write resumed>)        = 4
[pid  1695] write(3, "1000", 4 <unfinished ...>
[pid  1694] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1693] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1697] close(3 <unfinished ...>
[pid  1695] <... write resumed>)        = 4
[pid  1697] <... close resumed>)        = 0
[pid  1696] <... close resumed>)        = 0
[pid  1695] close(3 <unfinished ...>
[pid  1694] <... openat resumed>)       = 4
[pid  1693] <... futex resumed>)        = 0
[pid  1697] write(1, "executing program\n", 18 <unfinished ...>
executing program
executing program
[pid  1696] write(1, "executing program\n", 18 <unfinished ...>
[pid  1695] <... close resumed>)        = 0
[pid  1697] <... write resumed>)        = 18
[pid  1696] <... write resumed>)        = 18
[pid  1694] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1693] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1697] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1696] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1695] write(1, "executing program\n", 18 <unfinished ...>
[pid  1694] <... futex resumed>)        = 0
[pid  1693] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1697] <... futex resumed>)        = 0
[pid  1696] <... futex resumed>)        = 0
executing program
[pid  1695] <... write resumed>)        = 18
[pid  1697] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1696] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1695] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1694] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1693] exit_group(0 <unfinished ...>
[pid  1697] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1696] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1695] <... futex resumed>)        = 0
[pid  1697] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1696] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1694] <... futex resumed>)        = ?
[pid  1693] <... exit_group resumed>)   = ?
[pid  1697] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1696] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1695] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1694] +++ exited with 0 +++
[pid  1696] <... mmap resumed>)         = 0x7fb4de009000
[pid  1696] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1696] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1693] +++ exited with 0 +++
[pid  1697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1695] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1697] <... mmap resumed>)         = 0x7fb4de009000
[pid  1696] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1695] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1693, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1697] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1695] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1697] <... mprotect resumed>)     = 0
[pid  1695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1697] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1696] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1695] <... mmap resumed>)         = 0x7fb4de009000
ci2-android-6-12-rust/strace-static-x86_64: Process 1698 attached
[pid  1697] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1695] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1698] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1697] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1696] <... clone3 resumed> => {parent_tid=[1698]}, 88) = 1698
[pid  1698] <... set_robust_list resumed>) = 0
[pid  1695] <... mprotect resumed>)     = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1699 attached
[pid  1698] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1695] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1699] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1699] <... set_robust_list resumed>) = 0
[pid  1698] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1697] <... clone3 resumed> => {parent_tid=[1699]}, 88) = 1699
[pid  1695] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1699] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1698] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1697] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1695] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1699] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1697] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1700 attached
[pid  1696] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1696] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1698] <... futex resumed>)        = 0
[pid  1696] <... futex resumed>)        = 1
[pid  1700] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1699] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1698] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1697] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1696] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1701 attached
 <unfinished ...>
[pid  1700] <... set_robust_list resumed>) = 0
[pid  1699] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1698] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1697] <... futex resumed>)        = 0
[pid  1695] <... clone3 resumed> => {parent_tid=[1700]}, 88) = 1700
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1701
[pid  1701] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1700] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1699] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1698] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1697] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1695] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1701] <... set_robust_list resumed>) = 0
[pid  1700] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1699] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1698] <... futex resumed>)        = 1
[pid  1696] <... futex resumed>)        = 0
[pid  1695] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1701] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1700] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1699] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1698] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1696] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1701] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1700] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1699] <... futex resumed>)        = 1
[pid  1697] <... futex resumed>)        = 0
[pid  1696] <... futex resumed>)        = 0
[pid  1695] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1698] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1701] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1700] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1699] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1697] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1696] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1695] <... futex resumed>)        = 0
[pid  1701] <... prctl resumed>)        = 0
[pid  1700] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1699] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1698] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1697] <... futex resumed>)        = 0
[pid  1695] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1701] setpgid(0, 0 <unfinished ...>
[pid  1700] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1699] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1698] <... futex resumed>)        = 1
[pid  1697] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1696] <... futex resumed>)        = 0
[pid  1695] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1701] <... setpgid resumed>)      = 0
[pid  1700] <... futex resumed>)        = 0
[pid  1699] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1698] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1696] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1695] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1700] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1699] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1698] <... openat resumed>)       = 3
[pid  1696] <... futex resumed>)        = 0
[pid  1700] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1699] <... futex resumed>)        = 1
[pid  1698] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1696] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1695] <... futex resumed>)        = 0
[pid  1701] <... openat resumed>)       = 3
[pid  1700] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1699] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1698] <... futex resumed>)        = 0
[pid  1697] <... futex resumed>)        = 0
[pid  1696] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1701] write(3, "1000", 4 <unfinished ...>
[pid  1700] <... futex resumed>)        = 0
[pid  1698] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1697] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1696] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1695] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1701] <... write resumed>)        = 4
[pid  1700] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1699] <... futex resumed>)        = 0
[pid  1698] <... write resumed>)        = 2
[pid  1697] <... futex resumed>)        = 1
[pid  1696] <... futex resumed>)        = 0
[pid  1701] close(3 <unfinished ...>
[pid  1699] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1698] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1697] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1696] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1695] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1701] <... close resumed>)        = 0
[pid  1699] <... openat resumed>)       = 3
[pid  1698] <... futex resumed>)        = 0
[pid  1696] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1701] write(1, "executing program\n", 18 <unfinished ...>
[pid  1699] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1698] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1696] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1695] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1701] <... write resumed>)        = 18
[pid  1699] <... futex resumed>)        = 1
[pid  1698] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1697] <... futex resumed>)        = 0
[pid  1696] <... futex resumed>)        = 0
[pid  1701] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1700] <... futex resumed>)        = 0
[pid  1699] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1698] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1697] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1696] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1695] <... futex resumed>)        = 1
[pid  1701] <... futex resumed>)        = 0
[pid  1700] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1699] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1698] <... openat resumed>)       = 4
[pid  1697] <... futex resumed>)        = 0
[pid  1701] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1700] <... openat resumed>)       = 3
[pid  1699] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1697] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1695] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1701] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1700] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1699] <... write resumed>)        = 2
[pid  1695] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1701] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1700] <... futex resumed>)        = 0
[pid  1699] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1695] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1701] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1700] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1699] <... futex resumed>)        = 1
[pid  1697] <... futex resumed>)        = 0
[pid  1695] <... futex resumed>)        = 0
[pid  1701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1700] <... write resumed>)        = 2
[pid  1699] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1697] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1695] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1701] <... mmap resumed>)         = 0x7fb4de009000
[pid  1700] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1699] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1698] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1697] <... futex resumed>)        = 0
[pid  1695] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1701] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1700] <... futex resumed>)        = 0
[pid  1699] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1698] <... futex resumed>)        = 1
[pid  1697] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1696] <... futex resumed>)        = 0
[pid  1695] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1701] <... mprotect resumed>)     = 0
[pid  1700] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1699] <... openat resumed>)       = 4
[pid  1698] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1696] exit_group(0 <unfinished ...>
[pid  1701] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1700] <... openat resumed>)       = 4
[pid  1699] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1698] <... futex resumed>)        = ?
[pid  1696] <... exit_group resumed>)   = ?
[pid  1695] <... futex resumed>)        = 0
[pid  1701] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1700] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1699] <... futex resumed>)        = 1
[pid  1698] +++ exited with 0 +++
[pid  1697] <... futex resumed>)        = 0
[pid  1696] +++ exited with 0 +++
[pid  1695] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1701] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1700] <... futex resumed>)        = 0
[pid  1699] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1697] exit_group(0 <unfinished ...>
[pid  1695] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 1702 attached
[pid  1700] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1699] <... futex resumed>)        = ?
[pid  1697] <... exit_group resumed>)   = ?
[pid  1695] exit_group(0 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1696, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1702] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1701] <... clone3 resumed> => {parent_tid=[1702]}, 88) = 1702
[pid  1700] <... futex resumed>)        = ?
[pid  1699] +++ exited with 0 +++
[pid  1695] <... exit_group resumed>)   = ?
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1702] <... set_robust_list resumed>) = 0
[pid  1702] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1702] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1697] +++ exited with 0 +++
[pid  1701] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1700] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1697, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1695] +++ exited with 0 +++
[pid  1701] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1701] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1695, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... restart_syscall resumed>) = 0
[pid  1702] <... futex resumed>)        = 0
[pid  1701] <... futex resumed>)        = 1
[pid  1702] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1701] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1702] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1703 attached
[pid  1702] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1702] <... futex resumed>)        = 1
[pid  1703] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1701] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1704 attached
[pid  1703] <... set_robust_list resumed>) = 0
[pid  1701] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1705 attached
 <unfinished ...>
[pid  1704] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1703] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1702] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1701] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1704
[pid  1705] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1704] <... set_robust_list resumed>) = 0
[pid  1703] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1702] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1701] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1703
[pid  1705] <... set_robust_list resumed>) = 0
[pid  1704] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1703] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1705] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1704] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1703] <... prctl resumed>)        = 0
[pid  1702] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1705
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1705] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1704] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1703] setpgid(0, 0 <unfinished ...>
[pid  1702] <... futex resumed>)        = 1
[pid  1701] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1705] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1704] <... prctl resumed>)        = 0
[pid  1703] <... setpgid resumed>)      = 0
[pid  1702] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1701] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1705] <... prctl resumed>)        = 0
[pid  1704] setpgid(0, 0 <unfinished ...>
[pid  1703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1702] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1701] <... futex resumed>)        = 0
[pid  1705] setpgid(0, 0 <unfinished ...>
[pid  1704] <... setpgid resumed>)      = 0
[pid  1705] <... setpgid resumed>)      = 0
[pid  1703] <... openat resumed>)       = 3
[pid  1702] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1701] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1703] write(3, "1000", 4 <unfinished ...>
[pid  1702] <... openat resumed>)       = 3
[pid  1705] <... openat resumed>)       = 3
[pid  1704] <... openat resumed>)       = 3
[pid  1703] <... write resumed>)        = 4
[pid  1702] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1705] write(3, "1000", 4 <unfinished ...>
[pid  1704] write(3, "1000", 4 <unfinished ...>
[pid  1703] close(3 <unfinished ...>
[pid  1702] <... futex resumed>)        = 1
[pid  1701] <... futex resumed>)        = 0
[pid  1703] <... close resumed>)        = 0
[pid  1704] <... write resumed>)        = 4
[pid  1701] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1703] write(1, "executing program\n", 18 <unfinished ...>
[pid  1705] <... write resumed>)        = 4
[pid  1704] close(3 <unfinished ...>
[pid  1701] <... futex resumed>)        = 0
[pid  1705] close(3 <unfinished ...>
[pid  1703] <... write resumed>)        = 18
executing program
[pid  1705] <... close resumed>)        = 0
[pid  1704] <... close resumed>)        = 0
[pid  1702] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1701] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1705] write(1, "executing program\n", 18 <unfinished ...>
[pid  1704] write(1, "executing program\n", 18 <unfinished ...>
[pid  1703] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1702] <... write resumed>)        = 2
[pid  1705] <... write resumed>)        = 18
executing program
executing program
[pid  1704] <... write resumed>)        = 18
[pid  1703] <... futex resumed>)        = 0
[pid  1702] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1705] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1704] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1703] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1702] <... futex resumed>)        = 1
[pid  1701] <... futex resumed>)        = 0
[pid  1705] <... futex resumed>)        = 0
[pid  1704] <... futex resumed>)        = 0
[pid  1703] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1702] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1705] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1704] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1703] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1702] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1701] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1705] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1704] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1703] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1702] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1705] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1704] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1703] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1702] <... openat resumed>)       = 4
[pid  1701] <... futex resumed>)        = 0
[pid  1705] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1704] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1703] <... mmap resumed>)         = 0x7fb4de009000
[pid  1701] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1705] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1704] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1703] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1704] <... mmap resumed>)         = 0x7fb4de009000
[pid  1703] <... mprotect resumed>)     = 0
[pid  1702] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1705] <... mmap resumed>)         = 0x7fb4de009000
[pid  1704] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1703] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1702] <... futex resumed>)        = 1
[pid  1701] <... futex resumed>)        = 0
[pid  1705] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1704] <... mprotect resumed>)     = 0
[pid  1703] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1702] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1705] <... mprotect resumed>)     = 0
[pid  1704] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1703] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1701] exit_group(0 <unfinished ...>
[pid  1705] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1704] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1706 attached
[pid  1705] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1704] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1701] <... exit_group resumed>)   = ?
[pid  1705] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1703] <... clone3 resumed> => {parent_tid=[1706]}, 88) = 1706
[pid  1706] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1703] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1708 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1707 attached
 <unfinished ...>
[pid  1706] <... set_robust_list resumed>) = 0
[pid  1703] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1702] <... futex resumed>)        = ?
[pid  1708] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1707] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1706] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1705] <... clone3 resumed> => {parent_tid=[1707]}, 88) = 1707
[pid  1704] <... clone3 resumed> => {parent_tid=[1708]}, 88) = 1708
[pid  1703] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1702] +++ exited with 0 +++
[pid  1701] +++ exited with 0 +++
[pid  1708] <... set_robust_list resumed>) = 0
[pid  1707] <... set_robust_list resumed>) = 0
[pid  1706] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1705] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1704] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1703] <... futex resumed>)        = 0
[pid  1708] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1707] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1706] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1705] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1708] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1707] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1705] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1704] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1703] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1701, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1708] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1707] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1706] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1705] <... futex resumed>)        = 0
[pid  1704] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1708] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1707] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1706] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1705] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1704] <... futex resumed>)        = 0
[pid  1708] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1707] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1706] <... futex resumed>)        = 1
[pid  1703] <... futex resumed>)        = 0
[pid  1708] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1707] <... futex resumed>)        = 0
[pid  1705] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1704] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1706] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1708] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1707] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1705] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1703] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1706] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1708] <... futex resumed>)        = 1
[pid  1707] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1705] <... futex resumed>)        = 0
[pid  1706] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1704] <... futex resumed>)        = 0
[pid  1703] <... futex resumed>)        = 0
[pid  1708] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1707] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1706] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1705] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1704] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1703] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1708] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1707] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1706] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1704] <... futex resumed>)        = 0
[pid  1703] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1708] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1707] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1706] <... futex resumed>)        = 0
[pid  1704] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1703] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1708] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1707] <... futex resumed>)        = 1
[pid  1706] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1705] <... futex resumed>)        = 0
[pid  1703] <... futex resumed>)        = 0
[pid  1708] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1707] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1706] <... openat resumed>)       = 3
[pid  1705] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1703] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1708] <... futex resumed>)        = 1
[pid  1707] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1706] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1705] <... futex resumed>)        = 0
[pid  1704] <... futex resumed>)        = 0
[pid  1708] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1707] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1706] <... futex resumed>)        = 0
[pid  1705] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1704] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1703] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1708] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1707] <... openat resumed>)       = 3
[pid  1706] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1704] <... futex resumed>)        = 0
[pid  1703] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1708] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1707] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1706] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1704] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1703] <... futex resumed>)        = 0
[pid  1708] <... openat resumed>)       = 3
[pid  1707] <... futex resumed>)        = 1
[pid  1706] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1705] <... futex resumed>)        = 0
[pid  1703] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1708] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1707] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1706] <... write resumed>)        = 2
[pid  1705] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1708] <... futex resumed>)        = 1
[pid  1707] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1706] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1705] <... futex resumed>)        = 0
[pid  1704] <... futex resumed>)        = 0
[pid  1708] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1707] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1706] <... futex resumed>)        = 1
[pid  1705] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1704] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1703] <... futex resumed>)        = 0
[pid  1708] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1707] <... write resumed>)        = 2
[pid  1706] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1704] <... futex resumed>)        = 0
[pid  1703] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1708] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1707] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1706] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1704] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1703] <... futex resumed>)        = 0
[pid  1708] <... write resumed>)        = 2
[pid  1707] <... futex resumed>)        = 1
[pid  1706] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1705] <... futex resumed>)        = 0
[pid  1703] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1708] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1707] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1706] <... openat resumed>)       = 4
[pid  1705] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1708] <... futex resumed>)        = 1
[pid  1707] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1705] <... futex resumed>)        = 0
[pid  1704] <... futex resumed>)        = 0
[pid  1706] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1708] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1707] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1705] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1704] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1708] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1706] <... futex resumed>)        = 1
[pid  1703] <... futex resumed>)        = 0
[pid  1708] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1707] <... openat resumed>)       = 4
[pid  1706] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1704] <... futex resumed>)        = 0
[pid  1703] exit_group(0 <unfinished ...>
[pid  1708] <... openat resumed>)       = 4
[pid  1707] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1706] <... futex resumed>)        = ?
[pid  1704] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1703] <... exit_group resumed>)   = ?
[pid  1708] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1707] <... futex resumed>)        = 1
[pid  1706] +++ exited with 0 +++
[pid  1705] <... futex resumed>)        = 0
[pid  1704] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... restart_syscall resumed>) = 0
[pid  1708] <... futex resumed>)        = 0
[pid  1708] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1703] +++ exited with 0 +++
[pid  1707] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1705] exit_group(0 <unfinished ...>
[pid  1704] exit_group(0 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1703, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1708] <... futex resumed>)        = ?
[pid  1707] <... futex resumed>)        = ?
[pid  1705] <... exit_group resumed>)   = ?
[pid  1704] <... exit_group resumed>)   = ?
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1708] +++ exited with 0 +++
[pid  1707] +++ exited with 0 +++
[pid  1705] +++ exited with 0 +++
[pid  1704] +++ exited with 0 +++
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1705, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1704, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 1709 attached
 <unfinished ...>
[pid  1709] set_robust_list(0x55557716c6a0, 24) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1709
[pid  1709] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1709] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1709] <... prctl resumed>)        = 0
[pid  1709] setpgid(0, 0)               = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1709] write(3, "1000", 4 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1709] <... write resumed>)        = 4
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1709] close(3 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1711 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1712 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1710 attached
 <unfinished ...>
[pid  1709] <... close resumed>)        = 0
[pid  1711] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1712] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1711] <... set_robust_list resumed>) = 0
[pid  1710] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1709] write(1, "executing program\n", 18 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1711
executing program
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1712
[pid  1712] <... set_robust_list resumed>) = 0
[pid  1711] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1710] <... set_robust_list resumed>) = 0
[pid  1709] <... write resumed>)        = 18
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1710
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1711] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1710] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1712] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1711] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1710] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1709] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1712] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1711] <... prctl resumed>)        = 0
[pid  1710] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1709] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1712] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1711] setpgid(0, 0 <unfinished ...>
[pid  1710] <... prctl resumed>)        = 0
[pid  1709] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1712] <... prctl resumed>)        = 0
[pid  1711] <... setpgid resumed>)      = 0
[pid  1710] setpgid(0, 0 <unfinished ...>
[pid  1709] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1712] setpgid(0, 0 <unfinished ...>
[pid  1711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1712] <... setpgid resumed>)      = 0
[pid  1710] <... setpgid resumed>)      = 0
[pid  1709] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1711] <... openat resumed>)       = 3
[pid  1710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1709] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1712] <... openat resumed>)       = 3
[pid  1709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1710] <... openat resumed>)       = 3
[pid  1711] write(3, "1000", 4 <unfinished ...>
[pid  1712] write(3, "1000", 4 <unfinished ...>
[pid  1711] <... write resumed>)        = 4
[pid  1710] write(3, "1000", 4 <unfinished ...>
[pid  1709] <... mmap resumed>)         = 0x7fb4de009000
[pid  1711] close(3 <unfinished ...>
[pid  1710] <... write resumed>)        = 4
[pid  1709] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1711] <... close resumed>)        = 0
[pid  1710] close(3 <unfinished ...>
[pid  1712] <... write resumed>)        = 4
[pid  1711] write(1, "executing program\n", 18 <unfinished ...>
[pid  1710] <... close resumed>)        = 0
[pid  1709] <... mprotect resumed>)     = 0
[pid  1712] close(3 <unfinished ...>
[pid  1711] <... write resumed>)        = 18
[pid  1710] write(1, "executing program\n", 18 <unfinished ...>
[pid  1712] <... close resumed>)        = 0
executing program
executing program
[pid  1709] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
executing program
[pid  1712] write(1, "executing program\n", 18 <unfinished ...>
[pid  1711] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1710] <... write resumed>)        = 18
[pid  1712] <... write resumed>)        = 18
[pid  1709] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1712] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1711] <... futex resumed>)        = 0
[pid  1712] <... futex resumed>)        = 0
[pid  1710] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1709] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1712] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1711] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1710] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1713 attached
[pid  1711] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1710] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1713] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1711] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1709] <... clone3 resumed> => {parent_tid=[1713]}, 88) = 1713
[pid  1710] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1713] <... set_robust_list resumed>) = 0
[pid  1711] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1709] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1710] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1713] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1710] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1709] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1713] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1711] <... mmap resumed>)         = 0x7fb4de009000
[pid  1710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1709] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1713] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1711] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1710] <... mmap resumed>)         = 0x7fb4de009000
[pid  1709] <... futex resumed>)        = 0
[pid  1713] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1711] <... mprotect resumed>)     = 0
[pid  1713] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1710] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1709] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1713] <... futex resumed>)        = 0
[pid  1710] <... mprotect resumed>)     = 0
[pid  1711] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1713] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1711] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1709] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1710] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1709] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1711] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1710] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1713] <... futex resumed>)        = 0
[pid  1709] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 1714 attached
[pid  1713] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1712] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1710] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1709] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1714] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1713] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1712] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1711] <... clone3 resumed> => {parent_tid=[1714]}, 88) = 1714
ci2-android-6-12-rust/strace-static-x86_64: Process 1715 attached
[pid  1714] <... set_robust_list resumed>) = 0
[pid  1713] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1712] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1711] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1715] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1714] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1713] <... futex resumed>)        = 1
[pid  1712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1711] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1710] <... clone3 resumed> => {parent_tid=[1715]}, 88) = 1715
[pid  1709] <... futex resumed>)        = 0
[pid  1715] <... set_robust_list resumed>) = 0
[pid  1714] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1713] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1712] <... mmap resumed>)         = 0x7fb4de009000
[pid  1711] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1710] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1709] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1715] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1714] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1713] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1712] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1711] <... futex resumed>)        = 0
[pid  1715] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1714] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1713] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1712] <... mprotect resumed>)     = 0
[pid  1710] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1709] <... futex resumed>)        = 0
[pid  1715] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1714] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1713] <... openat resumed>)       = 3
[pid  1712] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1711] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1709] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1715] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1714] <... futex resumed>)        = 0
[pid  1713] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1712] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1711] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1710] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1709] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1715] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1714] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1713] <... futex resumed>)        = 0
[pid  1712] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1711] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1710] <... futex resumed>)        = 0
[pid  1709] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1716 attached
 <unfinished ...>
[pid  1715] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1714] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1713] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1711] <... futex resumed>)        = 0
[pid  1710] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1709] <... futex resumed>)        = 0
[pid  1716] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1715] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1714] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1713] <... write resumed>)        = 2
[pid  1712] <... clone3 resumed> => {parent_tid=[1716]}, 88) = 1716
[pid  1711] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1710] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1709] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1716] <... set_robust_list resumed>) = 0
[pid  1715] <... futex resumed>)        = 0
[pid  1714] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1713] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1712] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1710] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1709] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1716] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1715] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1714] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1713] <... futex resumed>)        = 0
[pid  1712] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1710] <... futex resumed>)        = 0
[pid  1709] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1716] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1715] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1714] <... futex resumed>)        = 1
[pid  1713] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1712] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1711] <... futex resumed>)        = 0
[pid  1710] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1709] <... futex resumed>)        = 0
[pid  1716] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1715] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1714] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1712] <... futex resumed>)        = 0
[pid  1711] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1716] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1715] <... futex resumed>)        = 0
[pid  1714] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1713] <... openat resumed>)       = 4
[pid  1712] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1711] <... futex resumed>)        = 0
[pid  1710] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1709] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1716] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1715] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1714] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1713] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1712] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1711] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1710] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1709] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1716] <... futex resumed>)        = 0
[pid  1715] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1714] <... openat resumed>)       = 3
[pid  1713] <... futex resumed>)        = 0
[pid  1712] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1710] <... futex resumed>)        = 0
[pid  1716] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1715] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1714] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1713] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1712] <... futex resumed>)        = 0
[pid  1711] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1710] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1709] exit_group(0 <unfinished ...>
[pid  1716] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1715] <... openat resumed>)       = 3
[pid  1714] <... futex resumed>)        = 0
[pid  1712] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1711] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1716] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1715] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1714] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1713] <... futex resumed>)        = ?
[pid  1712] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1711] <... futex resumed>)        = 0
[pid  1709] <... exit_group resumed>)   = ?
[pid  1716] <... futex resumed>)        = 0
[pid  1715] <... futex resumed>)        = 1
[pid  1714] <... write resumed>)        = 2
[pid  1713] +++ exited with 0 +++
[pid  1712] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1711] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1710] <... futex resumed>)        = 0
[pid  1714] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1712] <... futex resumed>)        = 0
[pid  1711] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1714] <... futex resumed>)        = 0
[pid  1712] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1711] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1716] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1715] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1714] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1711] <... futex resumed>)        = 0
[pid  1710] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1709] +++ exited with 0 +++
[pid  1716] <... openat resumed>)       = 3
[pid  1715] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1714] <... openat resumed>)       = 4
[pid  1711] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1710] <... futex resumed>)        = 0
[pid  1716] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1715] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1714] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1710] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1709, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1716] <... futex resumed>)        = 1
[pid  1715] <... write resumed>)        = 2
[pid  1714] <... futex resumed>)        = 1
[pid  1712] <... futex resumed>)        = 0
[pid  1711] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1716] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1715] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1714] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1712] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1711] exit_group(0 <unfinished ...>
[pid  1715] <... futex resumed>)        = 1
[pid  1716] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1712] <... futex resumed>)        = 0
[pid  1710] <... futex resumed>)        = 0
[pid  1716] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1715] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1712] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1710] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1716] <... write resumed>)        = 2
[pid  1715] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1710] <... futex resumed>)        = 0
[pid  1716] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1715] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1716] <... futex resumed>)        = 1
[pid  1712] <... futex resumed>)        = 0
[pid  1710] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1716] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1715] <... openat resumed>)       = 4
[pid  1714] <... futex resumed>)        = ?
[pid  1712] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1711] <... exit_group resumed>)   = ?
[pid  1716] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1715] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1712] <... futex resumed>)        = 0
[pid  1716] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1715] <... futex resumed>)        = 1
[pid  1710] <... futex resumed>)        = 0
[pid  1712] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1716] <... openat resumed>)       = 4
[pid  1715] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1714] +++ exited with 0 +++
[pid  1711] +++ exited with 0 +++
[pid  1710] exit_group(0 <unfinished ...>
[pid  1716] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1715] <... futex resumed>)        = ?
[pid  1710] <... exit_group resumed>)   = ?
[pid  1716] <... futex resumed>)        = 1
[pid  1712] <... futex resumed>)        = 0
[pid  1715] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1711, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid  1710] +++ exited with 0 +++
[pid  1716] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1712] exit_group(0 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1710, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1716] <... futex resumed>)        = ?
[pid  1712] <... exit_group resumed>)   = ?
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1716] +++ exited with 0 +++
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1712] +++ exited with 0 +++
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1712, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 1717 attached
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1717] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1717] <... set_robust_list resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1718 attached
[pid  1718] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1717] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1718] <... set_robust_list resumed>) = 0
[pid  1717] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1718] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1717] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1717
[pid  1718] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1717] <... prctl resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1718
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1718] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1717] setpgid(0, 0 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1718] <... prctl resumed>)        = 0
[pid  1717] <... setpgid resumed>)      = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  1718] setpgid(0, 0 <unfinished ...>
[pid  1717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1718] <... setpgid resumed>)      = 0
[pid  1717] <... openat resumed>)       = 3
[pid  1718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1717] write(3, "1000", 4 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1718] <... openat resumed>)       = 3
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1718] write(3, "1000", 4 <unfinished ...>
[pid  1717] <... write resumed>)        = 4
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1719 attached
 <unfinished ...>
[pid  1718] <... write resumed>)        = 4
[pid  1717] close(3 <unfinished ...>
[pid  1719] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1718] close(3 <unfinished ...>
[pid  1717] <... close resumed>)        = 0
[pid  1719] <... set_robust_list resumed>) = 0
[pid  1718] <... close resumed>)        = 0
[pid  1717] write(1, "executing program\n", 18 <unfinished ...>
[pid  1719] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1718] write(1, "executing program\n", 18 <unfinished ...>
[pid  1717] <... write resumed>)        = 18
executing program
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1719
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1719] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1719] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1718] <... write resumed>)        = 18
executing program
[pid  1717] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1718] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1717] <... futex resumed>)        = 0
[pid  1718] <... futex resumed>)        = 0
[pid  1717] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1718] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1717] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1719] setpgid(0, 0)               = 0
[pid  1719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1718] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1717] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1719] <... openat resumed>)       = 3
[pid  1719] write(3, "1000", 4 <unfinished ...>
[pid  1718] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1717] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1718] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1719] <... write resumed>)        = 4
[pid  1719] close(3)                    = 0
[pid  1718] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1717] <... mmap resumed>)         = 0x7fb4de009000
[pid  1719] write(1, "executing program\n", 18 <unfinished ...>
[pid  1717] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1719] <... write resumed>)        = 18
[pid  1719] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1718] <... mmap resumed>)         = 0x7fb4de009000
[pid  1717] <... mprotect resumed>)     = 0
[pid  1719] <... futex resumed>)        = 0
[pid  1719] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
executing program
[pid  1719] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1718] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1717] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1719] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1718] <... mprotect resumed>)     = 0
[pid  1719] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1719] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1717] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1718] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1717] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1718] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1720 attached
[pid  1719] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1718] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1720] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1719] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1721 attached
[pid  1720] <... set_robust_list resumed>) = 0
[pid  1719] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1717] <... clone3 resumed> => {parent_tid=[1720]}, 88) = 1720
[pid   312] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1722 attached
[pid  1721] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1720] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1718] <... clone3 resumed> => {parent_tid=[1721]}, 88) = 1721
[pid  1717] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1721] <... set_robust_list resumed>) = 0
[pid  1720] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1719] <... clone3 resumed> => {parent_tid=[1722]}, 88) = 1722
[pid  1718] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1717] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1722] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  1721] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1720] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1719] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1718] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1717] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1722] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1721] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1718] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1717] <... futex resumed>)        = 0
[pid  1722] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1717] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1721] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1718] <... futex resumed>)        = 0
[pid  1722] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1721] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1720] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1719] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1720] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1719] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1718] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1722] <... futex resumed>)        = 0
[pid  1721] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1720] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1719] <... futex resumed>)        = 1
[pid  1718] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 1723 attached
[pid  1722] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1721] <... futex resumed>)        = 0
[pid  1720] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1719] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1718] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1721] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1720] <... futex resumed>)        = 1
[pid  1720] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1722] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1721] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1723] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1717] <... futex resumed>)        = 0
[pid  1718] <... futex resumed>)        = 0
[pid  1722] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1719] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1723
[pid  1723] <... set_robust_list resumed>) = 0
[pid  1722] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1721] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1719] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1718] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1717] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1723] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1722] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1721] <... futex resumed>)        = 0
[pid  1720] <... futex resumed>)        = 0
[pid  1719] <... futex resumed>)        = 0
[pid  1718] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1717] <... futex resumed>)        = 1
[pid  1723] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1722] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1721] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1720] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1719] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1718] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1717] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1723] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1722] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1721] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1720] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1718] <... futex resumed>)        = 0
[pid  1723] <... prctl resumed>)        = 0
[pid  1722] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1721] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1720] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1718] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1723] setpgid(0, 0 <unfinished ...>
[pid  1722] <... futex resumed>)        = 1
[pid  1721] <... openat resumed>)       = 3
[pid  1720] <... futex resumed>)        = 1
[pid  1719] <... futex resumed>)        = 0
[pid  1717] <... futex resumed>)        = 0
[pid  1723] <... setpgid resumed>)      = 0
[pid  1722] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1721] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1720] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1719] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1717] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1722] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1721] <... futex resumed>)        = 1
[pid  1720] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1719] <... futex resumed>)        = 0
[pid  1718] <... futex resumed>)        = 0
[pid  1722] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1720] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1719] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1722] <... openat resumed>)       = 3
[pid  1720] <... openat resumed>)       = 3
[pid  1722] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1720] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1719] <... futex resumed>)        = 0
[pid  1722] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1720] <... futex resumed>)        = 0
[pid  1719] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1722] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1720] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1719] <... futex resumed>)        = 0
[pid  1722] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1719] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1722] <... write resumed>)        = 2
[pid  1722] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1719] <... futex resumed>)        = 0
[pid  1722] <... futex resumed>)        = 1
[pid  1719] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1722] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1719] <... futex resumed>)        = 0
[pid  1722] <... openat resumed>)       = 4
[pid  1719] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1722] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1719] <... futex resumed>)        = 0
[pid  1722] <... futex resumed>)        = 1
[pid  1719] exit_group(0 <unfinished ...>
[pid  1722] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1720] <... futex resumed>)        = 0
[pid  1718] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1717] <... futex resumed>)        = 1
[pid  1722] <... futex resumed>)        = ?
[pid  1720] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1719] <... exit_group resumed>)   = ?
[pid  1717] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1722] +++ exited with 0 +++
[pid  1721] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1719] +++ exited with 0 +++
[pid  1718] <... futex resumed>)        = 0
[pid  1717] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1721] <... write resumed>)        = 2
[pid  1718] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1717] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1721] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1719, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1721] <... futex resumed>)        = 0
[pid  1720] <... futex resumed>)        = 0
[pid  1718] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1721] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1717] <... futex resumed>)        = 1
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1721] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1720] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1718] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1717] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1721] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1720] <... write resumed>)        = 2
[pid  1718] <... futex resumed>)        = 0
[pid  1720] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1717] <... futex resumed>)        = 0
[pid  1720] <... futex resumed>)        = 1
[pid  1717] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1721] <... openat resumed>)       = 4
[pid  1720] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1718] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1717] <... futex resumed>)        = 0
[pid  1721] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1723] <... openat resumed>)       = 3
[pid  1720] <... openat resumed>)       = 4
[pid  1718] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1717] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1723] write(3, "1000", 4 <unfinished ...>
[pid  1721] <... futex resumed>)        = 0
[pid  1720] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1723] <... write resumed>)        = 4
[pid  1721] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1718] exit_group(0 <unfinished ...>
[pid  1717] <... futex resumed>)        = 0
[pid  1723] close(3 <unfinished ...>
[pid  1721] <... futex resumed>)        = ?
[pid  1720] <... futex resumed>)        = 1
[pid  1718] <... exit_group resumed>)   = ?
[pid  1717] exit_group(0 <unfinished ...>
[pid  1721] +++ exited with 0 +++
[pid  1717] <... exit_group resumed>)   = ?
[pid  1720] +++ exited with 0 +++
[pid  1723] <... close resumed>)        = 0
[pid  1718] +++ exited with 0 +++
[pid  1717] +++ exited with 0 +++
[pid  1723] write(1, "executing program\n", 18 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1718, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1717, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
executing program
[pid  1723] <... write resumed>)        = 18
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1723] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1723] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1723] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1723] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1723] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1723] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1724 attached
 => {parent_tid=[1724]}, 88) = 1724
[pid  1724] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1723] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1724] <... set_robust_list resumed>) = 0
[pid  1723] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1723] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1723] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1724] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1724] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  1724] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1724] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1723] <... futex resumed>)        = 0
[pid  1723] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1724] <... futex resumed>)        = 0
[pid  1723] <... futex resumed>)        = 1
[pid  1724] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1723] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1724] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1724] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1724] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1723] <... futex resumed>)        = 0
[pid  1724] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1723] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1724] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  1723] <... futex resumed>)        = 0
[pid  1723] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1724] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1723] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1724] <... futex resumed>)        = 0
[pid  1723] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1724] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1723] <... futex resumed>)        = 0
[pid  1724] <... write resumed>)        = 2
[pid  1723] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1724] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1723] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1724] <... futex resumed>)        = 0
[pid  1723] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1724] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1723] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1724] <... openat resumed>)       = 4
[pid  1723] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1724] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1725 attached
 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1724] <... futex resumed>)        = 1
[pid  1723] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1725] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1724] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1723] exit_group(0 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1726 attached
 <unfinished ...>
[pid  1725] <... set_robust_list resumed>) = 0
[pid  1724] <... futex resumed>)        = ?
[pid  1723] <... exit_group resumed>)   = ?
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1725
[pid  1726] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1725] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1724] +++ exited with 0 +++
[pid  1723] +++ exited with 0 +++
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1726
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1727 attached
 <unfinished ...>
[pid  1726] <... set_robust_list resumed>) = 0
[pid  1725] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1723, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1726] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1725] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1726] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1725] <... prctl resumed>)        = 0
[pid  1725] setpgid(0, 0 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1727
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1727] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1726] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1725] <... setpgid resumed>)      = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1727] <... set_robust_list resumed>) = 0
[pid  1726] <... prctl resumed>)        = 0
[pid  1725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1727] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1726] setpgid(0, 0)               = 0
[pid  1727] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1725] <... openat resumed>)       = 3
[pid  1726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1726] write(3, "1000", 4)         = 4
[pid  1727] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1725] write(3, "1000", 4 <unfinished ...>
[pid  1727] <... prctl resumed>)        = 0
[pid  1725] <... write resumed>)        = 4
[pid  1727] setpgid(0, 0 <unfinished ...>
[pid  1726] close(3)                    = 0
[pid  1725] close(3 <unfinished ...>
[pid  1727] <... setpgid resumed>)      = 0
[pid  1726] write(1, "executing program\n", 18) = 18
[pid  1725] <... close resumed>)        = 0
[pid  1727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
executing program
[pid  1726] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1725] write(1, "executing program\n", 18 <unfinished ...>
[pid  1726] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1726] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1726] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1726] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1727] <... openat resumed>)       = 3
[pid  1725] <... write resumed>)        = 18
[pid  1726] <... mprotect resumed>)     = 0
executing program
[pid  1727] write(3, "1000", 4 <unfinished ...>
[pid  1726] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1725] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1727] <... write resumed>)        = 4
[pid  1725] <... futex resumed>)        = 0
[pid  1727] close(3 <unfinished ...>
[pid  1725] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1727] <... close resumed>)        = 0
[pid  1725] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1727] write(1, "executing program\n", 18 <unfinished ...>
[pid  1725] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1727] <... write resumed>)        = 18
[pid  1725] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1726] <... rt_sigprocmask resumed>, [], 8) = 0
executing program
[pid  1726] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1725] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1727] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1726] <... clone3 resumed> => {parent_tid=[1728]}, 88) = 1728
ci2-android-6-12-rust/strace-static-x86_64: Process 1728 attached
[pid  1727] <... futex resumed>)        = 0
[pid  1726] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1725] <... mmap resumed>)         = 0x7fb4de009000
[pid  1727] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1726] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1725] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1726] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1726] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1728] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1727] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1728] <... set_robust_list resumed>) = 0
[pid  1728] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1725] <... mprotect resumed>)     = 0
[pid  1727] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1728] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1727] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1728] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1725] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1728] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1725] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1728] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1726] <... futex resumed>)        = 0
[pid  1728] <... futex resumed>)        = 1
[pid  1727] <... mmap resumed>)         = 0x7fb4de009000
[pid  1726] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1725] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1728] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1727] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1726] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1729 attached
[pid  1728] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1726] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1728] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1726] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1728] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1726] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1728] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1728] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1726] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1728] <... openat resumed>)       = 3
[pid  1726] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1729] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1727] <... mprotect resumed>)     = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1730 attached
[pid  1729] <... set_robust_list resumed>) = 0
[pid  1725] <... clone3 resumed> => {parent_tid=[1729]}, 88) = 1729
[pid  1729] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1727] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1730] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1729] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1727] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1725] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1729] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1727] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1725] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1730] <... set_robust_list resumed>) = 0
[pid  1725] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1731 attached
 <unfinished ...>
[pid  1728] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1725] <... futex resumed>)        = 1
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1730
[pid  1731] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1730] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1729] <... futex resumed>)        = 0
[pid  1728] <... futex resumed>)        = 1
[pid  1726] <... futex resumed>)        = 0
[pid  1725] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1731] <... set_robust_list resumed>) = 0
[pid  1729] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1728] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1727] <... clone3 resumed> => {parent_tid=[1731]}, 88) = 1731
[pid  1726] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1731] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1728] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1726] <... futex resumed>)        = 0
[pid  1731] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1729] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1728] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1727] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1726] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1730] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1731] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1729] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1728] <... write resumed>)        = 2
[pid  1727] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1730] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1729] <... futex resumed>)        = 1
[pid  1728] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1727] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1725] <... futex resumed>)        = 0
[pid  1730] <... prctl resumed>)        = 0
[pid  1729] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1731] <... futex resumed>)        = 0
[pid  1728] <... futex resumed>)        = 1
[pid  1727] <... futex resumed>)        = 1
[pid  1726] <... futex resumed>)        = 0
[pid  1725] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1731] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1730] setpgid(0, 0 <unfinished ...>
[pid  1729] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1728] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1727] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1726] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1725] <... futex resumed>)        = 0
[pid  1731] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1730] <... setpgid resumed>)      = 0
[pid  1729] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1728] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1726] <... futex resumed>)        = 0
[pid  1725] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1731] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1729] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1728] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1726] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1731] <... futex resumed>)        = 1
[pid  1730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1729] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1728] <... openat resumed>)       = 4
[pid  1727] <... futex resumed>)        = 0
[pid  1731] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1729] <... futex resumed>)        = 1
[pid  1728] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1725] <... futex resumed>)        = 0
[pid  1729] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1728] <... futex resumed>)        = 1
[pid  1726] <... futex resumed>)        = 0
[pid  1725] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1727] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1729] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1728] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1726] exit_group(0 <unfinished ...>
[pid  1725] <... futex resumed>)        = 0
[pid  1731] <... futex resumed>)        = 0
[pid  1730] <... openat resumed>)       = 3
[pid  1729] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1728] <... futex resumed>)        = ?
[pid  1727] <... futex resumed>)        = 1
[pid  1726] <... exit_group resumed>)   = ?
[pid  1725] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1731] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1730] write(3, "1000", 4 <unfinished ...>
[pid  1729] <... openat resumed>)       = 3
[pid  1728] +++ exited with 0 +++
[pid  1727] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1726] +++ exited with 0 +++
[pid  1731] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1730] <... write resumed>)        = 4
[pid  1729] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1726, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1731] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1725] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1731] <... futex resumed>)        = 1
[pid  1730] close(3 <unfinished ...>
[pid  1729] <... futex resumed>)        = 1
[pid  1727] <... futex resumed>)        = 0
[pid  1725] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1731] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1730] <... close resumed>)        = 0
[pid  1727] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1731] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1730] write(1, "executing program\n", 18 <unfinished ...>
[pid  1727] <... futex resumed>)        = 0
[pid  1725] <... futex resumed>)        = 0
executing program
[pid  1731] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1730] <... write resumed>)        = 18
[pid  1727] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1725] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1731] <... openat resumed>)       = 3
[pid  1729] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1731] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1730] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1729] <... write resumed>)        = 2
[pid  1730] <... futex resumed>)        = 0
[pid  1731] <... futex resumed>)        = 1
[pid  1727] <... futex resumed>)        = 0
[pid  1731] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1730] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1729] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1727] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1731] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1730] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1729] <... futex resumed>)        = 1
[pid  1727] <... futex resumed>)        = 0
[pid  1725] <... futex resumed>)        = 0
[pid  1731] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1730] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1729] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1727] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1725] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1731] <... write resumed>)        = 2
[pid  1730] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1729] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1725] <... futex resumed>)        = 0
[pid  1731] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1729] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1725] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1731] <... futex resumed>)        = 1
[pid  1727] <... futex resumed>)        = 0
[pid  1731] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1727] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1731] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1727] <... futex resumed>)        = 0
[pid  1729] <... openat resumed>)       = 4
[pid  1731] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1730] <... mmap resumed>)         = 0x7fb4de009000
[pid  1731] <... openat resumed>)       = 4
[pid  1727] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1731] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1727] <... futex resumed>)        = 0
[pid  1731] <... futex resumed>)        = 1
[pid  1727] exit_group(0 <unfinished ...>
[pid  1731] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid  1731] +++ exited with 0 +++
[pid  1727] <... exit_group resumed>)   = ?
[pid  1730] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1729] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1730] <... mprotect resumed>)     = 0
[pid  1729] <... futex resumed>)        = 1
[pid  1725] <... futex resumed>)        = 0
[pid  1725] exit_group(0 <unfinished ...>
[pid  1729] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1730] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1725] <... exit_group resumed>)   = ?
[pid  1730] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1729] <... futex resumed>)        = ?
[pid  1727] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1727, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1730] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1729] +++ exited with 0 +++
[pid  1725] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1725, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1730] <... clone3 resumed> => {parent_tid=[1732]}, 88) = 1732
[pid  1730] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1730] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1730] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1732 attached
 <unfinished ...>
[pid  1732] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  1732] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1732] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  1732] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1730] <... futex resumed>)        = 0
[pid  1732] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1730] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1732] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1730] <... futex resumed>)        = 0
[pid  1732] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1730] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1732] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1732] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1730] <... futex resumed>)        = 0
[pid  1732] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1730] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1732] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1730] <... futex resumed>)        = 0
[pid  1732] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1730] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1732] <... openat resumed>)       = 3
[pid  1732] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1732] <... futex resumed>)        = 1
[pid  1730] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1732] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1730] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1733 attached
[pid  1732] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1730] <... futex resumed>)        = 0
[pid  1730] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1733] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1732] write(3, "\x38\x00", 2 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1734 attached
[pid  1733] <... set_robust_list resumed>) = 0
[pid  1732] <... write resumed>)        = 2
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1733
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1734] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1733] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1732] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 1735 attached
[pid  1733] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1734] <... set_robust_list resumed>) = 0
[pid  1735] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1733] <... prctl resumed>)        = 0
[pid  1732] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1734] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1730] <... futex resumed>)        = 0
[pid  1730] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1734
[pid  1732] <... futex resumed>)        = 0
[pid  1730] <... futex resumed>)        = 1
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1732] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1730] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1735
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1735] <... set_robust_list resumed>) = 0
[pid  1734] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1733] setpgid(0, 0 <unfinished ...>
[pid  1732] <... openat resumed>)       = 4
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1735] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1732] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1735] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1734] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1733] <... setpgid resumed>)      = 0
[pid  1732] <... futex resumed>)        = 1
[pid  1730] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1735] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1734] <... prctl resumed>)        = 0
[pid  1733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1732] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1730] exit_group(0 <unfinished ...>
[pid  1735] <... prctl resumed>)        = 0
[pid  1734] setpgid(0, 0 <unfinished ...>
[pid  1732] <... futex resumed>)        = ?
[pid  1730] <... exit_group resumed>)   = ?
[pid  1735] setpgid(0, 0 <unfinished ...>
[pid  1734] <... setpgid resumed>)      = 0
[pid  1733] <... openat resumed>)       = 3
[pid  1732] +++ exited with 0 +++
[pid  1730] +++ exited with 0 +++
[pid  1735] <... setpgid resumed>)      = 0
[pid  1734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1730, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1733] write(3, "1000", 4)         = 4
[pid  1733] close(3)                    = 0
[pid  1733] write(1, "executing program\n", 18) = 18
[pid  1733] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1733] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1734] <... openat resumed>)       = 3
[pid  1733] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
executing program
[pid  1735] <... openat resumed>)       = 3
[pid  1734] write(3, "1000", 4 <unfinished ...>
[pid  1735] write(3, "1000", 4 <unfinished ...>
[pid  1734] <... write resumed>)        = 4
[pid  1735] <... write resumed>)        = 4
[pid  1734] close(3 <unfinished ...>
[pid  1735] close(3 <unfinished ...>
[pid  1734] <... close resumed>)        = 0
[pid  1735] <... close resumed>)        = 0
[pid  1734] write(1, "executing program\n", 18 <unfinished ...>
[pid  1735] write(1, "executing program\n", 18 <unfinished ...>
[pid  1734] <... write resumed>)        = 18
[pid  1734] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1734] <... futex resumed>)        = 0
[pid  1733] <... mmap resumed>)         = 0x7fb4de009000
[pid  1735] <... write resumed>)        = 18
[pid  1734] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
executing program
[pid  1733] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1735] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1734] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1733] <... mprotect resumed>)     = 0
[pid  1735] <... futex resumed>)        = 0
[pid  1734] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1733] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1734] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1733] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1735] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1734] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1733] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1736 attached
 <unfinished ...>
[pid  1734] <... mmap resumed>)         = 0x7fb4de009000
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1736] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1733] <... clone3 resumed> => {parent_tid=[1736]}, 88) = 1736
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1736] <... set_robust_list resumed>) = 0
[pid  1733] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1736] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1735] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1734] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1733] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1737 attached
[pid  1736] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1735] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1733] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1737] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1735] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1734] <... mprotect resumed>)     = 0
[pid  1736] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1737] <... set_robust_list resumed>) = 0
[pid  1735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1734] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1736] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1735] <... mmap resumed>)         = 0x7fb4de009000
[pid  1737] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1734] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1733] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1737
[pid  1737] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1736] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1735] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1734] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1733] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1736] <... futex resumed>)        = 0
[pid  1735] <... mprotect resumed>)     = 0
[pid  1733] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 1738 attached
[pid  1736] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1733] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1738] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1737] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1736] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1733] <... futex resumed>)        = 0
[pid  1738] <... set_robust_list resumed>) = 0
[pid  1733] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1735] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1738] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1737] <... prctl resumed>)        = 0
[pid  1736] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1734] <... clone3 resumed> => {parent_tid=[1738]}, 88) = 1738
[pid  1733] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1738] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1737] setpgid(0, 0 <unfinished ...>
[pid  1736] <... futex resumed>)        = 0
[pid  1735] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1733] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1738] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1737] <... setpgid resumed>)      = 0
[pid  1736] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1735] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1734] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1733] <... futex resumed>)        = 0
[pid  1736] <... openat resumed>)       = 3
[pid  1733] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1736] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1734] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1734] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1739 attached
 <unfinished ...>
[pid  1736] <... futex resumed>)        = 1
[pid  1733] <... futex resumed>)        = 0
[pid  1739] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1738] <... futex resumed>)        = 0
[pid  1736] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1734] <... futex resumed>)        = 1
[pid  1737] <... openat resumed>)       = 3
[pid  1733] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1739] <... set_robust_list resumed>) = 0
[pid  1738] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1736] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1735] <... clone3 resumed> => {parent_tid=[1739]}, 88) = 1739
[pid  1733] <... futex resumed>)        = 0
[pid  1739] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1738] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1737] write(3, "1000", 4 <unfinished ...>
[pid  1736] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1735] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1734] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1733] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1739] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1738] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1736] <... write resumed>)        = 2
[pid  1735] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1734] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1739] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1738] <... futex resumed>)        = 0
[pid  1736] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1738] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1736] <... futex resumed>)        = 1
[pid  1733] <... futex resumed>)        = 0
[pid  1736] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1733] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1736] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1733] <... futex resumed>)        = 0
[pid  1736] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1733] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1736] <... openat resumed>)       = 4
[pid  1736] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1733] <... futex resumed>)        = 0
[pid  1736] <... futex resumed>)        = 1
[pid  1733] exit_group(0 <unfinished ...>
[pid  1736] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid  1733] <... exit_group resumed>)   = ?
[pid  1737] <... write resumed>)        = 4
[pid  1736] +++ exited with 0 +++
[pid  1735] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1734] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1733] +++ exited with 0 +++
[pid  1739] <... futex resumed>)        = 0
[pid  1738] <... futex resumed>)        = 0
[pid  1737] close(3 <unfinished ...>
[pid  1735] <... futex resumed>)        = 1
[pid  1734] <... futex resumed>)        = 1
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1733, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1739] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1738] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1737] <... close resumed>)        = 0
[pid  1735] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1734] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1739] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1738] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1737] write(1, "executing program\n", 18 <unfinished ...>
[pid  1739] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1738] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1739] <... futex resumed>)        = 1
[pid  1738] <... futex resumed>)        = 1
[pid  1737] <... write resumed>)        = 18
[pid  1735] <... futex resumed>)        = 0
[pid  1734] <... futex resumed>)        = 0
[pid  1739] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1735] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1734] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1737] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1735] <... futex resumed>)        = 0
[pid  1734] <... futex resumed>)        = 0
[pid  1739] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1738] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1739] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1738] <... openat resumed>)       = 3
[pid  1737] <... futex resumed>)        = 0
[pid  1735] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1734] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1739] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1738] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1737] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1734] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1739] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1738] <... futex resumed>)        = 0
[pid  1737] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1734] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1739] <... futex resumed>)        = 1
[pid  1738] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1735] <... futex resumed>)        = 0
[pid  1739] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1738] <... write resumed>)        = 2
[pid  1737] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1735] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1734] <... futex resumed>)        = 0
[pid  1739] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1738] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1739] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1738] <... futex resumed>)        = 0
[pid  1735] <... futex resumed>)        = 0
[pid  1734] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1737] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1739] <... openat resumed>)       = 3
[pid  1738] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1735] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1734] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1739] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1739] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1735] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1734] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1737] <... mmap resumed>)         = 0x7fb4de009000
[pid  1735] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1738] <... futex resumed>)        = 0
[pid  1734] <... futex resumed>)        = 1
[pid  1739] <... futex resumed>)        = 0
[pid  1738] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1737] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1735] <... futex resumed>)        = 1
[pid  1734] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1739] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1738] <... openat resumed>)       = 4
[pid  1735] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1739] <... write resumed>)        = 2
[pid  1737] <... mprotect resumed>)     = 0
[pid  1739] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1739] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1738] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1737] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1735] <... futex resumed>)        = 0
[pid  1734] <... futex resumed>)        = 0
[pid  1738] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1737] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1735] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1734] exit_group(0 <unfinished ...>
[pid  1739] <... futex resumed>)        = 0
[pid  1735] <... futex resumed>)        = 1
[pid  1739] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1738] <... futex resumed>)        = ?
[pid  1737] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1734] <... exit_group resumed>)   = ?
[pid  1739] <... openat resumed>)       = 4
[pid  1738] +++ exited with 0 +++
[pid  1735] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1739] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1739] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 1740 attached
 <unfinished ...>
[pid  1734] +++ exited with 0 +++
[pid  1735] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1740] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1737] <... clone3 resumed> => {parent_tid=[1740]}, 88) = 1740
[pid  1735] exit_group(0 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1734, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1740] <... set_robust_list resumed>) = 0
[pid  1739] <... futex resumed>)        = ?
[pid  1740] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1735] <... exit_group resumed>)   = ?
[pid  1740] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1739] +++ exited with 0 +++
[pid  1737] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1737] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1737] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1737] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1740] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1735] +++ exited with 0 +++
[pid  1740] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1735, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1740] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1737] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1740] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1737] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1740] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1737] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1740] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1737] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1740] <... futex resumed>)        = 0
[pid  1740] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1737] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1740] <... openat resumed>)       = 3
[pid  1737] <... futex resumed>)        = 0
[pid  1740] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1740] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1737] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1737] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1737] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1740] <... futex resumed>)        = 0
[pid  1737] <... futex resumed>)        = 1
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1737] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1742 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1741 attached
[pid  1740] write(3, "\x38\x00", 2)     = 2
[pid  1741] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1740] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1741] <... set_robust_list resumed>) = 0
[pid  1740] <... futex resumed>)        = 1
[pid  1741] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1740] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1737] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1741
[pid  1741] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1742] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1737] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1741] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1742] <... set_robust_list resumed>) = 0
[pid  1740] <... futex resumed>)        = 0
[pid  1737] <... futex resumed>)        = 1
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1742
[pid  1741] <... prctl resumed>)        = 0
[pid  1740] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1741] setpgid(0, 0 <unfinished ...>
[pid  1742] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1740] <... openat resumed>)       = 4
[pid  1737] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1741] <... setpgid resumed>)      = 0
[pid  1742] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1740] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1737] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1740] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1737] exit_group(0 <unfinished ...>
[pid  1741] <... openat resumed>)       = 3
[pid  1740] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1741] write(3, "1000", 4)         = 4
[pid  1741] close(3 <unfinished ...>
[pid  1742] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1737] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 1743 attached
[pid  1741] <... close resumed>)        = 0
[pid  1740] <... futex resumed>)        = ?
[pid  1743] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1741] write(1, "executing program\n", 18 <unfinished ...>
[pid  1742] <... prctl resumed>)        = 0
[pid  1740] +++ exited with 0 +++
[pid  1737] +++ exited with 0 +++
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1743
[pid  1742] setpgid(0, 0)               = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1737, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1743] <... set_robust_list resumed>) = 0
[pid  1741] <... write resumed>)        = 18
[pid  1742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1743] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1741] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
executing program
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1743] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1741] <... futex resumed>)        = 0
[pid  1742] <... openat resumed>)       = 3
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1743] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1741] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1742] write(3, "1000", 4 <unfinished ...>
[pid  1743] <... prctl resumed>)        = 0
[pid  1741] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1743] setpgid(0, 0 <unfinished ...>
[pid  1741] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1743] <... setpgid resumed>)      = 0
[pid  1741] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1742] <... write resumed>)        = 4
[pid  1743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1743] <... openat resumed>)       = 3
[pid  1741] <... mmap resumed>)         = 0x7fb4de009000
[pid  1742] close(3 <unfinished ...>
[pid  1741] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1742] <... close resumed>)        = 0
[pid  1743] write(3, "1000", 4 <unfinished ...>
[pid  1741] <... mprotect resumed>)     = 0
[pid  1743] <... write resumed>)        = 4
[pid  1742] write(1, "executing program\n", 18 <unfinished ...>
[pid  1743] close(3 <unfinished ...>
[pid  1741] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1742] <... write resumed>)        = 18
executing program
[pid  1743] <... close resumed>)        = 0
[pid  1743] write(1, "executing program\n", 18 <unfinished ...>
[pid  1742] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1743] <... write resumed>)        = 18
executing program
[pid  1741] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1743] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1741] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1742] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1744 attached
[pid  1743] <... futex resumed>)        = 0
[pid  1743] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1742] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1744] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1742] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1744] <... set_robust_list resumed>) = 0
[pid  1742] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1744] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1742] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1743] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1741] <... clone3 resumed> => {parent_tid=[1744]}, 88) = 1744
[pid  1742] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1744] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1743] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1741] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1744] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1743] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1741] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1742] <... mmap resumed>)         = 0x7fb4de009000
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1743] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1741] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1742] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1743] <... mmap resumed>)         = 0x7fb4de009000
[pid  1741] <... futex resumed>)        = 1
[pid  1744] <... futex resumed>)        = 0
[pid  1743] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1741] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1742] <... mprotect resumed>)     = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1744] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1743] <... mprotect resumed>)     = 0
[pid  1743] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1742] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1743] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1743] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1745 attached
 <unfinished ...>
[pid  1744] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1742] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1744] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1742] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1746 attached
 <unfinished ...>
[pid  1745] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1746] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1745] <... set_robust_list resumed>) = 0
[pid  1746] <... set_robust_list resumed>) = 0
[pid  1745] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1743] <... clone3 resumed> => {parent_tid=[1746]}, 88) = 1746
[pid  1746] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1745] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1743] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1747 attached
 <unfinished ...>
[pid  1746] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1745] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1744] <... futex resumed>)        = 1
[pid  1743] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1741] <... futex resumed>)        = 0
[pid  1742] <... clone3 resumed> => {parent_tid=[1747]}, 88) = 1747
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1745
[pid  1747] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1744] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1743] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1741] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1742] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1747] <... set_robust_list resumed>) = 0
[pid  1746] <... futex resumed>)        = 0
[pid  1745] <... prctl resumed>)        = 0
[pid  1744] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1743] <... futex resumed>)        = 1
[pid  1741] <... futex resumed>)        = 0
[pid  1742] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1747] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1746] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1745] setpgid(0, 0 <unfinished ...>
[pid  1743] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1741] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1742] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1747] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1746] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1745] <... setpgid resumed>)      = 0
[pid  1744] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1741] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1742] <... futex resumed>)        = 0
[pid  1747] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1746] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1744] <... futex resumed>)        = 0
[pid  1741] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1742] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1747] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1747] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1746] <... futex resumed>)        = 1
[pid  1745] <... openat resumed>)       = 3
[pid  1744] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1743] <... futex resumed>)        = 0
[pid  1741] <... futex resumed>)        = 0
[pid  1747] <... futex resumed>)        = 1
[pid  1746] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1745] write(3, "1000", 4 <unfinished ...>
[pid  1744] <... openat resumed>)       = 3
[pid  1743] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1741] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1742] <... futex resumed>)        = 0
[pid  1747] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1746] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1745] <... write resumed>)        = 4
[pid  1744] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1743] <... futex resumed>)        = 0
[pid  1741] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1742] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1747] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1746] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1745] close(3 <unfinished ...>
[pid  1744] <... futex resumed>)        = 0
[pid  1743] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1741] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1742] <... futex resumed>)        = 0
[pid  1747] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1746] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1745] <... close resumed>)        = 0
[pid  1744] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1741] <... futex resumed>)        = 0
[pid  1742] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1747] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1744] <... write resumed>)        = 2
[pid  1747] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1746] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1745] write(1, "executing program\n", 18 <unfinished ...>
[pid  1744] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1741] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1747] <... futex resumed>)        = 1
[pid  1746] <... futex resumed>)        = 1
[pid  1745] <... write resumed>)        = 18
[pid  1744] <... futex resumed>)        = 0
[pid  1743] <... futex resumed>)        = 0
[pid  1741] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1742] <... futex resumed>)        = 0
[pid  1747] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1746] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1745] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1744] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1743] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1741] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1742] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1747] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1742] <... futex resumed>)        = 0
[pid  1744] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1742] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1744] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1747] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1746] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1745] <... futex resumed>)        = 0
[pid  1743] <... futex resumed>)        = 0
[pid  1741] <... futex resumed>)        = 0
[pid  1747] <... openat resumed>)       = 3
[pid  1746] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1745] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1744] <... openat resumed>)       = 4
[pid  1743] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1741] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1747] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1746] <... openat resumed>)       = 3
[pid  1745] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1747] <... futex resumed>)        = 1
[pid  1746] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1745] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1744] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1742] <... futex resumed>)        = 0
[pid  1747] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1746] <... futex resumed>)        = 1
[pid  1745] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1743] <... futex resumed>)        = 0
[pid  1744] <... futex resumed>)        = 1
[pid  1741] <... futex resumed>)        = 0
[pid  1742] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1747] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1746] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1745] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1743] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1747] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1746] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1745] <... mmap resumed>)         = 0x7fb4de009000
[pid  1744] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1743] <... futex resumed>)        = 0
[pid  1741] exit_group(0 <unfinished ...>
[pid  1742] <... futex resumed>)        = 0
[pid  1747] <... write resumed>)        = 2
[pid  1746] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1745] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1743] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1741] <... exit_group resumed>)   = ?
[pid  1744] <... futex resumed>)        = ?
[pid  1742] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1747] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1746] <... write resumed>)        = 2
[pid  1745] <... mprotect resumed>)     = 0
[pid  1744] +++ exited with 0 +++
[pid  1742] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1747] <... futex resumed>)        = 0
[pid  1747] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1746] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1745] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1746] <... futex resumed>)        = 1
[pid  1743] <... futex resumed>)        = 0
[pid  1746] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1745] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1743] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1746] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1745] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1743] <... futex resumed>)        = 0
[pid  1746] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1743] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1741] +++ exited with 0 +++
[pid  1742] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1748 attached
 <unfinished ...>
[pid  1746] <... openat resumed>)       = 4
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1741, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1745] <... clone3 resumed> => {parent_tid=[1748]}, 88) = 1748
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1748] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1746] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1745] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1748] <... set_robust_list resumed>) = 0
[pid  1747] <... futex resumed>)        = 0
[pid  1746] <... futex resumed>)        = 1
[pid  1745] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1743] <... futex resumed>)        = 0
[pid  1742] <... futex resumed>)        = 1
[pid  1748] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1747] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1746] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1745] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1743] exit_group(0 <unfinished ...>
[pid  1742] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1748] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1747] <... openat resumed>)       = 4
[pid  1745] <... futex resumed>)        = 0
[pid  1743] <... exit_group resumed>)   = ?
[pid  1747] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1746] <... futex resumed>)        = ?
[pid  1745] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1748] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1747] <... futex resumed>)        = 0
[pid  1746] +++ exited with 0 +++
[pid  1743] +++ exited with 0 +++
[pid  1742] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1748] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1747] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1742] exit_group(0 <unfinished ...>
[pid  1748] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1743, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1748] <... futex resumed>)        = 1
[pid  1747] <... futex resumed>)        = ?
[pid  1745] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1748] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1747] +++ exited with 0 +++
[pid  1745] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1742] <... exit_group resumed>)   = ?
[pid  1748] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1745] <... futex resumed>)        = 0
[pid  1748] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1745] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1748] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1742] +++ exited with 0 +++
[pid  1748] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1745] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1742, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1748] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1745] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1748] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1745] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1748] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1745] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1748] <... openat resumed>)       = 3
[pid  1748] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1745] <... futex resumed>)        = 0
[pid  1748] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1745] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1748] <... write resumed>)        = 2
[pid  1745] <... futex resumed>)        = 0
[pid  1748] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1745] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1748] <... futex resumed>)        = 0
[pid  1745] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1748] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1745] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1748] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1748] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1745] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1748] <... openat resumed>)       = 4
[pid  1745] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1748] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1748] <... futex resumed>)        = 1
[pid  1745] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1748] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1745] exit_group(0 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1750 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1749 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1751 attached
 <unfinished ...>
[pid  1748] <... futex resumed>)        = ?
[pid  1745] <... exit_group resumed>)   = ?
[pid  1748] +++ exited with 0 +++
[pid  1751] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1750] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1749] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1745] +++ exited with 0 +++
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1749
[pid  1751] <... set_robust_list resumed>) = 0
[pid  1750] <... set_robust_list resumed>) = 0
[pid  1749] <... set_robust_list resumed>) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1750
[pid  1750] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1751
[pid  1751] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1749] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1750] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1749] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1745, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1751] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1749] <... prctl resumed>)        = 0
[pid  1749] setpgid(0, 0)               = 0
[pid  1751] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1751] setpgid(0, 0)               = 0
[pid  1750] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1750] <... prctl resumed>)        = 0
[pid  1749] <... openat resumed>)       = 3
[pid  1749] write(3, "1000", 4 <unfinished ...>
[pid  1751] <... openat resumed>)       = 3
[pid  1750] setpgid(0, 0 <unfinished ...>
[pid  1749] <... write resumed>)        = 4
[pid  1750] <... setpgid resumed>)      = 0
[pid  1749] close(3 <unfinished ...>
[pid  1750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1751] write(3, "1000", 4 <unfinished ...>
[pid  1749] <... close resumed>)        = 0
[pid  1749] write(1, "executing program\n", 18) = 18
[pid  1751] <... write resumed>)        = 4
[pid  1750] <... openat resumed>)       = 3
[pid  1751] close(3 <unfinished ...>
[pid  1750] write(3, "1000", 4 <unfinished ...>
[pid  1751] <... close resumed>)        = 0
[pid  1750] <... write resumed>)        = 4
executing program
[pid  1749] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1749] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1749] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1749] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1749] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1749] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1749] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1752 attached
 <unfinished ...>
[pid  1752] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1751] write(1, "executing program\n", 18 <unfinished ...>
[pid  1750] close(3 <unfinished ...>
[pid  1752] <... set_robust_list resumed>) = 0
[pid  1749] <... clone3 resumed> => {parent_tid=[1752]}, 88) = 1752
[pid  1752] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1751] <... write resumed>)        = 18
[pid  1750] <... close resumed>)        = 0
[pid  1749] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1752] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  1751] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1750] write(1, "executing program\n", 18 <unfinished ...>
[pid  1749] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1752] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1751] <... futex resumed>)        = 0
[pid  1749] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1752] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1751] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1750] <... write resumed>)        = 18
[pid  1749] <... futex resumed>)        = 0
[pid  1752] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1751] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1750] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1749] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1752] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1751] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1750] <... futex resumed>)        = 0
[pid  1751] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1750] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1751] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1750] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1752] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1749] <... futex resumed>)        = 0
[pid  1752] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1750] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1749] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1752] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1751] <... mmap resumed>)         = 0x7fb4de009000
[pid  1750] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1749] <... futex resumed>)        = 0
[pid  1752] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1751] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1749] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1752] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1750] <... mmap resumed>)         = 0x7fb4de009000
[pid  1752] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1751] <... mprotect resumed>)     = 0
[pid  1750] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1752] <... futex resumed>)        = 1
[pid  1750] <... mprotect resumed>)     = 0
[pid  1749] <... futex resumed>)        = 0
[pid  1752] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1751] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1749] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1751] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1750] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1751] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1750] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1752] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1750] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1749] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1753 attached
[pid  1752] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1749] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1754 attached
 <unfinished ...>
[pid  1753] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1752] <... openat resumed>)       = 3
[pid  1751] <... clone3 resumed> => {parent_tid=[1753]}, 88) = 1753
[pid  1754] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1753] <... set_robust_list resumed>) = 0
[pid  1752] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1751] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1750] <... clone3 resumed> => {parent_tid=[1754]}, 88) = 1754
[pid  1754] <... set_robust_list resumed>) = 0
[pid  1753] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1752] <... futex resumed>)        = 1
[pid  1749] <... futex resumed>)        = 0
[pid  1754] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1753] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1752] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1750] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1749] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1754] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1753] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1752] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1751] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1750] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1749] <... futex resumed>)        = 0
[pid  1754] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1753] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1752] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1751] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1749] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1753] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1752] <... write resumed>)        = 2
[pid  1750] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1753] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1752] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1754] <... futex resumed>)        = 0
[pid  1750] <... futex resumed>)        = 1
[pid  1754] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1753] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1752] <... futex resumed>)        = 1
[pid  1751] <... futex resumed>)        = 0
[pid  1749] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1750] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1754] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1753] <... futex resumed>)        = 0
[pid  1752] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1751] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1749] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1754] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1753] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1752] <... openat resumed>)       = 4
[pid  1751] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1749] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1754] <... futex resumed>)        = 1
[pid  1751] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1750] <... futex resumed>)        = 0
[pid  1754] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1752] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1749] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1752] <... futex resumed>)        = 0
[pid  1749] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1752] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1749] exit_group(0 <unfinished ...>
[pid  1752] <... futex resumed>)        = ?
[pid  1749] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 1755 attached
[pid  1752] +++ exited with 0 +++
[pid  1751] <... futex resumed>)        = 1
[pid  1750] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1749] +++ exited with 0 +++
[pid  1751] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1750] <... futex resumed>)        = 1
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1755
[pid  1755] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1750] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1749, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1755] <... set_robust_list resumed>) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1755] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1755] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1754] <... futex resumed>)        = 0
[pid  1753] <... futex resumed>)        = 0
[pid  1754] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1753] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1755] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1754] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1753] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1754] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1753] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1755] <... prctl resumed>)        = 0
[pid  1754] <... futex resumed>)        = 1
[pid  1753] <... futex resumed>)        = 1
[pid  1751] <... futex resumed>)        = 0
[pid  1750] <... futex resumed>)        = 0
[pid  1755] setpgid(0, 0 <unfinished ...>
[pid  1754] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1753] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1751] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1750] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1755] <... setpgid resumed>)      = 0
[pid  1754] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1753] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1751] <... futex resumed>)        = 0
[pid  1750] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  1754] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1753] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1751] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1750] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1754] <... openat resumed>)       = 3
[pid  1753] <... openat resumed>)       = 3
[pid  1754] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1753] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1754] <... futex resumed>)        = 1
[pid  1753] <... futex resumed>)        = 1
[pid  1750] <... futex resumed>)        = 0
[pid  1751] <... futex resumed>)        = 0
[pid  1755] <... openat resumed>)       = 3
[pid  1754] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1753] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1751] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1750] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1755] write(3, "1000", 4 <unfinished ...>
[pid  1754] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1753] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1751] <... futex resumed>)        = 0
[pid  1750] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1755] <... write resumed>)        = 4
[pid  1754] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1753] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1751] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1750] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1755] close(3 <unfinished ...>
[pid  1754] <... write resumed>)        = 2
[pid  1753] <... write resumed>)        = 2
[pid  1754] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1753] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1754] <... futex resumed>)        = 1
[pid  1753] <... futex resumed>)        = 1
[pid  1750] <... futex resumed>)        = 0
[pid  1754] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1753] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1750] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1754] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1751] <... futex resumed>)        = 0
[pid  1750] <... futex resumed>)        = 0
[pid  1755] <... close resumed>)        = 0
[pid  1754] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1751] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1750] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1754] <... openat resumed>)       = 4
[pid  1753] <... futex resumed>)        = 0
[pid  1751] <... futex resumed>)        = 1
[pid  1753] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1755] write(1, "executing program\n", 18 <unfinished ...>
[pid  1753] <... openat resumed>)       = 4
[pid  1751] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1754] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1753] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1756 attached
 <unfinished ...>
[pid  1754] <... futex resumed>)        = 1
[pid  1753] <... futex resumed>)        = 0
[pid  1750] <... futex resumed>)        = 0
[pid  1756] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1755] <... write resumed>)        = 18
[pid  1754] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1753] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1751] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
executing program
[pid  1750] exit_group(0 <unfinished ...>
[pid  1756] <... set_robust_list resumed>) = 0
[pid  1755] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1754] <... futex resumed>)        = ?
[pid  1751] exit_group(0 <unfinished ...>
[pid  1750] <... exit_group resumed>)   = ?
[pid  1756] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1755] <... futex resumed>)        = 0
[pid  1754] +++ exited with 0 +++
[pid  1753] <... futex resumed>)        = ?
[pid  1751] <... exit_group resumed>)   = ?
[pid  1750] +++ exited with 0 +++
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1756
[pid  1756] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1755] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1753] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1750, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1755] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1755] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1756] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1755] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1756] <... prctl resumed>)        = 0
[pid  1756] setpgid(0, 0)               = 0
[pid  1751] +++ exited with 0 +++
[pid  1755] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1755] <... mmap resumed>)         = 0x7fb4de009000
[pid  1755] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1751, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1756] <... openat resumed>)       = 3
[pid  1755] <... mprotect resumed>)     = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1755] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1756] write(3, "1000", 4 <unfinished ...>
[pid  1755] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1756] <... write resumed>)        = 4
[pid  1755] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1756] close(3ci2-android-6-12-rust/strace-static-x86_64: Process 1757 attached
)                    = 0
[pid  1757] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1756] write(1, "executing program\n", 18 <unfinished ...>
[pid  1755] <... clone3 resumed> => {parent_tid=[1757]}, 88) = 1757
[pid  1757] <... set_robust_list resumed>) = 0
[pid  1755] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1757] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1755] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1757] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1755] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1757] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1756] <... write resumed>)        = 18
[pid  1755] <... futex resumed>)        = 0
[pid  1757] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1756] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1757] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1756] <... futex resumed>)        = 0
[pid  1755] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1757] <... futex resumed>)        = 0
[pid  1756] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1757] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1756] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1755] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1756] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1755] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1757] <... futex resumed>)        = 0
[pid  1756] <... mmap resumed>)         = 0x7fb4de009000
[pid  1755] <... futex resumed>)        = 1
[pid  1757] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1755] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1756] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1757] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1756] <... mprotect resumed>)     = 0
[pid  1757] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1756] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1757] <... futex resumed>)        = 1
[pid  1755] <... futex resumed>)        = 0
[pid  1757] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1755] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1757] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1756] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1755] <... futex resumed>)        = 0
[pid  1757] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1756] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1755] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1757] <... openat resumed>)       = 3
[pid  1757] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1755] <... futex resumed>)        = 0
[pid  1757] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1755] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1757] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1755] <... futex resumed>)        = 0
[pid  1757] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1755] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1757] <... write resumed>)        = 2
[pid  1757] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1758 attached
[pid  1757] <... futex resumed>)        = 1
[pid  1756] <... clone3 resumed> => {parent_tid=[1758]}, 88) = 1758
[pid  1755] <... futex resumed>)        = 0
[pid  1758] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1757] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1756] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1755] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1758] <... set_robust_list resumed>) = 0
[pid  1757] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1756] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1755] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1758] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1757] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1756] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1755] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1758] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1757] <... openat resumed>)       = 4
[pid  1756] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1760 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1759 attached
 <unfinished ...>
[pid  1758] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1757] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1756] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1760] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1759] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1758] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1757] <... futex resumed>)        = 1
[pid  1755] <... futex resumed>)        = 0
[pid  1760] <... set_robust_list resumed>) = 0
[pid  1759] <... set_robust_list resumed>) = 0
[pid  1758] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1757] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1759] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1760] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1759] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1758] <... futex resumed>)        = 1
[pid  1756] <... futex resumed>)        = 0
[pid  1760] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1755] exit_group(0 <unfinished ...>
[pid  1759] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1758] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1756] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1759
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1760
[pid  1760] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1759] <... prctl resumed>)        = 0
[pid  1758] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1757] <... futex resumed>)        = ?
[pid  1756] <... futex resumed>)        = 0
[pid  1755] <... exit_group resumed>)   = ?
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1760] <... prctl resumed>)        = 0
[pid  1759] setpgid(0, 0 <unfinished ...>
[pid  1758] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1757] +++ exited with 0 +++
[pid  1756] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1760] setpgid(0, 0 <unfinished ...>
[pid  1759] <... setpgid resumed>)      = 0
[pid  1758] <... futex resumed>)        = 0
[pid  1756] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1760] <... setpgid resumed>)      = 0
[pid  1759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1758] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1756] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1758] <... openat resumed>)       = 3
[pid  1756] <... futex resumed>)        = 0
[pid  1755] +++ exited with 0 +++
[pid  1759] <... openat resumed>)       = 3
[pid  1756] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1760] <... openat resumed>)       = 3
[pid  1759] write(3, "1000", 4 <unfinished ...>
[pid  1758] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1756] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1760] write(3, "1000", 4 <unfinished ...>
[pid  1759] <... write resumed>)        = 4
[pid  1758] <... futex resumed>)        = 0
[pid  1756] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1755, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1760] <... write resumed>)        = 4
[pid  1759] close(3 <unfinished ...>
[pid  1758] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1756] <... futex resumed>)        = 0
[pid  1760] close(3 <unfinished ...>
[pid  1759] <... close resumed>)        = 0
[pid  1758] <... write resumed>)        = 2
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1760] <... close resumed>)        = 0
[pid  1759] write(1, "executing program\n", 18 <unfinished ...>
[pid  1758] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
executing program
[pid  1760] write(1, "executing program\n", 18) = 18
[pid  1759] <... write resumed>)        = 18
[pid  1758] <... futex resumed>)        = 0
[pid  1756] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1760] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1759] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1758] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1756] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1760] <... futex resumed>)        = 0
[pid  1759] <... futex resumed>)        = 0
[pid  1758] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1756] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1760] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1759] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1758] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1756] <... futex resumed>)        = 0
[pid  1760] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1759] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1756] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1760] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1759] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1758] <... openat resumed>)       = 4
[pid  1760] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1759] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1760] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1758] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1760] <... mmap resumed>)         = 0x7fb4de009000
[pid  1759] <... mmap resumed>)         = 0x7fb4de009000
[pid  1758] <... futex resumed>)        = 1
[pid  1756] <... futex resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1760] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1759] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1758] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1756] exit_group(0 <unfinished ...>
[pid  1760] <... mprotect resumed>)     = 0
[pid  1759] <... mprotect resumed>)     = 0
[pid  1758] <... futex resumed>)        = ?
[pid  1756] <... exit_group resumed>)   = ?
[pid  1760] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1759] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1759] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1761 attached
 <unfinished ...>
[pid  1760] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1761] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1760] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1761] <... set_robust_list resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1762 attached
 <unfinished ...>
[pid  1761] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1758] +++ exited with 0 +++
[pid  1756] +++ exited with 0 +++
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1762] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1761] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1760] <... clone3 resumed> => {parent_tid=[1762]}, 88) = 1762
[pid  1761] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1760] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1756, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1762] <... set_robust_list resumed>) = 0
[pid  1760] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1759] <... clone3 resumed> => {parent_tid=[1761]}, 88) = 1761
ci2-android-6-12-rust/strace-static-x86_64: Process 1763 attached
[pid  1762] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1760] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1759] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1763] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1762] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1760] <... futex resumed>)        = 0
[pid  1759] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1763
[pid  1763] <... set_robust_list resumed>) = 0
[pid  1762] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1760] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1759] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1763] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1762] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1761] <... futex resumed>)        = 0
[pid  1759] <... futex resumed>)        = 1
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1763] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1762] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1761] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1759] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1763] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1762] <... futex resumed>)        = 1
[pid  1761] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1760] <... futex resumed>)        = 0
[pid  1763] <... prctl resumed>)        = 0
[pid  1762] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1761] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1760] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1763] setpgid(0, 0 <unfinished ...>
[pid  1762] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1761] <... futex resumed>)        = 1
[pid  1760] <... futex resumed>)        = 0
[pid  1759] <... futex resumed>)        = 0
[pid  1763] <... setpgid resumed>)      = 0
[pid  1762] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1761] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1760] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1759] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1759] <... futex resumed>)        = 0
[pid  1762] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1761] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1759] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1763] <... openat resumed>)       = 3
[pid  1762] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1761] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1763] write(3, "1000", 4 <unfinished ...>
[pid  1762] <... futex resumed>)        = 1
[pid  1761] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1760] <... futex resumed>)        = 0
[pid  1763] <... write resumed>)        = 4
[pid  1762] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1761] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1760] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1763] close(3 <unfinished ...>
[pid  1762] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1761] <... futex resumed>)        = 1
[pid  1760] <... futex resumed>)        = 0
[pid  1759] <... futex resumed>)        = 0
[pid  1763] <... close resumed>)        = 0
[pid  1762] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1761] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1760] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1759] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1763] write(1, "executing program\n", 18 <unfinished ...>
[pid  1762] <... openat resumed>)       = 3
[pid  1761] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1759] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
executing program
[pid  1763] <... write resumed>)        = 18
[pid  1762] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1761] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1759] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1763] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1762] <... futex resumed>)        = 1
[pid  1761] <... openat resumed>)       = 3
[pid  1760] <... futex resumed>)        = 0
[pid  1763] <... futex resumed>)        = 0
[pid  1762] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1761] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1760] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1763] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1762] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1763] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1761] <... futex resumed>)        = 1
[pid  1760] <... futex resumed>)        = 0
[pid  1763] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1762] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1761] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1760] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1759] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1763] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1762] <... write resumed>)        = 2
[pid  1759] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1763] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1762] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1761] <... futex resumed>)        = 0
[pid  1759] <... futex resumed>)        = 1
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1763] <... mmap resumed>)         = 0x7fb4de009000
[pid  1762] <... futex resumed>)        = 1
[pid  1761] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1760] <... futex resumed>)        = 0
[pid  1759] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1763] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1762] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1761] <... write resumed>)        = 2
[pid  1760] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1763] <... mprotect resumed>)     = 0
[pid  1762] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1761] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1760] <... futex resumed>)        = 0
[pid  1763] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1764 attached
[pid  1762] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1763] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1761] <... futex resumed>)        = 1
[pid  1760] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1759] <... futex resumed>)        = 0
[pid  1764] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1762] <... openat resumed>)       = 4
[pid  1761] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1764
[pid  1764] <... set_robust_list resumed>) = 0
[pid  1762] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1765 attached
 <unfinished ...>
[pid  1764] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1762] <... futex resumed>)        = 1
[pid  1760] <... futex resumed>)        = 0
[pid  1759] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1765] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1764] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1763] <... clone3 resumed> => {parent_tid=[1765]}, 88) = 1765
[pid  1762] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1761] <... futex resumed>)        = 0
[pid  1760] exit_group(0 <unfinished ...>
[pid  1759] <... futex resumed>)        = 1
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1765] <... set_robust_list resumed>) = 0
[pid  1764] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1763] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1762] <... futex resumed>)        = ?
[pid  1761] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1760] <... exit_group resumed>)   = ?
[pid  1759] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1765] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1764] <... prctl resumed>)        = 0
[pid  1763] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1762] +++ exited with 0 +++
[pid  1761] <... openat resumed>)       = 4
[pid  1763] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1763] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1761] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1760] +++ exited with 0 +++
[pid  1765] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1764] setpgid(0, 0 <unfinished ...>
[pid  1765] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1764] <... setpgid resumed>)      = 0
[pid  1761] <... futex resumed>)        = 1
[pid  1759] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1760, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1765] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1761] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1759] exit_group(0 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1765] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1764] <... openat resumed>)       = 3
[pid  1761] <... futex resumed>)        = ?
[pid  1759] <... exit_group resumed>)   = ?
[pid  1765] <... futex resumed>)        = 1
[pid  1764] write(3, "1000", 4 <unfinished ...>
[pid  1763] <... futex resumed>)        = 0
[pid  1761] +++ exited with 0 +++
[pid  1759] +++ exited with 0 +++
[pid  1765] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1764] <... write resumed>)        = 4
[pid  1763] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1765] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1764] close(3 <unfinished ...>
[pid  1763] <... futex resumed>)        = 0
[pid  1765] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1764] <... close resumed>)        = 0
[pid  1763] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1759, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1764] write(1, "executing program\n", 18 <unfinished ...>
[pid  1765] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1764] <... write resumed>)        = 18
[pid  1765] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
executing program
[pid  1764] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1763] <... futex resumed>)        = 0
[pid  1765] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1764] <... futex resumed>)        = 0
[pid  1765] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1763] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1765] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1764] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1763] <... futex resumed>)        = 0
[pid  1765] <... openat resumed>)       = 3
[pid  1764] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1763] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1765] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1764] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1765] <... futex resumed>)        = 0
[pid  1763] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1765] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1764] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1765] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1763] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1765] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1764] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1763] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  1765] <... write resumed>)        = 2
[pid  1764] <... mmap resumed>)         = 0x7fb4de009000
[pid  1763] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1765] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1764] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1763] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... restart_syscall resumed>) = 0
[pid  1765] <... futex resumed>)        = 0
[pid  1764] <... mprotect resumed>)     = 0
[pid  1763] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1765] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1764] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1763] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1765] <... openat resumed>)       = 4
[pid  1763] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1764] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1766 attached
 <unfinished ...>
[pid  1765] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1764] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1763] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1767 attached
[pid  1766] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1765] <... futex resumed>)        = 0
[pid  1763] exit_group(0 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1766
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1767] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1766] <... set_robust_list resumed>) = 0
[pid  1764] <... clone3 resumed> => {parent_tid=[1767]}, 88) = 1767
[pid  1763] <... exit_group resumed>)   = ?
[pid   315] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1768 attached
 <unfinished ...>
[pid  1767] <... set_robust_list resumed>) = 0
[pid  1766] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1765] +++ exited with 0 +++
[pid  1764] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1767] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1766] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1764] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1767] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1764] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1768] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1766] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1767] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1763] +++ exited with 0 +++
[pid  1764] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1768
[pid  1768] <... set_robust_list resumed>) = 0
[pid  1767] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1766] <... prctl resumed>)        = 0
[pid  1764] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1768] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1767] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1766] setpgid(0, 0 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1763, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1768] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1767] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1766] <... setpgid resumed>)      = 0
[pid  1768] <... prctl resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1768] setpgid(0, 0)               = 0
[pid  1767] <... futex resumed>)        = 1
[pid  1766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1764] <... futex resumed>)        = 0
[pid  1768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1767] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1768] <... openat resumed>)       = 3
[pid  1766] <... openat resumed>)       = 3
[pid  1764] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1767] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1766] write(3, "1000", 4 <unfinished ...>
[pid  1764] <... futex resumed>)        = 0
[pid  1767] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1766] <... write resumed>)        = 4
[pid  1764] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1768] write(3, "1000", 4 <unfinished ...>
[pid  1767] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1766] close(3 <unfinished ...>
[pid  1768] <... write resumed>)        = 4
[pid  1768] close(3 <unfinished ...>
[pid  1766] <... close resumed>)        = 0
[pid  1768] <... close resumed>)        = 0
[pid  1767] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1768] write(1, "executing program\n", 18 <unfinished ...>
[pid  1766] write(1, "executing program\n", 18 <unfinished ...>
[pid  1768] <... write resumed>)        = 18
executing program
[pid  1767] <... futex resumed>)        = 1
[pid  1764] <... futex resumed>)        = 0
[pid  1768] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1766] <... write resumed>)        = 18
[pid   312] <... restart_syscall resumed>) = 0
[pid  1768] <... futex resumed>)        = 0
[pid  1767] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1764] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1768] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1766] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1767] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1764] <... futex resumed>)        = 0
[pid  1768] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1766] <... futex resumed>)        = 0
[pid  1764] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1768] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1767] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1766] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1768] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1766] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1767] <... openat resumed>)       = 3
[pid  1766] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1767] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1766] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1768] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1768] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1769 attached
[pid  1768] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1767] <... futex resumed>)        = 1
[pid  1766] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1764] <... futex resumed>)        = 0
[pid  1769] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1768] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1766] <... mmap resumed>)         = 0x7fb4de009000
[pid  1764] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1769
[pid  1769] <... set_robust_list resumed>) = 0
[pid  1767] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1766] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1764] <... futex resumed>)        = 0
[pid  1769] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1767] <... write resumed>)        = 2
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1769] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1767] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1766] <... mprotect resumed>)     = 0
[pid  1764] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1769] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1768] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1767] <... futex resumed>)        = 0
[pid  1766] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1764] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 1770 attached
[pid  1769] <... prctl resumed>)        = 0
[pid  1767] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1766] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1764] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1770] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1769] setpgid(0, 0 <unfinished ...>
[pid  1768] <... clone3 resumed> => {parent_tid=[1770]}, 88) = 1770
[pid  1767] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1766] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1764] <... futex resumed>)        = 0
[pid  1770] <... set_robust_list resumed>) = 0
[pid  1769] <... setpgid resumed>)      = 0
[pid  1768] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1767] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLYci2-android-6-12-rust/strace-static-x86_64: Process 1771 attached
 <unfinished ...>
[pid  1770] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1768] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1764] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1771] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1770] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1769] <... openat resumed>)       = 3
[pid  1768] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1767] <... openat resumed>)       = 4
[pid  1766] <... clone3 resumed> => {parent_tid=[1771]}, 88) = 1771
[pid  1771] <... set_robust_list resumed>) = 0
[pid  1770] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1769] write(3, "1000", 4 <unfinished ...>
[pid  1768] <... futex resumed>)        = 0
[pid  1767] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1766] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1770] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1769] <... write resumed>)        = 4
[pid  1767] <... futex resumed>)        = 1
[pid  1766] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1764] <... futex resumed>)        = 0
[pid  1770] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1769] close(3 <unfinished ...>
[pid  1767] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1766] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1770] <... futex resumed>)        = 0
[pid  1764] exit_group(0 <unfinished ...>
[pid  1766] <... futex resumed>)        = 0
[pid  1770] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1769] <... close resumed>)        = 0
[pid  1764] <... exit_group resumed>)   = ?
[pid  1769] write(1, "executing program\n", 18 <unfinished ...>
[pid  1767] <... futex resumed>)        = ?
[pid  1766] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1769] <... write resumed>)        = 18
executing program
[pid  1771] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1769] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1768] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1771] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1768] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1771] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1768] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1771] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1768] <... futex resumed>)        = 1
[pid  1771] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1768] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1771] <... futex resumed>)        = 1
[pid  1770] <... futex resumed>)        = 0
[pid  1769] <... futex resumed>)        = 0
[pid  1767] +++ exited with 0 +++
[pid  1766] <... futex resumed>)        = 0
[pid  1764] +++ exited with 0 +++
[pid  1771] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1770] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1769] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1766] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1771] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1771] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1770] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1769] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1766] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1764, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1771] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1770] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1769] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1766] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1771] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1770] <... futex resumed>)        = 1
[pid  1769] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1768] <... futex resumed>)        = 0
[pid  1766] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1771] <... futex resumed>)        = 0
[pid  1770] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1768] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1766] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1771] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1770] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1769] <... mmap resumed>)         = 0x7fb4de009000
[pid  1768] <... futex resumed>)        = 0
[pid  1771] <... openat resumed>)       = 3
[pid  1770] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1769] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1768] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1766] <... futex resumed>)        = 0
[pid  1771] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1770] <... openat resumed>)       = 3
[pid  1769] <... mprotect resumed>)     = 0
[pid  1766] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1771] <... futex resumed>)        = 0
[pid  1770] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1771] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1769] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1766] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1770] <... futex resumed>)        = 1
[pid  1768] <... futex resumed>)        = 0
[pid  1770] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1769] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1768] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1766] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1771] <... futex resumed>)        = 0
[pid  1770] <... write resumed>)        = 2
[pid  1769] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1768] <... futex resumed>)        = 0
[pid  1766] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 1772 attached
[pid  1771] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1770] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1768] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1766] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1772] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1771] <... write resumed>)        = 2
[pid  1770] <... futex resumed>)        = 0
[pid  1769] <... clone3 resumed> => {parent_tid=[1772]}, 88) = 1772
[pid  1768] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1771] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1768] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1773 attached
 <unfinished ...>
[pid  1771] <... futex resumed>)        = 1
[pid  1772] <... set_robust_list resumed>) = 0
[pid  1768] <... futex resumed>)        = 0
[pid  1770] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1773] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1772] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1771] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1769] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1768] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1766] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1773
[pid  1773] <... set_robust_list resumed>) = 0
[pid  1772] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1770] <... openat resumed>)       = 4
[pid  1769] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1766] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1773] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1773] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1772] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1771] <... futex resumed>)        = 0
[pid  1770] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1769] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1766] <... futex resumed>)        = 1
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1773] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1772] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1771] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1770] <... futex resumed>)        = 1
[pid  1769] <... futex resumed>)        = 0
[pid  1768] <... futex resumed>)        = 0
[pid  1773] <... prctl resumed>)        = 0
[pid  1772] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1771] <... openat resumed>)       = 4
[pid  1770] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1769] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1768] exit_group(0 <unfinished ...>
[pid  1766] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1773] setpgid(0, 0 <unfinished ...>
[pid  1772] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1771] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1770] <... futex resumed>)        = ?
[pid  1768] <... exit_group resumed>)   = ?
[pid  1773] <... setpgid resumed>)      = 0
[pid  1772] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1771] <... futex resumed>)        = 0
[pid  1766] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1772] <... futex resumed>)        = 1
[pid  1769] <... futex resumed>)        = 0
[pid  1766] exit_group(0 <unfinished ...>
[pid  1772] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1769] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1773] <... openat resumed>)       = 3
[pid  1771] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1773] write(3, "1000", 4 <unfinished ...>
[pid  1772] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1771] +++ exited with 0 +++
[pid  1770] +++ exited with 0 +++
[pid  1769] <... futex resumed>)        = 0
[pid  1768] +++ exited with 0 +++
[pid  1766] <... exit_group resumed>)   = ?
[pid  1773] <... write resumed>)        = 4
[pid  1772] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1773] close(3 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1768, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1773] <... close resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1773] write(1, "executing program\n", 18 <unfinished ...>
[pid  1769] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1766] +++ exited with 0 +++
[pid  1773] <... write resumed>)        = 18
executing program
[pid  1772] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1773] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1773] <... futex resumed>)        = 0
[pid  1772] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1766, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1773] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1772] <... futex resumed>)        = 1
[pid  1769] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1773] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1772] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1769] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1773] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1772] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1769] <... futex resumed>)        = 0
[pid  1773] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1772] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1769] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1773] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1772] <... openat resumed>)       = 3
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1773] <... mmap resumed>)         = 0x7fb4de009000
[pid  1772] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1774 attached
 <unfinished ...>
[pid  1773] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1772] <... futex resumed>)        = 1
[pid  1769] <... futex resumed>)        = 0
[pid  1774] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1773] <... mprotect resumed>)     = 0
[pid  1774] <... set_robust_list resumed>) = 0
[pid  1772] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1769] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1774] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1773] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1772] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1774
[pid  1774] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1773] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1772] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1769] <... futex resumed>)        = 0
[pid  1774] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1773] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1772] <... write resumed>)        = 2
[pid  1769] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1775 attached
 <unfinished ...>
[pid  1774] <... prctl resumed>)        = 0
[pid  1772] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1769] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1775] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1774] setpgid(0, 0 <unfinished ...>
[pid  1772] <... futex resumed>)        = 0
[pid  1769] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1775] <... set_robust_list resumed>) = 0
[pid  1774] <... setpgid resumed>)      = 0
[pid  1772] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1769] <... futex resumed>)        = 0
[pid  1775] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1775] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1773] <... clone3 resumed> => {parent_tid=[1775]}, 88) = 1775
[pid  1772] <... openat resumed>)       = 4
[pid  1769] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1775] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1774] <... openat resumed>)       = 3
[pid  1773] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1772] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1769] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1774] write(3, "1000", 4 <unfinished ...>
[pid  1773] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1772] <... futex resumed>)        = 0
[pid  1774] <... write resumed>)        = 4
[pid  1773] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1769] exit_group(0 <unfinished ...>
[pid  1775] <... futex resumed>)        = 0
[pid  1774] close(3 <unfinished ...>
[pid  1773] <... futex resumed>)        = 1
[pid  1772] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1775] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1774] <... close resumed>)        = 0
[pid  1773] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1769] <... exit_group resumed>)   = ?
[pid  1775] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1774] write(1, "executing program\n", 18 <unfinished ...>
[pid  1772] +++ exited with 0 +++
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1775] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1774] <... write resumed>)        = 18
executing program
[pid  1769] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 1776 attached
[pid  1775] <... futex resumed>)        = 1
[pid  1774] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1773] <... futex resumed>)        = 0
[pid  1776] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1775] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1774] <... futex resumed>)        = 0
[pid  1776] <... set_robust_list resumed>) = 0
[pid  1774] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1769, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1773] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1776] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1774] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1776] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1774] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1776] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1775] <... futex resumed>)        = 0
[pid  1774] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1773] <... futex resumed>)        = 1
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1776
[pid  1776] <... prctl resumed>)        = 0
[pid  1775] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1773] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1776] setpgid(0, 0 <unfinished ...>
[pid  1775] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1774] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1776] <... setpgid resumed>)      = 0
[pid  1775] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1774] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1775] <... futex resumed>)        = 1
[pid  1774] <... mprotect resumed>)     = 0
[pid  1773] <... futex resumed>)        = 0
[pid  1776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1775] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1774] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1773] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1776] <... openat resumed>)       = 3
[pid  1775] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1774] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1773] <... futex resumed>)        = 0
[pid  1776] write(3, "1000", 4 <unfinished ...>
[pid  1775] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1774] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1776] <... write resumed>)        = 4
[pid  1775] <... openat resumed>)       = 3
[pid  1773] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1777 attached
 <unfinished ...>
[pid  1776] close(3 <unfinished ...>
[pid  1775] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1776] <... close resumed>)        = 0
[pid  1777] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1775] <... futex resumed>)        = 1
[pid  1774] <... clone3 resumed> => {parent_tid=[1777]}, 88) = 1777
[pid  1773] <... futex resumed>)        = 0
[pid  1777] <... set_robust_list resumed>) = 0
[pid  1776] write(1, "executing program\n", 18 <unfinished ...>
[pid  1775] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1774] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
executing program
[pid  1773] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1777] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1776] <... write resumed>)        = 18
[pid  1775] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1774] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1773] <... futex resumed>)        = 0
[pid  1777] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1776] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1775] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1774] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1773] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1777] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1776] <... futex resumed>)        = 0
[pid  1775] <... write resumed>)        = 2
[pid  1774] <... futex resumed>)        = 0
[pid  1777] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1776] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1774] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1777] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1776] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1775] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1777] <... futex resumed>)        = 0
[pid  1776] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1774] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1777] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1776] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1775] <... futex resumed>)        = 1
[pid  1774] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1773] <... futex resumed>)        = 0
[pid  1777] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1775] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1774] <... futex resumed>)        = 0
[pid  1773] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1777] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1776] <... mmap resumed>)         = 0x7fb4de009000
[pid  1775] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1774] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1773] <... futex resumed>)        = 0
[pid  1777] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1776] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1775] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1773] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1777] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1776] <... mprotect resumed>)     = 0
[pid  1777] <... futex resumed>)        = 1
[pid  1775] <... openat resumed>)       = 4
[pid  1774] <... futex resumed>)        = 0
[pid  1777] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1776] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1774] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1777] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1776] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1775] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1774] <... futex resumed>)        = 0
[pid  1777] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1776] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1775] <... futex resumed>)        = 1
[pid  1774] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1777] <... openat resumed>)       = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 1778 attached
[pid  1777] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1775] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1773] <... futex resumed>)        = 0
[pid  1778] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1777] <... futex resumed>)        = 1
[pid  1776] <... clone3 resumed> => {parent_tid=[1778]}, 88) = 1778
[pid  1774] <... futex resumed>)        = 0
[pid  1773] exit_group(0 <unfinished ...>
[pid  1778] <... set_robust_list resumed>) = 0
[pid  1777] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1776] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1775] <... futex resumed>)        = ?
[pid  1774] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1773] <... exit_group resumed>)   = ?
[pid  1778] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1777] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1776] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1775] +++ exited with 0 +++
[pid  1774] <... futex resumed>)        = 0
[pid  1773] +++ exited with 0 +++
[pid  1778] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1777] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1776] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1774] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1778] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1777] <... write resumed>)        = 2
[pid  1776] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1773, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1778] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1777] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1776] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1778] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1777] <... futex resumed>)        = 1
[pid  1776] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1774] <... futex resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1778] <... futex resumed>)        = 0
[pid  1777] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1776] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1774] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1778] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1777] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1776] <... futex resumed>)        = 0
[pid  1774] <... futex resumed>)        = 0
[pid  1778] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1777] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1776] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1774] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1778] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1777] <... openat resumed>)       = 4
[pid  1776] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1778] <... futex resumed>)        = 0
[pid  1777] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1776] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1778] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1777] <... futex resumed>)        = 1
[pid  1776] <... futex resumed>)        = 0
[pid  1774] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1778] <... openat resumed>)       = 3
[pid  1777] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1776] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1774] exit_group(0 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1779 attached
 <unfinished ...>
[pid  1778] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1777] <... futex resumed>)        = ?
[pid  1774] <... exit_group resumed>)   = ?
[pid  1778] <... futex resumed>)        = 1
[pid  1779] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1777] +++ exited with 0 +++
[pid  1776] <... futex resumed>)        = 0
[pid  1779] <... set_robust_list resumed>) = 0
[pid  1779] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1778] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1774] +++ exited with 0 +++
[pid  1779] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1774, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1779] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 1780 attached
 <unfinished ...>
[pid  1779] <... prctl resumed>)        = 0
[pid  1778] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1776] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1779
[pid  1780] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1778] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1776] <... futex resumed>)        = 0
[pid  1780] <... set_robust_list resumed>) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1776] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1780
[pid  1780] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1780] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1778] <... write resumed>)        = 2
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1780] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1779] setpgid(0, 0 <unfinished ...>
[pid  1778] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1780] <... prctl resumed>)        = 0
[pid  1779] <... setpgid resumed>)      = 0
[pid  1780] setpgid(0, 0 <unfinished ...>
[pid  1779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1778] <... futex resumed>)        = 1
[pid  1776] <... futex resumed>)        = 0
[pid  1780] <... setpgid resumed>)      = 0
[pid  1779] <... openat resumed>)       = 3
[pid  1780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1779] write(3, "1000", 4 <unfinished ...>
[pid  1778] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1776] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1780] <... openat resumed>)       = 3
[pid  1779] <... write resumed>)        = 4
[pid  1776] <... futex resumed>)        = 0
[pid  1780] write(3, "1000", 4 <unfinished ...>
[pid  1779] close(3 <unfinished ...>
[pid  1778] <... openat resumed>)       = 4
[pid  1776] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1780] <... write resumed>)        = 4
[pid  1779] <... close resumed>)        = 0
[pid  1780] close(3 <unfinished ...>
executing program
[pid  1779] write(1, "executing program\n", 18 <unfinished ...>
[pid  1778] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1780] <... close resumed>)        = 0
[pid  1779] <... write resumed>)        = 18
[pid  1780] write(1, "executing program\n", 18 <unfinished ...>
[pid  1779] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1778] <... futex resumed>)        = 1
[pid  1776] <... futex resumed>)        = 0
[pid  1780] <... write resumed>)        = 18
[pid  1779] <... futex resumed>)        = 0
executing program
[pid  1779] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1780] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1779] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1778] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1776] exit_group(0 <unfinished ...>
[pid  1780] <... futex resumed>)        = 0
[pid  1779] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1780] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1778] <... futex resumed>)        = ?
[pid  1776] <... exit_group resumed>)   = ?
[pid  1780] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1778] +++ exited with 0 +++
[pid  1779] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1779] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1779] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1776] +++ exited with 0 +++
[pid  1780] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1779] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1776, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1780] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1779] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1780] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1779] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1781 attached
 <unfinished ...>
[pid  1780] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1781] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1780] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1781] <... set_robust_list resumed>) = 0
[pid  1780] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1779] <... clone3 resumed> => {parent_tid=[1781]}, 88) = 1781
ci2-android-6-12-rust/strace-static-x86_64: Process 1782 attached
[pid  1781] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1779] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1782] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1781] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1780] <... clone3 resumed> => {parent_tid=[1782]}, 88) = 1782
[pid  1779] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1782] <... set_robust_list resumed>) = 0
[pid  1781] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1780] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1779] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1782] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1781] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1780] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1779] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1783 attached
[pid  1782] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1781] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1780] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1779] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1783] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1782] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1781] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1780] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1783
[pid  1780] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1783] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1782] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1781] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1783] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1782] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1781] <... futex resumed>)        = 1
[pid  1779] <... futex resumed>)        = 0
[pid  1779] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1783] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1782] <... futex resumed>)        = 1
[pid  1781] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1780] <... futex resumed>)        = 0
[pid  1779] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  1783] <... prctl resumed>)        = 0
[pid  1782] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1781] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1780] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1779] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1783] setpgid(0, 0 <unfinished ...>
[pid  1782] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1781] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1780] <... futex resumed>)        = 0
[pid  1783] <... setpgid resumed>)      = 0
[pid  1782] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1781] <... futex resumed>)        = 1
[pid  1780] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1779] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1782] <... futex resumed>)        = 0
[pid  1781] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1780] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1779] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1782] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1781] <... openat resumed>)       = 3
[pid  1780] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1783] <... openat resumed>)       = 3
[pid  1782] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1781] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1780] <... futex resumed>)        = 0
[pid  1779] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1783] write(3, "1000", 4 <unfinished ...>
[pid  1782] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1781] <... futex resumed>)        = 0
[pid  1780] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1779] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1783] <... write resumed>)        = 4
[pid  1782] <... openat resumed>)       = 3
[pid  1781] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1779] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 1784 attached
[pid  1783] close(3 <unfinished ...>
[pid  1782] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1779] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1783] <... close resumed>)        = 0
[pid  1784] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1783] write(1, "executing program\n", 18 <unfinished ...>
[pid  1782] <... futex resumed>)        = 1
[pid  1780] <... futex resumed>)        = 0
[pid  1784] <... set_robust_list resumed>) = 0
[pid  1783] <... write resumed>)        = 18
[pid  1782] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1780] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1783] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1784] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1783] <... futex resumed>)        = 0
[pid  1782] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1781] <... futex resumed>)        = 0
[pid  1780] <... futex resumed>)        = 0
[pid  1779] <... futex resumed>)        = 1
executing program
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1784
[pid  1784] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1783] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1782] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1781] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1780] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1779] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1784] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1783] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1782] <... write resumed>)        = 2
[pid  1781] <... write resumed>)        = 2
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1784] <... prctl resumed>)        = 0
[pid  1783] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1782] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1781] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1784] setpgid(0, 0 <unfinished ...>
[pid  1783] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1782] <... futex resumed>)        = 1
[pid  1780] <... futex resumed>)        = 0
[pid  1781] <... futex resumed>)        = 1
[pid  1779] <... futex resumed>)        = 0
[pid  1784] <... setpgid resumed>)      = 0
[pid  1783] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1782] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1781] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1780] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1779] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1783] <... mmap resumed>)         = 0x7fb4de009000
[pid  1782] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1781] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1780] <... futex resumed>)        = 0
[pid  1779] <... futex resumed>)        = 0
[pid  1779] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1784] <... openat resumed>)       = 3
[pid  1783] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1782] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1781] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1780] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1784] write(3, "1000", 4 <unfinished ...>
[pid  1783] <... mprotect resumed>)     = 0
[pid  1782] <... openat resumed>)       = 4
[pid  1784] <... write resumed>)        = 4
[pid  1781] <... openat resumed>)       = 4
[pid  1783] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1784] close(3 <unfinished ...>
[pid  1782] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1781] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1784] <... close resumed>)        = 0
[pid  1783] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1782] <... futex resumed>)        = 1
[pid  1781] <... futex resumed>)        = 1
[pid  1780] <... futex resumed>)        = 0
[pid  1784] write(1, "executing program\n", 18 <unfinished ...>
[pid  1783] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1782] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1781] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1784] <... write resumed>)        = 18
executing program
[pid  1780] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 1785 attached
 <unfinished ...>
[pid  1784] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1782] <... futex resumed>)        = ?
[pid  1780] <... exit_group resumed>)   = ?
[pid  1779] <... futex resumed>)        = 0
[pid  1785] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1784] <... futex resumed>)        = 0
[pid  1782] +++ exited with 0 +++
[pid  1779] exit_group(0 <unfinished ...>
[pid  1785] <... set_robust_list resumed>) = 0
[pid  1784] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1783] <... clone3 resumed> => {parent_tid=[1785]}, 88) = 1785
[pid  1781] <... futex resumed>)        = ?
[pid  1779] <... exit_group resumed>)   = ?
[pid  1785] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1784] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1783] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1781] +++ exited with 0 +++
[pid  1780] +++ exited with 0 +++
[pid  1779] +++ exited with 0 +++
[pid  1785] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1784] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1783] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1785] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1784] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1783] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1785] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1784] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1780, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1783] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1779, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1785] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  1784] <... mmap resumed>)         = 0x7fb4de009000
[pid  1783] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1785] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1785] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1784] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1783] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1784] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1783] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1784] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1783] <... futex resumed>)        = 1
[pid  1785] <... futex resumed>)        = 0
[pid  1784] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1783] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1785] mount(NULL, "./tracefs_dir", "tracefs", 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 1786 attached
) = -1 EBUSY (Device or resource busy)
[pid  1784] <... clone3 resumed> => {parent_tid=[1786]}, 88) = 1786
[pid  1786] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1785] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1783] <... futex resumed>)        = 0
[pid  1783] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1783] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1785] <... futex resumed>)        = 1
[pid  1785] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  1786] <... set_robust_list resumed>) = 0
[pid  1784] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1785] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1786] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1785] <... futex resumed>)        = 1
[pid  1784] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1783] <... futex resumed>)        = 0
[pid  1786] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1785] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1784] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1783] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1786] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1785] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1784] <... futex resumed>)        = 0
[pid  1783] <... futex resumed>)        = 0
[pid  1785] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1783] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1786] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1785] <... write resumed>)        = 2
[pid  1784] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1786] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1784] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1786] <... futex resumed>)        = 0
[pid  1784] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1786] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1785] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1784] <... futex resumed>)        = 0
[pid  1783] <... futex resumed>)        = 0
[pid  1786] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1785] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1784] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1783] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1786] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1785] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1784] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1783] <... futex resumed>)        = 0
[pid  1786] <... futex resumed>)        = 0
[pid  1785] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1783] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1786] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1785] <... openat resumed>)       = 4
[pid  1784] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1786] <... openat resumed>)       = 3
[pid  1785] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1784] <... futex resumed>)        = 0
[pid  1786] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1784] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1786] <... futex resumed>)        = 0
[pid  1784] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... restart_syscall resumed>) = 0
[pid  1786] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1784] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1785] <... futex resumed>)        = 1
[pid  1783] <... futex resumed>)        = 0
[pid  1786] <... write resumed>)        = 2
[pid  1785] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1784] <... futex resumed>)        = 0
[pid  1783] exit_group(0 <unfinished ...>
[pid  1786] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1785] <... futex resumed>)        = ?
[pid  1784] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1783] <... exit_group resumed>)   = ?
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1786] <... futex resumed>)        = 0
[pid  1785] +++ exited with 0 +++
[pid  1784] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1783] +++ exited with 0 +++
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1786] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1784] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1786] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1784] <... futex resumed>)        = 0
[pid  1786] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1784] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1783, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1786] <... openat resumed>)       = 4
ci2-android-6-12-rust/strace-static-x86_64: Process 1787 attached
[pid  1786] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1788 attached
) = 1
[pid  1784] <... futex resumed>)        = 0
[pid  1788] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1787] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1786] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1787
[pid  1788] <... set_robust_list resumed>) = 0
[pid  1784] exit_group(0 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1788
[pid   313] <... restart_syscall resumed>) = 0
[pid  1787] <... set_robust_list resumed>) = 0
[pid  1786] <... futex resumed>)        = ?
[pid  1784] <... exit_group resumed>)   = ?
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1788] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1786] +++ exited with 0 +++
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1788] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1787] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1788] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1787] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1787] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1788] <... prctl resumed>)        = 0
[pid  1787] <... prctl resumed>)        = 0
[pid  1784] +++ exited with 0 +++
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1788] setpgid(0, 0 <unfinished ...>
[pid  1787] setpgid(0, 0 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1784, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1788] <... setpgid resumed>)      = 0
[pid  1787] <... setpgid resumed>)      = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 1789 attached
 <unfinished ...>
[pid  1789] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1789] <... set_robust_list resumed>) = 0
[pid  1788] <... openat resumed>)       = 3
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1789
[pid  1789] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1788] write(3, "1000", 4 <unfinished ...>
[pid  1787] <... openat resumed>)       = 3
[pid  1789] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1788] <... write resumed>)        = 4
[pid  1787] write(3, "1000", 4 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1789] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1788] close(3 <unfinished ...>
[pid  1787] <... write resumed>)        = 4
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1789] <... prctl resumed>)        = 0
[pid  1788] <... close resumed>)        = 0
[pid  1787] close(3 <unfinished ...>
[pid  1789] setpgid(0, 0)               = 0
[pid  1788] write(1, "executing program\n", 18 <unfinished ...>
[pid  1787] <... close resumed>)        = 0
[pid  1789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1788] <... write resumed>)        = 18
[pid  1787] write(1, "executing program\n", 18 <unfinished ...>
executing program
executing program
[pid  1788] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1789] <... openat resumed>)       = 3
[pid  1788] <... futex resumed>)        = 0
[pid  1787] <... write resumed>)        = 18
[pid  1789] write(3, "1000", 4 <unfinished ...>
[pid  1787] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1789] <... write resumed>)        = 4
[pid  1788] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1787] <... futex resumed>)        = 0
[pid  1789] close(3 <unfinished ...>
[pid  1788] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1787] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1789] <... close resumed>)        = 0
[pid  1787] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1789] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  1787] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1789] <... write resumed>)        = 18
[pid  1788] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1787] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1789] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1788] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1789] <... futex resumed>)        = 0
[pid  1788] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1789] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1788] <... mmap resumed>)         = 0x7fb4de009000
[pid  1789] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1788] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1787] <... mmap resumed>)         = 0x7fb4de009000
[pid  1789] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1788] <... mprotect resumed>)     = 0
[pid  1789] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1787] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1789] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1788] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1787] <... mprotect resumed>)     = 0
[pid  1789] <... mmap resumed>)         = 0x7fb4de009000
[pid  1789] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1788] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1787] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1789] <... mprotect resumed>)     = 0
[pid  1788] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1790 attached
 <unfinished ...>
[pid  1789] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1787] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1790] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1789] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1790] <... set_robust_list resumed>) = 0
[pid  1787] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1790] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1789] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1791 attached
 <unfinished ...>
[pid  1790] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1792 attached
[pid  1791] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1790] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1788] <... clone3 resumed> => {parent_tid=[1790]}, 88) = 1790
[pid  1792] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1791] <... set_robust_list resumed>) = 0
[pid  1789] <... clone3 resumed> => {parent_tid=[1792]}, 88) = 1792
[pid  1788] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1787] <... clone3 resumed> => {parent_tid=[1791]}, 88) = 1791
[pid  1792] <... set_robust_list resumed>) = 0
[pid  1791] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1789] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1788] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1792] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1791] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1789] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1788] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1787] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1792] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1791] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1790] <... futex resumed>)        = 0
[pid  1789] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1788] <... futex resumed>)        = 1
[pid  1792] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1789] <... futex resumed>)        = 0
[pid  1787] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1792] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1790] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1789] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1787] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1792] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1790] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1789] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1791] <... futex resumed>)        = 0
[pid  1787] <... futex resumed>)        = 1
[pid  1792] <... futex resumed>)        = 0
[pid  1791] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1790] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1789] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1788] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1787] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1792] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1791] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1790] <... futex resumed>)        = 0
[pid  1789] <... futex resumed>)        = 0
[pid  1788] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1792] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1791] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1790] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1789] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1788] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1792] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1791] <... futex resumed>)        = 1
[pid  1790] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1788] <... futex resumed>)        = 0
[pid  1787] <... futex resumed>)        = 0
[pid  1789] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1792] <... futex resumed>)        = 0
[pid  1791] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1790] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1788] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1789] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1787] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1792] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1791] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1790] <... futex resumed>)        = 0
[pid  1789] <... futex resumed>)        = 0
[pid  1788] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1787] <... futex resumed>)        = 0
[pid  1792] <... openat resumed>)       = 3
[pid  1791] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1790] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1789] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1788] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1787] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1792] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1791] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1790] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1789] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1788] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1788] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1792] <... futex resumed>)        = 0
[pid  1791] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1790] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1789] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1793 attached
 <unfinished ...>
[pid  1792] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1791] <... futex resumed>)        = 1
[pid  1787] <... futex resumed>)        = 0
[pid  1790] <... openat resumed>)       = 3
[pid  1792] <... write resumed>)        = 2
[pid  1791] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1789] <... futex resumed>)        = 0
[pid  1787] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1793] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1792] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1791] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1790] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1789] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1787] <... futex resumed>)        = 0
[pid  1793] <... set_robust_list resumed>) = 0
[pid  1792] <... futex resumed>)        = 0
[pid  1791] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1789] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1787] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1792] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1791] <... openat resumed>)       = 3
[pid  1790] <... futex resumed>)        = 1
[pid  1789] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1792] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1789] <... futex resumed>)        = 0
[pid  1792] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1791] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1790] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1789] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1793] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1791] <... futex resumed>)        = 1
[pid  1788] <... futex resumed>)        = 0
[pid  1787] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1793
[pid  1788] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1787] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1793] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1792] <... openat resumed>)       = 4
[pid  1791] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1790] <... futex resumed>)        = 0
[pid  1788] <... futex resumed>)        = 1
[pid  1787] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1793] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1792] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1791] <... write resumed>)        = 2
[pid  1790] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1788] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1787] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1792] <... futex resumed>)        = 1
[pid  1793] <... prctl resumed>)        = 0
[pid  1791] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1790] <... write resumed>)        = 2
[pid  1789] <... futex resumed>)        = 0
[pid  1787] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1793] setpgid(0, 0 <unfinished ...>
[pid  1792] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1791] <... futex resumed>)        = 0
[pid  1790] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1789] exit_group(0 <unfinished ...>
[pid  1791] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1788] <... futex resumed>)        = 0
[pid  1793] <... setpgid resumed>)      = 0
[pid  1792] <... futex resumed>)        = ?
[pid  1791] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1790] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1789] <... exit_group resumed>)   = ?
[pid  1788] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1787] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1792] +++ exited with 0 +++
[pid  1791] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1790] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1788] <... futex resumed>)        = 0
[pid  1787] <... futex resumed>)        = 0
[pid  1790] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1788] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1791] <... openat resumed>)       = 4
[pid  1790] <... openat resumed>)       = 4
[pid  1790] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1788] <... futex resumed>)        = 0
[pid  1788] exit_group(0)               = ?
[pid  1790] <... futex resumed>)        = ?
[pid  1790] +++ exited with 0 +++
[pid  1789] +++ exited with 0 +++
[pid  1788] +++ exited with 0 +++
[pid  1787] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1793] <... openat resumed>)       = 3
[pid  1791] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1787] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1789, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1793] write(3, "1000", 4 <unfinished ...>
[pid  1791] <... futex resumed>)        = 0
[pid  1787] exit_group(0 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1788, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1793] <... write resumed>)        = 4
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1787] <... exit_group resumed>)   = ?
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1791] +++ exited with 0 +++
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1793] close(3 <unfinished ...>
[pid  1787] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 1794 attached
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1793] <... close resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1795 attached
[pid  1793] write(1, "executing program\n", 18 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1787, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1794] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1793] <... write resumed>)        = 18
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1794
executing program
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1795
[pid  1795] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1794] <... set_robust_list resumed>) = 0
[pid  1793] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1795] <... set_robust_list resumed>) = 0
[pid  1794] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1795] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1794] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1793] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1795] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1794] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1793] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1795] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1794] <... prctl resumed>)        = 0
[pid  1793] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1794] setpgid(0, 0)               = 0
[pid  1794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1793] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1795] <... prctl resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1796 attached
[pid  1794] <... openat resumed>)       = 3
[pid  1796] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1794] write(3, "1000", 4 <unfinished ...>
[pid  1796] <... set_robust_list resumed>) = 0
[pid  1794] <... write resumed>)        = 4
[pid  1796] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1795] setpgid(0, 0 <unfinished ...>
executing program
[pid  1794] close(3 <unfinished ...>
[pid  1793] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1796
[pid  1795] <... setpgid resumed>)      = 0
[pid  1793] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1796] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1794] <... close resumed>)        = 0
[pid  1796] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1794] write(1, "executing program\n", 18 <unfinished ...>
[pid  1793] <... mmap resumed>)         = 0x7fb4de009000
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1796] <... prctl resumed>)        = 0
[pid  1795] <... openat resumed>)       = 3
[pid  1794] <... write resumed>)        = 18
[pid  1793] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1796] setpgid(0, 0 <unfinished ...>
[pid  1794] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1796] <... setpgid resumed>)      = 0
[pid  1793] <... mprotect resumed>)     = 0
[pid  1795] write(3, "1000", 4 <unfinished ...>
[pid  1796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1795] <... write resumed>)        = 4
[pid  1794] <... futex resumed>)        = 0
[pid  1793] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1796] <... openat resumed>)       = 3
[pid  1794] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1795] close(3 <unfinished ...>
[pid  1794] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1793] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1795] <... close resumed>)        = 0
[pid  1793] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1795] write(1, "executing program\n", 18 <unfinished ...>
[pid  1796] write(3, "1000", 4 <unfinished ...>
[pid  1794] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
ci2-android-6-12-rust/strace-static-x86_64: Process 1797 attached
[pid  1796] <... write resumed>)        = 4
[pid  1795] <... write resumed>)        = 18
[pid  1794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1797] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1796] close(3 <unfinished ...>
[pid  1795] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1794] <... mmap resumed>)         = 0x7fb4de009000
[pid  1793] <... clone3 resumed> => {parent_tid=[1797]}, 88) = 1797
[pid  1797] <... set_robust_list resumed>) = 0
[pid  1796] <... close resumed>)        = 0
[pid  1795] <... futex resumed>)        = 0
[pid  1794] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1793] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1797] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1796] write(1, "executing program\n", 18 <unfinished ...>
[pid  1795] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1794] <... mprotect resumed>)     = 0
executing program
[pid  1793] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1797] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1796] <... write resumed>)        = 18
[pid  1795] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1794] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1793] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1797] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1796] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1795] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1793] <... futex resumed>)        = 0
[pid  1797] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1796] <... futex resumed>)        = 0
[pid  1795] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1794] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1793] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1797] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1796] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1795] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1794] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1798 attached
 <unfinished ...>
[pid  1797] <... futex resumed>)        = 0
[pid  1796] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1795] <... mmap resumed>)         = 0x7fb4de009000
[pid  1793] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1797] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1796] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1795] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1793] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1798] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1797] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1796] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1794] <... clone3 resumed> => {parent_tid=[1798]}, 88) = 1798
[pid  1793] <... futex resumed>)        = 0
[pid  1797] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1796] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1795] <... mprotect resumed>)     = 0
[pid  1794] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1793] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1798] <... set_robust_list resumed>) = 0
[pid  1797] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1798] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1796] <... mmap resumed>)         = 0x7fb4de009000
[pid  1795] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1794] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1798] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1798] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1797] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1796] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1794] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1798] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1797] <... futex resumed>)        = 1
[pid  1796] <... mprotect resumed>)     = 0
[pid  1795] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1794] <... futex resumed>)        = 0
[pid  1793] <... futex resumed>)        = 0
[pid  1798] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1795] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1797] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1796] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1794] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1793] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1799 attached
 <unfinished ...>
[pid  1798] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1797] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1796] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1793] <... futex resumed>)        = 0
[pid  1799] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1798] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1797] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1796] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1795] <... clone3 resumed> => {parent_tid=[1799]}, 88) = 1799
[pid  1793] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1800 attached
 <unfinished ...>
[pid  1799] <... set_robust_list resumed>) = 0
[pid  1798] <... futex resumed>)        = 1
[pid  1797] <... openat resumed>)       = 3
[pid  1795] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1794] <... futex resumed>)        = 0
[pid  1800] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1799] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1798] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1797] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1795] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1800] <... set_robust_list resumed>) = 0
[pid  1799] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1797] <... futex resumed>)        = 1
[pid  1796] <... clone3 resumed> => {parent_tid=[1800]}, 88) = 1800
[pid  1795] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1794] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1793] <... futex resumed>)        = 0
[pid  1800] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1799] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1798] <... futex resumed>)        = 0
[pid  1797] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1796] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1795] <... futex resumed>)        = 0
[pid  1794] <... futex resumed>)        = 1
[pid  1793] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1800] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1799] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1798] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1797] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1796] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1795] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1794] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1793] <... futex resumed>)        = 0
[pid  1800] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1799] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1798] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1797] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1796] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1795] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1793] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1800] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1799] <... futex resumed>)        = 0
[pid  1798] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1797] <... write resumed>)        = 2
[pid  1796] <... futex resumed>)        = 0
[pid  1799] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1795] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1800] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1798] <... futex resumed>)        = 1
[pid  1797] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1796] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1794] <... futex resumed>)        = 0
[pid  1800] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1799] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1798] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1797] <... futex resumed>)        = 1
[pid  1795] <... futex resumed>)        = 0
[pid  1793] <... futex resumed>)        = 0
[pid  1800] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1799] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1797] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1794] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1793] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1800] <... futex resumed>)        = 1
[pid  1799] <... futex resumed>)        = 0
[pid  1798] <... futex resumed>)        = 0
[pid  1797] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1796] <... futex resumed>)        = 0
[pid  1795] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1794] <... futex resumed>)        = 1
[pid  1793] <... futex resumed>)        = 0
[pid  1800] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1799] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1798] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1797] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1796] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1794] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1793] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1800] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1798] <... openat resumed>)       = 3
[pid  1797] <... openat resumed>)       = 4
[pid  1796] <... futex resumed>)        = 0
[pid  1795] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1800] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1798] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1797] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1796] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1795] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1800] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1799] <... futex resumed>)        = 0
[pid  1798] <... futex resumed>)        = 1
[pid  1797] <... futex resumed>)        = 1
[pid  1795] <... futex resumed>)        = 1
[pid  1794] <... futex resumed>)        = 0
[pid  1793] <... futex resumed>)        = 0
[pid  1800] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1799] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1798] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1797] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1795] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1794] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1793] exit_group(0 <unfinished ...>
[pid  1800] <... futex resumed>)        = 1
[pid  1799] <... openat resumed>)       = 3
[pid  1798] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1796] <... futex resumed>)        = 0
[pid  1794] <... futex resumed>)        = 0
[pid  1793] <... exit_group resumed>)   = ?
[pid  1800] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1799] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1798] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1794] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1799] <... futex resumed>)        = 1
[pid  1798] <... write resumed>)        = 2
[pid  1795] <... futex resumed>)        = 0
[pid  1799] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1798] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1799] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1795] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1799] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1798] <... futex resumed>)        = 1
[pid  1795] <... futex resumed>)        = 0
[pid  1794] <... futex resumed>)        = 0
[pid  1799] <... write resumed>)        = 2
[pid  1798] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1795] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1794] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1799] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1798] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1795] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1794] <... futex resumed>)        = 0
[pid  1799] <... futex resumed>)        = 0
[pid  1798] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1795] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1794] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1799] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid  1798] <... openat resumed>)       = 4
[pid  1797] <... futex resumed>)        = ?
[pid  1796] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1795] <... futex resumed>)        = 0
[pid  1800] <... futex resumed>)        = 0
[pid  1799] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1798] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1797] +++ exited with 0 +++
[pid  1796] <... futex resumed>)        = 1
[pid  1795] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1793] +++ exited with 0 +++
[pid  1800] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1799] <... futex resumed>)        = 0
[pid  1796] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1793, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1800] <... openat resumed>)       = 3
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1800] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1796] <... futex resumed>)        = 0
[pid  1800] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1796] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1800] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1796] <... futex resumed>)        = 0
[pid  1800] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1796] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1800] <... write resumed>)        = 2
[pid  1800] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1796] <... futex resumed>)        = 0
[pid  1800] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1796] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1800] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1796] <... futex resumed>)        = 0
[pid  1800] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1796] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1800] <... openat resumed>)       = 4
[pid  1799] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1798] <... futex resumed>)        = 1
[pid  1795] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1794] <... futex resumed>)        = 0
[pid  1800] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1796] <... futex resumed>)        = 0
[pid  1800] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1796] exit_group(0 <unfinished ...>
[pid  1794] exit_group(0 <unfinished ...>
[pid  1800] <... futex resumed>)        = ?
[pid  1796] <... exit_group resumed>)   = ?
[pid  1795] exit_group(0 <unfinished ...>
[pid  1794] <... exit_group resumed>)   = ?
[pid  1800] +++ exited with 0 +++
[pid  1799] <... futex resumed>)        = ?
[pid  1796] +++ exited with 0 +++
[pid  1795] <... exit_group resumed>)   = ?
[pid  1799] +++ exited with 0 +++
[pid  1798] +++ exited with 0 +++
[pid  1795] +++ exited with 0 +++
[pid  1794] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1796, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1794, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1795, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1801 attached
 <unfinished ...>
[pid  1801] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1801] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1801
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1801] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1801] setpgid(0, 0)               = 0
[pid  1801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1801] <... openat resumed>)       = 3
[pid  1801] write(3, "1000", 4)         = 4
[pid  1801] close(3 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1801] <... close resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1801] write(1, "executing program\n", 18 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1801] <... write resumed>)        = 18
ci2-android-6-12-rust/strace-static-x86_64: Process 1802 attached
[pid  1801] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1801] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
executing program
[pid  1802] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1801] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1802] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1801] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   313] <... restart_syscall resumed>) = 0
[pid  1801] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1802
[pid  1801] <... mprotect resumed>)     = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1801] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1801] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1801] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1804 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1803 attached
 <unfinished ...>
[pid  1802] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1801] <... clone3 resumed> => {parent_tid=[1803]}, 88) = 1803
[pid  1804] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1802] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1804
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1804] <... set_robust_list resumed>) = 0
[pid  1803] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1802] <... prctl resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1804] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1803] <... set_robust_list resumed>) = 0
[pid  1802] setpgid(0, 0 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1804] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1803] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1802] <... setpgid resumed>)      = 0
[pid  1804] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1803] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1801] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1804] <... prctl resumed>)        = 0
[pid  1803] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1801] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1805 attached
 <unfinished ...>
[pid  1804] setpgid(0, 0 <unfinished ...>
[pid  1803] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1802] <... openat resumed>)       = 3
[pid  1801] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1805] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1804] <... setpgid resumed>)      = 0
[pid  1803] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1802] write(3, "1000", 4 <unfinished ...>
[pid  1801] <... futex resumed>)        = 0
[pid  1805] <... set_robust_list resumed>) = 0
[pid  1804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1803] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1802] <... write resumed>)        = 4
[pid  1801] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1805
[pid  1805] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1803] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1802] close(3 <unfinished ...>
[pid  1805] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1805] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1804] <... openat resumed>)       = 3
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1803] <... futex resumed>)        = 1
[pid  1801] <... futex resumed>)        = 0
[pid  1805] <... prctl resumed>)        = 0
[pid  1802] <... close resumed>)        = 0
[pid  1801] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1805] setpgid(0, 0 <unfinished ...>
[pid  1801] <... futex resumed>)        = 0
[pid  1805] <... setpgid resumed>)      = 0
[pid  1801] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1803] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1802] write(1, "executing program\n", 18 <unfinished ...>
[pid  1804] write(3, "1000", 4 <unfinished ...>
[pid  1805] <... openat resumed>)       = 3
[pid  1803] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1805] write(3, "1000", 4 <unfinished ...>
[pid  1804] <... write resumed>)        = 4
[pid  1802] <... write resumed>)        = 18
[pid  1805] <... write resumed>)        = 4
[pid  1804] close(3 <unfinished ...>
[pid  1805] close(3 <unfinished ...>
[pid  1803] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1802] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1805] <... close resumed>)        = 0
[pid  1804] <... close resumed>)        = 0
[pid  1802] <... futex resumed>)        = 0
[pid  1805] write(1, "executing program\n", 18 <unfinished ...>
[pid  1804] write(1, "executing program\n", 18 <unfinished ...>
[pid  1803] <... futex resumed>)        = 1
executing program
executing program
[pid  1802] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1801] <... futex resumed>)        = 0
[pid  1805] <... write resumed>)        = 18
executing program
[pid  1804] <... write resumed>)        = 18
[pid  1803] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1802] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1801] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1805] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1804] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1803] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1801] <... futex resumed>)        = 0
[pid  1805] <... futex resumed>)        = 0
[pid  1804] <... futex resumed>)        = 0
[pid  1803] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1802] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1801] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1805] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1804] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1803] <... openat resumed>)       = 3
[pid  1802] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1805] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1805] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1803] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1804] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1802] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1805] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1801] <... futex resumed>)        = 0
[pid  1804] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1802] <... mmap resumed>)         = 0x7fb4de009000
[pid  1804] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1802] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1805] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1803] <... futex resumed>)        = 1
[pid  1801] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1805] <... mmap resumed>)         = 0x7fb4de009000
[pid  1804] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1803] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1802] <... mprotect resumed>)     = 0
[pid  1801] <... futex resumed>)        = 0
[pid  1805] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1804] <... mmap resumed>)         = 0x7fb4de009000
[pid  1803] <... write resumed>)        = 2
[pid  1802] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1801] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1805] <... mprotect resumed>)     = 0
[pid  1804] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1803] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1802] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1801] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1805] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1804] <... mprotect resumed>)     = 0
[pid  1803] <... futex resumed>)        = 0
[pid  1802] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1801] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1805] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1804] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1805] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1804] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1801] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1807 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1806 attached
[pid  1804] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1803] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1801] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1807] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1806] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1807] <... set_robust_list resumed>) = 0
[pid  1806] <... set_robust_list resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1808 attached
[pid  1807] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1806] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1802] <... clone3 resumed> => {parent_tid=[1807]}, 88) = 1807
[pid  1808] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1807] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1806] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1803] <... openat resumed>)       = 4
[pid  1808] <... set_robust_list resumed>) = 0
[pid  1807] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1806] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1808] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1808] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1805] <... clone3 resumed> => {parent_tid=[1806]}, 88) = 1806
[pid  1805] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1804] <... clone3 resumed> => {parent_tid=[1808]}, 88) = 1808
[pid  1803] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1802] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1804] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1803] <... futex resumed>)        = 1
[pid  1802] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1801] <... futex resumed>)        = 0
[pid  1804] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1803] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1804] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1801] exit_group(0 <unfinished ...>
[pid  1804] <... futex resumed>)        = 1
[pid  1802] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1803] <... futex resumed>)        = ?
[pid  1801] <... exit_group resumed>)   = ?
[pid  1802] <... futex resumed>)        = 1
[pid  1804] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1803] +++ exited with 0 +++
[pid  1802] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1808] <... futex resumed>)        = 0
[pid  1807] <... futex resumed>)        = 0
[pid  1805] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1808] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1807] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1806] <... futex resumed>)        = 0
[pid  1805] <... futex resumed>)        = 1
[pid  1808] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1807] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1806] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1805] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1808] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1807] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1806] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1802] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1801] +++ exited with 0 +++
[pid  1808] <... futex resumed>)        = 1
[pid  1807] <... futex resumed>)        = 0
[pid  1804] <... futex resumed>)        = 0
[pid  1802] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1807] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1808] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1807] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1804] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1802] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1801, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1808] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1807] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1806] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1804] <... futex resumed>)        = 0
[pid  1802] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1808] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1807] <... futex resumed>)        = 0
[pid  1806] <... futex resumed>)        = 1
[pid  1805] <... futex resumed>)        = 0
[pid  1804] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1802] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1808] <... futex resumed>)        = 0
[pid  1807] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1806] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1805] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1808] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1806] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1805] <... futex resumed>)        = 0
[pid  1804] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1802] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1806] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1805] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1804] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1807] <... futex resumed>)        = 0
[pid  1806] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1802] <... futex resumed>)        = 1
[pid  1808] <... futex resumed>)        = 0
[pid  1807] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1804] <... futex resumed>)        = 1
[pid  1802] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1808] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1807] <... openat resumed>)       = 3
[pid  1806] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1804] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1808] <... openat resumed>)       = 3
[pid  1807] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1806] <... futex resumed>)        = 1
[pid  1805] <... futex resumed>)        = 0
[pid  1808] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1807] <... futex resumed>)        = 1
[pid  1806] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1805] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1802] <... futex resumed>)        = 0
[pid  1808] <... futex resumed>)        = 1
[pid  1807] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1806] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1805] <... futex resumed>)        = 0
[pid  1804] <... futex resumed>)        = 0
[pid  1802] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1808] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1807] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1806] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1805] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1804] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1802] <... futex resumed>)        = 0
[pid  1808] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1807] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1806] <... openat resumed>)       = 3
[pid  1804] <... futex resumed>)        = 0
[pid  1802] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1804] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1808] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1807] <... write resumed>)        = 2
[pid  1806] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1808] <... write resumed>)        = 2
[pid  1807] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1806] <... futex resumed>)        = 1
[pid  1805] <... futex resumed>)        = 0
[pid  1808] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1807] <... futex resumed>)        = 1
[pid  1806] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1805] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1808] <... futex resumed>)        = 1
[pid  1807] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1806] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1805] <... futex resumed>)        = 0
[pid  1804] <... futex resumed>)        = 0
[pid  1802] <... futex resumed>)        = 0
[pid  1808] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1806] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1805] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1804] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1802] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1808] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1806] <... write resumed>)        = 2
[pid  1804] <... futex resumed>)        = 0
[pid  1808] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1807] <... futex resumed>)        = 0
[pid  1806] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1802] <... futex resumed>)        = 1
[pid  1808] <... openat resumed>)       = 4
[pid  1807] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1805] <... futex resumed>)        = 0
[pid  1804] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1802] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1808] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1807] <... openat resumed>)       = 4
[pid  1806] <... futex resumed>)        = 1
[pid  1805] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1804] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1808] <... futex resumed>)        = 0
[pid  1806] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1805] <... futex resumed>)        = 0
[pid  1808] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1807] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1806] <... openat resumed>)       = 4
[pid  1805] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1804] exit_group(0 <unfinished ...>
[pid  1807] <... futex resumed>)        = 1
[pid  1802] <... futex resumed>)        = 0
[pid  1808] <... futex resumed>)        = ?
[pid  1807] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1806] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1804] <... exit_group resumed>)   = ?
[pid  1808] +++ exited with 0 +++
[pid  1806] <... futex resumed>)        = 1
[pid  1805] <... futex resumed>)        = 0
[pid  1802] exit_group(0 <unfinished ...>
[pid  1806] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1805] exit_group(0 <unfinished ...>
[pid  1806] <... futex resumed>)        = ?
[pid  1805] <... exit_group resumed>)   = ?
[pid  1806] +++ exited with 0 +++
[pid  1805] +++ exited with 0 +++
[pid  1804] +++ exited with 0 +++
[pid  1802] <... exit_group resumed>)   = ?
[pid   315] <... restart_syscall resumed>) = 0
[pid  1807] <... futex resumed>)        = ?
[pid  1807] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1804, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1805, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 1809 attached
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1802] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1802, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1809] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1809] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1809
[pid  1809] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1809] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1809] <... prctl resumed>)        = 0
[pid  1809] setpgid(0, 0)               = 0
[pid  1809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1809] write(3, "1000", 4)         = 4
[pid  1809] close(3)                    = 0
[pid   314] <... restart_syscall resumed>) = 0
executing program
[pid  1809] write(1, "executing program\n", 18) = 18
[pid  1809] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1809] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1809] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1809] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1809] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITEci2-android-6-12-rust/strace-static-x86_64: Process 1810 attached
) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1810
[pid  1810] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1810] <... set_robust_list resumed>) = 0
[pid  1809] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1810] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1809] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1810] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1811 attached
[pid  1809] <... clone3 resumed> => {parent_tid=[1811]}, 88) = 1811
[pid  1809] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1809] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1809] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1810] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1810] setpgid(0, 0)               = 0
[pid  1811] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1811] <... set_robust_list resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1811] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1811] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1810] <... openat resumed>)       = 3
[pid  1810] write(3, "1000", 4)         = 4
[pid  1810] close(3)                    = 0
[pid  1810] write(1, "executing program\n", 18) = 18
[pid  1810] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1810] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}ci2-android-6-12-rust/strace-static-x86_64: Process 1812 attached
 <unfinished ...>
[pid  1811] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1810] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1812] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1811] <... mkdirat resumed>)      = -1 EEXIST (File exists)
executing program
[pid  1810] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1812] <... set_robust_list resumed>) = 0
[pid  1811] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1810] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1812
[pid  1811] <... futex resumed>)        = 1
[pid   312] <... restart_syscall resumed>) = 0
[pid  1811] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1812] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1809] <... futex resumed>)        = 0
[pid  1812] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1810] <... mmap resumed>)         = 0x7fb4de009000
[pid  1809] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1812] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1810] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1809] <... futex resumed>)        = 1
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1812] <... prctl resumed>)        = 0
[pid  1811] <... futex resumed>)        = 0
[pid  1810] <... mprotect resumed>)     = 0
[pid  1809] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1812] setpgid(0, 0 <unfinished ...>
[pid  1811] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1810] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1812] <... setpgid resumed>)      = 0
[pid  1812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1811] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1810] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1812] <... openat resumed>)       = 3
[pid  1811] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1810] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1811] <... futex resumed>)        = 1
[pid  1809] <... futex resumed>)        = 0
[pid  1809] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1812] write(3, "1000", 4 <unfinished ...>
[pid  1809] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1813 attached
[pid  1812] <... write resumed>)        = 4
[pid  1811] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1809] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1812] close(3)                    = 0
[pid  1812] write(1, "executing program\n", 18 <unfinished ...>
[pid  1810] <... clone3 resumed> => {parent_tid=[1813]}, 88) = 1813
[pid  1812] <... write resumed>)        = 18
executing program
[pid  1810] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1812] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1810] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1812] <... futex resumed>)        = 0
[pid  1810] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1812] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1810] <... futex resumed>)        = 0
[pid  1812] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1812] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1810] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1812] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
ci2-android-6-12-rust/strace-static-x86_64: Process 1814 attached
[pid  1811] <... openat resumed>)       = 3
[pid  1813] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1811] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1813] <... set_robust_list resumed>) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1814
[pid  1814] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1813] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1812] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1811] <... futex resumed>)        = 1
[pid  1809] <... futex resumed>)        = 0
[pid  1814] <... set_robust_list resumed>) = 0
[pid  1813] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1812] <... mprotect resumed>)     = 0
[pid  1809] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1814] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1813] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1812] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1811] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1809] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1814] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1813] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1812] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1811] <... write resumed>)        = 2
[pid  1809] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1814] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1813] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1812] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1811] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1809] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 1815 attached
[pid  1814] <... prctl resumed>)        = 0
[pid  1813] <... futex resumed>)        = 1
[pid  1811] <... futex resumed>)        = 0
[pid  1810] <... futex resumed>)        = 0
[pid  1809] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1815] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1813] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1811] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1814] setpgid(0, 0 <unfinished ...>
[pid  1812] <... clone3 resumed> => {parent_tid=[1815]}, 88) = 1815
[pid  1810] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1809] <... futex resumed>)        = 0
[pid  1815] <... set_robust_list resumed>) = 0
[pid  1814] <... setpgid resumed>)      = 0
[pid  1813] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1812] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1811] <... openat resumed>)       = 4
[pid  1810] <... futex resumed>)        = 0
[pid  1809] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1815] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1813] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1812] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1811] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1810] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1809] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1815] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1814] <... openat resumed>)       = 3
[pid  1813] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1812] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1811] <... futex resumed>)        = 0
[pid  1809] exit_group(0 <unfinished ...>
[pid  1815] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1811] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1814] write(3, "1000", 4 <unfinished ...>
[pid  1812] <... futex resumed>)        = 0
[pid  1809] <... exit_group resumed>)   = ?
[pid  1814] <... write resumed>)        = 4
[pid  1812] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1814] close(3)                    = 0
[pid  1814] write(1, "executing program\n", 18) = 18
executing program
[pid  1814] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1813] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1815] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1811] <... futex resumed>)        = ?
[pid  1815] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1814] <... futex resumed>)        = 0
[pid  1813] <... futex resumed>)        = 1
[pid  1810] <... futex resumed>)        = 0
[pid  1814] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1810] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1814] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1810] <... futex resumed>)        = 0
[pid  1814] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1810] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1814] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1814] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1814] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1814] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1814] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1811] +++ exited with 0 +++
[pid  1809] +++ exited with 0 +++
[pid  1813] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1815] <... futex resumed>)        = 1
[pid  1813] <... openat resumed>)       = 3
[pid  1812] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1809, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 1816 attached
[pid  1815] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1814] <... clone3 resumed> => {parent_tid=[1816]}, 88) = 1816
[pid  1813] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1812] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1814] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1812] <... futex resumed>)        = 0
[pid  1813] <... futex resumed>)        = 1
[pid  1810] <... futex resumed>)        = 0
[pid  1815] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1815] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1814] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1813] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1812] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1810] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1816] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1814] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1813] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1816] <... set_robust_list resumed>) = 0
[pid  1814] <... futex resumed>)        = 0
[pid  1813] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1810] <... futex resumed>)        = 0
[pid  1814] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1810] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1815] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1815] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1812] <... futex resumed>)        = 0
[pid  1815] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1812] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1815] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1812] <... futex resumed>)        = 0
[pid  1815] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1812] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1815] <... openat resumed>)       = 3
[pid  1815] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1812] <... futex resumed>)        = 0
[pid  1815] <... futex resumed>)        = 1
[pid  1812] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1815] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1812] <... futex resumed>)        = 0
[pid  1815] <... write resumed>)        = 2
[pid  1812] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1815] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1812] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1815] <... futex resumed>)        = 0
[pid  1812] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1815] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid  1812] <... futex resumed>)        = 0
[pid  1816] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1813] <... write resumed>)        = 2
[pid  1816] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1813] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1816] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1815] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1813] <... futex resumed>)        = 1
[pid  1812] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1810] <... futex resumed>)        = 0
[pid  1816] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1815] <... futex resumed>)        = 0
[pid  1813] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1812] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1810] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1816] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1815] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1813] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1812] exit_group(0 <unfinished ...>
[pid  1810] <... futex resumed>)        = 0
[pid  1816] <... futex resumed>)        = 1
[pid  1815] <... futex resumed>)        = ?
[pid  1814] <... futex resumed>)        = 0
[pid  1813] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1812] <... exit_group resumed>)   = ?
[pid  1810] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1816] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1815] +++ exited with 0 +++
[pid  1814] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1813] <... openat resumed>)       = 4
[pid  1812] +++ exited with 0 +++
[pid  1814] <... futex resumed>)        = 0
[pid  1814] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1816] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1813] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1812, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1816] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1814] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1813] <... futex resumed>)        = 1
[pid  1810] <... futex resumed>)        = 0
[pid  1816] <... futex resumed>)        = 0
[pid  1814] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1813] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1810] exit_group(0 <unfinished ...>
[pid  1814] <... futex resumed>)        = 0
[pid  1810] <... exit_group resumed>)   = ?
[pid  1816] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1814] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1813] <... futex resumed>)        = ?
[pid  1816] <... openat resumed>)       = 3
[pid  1816] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1816] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1814] <... futex resumed>)        = 0
[pid  1814] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1816] <... futex resumed>)        = 0
[pid  1814] <... futex resumed>)        = 1
[pid  1816] write(3, "\x38\x00", 2)     = 2
[pid  1814] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1813] +++ exited with 0 +++
[pid  1810] +++ exited with 0 +++
[pid  1816] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1810, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1816] <... futex resumed>)        = 1
[pid  1816] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1814] <... futex resumed>)        = 0
[pid  1814] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1816] <... futex resumed>)        = 0
[pid  1816] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1814] <... futex resumed>)        = 1
[pid  1816] <... openat resumed>)       = 4
[pid  1814] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1816] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1814] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1816] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  1816] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1814] exit_group(0 <unfinished ...>
[pid  1816] <... futex resumed>)        = ?
[pid  1814] <... exit_group resumed>)   = ?
[pid  1816] +++ exited with 0 +++
[pid  1814] +++ exited with 0 +++
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1814, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 1817 attached
 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1817
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1817] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1817] <... set_robust_list resumed>) = 0
[pid  1817] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1817] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1817] <... prctl resumed>)        = 0
[pid  1817] setpgid(0, 0)               = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1818
[pid   314] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1818 attached
 <unfinished ...>
[pid  1817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1818] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1818] <... set_robust_list resumed>) = 0
[pid  1818] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1817] <... openat resumed>)       = 3
[pid  1817] write(3, "1000", 4 <unfinished ...>
[pid  1818] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1817] <... write resumed>)        = 4
[pid  1818] <... prctl resumed>)        = 0
[pid  1817] close(3 <unfinished ...>
[pid  1818] setpgid(0, 0 <unfinished ...>
[pid  1817] <... close resumed>)        = 0
[pid  1818] <... setpgid resumed>)      = 0
[pid  1818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1817] write(1, "executing program\n", 18 <unfinished ...>
[pid  1818] <... openat resumed>)       = 3
[pid  1817] <... write resumed>)        = 18
[pid  1818] write(3, "1000", 4 <unfinished ...>
executing program
[pid  1817] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1818] <... write resumed>)        = 4
[pid  1817] <... futex resumed>)        = 0
[pid  1818] close(3)                    = 0
executing program
[pid  1817] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1818] write(1, "executing program\n", 18 <unfinished ...>
[pid  1817] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1818] <... write resumed>)        = 18
[pid  1818] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1817] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1818] <... futex resumed>)        = 0
[pid  1817] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1818] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1817] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1818] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1817] <... mmap resumed>)         = 0x7fb4de009000
[pid  1818] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1817] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1818] <... mprotect resumed>)     = 0
[pid  1817] <... mprotect resumed>)     = 0
[pid  1818] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1817] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1818] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1817] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1819 attached
[pid  1818] <... clone3 resumed> => {parent_tid=[1819]}, 88) = 1819
[pid  1817] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1819] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1818] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1819] <... set_robust_list resumed>) = 0
[pid  1819] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1820 attached
 <unfinished ...>
[pid  1818] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1820] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1818] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1820] <... set_robust_list resumed>) = 0
[pid  1820] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1818] <... futex resumed>)        = 0
[pid  1820] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1818] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1820] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1817] <... clone3 resumed> => {parent_tid=[1820]}, 88) = 1820
[pid  1817] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1817] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1820] <... futex resumed>)        = 0
[pid  1820] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1817] <... futex resumed>)        = 1
[pid  1817] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1820] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1820] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1817] <... futex resumed>)        = 0
[pid  1820] <... futex resumed>)        = 1
[pid  1817] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1820] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1817] <... futex resumed>)        = 0
[pid  1820] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1819] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1817] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1820] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1819] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1820] <... futex resumed>)        = 1
[pid  1817] <... futex resumed>)        = 0
[pid  1820] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1819] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1820] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1819] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1817] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1820] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1819] <... futex resumed>)        = 1
[pid  1818] <... futex resumed>)        = 0
[pid  1817] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1820] <... openat resumed>)       = 3
[pid  1818] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1817] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1820] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1819] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1818] <... futex resumed>)        = 0
[pid  1817] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1820] <... futex resumed>)        = 0
[pid  1818] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1817] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1820] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1817] <... futex resumed>)        = 0
[pid  1820] <... write resumed>)        = 2
[pid  1820] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1817] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1820] <... futex resumed>)        = 0
[pid  1817] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1820] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1817] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1821 attached
 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1821
[pid  1820] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1817] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1820] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1817] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1821] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1820] <... openat resumed>)       = 4
[pid  1819] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1820] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1817] <... futex resumed>)        = 0
[pid  1820] <... futex resumed>)        = 1
[pid  1817] exit_group(0 <unfinished ...>
[pid  1820] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid  1817] <... exit_group resumed>)   = ?
[pid  1820] +++ exited with 0 +++
[pid  1821] <... set_robust_list resumed>) = 0
[pid  1819] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1817] +++ exited with 0 +++
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1821] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1819] <... futex resumed>)        = 1
[pid  1821] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1818] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1819] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1818] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1818] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1822 attached
 <unfinished ...>
[pid  1821] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1819] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1817, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1819] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1822
[pid  1822] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1822] <... set_robust_list resumed>) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1822] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1821] <... prctl resumed>)        = 0
[pid  1819] <... openat resumed>)       = 3
[pid  1822] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1821] setpgid(0, 0 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1821] <... setpgid resumed>)      = 0
[pid  1819] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1822] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1821] <... openat resumed>)       = 3
[pid  1821] write(3, "1000", 4)         = 4
[pid  1821] close(3)                    = 0
[pid  1821] write(1, "executing program\n", 18) = 18
executing program
[pid  1821] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1821] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1821] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1823 attached
 <unfinished ...>
[pid  1822] <... prctl resumed>)        = 0
[pid  1821] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1819] <... futex resumed>)        = 1
[pid  1818] <... futex resumed>)        = 0
[pid  1822] setpgid(0, 0 <unfinished ...>
[pid  1821] <... mmap resumed>)         = 0x7fb4de009000
[pid  1819] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1822] <... setpgid resumed>)      = 0
[pid  1823] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1821] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1818] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1823
[pid  1823] <... set_robust_list resumed>) = 0
[pid  1822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1821] <... mprotect resumed>)     = 0
[pid  1819] <... futex resumed>)        = 0
[pid  1818] <... futex resumed>)        = 1
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1823] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1821] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1819] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1818] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1823] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1822] <... openat resumed>)       = 3
[pid  1821] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1819] <... write resumed>)        = 2
[pid  1822] write(3, "1000", 4 <unfinished ...>
[pid  1821] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1819] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1824 attached
 <unfinished ...>
[pid  1822] <... write resumed>)        = 4
[pid  1819] <... futex resumed>)        = 1
[pid  1818] <... futex resumed>)        = 0
[pid  1824] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1823] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1822] close(3 <unfinished ...>
[pid  1821] <... clone3 resumed> => {parent_tid=[1824]}, 88) = 1824
[pid  1819] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1818] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1824] <... set_robust_list resumed>) = 0
[pid  1823] <... prctl resumed>)        = 0
[pid  1822] <... close resumed>)        = 0
[pid  1821] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1819] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1818] <... futex resumed>)        = 0
[pid  1824] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1823] setpgid(0, 0 <unfinished ...>
[pid  1822] write(1, "executing program\n", 18 <unfinished ...>
[pid  1821] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  1819] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1818] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1824] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1823] <... setpgid resumed>)      = 0
[pid  1822] <... write resumed>)        = 18
[pid  1821] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1819] <... openat resumed>)       = 4
[pid  1824] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1822] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1821] <... futex resumed>)        = 0
[pid  1819] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1824] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1822] <... futex resumed>)        = 0
[pid  1821] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1819] <... futex resumed>)        = 1
[pid  1818] <... futex resumed>)        = 0
[pid  1824] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1822] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1823] <... openat resumed>)       = 3
[pid  1821] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1819] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1818] exit_group(0 <unfinished ...>
[pid  1824] <... futex resumed>)        = 0
[pid  1822] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1821] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1819] <... futex resumed>)        = ?
[pid  1818] <... exit_group resumed>)   = ?
[pid  1824] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1823] write(3, "1000", 4 <unfinished ...>
[pid  1822] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1821] <... futex resumed>)        = 0
[pid  1819] +++ exited with 0 +++
[pid  1818] +++ exited with 0 +++
[pid  1824] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1823] <... write resumed>)        = 4
[pid  1822] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1821] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1823] close(3 <unfinished ...>
[pid  1822] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1824] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1821] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1824] <... futex resumed>)        = 0
[pid  1821] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1824] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1823] <... close resumed>)        = 0
[pid  1822] <... mmap resumed>)         = 0x7fb4de009000
[pid  1821] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1818, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1824] <... openat resumed>)       = 3
[pid  1823] write(1, "executing program\n", 18 <unfinished ...>
[pid  1822] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1821] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1824] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1823] <... write resumed>)        = 18
[pid  1822] <... mprotect resumed>)     = 0
[pid  1821] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1824] <... futex resumed>)        = 0
[pid  1821] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1824] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1823] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1822] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1821] <... futex resumed>)        = 0
[pid  1824] <... write resumed>)        = 2
[pid  1823] <... futex resumed>)        = 0
[pid  1822] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1821] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1824] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1823] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1822] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1824] <... futex resumed>)        = 1
[pid  1821] <... futex resumed>)        = 0
[pid  1824] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1821] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1824] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1821] <... futex resumed>)        = 0
[pid  1824] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1821] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1823] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1823] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 1825 attached
 <unfinished ...>
[pid  1824] <... openat resumed>)       = 4
[pid  1823] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1822] <... clone3 resumed> => {parent_tid=[1825]}, 88) = 1825
[pid  1825] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1824] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1825] <... set_robust_list resumed>) = 0
[pid  1823] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1822] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1825] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1824] <... futex resumed>)        = 1
[pid  1822] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1821] <... futex resumed>)        = 0
[pid  1823] <... mmap resumed>)         = 0x7fb4de009000
[pid  1825] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1824] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1822] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1821] exit_group(0 <unfinished ...>
[pid  1825] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1824] <... futex resumed>)        = ?
[pid  1823] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1822] <... futex resumed>)        = 0
[pid  1821] <... exit_group resumed>)   = ?
[pid  1825] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1824] +++ exited with 0 +++
[pid  1823] <... mprotect resumed>)     = 0
[pid  1822] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1821] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1821, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1825] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1823] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1825] <... futex resumed>)        = 1
[pid  1822] <... futex resumed>)        = 0
[pid  1825] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1822] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1825] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1823] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1825] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1822] <... futex resumed>)        = 0
[pid  1823] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1825] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1822] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1825] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1822] <... futex resumed>)        = 0
[pid  1825] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1822] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1825] <... openat resumed>)       = 3
[pid  1822] <... futex resumed>)        = 0
[pid  1825] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1822] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1825] <... futex resumed>)        = 0
[pid  1822] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1825] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  1822] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1825] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1822] <... futex resumed>)        = 0
[pid  1825] <... write resumed>)        = 2
[pid  1822] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1825] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1822] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1826 attached
[pid  1825] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  1822] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1826] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1825] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1823] <... clone3 resumed> => {parent_tid=[1826]}, 88) = 1826
[pid  1826] <... set_robust_list resumed>) = 0
[pid  1822] <... futex resumed>)        = 0
[pid  1826] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1825] <... openat resumed>)       = 4
[pid  1823] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1822] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1826] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1825] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1823] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  1822] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1825] <... futex resumed>)        = 0
[pid  1823] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1826] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1822] exit_group(0 <unfinished ...>
[pid  1826] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1825] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1823] <... futex resumed>)        = 0
[pid  1826] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1822] <... exit_group resumed>)   = ?
[pid  1823] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1826] <... futex resumed>)        = 0
[pid  1825] +++ exited with 0 +++
[pid  1823] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1826] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1823] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1822] +++ exited with 0 +++
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1826] <... futex resumed>)        = 0
[pid  1823] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1822, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1826] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1826] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
ci2-android-6-12-rust/strace-static-x86_64: Process 1827 attached
[pid  1826] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1827] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1826] <... futex resumed>)        = 1
[pid  1827] <... set_robust_list resumed>) = 0
[pid  1826] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1823] <... futex resumed>)        = 0
[pid  1823] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1827] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1826] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1823] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1827] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1826] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1827] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1827
[pid  1827] <... prctl resumed>)        = 0
[pid  1826] <... openat resumed>)       = 3
[pid  1827] setpgid(0, 0 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1827] <... setpgid resumed>)      = 0
[pid  1826] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1826] <... futex resumed>)        = 1
[pid  1823] <... futex resumed>)        = 0
[pid  1827] <... openat resumed>)       = 3
[pid  1826] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1823] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1826] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1827] write(3, "1000", 4)         = 4
[pid  1826] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1823] <... futex resumed>)        = 0
[pid  1827] close(3 <unfinished ...>
[pid  1826] <... write resumed>)        = 2
[pid  1823] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1827] <... close resumed>)        = 0
[pid  1826] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1827] write(1, "executing program\n", 18 <unfinished ...>
[pid  1823] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1827] <... write resumed>)        = 18
[pid  1826] <... futex resumed>)        = 0
executing program
[pid  1823] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1827] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1826] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1823] <... futex resumed>)        = 0
[pid  1827] <... futex resumed>)        = 0
[pid  1827] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1827] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1827] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1827] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1826] <... openat resumed>)       = 4
[pid  1823] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1826] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1823] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1826] <... futex resumed>)        = 0
[pid  1827] <... mprotect resumed>)     = 0
[pid  1826] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1823] exit_group(0 <unfinished ...>
[pid  1827] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1826] <... futex resumed>)        = ?
[pid  1823] <... exit_group resumed>)   = ?
[pid  1827] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1826] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 1828 attached
[pid  1828] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1827] <... clone3 resumed> => {parent_tid=[1828]}, 88) = 1828
[pid  1828] <... set_robust_list resumed>) = 0
[pid  1827] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1828] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1827] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1828] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1827] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1828] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1827] <... futex resumed>)        = 0
[pid  1823] +++ exited with 0 +++
[pid  1828] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1827] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1828] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1827] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1823, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1828] <... futex resumed>)        = 0
[pid  1827] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1828] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1827] <... futex resumed>)        = 0
[pid  1828] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1827] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1828] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1827] <... futex resumed>)        = 0
[pid  1828] <... futex resumed>)        = 1
[pid  1827] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1828] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1827] <... futex resumed>)        = 0
[pid  1828] <... openat resumed>)       = 3
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1828] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1827] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1828] <... futex resumed>)        = 0
[pid  1827] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1828] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1827] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1828] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1827] <... futex resumed>)        = 0
[pid  1828] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1827] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1828] <... write resumed>)        = 2
[pid  1828] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1827] <... futex resumed>)        = 0
[pid  1828] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1827] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1828] <... openat resumed>)       = 4
[pid  1827] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1829 attached
 <unfinished ...>
[pid  1828] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1827] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1829] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1828] <... futex resumed>)        = 0
[pid  1827] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1829] <... set_robust_list resumed>) = 0
[pid  1828] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1827] exit_group(0 <unfinished ...>
[pid  1829] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1828] <... futex resumed>)        = ?
[pid  1827] <... exit_group resumed>)   = ?
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1829
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1829] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1828] +++ exited with 0 +++
[pid  1827] +++ exited with 0 +++
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1829] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1829] <... prctl resumed>)        = 0
[pid  1829] setpgid(0, 0)               = 0
[pid  1829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1827, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 1830 attached
 <unfinished ...>
[pid  1829] <... openat resumed>)       = 3
[pid   315] <... restart_syscall resumed>) = 0
[pid  1830] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1829] write(3, "1000", 4 <unfinished ...>
[pid  1830] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1829] <... write resumed>)        = 4
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1830
[pid  1830] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1829] close(3 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1830] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1829] <... close resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1830] <... prctl resumed>)        = 0
[pid  1829] write(1, "executing program\n", 18 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1831 attached
[pid  1830] setpgid(0, 0 <unfinished ...>
[pid  1829] <... write resumed>)        = 18
executing program
[pid  1830] <... setpgid resumed>)      = 0
[pid  1831] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1829] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1829] <... futex resumed>)        = 0
[pid  1829] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1831] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1830] <... openat resumed>)       = 3
[pid  1829] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1829] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1831
[pid  1830] write(3, "1000", 4 <unfinished ...>
[pid  1829] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1831] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1830] <... write resumed>)        = 4
[pid  1829] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1830] close(3 <unfinished ...>
[pid  1829] <... mmap resumed>)         = 0x7fb4de009000
[pid   314] <... restart_syscall resumed>) = 0
[pid  1830] <... close resumed>)        = 0
[pid  1831] <... prctl resumed>)        = 0
[pid  1831] setpgid(0, 0 <unfinished ...>
[pid  1830] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  1829] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1831] <... setpgid resumed>)      = 0
[pid  1830] <... write resumed>)        = 18
[pid  1829] <... mprotect resumed>)     = 0
[pid  1831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1830] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1829] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1830] <... futex resumed>)        = 0
[pid  1830] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1829] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1830] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1829] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1832 attached
 <unfinished ...>
[pid  1830] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1831] <... openat resumed>)       = 3
[pid  1830] <... mmap resumed>)         = 0x7fb4de009000
[pid  1829] <... clone3 resumed> => {parent_tid=[1832]}, 88) = 1832
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1832] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1831] write(3, "1000", 4 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1832] <... set_robust_list resumed>) = 0
[pid  1831] <... write resumed>)        = 4
[pid  1830] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1829] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1830] <... mprotect resumed>)     = 0
[pid  1829] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1830] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1829] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1830] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1829] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1833 attached
[pid  1832] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1831] close(3 <unfinished ...>
[pid  1830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1829] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1832] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1831] <... close resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1834 attached
[pid  1833] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1834] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1833] <... set_robust_list resumed>) = 0
[pid  1830] <... clone3 resumed> => {parent_tid=[1834]}, 88) = 1834
[pid  1833] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1834] <... set_robust_list resumed>) = 0
[pid  1833] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1830] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1834] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1833] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1830] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1834] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1834] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1833] <... prctl resumed>)        = 0
[pid  1830] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1834] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1833] setpgid(0, 0 <unfinished ...>
[pid  1830] <... futex resumed>)        = 0
[pid  1834] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1833] <... setpgid resumed>)      = 0
[pid  1830] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1834] <... futex resumed>)        = 0
[pid  1833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1830] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1832] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1831] write(1, "executing program\n", 18 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1833
[pid  1832] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1831] <... write resumed>)        = 18
executing program
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1831] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1834] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1833] <... openat resumed>)       = 3
[pid  1832] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1831] <... futex resumed>)        = 0
[pid  1830] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1834] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1833] write(3, "1000", 4 <unfinished ...>
[pid  1832] <... futex resumed>)        = 1
[pid  1831] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1830] <... futex resumed>)        = 0
[pid  1829] <... futex resumed>)        = 0
[pid  1834] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1833] <... write resumed>)        = 4
[pid  1832] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1831] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1830] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1829] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1834] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1833] close(3 <unfinished ...>
[pid  1829] <... futex resumed>)        = 0
[pid  1834] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1833] <... close resumed>)        = 0
[pid  1831] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1834] <... futex resumed>)        = 1
[pid  1833] write(1, "executing program\n", 18 <unfinished ...>
[pid  1831] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1830] <... futex resumed>)        = 0
executing program
[pid  1829] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1834] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1833] <... write resumed>)        = 18
[pid  1832] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1831] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1830] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1834] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1833] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1832] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1830] <... futex resumed>)        = 0
[pid  1834] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1833] <... futex resumed>)        = 0
[pid  1831] <... mmap resumed>)         = 0x7fb4de009000
[pid  1830] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1834] <... openat resumed>)       = 3
[pid  1833] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1832] <... futex resumed>)        = 1
[pid  1831] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1829] <... futex resumed>)        = 0
[pid  1834] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1833] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1832] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1829] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1834] <... futex resumed>)        = 1
[pid  1833] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1831] <... mprotect resumed>)     = 0
[pid  1830] <... futex resumed>)        = 0
[pid  1832] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1829] <... futex resumed>)        = 0
[pid  1834] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1833] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1832] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1830] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1829] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1834] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1833] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1832] <... openat resumed>)       = 3
[pid  1830] <... futex resumed>)        = 0
[pid  1834] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1833] <... mmap resumed>)         = 0x7fb4de009000
[pid  1832] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1831] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1830] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1834] <... write resumed>)        = 2
[pid  1833] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1832] <... futex resumed>)        = 1
[pid  1831] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1829] <... futex resumed>)        = 0
[pid  1834] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1833] <... mprotect resumed>)     = 0
[pid  1832] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1831] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1829] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1832] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1830] <... futex resumed>)        = 0
[pid  1834] <... futex resumed>)        = 1
[pid  1833] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1830] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1829] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1835 attached
[pid  1834] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1833] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1832] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1830] <... futex resumed>)        = 0
[pid  1829] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1835] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1834] <... openat resumed>)       = 4
[pid  1833] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1832] <... write resumed>)        = 2
[pid  1831] <... clone3 resumed> => {parent_tid=[1835]}, 88) = 1835
[pid  1830] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1836 attached
 <unfinished ...>
[pid  1835] <... set_robust_list resumed>) = 0
[pid  1834] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1832] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1831] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1835] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1834] <... futex resumed>)        = 1
[pid  1830] <... futex resumed>)        = 0
[pid  1836] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1835] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1834] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1833] <... clone3 resumed> => {parent_tid=[1836]}, 88) = 1836
[pid  1832] <... futex resumed>)        = 1
[pid  1831] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1830] exit_group(0 <unfinished ...>
[pid  1829] <... futex resumed>)        = 0
[pid  1836] <... set_robust_list resumed>) = 0
[pid  1835] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1834] <... futex resumed>)        = ?
[pid  1833] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1832] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1831] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1830] <... exit_group resumed>)   = ?
[pid  1829] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1836] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1835] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1834] +++ exited with 0 +++
[pid  1833] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1832] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1831] <... futex resumed>)        = 0
[pid  1830] +++ exited with 0 +++
[pid  1829] <... futex resumed>)        = 0
[pid  1836] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1835] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1833] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1832] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1831] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1829] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1836] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1835] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1833] <... futex resumed>)        = 0
[pid  1832] <... openat resumed>)       = 4
[pid  1836] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1830, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1832] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1836] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1836] <... futex resumed>)        = 0
[pid  1832] <... futex resumed>)        = 1
[pid  1829] <... futex resumed>)        = 0
[pid  1836] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1832] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1829] exit_group(0 <unfinished ...>
[pid  1835] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1833] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1832] <... futex resumed>)        = ?
[pid  1829] <... exit_group resumed>)   = ?
[pid  1835] <... futex resumed>)        = 1
[pid  1833] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1835] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1833] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1836] <... futex resumed>)        = 0
[pid  1833] <... futex resumed>)        = 1
[pid  1836] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1833] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1836] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1832] +++ exited with 0 +++
[pid  1831] <... futex resumed>)        = 0
[pid  1836] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1833] <... futex resumed>)        = 0
[pid  1833] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1833] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1836] <... futex resumed>)        = 1
[pid  1836] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  1836] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1833] <... futex resumed>)        = 0
[pid  1833] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1833] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1836] <... futex resumed>)        = 1
[pid  1836] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1829] +++ exited with 0 +++
[pid  1831] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1836] <... write resumed>)        = 2
[pid  1835] <... futex resumed>)        = 0
[pid  1831] <... futex resumed>)        = 1
[pid  1836] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1835] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1831] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1829, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1836] <... futex resumed>)        = 1
[pid  1835] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1833] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1836] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1835] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1833] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1836] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1835] <... futex resumed>)        = 1
[pid  1833] <... futex resumed>)        = 0
[pid  1831] <... futex resumed>)        = 0
[pid  1836] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1835] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1833] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1831] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1836] <... openat resumed>)       = 4
[pid  1835] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1831] <... futex resumed>)        = 0
[pid  1835] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1831] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1835] <... openat resumed>)       = 3
[pid  1836] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1835] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1836] <... futex resumed>)        = 1
[pid  1835] <... futex resumed>)        = 1
[pid  1833] <... futex resumed>)        = 0
[pid  1831] <... futex resumed>)        = 0
[pid  1836] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1835] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1833] exit_group(0 <unfinished ...>
[pid  1835] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1831] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1835] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1831] <... futex resumed>)        = 0
[pid  1836] <... futex resumed>)        = ?
[pid  1835] <... write resumed>)        = 2
[pid  1833] <... exit_group resumed>)   = ?
[pid  1836] +++ exited with 0 +++
[pid  1835] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1833] +++ exited with 0 +++
[pid  1831] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1835] <... futex resumed>)        = 0
[pid  1835] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1831] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1831] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1835] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1831] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1833, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1835] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1831] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1835] <... openat resumed>)       = 4
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1835] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1835] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1831] <... futex resumed>)        = 0
[pid  1831] exit_group(0 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1835] <... futex resumed>)        = ?
[pid  1831] <... exit_group resumed>)   = ?
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1835] +++ exited with 0 +++
[pid  1831] +++ exited with 0 +++
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1831, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1837
ci2-android-6-12-rust/strace-static-x86_64: Process 1837 attached
[pid  1837] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1837] <... set_robust_list resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1837] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1837] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1837] <... prctl resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1838 attached
[pid  1837] setpgid(0, 0)               = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1838
[pid  1838] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1837] <... openat resumed>)       = 3
[pid  1838] <... set_robust_list resumed>) = 0
[pid  1837] write(3, "1000", 4)         = 4
[pid  1837] close(3)                    = 0
[pid   315] <... restart_syscall resumed>) = 0
executing program
[pid  1837] write(1, "executing program\n", 18) = 18
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1838] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1837] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1838] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1837] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1839 attached
 <unfinished ...>
[pid  1838] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1837] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1839] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1838] <... prctl resumed>)        = 0
[pid  1838] setpgid(0, 0 <unfinished ...>
[pid  1837] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1839] <... set_robust_list resumed>) = 0
[pid  1838] <... setpgid resumed>)      = 0
[pid  1837] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1837] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1839] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1837] <... mmap resumed>)         = 0x7fb4de009000
[pid  1837] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1837] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1837] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1839
[pid  1839] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1838] <... openat resumed>)       = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 1840 attached
[pid  1837] <... clone3 resumed> => {parent_tid=[1840]}, 88) = 1840
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1840] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1839] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1838] write(3, "1000", 4 <unfinished ...>
[pid  1837] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1840] <... set_robust_list resumed>) = 0
[pid  1839] <... prctl resumed>)        = 0
[pid  1838] <... write resumed>)        = 4
[pid  1837] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  1840] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1839] setpgid(0, 0 <unfinished ...>
[pid  1838] close(3 <unfinished ...>
[pid  1837] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1840] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1839] <... setpgid resumed>)      = 0
[pid  1838] <... close resumed>)        = 0
[pid  1837] <... futex resumed>)        = 0
[pid  1840] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1837] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1838] write(1, "executing program\n", 18 <unfinished ...>
[pid  1840] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1838] <... write resumed>)        = 18
executing program
[pid  1840] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1837] <... futex resumed>)        = 0
[pid  1840] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1837] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1840] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1837] <... futex resumed>)        = 0
[pid  1837] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1840] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1837] <... futex resumed>)        = 0
[pid  1840] <... futex resumed>)        = 1
[pid  1837] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1840] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1837] <... futex resumed>)        = 0
[pid  1840] <... openat resumed>)       = 3
[pid  1837] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1840] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1837] <... futex resumed>)        = 0
[pid  1840] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  1837] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1840] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1837] <... futex resumed>)        = 0
[pid  1840] <... write resumed>)        = 2
[pid  1837] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1840] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1837] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1840] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1837] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1840] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1837] <... futex resumed>)        = 0
[pid  1840] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1837] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1840] <... openat resumed>)       = 4
[pid  1840] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1837] <... futex resumed>)        = 0
[pid  1840] <... futex resumed>)        = 1
[pid  1840] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1839] <... openat resumed>)       = 3
[pid  1838] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1839] write(3, "1000", 4 <unfinished ...>
[pid  1838] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1839] <... write resumed>)        = 4
[pid  1838] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1839] close(3 <unfinished ...>
[pid  1838] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1839] <... close resumed>)        = 0
[pid  1838] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1839] write(1, "executing program\n", 18 <unfinished ...>
[pid  1837] exit_group(0 <unfinished ...>
[pid  1838] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1840] <... futex resumed>)        = ?
[pid  1837] <... exit_group resumed>)   = ?
[pid  1840] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 1841 attached
executing program
[pid  1839] <... write resumed>)        = 18
[pid  1838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1841] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1837] +++ exited with 0 +++
[pid  1838] <... mmap resumed>)         = 0x7fb4de009000
[pid  1841] <... set_robust_list resumed>) = 0
[pid  1839] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1838] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1841
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1837, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1839] <... futex resumed>)        = 0
[pid  1841] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1839] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1838] <... mprotect resumed>)     = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1841] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1839] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1841] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1839] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1838] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1841] <... prctl resumed>)        = 0
[pid  1839] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1838] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1841] setpgid(0, 0 <unfinished ...>
[pid  1839] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1841] <... setpgid resumed>)      = 0
[pid  1839] <... mmap resumed>)         = 0x7fb4de009000
[pid  1841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1839] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITEci2-android-6-12-rust/strace-static-x86_64: Process 1842 attached
 <unfinished ...>
[pid  1841] <... openat resumed>)       = 3
[pid  1839] <... mprotect resumed>)     = 0
[pid  1838] <... clone3 resumed> => {parent_tid=[1842]}, 88) = 1842
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1842] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  1841] write(3, "1000", 4 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1843 attached
 <unfinished ...>
[pid  1842] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1841] <... write resumed>)        = 4
[pid  1839] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1838] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1842] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1838] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1843] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1839] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1838] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1843] <... set_robust_list resumed>) = 0
[pid  1841] close(3 <unfinished ...>
[pid  1838] <... futex resumed>)        = 0
[pid  1843] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1842] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1841] <... close resumed>)        = 0
[pid  1839] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1838] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1843] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1842] <... mkdirat resumed>)      = -1 EEXIST (File exists)
executing program
[pid  1841] write(1, "executing program\n", 18 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1843
ci2-android-6-12-rust/strace-static-x86_64: Process 1844 attached
[pid  1843] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1842] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1841] <... write resumed>)        = 18
[pid  1844] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1843] <... prctl resumed>)        = 0
[pid  1842] <... futex resumed>)        = 1
[pid  1838] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1844] <... set_robust_list resumed>) = 0
[pid  1843] setpgid(0, 0 <unfinished ...>
[pid  1841] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1839] <... clone3 resumed> => {parent_tid=[1844]}, 88) = 1844
[pid  1838] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1844] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1843] <... setpgid resumed>)      = 0
[pid  1841] <... futex resumed>)        = 0
[pid  1839] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1838] <... futex resumed>)        = 0
[pid  1844] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1841] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1839] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1838] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1844] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1841] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1839] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1844] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1843] <... openat resumed>)       = 3
[pid  1841] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1839] <... futex resumed>)        = 0
[pid  1844] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1843] write(3, "1000", 4 <unfinished ...>
[pid  1842] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1841] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1839] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1844] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1843] <... write resumed>)        = 4
[pid  1842] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1841] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1842] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1838] <... futex resumed>)        = 0
[pid  1844] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1843] close(3 <unfinished ...>
[pid  1842] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1838] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1844] <... futex resumed>)        = 1
[pid  1843] <... close resumed>)        = 0
[pid  1842] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1841] <... mmap resumed>)         = 0x7fb4de009000
[pid  1839] <... futex resumed>)        = 0
[pid  1838] <... futex resumed>)        = 0
[pid  1844] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1843] write(1, "executing program\n", 18 <unfinished ...>
[pid  1842] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1841] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1839] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1838] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1844] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1843] <... write resumed>)        = 18
[pid  1842] <... openat resumed>)       = 3
[pid  1839] <... futex resumed>)        = 0
[pid  1842] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1841] <... mprotect resumed>)     = 0
[pid  1843] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1842] <... futex resumed>)        = 1
[pid  1838] <... futex resumed>)        = 0
executing program
[pid  1844] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1839] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1842] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1838] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1842] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1838] <... futex resumed>)        = 0
[pid  1842] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1838] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1842] <... write resumed>)        = 2
[pid  1842] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1841] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1838] <... futex resumed>)        = 0
[pid  1842] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1838] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1844] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1843] <... futex resumed>)        = 0
[pid  1842] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1841] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1838] <... futex resumed>)        = 0
[pid  1844] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1843] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1842] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1841] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1838] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1844] <... futex resumed>)        = 1
[pid  1843] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1842] <... openat resumed>)       = 4
[pid  1839] <... futex resumed>)        = 0
[pid  1842] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1839] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1838] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1845 attached
[pid  1844] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1843] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1842] <... futex resumed>)        = 1
[pid  1839] <... futex resumed>)        = 0
[pid  1838] exit_group(0 <unfinished ...>
[pid  1845] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1844] <... openat resumed>)       = 3
[pid  1843] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1839] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1838] <... exit_group resumed>)   = ?
[pid  1845] <... set_robust_list resumed>) = 0
[pid  1844] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1842] +++ exited with 0 +++
[pid  1841] <... clone3 resumed> => {parent_tid=[1845]}, 88) = 1845
[pid  1838] +++ exited with 0 +++
[pid  1844] <... futex resumed>)        = 1
[pid  1843] <... mmap resumed>)         = 0x7fb4de009000
[pid  1841] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1839] <... futex resumed>)        = 0
[pid  1844] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1843] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1841] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1839] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1838, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1844] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1841] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1839] <... futex resumed>)        = 0
[pid  1844] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1843] <... mprotect resumed>)     = 0
[pid  1841] <... futex resumed>)        = 0
[pid  1839] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1845] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1844] <... write resumed>)        = 2
[pid  1845] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1841] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1844] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1845] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1843] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1845] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1844] <... futex resumed>)        = 1
[pid  1839] <... futex resumed>)        = 0
[pid  1845] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1844] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1843] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1839] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1845] <... futex resumed>)        = 1
[pid  1841] <... futex resumed>)        = 0
[pid  1845] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1841] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1845] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1841] <... futex resumed>)        = 0
[pid  1839] <... futex resumed>)        = 0
[pid  1844] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1845] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1844] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1841] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1839] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1846 attached
 <unfinished ...>
[pid  1845] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1846] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1845] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1846] <... set_robust_list resumed>) = 0
[pid  1845] <... futex resumed>)        = 1
[pid  1841] <... futex resumed>)        = 0
[pid  1846] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1845] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1841] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1846] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1845] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1843] <... clone3 resumed> => {parent_tid=[1846]}, 88) = 1846
[pid  1841] <... futex resumed>)        = 0
[pid  1846] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1845] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1843] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1841] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1845] <... openat resumed>)       = 3
[pid  1844] <... openat resumed>)       = 4
[pid  1843] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1843] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1845] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1841] <... futex resumed>)        = 0
[pid  1845] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1841] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1845] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1841] <... futex resumed>)        = 0
[pid  1846] <... futex resumed>)        = 0
[pid  1845] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1844] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1843] <... futex resumed>)        = 1
[pid  1841] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1846] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1845] <... write resumed>)        = 2
[pid  1844] <... futex resumed>)        = 1
[pid  1843] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1839] <... futex resumed>)        = 0
[pid  1846] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1845] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1846] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1845] <... futex resumed>)        = 1
[pid  1841] <... futex resumed>)        = 0
[pid  1839] exit_group(0 <unfinished ...>
[pid  1846] <... futex resumed>)        = 1
[pid  1845] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1843] <... futex resumed>)        = 0
[pid  1841] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1839] <... exit_group resumed>)   = ?
[pid  1846] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1845] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1843] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1841] <... futex resumed>)        = 0
[pid  1846] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1845] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1841] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1846] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1845] <... openat resumed>)       = 4
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1846] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1843] <... futex resumed>)        = 0
[pid  1845] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1843] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1841] <... futex resumed>)        = 0
[pid  1846] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1845] <... futex resumed>)        = 1
[pid  1841] exit_group(0 <unfinished ...>
[pid  1846] <... futex resumed>)        = 0
[pid  1845] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1846] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1845] +++ exited with 0 +++
[pid  1844] +++ exited with 0 +++
[pid  1841] <... exit_group resumed>)   = ?
[pid  1839] +++ exited with 0 +++
[pid  1843] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1843] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1841] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1841, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1846] <... futex resumed>)        = 0
[pid  1843] <... futex resumed>)        = 1
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1839, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1843] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1846] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  1846] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1843] <... futex resumed>)        = 0
[pid  1846] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  1843] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1846] write(3, "\x38\x00", 2)     = 2
[pid  1843] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1847 attached
[pid  1846] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1843] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1847] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1846] <... futex resumed>)        = 0
[pid  1846] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1847] <... set_robust_list resumed>) = 0
[pid  1847] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1843] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1847
[pid  1843] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1847] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1846] <... futex resumed>)        = 0
[pid  1843] <... futex resumed>)        = 1
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1846] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1843] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1847] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1846] <... openat resumed>)       = 4
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1847] <... prctl resumed>)        = 0
[pid  1846] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1847] setpgid(0, 0 <unfinished ...>
[pid  1846] <... futex resumed>)        = 1
[pid  1843] <... futex resumed>)        = 0
[pid  1847] <... setpgid resumed>)      = 0
[pid  1847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1846] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1843] exit_group(0 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1847] <... openat resumed>)       = 3
[pid  1847] write(3, "1000", 4)         = 4
[pid  1847] close(3)                    = 0
[pid  1847] write(1, "executing program\n", 18 <unfinished ...>
[pid  1846] <... futex resumed>)        = ?
[pid  1843] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 1848 attached
[pid  1847] <... write resumed>)        = 18
[pid  1846] +++ exited with 0 +++
[pid  1848] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1847] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1848] <... set_robust_list resumed>) = 0
executing program
[pid  1848] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1847] <... futex resumed>)        = 0
[pid  1847] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1848] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1847] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1848] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1847] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1848] <... prctl resumed>)        = 0
[pid  1847] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1848] setpgid(0, 0 <unfinished ...>
[pid  1847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1848] <... setpgid resumed>)      = 0
[pid  1847] <... mmap resumed>)         = 0x7fb4de009000
[pid  1848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1843] +++ exited with 0 +++
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1848
[pid  1848] <... openat resumed>)       = 3
[pid  1847] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1843, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1848] write(3, "1000", 4 <unfinished ...>
[pid  1847] <... mprotect resumed>)     = 0
[pid  1848] <... write resumed>)        = 4
[pid  1847] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1848] close(3)                    = 0
[pid  1847] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1848] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  1847] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1849 attached
 <unfinished ...>
[pid  1848] <... write resumed>)        = 18
[pid  1848] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1847] <... clone3 resumed> => {parent_tid=[1849]}, 88) = 1849
[pid  1848] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1847] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1848] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1847] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1848] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1847] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1849] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1848] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1849] <... set_robust_list resumed>) = 0
[pid  1849] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1848] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1847] <... futex resumed>)        = 0
[pid  1849] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1848] <... mmap resumed>)         = 0x7fb4de009000
[pid  1847] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1849] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1848] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1849] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1848] <... mprotect resumed>)     = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1849] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1848] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1849] <... futex resumed>)        = 1
[pid  1847] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1849] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1848] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1847] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1848] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1847] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1850 attached
[pid  1850] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1847] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1848] <... clone3 resumed> => {parent_tid=[1850]}, 88) = 1850
ci2-android-6-12-rust/strace-static-x86_64: Process 1851 attached
[pid  1849] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1850] <... set_robust_list resumed>) = 0
[pid  1849] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1848] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1850] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1848] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1850] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1849] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1848] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1851
[pid  1851] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1850] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1849] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1848] <... futex resumed>)        = 0
[pid  1851] <... set_robust_list resumed>) = 0
[pid  1850] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1849] <... futex resumed>)        = 1
[pid  1848] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1847] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1851] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1850] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1849] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1848] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1847] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1851] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1849] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1850] <... futex resumed>)        = 0
[pid  1849] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1848] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1847] <... futex resumed>)        = 0
[pid  1851] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1850] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1849] <... openat resumed>)       = 3
[pid  1848] <... futex resumed>)        = 0
[pid  1847] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1851] <... prctl resumed>)        = 0
[pid  1850] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1849] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1848] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1847] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1851] setpgid(0, 0 <unfinished ...>
[pid  1850] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1849] <... futex resumed>)        = 0
[pid  1847] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1851] <... setpgid resumed>)      = 0
[pid  1850] <... futex resumed>)        = 1
[pid  1849] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1848] <... futex resumed>)        = 0
[pid  1847] <... futex resumed>)        = 0
[pid  1850] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1848] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1847] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1850] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1849] <... write resumed>)        = 2
[pid  1848] <... futex resumed>)        = 0
[pid  1850] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1848] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1851] <... openat resumed>)       = 3
[pid  1849] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1850] <... openat resumed>)       = 3
[pid  1849] <... futex resumed>)        = 1
[pid  1847] <... futex resumed>)        = 0
[pid  1851] write(3, "1000", 4 <unfinished ...>
[pid  1850] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1849] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1847] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1851] <... write resumed>)        = 4
[pid  1850] <... futex resumed>)        = 1
[pid  1848] <... futex resumed>)        = 0
[pid  1847] <... futex resumed>)        = 0
[pid  1850] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1848] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1847] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1851] close(3 <unfinished ...>
[pid  1850] <... write resumed>)        = 2
[pid  1849] <... openat resumed>)       = 4
[pid  1848] <... futex resumed>)        = 0
[pid  1851] <... close resumed>)        = 0
[pid  1850] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1849] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1848] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1851] write(1, "executing program\n", 18 <unfinished ...>
[pid  1850] <... futex resumed>)        = 0
[pid  1849] <... futex resumed>)        = 1
[pid  1848] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1847] <... futex resumed>)        = 0
[pid  1851] <... write resumed>)        = 18
executing program
[pid  1850] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1849] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1848] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1851] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1847] exit_group(0 <unfinished ...>
[pid  1850] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1848] <... futex resumed>)        = 0
[pid  1851] <... futex resumed>)        = 0
[pid  1847] <... exit_group resumed>)   = ?
[pid  1849] <... futex resumed>)        = ?
[pid  1851] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1850] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1848] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1850] <... openat resumed>)       = 4
[pid  1850] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1848] <... futex resumed>)        = 0
[pid  1848] exit_group(0 <unfinished ...>
[pid  1850] <... futex resumed>)        = 1
[pid  1848] <... exit_group resumed>)   = ?
[pid  1851] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1850] +++ exited with 0 +++
[pid  1849] +++ exited with 0 +++
[pid  1848] +++ exited with 0 +++
[pid  1847] +++ exited with 0 +++
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1851] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1847, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1851] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1848, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1851] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1851] <... mmap resumed>)         = 0x7fb4de009000
ci2-android-6-12-rust/strace-static-x86_64: Process 1852 attached
[pid  1851] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1852] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1852
[pid  1852] <... set_robust_list resumed>) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1852] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1851] <... mprotect resumed>)     = 0
[pid  1851] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1853 attached
[pid  1852] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1851] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1853] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1852] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1853
ci2-android-6-12-rust/strace-static-x86_64: Process 1854 attached
[pid  1853] <... set_robust_list resumed>) = 0
[pid  1851] <... clone3 resumed> => {parent_tid=[1854]}, 88) = 1854
[pid  1854] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1853] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1852] <... prctl resumed>)        = 0
[pid  1851] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1854] <... set_robust_list resumed>) = 0
[pid  1853] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1852] setpgid(0, 0 <unfinished ...>
[pid  1851] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1854] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1852] <... setpgid resumed>)      = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  1853] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1851] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1854] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1851] <... futex resumed>)        = 0
[pid  1852] <... openat resumed>)       = 3
[pid  1854] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1853] <... prctl resumed>)        = 0
[pid  1851] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1852] write(3, "1000", 4 <unfinished ...>
[pid  1853] setpgid(0, 0)               = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1854] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1852] <... write resumed>)        = 4
[pid  1853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1854] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1852] close(3 <unfinished ...>
[pid  1854] <... futex resumed>)        = 1
[pid  1853] <... openat resumed>)       = 3
[pid  1852] <... close resumed>)        = 0
[pid  1851] <... futex resumed>)        = 0
[pid  1854] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1853] write(3, "1000", 4 <unfinished ...>
[pid  1852] write(1, "executing program\n", 18 <unfinished ...>
[pid  1851] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1854] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1852] <... write resumed>)        = 18
[pid  1854] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1851] <... futex resumed>)        = 0
[pid  1852] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1853] <... write resumed>)        = 4
[pid  1853] close(3)                    = 0
[pid  1853] write(1, "executing program\n", 18) = 18
executing program
executing program
[pid  1854] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1853] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1853] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1853] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1853] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1851] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1852] <... futex resumed>)        = 0
[pid  1853] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1853] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1852] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1854] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1855 attached
) = 0
[pid  1852] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1851] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1851] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1854] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1852] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1851] <... futex resumed>)        = 0
[pid  1851] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1854] <... openat resumed>)       = 3
[pid  1852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1855] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1853] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1855
[pid  1852] <... mmap resumed>)         = 0x7fb4de009000
[pid  1855] <... set_robust_list resumed>) = 0
[pid  1854] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1853] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1856 attached
 <unfinished ...>
[pid  1855] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1854] <... futex resumed>)        = 1
[pid  1852] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1851] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1856] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1855] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1854] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1853] <... clone3 resumed> => {parent_tid=[1856]}, 88) = 1856
[pid  1851] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1852] <... mprotect resumed>)     = 0
[pid  1856] <... set_robust_list resumed>) = 0
[pid  1855] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1854] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1853] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1851] <... futex resumed>)        = 0
[pid  1856] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1855] <... prctl resumed>)        = 0
[pid  1854] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1853] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1856] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1855] setpgid(0, 0 <unfinished ...>
[pid  1853] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1856] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1855] <... setpgid resumed>)      = 0
[pid  1854] <... write resumed>)        = 2
[pid  1853] <... futex resumed>)        = 0
[pid  1851] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1856] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1854] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1853] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1851] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1856] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1855] <... openat resumed>)       = 3
[pid  1853] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1852] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1856] <... futex resumed>)        = 0
[pid  1854] <... futex resumed>)        = 0
[pid  1853] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1851] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1856] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1855] write(3, "1000", 4 <unfinished ...>
[pid  1854] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1853] <... futex resumed>)        = 0
[pid  1852] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1851] <... futex resumed>)        = 0
[pid  1856] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1855] <... write resumed>)        = 4
[pid  1853] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1854] <... openat resumed>)       = 4
[pid  1852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1851] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1854] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1851] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1856] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1855] close(3 <unfinished ...>
[pid  1856] <... futex resumed>)        = 1
[pid  1855] <... close resumed>)        = 0
[pid  1853] <... futex resumed>)        = 0
[pid  1851] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 1857 attached
 <unfinished ...>
[pid  1856] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1855] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  1853] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1854] <... futex resumed>)        = ?
[pid  1851] <... exit_group resumed>)   = ?
[pid  1857] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1856] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1855] <... write resumed>)        = 18
[pid  1853] <... futex resumed>)        = 0
[pid  1854] +++ exited with 0 +++
[pid  1857] <... set_robust_list resumed>) = 0
[pid  1856] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1855] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1853] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1857] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1856] <... openat resumed>)       = 3
[pid  1855] <... futex resumed>)        = 0
[pid  1857] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1855] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1857] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1856] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1855] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1856] <... futex resumed>)        = 1
[pid  1855] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1853] <... futex resumed>)        = 0
[pid  1856] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1855] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1853] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1851] +++ exited with 0 +++
[pid  1856] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1853] <... futex resumed>)        = 0
[pid  1852] <... clone3 resumed> => {parent_tid=[1857]}, 88) = 1857
[pid  1856] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1855] <... mmap resumed>)         = 0x7fb4de009000
[pid  1853] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1856] <... write resumed>)        = 2
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1851, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1852] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1852] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1856] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1855] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1852] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1856] <... futex resumed>)        = 1
[pid  1855] <... mprotect resumed>)     = 0
[pid  1853] <... futex resumed>)        = 0
[pid  1857] <... futex resumed>)        = 0
[pid  1856] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1855] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1853] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1852] <... futex resumed>)        = 1
[pid  1857] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1856] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1853] <... futex resumed>)        = 0
[pid  1856] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1855] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1853] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1852] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1857] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1856] <... openat resumed>)       = 4
[pid  1855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1857] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1856] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1852] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1856] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 1858 attached
[pid  1857] <... futex resumed>)        = 0
[pid  1852] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1857] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1852] <... futex resumed>)        = 0
[pid  1856] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1855] <... clone3 resumed> => {parent_tid=[1858]}, 88) = 1858
[pid  1853] <... futex resumed>)        = 0
[pid  1855] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1853] exit_group(0 <unfinished ...>
[pid  1856] <... futex resumed>)        = ?
[pid  1855] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1853] <... exit_group resumed>)   = ?
[pid  1858] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1857] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1856] +++ exited with 0 +++
[pid  1855] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1853] +++ exited with 0 +++
[pid  1852] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1858] <... set_robust_list resumed>) = 0
[pid  1857] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1855] <... futex resumed>)        = 0
[pid  1858] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1857] <... futex resumed>)        = 0
[pid  1855] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1852] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1858] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1857] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1853, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1852] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1857] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1852] <... futex resumed>)        = 0
[pid  1858] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1857] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1852] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1858] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1857] <... openat resumed>)       = 3
[pid  1858] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1857] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1858] <... futex resumed>)        = 0
[pid  1855] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1855] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1855] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1857] <... futex resumed>)        = 1
[pid  1852] <... futex resumed>)        = 0
[pid  1858] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1852] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1857] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1852] <... futex resumed>)        = 0
[pid  1858] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1857] <... write resumed>)        = 2
[pid  1858] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1857] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1852] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1858] <... futex resumed>)        = 1
[pid  1857] <... futex resumed>)        = 0
[pid  1855] <... futex resumed>)        = 0
[pid  1858] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1857] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1855] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1852] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1858] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1855] <... futex resumed>)        = 0
[pid  1855] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1852] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1858] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1857] <... futex resumed>)        = 0
[pid  1852] <... futex resumed>)        = 1
[pid   314] <... restart_syscall resumed>) = 0
[pid  1858] <... openat resumed>)       = 3
[pid  1857] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1852] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1858] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1857] <... openat resumed>)       = 4
[pid  1857] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1858] <... futex resumed>)        = 1
[pid  1857] <... futex resumed>)        = 1
[pid  1855] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1852] <... futex resumed>)        = 0
[pid  1858] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1857] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1855] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1858] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1855] <... futex resumed>)        = 0
[pid  1852] exit_group(0 <unfinished ...>
[pid  1855] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1859 attached
[pid  1858] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1852] <... exit_group resumed>)   = ?
[pid  1858] <... write resumed>)        = 2
[pid  1859] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1858] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1857] <... futex resumed>)        = ?
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1860 attached
 <unfinished ...>
[pid  1859] <... set_robust_list resumed>) = 0
[pid  1858] <... futex resumed>)        = 1
[pid  1857] +++ exited with 0 +++
[pid  1855] <... futex resumed>)        = 0
[pid  1852] +++ exited with 0 +++
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1859
[pid  1859] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1858] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1860] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1859] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1852, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1860] <... set_robust_list resumed>) = 0
[pid  1860] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1859] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1855] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1860
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1860] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1859] <... prctl resumed>)        = 0
[pid  1858] <... futex resumed>)        = 0
[pid  1855] <... futex resumed>)        = 1
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1860] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1859] setpgid(0, 0 <unfinished ...>
[pid  1858] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1855] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1860] <... prctl resumed>)        = 0
[pid  1859] <... setpgid resumed>)      = 0
[pid  1858] <... openat resumed>)       = 4
[pid  1860] setpgid(0, 0 <unfinished ...>
[pid  1859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1858] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1860] <... setpgid resumed>)      = 0
[pid  1859] <... openat resumed>)       = 3
[pid  1855] <... futex resumed>)        = 0
[pid  1860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1859] write(3, "1000", 4 <unfinished ...>
[pid  1858] <... futex resumed>)        = 1
[pid  1855] exit_group(0 <unfinished ...>
[pid  1860] <... openat resumed>)       = 3
[pid  1859] <... write resumed>)        = 4
[pid  1855] <... exit_group resumed>)   = ?
[pid  1860] write(3, "1000", 4 <unfinished ...>
[pid  1859] close(3 <unfinished ...>
[pid  1858] +++ exited with 0 +++
[pid  1855] +++ exited with 0 +++
[pid  1860] <... write resumed>)        = 4
[pid  1859] <... close resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1855, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1860] close(3 <unfinished ...>
[pid  1859] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1860] <... close resumed>)        = 0
[pid  1859] <... write resumed>)        = 18
[pid  1860] write(1, "executing program\n", 18 <unfinished ...>
[pid  1859] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1860] <... write resumed>)        = 18
[pid  1859] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1860] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1859] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1860] <... futex resumed>)        = 0
[pid  1859] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1860] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1859] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1860] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
executing program
[pid  1860] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1859] <... mmap resumed>)         = 0x7fb4de009000
[pid  1860] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1859] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1860] <... mmap resumed>)         = 0x7fb4de009000
[pid  1860] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1859] <... mprotect resumed>)     = 0
[pid  1860] <... mprotect resumed>)     = 0
[pid  1859] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1860] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1859] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1860] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1859] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1860] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1861 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1862 attached
 <unfinished ...>
[pid  1861] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1860] <... clone3 resumed> => {parent_tid=[1862]}, 88) = 1862
[pid  1862] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1859] <... clone3 resumed> => {parent_tid=[1861]}, 88) = 1861
[pid  1862] <... set_robust_list resumed>) = 0
[pid  1860] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1862] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1859] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1862] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1860] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1862] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1859] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1862] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1860] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1859] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1862] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1861] <... set_robust_list resumed>) = 0
[pid  1860] <... futex resumed>)        = 0
[pid  1859] <... futex resumed>)        = 0
[pid  1862] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1861] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1862] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1861] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1860] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1859] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1862] <... futex resumed>)        = 0
[pid  1861] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1862] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1861] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1860] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1861] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1860] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1862] <... futex resumed>)        = 0
[pid  1861] <... futex resumed>)        = 1
[pid  1860] <... futex resumed>)        = 1
[pid  1859] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1862] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1861] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1860] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1859] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1862] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1861] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1859] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1863 attached
 <unfinished ...>
[pid  1862] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1861] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1859] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1863] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1862] <... futex resumed>)        = 1
[pid  1861] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1860] <... futex resumed>)        = 0
[pid  1863] <... set_robust_list resumed>) = 0
[pid  1862] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1861] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1860] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1863] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1861] <... futex resumed>)        = 1
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1863
[pid  1862] <... openat resumed>)       = 3
[pid  1861] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1860] <... futex resumed>)        = 0
[pid  1859] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1864 attached
 <unfinished ...>
[pid  1863] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1862] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1860] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1859] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1864] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1863] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1862] <... futex resumed>)        = 0
[pid  1861] <... futex resumed>)        = 0
[pid  1860] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1859] <... futex resumed>)        = 1
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1864
[pid  1864] <... set_robust_list resumed>) = 0
[pid  1863] <... prctl resumed>)        = 0
[pid  1862] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1861] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1860] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1859] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1864] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1863] setpgid(0, 0 <unfinished ...>
[pid  1862] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1860] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1864] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1863] <... setpgid resumed>)      = 0
[pid  1862] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1860] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1864] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1862] <... write resumed>)        = 2
[pid  1864] <... prctl resumed>)        = 0
[pid  1862] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1864] setpgid(0, 0 <unfinished ...>
[pid  1860] <... futex resumed>)        = 0
[pid  1864] <... setpgid resumed>)      = 0
[pid  1863] <... openat resumed>)       = 3
[pid  1862] <... futex resumed>)        = 1
[pid  1861] <... openat resumed>)       = 3
[pid  1860] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1863] write(3, "1000", 4 <unfinished ...>
[pid  1862] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1861] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1860] <... futex resumed>)        = 0
[pid  1864] <... openat resumed>)       = 3
[pid  1863] <... write resumed>)        = 4
[pid  1862] <... openat resumed>)       = 4
[pid  1861] <... futex resumed>)        = 1
[pid  1859] <... futex resumed>)        = 0
[pid  1864] write(3, "1000", 4 <unfinished ...>
[pid  1863] close(3 <unfinished ...>
[pid  1862] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1861] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1860] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1859] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1864] <... write resumed>)        = 4
[pid  1863] <... close resumed>)        = 0
[pid  1862] <... futex resumed>)        = 0
[pid  1861] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1860] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1859] <... futex resumed>)        = 0
[pid  1864] close(3 <unfinished ...>
[pid  1863] write(1, "executing program\n", 18 <unfinished ...>
[pid  1862] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1861] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1859] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1864] <... close resumed>)        = 0
[pid  1863] <... write resumed>)        = 18
[pid  1861] <... write resumed>)        = 2
[pid  1860] exit_group(0 <unfinished ...>
[pid  1864] write(1, "executing program\n", 18 <unfinished ...>
[pid  1863] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1861] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1864] <... write resumed>)        = 18
[pid  1863] <... futex resumed>)        = 0
[pid  1862] <... futex resumed>)        = ?
[pid  1861] <... futex resumed>)        = 1
[pid  1860] <... exit_group resumed>)   = ?
[pid  1859] <... futex resumed>)        = 0
executing program
executing program
[pid  1864] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1863] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1862] +++ exited with 0 +++
[pid  1861] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1859] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1861] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1859] <... futex resumed>)        = 0
[pid  1861] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1859] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1864] <... futex resumed>)        = 0
[pid  1863] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1861] <... openat resumed>)       = 4
[pid  1860] +++ exited with 0 +++
[pid  1864] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1863] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1861] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1860, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1864] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1863] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1864] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1864] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1863] <... mmap resumed>)         = 0x7fb4de009000
[pid  1861] <... futex resumed>)        = 1
[pid  1859] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1864] <... mmap resumed>)         = 0x7fb4de009000
[pid  1863] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1861] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1859] exit_group(0 <unfinished ...>
[pid  1864] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1863] <... mprotect resumed>)     = 0
[pid  1861] <... futex resumed>)        = ?
[pid  1859] <... exit_group resumed>)   = ?
[pid  1864] <... mprotect resumed>)     = 0
[pid  1863] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1861] +++ exited with 0 +++
[pid  1859] +++ exited with 0 +++
[pid  1864] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1863] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1864] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1863] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1859, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1864] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 1865 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1866 attached
 <unfinished ...>
[pid  1865] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1866] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1864] <... clone3 resumed> => {parent_tid=[1866]}, 88) = 1866
[pid  1863] <... clone3 resumed> => {parent_tid=[1865]}, 88) = 1865
[pid  1865] <... set_robust_list resumed>) = 0
[pid  1866] <... set_robust_list resumed>) = 0
[pid  1865] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1866] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1864] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1863] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1865] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1863] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1865] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1866] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1864] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1863] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1865] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1866] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1864] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1863] <... futex resumed>)        = 0
[pid  1865] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1866] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1864] <... futex resumed>)        = 0
[pid  1863] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1866] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1865] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1864] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1866] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1865] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1866] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1865] <... futex resumed>)        = 1
[pid  1863] <... futex resumed>)        = 0
[pid  1865] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1866] <... futex resumed>)        = 1
[pid  1864] <... futex resumed>)        = 0
[pid  1863] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1865] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1866] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1864] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1863] <... futex resumed>)        = 0
[pid  1865] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1866] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1864] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1865] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1866] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1864] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1863] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1865] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1866] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1863] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1865] <... futex resumed>)        = 0
[pid  1866] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1863] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1865] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1866] <... futex resumed>)        = 1
[pid  1864] <... futex resumed>)        = 0
[pid  1863] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1865] <... openat resumed>)       = 3
[pid  1866] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1864] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1863] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1867 attached
 <unfinished ...>
[pid  1865] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1866] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1864] <... futex resumed>)        = 0
[pid  1863] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1867] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1865] <... futex resumed>)        = 0
[pid  1866] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1864] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1867] <... set_robust_list resumed>) = 0
[pid  1865] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1863] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1866] <... openat resumed>)       = 3
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1867
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1868 attached
[pid  1867] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1865] <... write resumed>)        = 2
[pid  1866] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1863] <... futex resumed>)        = 0
[pid  1868] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1867] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1865] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1866] <... futex resumed>)        = 1
[pid  1864] <... futex resumed>)        = 0
[pid  1863] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1868
[pid  1868] <... set_robust_list resumed>) = 0
[pid  1865] <... futex resumed>)        = 0
[pid  1866] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1864] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1863] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1867] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1868] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1865] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1866] <... write resumed>)        = 2
[pid  1864] <... futex resumed>)        = 0
[pid  1863] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1868] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1867] <... prctl resumed>)        = 0
[pid  1865] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1866] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1864] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1863] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1868] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1867] setpgid(0, 0 <unfinished ...>
[pid  1865] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1866] <... futex resumed>)        = 0
[pid  1864] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1863] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1868] <... prctl resumed>)        = 0
[pid  1867] <... setpgid resumed>)      = 0
[pid  1866] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1865] <... openat resumed>)       = 4
[pid  1864] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1868] setpgid(0, 0)               = 0
[pid  1867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1865] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1866] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1864] <... futex resumed>)        = 0
[pid  1868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1867] <... openat resumed>)       = 3
[pid  1865] <... futex resumed>)        = 1
[pid  1866] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1864] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1863] <... futex resumed>)        = 0
[pid  1868] <... openat resumed>)       = 3
[pid  1867] write(3, "1000", 4 <unfinished ...>
[pid  1865] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1866] <... openat resumed>)       = 4
[pid  1863] exit_group(0 <unfinished ...>
[pid  1868] write(3, "1000", 4 <unfinished ...>
[pid  1867] <... write resumed>)        = 4
[pid  1866] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1868] <... write resumed>)        = 4
[pid  1867] close(3 <unfinished ...>
[pid  1865] <... futex resumed>)        = ?
[pid  1866] <... futex resumed>)        = 1
[pid  1868] close(3 <unfinished ...>
[pid  1864] <... futex resumed>)        = 0
[pid  1863] <... exit_group resumed>)   = ?
[pid  1868] <... close resumed>)        = 0
[pid  1865] +++ exited with 0 +++
[pid  1868] write(1, "executing program\n", 18 <unfinished ...>
[pid  1864] exit_group(0 <unfinished ...>
[pid  1867] <... close resumed>)        = 0
[pid  1868] <... write resumed>)        = 18
[pid  1864] <... exit_group resumed>)   = ?
[pid  1863] +++ exited with 0 +++
[pid  1867] write(1, "executing program\n", 18 <unfinished ...>
[pid  1866] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1863, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
executing program
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1868] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1868] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1864] +++ exited with 0 +++
[pid  1868] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1868] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1867] <... write resumed>)        = 18
executing program
[pid  1868] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1867] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1864, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1867] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1868] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1867] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1868] <... mprotect resumed>)     = 0
[pid  1867] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1868] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1867] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1868] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1867] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1868] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 1869 attached
) = 0x7fb4de009000
[pid  1869] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1868] <... clone3 resumed> => {parent_tid=[1869]}, 88) = 1869
[pid  1867] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1868] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1869] <... set_robust_list resumed>) = 0
[pid  1868] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1869] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1867] <... mprotect resumed>)     = 0
[pid  1868] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1869] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1868] <... futex resumed>)        = 0
[pid  1867] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1869] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1868] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1867] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1869] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1869] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1868] <... futex resumed>)        = 0
[pid  1869] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 1870 attached
 <unfinished ...>
[pid  1870] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1868] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1870] <... set_robust_list resumed>) = 0
[pid  1869] <... futex resumed>)        = 0
[pid  1868] <... futex resumed>)        = 1
[pid  1867] <... clone3 resumed> => {parent_tid=[1870]}, 88) = 1870
[pid  1870] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1869] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1868] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1867] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1870] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1869] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1867] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  1870] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1867] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1870] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1869] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1867] <... futex resumed>)        = 0
[pid  1870] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1869] <... futex resumed>)        = 1
[pid  1868] <... futex resumed>)        = 0
[pid  1867] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1870] <... futex resumed>)        = 0
[pid  1869] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1868] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1867] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1870] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1869] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1871 attached
 <unfinished ...>
[pid  1870] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1869] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1868] <... futex resumed>)        = 0
[pid  1867] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1870] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1869] <... openat resumed>)       = 3
[pid  1870] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1869] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1869] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1870] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1870] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1871
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1871] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1868] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1871] <... set_robust_list resumed>) = 0
[pid  1867] <... futex resumed>)        = 1
[pid  1868] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1870] <... futex resumed>)        = 0
[pid  1870] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1868] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1867] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1869] <... futex resumed>)        = 0
[pid  1868] <... futex resumed>)        = 1
[pid  1867] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1871] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1869] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1868] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1867] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1871] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1870] <... futex resumed>)        = 0
[pid  1869] <... write resumed>)        = 2
[pid  1867] <... futex resumed>)        = 1
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1870] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1869] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1867] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1871] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1870] <... openat resumed>)       = 3
[pid  1869] <... futex resumed>)        = 1
[pid  1868] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1871] <... prctl resumed>)        = 0
[pid  1870] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1869] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1868] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1870] <... futex resumed>)        = 1
[pid  1869] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1868] <... futex resumed>)        = 0
[pid  1870] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1869] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1868] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1871] setpgid(0, 0 <unfinished ...>
[pid  1869] <... openat resumed>)       = 4
[pid  1867] <... futex resumed>)        = 0
[pid  1871] <... setpgid resumed>)      = 0
[pid  1867] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1872 attached
 <unfinished ...>
[pid  1870] <... futex resumed>)        = 0
[pid  1869] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1867] <... futex resumed>)        = 1
[pid  1871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1872] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1870] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1869] <... futex resumed>)        = 1
[pid  1868] <... futex resumed>)        = 0
[pid  1867] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1872] <... set_robust_list resumed>) = 0
[pid  1870] <... write resumed>)        = 2
[pid  1869] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1868] exit_group(0 <unfinished ...>
[pid  1872] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1871] <... openat resumed>)       = 3
[pid  1870] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1869] <... futex resumed>)        = ?
[pid  1868] <... exit_group resumed>)   = ?
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1872
[pid  1872] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1871] write(3, "1000", 4 <unfinished ...>
[pid  1870] <... futex resumed>)        = 1
[pid  1869] +++ exited with 0 +++
[pid  1868] +++ exited with 0 +++
[pid  1867] <... futex resumed>)        = 0
[pid  1872] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1871] <... write resumed>)        = 4
[pid  1870] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1867] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1868, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1871] close(3 <unfinished ...>
[pid  1870] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1867] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1871] <... close resumed>)        = 0
[pid  1870] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1867] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1872] <... prctl resumed>)        = 0
[pid  1872] setpgid(0, 0)               = 0
[pid  1872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1872] write(3, "1000", 4)         = 4
[pid  1872] close(3)                    = 0
[pid  1871] write(1, "executing program\n", 18 <unfinished ...>
[pid  1870] <... openat resumed>)       = 4
[pid  1872] write(1, "executing program\n", 18 <unfinished ...>
[pid  1871] <... write resumed>)        = 18
executing program
executing program
[pid  1870] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1872] <... write resumed>)        = 18
[pid  1872] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1871] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1870] <... futex resumed>)        = 1
[pid  1867] <... futex resumed>)        = 0
[pid  1872] <... futex resumed>)        = 0
[pid  1871] <... futex resumed>)        = 0
[pid  1870] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1872] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1872] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1871] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1872] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1871] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1867] exit_group(0 <unfinished ...>
[pid  1872] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1871] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1872] <... mmap resumed>)         = 0x7fb4de009000
[pid  1871] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1870] <... futex resumed>)        = ?
[pid  1867] <... exit_group resumed>)   = ?
[pid  1872] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1870] +++ exited with 0 +++
[pid  1871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1872] <... mprotect resumed>)     = 0
[pid  1872] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1872] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1873 attached
 <unfinished ...>
[pid  1873] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1872] <... clone3 resumed> => {parent_tid=[1873]}, 88) = 1873
[pid  1873] <... set_robust_list resumed>) = 0
[pid  1872] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1873] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1872] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1873] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1872] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1867] +++ exited with 0 +++
[pid  1871] <... mmap resumed>)         = 0x7fb4de009000
[pid  1873] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1872] <... futex resumed>)        = 0
[pid  1871] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1867, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1873] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1872] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1871] <... mprotect resumed>)     = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1873] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1872] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1873] <... futex resumed>)        = 0
[pid  1872] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1873] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1872] <... futex resumed>)        = 0
[pid  1873] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1872] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1873] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1872] <... futex resumed>)        = 0
[pid  1873] <... futex resumed>)        = 1
[pid  1872] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1873] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1872] <... futex resumed>)        = 0
[pid  1873] <... openat resumed>)       = 3
[pid  1872] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1871] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1873] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1872] <... futex resumed>)        = 0
[pid  1871] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1873] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1872] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1873] <... write resumed>)        = 2
[pid  1872] <... futex resumed>)        = 0
[pid  1873] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1872] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1873] <... futex resumed>)        = 0
[pid  1872] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1873] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1872] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1873] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1872] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1874 attached
[pid  1873] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1872] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1874] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1873] <... openat resumed>)       = 4
[pid  1874] <... set_robust_list resumed>) = 0
[pid  1874] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1873] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1874] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1873] <... futex resumed>)        = 1
[pid  1872] <... futex resumed>)        = 0
[pid  1873] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1872] exit_group(0 <unfinished ...>
[pid  1873] <... futex resumed>)        = ?
[pid  1872] <... exit_group resumed>)   = ?
[pid  1873] +++ exited with 0 +++
[pid  1871] <... clone3 resumed> => {parent_tid=[1874]}, 88) = 1874
[pid  1872] +++ exited with 0 +++
[pid  1871] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1871] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1874] <... futex resumed>)        = 0
[pid  1871] <... futex resumed>)        = 1
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1872, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1874] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1871] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1874] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1874] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1871] <... futex resumed>)        = 0
[pid  1874] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1871] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1874] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1874] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1871] <... futex resumed>)        = 0
[pid  1874] <... futex resumed>)        = 0
[pid  1874] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1871] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  1871] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1874] <... futex resumed>)        = 0
[pid  1871] <... futex resumed>)        = 1
[pid  1874] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1871] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1874] <... openat resumed>)       = 3
[pid  1874] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1871] <... futex resumed>)        = 0
[pid  1874] <... futex resumed>)        = 1
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1874] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1871] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1874] <... write resumed>)        = 2
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1874] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1871] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1874] <... futex resumed>)        = 0
[pid  1871] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1875 attached
 <unfinished ...>
[pid  1874] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1871] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1871] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1874] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1871] <... futex resumed>)        = 0
[pid  1874] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1875
[pid  1871] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1874] <... openat resumed>)       = 4
[pid  1875] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1874] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1875] <... set_robust_list resumed>) = 0
[pid  1874] <... futex resumed>)        = 1
[pid  1871] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1874] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1871] exit_group(0 <unfinished ...>
[pid  1874] <... futex resumed>)        = ?
[pid  1871] <... exit_group resumed>)   = ?
[pid  1875] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1876 attached
 <unfinished ...>
[pid  1874] +++ exited with 0 +++
[pid  1875] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1875] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1876] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1875] <... prctl resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1876
[pid  1876] <... set_robust_list resumed>) = 0
[pid  1875] setpgid(0, 0 <unfinished ...>
[pid  1871] +++ exited with 0 +++
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1876] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1875] <... setpgid resumed>)      = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1871, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 1877 attached
 <unfinished ...>
[pid  1876] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1877
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1876] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1877] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1876] <... prctl resumed>)        = 0
[pid  1875] <... openat resumed>)       = 3
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1877] <... set_robust_list resumed>) = 0
[pid  1877] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1876] setpgid(0, 0 <unfinished ...>
[pid  1875] write(3, "1000", 4 <unfinished ...>
[pid  1877] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1876] <... setpgid resumed>)      = 0
[pid  1875] <... write resumed>)        = 4
[pid  1877] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1875] close(3 <unfinished ...>
[pid  1877] <... prctl resumed>)        = 0
[pid  1877] setpgid(0, 0)               = 0
[pid  1877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1875] <... close resumed>)        = 0
[pid  1876] <... openat resumed>)       = 3
[pid  1875] write(1, "executing program\n", 18 <unfinished ...>
[pid  1877] <... openat resumed>)       = 3
[pid  1875] <... write resumed>)        = 18
[pid  1877] write(3, "1000", 4)         = 4
[pid  1876] write(3, "1000", 4 <unfinished ...>
[pid  1875] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1877] close(3)                    = 0
[pid  1876] <... write resumed>)        = 4
[pid  1875] <... futex resumed>)        = 0
[pid  1876] close(3 <unfinished ...>
[pid  1875] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1876] <... close resumed>)        = 0
[pid  1875] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1876] write(1, "executing program\n", 18 <unfinished ...>
[pid  1875] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1877] write(1, "executing program\n", 18 <unfinished ...>
[pid  1875] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1877] <... write resumed>)        = 18
[pid  1877] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1876] <... write resumed>)        = 18
executing program
executing program
[pid  1877] <... futex resumed>)        = 0
[pid  1877] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1877] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1877] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1877] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1877] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1876] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1875] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1876] <... futex resumed>)        = 0
[pid  1877] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1876] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1875] <... mmap resumed>)         = 0x7fb4de009000
[pid  1877] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1876] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1875] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1876] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 1878 attached
, NULL, 8) = 0
[pid  1875] <... mprotect resumed>)     = 0
[pid  1877] <... clone3 resumed> => {parent_tid=[1878]}, 88) = 1878
[pid  1876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1877] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1876] <... mmap resumed>)         = 0x7fb4de009000
[pid  1875] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1878] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1877] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1876] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1875] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1877] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1876] <... mprotect resumed>)     = 0
[pid  1875] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1878] <... set_robust_list resumed>) = 0
[pid  1877] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1877] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1878] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1876] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1875] <... clone3 resumed> => {parent_tid=[1879]}, 88) = 1879
[pid  1878] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1876] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1875] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1878] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1875] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1876] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1875] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1879 attached
 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1881 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1880 attached
 <unfinished ...>
[pid  1879] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1878] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1875] <... futex resumed>)        = 0
[pid  1881] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1880] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1879] <... set_robust_list resumed>) = 0
[pid  1878] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1876] <... clone3 resumed> => {parent_tid=[1881]}, 88) = 1881
[pid  1875] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1880
[pid  1881] <... set_robust_list resumed>) = 0
[pid  1880] <... set_robust_list resumed>) = 0
[pid  1879] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1878] <... futex resumed>)        = 1
[pid  1877] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1881] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1880] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1879] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1878] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1877] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1876] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1881] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1880] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1879] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1878] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1877] <... futex resumed>)        = 0
[pid  1876] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1881] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1880] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1879] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1878] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1877] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1880] <... prctl resumed>)        = 0
[pid  1879] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1880] setpgid(0, 0 <unfinished ...>
[pid  1879] <... futex resumed>)        = 1
[pid  1875] <... futex resumed>)        = 0
[pid  1876] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1880] <... setpgid resumed>)      = 0
[pid  1879] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1881] <... futex resumed>)        = 0
[pid  1880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1879] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1876] <... futex resumed>)        = 1
[pid  1875] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1881] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1878] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1876] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1875] <... futex resumed>)        = 0
[pid  1878] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1875] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1881] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1880] <... openat resumed>)       = 3
[pid  1879] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1878] <... futex resumed>)        = 1
[pid  1877] <... futex resumed>)        = 0
[pid  1881] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1880] write(3, "1000", 4 <unfinished ...>
[pid  1879] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1877] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1881] <... futex resumed>)        = 1
[pid  1880] <... write resumed>)        = 4
[pid  1879] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1878] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1877] <... futex resumed>)        = 0
[pid  1876] <... futex resumed>)        = 0
[pid  1881] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1880] close(3 <unfinished ...>
[pid  1879] <... futex resumed>)        = 1
[pid  1878] <... openat resumed>)       = 3
[pid  1877] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1876] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1875] <... futex resumed>)        = 0
[pid  1881] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1880] <... close resumed>)        = 0
[pid  1879] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1875] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1881] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1879] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1881] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1880] write(1, "executing program\n", 18 <unfinished ...>
[pid  1879] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1878] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1876] <... futex resumed>)        = 0
executing program
[pid  1875] <... futex resumed>)        = 0
[pid  1881] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1880] <... write resumed>)        = 18
[pid  1879] <... openat resumed>)       = 3
[pid  1878] <... futex resumed>)        = 1
[pid  1877] <... futex resumed>)        = 0
[pid  1876] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1875] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1881] <... futex resumed>)        = 0
[pid  1880] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1879] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1878] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1877] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1876] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1875] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1881] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1880] <... futex resumed>)        = 0
[pid  1879] <... futex resumed>)        = 0
[pid  1878] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1877] <... futex resumed>)        = 0
[pid  1876] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1881] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1880] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1879] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1878] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1877] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1875] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1881] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1880] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1879] <... write resumed>)        = 2
[pid  1878] <... write resumed>)        = 2
[pid  1876] <... futex resumed>)        = 0
[pid  1875] <... futex resumed>)        = 0
[pid  1881] <... openat resumed>)       = 3
[pid  1880] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1879] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1878] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1876] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1875] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1878] <... futex resumed>)        = 1
[pid  1875] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1878] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1875] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1881] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1880] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1879] <... futex resumed>)        = 0
[pid  1877] <... futex resumed>)        = 0
[pid  1875] <... futex resumed>)        = 0
[pid  1881] <... futex resumed>)        = 1
[pid  1880] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1879] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1877] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1876] <... futex resumed>)        = 0
[pid  1881] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1880] <... mmap resumed>)         = 0x7fb4de009000
[pid  1879] <... openat resumed>)       = 4
[pid  1878] <... futex resumed>)        = 0
[pid  1877] <... futex resumed>)        = 1
[pid  1876] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1875] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1881] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1880] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1879] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1878] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1877] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1876] <... futex resumed>)        = 0
[pid  1881] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1880] <... mprotect resumed>)     = 0
[pid  1879] <... futex resumed>)        = 0
[pid  1876] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1875] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1881] <... write resumed>)        = 2
[pid  1880] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1879] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1878] <... openat resumed>)       = 4
[pid  1881] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1875] exit_group(0 <unfinished ...>
[pid  1881] <... futex resumed>)        = 1
[pid  1880] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1881] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1880] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1879] <... futex resumed>)        = ?
[pid  1876] <... futex resumed>)        = 0
[pid  1878] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1875] <... exit_group resumed>)   = ?
[pid  1879] +++ exited with 0 +++
[pid  1880] <... clone3 resumed> => {parent_tid=[1882]}, 88) = 1882
[pid  1880] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1880] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1880] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1882 attached
 <unfinished ...>
[pid  1882] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  1882] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1882] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  1875] +++ exited with 0 +++
[pid  1882] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1876] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1881] <... futex resumed>)        = 0
[pid  1878] <... futex resumed>)        = 1
[pid  1877] <... futex resumed>)        = 0
[pid  1876] <... futex resumed>)        = 1
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1875, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1882] <... futex resumed>)        = 1
[pid  1881] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1880] <... futex resumed>)        = 0
[pid  1878] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1877] exit_group(0 <unfinished ...>
[pid  1876] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1882] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1881] <... openat resumed>)       = 4
[pid  1880] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1878] <... futex resumed>)        = ?
[pid  1877] <... exit_group resumed>)   = ?
[pid  1882] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1881] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1880] <... futex resumed>)        = 0
[pid  1882] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1881] <... futex resumed>)        = 1
[pid  1880] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1882] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1881] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1878] +++ exited with 0 +++
[pid  1877] +++ exited with 0 +++
[pid  1876] <... futex resumed>)        = 0
[pid  1882] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1876] exit_group(0 <unfinished ...>
[pid  1880] <... futex resumed>)        = 0
[pid  1880] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1880] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1882] <... futex resumed>)        = 1
[pid  1882] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1877, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1881] <... futex resumed>)        = ?
[pid  1876] <... exit_group resumed>)   = ?
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1881] +++ exited with 0 +++
[pid  1882] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1880] <... futex resumed>)        = 0
[pid  1882] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1880] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1882] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1880] <... futex resumed>)        = 0
[pid  1882] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1880] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1882] <... write resumed>)        = 2
[pid  1882] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1880] <... futex resumed>)        = 0
[pid  1882] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1880] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1876] +++ exited with 0 +++
[pid  1882] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1880] <... futex resumed>)        = 0
[pid  1882] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1880] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1882] <... openat resumed>)       = 4
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1876, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1882] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1880] <... futex resumed>)        = 0
[pid  1882] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1880] exit_group(0 <unfinished ...>
[pid  1882] <... futex resumed>)        = ?
[pid  1880] <... exit_group resumed>)   = ?
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1882] +++ exited with 0 +++
[pid  1880] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1880, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1883 attached
, child_tidptr=0x55557716c690) = 1883
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1883] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1883] <... set_robust_list resumed>) = 0
[pid  1883] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1883] setpgid(0, 0)               = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
executing program
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1883] <... openat resumed>)       = 3
[pid  1883] write(3, "1000", 4)         = 4
[pid  1883] close(3)                    = 0
[pid  1883] write(1, "executing program\n", 18) = 18
[pid  1883] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1883] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}ci2-android-6-12-rust/strace-static-x86_64: Process 1884 attached
, NULL, 8) = 0
[pid  1883] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1884] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1883] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1884] <... set_robust_list resumed>) = 0
[pid  1883] <... mmap resumed>)         = 0x7fb4de009000
[pid  1884] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1883] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1884
[pid  1884] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1883] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1884] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1884] <... prctl resumed>)        = 0
[pid  1883] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1884] setpgid(0, 0 <unfinished ...>
[pid  1883] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1884] <... setpgid resumed>)      = 0
[pid  1884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-12-rust/strace-static-x86_64: Process 1885 attached
 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1886 attached
[pid  1885] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1884] <... openat resumed>)       = 3
[pid  1883] <... clone3 resumed> => {parent_tid=[1885]}, 88) = 1885
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1886
[pid  1886] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1885] <... set_robust_list resumed>) = 0
[pid  1884] write(3, "1000", 4 <unfinished ...>
[pid  1885] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1886] <... set_robust_list resumed>) = 0
[pid  1885] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1885] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1886] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1884] <... write resumed>)        = 4
[pid  1883] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1886] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1884] close(3 <unfinished ...>
[pid  1883] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1886] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1884] <... close resumed>)        = 0
[pid  1883] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1886] <... prctl resumed>)        = 0
[pid  1885] <... futex resumed>)        = 0
[pid  1884] write(1, "executing program\n", 18 <unfinished ...>
[pid  1883] <... futex resumed>)        = 1
executing program
[pid  1886] setpgid(0, 0 <unfinished ...>
[pid  1885] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1884] <... write resumed>)        = 18
[pid  1883] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1886] <... setpgid resumed>)      = 0
[pid  1885] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1884] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1885] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1884] <... futex resumed>)        = 0
[pid  1885] <... futex resumed>)        = 1
[pid  1883] <... futex resumed>)        = 0
[pid  1886] <... openat resumed>)       = 3
[pid  1885] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1884] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1883] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1886] write(3, "1000", 4 <unfinished ...>
[pid  1884] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1883] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  1886] <... write resumed>)        = 4
[pid  1885] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1884] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1883] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1886] close(3 <unfinished ...>
[pid  1885] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1884] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1883] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1886] <... close resumed>)        = 0
[pid  1885] <... futex resumed>)        = 0
[pid  1884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1883] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1886] write(1, "executing program\n", 18 <unfinished ...>
[pid  1885] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1884] <... mmap resumed>)         = 0x7fb4de009000
[pid  1883] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1886] <... write resumed>)        = 18
[pid  1885] <... openat resumed>)       = 3
executing program
[pid  1884] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1883] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1886] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1885] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1884] <... mprotect resumed>)     = 0
[pid  1883] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 1887 attached
[pid  1885] <... futex resumed>)        = 0
[pid  1887] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1886] <... futex resumed>)        = 0
[pid  1885] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1884] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1883] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1886] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1884] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1883] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1887
[pid  1887] <... set_robust_list resumed>) = 0
[pid  1886] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1885] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1884] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1883] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1888 attached
 <unfinished ...>
[pid  1887] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1886] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1885] write(3, "\x38\x00", 2 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1887] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1886] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1888] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1885] <... write resumed>)        = 2
[pid  1886] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1888] <... set_robust_list resumed>) = 0
[pid  1887] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1886] <... mmap resumed>)         = 0x7fb4de009000
[pid  1885] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1884] <... clone3 resumed> => {parent_tid=[1888]}, 88) = 1888
[pid  1888] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1887] <... prctl resumed>)        = 0
[pid  1886] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1885] <... futex resumed>)        = 1
[pid  1884] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1883] <... futex resumed>)        = 0
[pid  1888] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1887] setpgid(0, 0 <unfinished ...>
[pid  1886] <... mprotect resumed>)     = 0
[pid  1885] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1884] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1883] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1888] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1887] <... setpgid resumed>)      = 0
[pid  1885] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1883] <... futex resumed>)        = 0
[pid  1887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1886] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1885] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1884] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1883] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1886] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1884] <... futex resumed>)        = 1
[pid  1888] <... futex resumed>)        = 0
[pid  1886] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1885] <... openat resumed>)       = 4
[pid  1884] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1888] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1887] <... openat resumed>)       = 3
[pid  1885] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1889 attached
) = 1
[pid  1883] <... futex resumed>)        = 0
[pid  1889] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1888] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1887] write(3, "1000", 4 <unfinished ...>
[pid  1886] <... clone3 resumed> => {parent_tid=[1889]}, 88) = 1889
[pid  1885] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1883] exit_group(0 <unfinished ...>
[pid  1889] <... set_robust_list resumed>) = 0
[pid  1888] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1887] <... write resumed>)        = 4
[pid  1886] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1885] <... futex resumed>)        = ?
[pid  1883] <... exit_group resumed>)   = ?
[pid  1889] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1886] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1889] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1889] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1886] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1889] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1886] <... futex resumed>)        = 0
[pid  1886] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1889] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1886] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1889] <... futex resumed>)        = 0
[pid  1889] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1886] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1889] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1886] <... futex resumed>)        = 0
[pid  1889] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1886] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1889] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1888] <... futex resumed>)        = 1
[pid  1884] <... futex resumed>)        = 0
[pid  1884] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1884] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1889] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1886] <... futex resumed>)        = 0
[pid  1889] <... futex resumed>)        = 1
[pid  1886] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1889] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1886] <... futex resumed>)        = 0
[pid  1889] <... openat resumed>)       = 3
[pid  1886] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1889] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1886] <... futex resumed>)        = 0
[pid  1889] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1886] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1889] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1886] <... futex resumed>)        = 0
[pid  1885] +++ exited with 0 +++
[pid  1883] +++ exited with 0 +++
[pid  1889] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1888] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1887] close(3 <unfinished ...>
[pid  1886] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1889] <... write resumed>)        = 2
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1883, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1889] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1887] <... close resumed>)        = 0
[pid  1886] <... futex resumed>)        = 0
[pid  1887] write(1, "executing program\n", 18 <unfinished ...>
[pid  1888] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
executing program
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1888] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1887] <... write resumed>)        = 18
[pid  1888] <... futex resumed>)        = 1
[pid  1889] <... futex resumed>)        = 1
[pid  1888] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1887] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1886] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1884] <... futex resumed>)        = 0
[pid  1889] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1887] <... futex resumed>)        = 0
[pid  1886] <... futex resumed>)        = 0
[pid  1884] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1889] <... openat resumed>)       = 4
[pid  1886] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1884] <... futex resumed>)        = 1
[pid  1889] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1888] <... futex resumed>)        = 0
[pid  1887] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1884] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1889] <... futex resumed>)        = 1
[pid  1888] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1887] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1886] <... futex resumed>)        = 0
[pid  1889] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1888] <... openat resumed>)       = 3
[pid  1887] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1886] exit_group(0 <unfinished ...>
[pid  1889] <... futex resumed>)        = ?
[pid  1888] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1887] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1886] <... exit_group resumed>)   = ?
[pid  1889] +++ exited with 0 +++
[pid  1888] <... futex resumed>)        = 1
[pid  1887] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1886] +++ exited with 0 +++
[pid  1884] <... futex resumed>)        = 0
[pid  1884] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1888] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1887] <... mmap resumed>)         = 0x7fb4de009000
[pid  1884] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1888] <... write resumed>)        = 2
[pid  1887] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1888] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1886, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1887] <... mprotect resumed>)     = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  1888] <... futex resumed>)        = 1
[pid  1884] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1884] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1887] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1884] <... futex resumed>)        = 0
[pid  1888] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1884] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1888] <... openat resumed>)       = 4
[pid  1887] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1887] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1890 attached
 <unfinished ...>
[pid  1890] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1887] <... clone3 resumed> => {parent_tid=[1890]}, 88) = 1890
[pid  1890] <... set_robust_list resumed>) = 0
[pid  1887] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1890] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1887] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1890] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1887] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1890] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1887] <... futex resumed>)        = 0
[pid  1890] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1887] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1890] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1890] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1887] <... futex resumed>)        = 0
[pid  1890] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1887] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1890] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1887] <... futex resumed>)        = 0
[pid  1890] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1887] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1890] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1887] <... futex resumed>)        = 0
[pid  1890] <... futex resumed>)        = 1
[pid  1887] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1890] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1887] <... futex resumed>)        = 0
[pid  1890] <... openat resumed>)       = 3
[pid  1887] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1890] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1887] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1888] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1888] <... futex resumed>)        = 1
[pid  1884] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1888] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1890] <... futex resumed>)        = 1
[pid  1887] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1890] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1887] <... futex resumed>)        = 0
[pid  1890] <... write resumed>)        = 2
[pid  1887] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1890] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1887] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1890] <... futex resumed>)        = 0
[pid  1887] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1890] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1887] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1891 attached
[pid  1890] <... openat resumed>)       = 4
[pid  1887] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1890] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1887] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1890] <... futex resumed>)        = 0
[pid  1887] exit_group(0)               = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 1892 attached
[pid  1891] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1890] +++ exited with 0 +++
[pid  1887] +++ exited with 0 +++
[pid  1884] exit_group(0 <unfinished ...>
[pid  1892] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1891] <... set_robust_list resumed>) = 0
[pid  1888] <... futex resumed>)        = ?
[pid  1884] <... exit_group resumed>)   = ?
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1887, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1891
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1892
[pid  1888] +++ exited with 0 +++
[pid  1892] <... set_robust_list resumed>) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1892] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1892] setpgid(0, 0)               = 0
[pid  1892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1884] +++ exited with 0 +++
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1892] <... openat resumed>)       = 3
[pid  1891] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1884, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1892] write(3, "1000", 4 <unfinished ...>
[pid  1891] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1892] <... write resumed>)        = 4
[pid  1892] close(3)                    = 0
[pid  1892] write(1, "executing program\n", 18) = 18
[pid  1891] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1892] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid  1892] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1892] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1891] <... prctl resumed>)        = 0
[pid  1892] <... mmap resumed>)         = 0x7fb4de009000
[pid  1892] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1891] setpgid(0, 0)               = 0
[pid  1892] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1892] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1891] <... openat resumed>)       = 3
[pid  1891] write(3, "1000", 4ci2-android-6-12-rust/strace-static-x86_64: Process 1893 attached
 <unfinished ...>
[pid  1893] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1892] <... clone3 resumed> => {parent_tid=[1893]}, 88) = 1893
[pid  1891] <... write resumed>)        = 4
[pid  1893] <... set_robust_list resumed>) = 0
[pid  1892] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1893] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1892] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1893] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1892] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1893] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1892] <... futex resumed>)        = 0
[pid  1892] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1893] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1893] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1892] <... futex resumed>)        = 0
[pid  1893] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1892] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1893] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1892] <... futex resumed>)        = 0
[pid  1893] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1892] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1893] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1891] close(3 <unfinished ...>
[pid  1893] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1891] <... close resumed>)        = 0
[pid  1893] <... futex resumed>)        = 1
[pid  1892] <... futex resumed>)        = 0
[pid  1891] write(1, "executing program\n", 18 <unfinished ...>
[pid  1893] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1892] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1893] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1891] <... write resumed>)        = 18
executing program
[pid  1893] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1892] <... futex resumed>)        = 0
[pid  1891] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1893] <... openat resumed>)       = 3
[pid  1892] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1891] <... futex resumed>)        = 0
[pid  1893] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1892] <... futex resumed>)        = 0
[pid  1893] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1892] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1891] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1893] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1892] <... futex resumed>)        = 0
[pid  1891] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1893] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1892] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1891] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1893] <... write resumed>)        = 2
[pid  1893] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1891] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1893] <... futex resumed>)        = 1
[pid  1892] <... futex resumed>)        = 0
[pid  1891] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1893] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1892] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1893] <... openat resumed>)       = 4
[pid  1892] <... futex resumed>)        = 0
[pid  1891] <... mmap resumed>)         = 0x7fb4de009000
[pid  1892] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1891] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1893] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1893] <... futex resumed>)        = 1
[pid  1892] <... futex resumed>)        = 0
[pid  1891] <... mprotect resumed>)     = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1893] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1892] exit_group(0 <unfinished ...>
[pid  1891] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1893] <... futex resumed>)        = ?
[pid  1892] <... exit_group resumed>)   = ?
[pid  1891] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1893] +++ exited with 0 +++
[pid  1892] +++ exited with 0 +++
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1891] <... clone3 resumed> => {parent_tid=[1894]}, 88) = 1894
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1892, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1891] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1891] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1891] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1894 attached
 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1895 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1896 attached
 <unfinished ...>
[pid  1894] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1891] <... futex resumed>)        = 0
[pid  1895] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1896] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1894] <... set_robust_list resumed>) = 0
[pid  1891] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1895] <... set_robust_list resumed>) = 0
[pid  1896] <... set_robust_list resumed>) = 0
[pid  1894] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1896
[pid  1895] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1896] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1894] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1895
[pid  1894] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1895] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1896] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1894] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1895] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1896] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1894] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1895] <... prctl resumed>)        = 0
[pid  1896] <... prctl resumed>)        = 0
[pid  1894] <... futex resumed>)        = 1
[pid  1891] <... futex resumed>)        = 0
[pid  1895] setpgid(0, 0 <unfinished ...>
[pid  1896] setpgid(0, 0 <unfinished ...>
[pid  1895] <... setpgid resumed>)      = 0
[pid  1896] <... setpgid resumed>)      = 0
[pid  1894] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1891] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1894] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1891] <... futex resumed>)        = 0
[pid  1895] <... openat resumed>)       = 3
[pid  1891] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1896] <... openat resumed>)       = 3
[pid  1896] write(3, "1000", 4 <unfinished ...>
[pid  1894] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1895] write(3, "1000", 4 <unfinished ...>
[pid  1896] <... write resumed>)        = 4
[pid  1894] <... futex resumed>)        = 1
[pid  1891] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1895] <... write resumed>)        = 4
[pid  1896] close(3 <unfinished ...>
[pid  1894] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1891] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1895] close(3 <unfinished ...>
[pid  1896] <... close resumed>)        = 0
[pid  1891] <... futex resumed>)        = 0
[pid  1895] <... close resumed>)        = 0
[pid  1896] write(1, "executing program\n", 18 <unfinished ...>
[pid  1894] <... openat resumed>)       = 3
[pid  1891] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1895] write(1, "executing program\n", 18) = 18
[pid  1896] <... write resumed>)        = 18
[pid  1894] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1891] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1895] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1896] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1894] <... futex resumed>)        = 0
[pid  1891] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1895] <... futex resumed>)        = 0
[pid  1896] <... futex resumed>)        = 0
[pid  1894] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1891] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1895] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1896] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1894] <... write resumed>)        = 2
executing program
executing program
[pid  1891] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1895] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1895] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1897 attached
[pid  1896] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1894] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1891] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1896] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1894] <... futex resumed>)        = 0
[pid  1891] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1897
[pid  1897] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1895] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1896] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1894] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1891] <... futex resumed>)        = 0
[pid  1897] <... set_robust_list resumed>) = 0
[pid  1895] <... mprotect resumed>)     = 0
[pid  1896] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1896] <... mmap resumed>)         = 0x7fb4de009000
[pid  1894] <... openat resumed>)       = 4
[pid  1891] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1897] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1896] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1895] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1896] <... mprotect resumed>)     = 0
[pid  1897] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1895] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1897] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1896] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1897] <... prctl resumed>)        = 0
[pid  1896] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1894] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1897] setpgid(0, 0ci2-android-6-12-rust/strace-static-x86_64: Process 1898 attached
)               = 0
[pid  1895] <... clone3 resumed> => {parent_tid=[1898]}, 88) = 1898
[pid  1896] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1894] <... futex resumed>)        = 1
[pid  1891] <... futex resumed>)        = 0
[pid  1898] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1895] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1898] <... set_robust_list resumed>) = 0
[pid  1895] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1891] exit_group(0 <unfinished ...>
[pid  1898] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1895] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1899 attached
 <unfinished ...>
[pid  1898] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1895] <... futex resumed>)        = 0
[pid  1891] <... exit_group resumed>)   = ?
[pid  1899] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1898] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1897] <... openat resumed>)       = 3
[pid  1895] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1899] <... set_robust_list resumed>) = 0
[pid  1898] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1899] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1898] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1899] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1898] <... futex resumed>)        = 1
[pid  1895] <... futex resumed>)        = 0
[pid  1899] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1898] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1895] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1898] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1895] <... futex resumed>)        = 0
[pid  1898] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1895] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1898] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1898] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1895] <... futex resumed>)        = 0
[pid  1895] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1894] +++ exited with 0 +++
[pid  1891] +++ exited with 0 +++
[pid  1896] <... clone3 resumed> => {parent_tid=[1899]}, 88) = 1899
[pid  1897] write(3, "1000", 4 <unfinished ...>
[pid  1896] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1897] <... write resumed>)        = 4
[pid  1896] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1891, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1898] <... futex resumed>)        = 1
[pid  1895] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1898] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  1897] close(3 <unfinished ...>
[pid  1896] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1898] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1899] <... futex resumed>)        = 0
[pid  1898] <... futex resumed>)        = 1
[pid  1897] <... close resumed>)        = 0
[pid  1895] <... futex resumed>)        = 0
[pid  1896] <... futex resumed>)        = 1
[pid  1899] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1898] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1897] write(1, "executing program\n", 18 <unfinished ...>
[pid  1895] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1899] <... mkdirat resumed>)      = -1 EEXIST (File exists)
executing program
[pid  1898] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1897] <... write resumed>)        = 18
[pid  1895] <... futex resumed>)        = 0
[pid  1896] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1899] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1898] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1895] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1899] <... futex resumed>)        = 0
[pid  1898] <... write resumed>)        = 2
[pid  1897] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1896] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1899] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1898] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1897] <... futex resumed>)        = 0
[pid  1896] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1899] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1898] <... futex resumed>)        = 1
[pid  1897] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1895] <... futex resumed>)        = 0
[pid  1899] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1898] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1897] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1895] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1896] <... futex resumed>)        = 0
[pid  1899] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1898] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1897] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1895] <... futex resumed>)        = 0
[pid  1897] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1895] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1896] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1899] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1898] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1897] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1896] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1899] <... futex resumed>)        = 0
[pid  1898] <... openat resumed>)       = 4
[pid  1899] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1897] <... mmap resumed>)         = 0x7fb4de009000
[pid  1896] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1899] <... openat resumed>)       = 3
[pid  1898] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1897] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1896] <... futex resumed>)        = 0
[pid  1899] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1898] <... futex resumed>)        = 1
[pid  1895] <... futex resumed>)        = 0
[pid  1896] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1899] <... futex resumed>)        = 0
[pid  1898] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1897] <... mprotect resumed>)     = 0
[pid  1895] exit_group(0 <unfinished ...>
[pid  1899] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1898] <... futex resumed>)        = ?
[pid  1897] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1895] <... exit_group resumed>)   = ?
[pid  1897] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1896] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1897] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1896] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1900 attached
 <unfinished ...>
[pid  1899] <... futex resumed>)        = 0
[pid  1898] +++ exited with 0 +++
[pid  1895] +++ exited with 0 +++
[pid  1896] <... futex resumed>)        = 1
[pid   314] <... restart_syscall resumed>) = 0
[pid  1899] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1897] <... clone3 resumed> => {parent_tid=[1900]}, 88) = 1900
[pid  1896] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1895, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1900] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1899] <... write resumed>)        = 2
[pid  1897] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1899] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1900] <... set_robust_list resumed>) = 0
[pid  1899] <... futex resumed>)        = 1
[pid  1896] <... futex resumed>)        = 0
[pid  1899] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1897] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1896] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1900] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1899] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1897] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1899] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1896] <... futex resumed>)        = 0
[pid  1899] <... openat resumed>)       = 4
[pid  1896] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1900] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1897] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1899] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1900] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1899] <... futex resumed>)        = 1
[pid  1897] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1896] <... futex resumed>)        = 0
[pid  1900] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1899] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1896] exit_group(0 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1900] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1899] <... futex resumed>)        = ?
[pid  1896] <... exit_group resumed>)   = ?
[pid  1900] <... futex resumed>)        = 1
[pid  1899] +++ exited with 0 +++
[pid  1897] <... futex resumed>)        = 0
[pid  1896] +++ exited with 0 +++
[pid  1900] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1897] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1901 attached
 <unfinished ...>
[pid  1901] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1901] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1897] <... futex resumed>)        = 0
[pid  1900] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1897] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1896, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1901
[pid  1901] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1901] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1900] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1901] <... prctl resumed>)        = 0
[pid  1901] setpgid(0, 0)               = 0
[pid  1901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1900] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1901] <... openat resumed>)       = 3
[pid  1901] write(3, "1000", 4)         = 4
[pid  1901] close(3)                    = 0
[pid  1901] write(1, "executing program\n", 18) = 18
[pid  1901] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid  1901] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1901] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1901] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1900] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1901] <... mprotect resumed>)     = 0
[pid  1900] <... futex resumed>)        = 1
[pid  1897] <... futex resumed>)        = 0
[pid  1901] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1900] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1897] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1901] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1900] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1901] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1900] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1897] <... futex resumed>)        = 0
[pid  1900] <... openat resumed>)       = 3
[pid  1897] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1902 attached
 <unfinished ...>
[pid  1901] <... clone3 resumed> => {parent_tid=[1902]}, 88) = 1902
[pid  1900] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1901] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1901] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1900] <... futex resumed>)        = 1
[pid  1897] <... futex resumed>)        = 0
[pid  1902] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1901] <... futex resumed>)        = 0
[pid  1900] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1897] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1901] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1897] <... futex resumed>)        = 0
[pid  1900] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1902] <... set_robust_list resumed>) = 0
[pid  1900] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1897] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1902] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1900] <... write resumed>)        = 2
[pid  1900] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1902] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1897] <... futex resumed>)        = 0
[pid  1900] <... futex resumed>)        = 1
[pid  1897] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1900] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1897] <... futex resumed>)        = 0
[pid  1902] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1897] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1902] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1900] <... openat resumed>)       = 4
[pid  1902] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1901] <... futex resumed>)        = 0
[pid  1902] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1901] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1902] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1901] <... futex resumed>)        = 0
[pid  1902] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1901] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1902] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1900] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1902] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1900] <... futex resumed>)        = 1
[pid  1897] <... futex resumed>)        = 0
[pid  1900] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1902] <... futex resumed>)        = 1
[pid  1901] <... futex resumed>)        = 0
[pid  1902] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1901] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1902] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1901] <... futex resumed>)        = 0
[pid  1897] exit_group(0 <unfinished ...>
[pid  1902] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1901] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1902] <... openat resumed>)       = 3
[pid  1900] <... futex resumed>)        = ?
[pid  1897] <... exit_group resumed>)   = ?
[pid  1902] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1901] <... futex resumed>)        = 0
[pid  1901] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1902] <... futex resumed>)        = 1
[pid  1901] <... futex resumed>)        = 0
[pid  1900] +++ exited with 0 +++
[pid  1902] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1901] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1902] <... write resumed>)        = 2
[pid  1902] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1901] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  1902] <... futex resumed>)        = 1
[pid  1901] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1902] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1901] <... futex resumed>)        = 0
[pid  1902] <... openat resumed>)       = 4
[pid  1901] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1902] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1901] <... futex resumed>)        = 0
[pid  1902] <... futex resumed>)        = 1
[pid  1901] exit_group(0 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1902] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid  1901] <... exit_group resumed>)   = ?
[pid  1902] +++ exited with 0 +++
[pid  1901] +++ exited with 0 +++
[pid  1897] +++ exited with 0 +++
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1901, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1897, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1903 attached
 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1903] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1903
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1903] <... set_robust_list resumed>) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1903] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1903] setpgid(0, 0ci2-android-6-12-rust/strace-static-x86_64: Process 1904 attached
 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1904
[pid  1904] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1903] <... setpgid resumed>)      = 0
[pid  1904] <... set_robust_list resumed>) = 0
[pid  1903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1904] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1903] <... openat resumed>)       = 3
[pid  1904] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1903] write(3, "1000", 4 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1904] <... prctl resumed>)        = 0
[pid  1904] setpgid(0, 0 <unfinished ...>
[pid  1903] <... write resumed>)        = 4
[pid  1904] <... setpgid resumed>)      = 0
[pid  1903] close(3 <unfinished ...>
[pid  1904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1903] <... close resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1903] write(1, "executing program\n", 18 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1904] <... openat resumed>)       = 3
[pid  1903] <... write resumed>)        = 18
executing program
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1904] write(3, "1000", 4 <unfinished ...>
[pid  1903] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1904] <... write resumed>)        = 4
[pid  1903] <... futex resumed>)        = 0
executing program
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1904] close(3 <unfinished ...>
[pid  1903] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1904] <... close resumed>)        = 0
[pid  1903] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1904] write(1, "executing program\n", 18 <unfinished ...>
[pid  1903] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1904] <... write resumed>)        = 18
[pid  1903] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1904] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1904] <... futex resumed>)        = 0
[pid  1903] <... mmap resumed>)         = 0x7fb4de009000
[pid  1904] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}ci2-android-6-12-rust/strace-static-x86_64: Process 1905 attached
, NULL, 8) = 0
[pid  1903] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1905] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1904] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1903] <... mprotect resumed>)     = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1905
[pid  1904] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1904] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1903] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1905] <... set_robust_list resumed>) = 0
[pid  1904] <... mmap resumed>)         = 0x7fb4de009000
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1905] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1904] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1903] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1904] <... mprotect resumed>)     = 0
[pid  1903] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1906 attached
 <unfinished ...>
[pid  1905] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1904] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1903] <... clone3 resumed> => {parent_tid=[1906]}, 88) = 1906
[pid  1904] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1903] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1905] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-6-12-rust/strace-static-x86_64: Process 1907 attached
 <unfinished ...>
[pid  1903] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1908 attached
[pid  1907] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1903] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1907] <... set_robust_list resumed>) = 0
[pid  1906] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1905] <... prctl resumed>)        = 0
[pid  1904] <... clone3 resumed> => {parent_tid=[1907]}, 88) = 1907
[pid  1903] <... futex resumed>)        = 0
[pid  1908] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1907] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1906] <... set_robust_list resumed>) = 0
[pid  1905] setpgid(0, 0 <unfinished ...>
[pid  1904] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1903] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1908] <... set_robust_list resumed>) = 0
[pid  1907] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1906] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1905] <... setpgid resumed>)      = 0
[pid  1904] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1908
[pid  1908] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1907] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1906] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1904] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1907] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1904] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1907] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1904] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1907] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1907] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1904] <... futex resumed>)        = 0
[pid  1907] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1904] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1907] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1904] <... futex resumed>)        = 0
[pid  1907] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1904] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1907] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1906] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1908] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1907] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1905] <... openat resumed>)       = 3
[pid  1904] <... futex resumed>)        = 0
[pid  1907] <... futex resumed>)        = 1
[pid  1908] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1906] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1905] write(3, "1000", 4 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1908] <... prctl resumed>)        = 0
[pid  1906] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1908] setpgid(0, 0 <unfinished ...>
[pid  1905] <... write resumed>)        = 4
[pid  1908] <... setpgid resumed>)      = 0
[pid  1906] <... futex resumed>)        = 1
[pid  1905] close(3 <unfinished ...>
[pid  1907] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1904] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1903] <... futex resumed>)        = 0
[pid  1907] <... openat resumed>)       = 3
[pid  1906] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1905] <... close resumed>)        = 0
[pid  1904] <... futex resumed>)        = 0
[pid  1903] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1908] <... openat resumed>)       = 3
[pid  1907] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1906] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1905] write(1, "executing program\n", 18 <unfinished ...>
[pid  1904] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1903] <... futex resumed>)        = 0
executing program
[pid  1908] write(3, "1000", 4 <unfinished ...>
[pid  1907] <... futex resumed>)        = 0
[pid  1906] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1905] <... write resumed>)        = 18
[pid  1904] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1903] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1908] <... write resumed>)        = 4
[pid  1907] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1904] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1908] close(3 <unfinished ...>
[pid  1907] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1906] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1905] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1904] <... futex resumed>)        = 0
[pid  1908] <... close resumed>)        = 0
[pid  1907] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1905] <... futex resumed>)        = 0
[pid  1904] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1908] write(1, "executing program\n", 18 <unfinished ...>
[pid  1907] <... write resumed>)        = 2
[pid  1906] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1905] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1908] <... write resumed>)        = 18
[pid  1907] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1906] <... futex resumed>)        = 1
[pid  1903] <... futex resumed>)        = 0
executing program
[pid  1908] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1907] <... futex resumed>)        = 1
[pid  1905] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1906] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1904] <... futex resumed>)        = 0
[pid  1903] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1908] <... futex resumed>)        = 0
[pid  1907] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1906] <... openat resumed>)       = 3
[pid  1905] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1904] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1903] <... futex resumed>)        = 0
[pid  1908] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1907] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1906] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1905] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1904] <... futex resumed>)        = 0
[pid  1903] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1908] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1907] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1906] <... futex resumed>)        = 0
[pid  1905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1904] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1903] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1908] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1907] <... openat resumed>)       = 4
[pid  1906] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1903] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1908] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1906] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1903] <... futex resumed>)        = 0
[pid  1908] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1906] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1905] <... mmap resumed>)         = 0x7fb4de009000
[pid  1903] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1908] <... mmap resumed>)         = 0x7fb4de009000
[pid  1907] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1906] <... write resumed>)        = 2
[pid  1905] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1908] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1907] <... futex resumed>)        = 1
[pid  1906] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1904] <... futex resumed>)        = 0
[pid  1907] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1905] <... mprotect resumed>)     = 0
[pid  1904] exit_group(0 <unfinished ...>
[pid  1908] <... mprotect resumed>)     = 0
[pid  1906] <... futex resumed>)        = 1
[pid  1903] <... futex resumed>)        = 0
[pid  1908] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1906] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1905] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1903] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1908] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1906] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1905] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1903] <... futex resumed>)        = 0
[pid  1908] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1906] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1905] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1903] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1907] <... futex resumed>)        = ?
[pid  1906] <... openat resumed>)       = 4
[pid  1904] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 1910 attached
[pid  1907] +++ exited with 0 +++
[pid  1906] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1904] +++ exited with 0 +++
[pid  1910] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1908] <... clone3 resumed> => {parent_tid=[1910]}, 88) = 1910
[pid  1906] <... futex resumed>)        = 1
[pid  1903] <... futex resumed>)        = 0
[pid  1910] <... set_robust_list resumed>) = 0
[pid  1908] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1906] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1905] <... clone3 resumed> => {parent_tid=[1909]}, 88) = 1909
[pid  1910] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1908] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1905] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1903] exit_group(0 <unfinished ...>
[pid  1910] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1908] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1905] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1904, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1903] <... exit_group resumed>)   = ?
[pid  1910] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1906] <... futex resumed>)        = ?
[pid  1908] <... futex resumed>)        = 0
[pid  1905] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1908] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1909 attached
 <unfinished ...>
[pid  1909] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  1909] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1910] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1909] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1905] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1910] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1909] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1906] +++ exited with 0 +++
[pid  1903] +++ exited with 0 +++
[pid  1910] <... futex resumed>)        = 1
[pid  1909] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1908] <... futex resumed>)        = 0
[pid  1905] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1910] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1909] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1908] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1903, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1905] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1905] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1911 attached
[pid  1910] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1909] <... futex resumed>)        = 0
[pid  1908] <... futex resumed>)        = 0
[pid  1905] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1911] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1910] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1909] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1908] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1911] <... set_robust_list resumed>) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1911
[pid  1911] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1911] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1910] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1909] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1909] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1911] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1910] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1909] <... futex resumed>)        = 1
[pid  1905] <... futex resumed>)        = 0
[pid  1911] <... prctl resumed>)        = 0
[pid  1910] <... futex resumed>)        = 1
[pid  1909] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1908] <... futex resumed>)        = 0
[pid  1905] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1911] setpgid(0, 0 <unfinished ...>
[pid  1910] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1909] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1908] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1911] <... setpgid resumed>)      = 0
[pid  1910] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1909] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1908] <... futex resumed>)        = 0
[pid  1905] <... futex resumed>)        = 0
[pid  1911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1910] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1909] <... openat resumed>)       = 3
[pid  1908] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1905] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1910] <... openat resumed>)       = 3
[pid  1909] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1910] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1909] <... futex resumed>)        = 0
[pid  1905] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1911] <... openat resumed>)       = 3
[pid  1910] <... futex resumed>)        = 1
[pid  1909] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1908] <... futex resumed>)        = 0
[pid  1905] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1911] write(3, "1000", 4 <unfinished ...>
[pid  1910] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1909] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1908] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1905] <... futex resumed>)        = 0
[pid  1911] <... write resumed>)        = 4
[pid  1911] close(3)                    = 0
[pid  1911] write(1, "executing program\n", 18) = 18
[pid  1911] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1910] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1909] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1910] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1908] <... futex resumed>)        = 0
[pid  1905] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1911] <... futex resumed>)        = 0
[pid  1910] <... write resumed>)        = 2
[pid  1909] <... write resumed>)        = 2
[pid  1908] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1911] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1910] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1909] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1908] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1911] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1910] <... futex resumed>)        = 0
[pid  1909] <... futex resumed>)        = 1
[pid  1908] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1905] <... futex resumed>)        = 0
executing program
[pid  1911] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1910] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1909] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1908] <... futex resumed>)        = 0
[pid  1905] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1911] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1909] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1908] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1905] <... futex resumed>)        = 0
[pid  1911] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1905] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1911] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1910] <... openat resumed>)       = 4
[pid  1909] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1911] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1910] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1909] <... openat resumed>)       = 4
[pid  1908] <... futex resumed>)        = 0
[pid  1911] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1911] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1908] exit_group(0 <unfinished ...>
[pid  1910] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 1912 attached
[pid  1909] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1908] <... exit_group resumed>)   = ?
[pid  1905] <... futex resumed>)        = 0
[pid  1912] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  1911] <... clone3 resumed> => {parent_tid=[1912]}, 88) = 1912
[pid  1912] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1911] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1905] exit_group(0 <unfinished ...>
[pid  1912] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1911] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1912] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1911] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1912] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1911] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1912] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1911] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1912] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1911] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1912] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1912] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1911] <... futex resumed>)        = 0
[pid  1912] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1911] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1912] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1911] <... futex resumed>)        = 0
[pid  1911] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1910] +++ exited with 0 +++
[pid  1908] +++ exited with 0 +++
[pid  1909] <... futex resumed>)        = 1
[pid  1905] <... exit_group resumed>)   = ?
[pid  1909] +++ exited with 0 +++
[pid  1912] <... futex resumed>)        = 1
[pid  1911] <... futex resumed>)        = 0
[pid  1912] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1911] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1912] <... openat resumed>)       = 3
[pid  1912] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1911] <... futex resumed>)        = 0
[pid  1912] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1911] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1912] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1911] <... futex resumed>)        = 0
[pid  1912] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1911] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1912] <... write resumed>)        = 2
[pid  1905] +++ exited with 0 +++
[pid   315] <... restart_syscall resumed>) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1908, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1912] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1911] <... futex resumed>)        = 0
[pid  1912] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1911] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1905, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1912] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1911] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1912] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1911] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1912] <... openat resumed>)       = 4
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1912] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1911] <... futex resumed>)        = 0
[pid  1911] exit_group(0 <unfinished ...>
[pid  1912] <... futex resumed>)        = 1
[pid  1912] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid  1911] <... exit_group resumed>)   = ?
[pid  1912] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 1913 attached
[pid  1911] +++ exited with 0 +++
[pid  1913] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1913] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1913
[pid  1913] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1913] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1911, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1913] <... prctl resumed>)        = 0
[pid  1913] setpgid(0, 0)               = 0
[pid  1913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1913] write(3, "1000", 4)         = 4
[pid   313] <... restart_syscall resumed>) = 0
[pid  1913] close(3)                    = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1913] write(1, "executing program\n", 18 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
executing program
[pid  1913] <... write resumed>)        = 18
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1913] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1913] <... futex resumed>)        = 0
[pid  1913] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1913] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1914 attached
 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1914
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1914] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1913] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1913] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1913] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITEci2-android-6-12-rust/strace-static-x86_64: Process 1915 attached
 <unfinished ...>
[pid  1914] <... set_robust_list resumed>) = 0
[pid  1913] <... mprotect resumed>)     = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1915] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1914] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1913] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1915
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1915] <... set_robust_list resumed>) = 0
[pid  1914] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1913] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1915] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1914] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1915] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1913] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1917 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1916 attached
 <unfinished ...>
[pid  1917] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1916] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1915] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1914] <... prctl resumed>)        = 0
[pid  1913] <... clone3 resumed> => {parent_tid=[1917]}, 88) = 1917
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1916
[pid  1917] <... set_robust_list resumed>) = 0
[pid  1916] <... set_robust_list resumed>) = 0
[pid  1915] <... prctl resumed>)        = 0
[pid  1914] setpgid(0, 0 <unfinished ...>
[pid  1913] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1917] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1915] setpgid(0, 0 <unfinished ...>
[pid  1914] <... setpgid resumed>)      = 0
[pid  1913] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1917] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1915] <... setpgid resumed>)      = 0
[pid  1914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1913] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1917] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1916] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1913] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1917] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1915] <... openat resumed>)       = 3
[pid  1914] <... openat resumed>)       = 3
[pid  1913] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1917] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1916] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1915] write(3, "1000", 4 <unfinished ...>
[pid  1914] write(3, "1000", 4 <unfinished ...>
[pid  1913] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1917] <... futex resumed>)        = 0
[pid  1915] <... write resumed>)        = 4
[pid  1916] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1914] <... write resumed>)        = 4
[pid  1915] close(3 <unfinished ...>
[pid  1917] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1916] <... prctl resumed>)        = 0
[pid  1914] close(3 <unfinished ...>
[pid  1913] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1915] <... close resumed>)        = 0
[pid  1917] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1916] setpgid(0, 0 <unfinished ...>
[pid  1915] write(1, "executing program\n", 18 <unfinished ...>
[pid  1914] <... close resumed>)        = 0
[pid  1913] <... futex resumed>)        = 0
[pid  1917] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1917] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1916] <... setpgid resumed>)      = 0
[pid  1915] <... write resumed>)        = 18
[pid  1914] write(1, "executing program\n", 18 <unfinished ...>
[pid  1913] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
executing program
[pid  1916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1916] write(3, "1000", 4)         = 4
[pid  1916] close(3)                    = 0
[pid  1916] write(1, "executing program\n", 18) = 18
executing program
[pid  1916] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1916] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1916] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1913] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1914] <... write resumed>)        = 18
[pid  1916] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1913] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1915] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1914] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1915] <... futex resumed>)        = 0
[pid  1914] <... futex resumed>)        = 0
[pid  1913] <... futex resumed>)        = 1
[pid  1915] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1914] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1913] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1915] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1914] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1914] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1917] <... futex resumed>)        = 0
[pid  1916] <... mprotect resumed>)     = 0
[pid  1914] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1917] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1916] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1914] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1917] <... openat resumed>)       = 3
[pid  1916] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1915] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1917] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1916] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1915] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1914] <... mmap resumed>)         = 0x7fb4de009000
[pid  1917] <... futex resumed>)        = 1
[pid  1913] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1918 attached
[pid  1917] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1916] <... clone3 resumed> => {parent_tid=[1918]}, 88) = 1918
[pid  1915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1914] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1913] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1918] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1917] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1916] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1913] <... futex resumed>)        = 0
[pid  1918] <... set_robust_list resumed>) = 0
[pid  1917] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1916] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1915] <... mmap resumed>)         = 0x7fb4de009000
[pid  1914] <... mprotect resumed>)     = 0
[pid  1913] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1917] <... write resumed>)        = 2
[pid  1916] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1917] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1916] <... futex resumed>)        = 0
[pid  1917] <... futex resumed>)        = 1
[pid  1914] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1918] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1913] <... futex resumed>)        = 0
[pid  1915] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1918] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1917] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1916] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1914] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1913] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1917] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1915] <... mprotect resumed>)     = 0
[pid  1913] <... futex resumed>)        = 0
[pid  1917] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1913] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1917] <... openat resumed>)       = 4
[pid  1914] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1915] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1917] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1913] <... futex resumed>)        = 0
[pid  1913] exit_group(0)               = ?
[pid  1918] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1915] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1919 attached
[pid  1917] <... futex resumed>)        = ?
[pid  1919] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1918] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1917] +++ exited with 0 +++
[pid  1915] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1914] <... clone3 resumed> => {parent_tid=[1919]}, 88) = 1919
[pid  1913] +++ exited with 0 +++
[pid  1919] <... set_robust_list resumed>) = 0
[pid  1918] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1919] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1918] <... futex resumed>)        = 1
[pid  1916] <... futex resumed>)        = 0
[pid  1914] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1920 attached
 <unfinished ...>
[pid  1919] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1918] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1916] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1914] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1913, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1920] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1919] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1918] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1915] <... clone3 resumed> => {parent_tid=[1920]}, 88) = 1920
[pid  1914] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1920] <... set_robust_list resumed>) = 0
[pid  1919] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1918] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1916] <... futex resumed>)        = 0
[pid  1915] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1914] <... futex resumed>)        = 0
[pid  1920] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1919] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1916] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1915] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1920] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1920] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1919] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1915] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1914] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1919] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1915] <... futex resumed>)        = 0
[pid  1920] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1919] <... futex resumed>)        = 0
[pid  1918] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1920] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1919] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1920] <... futex resumed>)        = 0
[pid  1920] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1914] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1914] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1919] <... futex resumed>)        = 0
[pid  1919] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1915] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1914] <... futex resumed>)        = 1
[pid  1919] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1918] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1915] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1914] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1918] <... futex resumed>)        = 1
[pid  1915] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1918] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1915] <... futex resumed>)        = 1
[pid  1920] <... futex resumed>)        = 0
[pid  1919] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1916] <... futex resumed>)        = 0
[pid  1915] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1920] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1919] <... futex resumed>)        = 1
[pid  1916] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1914] <... futex resumed>)        = 0
[pid  1920] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1919] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1918] <... futex resumed>)        = 0
[pid  1916] <... futex resumed>)        = 1
[pid  1914] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1920] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1919] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1918] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1916] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1914] <... futex resumed>)        = 0
[pid  1920] <... futex resumed>)        = 1
[pid  1919] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1918] <... openat resumed>)       = 3
[pid  1915] <... futex resumed>)        = 0
[pid  1914] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1920] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1919] <... openat resumed>)       = 3
[pid  1918] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1915] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1920] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1919] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1918] <... futex resumed>)        = 1
[pid  1916] <... futex resumed>)        = 0
[pid  1915] <... futex resumed>)        = 0
[pid  1920] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1919] <... futex resumed>)        = 1
[pid  1916] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1915] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1918] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1914] <... futex resumed>)        = 0
[pid  1920] <... openat resumed>)       = 3
[pid  1919] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1918] <... write resumed>)        = 2
[pid  1916] <... futex resumed>)        = 0
[pid  1914] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1920] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1919] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1918] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1916] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1914] <... futex resumed>)        = 0
[pid  1920] <... futex resumed>)        = 1
[pid  1919] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1918] <... futex resumed>)        = 0
[pid  1916] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1915] <... futex resumed>)        = 0
[pid  1914] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1920] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1919] <... write resumed>)        = 2
[pid  1918] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1916] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1918] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1915] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1918] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1915] <... futex resumed>)        = 1
[pid  1920] <... futex resumed>)        = 0
[pid  1919] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1916] <... futex resumed>)        = 0
[pid  1915] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1920] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1919] <... futex resumed>)        = 1
[pid  1918] <... openat resumed>)       = 4
[pid  1916] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1914] <... futex resumed>)        = 0
[pid  1920] <... write resumed>)        = 2
[pid  1919] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1914] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1920] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1919] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1914] <... futex resumed>)        = 0
[pid  1920] <... futex resumed>)        = 1
[pid  1919] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1918] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1914] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1920] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1919] <... openat resumed>)       = 4
[pid  1918] <... futex resumed>)        = 1
[pid  1916] <... futex resumed>)        = 0
[pid  1915] <... futex resumed>)        = 0
[pid  1918] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1915] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1919] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1916] exit_group(0 <unfinished ...>
[pid  1920] <... futex resumed>)        = 0
[pid  1919] <... futex resumed>)        = 1
[pid  1918] <... futex resumed>)        = ?
[pid  1916] <... exit_group resumed>)   = ?
[pid  1915] <... futex resumed>)        = 1
[pid  1914] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  1920] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1919] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1918] +++ exited with 0 +++
[pid  1916] +++ exited with 0 +++
[pid  1915] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1914] exit_group(0 <unfinished ...>
[pid  1920] <... openat resumed>)       = 4
[pid  1919] <... futex resumed>)        = ?
[pid  1914] <... exit_group resumed>)   = ?
[pid  1919] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1916, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1920] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1920] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1915] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1915] exit_group(0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1920] <... futex resumed>)        = ?
[pid  1915] <... exit_group resumed>)   = ?
[pid  1914] +++ exited with 0 +++
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1920] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1914, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 1921 attached
 <unfinished ...>
[pid  1915] +++ exited with 0 +++
[pid  1921] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1921
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1915, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1921] <... set_robust_list resumed>) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1921] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1921] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1921] setpgid(0, 0)               = 0
[pid  1921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1921] write(3, "1000", 4)         = 4
[pid  1921] close(3)                    = 0
[pid  1921] write(1, "executing program\n", 18) = 18
[pid  1921] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1921] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1921] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1921] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1921] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
executing program
[pid  1921] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1921] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} => {parent_tid=[1922]}, 88) = 1922
ci2-android-6-12-rust/strace-static-x86_64: Process 1922 attached
[pid   312] <... restart_syscall resumed>) = 0
[pid  1921] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1922] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1921] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1921] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1921] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1922] <... set_robust_list resumed>) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1922] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1922] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1922] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1923
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1923 attached
[pid  1923] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1923] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1924 attached
 <unfinished ...>
[pid  1924] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1924] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1923] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1924] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1923] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1924] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1922] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1924
[pid  1922] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1924] <... prctl resumed>)        = 0
[pid  1923] <... prctl resumed>)        = 0
[pid  1922] <... futex resumed>)        = 1
[pid  1921] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1924] setpgid(0, 0 <unfinished ...>
[pid  1923] setpgid(0, 0 <unfinished ...>
[pid  1922] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1921] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1924] <... setpgid resumed>)      = 0
[pid  1923] <... setpgid resumed>)      = 0
[pid  1924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-12-rust/strace-static-x86_64: Process 1925 attached
 <unfinished ...>
[pid  1924] <... openat resumed>)       = 3
[pid  1923] <... openat resumed>)       = 3
[pid  1922] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1921] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1922] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1921] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1925] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1924] write(3, "1000", 4 <unfinished ...>
[pid  1923] write(3, "1000", 4 <unfinished ...>
[pid  1925] <... set_robust_list resumed>) = 0
[pid  1924] <... write resumed>)        = 4
[pid  1923] <... write resumed>)        = 4
[pid  1922] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1925] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1924] close(3 <unfinished ...>
[pid  1923] close(3 <unfinished ...>
[pid  1925] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1924] <... close resumed>)        = 0
[pid  1923] <... close resumed>)        = 0
[pid  1922] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1925
[pid  1925] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1924] write(1, "executing program\n", 18 <unfinished ...>
[pid  1923] write(1, "executing program\n", 18 <unfinished ...>
[pid  1924] <... write resumed>)        = 18
[pid  1923] <... write resumed>)        = 18
[pid  1921] <... futex resumed>)        = 0
executing program
executing program
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1921] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1921] <... futex resumed>)        = 0
[pid  1921] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1925] <... prctl resumed>)        = 0
[pid  1924] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1923] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1922] <... futex resumed>)        = 1
[pid  1925] setpgid(0, 0 <unfinished ...>
[pid  1924] <... futex resumed>)        = 0
[pid  1923] <... futex resumed>)        = 0
[pid  1922] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1925] <... setpgid resumed>)      = 0
[pid  1924] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1923] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1924] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1923] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1925] <... openat resumed>)       = 3
[pid  1924] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1923] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1922] <... openat resumed>)       = 3
[pid  1925] write(3, "1000", 4 <unfinished ...>
[pid  1924] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1923] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1925] <... write resumed>)        = 4
[pid  1924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1923] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1925] close(3 <unfinished ...>
[pid  1924] <... mmap resumed>)         = 0x7fb4de009000
[pid  1923] <... mmap resumed>)         = 0x7fb4de009000
[pid  1922] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1925] <... close resumed>)        = 0
[pid  1924] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1923] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1924] <... mprotect resumed>)     = 0
[pid  1923] <... mprotect resumed>)     = 0
[pid  1922] <... futex resumed>)        = 1
[pid  1921] <... futex resumed>)        = 0
[pid  1925] write(1, "executing program\n", 18 <unfinished ...>
[pid  1924] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1923] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
executing program
[pid  1922] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1921] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1925] <... write resumed>)        = 18
[pid  1924] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1922] <... write resumed>)        = 2
[pid  1921] <... futex resumed>)        = 0
[pid  1925] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1924] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1923] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1922] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1921] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1926 attached
 <unfinished ...>
[pid  1925] <... futex resumed>)        = 0
[pid  1923] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1922] <... futex resumed>)        = 0
[pid  1921] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1925] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1922] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1926] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1922] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1921] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1926] <... set_robust_list resumed>) = 0
[pid  1922] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1921] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1927 attached
[pid  1925] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1924] <... clone3 resumed> => {parent_tid=[1926]}, 88) = 1926
[pid  1927] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1925] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1924] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1923] <... clone3 resumed> => {parent_tid=[1927]}, 88) = 1927
[pid  1922] <... openat resumed>)       = 4
[pid  1927] <... set_robust_list resumed>) = 0
[pid  1926] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1925] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1924] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1923] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1921] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1927] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1925] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1924] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1923] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1927] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1925] <... mmap resumed>)         = 0x7fb4de009000
[pid  1924] <... futex resumed>)        = 0
[pid  1923] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1927] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1925] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1924] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1923] <... futex resumed>)        = 0
[pid  1927] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1926] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1925] <... mprotect resumed>)     = 0
[pid  1923] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1922] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1927] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1926] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1925] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1923] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1922] <... futex resumed>)        = 1
[pid  1921] <... futex resumed>)        = 0
[pid  1926] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1922] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1927] <... futex resumed>)        = 0
[pid  1926] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1925] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1923] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1921] exit_group(0 <unfinished ...>
[pid  1927] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1926] <... futex resumed>)        = 1
[pid  1925] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1924] <... futex resumed>)        = 0
[pid  1923] <... futex resumed>)        = 0
[pid  1922] <... futex resumed>)        = ?
[pid  1921] <... exit_group resumed>)   = ?
[pid  1927] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1926] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1924] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1923] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1928 attached
 <unfinished ...>
[pid  1927] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1924] <... futex resumed>)        = 0
[pid  1922] +++ exited with 0 +++
[pid  1926] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1927] <... futex resumed>)        = 1
[pid  1926] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1925] <... clone3 resumed> => {parent_tid=[1928]}, 88) = 1928
[pid  1924] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1923] <... futex resumed>)        = 0
[pid  1927] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1926] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1925] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1928] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1923] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1928] <... set_robust_list resumed>) = 0
[pid  1927] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1926] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1925] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1923] <... futex resumed>)        = 0
[pid  1927] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1925] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1923] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1927] <... openat resumed>)       = 3
[pid  1925] <... futex resumed>)        = 0
[pid  1928] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1925] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1921] +++ exited with 0 +++
[pid  1926] <... futex resumed>)        = 1
[pid  1924] <... futex resumed>)        = 0
[pid  1928] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1921, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1927] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1924] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1927] <... futex resumed>)        = 1
[pid  1924] <... futex resumed>)        = 0
[pid  1923] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1928] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1927] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1924] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1923] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1927] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1926] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1923] <... futex resumed>)        = 0
[pid  1928] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1927] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1926] <... openat resumed>)       = 3
[pid  1923] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1928] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1927] <... write resumed>)        = 2
[pid  1926] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1928] <... futex resumed>)        = 1
[pid  1927] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1925] <... futex resumed>)        = 0
[pid  1924] <... futex resumed>)        = 0
[pid  1928] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1927] <... futex resumed>)        = 1
[pid  1926] <... futex resumed>)        = 1
[pid  1925] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1924] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1923] <... futex resumed>)        = 0
[pid  1928] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1927] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1926] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1925] <... futex resumed>)        = 0
[pid  1924] <... futex resumed>)        = 0
[pid  1923] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1928] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1927] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1926] <... write resumed>)        = 2
[pid  1925] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1924] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1928] <... futex resumed>)        = 0
[pid  1926] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1928] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1926] <... futex resumed>)        = 0
[pid  1927] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1926] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1925] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1924] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1923] <... futex resumed>)        = 0
[pid  1927] <... openat resumed>)       = 4
[pid  1925] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1924] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1923] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1927] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1925] <... futex resumed>)        = 1
[pid  1924] <... futex resumed>)        = 0
[pid  1923] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1927] <... futex resumed>)        = 0
[pid  1925] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1924] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1923] exit_group(0 <unfinished ...>
[pid  1928] <... futex resumed>)        = 0
[pid  1926] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1923] <... exit_group resumed>)   = ?
[pid  1928] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1927] +++ exited with 0 +++
[pid  1926] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1928] <... openat resumed>)       = 3
[pid  1926] <... openat resumed>)       = 4
[pid  1923] +++ exited with 0 +++
[pid  1928] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1926] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1928] <... futex resumed>)        = 1
[pid  1926] <... futex resumed>)        = 1
[pid  1925] <... futex resumed>)        = 0
[pid  1924] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1923, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1928] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1926] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1925] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1924] exit_group(0 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1926] <... futex resumed>)        = ?
[pid  1925] <... futex resumed>)        = 0
[pid  1924] <... exit_group resumed>)   = ?
[pid  1928] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1926] +++ exited with 0 +++
[pid  1925] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1924] +++ exited with 0 +++
[pid   315] <... restart_syscall resumed>) = 0
[pid  1928] write(3, "\x38\x00", 2)     = 2
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1924, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1928] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1925] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1928] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1925] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1928] <... openat resumed>)       = 4
[pid  1925] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1929 attached
 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1929
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1928] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1925] <... futex resumed>)        = 0
[pid  1925] exit_group(0)               = ?
[pid  1928] <... futex resumed>)        = ?
[pid  1929] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1929] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1929] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1928] +++ exited with 0 +++
[pid  1925] +++ exited with 0 +++
[pid  1929] setpgid(0, 0)               = 0
[pid  1929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1925, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1929] <... openat resumed>)       = 3
[pid  1929] write(3, "1000", 4)         = 4
[pid  1929] close(3)                    = 0
[pid  1929] write(1, "executing program\n", 18) = 18
[pid  1929] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1929] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1929] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1929] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1929] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1929] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1929] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1929] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1930 attached
 <unfinished ...>
[pid  1930] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1929] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1930] <... set_robust_list resumed>) = 0
[pid  1929] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1930] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1929] <... clone3 resumed> => {parent_tid=[1931]}, 88) = 1931
[pid  1930] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1929] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1930] <... prctl resumed>)        = 0
[pid  1929] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1930] setpgid(0, 0 <unfinished ...>
[pid  1929] <... futex resumed>)        = 0
[pid  1930] <... setpgid resumed>)      = 0
[pid  1929] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-12-rust/strace-static-x86_64: Process 1931 attached
 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1930
[pid   312] <... restart_syscall resumed>) = 0
[pid  1931] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1931] <... set_robust_list resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1931] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1930] <... openat resumed>)       = 3
[pid  1931] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1930] write(3, "1000", 4 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1930] <... write resumed>)        = 4
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1931] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1930] close(3 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1931] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1930] <... close resumed>)        = 0
executing program
[pid  1931] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1931] <... futex resumed>)        = 1
[pid  1931] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1930] write(1, "executing program\n", 18 <unfinished ...>
[pid  1929] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1930] <... write resumed>)        = 18
[pid  1929] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1931] <... futex resumed>)        = 0
[pid  1930] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1929] <... futex resumed>)        = 1
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1931] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1930] <... futex resumed>)        = 0
[pid  1929] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1930] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1931] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
ci2-android-6-12-rust/strace-static-x86_64: Process 1932 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1933 attached
[pid  1930] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1930] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1930] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1931] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1930] <... mmap resumed>)         = 0x7fb4de009000
[pid  1933] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1932] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1931] <... futex resumed>)        = 1
[pid  1929] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1932
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1933
[pid  1933] <... set_robust_list resumed>) = 0
[pid  1932] <... set_robust_list resumed>) = 0
[pid  1931] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1933] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1930] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1929] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1933] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1932] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1931] <... futex resumed>)        = 0
[pid  1930] <... mprotect resumed>)     = 0
[pid  1929] <... futex resumed>)        = 1
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1933] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1931] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1930] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1929] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1933] <... prctl resumed>)        = 0
[pid  1932] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1931] <... openat resumed>)       = 3
[pid  1930] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1933] setpgid(0, 0 <unfinished ...>
[pid  1931] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1930] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1929] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1934 attached
[pid  1933] <... setpgid resumed>)      = 0
[pid  1932] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1931] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1929] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1931] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1934] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1932] <... prctl resumed>)        = 0
[pid  1931] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1929] <... futex resumed>)        = 0
[pid  1934] <... set_robust_list resumed>) = 0
[pid  1933] <... openat resumed>)       = 3
[pid  1931] <... write resumed>)        = 2
[pid  1930] <... clone3 resumed> => {parent_tid=[1934]}, 88) = 1934
[pid  1929] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1931] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1930] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1929] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1934] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1933] write(3, "1000", 4 <unfinished ...>
[pid  1932] setpgid(0, 0 <unfinished ...>
[pid  1931] <... futex resumed>)        = 0
[pid  1930] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1929] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1934] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1933] <... write resumed>)        = 4
[pid  1932] <... setpgid resumed>)      = 0
[pid  1931] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1930] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1929] <... futex resumed>)        = 0
[pid  1934] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1933] close(3 <unfinished ...>
[pid  1932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1931] <... openat resumed>)       = 4
[pid  1930] <... futex resumed>)        = 0
[pid  1929] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1933] <... close resumed>)        = 0
[pid  1931] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1930] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1929] <... futex resumed>)        = 0
[pid  1933] write(1, "executing program\n", 18 <unfinished ...>
[pid  1932] <... openat resumed>)       = 3
executing program
[pid  1934] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1933] <... write resumed>)        = 18
[pid  1934] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1933] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1932] write(3, "1000", 4 <unfinished ...>
[pid  1931] <... futex resumed>)        = 1
[pid  1930] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1929] exit_group(0 <unfinished ...>
[pid  1934] <... futex resumed>)        = 0
[pid  1933] <... futex resumed>)        = 0
[pid  1932] <... write resumed>)        = 4
[pid  1930] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1929] <... exit_group resumed>)   = ?
[pid  1934] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1933] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1932] close(3 <unfinished ...>
[pid  1931] +++ exited with 0 +++
[pid  1930] <... futex resumed>)        = 0
[pid  1929] +++ exited with 0 +++
[pid  1932] <... close resumed>)        = 0
[pid  1930] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1934] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1933] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1932] write(1, "executing program\n", 18 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1929, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1934] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1930] <... futex resumed>)        = 0
[pid  1934] <... futex resumed>)        = 1
[pid  1930] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1934] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1930] <... futex resumed>)        = 0
[pid  1934] <... openat resumed>)       = 3
[pid  1930] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1934] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1930] <... futex resumed>)        = 0
[pid  1934] <... futex resumed>)        = 1
[pid  1930] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1934] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1930] <... futex resumed>)        = 0
[pid  1934] <... write resumed>)        = 2
[pid  1930] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1934] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1930] <... futex resumed>)        = 0
[pid  1934] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1930] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1934] <... openat resumed>)       = 4
executing program
[pid  1933] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1932] <... write resumed>)        = 18
[pid  1930] <... futex resumed>)        = 0
[pid  1930] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1933] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1932] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1933] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1932] <... futex resumed>)        = 0
[pid  1934] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1930] <... futex resumed>)        = 0
[pid  1934] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1933] <... mmap resumed>)         = 0x7fb4de009000
[pid  1932] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1930] exit_group(0 <unfinished ...>
[pid  1934] <... futex resumed>)        = ?
[pid  1933] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1932] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1930] <... exit_group resumed>)   = ?
[pid  1934] +++ exited with 0 +++
[pid  1933] <... mprotect resumed>)     = 0
[pid  1932] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1930] +++ exited with 0 +++
[pid  1932] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1930, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1932] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1932] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1933] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1932] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1932] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1933] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1933] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1932] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1935 attached
[pid  1935] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  1935] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1935] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1933] <... clone3 resumed> => {parent_tid=[1935]}, 88) = 1935
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1932] <... clone3 resumed> => {parent_tid=[1936]}, 88) = 1936
ci2-android-6-12-rust/strace-static-x86_64: Process 1936 attached
[pid  1933] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1936] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1933] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1936] <... set_robust_list resumed>) = 0
[pid  1933] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1936] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1935] <... futex resumed>)        = 0
[pid  1933] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 1937 attached
[pid  1936] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1935] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1933] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1932] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1936] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1935] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1932] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1935] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1932] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1933] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1937
[pid  1936] <... futex resumed>)        = 0
[pid  1935] <... futex resumed>)        = 1
[pid  1932] <... futex resumed>)        = 1
[pid  1936] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1935] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1933] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1937] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1935] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1933] <... futex resumed>)        = 0
[pid  1932] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1937] <... set_robust_list resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1936] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1935] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1933] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1937] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1936] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1935] <... futex resumed>)        = 0
[pid  1933] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1937] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1936] <... futex resumed>)        = 1
[pid  1935] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1933] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1932] <... futex resumed>)        = 0
[pid  1936] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1935] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1933] <... futex resumed>)        = 0
[pid  1937] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1935] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1933] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1932] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1937] <... prctl resumed>)        = 0
[pid  1935] <... openat resumed>)       = 3
[pid  1936] <... futex resumed>)        = 0
[pid  1935] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1932] <... futex resumed>)        = 1
[pid  1937] setpgid(0, 0 <unfinished ...>
[pid  1936] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1933] <... futex resumed>)        = 0
[pid  1932] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1937] <... setpgid resumed>)      = 0
[pid  1936] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1935] <... futex resumed>)        = 1
[pid  1933] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  1937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1936] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1935] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1933] <... futex resumed>)        = 0
[pid  1937] <... openat resumed>)       = 3
[pid  1936] <... futex resumed>)        = 1
[pid  1935] <... write resumed>)        = 2
[pid  1933] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1932] <... futex resumed>)        = 0
[pid  1937] write(3, "1000", 4 <unfinished ...>
[pid  1936] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1935] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1933] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1937] <... write resumed>)        = 4
[pid  1936] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1935] <... futex resumed>)        = 0
[pid  1933] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1932] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1937] close(3 <unfinished ...>
[pid  1936] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1935] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1933] <... futex resumed>)        = 0
[pid  1932] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1937] <... close resumed>)        = 0
[pid  1936] <... openat resumed>)       = 3
[pid  1935] <... openat resumed>)       = 4
[pid  1933] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1932] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1937] write(1, "executing program\n", 18) = 18
[pid  1936] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1935] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1937] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1936] <... futex resumed>)        = 1
executing program
[pid  1935] <... futex resumed>)        = 1
[pid  1933] <... futex resumed>)        = 0
[pid  1932] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1938 attached
[pid  1937] <... futex resumed>)        = 0
[pid  1936] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1935] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1933] exit_group(0 <unfinished ...>
[pid  1932] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1936] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1937] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1936] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1932] <... futex resumed>)        = 0
[pid  1938] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1937] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1932] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1938] <... set_robust_list resumed>) = 0
[pid  1937] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1936] <... write resumed>)        = 2
[pid  1935] <... futex resumed>)        = ?
[pid  1933] <... exit_group resumed>)   = ?
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1938
[pid  1938] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1937] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1936] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1935] +++ exited with 0 +++
[pid  1933] +++ exited with 0 +++
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1937] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1936] <... futex resumed>)        = 1
[pid  1932] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1938] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1937] <... mmap resumed>)         = 0x7fb4de009000
[pid  1936] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1932] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1933, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1938] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1937] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1936] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1932] <... futex resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1938] <... prctl resumed>)        = 0
[pid  1936] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1932] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1936] <... openat resumed>)       = 4
[pid  1936] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1932] <... futex resumed>)        = 0
[pid  1936] <... futex resumed>)        = 1
[pid  1932] exit_group(0 <unfinished ...>
[pid  1937] <... mprotect resumed>)     = 0
[pid  1938] setpgid(0, 0 <unfinished ...>
[pid  1932] <... exit_group resumed>)   = ?
[pid  1938] <... setpgid resumed>)      = 0
[pid  1937] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1936] +++ exited with 0 +++
[pid  1932] +++ exited with 0 +++
[pid  1938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1932, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1937] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1937] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1939 attached
 <unfinished ...>
[pid  1939] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1937] <... clone3 resumed> => {parent_tid=[1939]}, 88) = 1939
[pid  1939] <... set_robust_list resumed>) = 0
[pid  1937] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1939] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1937] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1939] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1937] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1939] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1937] <... futex resumed>)        = 0
[pid  1939] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1937] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1939] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1939] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1937] <... futex resumed>)        = 0
[pid  1937] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1939] <... futex resumed>)        = 0
[pid  1937] <... futex resumed>)        = 1
[pid  1939] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1937] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1939] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1938] <... openat resumed>)       = 3
[pid  1939] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1937] <... futex resumed>)        = 0
[pid  1938] write(3, "1000", 4 <unfinished ...>
[pid  1939] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1938] <... write resumed>)        = 4
[pid  1937] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1939] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1938] close(3 <unfinished ...>
[pid  1937] <... futex resumed>)        = 0
[pid  1939] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1938] <... close resumed>)        = 0
[pid  1937] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1939] <... openat resumed>)       = 3
executing program
[pid  1938] write(1, "executing program\n", 18 <unfinished ...>
[pid  1939] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1938] <... write resumed>)        = 18
[pid  1939] <... futex resumed>)        = 1
[pid  1937] <... futex resumed>)        = 0
[pid  1939] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1938] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1937] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1938] <... futex resumed>)        = 0
[pid  1939] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1937] <... futex resumed>)        = 0
[pid  1939] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1938] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1937] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1939] <... write resumed>)        = 2
[pid  1938] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1939] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1937] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  1939] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1937] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1938] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1939] <... openat resumed>)       = 4
[pid  1938] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1937] <... futex resumed>)        = 0
[pid  1938] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1937] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1938] <... mmap resumed>)         = 0x7fb4de009000
[pid  1939] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1938] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1939] <... futex resumed>)        = 1
[pid  1937] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1938] <... mprotect resumed>)     = 0
[pid  1939] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1937] exit_group(0 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  1938] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1938] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1939] <... futex resumed>)        = ?
[pid  1937] <... exit_group resumed>)   = ?
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1940 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1941 attached
 <unfinished ...>
[pid  1939] +++ exited with 0 +++
[pid  1937] +++ exited with 0 +++
[pid  1940] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1937, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1940] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1941] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1941] <... set_robust_list resumed>) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1938] <... clone3 resumed> => {parent_tid=[1940]}, 88) = 1940
[pid  1940] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1941
[pid  1940] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1941] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1938] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1941] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1938] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1941] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1938] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1940] <... futex resumed>)        = 0
[pid  1938] <... futex resumed>)        = 1
[pid  1940] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
ci2-android-6-12-rust/strace-static-x86_64: Process 1942 attached
[pid  1941] <... prctl resumed>)        = 0
[pid  1940] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1942] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1941] setpgid(0, 0 <unfinished ...>
[pid  1940] <... futex resumed>)        = 0
[pid  1938] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1942] <... set_robust_list resumed>) = 0
[pid  1941] <... setpgid resumed>)      = 0
[pid  1940] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1938] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1942
[pid  1941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1940] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1938] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1942] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1940] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1942] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1941] <... openat resumed>)       = 3
[pid  1940] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1938] <... futex resumed>)        = 0
[pid  1940] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1938] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1940] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1938] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1942] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1941] write(3, "1000", 4 <unfinished ...>
[pid  1938] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1941] <... write resumed>)        = 4
[pid  1940] <... futex resumed>)        = 0
[pid  1938] <... futex resumed>)        = 1
[pid  1942] <... prctl resumed>)        = 0
[pid  1940] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  1940] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1940] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1942] setpgid(0, 0 <unfinished ...>
[pid  1941] close(3 <unfinished ...>
[pid  1938] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1942] <... setpgid resumed>)      = 0
[pid  1941] <... close resumed>)        = 0
[pid  1938] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1941] write(1, "executing program\n", 18 <unfinished ...>
[pid  1938] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1941] <... write resumed>)        = 18
[pid  1940] <... futex resumed>)        = 0
[pid  1938] <... futex resumed>)        = 1
[pid  1941] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1940] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1938] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1941] <... futex resumed>)        = 0
[pid  1942] <... openat resumed>)       = 3
[pid  1940] <... write resumed>)        = 2
[pid  1940] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid  1940] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1938] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1938] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1940] <... futex resumed>)        = 0
[pid  1940] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1938] <... futex resumed>)        = 1
[pid  1942] write(3, "1000", 4 <unfinished ...>
[pid  1941] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1940] <... openat resumed>)       = 4
[pid  1942] <... write resumed>)        = 4
[pid  1941] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1942] close(3 <unfinished ...>
[pid  1940] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1942] <... close resumed>)        = 0
[pid  1938] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1942] write(1, "executing program\n", 18 <unfinished ...>
[pid  1941] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1940] <... futex resumed>)        = 0
[pid  1938] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1942] <... write resumed>)        = 18
[pid  1941] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1940] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
executing program
[pid  1938] exit_group(0 <unfinished ...>
[pid  1942] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1941] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1940] <... futex resumed>)        = ?
[pid  1938] <... exit_group resumed>)   = ?
[pid  1942] <... futex resumed>)        = 0
[pid  1941] <... mmap resumed>)         = 0x7fb4de009000
[pid  1940] +++ exited with 0 +++
[pid  1938] +++ exited with 0 +++
[pid  1942] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1941] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1942] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1941] <... mprotect resumed>)     = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1938, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1941] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1942] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1941] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1942] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1941] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1942] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 1943 attached
) = 0x7fb4de009000
[pid  1943] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1941] <... clone3 resumed> => {parent_tid=[1943]}, 88) = 1943
[pid  1943] <... set_robust_list resumed>) = 0
[pid  1942] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1943] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1941] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1943] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1942] <... mprotect resumed>)     = 0
[pid  1943] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1941] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1942] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1941] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1942] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1942] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1944 attached
 <unfinished ...>
[pid  1941] <... futex resumed>)        = 1
[pid  1943] <... futex resumed>)        = 0
[pid  1944] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1942] <... clone3 resumed> => {parent_tid=[1944]}, 88) = 1944
[pid  1941] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1944] <... set_robust_list resumed>) = 0
[pid  1943] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1942] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1944] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1943] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1942] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1944] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1942] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1944] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1942] <... futex resumed>)        = 0
[pid  1942] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1944] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1944] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1942] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1943] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1944] <... futex resumed>)        = 1
[pid  1943] <... futex resumed>)        = 1
[pid  1942] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1944] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1943] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1942] <... futex resumed>)        = 0
[pid  1941] <... futex resumed>)        = 0
[pid  1944] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1942] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1941] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1943] <... futex resumed>)        = 0
[pid  1944] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1943] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1942] <... futex resumed>)        = 0
[pid  1941] <... futex resumed>)        = 1
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1944] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1942] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1944] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1943] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1942] <... futex resumed>)        = 0
[pid  1941] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1944] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1942] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1944] <... openat resumed>)       = 3
[pid  1944] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1942] <... futex resumed>)        = 0
[pid  1942] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1944] <... futex resumed>)        = 1
[pid  1942] <... futex resumed>)        = 0
[pid  1944] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1942] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1944] <... write resumed>)        = 2
[pid  1944] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1943] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1945 attached
 <unfinished ...>
[pid  1944] <... futex resumed>)        = 1
[pid  1942] <... futex resumed>)        = 0
[pid  1945] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1944] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1942] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1944] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1945] <... set_robust_list resumed>) = 0
[pid  1944] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1942] <... futex resumed>)        = 0
[pid  1945] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1944] <... openat resumed>)       = 4
[pid  1943] <... futex resumed>)        = 1
[pid  1942] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1941] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1945
[pid  1945] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1943] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1941] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1945] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1944] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1943] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1941] <... futex resumed>)        = 0
[pid  1943] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1941] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1945] <... prctl resumed>)        = 0
[pid  1944] <... futex resumed>)        = 1
[pid  1943] <... openat resumed>)       = 3
[pid  1942] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1945] setpgid(0, 0 <unfinished ...>
[pid  1944] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1943] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1942] exit_group(0 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1945] <... setpgid resumed>)      = 0
[pid  1944] <... futex resumed>)        = ?
[pid  1943] <... futex resumed>)        = 1
[pid  1942] <... exit_group resumed>)   = ?
[pid  1941] <... futex resumed>)        = 0
[pid  1945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1944] +++ exited with 0 +++
[pid  1943] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1942] +++ exited with 0 +++
[pid  1941] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1943] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1941] <... futex resumed>)        = 0
[pid  1945] <... openat resumed>)       = 3
[pid  1943] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1941] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1942, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1943] <... write resumed>)        = 2
[pid  1945] write(3, "1000", 4 <unfinished ...>
[pid  1943] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1945] <... write resumed>)        = 4
[pid  1943] <... futex resumed>)        = 1
[pid  1941] <... futex resumed>)        = 0
[pid  1945] close(3 <unfinished ...>
[pid  1943] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1941] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1945] <... close resumed>)        = 0
[pid  1941] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1945] write(1, "executing program\n", 18 <unfinished ...>
[pid  1941] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1945] <... write resumed>)        = 18
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1945] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1943] <... openat resumed>)       = 4
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1945] <... futex resumed>)        = 0
[pid  1945] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1945] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1945] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1945] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1946 attached
executing program
[pid  1945] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1946] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1945] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1946] <... set_robust_list resumed>) = 0
[pid  1945] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1946] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1947 attached
 <unfinished ...>
[pid  1947] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  1946] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1945] <... clone3 resumed> => {parent_tid=[1947]}, 88) = 1947
[pid  1947] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1946] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1945] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1947] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1945] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1947] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1946] <... prctl resumed>)        = 0
[pid  1945] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1948 attached
 <unfinished ...>
[pid  1947] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1946] setpgid(0, 0 <unfinished ...>
[pid  1945] <... futex resumed>)        = 0
[pid  1943] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1947] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1946
[pid  1948] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1943] <... futex resumed>)        = 1
[pid  1941] <... futex resumed>)        = 0
[pid  1948] <... set_robust_list resumed>) = 0
[pid  1943] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1948
[pid  1941] exit_group(0 <unfinished ...>
[pid  1948] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1947] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1946] <... setpgid resumed>)      = 0
[pid  1945] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1943] <... futex resumed>)        = ?
[pid  1941] <... exit_group resumed>)   = ?
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1948] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1947] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1945] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1943] +++ exited with 0 +++
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1947] <... futex resumed>)        = 0
[pid  1946] <... openat resumed>)       = 3
[pid  1945] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1947] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1945] <... futex resumed>)        = 0
[pid  1948] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1947] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1946] write(3, "1000", 4 <unfinished ...>
[pid  1948] <... prctl resumed>)        = 0
[pid  1945] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1947] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1946] <... write resumed>)        = 4
[pid  1945] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1947] <... futex resumed>)        = 0
[pid  1946] close(3 <unfinished ...>
[pid  1945] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1947] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1946] <... close resumed>)        = 0
[pid  1945] <... futex resumed>)        = 0
[pid  1947] <... openat resumed>)       = 3
[pid  1945] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1946] write(1, "executing program\n", 18 <unfinished ...>
[pid  1947] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1946] <... write resumed>)        = 18
executing program
[pid  1947] <... futex resumed>)        = 1
[pid  1946] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1945] <... futex resumed>)        = 0
[pid  1947] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1946] <... futex resumed>)        = 0
[pid  1945] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1947] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1946] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1945] <... futex resumed>)        = 0
[pid  1948] setpgid(0, 0 <unfinished ...>
[pid  1947] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1946] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1945] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1941] +++ exited with 0 +++
[pid  1948] <... setpgid resumed>)      = 0
[pid  1947] <... write resumed>)        = 2
[pid  1946] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1941, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1947] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1946] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1947] <... futex resumed>)        = 1
[pid  1946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1945] <... futex resumed>)        = 0
[pid  1947] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1946] <... mmap resumed>)         = 0x7fb4de009000
[pid  1945] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1948] <... openat resumed>)       = 3
[pid  1947] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1948] write(3, "1000", 4)         = 4
[pid  1947] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1946] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1945] <... futex resumed>)        = 0
[pid  1948] close(3 <unfinished ...>
[pid  1947] <... openat resumed>)       = 4
[pid  1946] <... mprotect resumed>)     = 0
[pid  1945] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1948] <... close resumed>)        = 0
[pid  1948] write(1, "executing program\n", 18 <unfinished ...>
[pid  1947] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1946] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1948] <... write resumed>)        = 18
[pid  1947] <... futex resumed>)        = 1
[pid  1945] <... futex resumed>)        = 0
executing program
[pid  1948] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1947] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1946] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1945] exit_group(0 <unfinished ...>
[pid  1948] <... futex resumed>)        = 0
[pid  1946] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1948] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1947] <... futex resumed>)        = ?
[pid  1945] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 1949 attached
[pid  1948] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1947] +++ exited with 0 +++
[pid  1949] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1948] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1946] <... clone3 resumed> => {parent_tid=[1949]}, 88) = 1949
[pid  1945] +++ exited with 0 +++
[pid  1949] <... set_robust_list resumed>) = 0
[pid  1948] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1946] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1949] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1946] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1948] <... mmap resumed>)         = 0x7fb4de009000
[pid  1946] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1946] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1949] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1948] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1945, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1949] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1948] <... mprotect resumed>)     = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1949] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   314] <... restart_syscall resumed>) = 0
[pid  1949] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1948] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1946] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1948] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1948] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1949] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1946] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1950 attached
 <unfinished ...>
[pid  1949] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1946] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1950] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1949] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1948] <... clone3 resumed> => {parent_tid=[1950]}, 88) = 1950
[pid  1946] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1950] <... set_robust_list resumed>) = 0
[pid  1949] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1948] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1951 attached
[pid  1950] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1948] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1948] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1951] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1948] <... futex resumed>)        = 0
[pid  1950] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1949] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1951
[pid  1948] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1950] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1949] <... futex resumed>)        = 1
[pid  1946] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1950] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1949] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1946] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1950] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1949] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1946] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1950] <... futex resumed>)        = 0
[pid  1949] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1946] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1952 attached
 <unfinished ...>
[pid  1950] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1949] <... openat resumed>)       = 3
[pid  1952] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1951] <... set_robust_list resumed>) = 0
[pid  1949] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1948] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1952
[pid  1952] <... set_robust_list resumed>) = 0
[pid  1951] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1949] <... futex resumed>)        = 1
[pid  1948] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1946] <... futex resumed>)        = 0
[pid  1952] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1951] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1950] <... futex resumed>)        = 0
[pid  1949] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1948] <... futex resumed>)        = 1
[pid  1946] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1952] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1951] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1950] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1949] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1948] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1946] <... futex resumed>)        = 0
[pid  1952] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1951] <... prctl resumed>)        = 0
[pid  1950] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1949] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1946] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1952] <... prctl resumed>)        = 0
[pid  1951] setpgid(0, 0 <unfinished ...>
[pid  1950] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1949] <... write resumed>)        = 2
[pid  1952] setpgid(0, 0 <unfinished ...>
[pid  1951] <... setpgid resumed>)      = 0
[pid  1950] <... futex resumed>)        = 1
[pid  1948] <... futex resumed>)        = 0
[pid  1952] <... setpgid resumed>)      = 0
[pid  1948] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1948] <... futex resumed>)        = 0
[pid  1952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1948] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1950] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1949] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1950] <... openat resumed>)       = 3
[pid  1949] <... futex resumed>)        = 1
[pid  1946] <... futex resumed>)        = 0
[pid  1950] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1949] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1946] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1950] <... futex resumed>)        = 1
[pid  1949] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1946] <... futex resumed>)        = 0
[pid  1950] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1949] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1946] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1949] <... openat resumed>)       = 4
[pid  1949] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1946] <... futex resumed>)        = 0
[pid  1949] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1946] exit_group(0 <unfinished ...>
[pid  1949] <... futex resumed>)        = ?
[pid  1946] <... exit_group resumed>)   = ?
[pid  1952] <... openat resumed>)       = 3
[pid  1951] <... openat resumed>)       = 3
[pid  1949] +++ exited with 0 +++
[pid  1948] <... futex resumed>)        = 0
[pid  1946] +++ exited with 0 +++
[pid  1952] write(3, "1000", 4 <unfinished ...>
[pid  1951] write(3, "1000", 4 <unfinished ...>
[pid  1948] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1952] <... write resumed>)        = 4
[pid  1951] <... write resumed>)        = 4
[pid  1950] <... futex resumed>)        = 0
[pid  1948] <... futex resumed>)        = 1
[pid  1952] close(3 <unfinished ...>
[pid  1951] close(3 <unfinished ...>
[pid  1950] write(3, "\x38\x00", 2 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1946, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1948] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1952] <... close resumed>)        = 0
[pid  1951] <... close resumed>)        = 0
[pid  1950] <... write resumed>)        = 2
[pid  1952] write(1, "executing program\n", 18 <unfinished ...>
[pid  1951] write(1, "executing program\n", 18 <unfinished ...>
executing program
executing program
[pid  1950] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1952] <... write resumed>)        = 18
[pid  1951] <... write resumed>)        = 18
[pid  1950] <... futex resumed>)        = 1
[pid  1948] <... futex resumed>)        = 0
[pid  1950] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1948] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1951] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1950] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1948] <... futex resumed>)        = 0
[pid  1951] <... futex resumed>)        = 0
[pid  1950] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1948] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1952] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1951] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1950] <... openat resumed>)       = 4
[pid  1952] <... futex resumed>)        = 0
[pid  1951] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1950] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1948] <... futex resumed>)        = 0
[pid  1952] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1951] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1950] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1948] exit_group(0 <unfinished ...>
[pid  1952] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1951] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1950] <... futex resumed>)        = ?
[pid  1948] <... exit_group resumed>)   = ?
[pid  1952] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1951] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1950] +++ exited with 0 +++
[pid  1948] +++ exited with 0 +++
[pid  1952] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1951] <... mmap resumed>)         = 0x7fb4de009000
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1948, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1951] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1952] <... mmap resumed>)         = 0x7fb4de009000
[pid  1952] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1951] <... mprotect resumed>)     = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1951] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1952] <... mprotect resumed>)     = 0
[pid  1951] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1952] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1951] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1952] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1952] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1953 attached
 <unfinished ...>
[pid  1953] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1951] <... clone3 resumed> => {parent_tid=[1953]}, 88) = 1953
ci2-android-6-12-rust/strace-static-x86_64: Process 1954 attached
[pid  1953] <... set_robust_list resumed>) = 0
[pid  1952] <... clone3 resumed> => {parent_tid=[1954]}, 88) = 1954
[pid  1951] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1954] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1953] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1951] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1954] <... set_robust_list resumed>) = 0
[pid  1953] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1954] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1951] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1953] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1954] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1951] <... futex resumed>)        = 0
[pid  1954] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1953] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1951] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1953] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1952] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1953] <... futex resumed>)        = 1
[pid  1952] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1951] <... futex resumed>)        = 0
[pid  1953] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1952] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1954] <... futex resumed>)        = 0
[pid  1953] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1952] <... futex resumed>)        = 1
[pid  1951] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1954] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1953] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1952] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1954] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1953] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1951] <... futex resumed>)        = 0
[pid  1954] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1953] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1951] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1954] <... futex resumed>)        = 1
[pid  1953] <... futex resumed>)        = 0
[pid  1952] <... futex resumed>)        = 0
[pid  1951] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1954] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1953] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1952] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1954] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1953] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1952] <... futex resumed>)        = 0
[pid  1951] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1954] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1953] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1952] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1951] <... futex resumed>)        = 0
[pid  1954] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1953] <... openat resumed>)       = 3
[pid  1954] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1951] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1953] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1954] <... futex resumed>)        = 1
[pid  1952] <... futex resumed>)        = 0
[pid  1953] <... futex resumed>)        = 0
[pid  1951] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1954] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1953] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1952] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1954] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1953] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1952] <... futex resumed>)        = 0
[pid  1951] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1954] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1953] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1952] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1951] <... futex resumed>)        = 0
[pid  1954] <... openat resumed>)       = 3
[pid  1953] <... write resumed>)        = 2
[pid  1951] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1954] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1953] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1954] <... futex resumed>)        = 0
[pid  1953] <... futex resumed>)        = 1
[pid  1952] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1951] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1954] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1953] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1952] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1954] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1953] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1952] <... futex resumed>)        = 0
[pid  1951] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1954] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1953] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1952] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1951] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1954] <... write resumed>)        = 2
[pid  1953] <... openat resumed>)       = 4
[pid  1951] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1956 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1955 attached
 <unfinished ...>
[pid  1954] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1953] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1951] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1956
[pid  1955] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1956] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1954] <... futex resumed>)        = 1
[pid  1953] <... futex resumed>)        = 0
[pid  1952] <... futex resumed>)        = 0
[pid  1955] <... set_robust_list resumed>) = 0
[pid  1956] <... set_robust_list resumed>) = 0
[pid  1954] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1953] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1952] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1951] exit_group(0 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1955
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1955] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1952] <... futex resumed>)        = 0
[pid  1955] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1956] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1954] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1953] <... futex resumed>)        = ?
[pid  1952] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1951] <... exit_group resumed>)   = ?
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1955] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1956] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1954] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1953] +++ exited with 0 +++
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1955] <... prctl resumed>)        = 0
[pid  1954] <... openat resumed>)       = 4
[pid  1956] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1955] setpgid(0, 0 <unfinished ...>
[pid  1954] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1955] <... setpgid resumed>)      = 0
[pid  1956] <... prctl resumed>)        = 0
[pid  1954] <... futex resumed>)        = 1
[pid  1955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1956] setpgid(0, 0 <unfinished ...>
[pid  1954] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1952] <... futex resumed>)        = 0
[pid  1951] +++ exited with 0 +++
[pid  1955] <... openat resumed>)       = 3
[pid  1956] <... setpgid resumed>)      = 0
[pid  1952] exit_group(0 <unfinished ...>
[pid  1955] write(3, "1000", 4 <unfinished ...>
[pid  1956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1954] <... futex resumed>)        = ?
[pid  1952] <... exit_group resumed>)   = ?
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1951, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1955] <... write resumed>)        = 4
[pid  1956] <... openat resumed>)       = 3
[pid  1955] close(3 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1956] write(3, "1000", 4)         = 4
[pid  1955] <... close resumed>)        = 0
[pid  1954] +++ exited with 0 +++
[pid  1952] +++ exited with 0 +++
[pid  1955] write(1, "executing program\n", 18 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1952, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1955] <... write resumed>)        = 18
executing program
executing program
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1955] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1956] close(3 <unfinished ...>
[pid  1955] <... futex resumed>)        = 0
[pid  1956] <... close resumed>)        = 0
[pid  1955] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1956] write(1, "executing program\n", 18 <unfinished ...>
[pid  1955] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1956] <... write resumed>)        = 18
[pid  1955] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1956] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1955] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1956] <... futex resumed>)        = 0
[pid  1956] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1956] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1955] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1956] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1955] <... mmap resumed>)         = 0x7fb4de009000
[pid  1956] <... mmap resumed>)         = 0x7fb4de009000
[pid  1956] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1955] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1956] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1956] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1955] <... mprotect resumed>)     = 0
[pid  1956] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1957 attached
 <unfinished ...>
[pid  1957] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1956] <... clone3 resumed> => {parent_tid=[1957]}, 88) = 1957
[pid  1957] <... set_robust_list resumed>) = 0
[pid  1956] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1958 attached
 <unfinished ...>
[pid  1957] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1955] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1956] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1957] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1955] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1956] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1955] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1958] set_robust_list(0x55557716c6a0, 24ci2-android-6-12-rust/strace-static-x86_64: Process 1959 attached
) = 0
[pid  1957] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1956] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1958
[pid  1959] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1958] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1957] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1955] <... clone3 resumed> => {parent_tid=[1959]}, 88) = 1959
[pid  1956] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1959] <... set_robust_list resumed>) = 0
[pid  1958] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1957] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1955] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1956] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1959] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1957] <... futex resumed>)        = 0
[pid  1955] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1956] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1959] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1958] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1957] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1955] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1956] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1959] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1958] <... prctl resumed>)        = 0
[pid  1957] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1955] <... futex resumed>)        = 0
[pid  1956] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1958] setpgid(0, 0 <unfinished ...>
[pid  1955] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1958] <... setpgid resumed>)      = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1959] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1957] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1959] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1957] <... futex resumed>)        = 1
[pid  1956] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1959] <... futex resumed>)        = 1
[pid  1957] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1955] <... futex resumed>)        = 0
[pid  1956] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1959] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1957] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1955] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1956] <... futex resumed>)        = 0
[pid  1959] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1957] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1955] <... futex resumed>)        = 0
[pid  1956] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1959] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1958] <... openat resumed>)       = 3
[pid  1957] <... openat resumed>)       = 3
[pid  1955] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1959] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1959] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1957] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1959] <... futex resumed>)        = 1
[pid  1957] <... futex resumed>)        = 1
[pid  1955] <... futex resumed>)        = 0
[pid  1956] <... futex resumed>)        = 0
[pid  1959] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1958] write(3, "1000", 4 <unfinished ...>
[pid  1957] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1955] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1956] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1959] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1958] <... write resumed>)        = 4
[pid  1957] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1955] <... futex resumed>)        = 0
[pid  1956] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1960 attached
[pid  1959] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1958] close(3 <unfinished ...>
[pid  1957] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1955] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1956] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1960] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1959] <... openat resumed>)       = 3
[pid  1958] <... close resumed>)        = 0
[pid  1957] <... write resumed>)        = 2
[pid  1960] <... set_robust_list resumed>) = 0
[pid  1959] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1958] write(1, "executing program\n", 18 <unfinished ...>
[pid  1957] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1960
executing program
[pid  1960] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1959] <... futex resumed>)        = 1
[pid  1958] <... write resumed>)        = 18
[pid  1957] <... futex resumed>)        = 1
[pid  1955] <... futex resumed>)        = 0
[pid  1956] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1960] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1959] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1958] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1957] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1955] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1956] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1960] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1959] <... write resumed>)        = 2
[pid  1958] <... futex resumed>)        = 0
[pid  1957] <... openat resumed>)       = 4
[pid  1955] <... futex resumed>)        = 0
[pid  1956] <... futex resumed>)        = 0
[pid  1960] <... prctl resumed>)        = 0
[pid  1959] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1958] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1957] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1955] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1956] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1960] setpgid(0, 0 <unfinished ...>
[pid  1959] <... futex resumed>)        = 0
[pid  1958] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1957] <... futex resumed>)        = 0
[pid  1955] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1956] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1960] <... setpgid resumed>)      = 0
[pid  1959] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1958] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1957] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1955] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1956] exit_group(0 <unfinished ...>
[pid  1960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1959] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1958] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1955] <... futex resumed>)        = 0
[pid  1960] <... openat resumed>)       = 3
[pid  1959] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1958] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1957] <... futex resumed>)        = ?
[pid  1955] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1956] <... exit_group resumed>)   = ?
[pid  1960] write(3, "1000", 4 <unfinished ...>
[pid  1959] <... openat resumed>)       = 4
[pid  1958] <... mmap resumed>)         = 0x7fb4de009000
[pid  1957] +++ exited with 0 +++
[pid  1956] +++ exited with 0 +++
[pid  1960] <... write resumed>)        = 4
[pid  1958] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1960] close(3)                    = 0
[pid  1959] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1958] <... mprotect resumed>)     = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1956, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1960] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  1959] <... futex resumed>)        = 1
[pid  1960] <... write resumed>)        = 18
[pid  1959] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1955] <... futex resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1960] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1955] exit_group(0 <unfinished ...>
[pid  1960] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1958] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1960] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1959] <... futex resumed>)        = ?
[pid  1955] <... exit_group resumed>)   = ?
[pid  1960] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1959] +++ exited with 0 +++
[pid  1960] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1960] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1960] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1960] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1955] +++ exited with 0 +++
[pid  1958] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1958] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1955, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1960] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1960] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1961 attached
 <unfinished ...>
[pid  1961] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1960] <... clone3 resumed> => {parent_tid=[1961]}, 88) = 1961
[pid  1961] <... set_robust_list resumed>) = 0
[pid  1960] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1961] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1960] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1961] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1960] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1962 attached
 <unfinished ...>
[pid  1961] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1960] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1962] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1958] <... clone3 resumed> => {parent_tid=[1962]}, 88) = 1962
[pid  1962] <... set_robust_list resumed>) = 0
[pid  1958] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1961] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1960] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1962] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1961] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1960] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1958] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1962] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1961] <... futex resumed>)        = 0
[pid  1960] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1962] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1961] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1960] <... futex resumed>)        = 0
[pid  1958] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1962] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1961] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1960] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1958] <... futex resumed>)        = 0
[pid  1962] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1961] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1960] <... futex resumed>)        = 0
[pid  1962] <... futex resumed>)        = 0
[pid  1961] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1960] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1958] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1962] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1961] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1960] <... futex resumed>)        = 0
[pid  1958] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1961] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1960] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1958] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1961] <... openat resumed>)       = 3
[pid  1961] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1960] <... futex resumed>)        = 0
[pid  1962] <... futex resumed>)        = 0
[pid  1958] <... futex resumed>)        = 1
[pid  1962] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1958] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1961] <... futex resumed>)        = 1
[pid  1960] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1962] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1961] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1960] <... futex resumed>)        = 0
[pid  1962] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1961] <... write resumed>)        = 2
[pid  1960] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1962] <... futex resumed>)        = 1
[pid  1961] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1960] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1958] <... futex resumed>)        = 0
[pid  1961] <... futex resumed>)        = 0
[pid  1960] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1962] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1961] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1960] <... futex resumed>)        = 0
[pid  1958] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1962] <... openat resumed>)       = 3
[pid  1961] <... openat resumed>)       = 4
[pid  1960] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1958] <... futex resumed>)        = 0
[pid  1961] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1960] <... futex resumed>)        = 0
[pid  1958] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1962] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1961] <... futex resumed>)        = 1
[pid  1960] exit_group(0 <unfinished ...>
[pid  1961] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1958] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1962] <... futex resumed>)        = 0
[pid  1961] <... futex resumed>)        = ?
[pid  1960] <... exit_group resumed>)   = ?
[pid  1958] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1962] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1961] +++ exited with 0 +++
[pid  1960] +++ exited with 0 +++
[pid  1958] <... futex resumed>)        = 0
[pid  1962] <... write resumed>)        = 2
[pid  1958] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1962] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1960, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1958] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1962] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1958] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1958] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1962] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid  1962] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1958] <... futex resumed>)        = 0
[pid  1962] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1958] exit_group(0 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  1962] <... futex resumed>)        = ?
[pid  1958] <... exit_group resumed>)   = ?
[pid  1962] +++ exited with 0 +++
[pid  1958] +++ exited with 0 +++
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1958, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1963 attached
 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1963
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1963] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1963] <... set_robust_list resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1964 attached
[pid  1963] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1963] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1963] setpgid(0, 0ci2-android-6-12-rust/strace-static-x86_64: Process 1965 attached
 <unfinished ...>
[pid  1964] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1963] <... setpgid resumed>)      = 0
[pid  1964] <... set_robust_list resumed>) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1964
[pid  1965] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1965
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1965] <... set_robust_list resumed>) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1965] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1964] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1965] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1964] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1965] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1964] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1965] <... prctl resumed>)        = 0
[pid  1964] <... prctl resumed>)        = 0
[pid  1963] write(3, "1000", 4 <unfinished ...>
[pid  1965] setpgid(0, 0 <unfinished ...>
[pid  1963] <... write resumed>)        = 4
[pid  1965] <... setpgid resumed>)      = 0
[pid  1963] close(3 <unfinished ...>
[pid  1964] setpgid(0, 0 <unfinished ...>
[pid  1963] <... close resumed>)        = 0
[pid  1963] write(1, "executing program\n", 18) = 18
[pid  1965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1963] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1964] <... setpgid resumed>)      = 0
[pid  1963] <... futex resumed>)        = 0
executing program
[pid  1963] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1963] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1963] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1963] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1963] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1963] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1965] <... openat resumed>)       = 3
[pid  1964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1965] write(3, "1000", 4ci2-android-6-12-rust/strace-static-x86_64: Process 1966 attached
)         = 4
[pid  1964] <... openat resumed>)       = 3
[pid  1966] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1965] close(3 <unfinished ...>
[pid  1964] write(3, "1000", 4 <unfinished ...>
[pid  1963] <... clone3 resumed> => {parent_tid=[1966]}, 88) = 1966
[pid  1966] <... set_robust_list resumed>) = 0
[pid  1963] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1966] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1965] <... close resumed>)        = 0
[pid  1964] <... write resumed>)        = 4
[pid  1963] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  1966] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1965] write(1, "executing program\n", 18 <unfinished ...>
[pid  1964] close(3 <unfinished ...>
[pid  1963] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1966] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1965] <... write resumed>)        = 18
[pid  1964] <... close resumed>)        = 0
[pid  1963] <... futex resumed>)        = 0
executing program
[pid  1965] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1964] write(1, "executing program\n", 18 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1964] <... write resumed>)        = 18
[pid  1966] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1965] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
executing program
[pid  1964] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1963] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1966] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1965] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1964] <... futex resumed>)        = 0
[pid  1963] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1966] <... futex resumed>)        = 0
[pid  1965] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1964] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1963] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1966] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1963] <... futex resumed>)        = 0
[pid  1966] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1963] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1966] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1963] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1967 attached
[pid  1966] <... futex resumed>)        = 1
[pid  1963] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1966] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1963] <... futex resumed>)        = 0
[pid  1967] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1966] <... openat resumed>)       = 3
[pid  1963] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1967] <... set_robust_list resumed>) = 0
[pid  1967] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1966] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1965] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1963] <... futex resumed>)        = 0
[pid  1964] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1965] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1964] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1967
[pid  1967] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1966] <... futex resumed>)        = 1
[pid  1965] <... mmap resumed>)         = 0x7fb4de009000
[pid  1964] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1963] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1967] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1966] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1964] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1963] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1965] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1967] <... prctl resumed>)        = 0
[pid  1966] <... write resumed>)        = 2
[pid  1964] <... mmap resumed>)         = 0x7fb4de009000
[pid  1963] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1967] setpgid(0, 0 <unfinished ...>
[pid  1966] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1964] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1963] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1967] <... setpgid resumed>)      = 0
[pid  1966] <... futex resumed>)        = 0
[pid  1963] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1966] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1964] <... mprotect resumed>)     = 0
[pid  1963] <... futex resumed>)        = 0
[pid  1967] <... openat resumed>)       = 3
[pid  1966] <... openat resumed>)       = 4
[pid  1965] <... mprotect resumed>)     = 0
[pid  1964] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1963] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1965] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1964] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1967] write(3, "1000", 4 <unfinished ...>
[pid  1966] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1965] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1964] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1967] <... write resumed>)        = 4
[pid  1966] <... futex resumed>)        = 1
[pid  1965] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1963] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1968 attached
[pid  1967] close(3 <unfinished ...>
[pid  1966] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1963] exit_group(0 <unfinished ...>
[pid  1967] <... close resumed>)        = 0
[pid  1967] write(1, "executing program\n", 18 <unfinished ...>
[pid  1966] <... futex resumed>)        = ?
executing program
[pid  1963] <... exit_group resumed>)   = ?
[pid  1968] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1967] <... write resumed>)        = 18
[pid  1966] +++ exited with 0 +++
[pid  1963] +++ exited with 0 +++
[pid  1968] <... set_robust_list resumed>) = 0
[pid  1965] <... clone3 resumed> => {parent_tid=[1969]}, 88) = 1969
[pid  1964] <... clone3 resumed> => {parent_tid=[1968]}, 88) = 1968
[pid  1968] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1964] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 1969 attached
 <unfinished ...>
[pid  1968] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1967] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1965] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1963, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1969] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1968] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1967] <... futex resumed>)        = 0
[pid  1965] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1964] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1969] <... set_robust_list resumed>) = 0
[pid  1967] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1965] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1969] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1967] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1964] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1969] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1967] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1969] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1967] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1969] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1968] <... futex resumed>)        = 0
[pid  1967] <... mmap resumed>)         = 0x7fb4de009000
[pid  1965] <... futex resumed>)        = 0
[pid  1964] <... futex resumed>)        = 1
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1969] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1967] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1969] <... futex resumed>)        = 0
[pid  1968] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1967] <... mprotect resumed>)     = 0
[pid  1965] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1964] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1969] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1968] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1965] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1968] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1965] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1969] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1967] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1969] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1967] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1969] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1967] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1970 attached
 <unfinished ...>
[pid  1969] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1968] <... futex resumed>)        = 1
[pid  1965] <... futex resumed>)        = 0
[pid  1964] <... futex resumed>)        = 0
[pid  1970] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1969] <... futex resumed>)        = 0
[pid  1967] <... clone3 resumed> => {parent_tid=[1971]}, 88) = 1971
ci2-android-6-12-rust/strace-static-x86_64: Process 1971 attached
[pid  1970] <... set_robust_list resumed>) = 0
[pid  1969] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1967] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1964] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1971] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1970] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1968] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1967] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1965] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1971] <... set_robust_list resumed>) = 0
[pid  1964] <... futex resumed>)        = 0
[pid  1971] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1965] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1964] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1968] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1971] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1965] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1971] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1968] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1970
[pid  1965] <... futex resumed>)        = 1
[pid  1970] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1969] <... futex resumed>)        = 0
[pid  1967] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1971] <... futex resumed>)        = 0
[pid  1970] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1969] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1968] <... futex resumed>)        = 1
[pid  1967] <... futex resumed>)        = 1
[pid  1965] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1964] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1971] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1970] <... prctl resumed>)        = 0
[pid  1969] <... openat resumed>)       = 3
[pid  1968] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1967] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1964] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1971] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1970] setpgid(0, 0 <unfinished ...>
[pid  1969] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1968] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1964] <... futex resumed>)        = 0
[pid  1971] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1970] <... setpgid resumed>)      = 0
[pid  1969] <... futex resumed>)        = 1
[pid  1968] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1965] <... futex resumed>)        = 0
[pid  1964] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1971] <... futex resumed>)        = 1
[pid  1970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1969] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1967] <... futex resumed>)        = 0
[pid  1971] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1970] <... openat resumed>)       = 3
[pid  1969] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1968] <... openat resumed>)       = 3
[pid  1967] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1965] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1971] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1969] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1967] <... futex resumed>)        = 0
[pid  1965] <... futex resumed>)        = 0
[pid  1971] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1970] write(3, "1000", 4 <unfinished ...>
[pid  1969] <... write resumed>)        = 2
[pid  1968] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1967] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1965] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1971] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1970] <... write resumed>)        = 4
[pid  1969] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1968] <... futex resumed>)        = 1
[pid  1965] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1964] <... futex resumed>)        = 0
[pid  1969] <... futex resumed>)        = 0
[pid  1968] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1965] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1971] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1970] close(3 <unfinished ...>
[pid  1969] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1968] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1965] <... futex resumed>)        = 0
[pid  1964] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1971] <... futex resumed>)        = 1
[pid  1970] <... close resumed>)        = 0
[pid  1969] <... openat resumed>)       = 4
[pid  1967] <... futex resumed>)        = 0
[pid  1971] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1970] write(1, "executing program\n", 18 <unfinished ...>
[pid  1969] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1968] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1967] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1965] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1964] <... futex resumed>)        = 0
[pid  1971] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1970] <... write resumed>)        = 18
[pid  1969] <... futex resumed>)        = 0
[pid  1968] <... write resumed>)        = 2
[pid  1967] <... futex resumed>)        = 0
[pid  1971] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1970] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1969] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1968] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1967] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1965] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1964] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1971] <... openat resumed>)       = 3
[pid  1970] <... futex resumed>)        = 0
[pid  1968] <... futex resumed>)        = 0
[pid  1970] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1968] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1965] exit_group(0 <unfinished ...>
[pid  1964] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1971] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1970] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1964] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1971] <... futex resumed>)        = 1
[pid  1970] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1967] <... futex resumed>)        = 0
[pid  1971] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1970] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1967] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1971] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1970] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1967] <... futex resumed>)        = 0
[pid  1971] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1970] <... mmap resumed>)         = 0x7fb4de009000
[pid  1967] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1971] <... write resumed>)        = 2
[pid  1970] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1971] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1970] <... mprotect resumed>)     = 0
[pid  1971] <... futex resumed>)        = 1
[pid  1969] <... futex resumed>)        = ?
[pid  1968] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1967] <... futex resumed>)        = 0
[pid  1965] <... exit_group resumed>)   = ?
[pid  1964] <... futex resumed>)        = 0
[pid  1971] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1970] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1969] +++ exited with 0 +++
[pid  1968] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1967] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1971] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1970] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1967] <... futex resumed>)        = 0
[pid  1971] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1970] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1967] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1972 attached
 <unfinished ...>
[pid  1971] <... openat resumed>)       = 4
[pid  1972] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1971] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1965] +++ exited with 0 +++
[pid  1964] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1972] <... set_robust_list resumed>) = 0
[pid  1971] <... futex resumed>)        = 1
[pid  1970] <... clone3 resumed> => {parent_tid=[1972]}, 88) = 1972
[pid  1967] <... futex resumed>)        = 0
[pid  1968] <... openat resumed>)       = 4
[pid  1972] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1971] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1970] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1968] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1967] exit_group(0 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1965, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1972] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1971] <... futex resumed>)        = ?
[pid  1970] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1968] <... futex resumed>)        = 1
[pid  1967] <... exit_group resumed>)   = ?
[pid  1964] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1972] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1971] +++ exited with 0 +++
[pid  1970] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1968] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1964] exit_group(0 <unfinished ...>
[pid  1972] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1970] <... futex resumed>)        = 0
[pid  1967] +++ exited with 0 +++
[pid  1964] <... exit_group resumed>)   = ?
[pid  1972] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1968] <... futex resumed>)        = ?
[pid  1972] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1970] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1967, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1972] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1970] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1972] <... futex resumed>)        = 0
[pid  1970] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1972] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1970] <... futex resumed>)        = 0
[pid  1968] +++ exited with 0 +++
[pid  1972] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1970] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1972] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1970] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  1970] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1972] <... futex resumed>)        = 1
[pid  1970] <... futex resumed>)        = 0
[pid  1972] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1970] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1972] <... openat resumed>)       = 3
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1972] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1970] <... futex resumed>)        = 0
[pid  1972] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1970] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1972] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1970] <... futex resumed>)        = 0
[pid  1972] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1970] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1972] <... write resumed>)        = 2
[pid  1972] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1973 attached
) = 1
[pid  1970] <... futex resumed>)        = 0
[pid  1973] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1972] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1970] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1973] <... set_robust_list resumed>) = 0
[pid  1972] <... openat resumed>)       = 4
[pid  1970] <... futex resumed>)        = 0
[pid  1973] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1970] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1973] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1973] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1972] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1964] +++ exited with 0 +++
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1973
[pid  1973] <... prctl resumed>)        = 0
[pid  1972] <... futex resumed>)        = 1
[pid  1970] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1964, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1973] setpgid(0, 0 <unfinished ...>
[pid  1972] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1970] exit_group(0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1973] <... setpgid resumed>)      = 0
[pid  1972] <... futex resumed>)        = ?
[pid  1970] <... exit_group resumed>)   = ?
[pid  1973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1972] +++ exited with 0 +++
[pid  1970] +++ exited with 0 +++
[pid  1973] <... openat resumed>)       = 3
[pid  1973] write(3, "1000", 4 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1970, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1973] <... write resumed>)        = 4
[pid  1973] close(3)                    = 0
[pid  1973] write(1, "executing program\n", 18) = 18
executing program
[pid  1973] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1973] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1973] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1973] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1973] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1973] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1973] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1974 attached
 <unfinished ...>
[pid  1974] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1973] <... clone3 resumed> => {parent_tid=[1974]}, 88) = 1974
[pid   314] <... restart_syscall resumed>) = 0
[pid  1974] <... set_robust_list resumed>) = 0
[pid  1973] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1974] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1973] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1974] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1974] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1973] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1974] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1973] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1974] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1973] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1974] <... futex resumed>)        = 0
[pid  1973] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1974] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1973] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1974] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1973] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1974] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1973] <... futex resumed>)        = 0
[pid  1973] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1974] <... futex resumed>)        = 1
[pid  1973] <... futex resumed>)        = 0
[pid  1974] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1973] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1974] <... openat resumed>)       = 3
[pid  1974] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1975 attached
) = 1
[pid  1973] <... futex resumed>)        = 0
[pid  1975] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1974] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1973] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1975
[pid  1975] <... set_robust_list resumed>) = 0
[pid  1974] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1973] <... futex resumed>)        = 0
[pid  1975] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1974] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1973] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1975] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1974] <... write resumed>)        = 2
[pid  1975] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1974] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1973] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1975] <... prctl resumed>)        = 0
[pid  1974] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1973] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1975] setpgid(0, 0 <unfinished ...>
[pid  1974] <... openat resumed>)       = 4
[pid  1973] <... futex resumed>)        = 0
[pid  1975] <... setpgid resumed>)      = 0
[pid  1973] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  1974] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1974] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1973] <... futex resumed>)        = 0
[pid  1975] write(3, "1000", 4 <unfinished ...>
[pid  1973] exit_group(0 <unfinished ...>
[pid  1975] <... write resumed>)        = 4
[pid  1975] close(3 <unfinished ...>
[pid  1974] <... futex resumed>)        = ?
[pid  1975] <... close resumed>)        = 0
[pid  1974] +++ exited with 0 +++
[pid  1973] <... exit_group resumed>)   = ?
[pid  1975] write(1, "executing program\n", 18 <unfinished ...>
[pid  1973] +++ exited with 0 +++
[pid  1975] <... write resumed>)        = 18
[pid  1975] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1975] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1975] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1975] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1975] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
executing program
[pid  1975] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1975] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1976 attached
 <unfinished ...>
[pid  1976] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1975] <... clone3 resumed> => {parent_tid=[1976]}, 88) = 1976
[pid  1976] <... set_robust_list resumed>) = 0
[pid  1975] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1976] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1975] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1976] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1975] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1976] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1975] <... futex resumed>)        = 0
[pid  1975] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1973, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1976] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1976] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1975] <... futex resumed>)        = 0
[pid  1976] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1975] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1976] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1975] <... futex resumed>)        = 0
[pid  1976] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1975] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1976] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1976] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1975] <... futex resumed>)        = 0
[pid  1976] <... futex resumed>)        = 1
[pid  1975] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1976] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  1975] <... futex resumed>)        = 0
[pid  1975] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1976] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1975] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1976] <... futex resumed>)        = 0
[pid  1975] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1976] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1975] <... futex resumed>)        = 0
[pid  1976] <... write resumed>)        = 2
[pid  1975] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1976] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1975] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1976] <... futex resumed>)        = 0
[pid  1975] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1976] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1975] <... futex resumed>)        = 0
[pid  1976] <... openat resumed>)       = 4
[pid  1975] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1976] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1975] <... futex resumed>)        = 0
[pid  1976] <... futex resumed>)        = 1
[pid  1975] exit_group(0 <unfinished ...>
[pid  1976] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1976] <... futex resumed>)        = ?
[pid  1975] <... exit_group resumed>)   = ?
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1976] +++ exited with 0 +++
[pid  1975] +++ exited with 0 +++
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1975, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1977 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 1978 attached
 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1977
ci2-android-6-12-rust/strace-static-x86_64: Process 1979 attached
[pid  1978] set_robust_list(0x55557716c6a0, 24) = 0
[pid  1977] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1979
[pid  1979] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1978
[pid  1979] <... set_robust_list resumed>) = 0
[pid  1978] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1979] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1978] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1979] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1977] <... set_robust_list resumed>) = 0
[pid  1979] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1979] <... prctl resumed>)        = 0
[pid  1978] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1977] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1977] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1979] setpgid(0, 0 <unfinished ...>
[pid  1978] <... prctl resumed>)        = 0
[pid  1979] <... setpgid resumed>)      = 0
[pid  1977] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1978] setpgid(0, 0 <unfinished ...>
[pid  1977] <... prctl resumed>)        = 0
[pid  1979] <... openat resumed>)       = 3
[pid  1978] <... setpgid resumed>)      = 0
[pid  1977] setpgid(0, 0 <unfinished ...>
[pid  1979] write(3, "1000", 4 <unfinished ...>
[pid  1977] <... setpgid resumed>)      = 0
[pid  1978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1979] <... write resumed>)        = 4
[pid  1978] <... openat resumed>)       = 3
[pid  1977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1979] close(3 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1978] write(3, "1000", 4 <unfinished ...>
[pid  1979] <... close resumed>)        = 0
[pid  1978] <... write resumed>)        = 4
[pid  1977] <... openat resumed>)       = 3
[pid  1978] close(3)                    = 0
executing program
[pid  1978] write(1, "executing program\n", 18) = 18
[pid  1978] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1979] write(1, "executing program\n", 18 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1979] <... write resumed>)        = 18
[pid  1977] write(3, "1000", 4 <unfinished ...>
executing program
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1979] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1977] <... write resumed>)        = 4
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1979] <... futex resumed>)        = 0
[pid  1977] close(3 <unfinished ...>
[pid  1978] <... futex resumed>)        = 0
[pid  1978] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1978] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  1978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1978] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1980 attached
[pid  1979] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1978] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1977] <... close resumed>)        = 0
[pid  1980] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1979] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1978] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1980] <... set_robust_list resumed>) = 0
[pid  1978] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1980] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1979] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1977] write(1, "executing program\n", 18 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1980
ci2-android-6-12-rust/strace-static-x86_64: Process 1981 attached
[pid  1979] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1977] <... write resumed>)        = 18
[pid  1979] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1980] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1978] <... clone3 resumed> => {parent_tid=[1981]}, 88) = 1981
executing program
[pid  1981] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1980] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1979] <... mmap resumed>)         = 0x7fb4de009000
[pid  1978] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1977] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1981] <... set_robust_list resumed>) = 0
[pid  1980] <... prctl resumed>)        = 0
[pid  1979] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1978] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1977] <... futex resumed>)        = 0
[pid  1981] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1980] setpgid(0, 0 <unfinished ...>
[pid  1978] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1980] <... setpgid resumed>)      = 0
[pid  1978] <... futex resumed>)        = 0
[pid  1981] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1979] <... mprotect resumed>)     = 0
[pid  1978] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1977] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1981] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1979] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1977] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1981] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1979] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1977] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1981] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1979] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1977] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1981] <... futex resumed>)        = 1
[pid  1981] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1980] <... openat resumed>)       = 3
[pid  1978] <... futex resumed>)        = 0
[pid  1977] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1980] write(3, "1000", 4 <unfinished ...>
[pid  1978] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1982 attached
 <unfinished ...>
[pid  1981] <... futex resumed>)        = 0
[pid  1980] <... write resumed>)        = 4
[pid  1979] <... clone3 resumed> => {parent_tid=[1982]}, 88) = 1982
[pid  1978] <... futex resumed>)        = 1
[pid  1977] <... mmap resumed>)         = 0x7fb4de009000
[pid  1982] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1981] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1980] close(3 <unfinished ...>
[pid  1979] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1978] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1982] <... set_robust_list resumed>) = 0
[pid  1980] <... close resumed>)        = 0
[pid  1982] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1980] write(1, "executing program\n", 18 <unfinished ...>
[pid  1982] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1980] <... write resumed>)        = 18
executing program
[pid  1982] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1981] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1980] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1979] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1977] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1981] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1980] <... futex resumed>)        = 0
[pid  1979] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1980] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1982] <... futex resumed>)        = 0
[pid  1981] <... futex resumed>)        = 1
[pid  1980] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1979] <... futex resumed>)        = 1
[pid  1978] <... futex resumed>)        = 0
[pid  1977] <... mprotect resumed>)     = 0
[pid  1982] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1981] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1980] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1979] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1978] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1982] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1981] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1980] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1978] <... futex resumed>)        = 0
[pid  1977] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1982] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1981] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1980] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1979] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1978] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1982] <... futex resumed>)        = 0
[pid  1981] <... openat resumed>)       = 3
[pid  1980] <... mmap resumed>)         = 0x7fb4de009000
[pid  1979] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1977] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1982] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1981] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1979] <... futex resumed>)        = 0
[pid  1977] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1982] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1981] <... futex resumed>)        = 1
[pid  1980] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1978] <... futex resumed>)        = 0
[pid  1980] <... mprotect resumed>)     = 0
[pid  1978] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1983 attached
 <unfinished ...>
[pid  1982] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1981] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1980] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1979] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1978] <... futex resumed>)        = 0
[pid  1983] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1982] <... futex resumed>)        = 0
[pid  1981] <... write resumed>)        = 2
[pid  1980] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1979] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1978] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1977] <... clone3 resumed> => {parent_tid=[1983]}, 88) = 1983
[pid  1983] <... set_robust_list resumed>) = 0
[pid  1982] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1981] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1980] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1979] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1978] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 1984 attached
[pid  1983] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1982] <... openat resumed>)       = 3
[pid  1981] <... futex resumed>)        = 0
[pid  1979] <... futex resumed>)        = 0
[pid  1978] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1977] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1984] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1983] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1982] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1981] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1979] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1977] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1984] <... set_robust_list resumed>) = 0
[pid  1983] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1980] <... clone3 resumed> => {parent_tid=[1984]}, 88) = 1984
[pid  1979] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1978] <... futex resumed>)        = 0
[pid  1977] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1984] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1979] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1977] <... futex resumed>)        = 0
[pid  1981] <... openat resumed>)       = 4
[pid  1979] <... futex resumed>)        = 0
[pid  1984] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1981] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1979] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1977] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1984] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1981] <... futex resumed>)        = 0
[pid  1983] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1982] <... futex resumed>)        = 1
[pid  1981] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1980] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1979] <... futex resumed>)        = 0
[pid  1978] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1983] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1982] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1980] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1978] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1983] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1982] <... write resumed>)        = 2
[pid  1980] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1978] exit_group(0 <unfinished ...>
[pid  1984] <... futex resumed>)        = 0
[pid  1983] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1982] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1980] <... futex resumed>)        = 1
[pid  1979] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1978] <... exit_group resumed>)   = ?
[pid  1984] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1983] <... futex resumed>)        = 1
[pid  1982] <... futex resumed>)        = 0
[pid  1981] <... futex resumed>)        = ?
[pid  1980] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1979] <... futex resumed>)        = 0
[pid  1977] <... futex resumed>)        = 0
[pid  1984] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1983] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1982] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1979] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1977] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1984] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1983] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1982] <... openat resumed>)       = 4
[pid  1977] <... futex resumed>)        = 0
[pid  1984] <... futex resumed>)        = 1
[pid  1983] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1981] +++ exited with 0 +++
[pid  1980] <... futex resumed>)        = 0
[pid  1978] +++ exited with 0 +++
[pid  1977] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1984] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1983] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1982] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1980] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1982] <... futex resumed>)        = 1
[pid  1980] <... futex resumed>)        = 0
[pid  1979] <... futex resumed>)        = 0
[pid  1982] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1980] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1979] exit_group(0 <unfinished ...>
[pid  1984] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1983] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1982] <... futex resumed>)        = ?
[pid  1979] <... exit_group resumed>)   = ?
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1978, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1984] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1983] <... futex resumed>)        = 1
[pid  1982] +++ exited with 0 +++
[pid  1979] +++ exited with 0 +++
[pid  1977] <... futex resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1983] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1977] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1979, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1984] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1977] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1983] <... openat resumed>)       = 3
[pid  1977] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1984] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1983] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1977] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1983] <... futex resumed>)        = 0
[pid  1977] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1984] <... futex resumed>)        = 1
[pid  1980] <... futex resumed>)        = 0
[pid  1977] <... futex resumed>)        = 0
[pid  1983] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1984] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1980] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1977] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1984] <... openat resumed>)       = 3
[pid  1983] <... write resumed>)        = 2
[pid  1980] <... futex resumed>)        = 0
[pid  1984] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1983] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1984] <... futex resumed>)        = 0
[pid  1980] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1984] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1983] <... futex resumed>)        = 1
[pid  1977] <... futex resumed>)        = 0
[pid  1983] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1980] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1977] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1983] <... openat resumed>)       = 4
[pid  1980] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1977] <... futex resumed>)        = 0
[pid  1977] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1983] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1984] <... futex resumed>)        = 0
[pid  1980] <... futex resumed>)        = 1
[pid  1983] <... futex resumed>)        = 0
[pid  1977] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1984] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1983] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1980] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1984] <... write resumed>)        = 2
[pid  1977] exit_group(0 <unfinished ...>
[pid  1984] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1983] <... futex resumed>)        = ?
[pid  1977] <... exit_group resumed>)   = ?
[pid  1984] <... futex resumed>)        = 1
[pid  1980] <... futex resumed>)        = 0
[pid  1983] +++ exited with 0 +++
[pid  1984] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1980] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1984] <... futex resumed>)        = 0
[pid  1980] <... futex resumed>)        = 1
[pid  1977] +++ exited with 0 +++
[pid  1984] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1980] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1977, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1984] <... openat resumed>)       = 4
[pid  1984] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1980] <... futex resumed>)        = 0
[pid  1984] <... futex resumed>)        = 1
[pid  1980] exit_group(0 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1980] <... exit_group resumed>)   = ?
[pid  1984] +++ exited with 0 +++
[pid  1980] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1980, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1985 attached
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1985
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  1985] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1986
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1986 attached
[pid  1985] <... set_robust_list resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1986] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1986] <... set_robust_list resumed>) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1985] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1985] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  1985] setpgid(0, 0)               = 0
[pid  1985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-12-rust/strace-static-x86_64: Process 1987 attached
) = 3
[pid  1986] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1987] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1986] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1987] <... set_robust_list resumed>) = 0
[pid  1987] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1986] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1985] write(3, "1000", 4 <unfinished ...>
[pid  1987] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1986] <... prctl resumed>)        = 0
[pid  1985] <... write resumed>)        = 4
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1987
[pid  1987] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1986] setpgid(0, 0 <unfinished ...>
[pid  1985] close(3 <unfinished ...>
[pid  1986] <... setpgid resumed>)      = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1987] <... prctl resumed>)        = 0
[pid  1986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1985] <... close resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1987] setpgid(0, 0 <unfinished ...>
[pid  1985] write(1, "executing program\n", 18 <unfinished ...>
[pid  1987] <... setpgid resumed>)      = 0
executing program
[pid  1985] <... write resumed>)        = 18
[pid  1987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1985] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1987] <... openat resumed>)       = 3
[pid  1986] <... openat resumed>)       = 3
[pid  1985] <... futex resumed>)        = 0
[pid  1985] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1987] write(3, "1000", 4 <unfinished ...>
[pid  1985] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1986] write(3, "1000", 4 <unfinished ...>
[pid  1987] <... write resumed>)        = 4
[pid  1986] <... write resumed>)        = 4
[pid  1985] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1987] close(3 <unfinished ...>
[pid  1986] close(3 <unfinished ...>
[pid  1985] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1987] <... close resumed>)        = 0
[pid  1985] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1987] write(1, "executing program\n", 18 <unfinished ...>
[pid  1986] <... close resumed>)        = 0
[pid  1985] <... mmap resumed>)         = 0x7fb4de009000
[pid  1987] <... write resumed>)        = 18
executing program
[pid  1986] write(1, "executing program\n", 18 <unfinished ...>
[pid  1987] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1986] <... write resumed>)        = 18
[pid  1985] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1987] <... futex resumed>)        = 0
executing program
[pid  1986] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1985] <... mprotect resumed>)     = 0
[pid  1987] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1986] <... futex resumed>)        = 0
[pid  1987] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1986] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1985] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1987] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1986] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1987] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1985] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1986] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1987] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1986] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1985] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1988 attached
 <unfinished ...>
[pid  1987] <... mmap resumed>)         = 0x7fb4de009000
[pid  1986] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1987] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1988] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1987] <... mprotect resumed>)     = 0
[pid  1987] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1985] <... clone3 resumed> => {parent_tid=[1988]}, 88) = 1988
[pid  1988] <... set_robust_list resumed>) = 0
[pid  1986] <... mmap resumed>)         = 0x7fb4de009000
[pid  1985] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1988] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1986] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1987] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1985] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1987] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1985] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1989 attached
) = 0
[pid  1989] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1985] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1990 attached
 <unfinished ...>
[pid  1989] <... set_robust_list resumed>) = 0
[pid  1987] <... clone3 resumed> => {parent_tid=[1989]}, 88) = 1989
[pid  1989] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1987] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1986] <... mprotect resumed>)     = 0
[pid  1989] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1987] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1989] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1987] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1989] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1989] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1987] <... futex resumed>)        = 0
[pid  1987] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1988] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1989] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1989] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1986] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1989] <... futex resumed>)        = 1
[pid  1988] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1987] <... futex resumed>)        = 0
[pid  1986] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1990] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1989] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1988] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1987] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1986] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1990
[pid  1990] <... set_robust_list resumed>) = 0
[pid  1989] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1988] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1987] <... futex resumed>)        = 0
[pid  1989] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1987] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1990] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1988] <... futex resumed>)        = 1
[pid  1985] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1990] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1988] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 1991 attached
[pid  1990] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1989] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1988] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1985] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1991] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1990] <... prctl resumed>)        = 0
[pid  1989] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1988] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1986] <... clone3 resumed> => {parent_tid=[1991]}, 88) = 1991
[pid  1985] <... futex resumed>)        = 0
[pid  1991] <... set_robust_list resumed>) = 0
[pid  1990] setpgid(0, 0 <unfinished ...>
[pid  1989] <... futex resumed>)        = 1
[pid  1987] <... futex resumed>)        = 0
[pid  1985] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1991] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1990] <... setpgid resumed>)      = 0
[pid  1989] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1988] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1987] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1986] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1991] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1989] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1988] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1987] <... futex resumed>)        = 0
[pid  1986] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1991] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1989] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1987] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1985] <... futex resumed>)        = 0
[pid  1990] <... openat resumed>)       = 3
[pid  1989] <... openat resumed>)       = 3
[pid  1988] <... futex resumed>)        = 1
[pid  1986] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1985] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1991] <... futex resumed>)        = 0
[pid  1990] write(3, "1000", 4 <unfinished ...>
[pid  1989] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1988] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1986] <... futex resumed>)        = 1
[pid  1985] <... futex resumed>)        = 0
[pid  1991] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1989] <... futex resumed>)        = 1
[pid  1987] <... futex resumed>)        = 0
[pid  1986] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1985] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1991] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1990] <... write resumed>)        = 4
[pid  1989] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1988] <... openat resumed>)       = 3
[pid  1987] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1991] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1990] close(3 <unfinished ...>
[pid  1989] <... write resumed>)        = 2
[pid  1988] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1987] <... futex resumed>)        = 0
[pid  1991] <... futex resumed>)        = 1
[pid  1990] <... close resumed>)        = 0
[pid  1989] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1988] <... futex resumed>)        = 1
[pid  1987] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1986] <... futex resumed>)        = 0
[pid  1985] <... futex resumed>)        = 0
[pid  1991] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1990] write(1, "executing program\n", 18 <unfinished ...>
[pid  1989] <... futex resumed>)        = 0
[pid  1987] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1990] <... write resumed>)        = 18
[pid  1989] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1988] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1987] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1986] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1985] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1991] <... futex resumed>)        = 0
[pid  1990] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1989] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1988] <... write resumed>)        = 2
[pid  1987] <... futex resumed>)        = 0
[pid  1986] <... futex resumed>)        = 1
[pid  1985] <... futex resumed>)        = 0
[pid  1991] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1990] <... futex resumed>)        = 0
[pid  1989] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1988] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1987] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1986] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1985] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1991] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1990] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1989] <... openat resumed>)       = 4
[pid  1988] <... futex resumed>)        = 0
[pid  1990] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1988] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1991] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1990] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1989] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1985] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1991] <... futex resumed>)        = 1
[pid  1990] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1989] <... futex resumed>)        = 1
[pid  1987] <... futex resumed>)        = 0
[pid  1986] <... futex resumed>)        = 0
[pid  1985] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1991] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1989] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1988] <... futex resumed>)        = 0
[pid  1987] exit_group(0 <unfinished ...>
[pid  1986] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1985] <... futex resumed>)        = 1
[pid  1991] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1989] <... futex resumed>)        = ?
[pid  1987] <... exit_group resumed>)   = ?
[pid  1985] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1991] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1990] <... mmap resumed>)         = 0x7fb4de009000
[pid  1989] +++ exited with 0 +++
[pid  1988] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1987] +++ exited with 0 +++
[pid  1986] <... futex resumed>)        = 0
[pid  1990] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1991] <... openat resumed>)       = 3
[pid  1991] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1988] <... openat resumed>)       = 4
[pid  1986] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1987, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1991] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1990] <... mprotect resumed>)     = 0
[pid  1986] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1986] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1990] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1988] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1991] <... futex resumed>)        = 0
[pid  1986] <... futex resumed>)        = 1
[pid  1991] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1988] <... futex resumed>)        = 1
[pid  1986] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1985] <... futex resumed>)        = 0
[pid  1991] <... write resumed>)        = 2
[pid  1990] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1988] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1985] exit_group(0 <unfinished ...>
[pid  1991] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1990] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1991] <... futex resumed>)        = 1
[pid  1988] <... futex resumed>)        = ?
[pid  1985] <... exit_group resumed>)   = ?
[pid  1991] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1988] +++ exited with 0 +++
[pid  1986] <... futex resumed>)        = 0
[pid  1985] +++ exited with 0 +++
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 1992 attached
 <unfinished ...>
[pid  1992] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  1992] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1992] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1990] <... clone3 resumed> => {parent_tid=[1992]}, 88) = 1992
[pid  1990] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1990] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1992] <... futex resumed>)        = 0
[pid  1992] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1990] <... futex resumed>)        = 1
[pid  1986] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1985, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1992] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1991] <... futex resumed>)        = 0
[pid  1990] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1986] <... futex resumed>)        = 1
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1992] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1991] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1986] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1992] <... futex resumed>)        = 1
[pid  1991] <... openat resumed>)       = 4
[pid  1990] <... futex resumed>)        = 0
[pid  1992] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1990] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1992] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1991] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1990] <... futex resumed>)        = 0
[pid  1992] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1991] <... futex resumed>)        = 0
[pid  1990] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1993 attached
 <unfinished ...>
[pid  1992] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1991] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1986] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1993] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1992] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1993] <... set_robust_list resumed>) = 0
[pid  1992] <... futex resumed>)        = 1
[pid  1990] <... futex resumed>)        = 0
[pid  1993] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1992] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1990] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1986] exit_group(0 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 1993
[pid  1991] <... futex resumed>)        = ?
[pid  1986] <... exit_group resumed>)   = ?
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1991] +++ exited with 0 +++
[pid  1993] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1992] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1990] <... futex resumed>)        = 0
[pid  1993] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1992] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1990] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1993] <... prctl resumed>)        = 0
[pid  1992] <... openat resumed>)       = 3
[pid  1993] setpgid(0, 0 <unfinished ...>
[pid  1992] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1993] <... setpgid resumed>)      = 0
[pid  1992] <... futex resumed>)        = 1
[pid  1990] <... futex resumed>)        = 0
[pid  1993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1992] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1990] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1986] +++ exited with 0 +++
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1993] <... openat resumed>)       = 3
[pid  1992] <... write resumed>)        = 2
[pid  1990] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1986, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1990] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1993] write(3, "1000", 4 <unfinished ...>
[pid  1992] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1990] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1993] <... write resumed>)        = 4
[pid  1992] <... futex resumed>)        = 0
[pid  1990] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1993] close(3 <unfinished ...>
[pid  1992] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1990] <... futex resumed>)        = 0
[pid  1993] <... close resumed>)        = 0
[pid  1992] <... openat resumed>)       = 4
[pid  1990] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1993] write(1, "executing program\n", 18) = 18
executing program
[pid  1993] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1992] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1993] <... futex resumed>)        = 0
[pid  1992] <... futex resumed>)        = 1
[pid  1990] <... futex resumed>)        = 0
[pid  1993] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1992] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1990] exit_group(0 <unfinished ...>
[pid  1993] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1993] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1992] <... futex resumed>)        = ?
[pid  1990] <... exit_group resumed>)   = ?
[pid  1993] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1992] +++ exited with 0 +++
[pid  1990] +++ exited with 0 +++
[pid  1993] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  1993] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1990, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1993] <... mprotect resumed>)     = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1993] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  1993] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1994 attached
 => {parent_tid=[1994]}, 88) = 1994
[pid  1993] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  1993] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  1994] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1994] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1993] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1994] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1994] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 1995 attached
 <unfinished ...>
[pid  1994] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1994] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1996 attached
 <unfinished ...>
[pid  1995] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 1996
[pid  1996] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1995] <... set_robust_list resumed>) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1996] <... set_robust_list resumed>) = 0
[pid  1996] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1995] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1994] <... futex resumed>)        = 1
[pid  1993] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 1995
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1994] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1996] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1995] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1993] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1996] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1995] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1994] <... futex resumed>)        = 0
[pid  1993] <... futex resumed>)        = 1
[pid  1996] <... prctl resumed>)        = 0
[pid  1995] <... prctl resumed>)        = 0
[pid  1994] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1993] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1996] setpgid(0, 0 <unfinished ...>
[pid  1995] setpgid(0, 0 <unfinished ...>
[pid  1996] <... setpgid resumed>)      = 0
[pid  1995] <... setpgid resumed>)      = 0
[pid  1996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1994] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1994] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1996] <... openat resumed>)       = 3
[pid  1994] <... futex resumed>)        = 1
[pid  1993] <... futex resumed>)        = 0
[pid  1994] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1995] <... openat resumed>)       = 3
[pid  1993] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1996] write(3, "1000", 4 <unfinished ...>
[pid  1995] write(3, "1000", 4 <unfinished ...>
[pid  1994] <... futex resumed>)        = 0
[pid  1993] <... futex resumed>)        = 1
[pid  1996] <... write resumed>)        = 4
[pid  1995] <... write resumed>)        = 4
[pid  1994] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1993] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1996] close(3 <unfinished ...>
[pid  1995] close(3 <unfinished ...>
[pid  1996] <... close resumed>)        = 0
[pid  1994] <... openat resumed>)       = 3
[pid  1996] write(1, "executing program\n", 18 <unfinished ...>
[pid  1995] <... close resumed>)        = 0
[pid  1994] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1996] <... write resumed>)        = 18
[pid  1996] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  1995] write(1, "executing program\n", 18 <unfinished ...>
[pid  1996] <... futex resumed>)        = 0
[pid  1995] <... write resumed>)        = 18
[pid  1994] <... futex resumed>)        = 1
[pid  1993] <... futex resumed>)        = 0
executing program
[pid  1996] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1995] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1994] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1993] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1996] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1995] <... futex resumed>)        = 0
[pid  1994] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1993] <... futex resumed>)        = 0
[pid  1996] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1995] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  1994] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1993] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1994] <... write resumed>)        = 2
[pid  1996] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1995] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  1996] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1995] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  1996] <... mmap resumed>)         = 0x7fb4de009000
[pid  1995] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1994] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1996] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1995] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1996] <... mprotect resumed>)     = 0
[pid  1995] <... mmap resumed>)         = 0x7fb4de009000
[pid  1994] <... futex resumed>)        = 1
[pid  1993] <... futex resumed>)        = 0
[pid  1996] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1995] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  1994] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1993] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1996] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1995] <... mprotect resumed>)     = 0
[pid  1994] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1993] <... futex resumed>)        = 0
[pid  1996] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  1995] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1994] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1993] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 1997 attached
 <unfinished ...>
[pid  1995] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1994] <... openat resumed>)       = 4
[pid  1997] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1995] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 1998 attached
 <unfinished ...>
[pid  1996] <... clone3 resumed> => {parent_tid=[1997]}, 88) = 1997
[pid  1998] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1996] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1995] <... clone3 resumed> => {parent_tid=[1998]}, 88) = 1998
[pid  1998] <... set_robust_list resumed>) = 0
[pid  1996] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1995] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1998] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1996] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1995] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1997] <... set_robust_list resumed>) = 0
[pid  1994] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1998] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1997] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1996] <... futex resumed>)        = 0
[pid  1995] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1994] <... futex resumed>)        = 1
[pid  1993] <... futex resumed>)        = 0
[pid  1998] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1997] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1996] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1995] <... futex resumed>)        = 0
[pid  1994] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1993] exit_group(0 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  1998] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1997] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1995] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1994] <... futex resumed>)        = ?
[pid  1993] <... exit_group resumed>)   = ?
[pid  1998] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1995] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1998] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1995] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1998] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1995] <... futex resumed>)        = 0
[pid  1998] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1995] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1998] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1998] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1995] <... futex resumed>)        = 0
[pid  1998] <... futex resumed>)        = 1
[pid  1995] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1998] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1994] +++ exited with 0 +++
[pid  1993] +++ exited with 0 +++
[pid  1998] <... openat resumed>)       = 3
[pid  1997] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1995] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1993, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1998] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1997] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1995] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1998] <... futex resumed>)        = 0
[pid  1997] <... futex resumed>)        = 1
[pid  1996] <... futex resumed>)        = 0
[pid  1995] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1998] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1997] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  1996] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1995] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  1998] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1997] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  1996] <... futex resumed>)        = 0
[pid  1995] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  1998] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1997] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1996] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1995] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1998] <... write resumed>)        = 2
[pid  1996] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1998] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1996] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1998] <... futex resumed>)        = 1
[pid  1996] <... futex resumed>)        = 0
[pid  1995] <... futex resumed>)        = 0
[pid  1998] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1996] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1995] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 1999 attached
 <unfinished ...>
[pid  1998] <... openat resumed>)       = 4
[pid  1997] <... futex resumed>)        = 0
[pid  1995] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 1999
[pid  1999] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  1997] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1995] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1999] <... set_robust_list resumed>) = 0
[pid  1998] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1997] <... openat resumed>)       = 3
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1999] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1998] <... futex resumed>)        = 1
[pid  1997] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1995] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1999] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1998] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1997] <... futex resumed>)        = 1
[pid  1996] <... futex resumed>)        = 0
[pid  1995] exit_group(0 <unfinished ...>
[pid  1999] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1998] <... futex resumed>)        = ?
[pid  1997] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1996] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1995] <... exit_group resumed>)   = ?
[pid  1997] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1996] <... futex resumed>)        = 0
[pid  1997] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1996] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  1997] <... write resumed>)        = 2
[pid  1999] <... prctl resumed>)        = 0
[pid  1998] +++ exited with 0 +++
[pid  1997] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1995] +++ exited with 0 +++
[pid  1999] setpgid(0, 0 <unfinished ...>
[pid  1997] <... futex resumed>)        = 1
[pid  1996] <... futex resumed>)        = 0
[pid  1999] <... setpgid resumed>)      = 0
[pid  1997] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1996] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1995, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  1999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  1997] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1996] <... futex resumed>)        = 0
[pid  1999] <... openat resumed>)       = 3
[pid  1997] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1996] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  1999] write(3, "1000", 4)         = 4
[pid  1997] <... openat resumed>)       = 4
[pid   315] <... restart_syscall resumed>) = 0
[pid  1999] close(3)                    = 0
[pid  1999] write(1, "executing program\n", 18 <unfinished ...>
[pid  1997] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1999] <... write resumed>)        = 18
[pid  1999] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  1999] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  1999] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
executing program
[pid  1997] <... futex resumed>)        = 1
[pid  1996] <... futex resumed>)        = 0
[pid  1999] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  1999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  1996] exit_group(0 <unfinished ...>
[pid  1999] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  1996] <... exit_group resumed>)   = ?
[pid  1999] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  1999] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  1999] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2000 attached
 <unfinished ...>
[pid  2000] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  1999] <... clone3 resumed> => {parent_tid=[2000]}, 88) = 2000
[pid  2000] <... set_robust_list resumed>) = 0
[pid  1999] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2000] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  1999] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2000] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2000] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  1999] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1997] +++ exited with 0 +++
[pid  1996] +++ exited with 0 +++
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2000] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  1999] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1996, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2000] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1999] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2000] <... futex resumed>)        = 0
[pid  1999] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2000] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1999] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2000] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1999] <... futex resumed>)        = 0
[pid  2000] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  1999] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2000] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1999] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2001 attached
[pid  1999] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2000] <... futex resumed>)        = 1
[pid  1999] <... futex resumed>)        = 0
[pid  2000] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  1999] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2000] <... openat resumed>)       = 3
[pid  2000] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  1999] <... futex resumed>)        = 0
[pid  2000] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  1999] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2000] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  1999] <... futex resumed>)        = 0
[pid  2000] write(3, "\x38\x00", 2 <unfinished ...>
[pid  1999] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2000] <... write resumed>)        = 2
[pid  2000] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1999] <... futex resumed>)        = 0
[pid  2000] <... futex resumed>)        = 1
[pid  1999] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2000] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  1999] <... futex resumed>)        = 0
[pid  2000] <... openat resumed>)       = 4
[pid  1999] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2000] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  1999] <... futex resumed>)        = 0
[pid  2000] <... futex resumed>)        = 1
[pid  1999] exit_group(0 <unfinished ...>
[pid  2000] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid  1999] <... exit_group resumed>)   = ?
[pid  2000] +++ exited with 0 +++
[pid  2001] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2001
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2001] <... set_robust_list resumed>) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2001] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2001] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  1999] +++ exited with 0 +++
[pid  2001] <... prctl resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  2001] setpgid(0, 0)               = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1999, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2001] <... openat resumed>)       = 3
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2001] write(3, "1000", 4)         = 4
[pid  2001] close(3 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2002
[pid   312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2002 attached
[pid  2001] <... close resumed>)        = 0
[pid  2002] set_robust_list(0x55557716c6a0, 24) = 0
[pid  2001] write(1, "executing program\n", 18) = 18
[pid  2002] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2001] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2002] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2001] <... futex resumed>)        = 0
executing program
[pid  2002] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2001] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2002] <... prctl resumed>)        = 0
[pid  2001] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2002] setpgid(0, 0 <unfinished ...>
[pid  2001] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2002] <... setpgid resumed>)      = 0
[pid  2002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2001] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2001] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2002] <... openat resumed>)       = 3
[pid  2001] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2002] write(3, "1000", 4 <unfinished ...>
[pid  2001] <... mprotect resumed>)     = 0
[pid  2002] <... write resumed>)        = 4
[pid   314] <... restart_syscall resumed>) = 0
[pid  2002] close(3)                    = 0
[pid  2001] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2002] write(1, "executing program\n", 18) = 18
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2002] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
executing program
[pid  2002] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2002] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2001] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2003 attached
[pid  2001] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2002] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2002] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2003] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2001] <... clone3 resumed> => {parent_tid=[2004]}, 88) = 2004
[pid  2001] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2004 attached
 <unfinished ...>
[pid  2002] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2003
[pid  2004] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2003] <... set_robust_list resumed>) = 0
[pid  2002] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2001] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2004] <... set_robust_list resumed>) = 0
[pid  2003] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2002] <... mmap resumed>)         = 0x7fb4de009000
[pid  2001] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2004] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2003] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2002] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2001] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2004] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2002] <... mprotect resumed>)     = 0
[pid  2004] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2003] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2002] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2001] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2004] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2003] <... prctl resumed>)        = 0
[pid  2002] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2004] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2002] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2005 attached
 <unfinished ...>
[pid  2004] <... futex resumed>)        = 1
[pid  2005] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2004] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2002] <... clone3 resumed> => {parent_tid=[2005]}, 88) = 2005
ci2-android-6-12-rust/strace-static-x86_64: Process 2006 attached
[pid  2005] <... set_robust_list resumed>) = 0
[pid  2002] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2005] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2002] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2005] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2002] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2005] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2003] setpgid(0, 0 <unfinished ...>
[pid  2002] <... futex resumed>)        = 0
[pid  2001] <... futex resumed>)        = 0
[pid  2005] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2002] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2006] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2005] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2003] <... setpgid resumed>)      = 0
[pid  2002] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2001] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2006] <... set_robust_list resumed>) = 0
[pid  2005] <... futex resumed>)        = 0
[pid  2002] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2006] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2005] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2002] <... futex resumed>)        = 0
[pid  2001] <... futex resumed>)        = 1
[pid  2003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2006] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2005] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2004] <... futex resumed>)        = 0
[pid  2002] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2006
[pid  2006] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2005] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2004] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2001] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2006] <... prctl resumed>)        = 0
[pid  2005] <... futex resumed>)        = 1
[pid  2004] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2003] <... openat resumed>)       = 3
[pid  2002] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2006] setpgid(0, 0 <unfinished ...>
[pid  2005] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2004] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2003] write(3, "1000", 4 <unfinished ...>
[pid  2002] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2006] <... setpgid resumed>)      = 0
[pid  2005] <... openat resumed>)       = 3
[pid  2004] <... futex resumed>)        = 1
[pid  2003] <... write resumed>)        = 4
[pid  2002] <... futex resumed>)        = 0
[pid  2001] <... futex resumed>)        = 0
[pid  2006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2005] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2003] close(3 <unfinished ...>
[pid  2001] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2004] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2002] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2006] <... openat resumed>)       = 3
[pid  2005] <... futex resumed>)        = 0
[pid  2004] <... openat resumed>)       = 3
[pid  2003] <... close resumed>)        = 0
[pid  2001] <... futex resumed>)        = 0
[pid  2006] write(3, "1000", 4 <unfinished ...>
[pid  2005] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2004] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2002] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2006] <... write resumed>)        = 4
[pid  2003] write(1, "executing program\n", 18 <unfinished ...>
[pid  2001] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2006] close(3 <unfinished ...>
[pid  2003] <... write resumed>)        = 18
[pid  2004] <... futex resumed>)        = 0
[pid  2002] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2001] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2006] <... close resumed>)        = 0
[pid  2004] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2003] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2005] <... futex resumed>)        = 0
[pid  2002] <... futex resumed>)        = 1
[pid  2001] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2006] write(1, "executing program\n", 18 <unfinished ...>
[pid  2005] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2004] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2003] <... futex resumed>)        = 0
[pid  2002] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2001] <... futex resumed>)        = 0
[pid  2006] <... write resumed>)        = 18
[pid  2005] <... write resumed>)        = 2
[pid  2004] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2003] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2001] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2006] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2005] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2004] <... write resumed>)        = 2
[pid  2003] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2006] <... futex resumed>)        = 0
[pid  2005] <... futex resumed>)        = 1
[pid  2004] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2003] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2002] <... futex resumed>)        = 0
[pid  2006] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2005] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2004] <... futex resumed>)        = 1
[pid  2003] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2002] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2001] <... futex resumed>)        = 0
[pid  2006] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2005] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2004] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2003] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2002] <... futex resumed>)        = 0
[pid  2001] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2006] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2005] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2004] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2006] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2003] <... mmap resumed>)         = 0x7fb4de009000
[pid  2002] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2001] <... futex resumed>)        = 0
executing program
executing program
[pid  2006] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2005] <... openat resumed>)       = 4
[pid  2004] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2003] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2001] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2006] <... mmap resumed>)         = 0x7fb4de009000
[pid  2005] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2002] <... futex resumed>)        = 0
[pid  2005] <... futex resumed>)        = 1
[pid  2002] exit_group(0 <unfinished ...>
[pid  2005] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid  2002] <... exit_group resumed>)   = ?
[pid  2006] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2005] +++ exited with 0 +++
[pid  2004] <... openat resumed>)       = 4
[pid  2003] <... mprotect resumed>)     = 0
[pid  2002] +++ exited with 0 +++
[pid  2006] <... mprotect resumed>)     = 0
[pid  2003] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2002, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2006] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2004] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2003] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2006] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2004] <... futex resumed>)        = 1
[pid  2001] <... futex resumed>)        = 0
[pid  2003] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2006] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2001] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 2007 attached
)               = ?
[pid  2007] set_robust_list(0x7fb4de0299a0, 24ci2-android-6-12-rust/strace-static-x86_64: Process 2008 attached
 <unfinished ...>
[pid  2008] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2008] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2008] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2006] <... clone3 resumed> => {parent_tid=[2008]}, 88) = 2008
[pid  2006] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2004] +++ exited with 0 +++
[pid  2003] <... clone3 resumed> => {parent_tid=[2007]}, 88) = 2007
[pid  2007] <... set_robust_list resumed>) = 0
[pid  2001] +++ exited with 0 +++
[pid  2006] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2006] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2008] <... futex resumed>)        = 0
[pid  2007] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2006] <... futex resumed>)        = 1
[pid  2003] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2001, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2008] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2007] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2006] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2003] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2008] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2007] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2003] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2007] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2003] <... futex resumed>)        = 0
[pid  2008] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2006] <... futex resumed>)        = 0
[pid  2008] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2006] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2003] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2008] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2007] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2006] <... futex resumed>)        = 0
[pid  2008] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2006] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2008] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2007] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2008] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2007] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2008] <... futex resumed>)        = 1
[pid  2006] <... futex resumed>)        = 0
[pid  2006] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2008] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  2006] <... futex resumed>)        = 0
[pid  2008] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2006] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2008] <... futex resumed>)        = 0
[pid  2007] <... futex resumed>)        = 1
[pid  2006] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2003] <... futex resumed>)        = 0
[pid  2008] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2007] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2006] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2008] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2007] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2006] <... futex resumed>)        = 0
[pid  2003] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2008] write(3, "\x38\x00", 2)     = 2
[pid  2007] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2006] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2003] <... futex resumed>)        = 0
[pid  2008] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2006] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2008] <... futex resumed>)        = 0
[pid  2007] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2006] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2003] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2008] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2006] <... futex resumed>)        = 0
[pid  2007] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2008] <... openat resumed>)       = 4
[pid  2007] <... futex resumed>)        = 1
[pid  2006] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2003] <... futex resumed>)        = 0
[pid  2007] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2008] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2006] <... futex resumed>)        = 0
[pid  2008] <... futex resumed>)        = 1
[pid  2007] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2006] exit_group(0 <unfinished ...>
[pid  2003] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2008] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2007] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2003] <... futex resumed>)        = 0
[pid  2008] <... futex resumed>)        = ?
[pid  2006] <... exit_group resumed>)   = ?
[pid  2003] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2008] +++ exited with 0 +++
[pid  2007] <... openat resumed>)       = 3
[pid  2006] +++ exited with 0 +++
[pid  2007] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2003] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2006, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2007] <... futex resumed>)        = 1
[pid  2003] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2007] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2003] <... futex resumed>)        = 0
[pid  2007] <... write resumed>)        = 2
[pid  2003] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2007] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2003] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2007] <... futex resumed>)        = 0
[pid  2003] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2007] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2003] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2003] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2007] <... openat resumed>)       = 4
[pid  2007] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2009 attached
 <unfinished ...>
[pid  2003] <... futex resumed>)        = 0
[pid  2007] <... futex resumed>)        = 1
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2009
[pid  2003] exit_group(0 <unfinished ...>
[pid  2009] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2007] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2009] <... set_robust_list resumed>) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2007] <... futex resumed>)        = ?
[pid  2003] <... exit_group resumed>)   = ?
[pid  2009] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2009] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2007] +++ exited with 0 +++
[pid   312] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2010 attached
 <unfinished ...>
[pid  2009] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2003] +++ exited with 0 +++
[pid  2010] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2009] <... prctl resumed>)        = 0
[pid  2010] <... set_robust_list resumed>) = 0
[pid  2009] setpgid(0, 0 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2003, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2010] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2010
[pid  2009] <... setpgid resumed>)      = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2010] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2010] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2009] <... openat resumed>)       = 3
[pid  2010] <... prctl resumed>)        = 0
[pid  2010] setpgid(0, 0)               = 0
[pid  2009] write(3, "1000", 4 <unfinished ...>
[pid  2010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2009] <... write resumed>)        = 4
[pid  2010] <... openat resumed>)       = 3
[pid  2009] close(3 <unfinished ...>
[pid  2010] write(3, "1000", 4 <unfinished ...>
[pid  2009] <... close resumed>)        = 0
[pid  2009] write(1, "executing program\n", 18 <unfinished ...>
[pid  2010] <... write resumed>)        = 4
[pid  2009] <... write resumed>)        = 18
executing program
[pid  2010] close(3)                    = 0
[pid  2010] write(1, "executing program\n", 18) = 18
executing program
[pid  2010] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2009] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2010] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2010] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2009] <... futex resumed>)        = 0
[pid  2010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2009] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2010] <... mmap resumed>)         = 0x7fb4de009000
[pid  2009] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2010] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2009] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2010] <... mprotect resumed>)     = 0
[pid  2009] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2009] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2009] <... mprotect resumed>)     = 0
[pid  2009] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2010] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2010] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2011 attached
, [], 8) = 0
[pid  2011] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2009] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2011] <... set_robust_list resumed>) = 0
[pid  2010] <... clone3 resumed> => {parent_tid=[2011]}, 88) = 2011
[pid  2009] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2012 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2013 attached
 <unfinished ...>
[pid  2011] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2010] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2012] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2011] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2009] <... clone3 resumed> => {parent_tid=[2012]}, 88) = 2012
[pid  2013] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2012] <... set_robust_list resumed>) = 0
[pid  2009] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2013] <... set_robust_list resumed>) = 0
[pid  2012] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2009] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2012] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2009] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2011] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2010] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2009] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2013
[pid  2012] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2010] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2009] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2011] <... futex resumed>)        = 0
[pid  2010] <... futex resumed>)        = 1
[pid  2011] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2010] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2011] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2013] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2012] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2011] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2013] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2012] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2011] <... futex resumed>)        = 1
[pid  2010] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2012] <... futex resumed>)        = 1
[pid  2011] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2010] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2009] <... futex resumed>)        = 0
[pid  2013] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2012] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2011] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2010] <... futex resumed>)        = 0
[pid  2009] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2013] <... prctl resumed>)        = 0
[pid  2012] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2011] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2010] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2009] <... futex resumed>)        = 0
[pid  2011] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2009] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2011] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2012] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2011] <... futex resumed>)        = 1
[pid  2010] <... futex resumed>)        = 0
[pid  2013] setpgid(0, 0 <unfinished ...>
[pid  2012] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2011] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2010] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2013] <... setpgid resumed>)      = 0
[pid  2012] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2011] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2010] <... futex resumed>)        = 0
[pid  2011] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2010] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2014 attached
 <unfinished ...>
[pid  2013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2011] <... openat resumed>)       = 3
[pid  2009] <... futex resumed>)        = 0
[pid  2012] <... futex resumed>)        = 1
[pid  2014] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2012] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2009] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2014] <... set_robust_list resumed>) = 0
[pid  2011] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2014] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2011] <... futex resumed>)        = 1
[pid  2010] <... futex resumed>)        = 0
[pid  2014] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2013] <... openat resumed>)       = 3
[pid  2012] <... openat resumed>)       = 3
[pid  2011] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2010] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2009] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2014] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2013] write(3, "1000", 4 <unfinished ...>
[pid  2012] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2011] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2010] <... futex resumed>)        = 0
[pid  2009] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2014
[pid  2014] <... prctl resumed>)        = 0
[pid  2012] <... futex resumed>)        = 0
[pid  2011] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2010] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2009] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2014] setpgid(0, 0 <unfinished ...>
[pid  2013] <... write resumed>)        = 4
[pid  2012] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2011] <... write resumed>)        = 2
[pid  2009] <... futex resumed>)        = 0
[pid  2014] <... setpgid resumed>)      = 0
[pid  2013] close(3 <unfinished ...>
[pid  2012] <... write resumed>)        = 2
[pid  2011] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2009] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2013] <... close resumed>)        = 0
[pid  2012] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2011] <... futex resumed>)        = 1
[pid  2010] <... futex resumed>)        = 0
[pid  2009] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2014] <... openat resumed>)       = 3
[pid  2013] write(1, "executing program\n", 18 <unfinished ...>
[pid  2012] <... futex resumed>)        = 0
[pid  2011] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
executing program
[pid  2010] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2009] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2014] write(3, "1000", 4 <unfinished ...>
[pid  2013] <... write resumed>)        = 18
[pid  2012] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2011] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2010] <... futex resumed>)        = 0
[pid  2014] <... write resumed>)        = 4
[pid  2011] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2010] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2014] close(3 <unfinished ...>
[pid  2011] <... openat resumed>)       = 4
[pid  2009] <... futex resumed>)        = 0
[pid  2014] <... close resumed>)        = 0
[pid  2013] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2012] <... openat resumed>)       = 4
[pid  2009] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2013] <... futex resumed>)        = 0
[pid  2012] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2013] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2012] <... futex resumed>)        = 0
[pid  2009] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2013] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2012] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2014] write(1, "executing program\n", 18 <unfinished ...>
[pid  2011] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2014] <... write resumed>)        = 18
[pid  2011] <... futex resumed>)        = 1
[pid  2010] <... futex resumed>)        = 0
executing program
[pid  2014] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2013] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2011] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2010] exit_group(0 <unfinished ...>
[pid  2009] exit_group(0 <unfinished ...>
[pid  2014] <... futex resumed>)        = 0
[pid  2011] <... futex resumed>)        = ?
[pid  2010] <... exit_group resumed>)   = ?
[pid  2014] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2013] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2012] <... futex resumed>)        = ?
[pid  2011] +++ exited with 0 +++
[pid  2010] +++ exited with 0 +++
[pid  2009] <... exit_group resumed>)   = ?
[pid  2014] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2013] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2014] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2014] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2014] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2014] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2014] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2012] +++ exited with 0 +++
[pid  2009] +++ exited with 0 +++
[pid  2013] <... mmap resumed>)         = 0x7fb4de009000
[pid  2013] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2010, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2009, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2013] <... mprotect resumed>)     = 0
[pid  2013] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2014] <... clone3 resumed> => {parent_tid=[2015]}, 88) = 2015
[pid  2014] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2014] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2014] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2015 attached
 <unfinished ...>
[pid  2015] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2015] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2015] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2013] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2015] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2013] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2015] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2016 attached
) = 1
[pid  2014] <... futex resumed>)        = 0
[pid  2016] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2015] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2014] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2013] <... clone3 resumed> => {parent_tid=[2016]}, 88) = 2016
[pid  2016] <... set_robust_list resumed>) = 0
[pid  2015] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2014] <... futex resumed>)        = 0
[pid  2013] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2016] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2015] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2014] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2016] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2015] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2013] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2016] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2013] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2016] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2013] <... futex resumed>)        = 0
[pid  2015] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2016] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2015] <... futex resumed>)        = 1
[pid  2016] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2014] <... futex resumed>)        = 0
[pid  2013] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2016] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2015] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2014] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2013] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2016] <... futex resumed>)        = 0
[pid  2015] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2014] <... futex resumed>)        = 0
[pid  2016] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2015] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2014] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2013] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2015] <... openat resumed>)       = 3
[pid  2015] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2016] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2013] <... futex resumed>)        = 0
[pid  2016] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2013] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2016] <... futex resumed>)        = 0
[pid  2013] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2016] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2013] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2016] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2013] <... futex resumed>)        = 0
[pid  2016] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2015] <... futex resumed>)        = 1
[pid  2014] <... futex resumed>)        = 0
[pid  2013] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2016] <... openat resumed>)       = 3
[pid  2015] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2014] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2016] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2015] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2014] <... futex resumed>)        = 0
[pid  2016] <... futex resumed>)        = 1
[pid  2015] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2014] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2013] <... futex resumed>)        = 0
[pid  2016] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2015] <... write resumed>)        = 2
[pid  2013] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2016] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2015] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2013] <... futex resumed>)        = 0
[pid  2016] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2015] <... futex resumed>)        = 1
[pid  2014] <... futex resumed>)        = 0
[pid  2013] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2016] <... write resumed>)        = 2
[pid  2015] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2014] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2016] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2015] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2014] <... futex resumed>)        = 0
[pid  2016] <... futex resumed>)        = 1
[pid  2015] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2014] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2013] <... futex resumed>)        = 0
[pid  2016] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2015] <... openat resumed>)       = 4
[pid  2013] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2015] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2016] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2015] <... futex resumed>)        = 1
[pid  2014] <... futex resumed>)        = 0
[pid  2013] <... futex resumed>)        = 0
[pid  2016] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2015] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2014] exit_group(0 <unfinished ...>
[pid  2013] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2015] <... futex resumed>)        = ?
[pid  2014] <... exit_group resumed>)   = ?
[pid  2016] <... openat resumed>)       = 4
[pid  2015] +++ exited with 0 +++
[pid  2014] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2014, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2016] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2013] <... futex resumed>)        = 0
[pid  2016] <... futex resumed>)        = 1
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  2016] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2013] exit_group(0 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2013] <... exit_group resumed>)   = ?
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2016] <... futex resumed>)        = ?
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2018 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2017 attached
 <unfinished ...>
[pid  2017] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2017] <... set_robust_list resumed>) = 0
[pid  2018] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2017] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2018] <... set_robust_list resumed>) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2017
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2017] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2018] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2017] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2018] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2018] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2017] <... prctl resumed>)        = 0
[pid  2017] setpgid(0, 0 <unfinished ...>
[pid  2018] <... prctl resumed>)        = 0
[pid  2017] <... setpgid resumed>)      = 0
[pid  2017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2018] setpgid(0, 0)               = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2019 attached
[pid  2017] <... openat resumed>)       = 3
[pid  2018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2016] +++ exited with 0 +++
[pid  2013] +++ exited with 0 +++
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2018
[pid  2019] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2019
[pid  2019] <... set_robust_list resumed>) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2019] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2017] write(3, "1000", 4 <unfinished ...>
[pid  2018] <... openat resumed>)       = 3
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2019] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2017] <... write resumed>)        = 4
[pid  2018] write(3, "1000", 4 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2013, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2017] close(3 <unfinished ...>
[pid  2018] <... write resumed>)        = 4
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2017] <... close resumed>)        = 0
[pid  2018] close(3 <unfinished ...>
[pid  2019] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2017] write(1, "executing program\n", 18 <unfinished ...>
[pid  2018] <... close resumed>)        = 0
[pid  2017] <... write resumed>)        = 18
executing program
[pid  2017] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2018] write(1, "executing program\n", 18 <unfinished ...>
[pid  2017] <... futex resumed>)        = 0
[pid  2018] <... write resumed>)        = 18
[pid  2019] <... prctl resumed>)        = 0
executing program
[pid  2019] setpgid(0, 0 <unfinished ...>
[pid  2017] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2018] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2019] <... setpgid resumed>)      = 0
[pid  2017] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2017] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2018] <... futex resumed>)        = 0
[pid  2017] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2018] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2017] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2018] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2019] <... openat resumed>)       = 3
[pid  2017] <... mmap resumed>)         = 0x7fb4de009000
[pid  2018] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2017] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2018] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2017] <... mprotect resumed>)     = 0
[pid  2018] <... mmap resumed>)         = 0x7fb4de009000
[pid  2019] write(3, "1000", 4 <unfinished ...>
[pid  2018] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2017] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2018] <... mprotect resumed>)     = 0
[pid  2019] <... write resumed>)        = 4
[pid  2017] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2018] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2019] close(3 <unfinished ...>
[pid  2017] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2019] <... close resumed>)        = 0
[pid  2018] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2020 attached
[pid  2019] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  2020] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2019] <... write resumed>)        = 18
[pid  2017] <... clone3 resumed> => {parent_tid=[2020]}, 88) = 2020
[pid  2018] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2021 attached
 <unfinished ...>
[pid  2020] <... set_robust_list resumed>) = 0
[pid  2019] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2017] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2021] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2020] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2019] <... futex resumed>)        = 0
[pid  2017] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2021] <... set_robust_list resumed>) = 0
[pid  2020] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2019] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2017] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2018] <... clone3 resumed> => {parent_tid=[2021]}, 88) = 2021
[pid  2017] <... futex resumed>)        = 0
[pid  2018] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2020] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2019] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2021] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2017] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2018] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2020] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2021] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2019] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2018] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2018] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2022 attached
 <unfinished ...>
[pid  2020] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2022] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2021] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2019] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2022] <... set_robust_list resumed>) = 0
[pid  2019] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2022
[pid  2021] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2020] <... futex resumed>)        = 1
[pid  2019] <... mmap resumed>)         = 0x7fb4de009000
[pid  2017] <... futex resumed>)        = 0
[pid  2022] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2021] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2020] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2017] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2022] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2021] <... futex resumed>)        = 1
[pid  2020] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2019] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2017] <... futex resumed>)        = 0
[pid  2018] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2022] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2021] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2020] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2019] <... mprotect resumed>)     = 0
[pid  2017] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2018] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2021] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2022] <... prctl resumed>)        = 0
[pid  2020] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2019] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2018] <... futex resumed>)        = 0
[pid  2022] setpgid(0, 0 <unfinished ...>
[pid  2021] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2020] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2018] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2022] <... setpgid resumed>)      = 0
[pid  2020] <... futex resumed>)        = 1
[pid  2019] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2017] <... futex resumed>)        = 0
[pid  2022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2020] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2017] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2020] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2017] <... futex resumed>)        = 0
[pid  2020] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2017] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2020] <... openat resumed>)       = 3
[pid  2020] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2017] <... futex resumed>)        = 0
[pid  2020] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2017] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2020] <... write resumed>)        = 2
[pid  2017] <... futex resumed>)        = 0
[pid  2020] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2017] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2020] <... futex resumed>)        = 0
[pid  2017] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2020] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2017] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2020] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2017] <... futex resumed>)        = 0
[pid  2020] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2017] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2021] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2019] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2022] <... openat resumed>)       = 3
[pid  2020] <... openat resumed>)       = 4
[pid  2020] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2021] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2022] write(3, "1000", 4ci2-android-6-12-rust/strace-static-x86_64: Process 2023 attached
 <unfinished ...>
[pid  2021] <... futex resumed>)        = 1
[pid  2020] <... futex resumed>)        = 1
[pid  2017] <... futex resumed>)        = 0
[pid  2018] <... futex resumed>)        = 0
[pid  2022] <... write resumed>)        = 4
[pid  2019] <... clone3 resumed> => {parent_tid=[2023]}, 88) = 2023
[pid  2023] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2021] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2020] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2017] exit_group(0 <unfinished ...>
[pid  2018] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2023] <... set_robust_list resumed>) = 0
[pid  2022] close(3 <unfinished ...>
[pid  2021] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2020] <... futex resumed>)        = ?
[pid  2019] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2017] <... exit_group resumed>)   = ?
[pid  2018] <... futex resumed>)        = 0
[pid  2023] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2022] <... close resumed>)        = 0
[pid  2021] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2020] +++ exited with 0 +++
[pid  2019] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2017] +++ exited with 0 +++
[pid  2018] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2023] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2021] <... openat resumed>)       = 3
[pid  2019] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2017, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2021] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2019] <... futex resumed>)        = 0
[pid  2023] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2022] write(1, "executing program\n", 18 <unfinished ...>
[pid  2021] <... futex resumed>)        = 1
[pid  2019] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2018] <... futex resumed>)        = 0
executing program
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2023] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2022] <... write resumed>)        = 18
[pid  2021] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2018] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2023] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2021] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2018] <... futex resumed>)        = 0
[pid  2023] <... futex resumed>)        = 1
[pid  2022] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2021] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2019] <... futex resumed>)        = 0
[pid  2018] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2023] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2021] <... write resumed>)        = 2
[pid  2019] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2023] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2023] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2019] <... futex resumed>)        = 0
[pid  2022] <... futex resumed>)        = 0
[pid  2019] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2022] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2021] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2022] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2021] <... futex resumed>)        = 1
[pid  2022] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2023] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2022] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2021] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2018] <... futex resumed>)        = 0
[pid  2023] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2022] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2018] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2023] <... futex resumed>)        = 1
[pid  2019] <... futex resumed>)        = 0
[pid  2018] <... futex resumed>)        = 1
[pid  2023] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2022] <... mmap resumed>)         = 0x7fb4de009000
[pid  2021] <... futex resumed>)        = 0
[pid  2019] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2018] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2023] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2022] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2021] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2019] <... futex resumed>)        = 0
[pid  2023] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  2019] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2023] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2022] <... mprotect resumed>)     = 0
[pid  2019] <... futex resumed>)        = 0
[pid  2023] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2019] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2021] <... openat resumed>)       = 4
[pid  2019] <... futex resumed>)        = 0
[pid  2023] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2021] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2019] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2023] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2022] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2023] <... write resumed>)        = 2
[pid  2023] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2019] <... futex resumed>)        = 0
[pid  2023] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2022] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2021] <... futex resumed>)        = 1
[pid  2018] <... futex resumed>)        = 0
[pid  2023] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2022] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2021] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2019] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2018] exit_group(0 <unfinished ...>
[pid  2023] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2021] <... futex resumed>)        = ?
[pid  2019] <... futex resumed>)        = 0
[pid  2018] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 2024 attached
[pid  2023] <... openat resumed>)       = 4
[pid  2021] +++ exited with 0 +++
[pid  2019] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2018] +++ exited with 0 +++
[pid  2024] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2023] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2018, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2024] <... set_robust_list resumed>) = 0
[pid  2024] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2023] <... futex resumed>)        = 1
[pid  2024] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2023] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2022] <... clone3 resumed> => {parent_tid=[2024]}, 88) = 2024
[pid  2019] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2024] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2022] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2019] exit_group(0 <unfinished ...>
[pid  2023] <... futex resumed>)        = ?
[pid  2019] <... exit_group resumed>)   = ?
[pid  2022] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2022] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2024] <... futex resumed>)        = 0
[pid  2022] <... futex resumed>)        = 1
[pid  2024] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2022] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2024] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2024] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2024] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2023] +++ exited with 0 +++
[pid  2022] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2019] +++ exited with 0 +++
[pid  2022] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2024] <... futex resumed>)        = 0
[pid  2024] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2022] <... futex resumed>)        = 1
[pid  2024] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2022] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2019, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2024] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2022] <... futex resumed>)        = 0
[pid  2024] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2022] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2024] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2022] <... futex resumed>)        = 0
[pid  2024] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2022] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2024] <... openat resumed>)       = 3
[pid   313] <... restart_syscall resumed>) = 0
[pid  2024] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2024] <... futex resumed>)        = 1
[pid  2022] <... futex resumed>)        = 0
[pid  2024] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2022] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2024] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2022] <... futex resumed>)        = 0
[pid  2024] write(3, "\x38\x00", 2)     = 2
[pid  2022] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2024] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2022] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2024] <... futex resumed>)        = 0
[pid  2022] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2024] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2022] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2022] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2024] <... openat resumed>)       = 4
[pid  2024] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2022] <... futex resumed>)        = 0
[pid  2022] exit_group(0)               = ?
[pid  2024] <... futex resumed>)        = ?
[pid  2024] +++ exited with 0 +++
[pid  2022] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 2025 attached
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2025
[pid  2025] set_robust_list(0x55557716c6a0, 24) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2022, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2025] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2025] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  2025] <... prctl resumed>)        = 0
[pid  2025] setpgid(0, 0)               = 0
[pid  2025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2025] <... openat resumed>)       = 3
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2025] write(3, "1000", 4)         = 4
[pid  2025] close(3)                    = 0
[pid  2025] write(1, "executing program\n", 18) = 18
[pid  2025] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2025] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2025] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2025] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2025] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2025] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2027 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2026 attached
executing program
[pid  2025] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2027] set_robust_list(0x55557716c6a0, 24ci2-android-6-12-rust/strace-static-x86_64: Process 2028 attached
 <unfinished ...>
[pid  2028] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2027] <... set_robust_list resumed>) = 0
[pid  2025] <... clone3 resumed> => {parent_tid=[2028]}, 88) = 2028
[pid  2028] <... set_robust_list resumed>) = 0
[pid  2027] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2026] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2025] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2027
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2026
[pid  2026] <... set_robust_list resumed>) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2026] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2026] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2028] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2027] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2025] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2028] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2027] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2026] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2025] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2028] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2027] <... prctl resumed>)        = 0
[pid  2025] <... futex resumed>)        = 0
[pid  2028] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2027] setpgid(0, 0 <unfinished ...>
[pid  2025] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2028] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2027] <... setpgid resumed>)      = 0
[pid  2025] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2028] <... futex resumed>)        = 0
[pid  2027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2025] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2028] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2027] <... openat resumed>)       = 3
[pid  2026] <... prctl resumed>)        = 0
[pid  2025] <... futex resumed>)        = 0
[pid  2028] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2026] setpgid(0, 0 <unfinished ...>
[pid  2025] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2028] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2027] write(3, "1000", 4 <unfinished ...>
[pid  2026] <... setpgid resumed>)      = 0
[pid  2028] <... futex resumed>)        = 1
[pid  2027] <... write resumed>)        = 4
[pid  2025] <... futex resumed>)        = 0
[pid  2028] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2027] close(3 <unfinished ...>
[pid  2025] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2028] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2027] <... close resumed>)        = 0
[pid  2026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2025] <... futex resumed>)        = 0
[pid  2028] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2027] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  2025] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2028] <... openat resumed>)       = 3
[pid  2027] <... write resumed>)        = 18
[pid  2026] <... openat resumed>)       = 3
[pid  2028] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2027] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2026] write(3, "1000", 4 <unfinished ...>
[pid  2028] <... futex resumed>)        = 1
[pid  2027] <... futex resumed>)        = 0
[pid  2026] <... write resumed>)        = 4
[pid  2025] <... futex resumed>)        = 0
[pid  2028] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2027] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2025] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2028] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2027] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2026] close(3 <unfinished ...>
[pid  2025] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  2028] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2027] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2026] <... close resumed>)        = 0
[pid  2025] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2028] <... write resumed>)        = 2
[pid  2027] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2026] write(1, "executing program\n", 18 <unfinished ...>
[pid  2028] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  2027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2026] <... write resumed>)        = 18
[pid  2028] <... futex resumed>)        = 1
[pid  2027] <... mmap resumed>)         = 0x7fb4de009000
[pid  2025] <... futex resumed>)        = 0
[pid  2028] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2026] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2026] <... futex resumed>)        = 0
[pid  2028] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2027] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2025] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2028] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2027] <... mprotect resumed>)     = 0
[pid  2026] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2025] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2028] <... openat resumed>)       = 4
[pid  2027] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2026] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2025] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2028] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2027] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2026] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2028] <... futex resumed>)        = 1
[pid  2027] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2026] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2025] <... futex resumed>)        = 0
[pid  2026] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 2029 attached
 <unfinished ...>
[pid  2028] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2026] <... mmap resumed>)         = 0x7fb4de009000
[pid  2025] exit_group(0 <unfinished ...>
[pid  2028] <... futex resumed>)        = ?
[pid  2028] +++ exited with 0 +++
[pid  2027] <... clone3 resumed> => {parent_tid=[2029]}, 88) = 2029
[pid  2025] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 2030 attached
[pid  2029] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2027] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2026] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2025] +++ exited with 0 +++
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2030
[pid  2029] <... set_robust_list resumed>) = 0
[pid  2029] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2026] <... mprotect resumed>)     = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2025, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2030] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2029] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2027] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2026] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2030] <... set_robust_list resumed>) = 0
[pid  2029] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2027] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2026] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2030] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2027] <... futex resumed>)        = 0
[pid  2030] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2029] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2027] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2026] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2030] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2029] mkdirat(AT_FDCWD, "./tracefs_dir", 0777ci2-android-6-12-rust/strace-static-x86_64: Process 2031 attached
 <unfinished ...>
[pid  2030] <... prctl resumed>)        = 0
[pid  2029] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2026] <... clone3 resumed> => {parent_tid=[2031]}, 88) = 2031
[pid   313] <... restart_syscall resumed>) = 0
[pid  2031] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2029] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2026] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2029] <... futex resumed>)        = 1
[pid  2031] <... set_robust_list resumed>) = 0
[pid  2026] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2029] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2031] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2026] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2031] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2026] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2031] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2031] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2031] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2030] setpgid(0, 0 <unfinished ...>
[pid  2027] <... futex resumed>)        = 0
[pid  2030] <... setpgid resumed>)      = 0
[pid  2027] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2032 attached
 <unfinished ...>
[pid  2031] <... futex resumed>)        = 1
[pid  2030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2029] <... futex resumed>)        = 0
[pid  2027] <... futex resumed>)        = 1
[pid  2026] <... futex resumed>)        = 0
[pid  2032] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2031] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2030] <... openat resumed>)       = 3
[pid  2029] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2027] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2026] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2032
[pid  2032] <... set_robust_list resumed>) = 0
[pid  2031] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2030] write(3, "1000", 4 <unfinished ...>
[pid  2026] <... futex resumed>)        = 0
[pid  2031] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2030] <... write resumed>)        = 4
[pid  2029] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2026] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2032] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2031] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2030] close(3 <unfinished ...>
[pid  2029] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2032] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2031] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2030] <... close resumed>)        = 0
[pid  2029] <... futex resumed>)        = 1
[pid  2027] <... futex resumed>)        = 0
[pid  2031] <... futex resumed>)        = 1
[pid  2030] write(1, "executing program\n", 18 <unfinished ...>
[pid  2027] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2026] <... futex resumed>)        = 0
[pid  2031] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2030] <... write resumed>)        = 18
executing program
[pid  2029] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2027] <... futex resumed>)        = 0
[pid  2026] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2032] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2031] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2030] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2029] <... openat resumed>)       = 3
[pid  2027] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2026] <... futex resumed>)        = 0
[pid  2032] <... prctl resumed>)        = 0
[pid  2031] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2030] <... futex resumed>)        = 0
[pid  2029] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2027] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2032] setpgid(0, 0 <unfinished ...>
[pid  2031] <... openat resumed>)       = 3
[pid  2030] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2029] <... futex resumed>)        = 0
[pid  2027] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2026] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2032] <... setpgid resumed>)      = 0
[pid  2031] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2030] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2029] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2027] <... futex resumed>)        = 0
[pid  2032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2030] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2027] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2026] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2029] <... write resumed>)        = 2
[pid  2031] <... futex resumed>)        = 0
[pid  2032] <... openat resumed>)       = 3
[pid  2031] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2030] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2030] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2029] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2026] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2032] write(3, "1000", 4 <unfinished ...>
[pid  2031] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2030] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2029] <... futex resumed>)        = 1
[pid  2027] <... futex resumed>)        = 0
[pid  2026] <... futex resumed>)        = 0
[pid  2032] <... write resumed>)        = 4
[pid  2031] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2029] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2027] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2026] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2032] close(3 <unfinished ...>
[pid  2031] <... write resumed>)        = 2
[pid  2030] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2029] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2027] <... futex resumed>)        = 0
[pid  2032] <... close resumed>)        = 0
[pid  2031] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2030] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2029] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2027] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2033 attached
 <unfinished ...>
[pid  2032] write(1, "executing program\n", 18 <unfinished ...>
[pid  2031] <... futex resumed>)        = 1
[pid  2026] <... futex resumed>)        = 0
[pid  2033] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2030] <... clone3 resumed> => {parent_tid=[2033]}, 88) = 2033
[pid  2029] <... openat resumed>)       = 4
[pid  2033] <... set_robust_list resumed>) = 0
[pid  2030] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2033] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2030] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2033] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2030] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2033] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
executing program
[pid  2030] <... futex resumed>)        = 0
[pid  2026] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2032] <... write resumed>)        = 18
[pid  2031] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2029] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2026] <... futex resumed>)        = 0
[pid  2033] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2030] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2033] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2032] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2031] <... openat resumed>)       = 4
[pid  2030] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2029] <... futex resumed>)        = 1
[pid  2027] <... futex resumed>)        = 0
[pid  2026] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2033] <... futex resumed>)        = 0
[pid  2032] <... futex resumed>)        = 0
[pid  2031] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2030] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2029] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2027] exit_group(0 <unfinished ...>
[pid  2026] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2033] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2032] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2031] <... futex resumed>)        = 0
[pid  2030] <... futex resumed>)        = 0
[pid  2027] <... exit_group resumed>)   = ?
[pid  2033] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2032] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2031] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2030] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2029] <... futex resumed>)        = ?
[pid  2026] exit_group(0 <unfinished ...>
[pid  2032] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2033] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2030] <... futex resumed>)        = 0
[pid  2033] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2030] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2033] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2030] <... futex resumed>)        = 0
[pid  2033] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2030] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2033] <... openat resumed>)       = 3
[pid  2033] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2030] <... futex resumed>)        = 0
[pid  2033] <... futex resumed>)        = 1
[pid  2030] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2033] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2030] <... futex resumed>)        = 0
[pid  2033] <... write resumed>)        = 2
[pid  2032] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2031] <... futex resumed>)        = ?
[pid  2030] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2029] +++ exited with 0 +++
[pid  2027] +++ exited with 0 +++
[pid  2026] <... exit_group resumed>)   = ?
[pid  2032] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2031] +++ exited with 0 +++
[pid  2033] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2030] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2033] <... futex resumed>)        = 0
[pid  2030] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2033] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2030] <... futex resumed>)        = 0
[pid  2033] <... openat resumed>)       = 4
[pid  2030] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2033] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2030] <... futex resumed>)        = 0
[pid  2033] <... futex resumed>)        = 1
[pid  2030] exit_group(0 <unfinished ...>
[pid  2026] +++ exited with 0 +++
[pid  2033] +++ exited with 0 +++
[pid  2032] <... mmap resumed>)         = 0x7fb4de009000
[pid  2030] <... exit_group resumed>)   = ?
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2027, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2032] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2030] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2030, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2026, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2032] <... mprotect resumed>)     = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2032] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2032] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2032] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2034 attached
 <unfinished ...>
[pid  2034] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2034
ci2-android-6-12-rust/strace-static-x86_64: Process 2035 attached
[pid  2034] <... set_robust_list resumed>) = 0
[pid  2032] <... clone3 resumed> => {parent_tid=[2035]}, 88) = 2035
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2035] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2034] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2032] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2035] <... set_robust_list resumed>) = 0
[pid  2034] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2032] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2035] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2034] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2032] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2035] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2032] <... futex resumed>)        = 0
[pid  2035] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2034] <... prctl resumed>)        = 0
[pid  2032] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2034] setpgid(0, 0 <unfinished ...>
[pid  2035] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2034] <... setpgid resumed>)      = 0
[pid  2035] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2032] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2035] <... futex resumed>)        = 0
[pid  2032] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2035] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2032] <... futex resumed>)        = 0
[pid  2035] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2034] <... openat resumed>)       = 3
[pid   315] <... restart_syscall resumed>) = 0
[pid  2032] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2034] write(3, "1000", 4 <unfinished ...>
[pid  2035] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2034] <... write resumed>)        = 4
[pid   312] <... restart_syscall resumed>) = 0
[pid  2035] <... futex resumed>)        = 1
[pid  2034] close(3 <unfinished ...>
[pid  2035] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2034] <... close resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2032] <... futex resumed>)        = 0
[pid  2034] write(1, "executing program\n", 18 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2034] <... write resumed>)        = 18
executing program
[pid  2032] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2035] <... futex resumed>)        = 0
[pid  2034] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2032] <... futex resumed>)        = 1
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2036 attached
 <unfinished ...>
[pid  2032] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2035] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2034] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2036] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2035] <... openat resumed>)       = 3
[pid  2034] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2035] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2034] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2036
[pid  2035] <... futex resumed>)        = 1
[pid  2034] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2032] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2035] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2034] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2037 attached
[pid  2036] <... set_robust_list resumed>) = 0
[pid  2034] <... mmap resumed>)         = 0x7fb4de009000
[pid  2037] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2034] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2032] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2037] <... set_robust_list resumed>) = 0
[pid  2036] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2035] <... futex resumed>)        = 0
[pid  2034] <... mprotect resumed>)     = 0
[pid  2032] <... futex resumed>)        = 1
[pid  2037] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2036] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2035] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2034] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2032] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2037
[pid  2037] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2035] <... write resumed>)        = 2
[pid  2034] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2037] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2036] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2035] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2034] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2038 attached
 <unfinished ...>
[pid  2037] <... prctl resumed>)        = 0
[pid  2036] <... prctl resumed>)        = 0
[pid  2035] <... futex resumed>)        = 1
[pid  2032] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2037] setpgid(0, 0 <unfinished ...>
[pid  2036] setpgid(0, 0 <unfinished ...>
[pid  2035] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2032] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2038] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2036] <... setpgid resumed>)      = 0
[pid  2032] <... futex resumed>)        = 0
[pid  2037] <... setpgid resumed>)      = 0
[pid  2038] <... set_robust_list resumed>) = 0
[pid  2035] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2032] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2038] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2035] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2034] <... clone3 resumed> => {parent_tid=[2038]}, 88) = 2038
[pid  2038] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2037] <... openat resumed>)       = 3
[pid  2035] <... openat resumed>)       = 4
[pid  2034] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2038] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2036] <... openat resumed>)       = 3
[pid  2034] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2035] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2034] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2037] write(3, "1000", 4 <unfinished ...>
[pid  2035] <... futex resumed>)        = 1
[pid  2034] <... futex resumed>)        = 1
[pid  2037] <... write resumed>)        = 4
[pid  2035] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2036] write(3, "1000", 4 <unfinished ...>
[pid  2034] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2038] <... futex resumed>)        = 0
[pid  2032] <... futex resumed>)        = 0
[pid  2037] close(3 <unfinished ...>
[pid  2036] <... write resumed>)        = 4
[pid  2037] <... close resumed>)        = 0
[pid  2032] exit_group(0 <unfinished ...>
[pid  2038] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
executing program
[pid  2037] write(1, "executing program\n", 18 <unfinished ...>
[pid  2036] close(3 <unfinished ...>
[pid  2032] <... exit_group resumed>)   = ?
[pid  2037] <... write resumed>)        = 18
[pid  2035] <... futex resumed>)        = ?
[pid  2038] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2037] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2036] <... close resumed>)        = 0
[pid  2035] +++ exited with 0 +++
[pid  2037] <... futex resumed>)        = 0
[pid  2037] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2037] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2037] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2037] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2037] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2032] +++ exited with 0 +++
[pid  2038] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2036] write(1, "executing program\n", 18 <unfinished ...>
[pid  2038] <... futex resumed>)        = 1
[pid  2037] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2036] <... write resumed>)        = 18
[pid  2034] <... futex resumed>)        = 0
executing program
[pid  2037] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2034] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2039 attached
[pid  2034] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2032, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2038] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2039] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2037] <... clone3 resumed> => {parent_tid=[2039]}, 88) = 2039
[pid  2036] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2039] <... set_robust_list resumed>) = 0
[pid  2037] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2039] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2038] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2037] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2036] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2039] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2038] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2037] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2036] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2039] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2037] <... futex resumed>)        = 0
[pid  2036] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2039] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2038] <... futex resumed>)        = 1
[pid  2037] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2036] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2034] <... futex resumed>)        = 0
[pid  2039] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2038] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2036] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2034] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2039] <... futex resumed>)        = 1
[pid  2038] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2037] <... futex resumed>)        = 0
[pid  2036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2034] <... futex resumed>)        = 0
[pid  2039] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2037] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2034] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2038] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2036] <... mmap resumed>)         = 0x7fb4de009000
[pid  2039] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2038] <... openat resumed>)       = 3
[pid  2037] <... futex resumed>)        = 0
[pid  2036] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2039] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2037] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2039] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2038] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2036] <... mprotect resumed>)     = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  2034] <... futex resumed>)        = 0
[pid  2039] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2036] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2034] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2038] <... futex resumed>)        = 1
[pid  2039] <... futex resumed>)        = 1
[pid  2038] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2037] <... futex resumed>)        = 0
[pid  2036] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2034] <... futex resumed>)        = 0
[pid  2039] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2038] <... write resumed>)        = 2
[pid  2037] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2036] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2034] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2039] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2038] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2037] <... futex resumed>)        = 0
[pid  2034] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2038] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2036] <... clone3 resumed> => {parent_tid=[2040]}, 88) = 2040
[pid  2038] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2036] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2036] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2040 attached
 <unfinished ...>
[pid  2039] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2037] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2034] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2040] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2039] <... openat resumed>)       = 3
[pid  2034] <... futex resumed>)        = 1
[pid  2040] <... set_robust_list resumed>) = 0
[pid  2039] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2034] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2041 attached
 <unfinished ...>
[pid  2040] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2039] <... futex resumed>)        = 1
[pid  2037] <... futex resumed>)        = 0
[pid  2041] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2040] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2039] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2038] <... futex resumed>)        = 0
[pid  2037] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2036] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2041] <... set_robust_list resumed>) = 0
[pid  2040] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2039] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2038] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2037] <... futex resumed>)        = 0
[pid  2036] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2041
[pid  2041] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2040] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2039] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2037] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2041] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2040] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2039] <... write resumed>)        = 2
[pid  2038] <... openat resumed>)       = 4
[pid  2036] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2041] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2040] <... futex resumed>)        = 0
[pid  2039] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2038] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2036] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2038] <... futex resumed>)        = 1
[pid  2036] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2034] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2036] <... futex resumed>)        = 0
[pid  2041] <... prctl resumed>)        = 0
[pid  2040] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2039] <... futex resumed>)        = 1
[pid  2037] <... futex resumed>)        = 0
[pid  2036] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2034] exit_group(0 <unfinished ...>
[pid  2041] setpgid(0, 0 <unfinished ...>
[pid  2040] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2039] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2038] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2037] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2041] <... setpgid resumed>)      = 0
[pid  2040] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2039] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2038] +++ exited with 0 +++
[pid  2037] <... futex resumed>)        = 0
[pid  2034] <... exit_group resumed>)   = ?
[pid  2041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2040] <... futex resumed>)        = 1
[pid  2039] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2037] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2036] <... futex resumed>)        = 0
[pid  2041] <... openat resumed>)       = 3
[pid  2040] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2039] <... openat resumed>)       = 4
[pid  2041] write(3, "1000", 4)         = 4
[pid  2039] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2041] close(3 <unfinished ...>
[pid  2039] <... futex resumed>)        = 1
[pid  2037] <... futex resumed>)        = 0
[pid  2034] +++ exited with 0 +++
[pid  2036] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2041] <... close resumed>)        = 0
[pid  2040] <... futex resumed>)        = 0
[pid  2039] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2037] exit_group(0 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2034, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2041] write(1, "executing program\n", 18 <unfinished ...>
[pid  2040] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2039] <... futex resumed>)        = ?
[pid  2037] <... exit_group resumed>)   = ?
executing program
[pid  2036] <... futex resumed>)        = 1
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2041] <... write resumed>)        = 18
[pid  2040] <... openat resumed>)       = 3
[pid  2039] +++ exited with 0 +++
[pid  2037] +++ exited with 0 +++
[pid  2036] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2041] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2040] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2041] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2037, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2041] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2041] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2040] <... futex resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2040] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2036] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2041] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2036] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2041] <... mmap resumed>)         = 0x7fb4de009000
[pid  2041] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2040] <... futex resumed>)        = 0
[pid  2036] <... futex resumed>)        = 1
[pid  2041] <... mprotect resumed>)     = 0
[pid  2040] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2036] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2040] <... write resumed>)        = 2
[pid  2041] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2040] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2041] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2040] <... futex resumed>)        = 1
[pid  2036] <... futex resumed>)        = 0
[pid  2040] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2041] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2036] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2040] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2036] <... futex resumed>)        = 0
[pid  2040] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLYci2-android-6-12-rust/strace-static-x86_64: Process 2042 attached
 <unfinished ...>
[pid  2041] <... clone3 resumed> => {parent_tid=[2042]}, 88) = 2042
[pid  2040] <... openat resumed>)       = 4
[pid  2036] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2040] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2036] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2040] <... futex resumed>)        = 0
[pid  2042] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2036] exit_group(0 <unfinished ...>
[pid  2040] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid  2042] <... set_robust_list resumed>) = 0
[pid  2041] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2042] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2041] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2042] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2041] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2042] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2041] <... futex resumed>)        = 0
[pid  2040] +++ exited with 0 +++
[pid  2036] <... exit_group resumed>)   = ?
[pid  2041] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2042] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2042] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2041] <... futex resumed>)        = 0
[pid  2042] <... futex resumed>)        = 1
[pid  2041] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2042] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2041] <... futex resumed>)        = 0
[pid  2042] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2041] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2042] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2041] <... futex resumed>)        = 0
[pid  2041] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2042] <... futex resumed>)        = 1
[pid  2041] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2042] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  2042] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2036] +++ exited with 0 +++
[pid  2041] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2042] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2041] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2036, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2042] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2041] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2042] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2041] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2042] <... write resumed>)        = 2
ci2-android-6-12-rust/strace-static-x86_64: Process 2043 attached
[pid  2042] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2042] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2041] <... futex resumed>)        = 0
[pid  2041] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2042] <... futex resumed>)        = 0
[pid  2042] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid  2041] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2043
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2042] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2042] <... futex resumed>)        = 1
[pid  2041] <... futex resumed>)        = 0
[pid  2042] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2041] exit_group(0 <unfinished ...>
[pid  2042] <... futex resumed>)        = ?
[pid  2041] <... exit_group resumed>)   = ?
[pid  2042] +++ exited with 0 +++
[pid  2043] set_robust_list(0x55557716c6a0, 24) = 0
[pid  2043] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2043] setpgid(0, 0)               = 0
[pid  2041] +++ exited with 0 +++
[pid  2043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2041, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2043] <... openat resumed>)       = 3
[pid   313] <... restart_syscall resumed>) = 0
[pid  2043] write(3, "1000", 4)         = 4
[pid  2043] close(3 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2043] <... close resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
executing program
[pid  2043] write(1, "executing program\n", 18) = 18
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2043] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2044 attached
 <unfinished ...>
[pid  2043] <... futex resumed>)        = 0
[pid  2044] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2043] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2044
[pid  2044] <... set_robust_list resumed>) = 0
[pid  2043] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2044] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2043] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2044] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  2043] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2045 attached
[pid  2044] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2045] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2044] <... prctl resumed>)        = 0
[pid  2043] <... mmap resumed>)         = 0x7fb4de009000
[pid  2045] <... set_robust_list resumed>) = 0
[pid  2044] setpgid(0, 0 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2045
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2045] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2044] <... setpgid resumed>)      = 0
[pid  2045] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2045] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2043] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2044] <... openat resumed>)       = 3
[pid  2043] <... mprotect resumed>)     = 0
[pid  2043] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2043] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2046 attached
 <unfinished ...>
[pid  2046] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2043] <... clone3 resumed> => {parent_tid=[2046]}, 88) = 2046
ci2-android-6-12-rust/strace-static-x86_64: Process 2047 attached
[pid  2046] <... set_robust_list resumed>) = 0
[pid  2044] write(3, "1000", 4 <unfinished ...>
[pid  2043] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2047] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2046] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2045] <... prctl resumed>)        = 0
[pid  2043] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2047] <... set_robust_list resumed>) = 0
[pid  2046] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2045] setpgid(0, 0 <unfinished ...>
[pid  2044] <... write resumed>)        = 4
[pid  2043] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2047
[pid  2047] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2046] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2045] <... setpgid resumed>)      = 0
executing program
[pid  2044] close(3 <unfinished ...>
[pid  2043] <... futex resumed>)        = 0
[pid  2047] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2046] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2044] <... close resumed>)        = 0
[pid  2043] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2047] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2044] write(1, "executing program\n", 18 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2045] <... openat resumed>)       = 3
[pid  2044] <... write resumed>)        = 18
[pid  2047] <... prctl resumed>)        = 0
[pid  2046] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2043] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2047] setpgid(0, 0 <unfinished ...>
[pid  2046] <... futex resumed>)        = 0
[pid  2043] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2047] <... setpgid resumed>)      = 0
[pid  2046] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2043] <... futex resumed>)        = 0
[pid  2047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2046] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2045] write(3, "1000", 4 <unfinished ...>
[pid  2044] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2043] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2047] <... openat resumed>)       = 3
[pid  2046] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2045] <... write resumed>)        = 4
[pid  2044] <... futex resumed>)        = 0
[pid  2043] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2047] write(3, "1000", 4 <unfinished ...>
[pid  2046] <... futex resumed>)        = 0
[pid  2045] close(3 <unfinished ...>
[pid  2044] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2043] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2047] <... write resumed>)        = 4
[pid  2046] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2045] <... close resumed>)        = 0
[pid  2044] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2043] <... futex resumed>)        = 0
[pid  2047] close(3 <unfinished ...>
[pid  2046] <... openat resumed>)       = 3
[pid  2045] write(1, "executing program\n", 18 <unfinished ...>
[pid  2044] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2043] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2047] <... close resumed>)        = 0
[pid  2046] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2044] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2043] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
executing program
executing program
[pid  2047] write(1, "executing program\n", 18 <unfinished ...>
[pid  2046] <... futex resumed>)        = 0
[pid  2045] <... write resumed>)        = 18
[pid  2044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2043] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2047] <... write resumed>)        = 18
[pid  2046] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2043] <... futex resumed>)        = 0
[pid  2047] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2046] <... write resumed>)        = 2
[pid  2045] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2044] <... mmap resumed>)         = 0x7fb4de009000
[pid  2043] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2047] <... futex resumed>)        = 0
[pid  2046] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2045] <... futex resumed>)        = 0
[pid  2044] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2047] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2046] <... futex resumed>)        = 1
[pid  2043] <... futex resumed>)        = 0
[pid  2047] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2046] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2045] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2044] <... mprotect resumed>)     = 0
[pid  2043] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2047] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2046] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2045] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2043] <... futex resumed>)        = 0
[pid  2047] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2046] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2043] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2046] <... openat resumed>)       = 4
[pid  2045] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2044] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2047] <... mmap resumed>)         = 0x7fb4de009000
[pid  2046] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2045] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2044] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2047] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2046] <... futex resumed>)        = 1
[pid  2045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2044] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2043] <... futex resumed>)        = 0
[pid  2047] <... mprotect resumed>)     = 0
[pid  2046] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2045] <... mmap resumed>)         = 0x7fb4de009000
[pid  2043] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 2048 attached
 <unfinished ...>
[pid  2047] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2046] <... futex resumed>)        = ?
[pid  2043] <... exit_group resumed>)   = ?
[pid  2048] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2047] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2046] +++ exited with 0 +++
[pid  2045] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITEci2-android-6-12-rust/strace-static-x86_64: Process 2049 attached
 <unfinished ...>
[pid  2048] <... set_robust_list resumed>) = 0
[pid  2045] <... mprotect resumed>)     = 0
[pid  2044] <... clone3 resumed> => {parent_tid=[2048]}, 88) = 2048
[pid  2043] +++ exited with 0 +++
[pid  2048] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2047] <... clone3 resumed> => {parent_tid=[2049]}, 88) = 2049
[pid  2045] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2044] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2049] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2048] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2045] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2044] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2043, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2049] <... set_robust_list resumed>) = 0
[pid  2048] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2045] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2044] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2049] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2048] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2047] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2044] <... futex resumed>)        = 0
[pid  2048] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2047] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2044] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2047] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2048] <... mkdirat resumed>)      = -1 EEXIST (File exists)
ci2-android-6-12-rust/strace-static-x86_64: Process 2050 attached
[pid  2049] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2048] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2049] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2050] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2048] <... futex resumed>)        = 1
[pid  2044] <... futex resumed>)        = 0
[pid  2050] <... set_robust_list resumed>) = 0
[pid  2048] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2045] <... clone3 resumed> => {parent_tid=[2050]}, 88) = 2050
[pid  2050] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2044] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2050] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2049] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2045] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2044] <... futex resumed>)        = 0
[pid  2050] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2049] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2048] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2045] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2044] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2049] <... futex resumed>)        = 1
[pid  2048] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2045] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2044] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2050] <... futex resumed>)        = 0
[pid  2049] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2048] <... futex resumed>)        = 0
[pid  2045] <... futex resumed>)        = 1
[pid  2044] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2050] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2048] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2044] <... futex resumed>)        = 0
[pid  2050] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2045] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2050] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2048] <... openat resumed>)       = 3
[pid  2044] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2050] <... futex resumed>)        = 0
[pid  2048] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2045] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2044] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2050] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2048] <... futex resumed>)        = 0
[pid  2045] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2044] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2050] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2048] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2045] <... futex resumed>)        = 0
[pid  2044] <... futex resumed>)        = 0
[pid  2050] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2048] <... write resumed>)        = 2
[pid  2045] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2044] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2050] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2048] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2047] <... futex resumed>)        = 0
[pid  2044] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2047] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2049] <... futex resumed>)        = 0
[pid  2047] <... futex resumed>)        = 1
[pid  2049] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2047] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2049] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2049] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2047] <... futex resumed>)        = 0
[pid  2049] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2047] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2049] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2047] <... futex resumed>)        = 0
[pid  2049] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2047] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2050] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2049] <... openat resumed>)       = 3
[pid  2048] <... futex resumed>)        = 0
[pid  2044] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2050] <... futex resumed>)        = 1
[pid  2049] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2045] <... futex resumed>)        = 0
[pid  2044] <... futex resumed>)        = 0
[pid  2050] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2049] <... futex resumed>)        = 1
[pid  2048] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2047] <... futex resumed>)        = 0
[pid  2045] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2050] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2049] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2047] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2050] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2049] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2048] <... openat resumed>)       = 4
[pid  2047] <... futex resumed>)        = 0
[pid  2045] <... futex resumed>)        = 0
[pid  2050] <... openat resumed>)       = 3
[pid  2049] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2048] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2047] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2045] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2044] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2050] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2049] <... write resumed>)        = 2
[pid  2048] <... futex resumed>)        = 0
[pid  2045] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2044] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2050] <... futex resumed>)        = 0
[pid  2049] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2048] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2045] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2050] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2049] <... futex resumed>)        = 1
[pid  2047] <... futex resumed>)        = 0
[pid  2044] exit_group(0 <unfinished ...>
[pid  2050] <... write resumed>)        = 2
[pid  2049] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2047] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2045] <... futex resumed>)        = 0
[pid  2050] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2049] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2047] <... futex resumed>)        = 0
[pid  2045] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2050] <... futex resumed>)        = 0
[pid  2049] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2048] <... futex resumed>)        = ?
[pid  2047] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2044] <... exit_group resumed>)   = ?
[pid  2050] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2049] <... openat resumed>)       = 4
[pid  2048] +++ exited with 0 +++
[pid  2045] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2049] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2047] <... futex resumed>)        = 0
[pid  2049] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2047] exit_group(0 <unfinished ...>
[pid  2049] <... futex resumed>)        = ?
[pid  2047] <... exit_group resumed>)   = ?
[pid  2049] +++ exited with 0 +++
[pid  2047] +++ exited with 0 +++
[pid  2045] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2044] +++ exited with 0 +++
[pid  2050] <... futex resumed>)        = 0
[pid  2045] <... futex resumed>)        = 1
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2047, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2050] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2045] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2044, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2050] <... openat resumed>)       = 4
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2050] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2045] <... futex resumed>)        = 0
[pid  2050] <... futex resumed>)        = 1
[pid  2045] exit_group(0 <unfinished ...>
[pid  2050] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2045] <... exit_group resumed>)   = ?
[pid  2050] +++ exited with 0 +++
[pid  2045] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2045, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2051 attached
 <unfinished ...>
[pid  2051] set_robust_list(0x55557716c6a0, 24) = 0
[pid  2051] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2051
[pid  2051] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2051] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2051] <... prctl resumed>)        = 0
[pid  2051] setpgid(0, 0)               = 0
[pid  2051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2051] write(3, "1000", 4)         = 4
[pid  2051] close(3)                    = 0
[pid  2051] write(1, "executing program\n", 18) = 18
executing program
[pid  2051] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2051] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2051] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2051] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2051] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2051] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2051] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2052 attached
 <unfinished ...>
[pid  2052] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2052] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2052] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2051] <... clone3 resumed> => {parent_tid=[2052]}, 88) = 2052
[pid   313] <... restart_syscall resumed>) = 0
[pid  2051] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2051] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2051] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2052] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  2052] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2052] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2052] <... futex resumed>)        = 1
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2051] <... futex resumed>)        = 0
[pid  2052] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2053 attached
 <unfinished ...>
[pid  2051] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2052] <... futex resumed>)        = 0
[pid  2051] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2053
ci2-android-6-12-rust/strace-static-x86_64: Process 2054 attached
[pid  2053] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2052] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2053] <... set_robust_list resumed>) = 0
[pid  2052] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2053] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2054] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2052] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2053] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2052] <... futex resumed>)        = 1
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2054
[pid  2054] <... set_robust_list resumed>) = 0
[pid  2053] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2052] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2051] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2053] <... prctl resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2054] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2053] setpgid(0, 0 <unfinished ...>
[pid  2051] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2054] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2053] <... setpgid resumed>)      = 0
[pid  2052] <... futex resumed>)        = 0
[pid  2051] <... futex resumed>)        = 1
[pid  2053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2052] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2051] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2054] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2052] <... openat resumed>)       = 3
[pid  2053] <... openat resumed>)       = 3
[pid  2052] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2054] <... prctl resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2052] <... futex resumed>)        = 1
[pid  2054] setpgid(0, 0 <unfinished ...>
[pid  2053] write(3, "1000", 4 <unfinished ...>
[pid  2052] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2051] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2054] <... setpgid resumed>)      = 0
[pid  2053] <... write resumed>)        = 4
[pid  2051] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2053] close(3)                    = 0
[pid  2053] write(1, "executing program\n", 18) = 18
[pid  2053] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2053] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2053] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2053] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2051] <... futex resumed>)        = 1
executing program
[pid  2054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-12-rust/strace-static-x86_64: Process 2055 attached
 <unfinished ...>
[pid  2053] <... mmap resumed>)         = 0x7fb4de009000
[pid  2052] <... futex resumed>)        = 0
[pid  2055] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2053] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2052] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2055] <... set_robust_list resumed>) = 0
[pid  2053] <... mprotect resumed>)     = 0
[pid  2052] <... write resumed>)        = 2
[pid  2055] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2054] <... openat resumed>)       = 3
[pid  2053] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2052] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2051] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2054] write(3, "1000", 4 <unfinished ...>
[pid  2051] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2055
[pid  2055] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2053] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2052] <... futex resumed>)        = 0
[pid  2055] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2054] <... write resumed>)        = 4
[pid  2053] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2052] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2051] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2056 attached
 <unfinished ...>
[pid  2055] <... prctl resumed>)        = 0
[pid  2054] close(3 <unfinished ...>
[pid  2052] <... openat resumed>)       = 4
[pid  2051] <... futex resumed>)        = 0
[pid  2056] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2055] setpgid(0, 0 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2054] <... close resumed>)        = 0
[pid  2056] <... set_robust_list resumed>) = 0
[pid  2054] write(1, "executing program\n", 18 <unfinished ...>
[pid  2051] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2056] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2054] <... write resumed>)        = 18
[pid  2055] <... setpgid resumed>)      = 0
executing program
[pid  2053] <... clone3 resumed> => {parent_tid=[2056]}, 88) = 2056
[pid  2052] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2051] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2054] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2056] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2053] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2052] <... futex resumed>)        = 0
[pid  2056] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2055] <... openat resumed>)       = 3
[pid  2054] <... futex resumed>)        = 0
[pid  2053] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2052] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2051] exit_group(0 <unfinished ...>
[pid  2053] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2056] <... futex resumed>)        = 0
[pid  2055] write(3, "1000", 4 <unfinished ...>
[pid  2054] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2053] <... futex resumed>)        = 1
[pid  2052] <... futex resumed>)        = ?
[pid  2051] <... exit_group resumed>)   = ?
[pid  2056] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2055] <... write resumed>)        = 4
[pid  2054] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2053] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2052] +++ exited with 0 +++
[pid  2056] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2055] close(3 <unfinished ...>
[pid  2054] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2056] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2054] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2056] <... futex resumed>)        = 1
[pid  2055] <... close resumed>)        = 0
[pid  2054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2053] <... futex resumed>)        = 0
[pid  2056] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2055] write(1, "executing program\n", 18 <unfinished ...>
[pid  2053] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2056] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2055] <... write resumed>)        = 18
[pid  2054] <... mmap resumed>)         = 0x7fb4de009000
[pid  2053] <... futex resumed>)        = 0
[pid  2055] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2054] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
executing program
[pid  2053] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2055] <... futex resumed>)        = 0
[pid  2054] <... mprotect resumed>)     = 0
[pid  2056] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2055] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2054] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2055] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2056] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2055] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2055] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2055] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2055] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2057 attached
 <unfinished ...>
[pid  2057] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2055] <... clone3 resumed> => {parent_tid=[2057]}, 88) = 2057
[pid  2057] <... set_robust_list resumed>) = 0
[pid  2056] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2055] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2054] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2051] +++ exited with 0 +++
[pid  2057] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2056] <... futex resumed>)        = 1
[pid  2055] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2054] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2053] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2051, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2057] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2056] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2055] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2053] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 2058 attached
 <unfinished ...>
[pid  2057] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2056] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2055] <... futex resumed>)        = 0
[pid  2053] <... futex resumed>)        = 0
[pid  2058] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2057] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2056] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2054] <... clone3 resumed> => {parent_tid=[2058]}, 88) = 2058
[pid  2057] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2056] <... openat resumed>)       = 3
[pid  2055] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2054] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2053] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2057] <... futex resumed>)        = 0
[pid  2055] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2057] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2055] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2057] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2055] <... futex resumed>)        = 0
[pid  2057] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2055] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2058] <... set_robust_list resumed>) = 0
[pid  2057] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2056] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2054] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2058] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2056] <... futex resumed>)        = 1
[pid  2054] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2053] <... futex resumed>)        = 0
[pid  2058] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2057] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2053] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2057] <... futex resumed>)        = 1
[pid  2056] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2055] <... futex resumed>)        = 0
[pid  2054] <... futex resumed>)        = 0
[pid  2053] <... futex resumed>)        = 0
[pid  2058] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2057] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2055] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2054] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2053] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2058] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2057] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2055] <... futex resumed>)        = 0
[pid  2058] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2057] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2056] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2055] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2058] <... futex resumed>)        = 1
[pid  2057] <... openat resumed>)       = 3
[pid  2056] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2054] <... futex resumed>)        = 0
[pid  2057] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2058] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2055] <... futex resumed>)        = 0
[pid  2054] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2057] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2056] <... write resumed>)        = 2
[pid  2055] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2057] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2056] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2058] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2055] <... futex resumed>)        = 0
[pid  2054] <... futex resumed>)        = 0
[pid  2058] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2057] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2056] <... futex resumed>)        = 1
[pid  2055] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2054] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2053] <... futex resumed>)        = 0
[pid  2058] <... futex resumed>)        = 0
[pid  2057] <... write resumed>)        = 2
[pid  2056] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2054] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2058] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2054] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2058] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2054] <... futex resumed>)        = 0
[pid  2058] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2057] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2053] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2057] <... futex resumed>)        = 1
[pid  2056] <... futex resumed>)        = 0
[pid  2055] <... futex resumed>)        = 0
[pid  2053] <... futex resumed>)        = 1
[pid  2058] <... openat resumed>)       = 3
[pid  2057] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2056] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2055] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2054] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2053] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2058] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2057] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2056] <... openat resumed>)       = 4
[pid  2055] <... futex resumed>)        = 0
[pid  2054] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2058] <... futex resumed>)        = 0
[pid  2057] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2056] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2055] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2054] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2058] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2057] <... openat resumed>)       = 4
[pid  2056] <... futex resumed>)        = 1
[pid  2054] <... futex resumed>)        = 0
[pid  2053] <... futex resumed>)        = 0
[pid  2058] <... write resumed>)        = 2
[pid  2057] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2054] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2056] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2053] exit_group(0 <unfinished ...>
[pid  2058] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2057] <... futex resumed>)        = 1
[pid  2055] <... futex resumed>)        = 0
[pid  2054] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2053] <... exit_group resumed>)   = ?
[pid  2058] <... futex resumed>)        = 0
[pid  2057] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2056] <... futex resumed>)        = ?
[pid  2055] exit_group(0 <unfinished ...>
[pid  2054] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2058] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2057] <... futex resumed>)        = ?
[pid  2055] <... exit_group resumed>)   = ?
[pid  2057] +++ exited with 0 +++
[pid  2056] +++ exited with 0 +++
[pid  2055] +++ exited with 0 +++
[pid  2054] <... futex resumed>)        = 0
[pid  2053] +++ exited with 0 +++
[pid  2054] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2058] <... openat resumed>)       = 4
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2055, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2053, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2058] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2058] <... futex resumed>)        = 1
[pid  2054] <... futex resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  2054] exit_group(0)               = ?
[pid  2058] +++ exited with 0 +++
[pid  2054] +++ exited with 0 +++
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2054, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2060 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2059 attached
 <unfinished ...>
[pid  2060] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2059
[pid  2060] <... set_robust_list resumed>) = 0
[pid  2059] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2060] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2059] <... set_robust_list resumed>) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2060
[pid  2059] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2060] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2059] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2059] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2060] setpgid(0, 0 <unfinished ...>
[pid  2059] <... prctl resumed>)        = 0
[pid  2060] <... setpgid resumed>)      = 0
[pid  2060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2059] setpgid(0, 0)               = 0
[pid  2060] <... openat resumed>)       = 3
[pid  2060] write(3, "1000", 4 <unfinished ...>
[pid  2059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2060] <... write resumed>)        = 4
[pid  2060] close(3 <unfinished ...>
[pid  2059] <... openat resumed>)       = 3
[pid  2060] <... close resumed>)        = 0
[pid  2059] write(3, "1000", 4 <unfinished ...>
executing program
[pid  2060] write(1, "executing program\n", 18 <unfinished ...>
[pid  2059] <... write resumed>)        = 4
[pid  2060] <... write resumed>)        = 18
[pid  2059] close(3 <unfinished ...>
[pid  2060] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2059] <... close resumed>)        = 0
[pid  2060] <... futex resumed>)        = 0
[pid  2059] write(1, "executing program\n", 18 <unfinished ...>
[pid  2060] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2059] <... write resumed>)        = 18
executing program
[pid  2060] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2060] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2059] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2060] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2059] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2060] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2059] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2060] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2059] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2061 attached
[pid  2059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2061] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2060] <... clone3 resumed> => {parent_tid=[2061]}, 88) = 2061
[pid  2061] <... set_robust_list resumed>) = 0
[pid  2060] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2059] <... mmap resumed>)         = 0x7fb4de009000
[pid  2061] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2059] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2061] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2060] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2061] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2060] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2059] <... mprotect resumed>)     = 0
[pid  2061] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2060] <... futex resumed>)        = 0
[pid  2061] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2060] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2059] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2061] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2061] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2060] <... futex resumed>)        = 0
[pid  2060] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2059] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2061] <... futex resumed>)        = 1
[pid  2060] <... futex resumed>)        = 0
[pid  2059] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2061] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2060] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2061] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   313] <... restart_syscall resumed>) = 0
[pid  2061] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2060] <... futex resumed>)        = 0
[pid  2061] <... futex resumed>)        = 1
[pid  2060] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2061] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2060] <... futex resumed>)        = 0
[pid  2061] <... openat resumed>)       = 3
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2062 attached
 <unfinished ...>
[pid  2061] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2060] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2062] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2061] <... futex resumed>)        = 0
[pid  2060] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2062] <... set_robust_list resumed>) = 0
[pid  2061] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2060] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2062] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2061] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2060] <... futex resumed>)        = 0
[pid  2062] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2061] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2060] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2062] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2061] <... write resumed>)        = 2
[pid  2061] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2060] <... futex resumed>)        = 0
[pid  2061] <... futex resumed>)        = 1
[pid  2060] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2061] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2060] <... futex resumed>)        = 0
[pid  2061] <... openat resumed>)       = 4
[pid  2060] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2059] <... clone3 resumed> => {parent_tid=[2062]}, 88) = 2062
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2059] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2059] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2061] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2060] <... futex resumed>)        = 0
[pid  2061] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2060] exit_group(0 <unfinished ...>
[pid  2061] <... futex resumed>)        = ?
[pid  2060] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 2063 attached
[pid  2061] +++ exited with 0 +++
[pid  2060] +++ exited with 0 +++
[pid  2059] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2059] <... futex resumed>)        = 1
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2063
[pid  2059] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2062] <... futex resumed>)        = 0
[pid  2062] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2060, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2062] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2062] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2062] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2063] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2059] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2059] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2064
[pid  2059] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 2064 attached
[pid  2063] <... set_robust_list resumed>) = 0
[pid  2062] <... futex resumed>)        = 0
[pid  2059] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2064] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2063] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2062] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2064] <... set_robust_list resumed>) = 0
[pid  2063] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2062] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2064] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2063] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2062] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2064] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2063] <... prctl resumed>)        = 0
[pid  2062] <... futex resumed>)        = 1
[pid  2059] <... futex resumed>)        = 0
[pid  2064] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2063] setpgid(0, 0 <unfinished ...>
[pid  2059] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2064] <... prctl resumed>)        = 0
[pid  2063] <... setpgid resumed>)      = 0
[pid  2062] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2059] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2064] setpgid(0, 0 <unfinished ...>
[pid  2063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2062] <... openat resumed>)       = 3
[pid  2064] <... setpgid resumed>)      = 0
[pid  2063] <... openat resumed>)       = 3
[pid  2062] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2062] <... futex resumed>)        = 1
[pid  2059] <... futex resumed>)        = 0
[pid  2062] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2059] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2064] <... openat resumed>)       = 3
[pid  2063] write(3, "1000", 4 <unfinished ...>
[pid  2062] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2059] <... futex resumed>)        = 0
[pid  2063] <... write resumed>)        = 4
[pid  2059] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2064] write(3, "1000", 4 <unfinished ...>
[pid  2063] close(3 <unfinished ...>
[pid  2062] write(3, "\x38\x00", 2 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2064] <... write resumed>)        = 4
[pid  2063] <... close resumed>)        = 0
[pid  2062] <... write resumed>)        = 2
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2064] close(3 <unfinished ...>
[pid  2063] write(1, "executing program\n", 18 <unfinished ...>
[pid  2062] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2064] <... close resumed>)        = 0
[pid  2063] <... write resumed>)        = 18
[pid  2062] <... futex resumed>)        = 1
[pid  2059] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2065 attached
[pid  2064] write(1, "executing program\n", 18 <unfinished ...>
[pid  2063] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2062] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2059] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2062] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2059] <... futex resumed>)        = 0
[pid  2065] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2064] <... write resumed>)        = 18
[pid  2062] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2065] <... set_robust_list resumed>) = 0
[pid  2059] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2065] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
executing program
[pid  2064] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2063] <... futex resumed>)        = 0
[pid  2062] <... openat resumed>)       = 4
[pid  2064] <... futex resumed>)        = 0
[pid  2063] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2065
[pid  2064] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2063] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2062] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2065] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2064] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2063] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2062] <... futex resumed>)        = 1
[pid  2059] <... futex resumed>)        = 0
[pid  2065] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2064] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2063] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2062] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2065] <... prctl resumed>)        = 0
[pid  2064] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2059] exit_group(0 <unfinished ...>
[pid  2065] setpgid(0, 0 <unfinished ...>
[pid  2064] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2063] <... mmap resumed>)         = 0x7fb4de009000
[pid  2062] <... futex resumed>)        = ?
[pid  2059] <... exit_group resumed>)   = ?
[pid  2065] <... setpgid resumed>)      = 0
[pid  2064] <... mmap resumed>)         = 0x7fb4de009000
[pid  2065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2064] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2063] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2062] +++ exited with 0 +++
[pid  2059] +++ exited with 0 +++
[pid  2065] <... openat resumed>)       = 3
[pid  2064] <... mprotect resumed>)     = 0
[pid  2063] <... mprotect resumed>)     = 0
[pid  2064] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2065] write(3, "1000", 4 <unfinished ...>
[pid  2063] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2059, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2064] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2065] <... write resumed>)        = 4
[pid  2064] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2063] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2065] close(3ci2-android-6-12-rust/strace-static-x86_64: Process 2066 attached
)                    = 0
[pid  2064] <... clone3 resumed> => {parent_tid=[2066]}, 88) = 2066
[pid  2063] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2066] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2065] write(1, "executing program\n", 18 <unfinished ...>
[pid  2064] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2066] <... set_robust_list resumed>) = 0
[pid  2064] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  2063] <... clone3 resumed> => {parent_tid=[2067]}, 88) = 2067
ci2-android-6-12-rust/strace-static-x86_64: Process 2067 attached
[pid  2066] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2065] <... write resumed>)        = 18
[pid  2064] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2063] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2066] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2065] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2064] <... futex resumed>)        = 0
[pid  2063] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2067] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2066] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2067] <... set_robust_list resumed>) = 0
[pid  2065] <... futex resumed>)        = 0
[pid  2064] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2063] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2067] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2065] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2067] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2066] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2065] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2063] <... futex resumed>)        = 0
[pid  2066] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2065] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2067] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2063] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2067] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2066] <... futex resumed>)        = 1
[pid  2065] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2064] <... futex resumed>)        = 0
[pid  2067] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2066] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2064] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2067] <... futex resumed>)        = 1
[pid  2066] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2064] <... futex resumed>)        = 0
[pid  2063] <... futex resumed>)        = 0
[pid  2067] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2065] <... mmap resumed>)         = 0x7fb4de009000
[pid  2064] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2063] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2067] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2065] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2067] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2066] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2065] <... mprotect resumed>)     = 0
[pid  2063] <... futex resumed>)        = 0
[pid  2067] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2066] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2063] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2067] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2066] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2065] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2063] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2067] <... futex resumed>)        = 0
[pid  2066] <... futex resumed>)        = 1
[pid  2065] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2064] <... futex resumed>)        = 0
[pid  2063] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2067] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2066] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2064] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2063] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2068 attached
[pid  2067] <... openat resumed>)       = 3
[pid  2066] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2064] <... futex resumed>)        = 0
[pid  2063] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2067] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2066] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2064] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2063] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2068] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2067] <... futex resumed>)        = 0
[pid  2066] <... openat resumed>)       = 3
[pid  2063] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2068] <... set_robust_list resumed>) = 0
[pid  2067] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2066] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2065] <... clone3 resumed> => {parent_tid=[2068]}, 88) = 2068
[pid  2063] <... futex resumed>)        = 0
[pid  2068] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2067] <... write resumed>)        = 2
[pid  2066] <... futex resumed>)        = 1
[pid  2065] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2064] <... futex resumed>)        = 0
[pid  2063] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2068] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2067] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2066] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2064] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2063] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2067] <... futex resumed>)        = 0
[pid  2066] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2065] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2064] <... futex resumed>)        = 0
[pid  2063] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2067] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2066] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2064] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2063] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2068] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2067] <... openat resumed>)       = 4
[pid  2068] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2066] <... write resumed>)        = 2
[pid  2065] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2063] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2067] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2066] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2063] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2068] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2067] <... futex resumed>)        = 0
[pid  2066] <... futex resumed>)        = 1
[pid  2065] <... futex resumed>)        = 0
[pid  2064] <... futex resumed>)        = 0
[pid  2063] exit_group(0 <unfinished ...>
[pid  2067] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2066] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2064] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2069 attached
 <unfinished ...>
[pid  2067] <... futex resumed>)        = ?
[pid  2066] <... openat resumed>)       = 4
[pid  2064] <... futex resumed>)        = 0
[pid  2063] <... exit_group resumed>)   = ?
[pid  2067] +++ exited with 0 +++
[pid  2064] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2069] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2068] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2065] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2063] +++ exited with 0 +++
[pid  2069] <... set_robust_list resumed>) = 0
[pid  2068] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2065] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2068] <... futex resumed>)        = 0
[pid  2065] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2068] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2065] <... futex resumed>)        = 0
[pid  2066] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2065] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2066] <... futex resumed>)        = 1
[pid  2064] <... futex resumed>)        = 0
[pid  2069] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2068] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2066] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2064] exit_group(0 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2063, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2069
[pid  2069] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2066] <... futex resumed>)        = ?
[pid  2064] <... exit_group resumed>)   = ?
[pid  2069] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2068] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2066] +++ exited with 0 +++
[pid  2064] +++ exited with 0 +++
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2069] <... prctl resumed>)        = 0
[pid  2069] setpgid(0, 0)               = 0
[pid  2069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2068] <... futex resumed>)        = 1
[pid  2065] <... futex resumed>)        = 0
[pid  2068] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2064, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2069] write(3, "1000", 4 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2069] <... write resumed>)        = 4
[pid  2065] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  2069] close(3)                    = 0
[pid  2068] <... futex resumed>)        = 0
[pid  2065] <... futex resumed>)        = 1
[pid  2068] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2069] write(1, "executing program\n", 18) = 18
[pid  2069] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2068] <... openat resumed>)       = 3
[pid  2065] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2069] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2068] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2065] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2068] <... futex resumed>)        = 0
[pid  2065] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2068] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2069] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2069] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2068] <... write resumed>)        = 2
[pid  2069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2068] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2069] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2068] <... futex resumed>)        = 0
[pid  2065] <... futex resumed>)        = 0
[pid  2069] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2068] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2065] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2069] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2065] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2069] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2065] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2069] <... clone3 resumed> => {parent_tid=[2070]}, 88) = 2070
ci2-android-6-12-rust/strace-static-x86_64: Process 2070 attached
[pid  2070] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2065] <... futex resumed>)        = 1
[pid  2068] <... futex resumed>)        = 0
[pid  2070] <... set_robust_list resumed>) = 0
[pid  2069] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2068] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2065] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2070] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2069] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2070] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2070] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2068] <... openat resumed>)       = 4
[pid  2069] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2068] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2070] <... futex resumed>)        = 0
[pid  2069] <... futex resumed>)        = 1
[pid  2070] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2068] <... futex resumed>)        = 1
[pid  2065] <... futex resumed>)        = 0
[pid  2069] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2070] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2065] exit_group(0 <unfinished ...>
[pid  2068] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2070] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2065] <... exit_group resumed>)   = ?
[pid  2068] <... futex resumed>)        = ?
[pid  2069] <... futex resumed>)        = 0
[pid  2070] <... futex resumed>)        = 1
[pid  2069] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2070] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2069] <... futex resumed>)        = 0
[pid  2070] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2069] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2070] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2069] <... futex resumed>)        = 0
[pid  2069] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2069] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2070] <... futex resumed>)        = 1
[pid  2070] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2068] +++ exited with 0 +++
[pid  2065] +++ exited with 0 +++
[pid  2070] <... openat resumed>)       = 3
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2065, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2070] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2070] <... futex resumed>)        = 1
[pid  2069] <... futex resumed>)        = 0
[pid  2070] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2069] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2070] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2069] <... futex resumed>)        = 0
[pid  2070] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2069] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2070] <... write resumed>)        = 2
[pid   315] <... restart_syscall resumed>) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  2070] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2069] <... futex resumed>)        = 0
[pid  2070] <... futex resumed>)        = 1
[pid  2069] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2070] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2069] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2070] <... openat resumed>)       = 4
[pid  2069] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2070] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2069] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2070] <... futex resumed>)        = 0
[pid  2069] exit_group(0 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2071 attached
 <unfinished ...>
[pid  2069] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 2072 attached
[pid  2071] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2070] +++ exited with 0 +++
[pid  2069] +++ exited with 0 +++
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2072
[pid  2072] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2071] <... set_robust_list resumed>) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2071
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2073
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2069, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2071] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2073 attached
 <unfinished ...>
[pid  2073] set_robust_list(0x55557716c6a0, 24) = 0
[pid  2073] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2072] <... set_robust_list resumed>) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2073] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2071] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2073] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2072] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2073] <... prctl resumed>)        = 0
[pid  2072] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2071] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2073] setpgid(0, 0)               = 0
[pid  2072] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2072] <... prctl resumed>)        = 0
[pid  2071] <... prctl resumed>)        = 0
[pid  2073] <... openat resumed>)       = 3
[pid  2072] setpgid(0, 0 <unfinished ...>
[pid  2071] setpgid(0, 0 <unfinished ...>
[pid  2073] write(3, "1000", 4 <unfinished ...>
[pid  2072] <... setpgid resumed>)      = 0
[pid  2071] <... setpgid resumed>)      = 0
[pid  2073] <... write resumed>)        = 4
[pid  2072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2073] close(3 <unfinished ...>
[pid  2071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2073] <... close resumed>)        = 0
[pid  2073] write(1, "executing program\n", 18 <unfinished ...>
[pid  2072] <... openat resumed>)       = 3
[pid  2071] <... openat resumed>)       = 3
[pid  2073] <... write resumed>)        = 18
[pid  2072] write(3, "1000", 4 <unfinished ...>
[pid  2071] write(3, "1000", 4 <unfinished ...>
executing program
[pid  2073] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2072] <... write resumed>)        = 4
[pid  2071] <... write resumed>)        = 4
[pid  2073] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2072] close(3 <unfinished ...>
[pid  2071] close(3 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2073] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2072] <... close resumed>)        = 0
[pid  2073] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2071] <... close resumed>)        = 0
[pid  2072] write(1, "executing program\n", 18 <unfinished ...>
[pid  2073] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2071] write(1, "executing program\n", 18 <unfinished ...>
[pid  2072] <... write resumed>)        = 18
[pid  2073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2071] <... write resumed>)        = 18
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2072] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2073] <... mmap resumed>)         = 0x7fb4de009000
[pid  2072] <... futex resumed>)        = 0
[pid  2071] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2073] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2072] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2071] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2073] <... mprotect resumed>)     = 0
[pid  2072] <... rt_sigaction resumed>, NULL, 8) = 0
executing program
executing program
[pid  2071] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2073] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2074 attached
 <unfinished ...>
[pid  2072] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2071] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2072] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2071] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2074
[pid  2072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2071] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2073] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2073] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 2075 attached
 <unfinished ...>
[pid  2072] <... mmap resumed>)         = 0x7fb4de009000
[pid  2075] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2074] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2073] <... clone3 resumed> => {parent_tid=[2075]}, 88) = 2075
[pid  2072] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2071] <... mmap resumed>)         = 0x7fb4de009000
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2075] <... set_robust_list resumed>) = 0
[pid  2073] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2075] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2074] <... set_robust_list resumed>) = 0
[pid  2073] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2072] <... mprotect resumed>)     = 0
[pid  2071] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2075] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2074] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2073] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2072] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2071] <... mprotect resumed>)     = 0
[pid  2074] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2073] <... futex resumed>)        = 0
[pid  2072] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2073] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2072] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2071] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2074] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2075] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2071] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2076 attached
[pid  2075] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2074] <... prctl resumed>)        = 0
[pid  2071] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2077 attached
 <unfinished ...>
[pid  2076] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2075] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2077] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2076] <... set_robust_list resumed>) = 0
[pid  2075] <... futex resumed>)        = 1
[pid  2071] <... clone3 resumed> => {parent_tid=[2077]}, 88) = 2077
[pid  2077] <... set_robust_list resumed>) = 0
[pid  2076] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2075] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2074] setpgid(0, 0 <unfinished ...>
[pid  2073] <... futex resumed>)        = 0
[pid  2072] <... clone3 resumed> => {parent_tid=[2076]}, 88) = 2076
[pid  2071] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2077] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2076] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2074] <... setpgid resumed>)      = 0
[pid  2073] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2072] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2071] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2077] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2076] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2075] <... futex resumed>)        = 0
[pid  2073] <... futex resumed>)        = 1
[pid  2071] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2077] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2075] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2073] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2072] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2071] <... futex resumed>)        = 0
[pid  2077] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2075] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2071] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2077] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2072] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2071] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2077] <... futex resumed>)        = 0
[pid  2076] <... futex resumed>)        = 0
[pid  2075] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2072] <... futex resumed>)        = 1
[pid  2071] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2077] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2076] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2075] <... futex resumed>)        = 1
[pid  2071] <... futex resumed>)        = 0
[pid  2077] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2076] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2075] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2071] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2076] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2077] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2076] <... futex resumed>)        = 0
[pid  2077] <... futex resumed>)        = 1
[pid  2076] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2071] <... futex resumed>)        = 0
[pid  2077] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2071] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2077] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2071] <... futex resumed>)        = 0
[pid  2077] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2071] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2077] <... openat resumed>)       = 3
[pid  2073] <... futex resumed>)        = 0
[pid  2072] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2073] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2074] <... openat resumed>)       = 3
[pid  2072] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2073] <... futex resumed>)        = 1
[pid  2074] write(3, "1000", 4 <unfinished ...>
[pid  2073] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2072] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2074] <... write resumed>)        = 4
[pid  2077] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2076] <... futex resumed>)        = 0
[pid  2075] <... futex resumed>)        = 0
[pid  2074] close(3 <unfinished ...>
[pid  2072] <... futex resumed>)        = 1
[pid  2077] <... futex resumed>)        = 1
[pid  2076] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2075] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2072] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2071] <... futex resumed>)        = 0
[pid  2074] <... close resumed>)        = 0
[pid  2077] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2076] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2075] <... openat resumed>)       = 3
[pid  2071] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2077] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2076] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2075] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2074] write(1, "executing program\n", 18 <unfinished ...>
[pid  2071] <... futex resumed>)        = 0
executing program
[pid  2077] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2076] <... futex resumed>)        = 1
[pid  2075] <... futex resumed>)        = 1
[pid  2074] <... write resumed>)        = 18
[pid  2073] <... futex resumed>)        = 0
[pid  2072] <... futex resumed>)        = 0
[pid  2071] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2077] <... write resumed>)        = 2
[pid  2076] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2075] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2074] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2073] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2072] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2077] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2076] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2075] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2074] <... futex resumed>)        = 0
[pid  2073] <... futex resumed>)        = 0
[pid  2072] <... futex resumed>)        = 0
[pid  2077] <... futex resumed>)        = 1
[pid  2076] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2075] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2074] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2073] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2072] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2071] <... futex resumed>)        = 0
[pid  2077] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2076] <... openat resumed>)       = 3
[pid  2075] <... write resumed>)        = 2
[pid  2074] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2071] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2077] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2076] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2075] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2071] <... futex resumed>)        = 0
[pid  2077] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2076] <... futex resumed>)        = 1
[pid  2075] <... futex resumed>)        = 1
[pid  2074] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2073] <... futex resumed>)        = 0
[pid  2072] <... futex resumed>)        = 0
[pid  2071] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2077] <... openat resumed>)       = 4
[pid  2076] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2075] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2074] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2073] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2072] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2073] <... futex resumed>)        = 0
[pid  2072] <... futex resumed>)        = 0
[pid  2073] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2072] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2077] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2076] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2075] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2074] <... mmap resumed>)         = 0x7fb4de009000
[pid  2077] <... futex resumed>)        = 1
[pid  2076] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2075] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2071] <... futex resumed>)        = 0
[pid  2077] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2076] <... write resumed>)        = 2
[pid  2075] <... openat resumed>)       = 4
[pid  2074] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2071] exit_group(0 <unfinished ...>
[pid  2077] <... futex resumed>)        = ?
[pid  2076] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2075] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2074] <... mprotect resumed>)     = 0
[pid  2071] <... exit_group resumed>)   = ?
[pid  2077] +++ exited with 0 +++
[pid  2076] <... futex resumed>)        = 1
[pid  2072] <... futex resumed>)        = 0
[pid  2076] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2075] <... futex resumed>)        = 1
[pid  2074] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2073] <... futex resumed>)        = 0
[pid  2071] +++ exited with 0 +++
[pid  2072] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2076] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2075] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2076] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2074] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2073] exit_group(0 <unfinished ...>
[pid  2072] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2071, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2076] <... openat resumed>)       = 4
[pid  2075] <... futex resumed>)        = ?
[pid  2074] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2073] <... exit_group resumed>)   = ?
[pid  2072] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2076] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2075] +++ exited with 0 +++
[pid  2076] <... futex resumed>)        = 0
[pid  2076] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2074] <... clone3 resumed> => {parent_tid=[2078]}, 88) = 2078
ci2-android-6-12-rust/strace-static-x86_64: Process 2078 attached
[pid  2072] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2074] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2072] exit_group(0 <unfinished ...>
[pid  2074] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2072] <... exit_group resumed>)   = ?
[pid  2078] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2076] <... futex resumed>)        = ?
[pid  2074] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2078] <... set_robust_list resumed>) = 0
[pid  2076] +++ exited with 0 +++
[pid  2073] +++ exited with 0 +++
[pid  2072] +++ exited with 0 +++
[pid  2078] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2074] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2072, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2073, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  2078] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2074] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2078] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  2078] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2078] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2074] <... futex resumed>)        = 0
[pid  2074] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2074] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2078] <... futex resumed>)        = 0
[pid  2078] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  2078] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2074] <... futex resumed>)        = 0
[pid  2078] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2074] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2078] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2074] <... futex resumed>)        = 0
[pid  2078] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2074] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2078] <... openat resumed>)       = 3
[pid  2078] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2074] <... futex resumed>)        = 0
[pid  2078] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2074] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2078] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2074] <... futex resumed>)        = 0
[pid  2078] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2074] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2078] <... write resumed>)        = 2
[pid  2078] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2078] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2074] <... futex resumed>)        = 0
[pid  2074] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2078] <... futex resumed>)        = 0
[pid  2074] <... futex resumed>)        = 1
[pid  2078] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2074] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2078] <... openat resumed>)       = 4
[pid  2078] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2074] <... futex resumed>)        = 0
[pid  2074] exit_group(0 <unfinished ...>
[pid  2078] <... futex resumed>)        = 1
[pid  2074] <... exit_group resumed>)   = ?
[pid  2078] +++ exited with 0 +++
[pid  2074] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2074, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2079 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2080 attached
 <unfinished ...>
[pid  2079] set_robust_list(0x55557716c6a0, 24) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2079
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2081
[pid  2080] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2081 attached
 <unfinished ...>
[pid  2080] <... set_robust_list resumed>) = 0
[pid  2079] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2080] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2081] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2080] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2079] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2080
[pid  2081] <... set_robust_list resumed>) = 0
[pid  2080] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2079] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2081] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2080] <... prctl resumed>)        = 0
[pid  2079] <... prctl resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2081] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2080] setpgid(0, 0 <unfinished ...>
[pid  2079] setpgid(0, 0 <unfinished ...>
[pid  2080] <... setpgid resumed>)      = 0
[pid  2079] <... setpgid resumed>)      = 0
[pid  2081] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2081] <... prctl resumed>)        = 0
[pid  2080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2079] <... openat resumed>)       = 3
[pid  2081] setpgid(0, 0 <unfinished ...>
[pid  2080] <... openat resumed>)       = 3
[pid  2079] write(3, "1000", 4 <unfinished ...>
[pid  2081] <... setpgid resumed>)      = 0
[pid  2080] write(3, "1000", 4 <unfinished ...>
[pid  2079] <... write resumed>)        = 4
[pid  2080] <... write resumed>)        = 4
[pid  2081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2080] close(3 <unfinished ...>
[pid  2079] close(3)                    = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  2081] <... openat resumed>)       = 3
[pid  2080] <... close resumed>)        = 0
executing program
[pid  2079] write(1, "executing program\n", 18 <unfinished ...>
[pid  2081] write(3, "1000", 4 <unfinished ...>
[pid  2080] write(1, "executing program\n", 18 <unfinished ...>
[pid  2079] <... write resumed>)        = 18
[pid  2081] <... write resumed>)        = 4
[pid  2080] <... write resumed>)        = 18
[pid  2081] close(3 <unfinished ...>
[pid  2079] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2080] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2081] <... close resumed>)        = 0
[pid  2080] <... futex resumed>)        = 0
[pid  2079] <... futex resumed>)        = 0
[pid  2081] write(1, "executing program\n", 18 <unfinished ...>
[pid  2080] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2081] <... write resumed>)        = 18
[pid  2079] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2081] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2080] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2079] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2081] <... futex resumed>)        = 0
[pid  2080] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2081] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2079] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2080] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2081] <... rt_sigaction resumed>, NULL, 8) = 0
executing program
executing program
[pid  2081] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2079] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2081] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2080] <... mmap resumed>)         = 0x7fb4de009000
[pid  2079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2079] <... mmap resumed>)         = 0x7fb4de009000
[pid  2081] <... mmap resumed>)         = 0x7fb4de009000
[pid  2080] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2082 attached
 <unfinished ...>
[pid  2081] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2080] <... mprotect resumed>)     = 0
[pid  2079] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2082] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2081] <... mprotect resumed>)     = 0
[pid  2079] <... mprotect resumed>)     = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2082
[pid  2082] <... set_robust_list resumed>) = 0
[pid  2081] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2080] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2079] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2082] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2081] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2080] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2079] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2082] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2081] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2080] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2079] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2082] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2083 attached
[pid  2083] set_robust_list(0x7fb4de0299a0, 24ci2-android-6-12-rust/strace-static-x86_64: Process 2085 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2084 attached
) = 0
[pid  2082] <... prctl resumed>)        = 0
[pid  2081] <... clone3 resumed> => {parent_tid=[2083]}, 88) = 2083
[pid  2080] <... clone3 resumed> => {parent_tid=[2084]}, 88) = 2084
[pid  2085] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2084] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2082] setpgid(0, 0 <unfinished ...>
[pid  2081] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2085] <... set_robust_list resumed>) = 0
[pid  2084] <... set_robust_list resumed>) = 0
[pid  2083] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2082] <... setpgid resumed>)      = 0
[pid  2081] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2080] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2079] <... clone3 resumed> => {parent_tid=[2085]}, 88) = 2085
[pid  2085] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2081] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2085] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2080] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2079] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2085] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2081] <... futex resumed>)        = 0
[pid  2080] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2079] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2081] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2080] <... futex resumed>)        = 0
[pid  2079] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2082] <... openat resumed>)       = 3
[pid  2080] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2085] <... futex resumed>)        = 0
[pid  2082] write(3, "1000", 4 <unfinished ...>
[pid  2079] <... futex resumed>)        = 1
[pid  2085] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2084] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2083] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2082] <... write resumed>)        = 4
[pid  2079] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2085] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2084] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2083] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2085] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2084] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2083] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2082] close(3 <unfinished ...>
[pid  2079] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2084] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2083] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2085] <... futex resumed>)        = 0
[pid  2084] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2083] <... futex resumed>)        = 1
[pid  2082] <... close resumed>)        = 0
[pid  2079] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2085] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2084] <... futex resumed>)        = 1
[pid  2083] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2082] write(1, "executing program\n", 18 <unfinished ...>
[pid  2081] <... futex resumed>)        = 0
[pid  2080] <... futex resumed>)        = 0
[pid  2079] <... futex resumed>)        = 0
[pid  2085] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2084] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2085] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2082] <... write resumed>)        = 18
[pid  2081] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2080] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  2079] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2085] <... futex resumed>)        = 0
[pid  2084] <... futex resumed>)        = 0
[pid  2083] <... futex resumed>)        = 0
[pid  2082] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2081] <... futex resumed>)        = 1
[pid  2080] <... futex resumed>)        = 1
[pid  2079] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2085] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2084] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2083] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2082] <... futex resumed>)        = 0
[pid  2081] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2080] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2085] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2084] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2083] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2082] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2079] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2085] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2084] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2083] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2082] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2079] <... futex resumed>)        = 0
[pid  2085] <... openat resumed>)       = 3
[pid  2084] <... futex resumed>)        = 1
[pid  2083] <... futex resumed>)        = 1
[pid  2081] <... futex resumed>)        = 0
[pid  2080] <... futex resumed>)        = 0
[pid  2085] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2084] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2083] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2082] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2079] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2085] <... futex resumed>)        = 0
[pid  2084] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2083] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2082] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2081] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2080] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2079] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2085] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2084] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2081] <... futex resumed>)        = 0
[pid  2080] <... futex resumed>)        = 0
[pid  2079] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2085] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2084] <... openat resumed>)       = 3
[pid  2082] <... mmap resumed>)         = 0x7fb4de009000
[pid  2085] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2081] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2080] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2079] <... futex resumed>)        = 0
[pid  2082] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2085] <... write resumed>)        = 2
[pid  2079] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2085] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2082] <... mprotect resumed>)     = 0
[pid  2079] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2085] <... futex resumed>)        = 0
[pid  2085] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2084] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2083] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2082] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2079] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2085] <... openat resumed>)       = 4
[pid  2084] <... futex resumed>)        = 1
[pid  2083] <... openat resumed>)       = 3
[pid  2080] <... futex resumed>)        = 0
[pid  2079] <... futex resumed>)        = 0
[pid  2082] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2085] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2084] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2083] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2082] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2080] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2079] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2085] <... futex resumed>)        = 0
[pid  2084] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2083] <... futex resumed>)        = 1
[pid  2081] <... futex resumed>)        = 0
[pid  2080] <... futex resumed>)        = 0
[pid  2079] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 2086 attached
[pid  2085] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2084] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2083] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2080] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2086] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2084] <... write resumed>)        = 2
[pid  2083] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2082] <... clone3 resumed> => {parent_tid=[2086]}, 88) = 2086
[pid  2081] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2079] exit_group(0 <unfinished ...>
[pid  2086] <... set_robust_list resumed>) = 0
[pid  2085] <... futex resumed>)        = ?
[pid  2084] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2083] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2082] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2081] <... futex resumed>)        = 0
[pid  2079] <... exit_group resumed>)   = ?
[pid  2086] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2085] +++ exited with 0 +++
[pid  2084] <... futex resumed>)        = 1
[pid  2083] <... write resumed>)        = 2
[pid  2082] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2081] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2080] <... futex resumed>)        = 0
[pid  2086] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2084] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2083] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2086] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2083] <... futex resumed>)        = 0
[pid  2079] +++ exited with 0 +++
[pid  2086] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2083] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2082] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2081] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2080] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2086] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2084] <... futex resumed>)        = 0
[pid  2082] <... futex resumed>)        = 0
[pid  2081] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2080] <... futex resumed>)        = 1
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2079, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2084] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2082] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2080] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2086] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2084] <... openat resumed>)       = 4
[pid  2083] <... futex resumed>)        = 0
[pid  2081] <... futex resumed>)        = 1
[pid  2086] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2084] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2083] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2086] <... futex resumed>)        = 1
[pid  2084] <... futex resumed>)        = 1
[pid  2083] <... openat resumed>)       = 4
[pid  2082] <... futex resumed>)        = 0
[pid  2081] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2080] <... futex resumed>)        = 0
[pid  2086] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2084] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2083] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2083] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2082] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2086] <... futex resumed>)        = 0
[pid  2086] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2082] <... futex resumed>)        = 1
[pid  2086] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2082] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2081] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2080] exit_group(0 <unfinished ...>
[pid  2086] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2084] <... futex resumed>)        = ?
[pid  2081] exit_group(0 <unfinished ...>
[pid  2080] <... exit_group resumed>)   = ?
[pid  2086] <... futex resumed>)        = 1
[pid  2082] <... futex resumed>)        = 0
[pid  2086] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2081] <... exit_group resumed>)   = ?
[pid  2082] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2086] <... futex resumed>)        = 0
[pid  2083] <... futex resumed>)        = ?
[pid  2082] <... futex resumed>)        = 1
[pid  2086] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  2083] +++ exited with 0 +++
[pid  2082] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2086] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2084] +++ exited with 0 +++
[pid  2082] <... futex resumed>)        = 0
[pid  2080] +++ exited with 0 +++
[pid  2086] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2082] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2080, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2086] <... write resumed>)        = 2
[pid  2082] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2086] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2082] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2081] +++ exited with 0 +++
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  2086] <... futex resumed>)        = 0
[pid  2082] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2081, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2086] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2082] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2086] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2082] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2086] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2082] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2086] <... openat resumed>)       = 4
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2086] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2087 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2088 attached
 <unfinished ...>
[pid  2086] <... futex resumed>)        = 1
[pid  2082] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2087] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2086] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2082] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 2089 attached
 <unfinished ...>
[pid  2088] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2087] <... set_robust_list resumed>) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2087
[pid  2089] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2088] <... set_robust_list resumed>) = 0
[pid  2087] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2086] <... futex resumed>)        = ?
[pid  2082] <... exit_group resumed>)   = ?
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2089
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2088
[pid  2089] <... set_robust_list resumed>) = 0
[pid  2088] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2087] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2086] +++ exited with 0 +++
[pid  2082] +++ exited with 0 +++
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2088] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2089] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2088] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2087] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2082, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2089] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2088] <... prctl resumed>)        = 0
[pid  2087] <... prctl resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2089] <... prctl resumed>)        = 0
[pid  2088] setpgid(0, 0 <unfinished ...>
[pid  2087] setpgid(0, 0 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2089] setpgid(0, 0 <unfinished ...>
[pid  2088] <... setpgid resumed>)      = 0
[pid  2087] <... setpgid resumed>)      = 0
[pid  2089] <... setpgid resumed>)      = 0
[pid  2088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2088] <... openat resumed>)       = 3
[pid  2087] <... openat resumed>)       = 3
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2089] <... openat resumed>)       = 3
[pid  2088] write(3, "1000", 4 <unfinished ...>
[pid  2087] write(3, "1000", 4 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2090 attached
 <unfinished ...>
[pid  2089] write(3, "1000", 4 <unfinished ...>
[pid  2088] <... write resumed>)        = 4
[pid  2087] <... write resumed>)        = 4
[pid  2090] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2089] <... write resumed>)        = 4
[pid  2088] close(3 <unfinished ...>
[pid  2087] close(3 <unfinished ...>
[pid  2090] <... set_robust_list resumed>) = 0
[pid  2089] close(3 <unfinished ...>
[pid  2088] <... close resumed>)        = 0
[pid  2087] <... close resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2090
[pid  2089] <... close resumed>)        = 0
[pid  2088] write(1, "executing program\n", 18 <unfinished ...>
[pid  2087] write(1, "executing program\n", 18 <unfinished ...>
[pid  2090] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2089] write(1, "executing program\n", 18 <unfinished ...>
[pid  2090] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2088] <... write resumed>)        = 18
[pid  2087] <... write resumed>)        = 18
[pid  2089] <... write resumed>)        = 18
executing program
executing program
executing program
[pid  2088] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2090] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2089] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2088] <... futex resumed>)        = 0
[pid  2087] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2090] <... prctl resumed>)        = 0
[pid  2089] <... futex resumed>)        = 0
[pid  2088] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2087] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2090] setpgid(0, 0 <unfinished ...>
[pid  2089] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2088] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2087] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2090] <... setpgid resumed>)      = 0
[pid  2089] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2088] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2087] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2089] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2088] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2087] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2089] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2088] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2090] <... openat resumed>)       = 3
[pid  2087] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2090] write(3, "1000", 4 <unfinished ...>
[pid  2088] <... mmap resumed>)         = 0x7fb4de009000
[pid  2087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2090] <... write resumed>)        = 4
[pid  2089] <... mmap resumed>)         = 0x7fb4de009000
[pid  2088] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2090] close(3 <unfinished ...>
[pid  2089] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2087] <... mmap resumed>)         = 0x7fb4de009000
[pid  2090] <... close resumed>)        = 0
[pid  2089] <... mprotect resumed>)     = 0
[pid  2088] <... mprotect resumed>)     = 0
[pid  2087] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2090] write(1, "executing program\n", 18) = 18
[pid  2088] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
executing program
[pid  2090] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2089] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2087] <... mprotect resumed>)     = 0
[pid  2090] <... futex resumed>)        = 0
[pid  2089] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2088] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2090] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2087] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2090] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2089] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2088] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2087] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2090] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 2091 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2092 attached
 <unfinished ...>
[pid  2091] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2090] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2089] <... clone3 resumed> => {parent_tid=[2091]}, 88) = 2091
[pid  2088] <... clone3 resumed> => {parent_tid=[2092]}, 88) = 2092
[pid  2087] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2092] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2091] <... set_robust_list resumed>) = 0
[pid  2090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2089] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2088] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2092] <... set_robust_list resumed>) = 0
[pid  2088] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2092] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2089] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2088] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2092] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2090] <... mmap resumed>)         = 0x7fb4de009000
[pid  2089] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2088] <... futex resumed>)        = 0
[pid  2087] <... clone3 resumed> => {parent_tid=[2093]}, 88) = 2093
[pid  2092] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2090] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2089] <... futex resumed>)        = 0
[pid  2088] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2087] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2092] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2090] <... mprotect resumed>)     = 0
[pid  2089] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2087] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2092] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2093 attached
) = 1
[pid  2091] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2090] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2088] <... futex resumed>)        = 0
[pid  2087] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2093] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2092] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2091] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2090] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2088] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2087] <... futex resumed>)        = 0
[pid  2093] <... set_robust_list resumed>) = 0
[pid  2092] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2091] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2090] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2088] <... futex resumed>)        = 0
[pid  2093] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2092] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2091] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2087] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2094 attached
 <unfinished ...>
[pid  2093] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2091] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2088] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2093] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2091] <... futex resumed>)        = 1
[pid  2089] <... futex resumed>)        = 0
[pid  2094] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2092] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2090] <... clone3 resumed> => {parent_tid=[2094]}, 88) = 2094
[pid  2094] <... set_robust_list resumed>) = 0
[pid  2093] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2092] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2091] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2090] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2089] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2094] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2093] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2092] <... futex resumed>)        = 1
[pid  2091] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2090] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2089] <... futex resumed>)        = 0
[pid  2088] <... futex resumed>)        = 0
[pid  2094] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2093] <... futex resumed>)        = 1
[pid  2092] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2091] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2090] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2089] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2088] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2087] <... futex resumed>)        = 0
[pid  2094] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2093] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2092] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2091] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2090] <... futex resumed>)        = 0
[pid  2088] <... futex resumed>)        = 0
[pid  2087] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2094] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2091] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2090] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2094] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2093] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2092] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2091] <... futex resumed>)        = 1
[pid  2090] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2089] <... futex resumed>)        = 0
[pid  2088] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2087] <... futex resumed>)        = 0
[pid  2094] <... futex resumed>)        = 0
[pid  2093] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2092] <... openat resumed>)       = 3
[pid  2091] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2090] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2089] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2094] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2092] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2091] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2089] <... futex resumed>)        = 0
[pid  2094] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2093] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2092] <... futex resumed>)        = 1
[pid  2091] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2090] <... futex resumed>)        = 0
[pid  2089] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2088] <... futex resumed>)        = 0
[pid  2087] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2094] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2093] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2092] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2091] <... openat resumed>)       = 3
[pid  2090] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2094] <... futex resumed>)        = 0
[pid  2091] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2094] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2091] <... futex resumed>)        = 1
[pid  2089] <... futex resumed>)        = 0
[pid  2091] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2090] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2089] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2087] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2093] <... futex resumed>)        = 0
[pid  2091] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2090] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2089] <... futex resumed>)        = 0
[pid  2088] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2087] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2094] <... futex resumed>)        = 0
[pid  2093] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2092] <... futex resumed>)        = 0
[pid  2091] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2090] <... futex resumed>)        = 1
[pid  2089] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2088] <... futex resumed>)        = 1
[pid  2087] <... futex resumed>)        = 0
[pid  2094] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2093] <... openat resumed>)       = 3
[pid  2092] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2091] <... write resumed>)        = 2
[pid  2090] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2088] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2087] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2094] <... openat resumed>)       = 3
[pid  2093] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2092] <... write resumed>)        = 2
[pid  2091] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2094] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2093] <... futex resumed>)        = 0
[pid  2092] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2091] <... futex resumed>)        = 1
[pid  2089] <... futex resumed>)        = 0
[pid  2087] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2094] <... futex resumed>)        = 1
[pid  2093] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2092] <... futex resumed>)        = 1
[pid  2091] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2090] <... futex resumed>)        = 0
[pid  2089] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2088] <... futex resumed>)        = 0
[pid  2094] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2093] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2092] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2091] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2090] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2089] <... futex resumed>)        = 0
[pid  2088] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2087] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2094] <... write resumed>)        = 2
[pid  2093] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2092] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2091] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2090] <... futex resumed>)        = 0
[pid  2089] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2088] <... futex resumed>)        = 0
[pid  2094] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2093] <... write resumed>)        = 2
[pid  2092] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2091] <... openat resumed>)       = 4
[pid  2090] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2088] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2087] <... futex resumed>)        = 0
[pid  2094] <... futex resumed>)        = 0
[pid  2093] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2092] <... openat resumed>)       = 4
[pid  2087] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2093] <... futex resumed>)        = 0
[pid  2087] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2094] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2093] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2092] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2091] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2090] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2087] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2093] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2091] <... futex resumed>)        = 1
[pid  2090] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2089] <... futex resumed>)        = 0
[pid  2088] <... futex resumed>)        = 0
[pid  2094] <... futex resumed>)        = 0
[pid  2093] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2092] <... futex resumed>)        = 1
[pid  2091] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2090] <... futex resumed>)        = 1
[pid  2089] exit_group(0 <unfinished ...>
[pid  2087] <... futex resumed>)        = 0
[pid  2094] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2093] <... openat resumed>)       = 4
[pid  2092] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2091] <... futex resumed>)        = ?
[pid  2090] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2089] <... exit_group resumed>)   = ?
[pid  2088] exit_group(0 <unfinished ...>
[pid  2087] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2094] <... openat resumed>)       = 4
[pid  2092] <... futex resumed>)        = ?
[pid  2091] +++ exited with 0 +++
[pid  2088] <... exit_group resumed>)   = ?
[pid  2094] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2093] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2092] +++ exited with 0 +++
[pid  2089] +++ exited with 0 +++
[pid  2088] +++ exited with 0 +++
[pid  2094] <... futex resumed>)        = 1
[pid  2090] <... futex resumed>)        = 0
[pid  2087] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2089, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2088, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2094] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2090] exit_group(0 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2094] <... futex resumed>)        = ?
[pid  2090] <... exit_group resumed>)   = ?
[pid  2094] +++ exited with 0 +++
[pid  2093] <... futex resumed>)        = 1
[pid  2090] +++ exited with 0 +++
[pid  2087] exit_group(0 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2087] <... exit_group resumed>)   = ?
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2090, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2093] +++ exited with 0 +++
[pid  2087] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2087, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2095 attached
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2095] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2095
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2095] <... set_robust_list resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2097 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2096 attached
[pid  2096] set_robust_list(0x55557716c6a0, 24) = 0
[pid  2096] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2097] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2096] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2095] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2097
[pid  2097] <... set_robust_list resumed>) = 0
[pid  2096] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2095] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2096
[pid   312] <... restart_syscall resumed>) = 0
[pid  2096] <... prctl resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2097] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2096] setpgid(0, 0 <unfinished ...>
[pid  2095] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2097] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2096] <... setpgid resumed>)      = 0
[pid  2095] <... prctl resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2095] setpgid(0, 0 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2097] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2096] <... openat resumed>)       = 3
[pid  2095] <... setpgid resumed>)      = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2096] write(3, "1000", 4 <unfinished ...>
[pid  2097] <... prctl resumed>)        = 0
[pid  2096] <... write resumed>)        = 4
[pid  2095] <... openat resumed>)       = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 2098 attached
[pid  2096] close(3 <unfinished ...>
[pid  2097] setpgid(0, 0 <unfinished ...>
[pid  2096] <... close resumed>)        = 0
executing program
[pid  2096] write(1, "executing program\n", 18) = 18
[pid  2096] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2098
[pid  2096] <... futex resumed>)        = 0
[pid  2096] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2096] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2096] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2096] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2096] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2096] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2098] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2097] <... setpgid resumed>)      = 0
[pid  2098] <... set_robust_list resumed>) = 0
[pid  2095] write(3, "1000", 4ci2-android-6-12-rust/strace-static-x86_64: Process 2099 attached
 <unfinished ...>
[pid  2098] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2095] <... write resumed>)        = 4
[pid  2099] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2098] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2096] <... clone3 resumed> => {parent_tid=[2099]}, 88) = 2099
[pid  2095] close(3 <unfinished ...>
[pid  2099] <... set_robust_list resumed>) = 0
[pid  2098] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2096] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2099] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2096] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2095] <... close resumed>)        = 0
[pid  2099] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2098] <... prctl resumed>)        = 0
[pid  2097] <... openat resumed>)       = 3
[pid  2096] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  2095] write(1, "executing program\n", 18 <unfinished ...>
[pid  2099] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2098] setpgid(0, 0 <unfinished ...>
[pid  2097] write(3, "1000", 4 <unfinished ...>
[pid  2096] <... futex resumed>)        = 0
[pid  2095] <... write resumed>)        = 18
[pid  2099] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2098] <... setpgid resumed>)      = 0
[pid  2096] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2099] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2097] <... write resumed>)        = 4
[pid  2096] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2095] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2099] <... futex resumed>)        = 0
[pid  2098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2097] close(3 <unfinished ...>
[pid  2095] <... futex resumed>)        = 0
[pid  2099] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2096] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2095] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2099] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2096] <... futex resumed>)        = 0
[pid  2095] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2096] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2099] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2096] <... futex resumed>)        = 0
[pid  2099] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2098] <... openat resumed>)       = 3
[pid  2097] <... close resumed>)        = 0
[pid  2096] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2095] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2098] write(3, "1000", 4 <unfinished ...>
[pid  2097] write(1, "executing program\n", 18 <unfinished ...>
[pid  2095] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2098] <... write resumed>)        = 4
[pid  2097] <... write resumed>)        = 18
[pid  2095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2098] close(3 <unfinished ...>
[pid  2099] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2096] <... futex resumed>)        = 0
[pid  2099] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
executing program
[pid  2096] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2099] <... openat resumed>)       = 3
[pid  2098] <... close resumed>)        = 0
[pid  2097] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2095] <... mmap resumed>)         = 0x7fb4de009000
[pid  2099] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2098] write(1, "executing program\n", 18 <unfinished ...>
[pid  2097] <... futex resumed>)        = 0
[pid  2095] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2099] <... futex resumed>)        = 1
[pid  2098] <... write resumed>)        = 18
[pid  2097] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2096] <... futex resumed>)        = 0
[pid  2099] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2096] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2095] <... mprotect resumed>)     = 0
[pid  2099] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2096] <... futex resumed>)        = 0
executing program
[pid  2098] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2099] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2098] <... futex resumed>)        = 0
[pid  2097] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2096] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2095] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2099] <... write resumed>)        = 2
[pid  2098] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2097] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2095] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2099] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2096] <... futex resumed>)        = 0
[pid  2099] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2098] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2097] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2096] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2095] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2099] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2098] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2096] <... futex resumed>)        = 0
[pid  2099] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2096] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2100 attached
 <unfinished ...>
[pid  2099] <... openat resumed>)       = 4
[pid  2098] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2097] <... mmap resumed>)         = 0x7fb4de009000
[pid  2100] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2100] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2097] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2095] <... clone3 resumed> => {parent_tid=[2100]}, 88) = 2100
[pid  2100] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2099] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2097] <... mprotect resumed>)     = 0
[pid  2100] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2099] <... futex resumed>)        = 1
[pid  2098] <... mmap resumed>)         = 0x7fb4de009000
[pid  2096] <... futex resumed>)        = 0
[pid  2095] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2099] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2098] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2097] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2096] exit_group(0 <unfinished ...>
[pid  2095] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2099] <... futex resumed>)        = ?
[pid  2096] <... exit_group resumed>)   = ?
[pid  2099] +++ exited with 0 +++
[pid  2098] <... mprotect resumed>)     = 0
[pid  2097] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2096] +++ exited with 0 +++
[pid  2095] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2098] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2100] <... futex resumed>)        = 0
[pid  2097] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2095] <... futex resumed>)        = 1
[pid  2100] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  2100] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2101 attached
[pid  2100] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2098] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2095] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2096, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2101] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2098] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2097] <... clone3 resumed> => {parent_tid=[2101]}, 88) = 2101
[pid  2095] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2101] <... set_robust_list resumed>) = 0
[pid  2101] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2101] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 2102 attached
 <unfinished ...>
[pid  2097] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2095] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2102] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2100] <... futex resumed>)        = 0
[pid  2098] <... clone3 resumed> => {parent_tid=[2102]}, 88) = 2102
[pid  2097] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2095] <... futex resumed>)        = 1
[pid   315] <... restart_syscall resumed>) = 0
[pid  2100] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  2102] <... set_robust_list resumed>) = 0
[pid  2100] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2102] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2100] <... futex resumed>)        = 0
[pid  2098] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2102] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2098] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2097] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2095] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2102] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2098] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2097] <... futex resumed>)        = 1
[pid  2102] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2101] <... futex resumed>)        = 0
[pid  2100] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2098] <... futex resumed>)        = 0
[pid  2095] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2102] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2098] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2095] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2102] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2097] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2095] <... futex resumed>)        = 0
[pid  2102] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2095] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2102] <... futex resumed>)        = 1
[pid  2098] <... futex resumed>)        = 0
[pid  2102] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2098] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2102] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2101] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2100] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 2103 attached
[pid  2102] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2101] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2100] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2098] <... futex resumed>)        = 0
[pid  2103] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2102] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2101] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2100] <... openat resumed>)       = 3
[pid  2098] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2103
[pid  2103] <... set_robust_list resumed>) = 0
[pid  2102] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2101] <... futex resumed>)        = 1
[pid  2100] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2098] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2097] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2103] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2102] <... futex resumed>)        = 0
[pid  2101] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2100] <... futex resumed>)        = 1
[pid  2098] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2097] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2095] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2103] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2102] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2101] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2100] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2103] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2101] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2100] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2095] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2103] <... prctl resumed>)        = 0
[pid  2102] <... openat resumed>)       = 3
[pid  2101] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2100] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2098] <... futex resumed>)        = 0
[pid  2097] <... futex resumed>)        = 0
[pid  2103] setpgid(0, 0 <unfinished ...>
[pid  2102] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2101] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2100] <... write resumed>)        = 2
[pid  2095] <... futex resumed>)        = 0
[pid  2097] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2103] <... setpgid resumed>)      = 0
[pid  2102] <... futex resumed>)        = 0
[pid  2101] <... futex resumed>)        = 0
[pid  2100] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2098] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2097] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2095] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2102] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2101] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2100] <... futex resumed>)        = 0
[pid  2098] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2097] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2095] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2103] <... openat resumed>)       = 3
[pid  2101] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2100] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2098] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2097] <... futex resumed>)        = 0
[pid  2103] write(3, "1000", 4 <unfinished ...>
[pid  2101] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2100] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2098] <... futex resumed>)        = 1
[pid  2095] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2103] <... write resumed>)        = 4
[pid  2102] <... futex resumed>)        = 0
[pid  2101] <... openat resumed>)       = 3
[pid  2100] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2097] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2095] <... futex resumed>)        = 0
[pid  2103] close(3 <unfinished ...>
[pid  2102] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2101] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2100] <... openat resumed>)       = 4
[pid  2098] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2095] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2097] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2103] <... close resumed>)        = 0
[pid  2102] <... write resumed>)        = 2
[pid  2101] <... futex resumed>)        = 0
[pid  2100] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2097] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2095] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2103] write(1, "executing program\n", 18 <unfinished ...>
[pid  2102] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2097] <... futex resumed>)        = 0
[pid  2103] <... write resumed>)        = 18
[pid  2102] <... futex resumed>)        = 1
[pid  2101] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2100] <... futex resumed>)        = 0
[pid  2098] <... futex resumed>)        = 0
[pid  2097] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2095] exit_group(0 <unfinished ...>
[pid  2103] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2102] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2101] <... write resumed>)        = 2
executing program
[pid  2100] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2098] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2103] <... futex resumed>)        = 0
[pid  2102] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2101] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2100] +++ exited with 0 +++
[pid  2098] <... futex resumed>)        = 0
[pid  2095] <... exit_group resumed>)   = ?
[pid  2103] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2102] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2101] <... futex resumed>)        = 1
[pid  2098] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2097] <... futex resumed>)        = 0
[pid  2101] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2103] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2103] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2095] +++ exited with 0 +++
[pid  2102] <... openat resumed>)       = 4
[pid  2097] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2103] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2102] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2101] <... futex resumed>)        = 0
[pid  2097] <... futex resumed>)        = 1
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2095, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2103] <... mmap resumed>)         = 0x7fb4de009000
[pid  2102] <... futex resumed>)        = 1
[pid  2101] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2098] <... futex resumed>)        = 0
[pid  2097] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2103] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2102] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2101] <... openat resumed>)       = 4
[pid  2103] <... mprotect resumed>)     = 0
[pid  2101] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2098] exit_group(0 <unfinished ...>
[pid  2103] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2101] <... futex resumed>)        = 1
[pid  2097] <... futex resumed>)        = 0
[pid  2098] <... exit_group resumed>)   = ?
[pid  2102] <... futex resumed>)        = ?
[pid  2101] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2103] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2097] exit_group(0 <unfinished ...>
[pid  2103] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2104 attached
 <unfinished ...>
[pid  2101] <... futex resumed>)        = ?
[pid  2097] <... exit_group resumed>)   = ?
[pid  2101] +++ exited with 0 +++
[pid  2103] <... clone3 resumed> => {parent_tid=[2104]}, 88) = 2104
[pid  2103] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2103] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  2103] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2097] +++ exited with 0 +++
[pid  2104] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2102] +++ exited with 0 +++
[pid  2098] +++ exited with 0 +++
[pid  2104] <... set_robust_list resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2097, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2104] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2098, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2104] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2105 attached
 <unfinished ...>
[pid  2104] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2105] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2104] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2105] <... set_robust_list resumed>) = 0
[pid  2105] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2104] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2106 attached
 <unfinished ...>
[pid  2105] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2104] <... futex resumed>)        = 1
[pid  2103] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2105
[pid  2106] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2105] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2104] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2103] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2106
[pid  2106] <... set_robust_list resumed>) = 0
[pid  2105] <... prctl resumed>)        = 0
[pid  2104] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2103] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2106] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2105] setpgid(0, 0 <unfinished ...>
[pid  2104] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2103] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2106] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2105] <... setpgid resumed>)      = 0
[pid  2104] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2106] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2106] <... prctl resumed>)        = 0
[pid  2104] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2106] setpgid(0, 0 <unfinished ...>
[pid  2105] <... openat resumed>)       = 3
[pid  2104] <... futex resumed>)        = 1
[pid  2103] <... futex resumed>)        = 0
[pid  2106] <... setpgid resumed>)      = 0
[pid  2105] write(3, "1000", 4 <unfinished ...>
[pid  2104] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2103] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2104] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2103] <... futex resumed>)        = 0
[pid  2105] <... write resumed>)        = 4
[pid  2104] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2103] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2106] <... openat resumed>)       = 3
[pid  2105] close(3 <unfinished ...>
[pid  2104] <... openat resumed>)       = 3
[pid  2106] write(3, "1000", 4 <unfinished ...>
[pid  2105] <... close resumed>)        = 0
[pid  2104] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2106] <... write resumed>)        = 4
[pid  2106] close(3 <unfinished ...>
[pid  2105] write(1, "executing program\n", 18 <unfinished ...>
[pid  2104] <... futex resumed>)        = 1
[pid  2103] <... futex resumed>)        = 0
executing program
[pid  2106] <... close resumed>)        = 0
[pid  2105] <... write resumed>)        = 18
[pid  2104] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2103] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2106] write(1, "executing program\n", 18 <unfinished ...>
[pid  2105] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2104] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2103] <... futex resumed>)        = 0
[pid  2106] <... write resumed>)        = 18
[pid  2105] <... futex resumed>)        = 0
[pid  2104] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2103] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2106] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2105] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2104] <... write resumed>)        = 2
[pid  2106] <... futex resumed>)        = 0
[pid  2105] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2106] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2104] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2105] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2106] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2104] <... futex resumed>)        = 0
[pid  2106] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2105] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2106] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2104] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
executing program
[pid  2105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2106] <... mmap resumed>)         = 0x7fb4de009000
[pid  2105] <... mmap resumed>)         = 0x7fb4de009000
[pid  2103] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2106] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2105] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2103] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2106] <... mprotect resumed>)     = 0
[pid  2105] <... mprotect resumed>)     = 0
[pid  2104] <... futex resumed>)        = 0
[pid  2103] <... futex resumed>)        = 1
[pid  2106] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2104] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2103] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2105] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2106] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2104] <... openat resumed>)       = 4
[pid  2106] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2105] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2104] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2105] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2108 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2107 attached
 <unfinished ...>
[pid  2104] <... futex resumed>)        = 1
[pid  2103] <... futex resumed>)        = 0
[pid  2108] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2107] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2106] <... clone3 resumed> => {parent_tid=[2107]}, 88) = 2107
[pid  2105] <... clone3 resumed> => {parent_tid=[2108]}, 88) = 2108
[pid  2104] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2103] exit_group(0 <unfinished ...>
[pid  2108] <... set_robust_list resumed>) = 0
[pid  2107] <... set_robust_list resumed>) = 0
[pid  2106] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2105] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2104] <... futex resumed>)        = ?
[pid  2103] <... exit_group resumed>)   = ?
[pid  2108] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2107] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2106] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2105] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  2108] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2104] +++ exited with 0 +++
[pid  2107] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2106] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2103] +++ exited with 0 +++
[pid  2105] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2108] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2107] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2108] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2107] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2106] <... futex resumed>)        = 0
[pid  2105] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2103, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2108] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2107] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2106] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2105] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 2109 attached
 <unfinished ...>
[pid  2108] <... futex resumed>)        = 0
[pid  2107] <... futex resumed>)        = 0
[pid  2106] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2105] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... restart_syscall resumed>) = 0
[pid  2108] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2107] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2106] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2109] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2108] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2107] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2105] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2108] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2109
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2106] <... futex resumed>)        = 0
[pid  2106] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2108] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2105] <... futex resumed>)        = 0
[pid  2109] <... set_robust_list resumed>) = 0
[pid  2109] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2108] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2109] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2107] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2105] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2108] <... futex resumed>)        = 0
[pid  2105] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2109] setpgid(0, 0)               = 0
[pid  2109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2109] write(3, "1000", 4 <unfinished ...>
[pid  2107] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2105] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2108] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2107] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2105] <... futex resumed>)        = 0
[pid  2109] <... write resumed>)        = 4
[pid  2108] <... openat resumed>)       = 3
[pid  2107] <... futex resumed>)        = 1
[pid  2106] <... futex resumed>)        = 0
[pid  2105] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2109] close(3 <unfinished ...>
[pid  2108] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2107] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2106] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2105] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2109] <... close resumed>)        = 0
[pid  2106] <... futex resumed>)        = 0
[pid  2109] write(1, "executing program\n", 18 <unfinished ...>
[pid  2106] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2109] <... write resumed>)        = 18
[pid  2109] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid  2109] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2108] <... futex resumed>)        = 0
[pid  2107] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2105] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2108] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2107] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2105] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2110 attached
[pid  2109] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2108] <... write resumed>)        = 2
[pid  2107] <... openat resumed>)       = 3
[pid  2105] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2110] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2109] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2108] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2107] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2105] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2110] <... set_robust_list resumed>) = 0
[pid  2109] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2108] <... futex resumed>)        = 0
[pid  2107] <... futex resumed>)        = 1
[pid  2106] <... futex resumed>)        = 0
[pid  2105] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2110
[pid  2110] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2108] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2107] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2106] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2105] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2110] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2109] <... mmap resumed>)         = 0x7fb4de009000
[pid  2106] <... futex resumed>)        = 0
[pid  2110] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2109] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2108] <... openat resumed>)       = 4
[pid  2107] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2105] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2109] <... mprotect resumed>)     = 0
[pid  2107] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2106] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2107] <... write resumed>)        = 2
[pid  2108] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2107] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2105] <... futex resumed>)        = 0
[pid  2107] <... futex resumed>)        = 0
[pid  2110] <... prctl resumed>)        = 0
[pid  2109] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2108] <... futex resumed>)        = 1
[pid  2107] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2106] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2105] exit_group(0 <unfinished ...>
[pid  2110] setpgid(0, 0 <unfinished ...>
[pid  2109] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2108] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2106] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2110] <... setpgid resumed>)      = 0
[pid  2109] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2108] <... futex resumed>)        = ?
[pid  2107] <... futex resumed>)        = 0
[pid  2106] <... futex resumed>)        = 1
[pid  2105] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 2111 attached
[pid  2110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2108] +++ exited with 0 +++
[pid  2107] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2106] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2110] <... openat resumed>)       = 3
[pid  2109] <... clone3 resumed> => {parent_tid=[2111]}, 88) = 2111
[pid  2110] write(3, "1000", 4 <unfinished ...>
[pid  2109] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2111] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2110] <... write resumed>)        = 4
[pid  2105] +++ exited with 0 +++
[pid  2109] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2107] <... openat resumed>)       = 4
[pid  2111] <... set_robust_list resumed>) = 0
[pid  2111] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2110] close(3 <unfinished ...>
[pid  2109] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2107] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2105, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2111] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2110] <... close resumed>)        = 0
[pid  2109] <... futex resumed>)        = 0
[pid  2107] <... futex resumed>)        = 1
[pid  2106] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2110] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  2109] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2106] exit_group(0 <unfinished ...>
[pid  2111] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2110] <... write resumed>)        = 18
[pid  2111] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2110] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2106] <... exit_group resumed>)   = ?
[pid  2111] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2110] <... futex resumed>)        = 0
[pid  2107] +++ exited with 0 +++
[pid  2110] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2111] <... futex resumed>)        = 1
[pid  2110] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2109] <... futex resumed>)        = 0
[pid  2111] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2110] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2109] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2110] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2109] <... futex resumed>)        = 1
[pid  2111] <... futex resumed>)        = 0
[pid  2110] <... mmap resumed>)         = 0x7fb4de009000
[pid  2109] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2111] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  2110] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2106] +++ exited with 0 +++
[pid  2111] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2110] <... mprotect resumed>)     = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2106, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2111] <... futex resumed>)        = 1
[pid  2110] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2109] <... futex resumed>)        = 0
[pid  2111] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2109] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2111] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2109] <... futex resumed>)        = 0
[pid  2111] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2110] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2109] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2111] <... openat resumed>)       = 3
[pid  2110] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2111] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2112 attached
[pid  2111] <... futex resumed>)        = 1
[pid  2109] <... futex resumed>)        = 0
[pid  2112] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2111] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2109] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2112] <... set_robust_list resumed>) = 0
[pid  2111] <... write resumed>)        = 2
[pid  2109] <... futex resumed>)        = 0
[pid  2112] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2111] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2110] <... clone3 resumed> => {parent_tid=[2112]}, 88) = 2112
[pid  2109] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2112] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2111] <... futex resumed>)        = 0
[pid  2110] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2109] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2112] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2111] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2110] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2109] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2113 attached
 <unfinished ...>
[pid  2111] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2110] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2109] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2114 attached
[pid  2113] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2112] <... futex resumed>)        = 0
[pid  2111] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2110] <... futex resumed>)        = 1
[pid  2109] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2114] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2113] <... set_robust_list resumed>) = 0
[pid  2114] <... set_robust_list resumed>) = 0
[pid  2113] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2111] <... openat resumed>)       = 4
[pid  2110] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2114] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2113] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2112] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2111] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2114] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2113] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2112] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2113
[pid  2114] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2113] <... prctl resumed>)        = 0
[pid  2112] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2111] <... futex resumed>)        = 1
[pid  2109] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2114
[pid  2114] <... prctl resumed>)        = 0
[pid  2113] setpgid(0, 0 <unfinished ...>
[pid  2112] <... futex resumed>)        = 1
[pid  2111] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2110] <... futex resumed>)        = 0
[pid  2109] exit_group(0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2114] setpgid(0, 0 <unfinished ...>
[pid  2113] <... setpgid resumed>)      = 0
[pid  2112] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2111] <... futex resumed>)        = ?
[pid  2110] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2109] <... exit_group resumed>)   = ?
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2114] <... setpgid resumed>)      = 0
[pid  2113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2112] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2111] +++ exited with 0 +++
[pid  2110] <... futex resumed>)        = 0
[pid  2112] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2110] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2112] <... futex resumed>)        = 0
[pid  2110] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2112] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2110] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2109] +++ exited with 0 +++
[pid  2112] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2112] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2110] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2109, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2114] <... openat resumed>)       = 3
[pid  2113] <... openat resumed>)       = 3
[pid  2112] <... openat resumed>)       = 3
[pid  2114] write(3, "1000", 4 <unfinished ...>
[pid  2113] write(3, "1000", 4 <unfinished ...>
[pid  2112] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2114] <... write resumed>)        = 4
[pid  2113] <... write resumed>)        = 4
[pid  2112] <... futex resumed>)        = 1
[pid  2110] <... futex resumed>)        = 0
[pid  2114] close(3 <unfinished ...>
[pid  2113] close(3 <unfinished ...>
[pid  2112] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2110] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2114] <... close resumed>)        = 0
[pid  2113] <... close resumed>)        = 0
[pid  2112] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2110] <... futex resumed>)        = 0
[pid  2114] write(1, "executing program\n", 18 <unfinished ...>
[pid  2113] write(1, "executing program\n", 18 <unfinished ...>
[pid  2112] write(3, "\x38\x00", 2 <unfinished ...>
executing program
[pid  2110] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2114] <... write resumed>)        = 18
[pid  2113] <... write resumed>)        = 18
[pid  2112] <... write resumed>)        = 2
executing program
[pid  2114] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2113] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2112] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2114] <... futex resumed>)        = 0
[pid  2113] <... futex resumed>)        = 0
[pid  2112] <... futex resumed>)        = 1
[pid  2110] <... futex resumed>)        = 0
[pid  2114] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2113] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2112] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2110] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2114] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2113] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2112] <... openat resumed>)       = 4
[pid  2110] <... futex resumed>)        = 0
[pid  2114] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2113] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2112] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2110] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2114] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2113] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2112] <... futex resumed>)        = 0
[pid  2110] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2112] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2110] exit_group(0 <unfinished ...>
[pid  2114] <... mmap resumed>)         = 0x7fb4de009000
[pid  2113] <... mmap resumed>)         = 0x7fb4de009000
[pid  2112] <... futex resumed>)        = ?
[pid  2110] <... exit_group resumed>)   = ?
[pid  2114] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2113] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2112] +++ exited with 0 +++
[pid  2110] +++ exited with 0 +++
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2114] <... mprotect resumed>)     = 0
[pid  2113] <... mprotect resumed>)     = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2114] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2115 attached
 <unfinished ...>
[pid  2114] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2113] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2110, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2115] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2113] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2115] <... set_robust_list resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2116 attached
[pid  2115] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2113] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2116] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2115] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2114] <... clone3 resumed> => {parent_tid=[2116]}, 88) = 2116
ci2-android-6-12-rust/strace-static-x86_64: Process 2117 attached
[pid  2116] <... set_robust_list resumed>) = 0
[pid  2116] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2115] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2114] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2117] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2115
[pid  2117] <... set_robust_list resumed>) = 0
[pid  2116] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2115] <... prctl resumed>)        = 0
[pid  2114] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2113] <... clone3 resumed> => {parent_tid=[2117]}, 88) = 2117
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2117] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2116] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2115] setpgid(0, 0 <unfinished ...>
[pid  2114] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2113] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2117] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2116] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2115] <... setpgid resumed>)      = 0
[pid  2114] <... futex resumed>)        = 0
[pid  2113] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  2117] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2116] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  2115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2114] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2113] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2117] <... futex resumed>)        = 0
[pid  2116] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2114] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2113] <... futex resumed>)        = 1
[pid  2117] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2116] <... futex resumed>)        = 0
[pid  2115] <... openat resumed>)       = 3
[pid  2114] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2113] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2117] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2116] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2114] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2117] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2114] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2117] <... futex resumed>)        = 1
[pid  2116] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2115] write(3, "1000", 4 <unfinished ...>
[pid  2113] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2117] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2116] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2115] <... write resumed>)        = 4
[pid  2115] close(3)                    = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2118 attached
[pid  2117] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2116] <... futex resumed>)        = 1
[pid  2115] write(1, "executing program\n", 18 <unfinished ...>
[pid  2114] <... futex resumed>)        = 0
[pid  2113] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2118] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2117] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2116] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2114] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2113] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2118
[pid  2118] <... set_robust_list resumed>) = 0
[pid  2116] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2118] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2117] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2116] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
executing program
[pid  2115] <... write resumed>)        = 18
[pid  2114] <... futex resumed>)        = 0
[pid  2113] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2118] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2117] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2116] <... openat resumed>)       = 3
[pid  2115] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2114] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2113] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2118] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2117] <... futex resumed>)        = 0
[pid  2116] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2115] <... futex resumed>)        = 0
[pid  2114] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2113] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2118] <... prctl resumed>)        = 0
[pid  2117] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2116] <... futex resumed>)        = 0
[pid  2115] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2114] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2113] <... futex resumed>)        = 0
[pid  2118] setpgid(0, 0 <unfinished ...>
[pid  2117] <... openat resumed>)       = 3
[pid  2116] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2114] <... futex resumed>)        = 0
[pid  2113] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2118] <... setpgid resumed>)      = 0
[pid  2117] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2116] <... write resumed>)        = 2
[pid  2114] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2113] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2117] <... futex resumed>)        = 0
[pid  2116] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2114] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2117] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2113] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2118] <... openat resumed>)       = 3
[pid  2117] <... write resumed>)        = 2
[pid  2116] <... futex resumed>)        = 0
[pid  2115] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2114] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2113] <... futex resumed>)        = 0
[pid  2118] write(3, "1000", 4 <unfinished ...>
[pid  2117] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2116] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2115] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2114] <... futex resumed>)        = 0
[pid  2113] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2118] <... write resumed>)        = 4
[pid  2117] <... futex resumed>)        = 0
[pid  2116] <... openat resumed>)       = 4
[pid  2115] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2114] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2118] close(3 <unfinished ...>
[pid  2117] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2116] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2113] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2118] <... close resumed>)        = 0
[pid  2116] <... futex resumed>)        = 0
[pid  2115] <... mmap resumed>)         = 0x7fb4de009000
[pid  2114] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2118] write(1, "executing program\n", 18 <unfinished ...>
[pid  2116] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
executing program
[pid  2115] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2113] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2118] <... write resumed>)        = 18
[pid  2115] <... mprotect resumed>)     = 0
[pid  2114] exit_group(0 <unfinished ...>
[pid  2118] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2117] <... futex resumed>)        = 0
[pid  2115] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2113] <... futex resumed>)        = 1
[pid  2118] <... futex resumed>)        = 0
[pid  2117] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2116] <... futex resumed>)        = ?
[pid  2115] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2114] <... exit_group resumed>)   = ?
[pid  2118] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2117] <... openat resumed>)       = 4
[pid  2115] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2113] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2119 attached
 <unfinished ...>
[pid  2118] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2117] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2116] +++ exited with 0 +++
[pid  2119] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2118] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2117] <... futex resumed>)        = 0
[pid  2115] <... clone3 resumed> => {parent_tid=[2119]}, 88) = 2119
[pid  2113] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2119] <... set_robust_list resumed>) = 0
[pid  2118] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2117] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2115] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2114] +++ exited with 0 +++
[pid  2113] exit_group(0 <unfinished ...>
[pid  2119] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2118] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2117] <... futex resumed>)        = ?
[pid  2115] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2113] <... exit_group resumed>)   = ?
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2114, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2119] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2118] <... mmap resumed>)         = 0x7fb4de009000
[pid  2117] +++ exited with 0 +++
[pid  2115] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2115] <... futex resumed>)        = 0
[pid  2115] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2119] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2113] +++ exited with 0 +++
[pid  2119] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2118] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2119] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2113, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2119] <... futex resumed>)        = 1
[pid  2118] <... mprotect resumed>)     = 0
[pid  2115] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2119] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2118] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2115] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2119] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2118] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2115] <... futex resumed>)        = 0
[pid  2119] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2118] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2115] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2120 attached
 <unfinished ...>
[pid  2119] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2120] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2119] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2118] <... clone3 resumed> => {parent_tid=[2120]}, 88) = 2120
[pid  2120] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2120] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2119] <... futex resumed>)        = 1
[pid  2118] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2115] <... futex resumed>)        = 0
[pid  2120] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2119] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2118] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2115] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2118] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2120] <... futex resumed>)        = 0
[pid  2119] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2118] <... futex resumed>)        = 1
[pid  2115] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2120] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2119] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2118] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2115] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2120] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2119] <... openat resumed>)       = 3
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2121 attached
[pid  2120] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2119] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2120] <... futex resumed>)        = 1
[pid  2118] <... futex resumed>)        = 0
[pid  2121] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2120] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2118] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2121] <... set_robust_list resumed>) = 0
[pid  2120] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2118] <... futex resumed>)        = 0
[pid  2121] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2120] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2119] <... futex resumed>)        = 1
[pid  2118] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2115] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2121
[pid  2121] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2120] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2119] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2115] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2121] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2120] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2119] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2115] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2121] <... prctl resumed>)        = 0
[pid  2120] <... futex resumed>)        = 1
[pid  2119] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2118] <... futex resumed>)        = 0
[pid  2115] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2121] setpgid(0, 0 <unfinished ...>
[pid  2120] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2119] <... write resumed>)        = 2
[pid  2118] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2122 attached
 <unfinished ...>
[pid  2121] <... setpgid resumed>)      = 0
[pid  2120] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2119] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2118] <... futex resumed>)        = 0
[pid  2122] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2119] <... futex resumed>)        = 1
[pid  2121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2115] <... futex resumed>)        = 0
[pid  2122] <... set_robust_list resumed>) = 0
[pid  2120] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2119] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2118] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2115] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2122
[pid  2122] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2121] <... openat resumed>)       = 3
[pid  2120] <... openat resumed>)       = 3
[pid  2119] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2115] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2122] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2121] write(3, "1000", 4 <unfinished ...>
[pid  2120] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2119] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2115] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2122] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2121] <... write resumed>)        = 4
[pid  2120] <... futex resumed>)        = 1
[pid  2119] <... openat resumed>)       = 4
[pid  2118] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2122] <... prctl resumed>)        = 0
[pid  2121] close(3 <unfinished ...>
[pid  2120] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2118] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2122] setpgid(0, 0 <unfinished ...>
[pid  2121] <... close resumed>)        = 0
[pid  2120] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2118] <... futex resumed>)        = 0
[pid  2122] <... setpgid resumed>)      = 0
[pid  2121] write(1, "executing program\n", 18 <unfinished ...>
[pid  2120] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2118] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2121] <... write resumed>)        = 18
[pid  2120] <... write resumed>)        = 2
executing program
[pid  2122] <... openat resumed>)       = 3
[pid  2121] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2120] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2119] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2122] write(3, "1000", 4 <unfinished ...>
[pid  2121] <... futex resumed>)        = 0
[pid  2120] <... futex resumed>)        = 1
[pid  2119] <... futex resumed>)        = 1
[pid  2118] <... futex resumed>)        = 0
[pid  2115] <... futex resumed>)        = 0
[pid  2122] <... write resumed>)        = 4
[pid  2121] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2120] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2119] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2118] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2115] exit_group(0 <unfinished ...>
[pid  2122] close(3 <unfinished ...>
[pid  2121] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2120] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2119] <... futex resumed>)        = ?
[pid  2118] <... futex resumed>)        = 0
[pid  2115] <... exit_group resumed>)   = ?
[pid  2122] <... close resumed>)        = 0
[pid  2121] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2120] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2119] +++ exited with 0 +++
[pid  2118] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2122] write(1, "executing program\n", 18 <unfinished ...>
[pid  2121] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2115] +++ exited with 0 +++
[pid  2121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2120] <... openat resumed>)       = 4
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2115, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
executing program
[pid  2122] <... write resumed>)        = 18
[pid  2121] <... mmap resumed>)         = 0x7fb4de009000
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2122] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2121] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2122] <... futex resumed>)        = 0
[pid  2120] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2122] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2121] <... mprotect resumed>)     = 0
[pid  2122] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2120] <... futex resumed>)        = 1
[pid  2118] <... futex resumed>)        = 0
[pid  2122] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2121] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2120] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2118] exit_group(0 <unfinished ...>
[pid  2122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2120] <... futex resumed>)        = ?
[pid  2118] <... exit_group resumed>)   = ?
[pid  2122] <... mmap resumed>)         = 0x7fb4de009000
[pid  2121] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2121] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2123 attached
 <unfinished ...>
[pid  2120] +++ exited with 0 +++
[pid  2123] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2121] <... clone3 resumed> => {parent_tid=[2123]}, 88) = 2123
[pid  2123] <... set_robust_list resumed>) = 0
[pid  2121] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2123] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2121] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2123] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2121] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2123] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2121] <... futex resumed>)        = 0
[pid  2123] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2121] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2123] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2121] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2123] <... futex resumed>)        = 0
[pid  2122] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2121] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2118] +++ exited with 0 +++
[pid  2123] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2122] <... mprotect resumed>)     = 0
[pid  2123] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2122] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2121] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2118, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2123] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2121] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2123] <... futex resumed>)        = 0
[pid  2122] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2121] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2123] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2122] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2121] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2123] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2121] <... futex resumed>)        = 0
[pid  2123] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2121] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2123] <... openat resumed>)       = 3
[pid  2123] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2121] <... futex resumed>)        = 0
[pid  2123] <... futex resumed>)        = 1
[pid  2123] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2121] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2123] <... write resumed>)        = 2
[pid  2121] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  2122] <... clone3 resumed> => {parent_tid=[2124]}, 88) = 2124
[pid  2122] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2124 attached
 <unfinished ...>
[pid  2123] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2121] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2124] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2123] <... futex resumed>)        = 0
[pid  2122] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2121] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2124] <... set_robust_list resumed>) = 0
[pid  2123] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2121] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2124] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2123] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2122] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2121] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2124] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2123] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2122] <... futex resumed>)        = 0
[pid  2121] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2124] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2123] <... openat resumed>)       = 4
[pid  2122] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2124] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2123] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2124] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2123] <... futex resumed>)        = 1
[pid  2121] <... futex resumed>)        = 0
[pid  2124] <... futex resumed>)        = 1
[pid  2123] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2122] <... futex resumed>)        = 0
[pid  2121] exit_group(0 <unfinished ...>
[pid  2124] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2123] <... futex resumed>)        = ?
[pid  2121] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 2125 attached
[pid  2123] +++ exited with 0 +++
[pid  2122] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2121] +++ exited with 0 +++
[pid  2122] <... futex resumed>)        = 1
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2125
[pid  2122] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2124] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2124] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2121, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2125] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2124] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2125] <... set_robust_list resumed>) = 0
[pid  2124] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2122] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2124] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2125] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2122] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2125] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2124] <... futex resumed>)        = 0
[pid  2122] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 2126 attached
[pid  2124] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2122] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2125] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2126] set_robust_list(0x55557716c6a0, 24) = 0
[pid  2125] <... prctl resumed>)        = 0
[pid  2124] <... openat resumed>)       = 3
[pid  2124] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2126] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2125] setpgid(0, 0 <unfinished ...>
[pid  2124] <... futex resumed>)        = 1
[pid  2124] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2122] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2126
[pid  2122] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2124] <... futex resumed>)        = 0
[pid  2122] <... futex resumed>)        = 1
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2124] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2122] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2124] <... write resumed>)        = 2
[pid  2124] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2122] <... futex resumed>)        = 0
[pid  2124] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2122] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2124] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2122] <... futex resumed>)        = 0
[pid  2124] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2122] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2124] <... openat resumed>)       = 4
[pid  2124] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2122] <... futex resumed>)        = 0
[pid  2122] exit_group(0 <unfinished ...>
[pid  2124] <... futex resumed>)        = 1
[pid  2124] +++ exited with 0 +++
[pid  2122] <... exit_group resumed>)   = ?
[pid  2126] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2125] <... setpgid resumed>)      = 0
[pid  2122] +++ exited with 0 +++
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2122, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2126] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2125] <... openat resumed>)       = 3
[pid  2126] <... prctl resumed>)        = 0
[pid  2125] write(3, "1000", 4 <unfinished ...>
[pid  2126] setpgid(0, 0 <unfinished ...>
[pid  2125] <... write resumed>)        = 4
[pid  2126] <... setpgid resumed>)      = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2125] close(3 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2126] <... openat resumed>)       = 3
[pid  2125] <... close resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2127
[pid  2125] write(1, "executing program\n", 18) = 18
[pid  2125] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2125] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2125] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2126] write(3, "1000", 4 <unfinished ...>
[pid  2125] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2126] <... write resumed>)        = 4
[pid  2125] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2126] close(3 <unfinished ...>
[pid  2125] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2126] <... close resumed>)        = 0
[pid  2125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2126] write(1, "executing program\n", 18ci2-android-6-12-rust/strace-static-x86_64: Process 2127 attached
 <unfinished ...>
[pid  2127] set_robust_list(0x55557716c6a0, 24) = 0
[pid  2127] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2126] <... write resumed>)        = 18
[pid  2125] <... mmap resumed>)         = 0x7fb4de009000
[pid  2127] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2126] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  2127] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2125] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2126] <... futex resumed>)        = 0
[pid  2127] <... prctl resumed>)        = 0
[pid  2127] setpgid(0, 0)               = 0
[pid  2125] <... mprotect resumed>)     = 0
[pid  2126] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2126] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2125] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2127] <... openat resumed>)       = 3
[pid  2126] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2125] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2127] write(3, "1000", 4 <unfinished ...>
[pid  2126] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2125] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2126] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2127] <... write resumed>)        = 4
[pid  2127] close(3)                    = 0
[pid  2127] write(1, "executing program\n", 18ci2-android-6-12-rust/strace-static-x86_64: Process 2128 attached
) = 18
executing program
[pid  2126] <... mmap resumed>)         = 0x7fb4de009000
[pid  2125] <... clone3 resumed> => {parent_tid=[2128]}, 88) = 2128
[pid  2128] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2127] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2126] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2125] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2128] <... set_robust_list resumed>) = 0
[pid  2126] <... mprotect resumed>)     = 0
[pid  2128] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2125] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2128] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2127] <... futex resumed>)        = 0
[pid  2128] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2127] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2126] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2125] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2128] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2127] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2128] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2127] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2126] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2125] <... futex resumed>)        = 0
[pid  2128] <... futex resumed>)        = 0
[pid  2127] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2128] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2127] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2126] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2125] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2127] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2125] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 2129 attached
[pid  2127] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2125] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2129] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2126] <... clone3 resumed> => {parent_tid=[2129]}, 88) = 2129
[pid  2128] <... futex resumed>)        = 0
[pid  2127] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2126] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2125] <... futex resumed>)        = 1
[pid  2129] <... set_robust_list resumed>) = 0
[pid  2128] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2127] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2129] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2128] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2126] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2125] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2130 attached
 <unfinished ...>
[pid  2129] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2126] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2128] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2129] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2127] <... clone3 resumed> => {parent_tid=[2130]}, 88) = 2130
[pid  2130] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2128] <... futex resumed>)        = 1
[pid  2127] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2126] <... futex resumed>)        = 0
[pid  2125] <... futex resumed>)        = 0
[pid  2128] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2127] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2125] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2128] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2127] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2129] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2125] <... futex resumed>)        = 0
[pid  2130] <... set_robust_list resumed>) = 0
[pid  2129] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2128] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2127] <... futex resumed>)        = 0
[pid  2126] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2125] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2130] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2129] <... futex resumed>)        = 0
[pid  2128] <... openat resumed>)       = 3
[pid  2127] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2130] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2129] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2126] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2129] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2128] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2126] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2130] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2129] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2128] <... futex resumed>)        = 1
[pid  2125] <... futex resumed>)        = 0
[pid  2128] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2125] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2128] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2125] <... futex resumed>)        = 0
[pid  2130] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2129] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2128] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2126] <... futex resumed>)        = 0
[pid  2125] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2130] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2129] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2128] <... write resumed>)        = 2
[pid  2126] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2130] <... futex resumed>)        = 1
[pid  2129] <... futex resumed>)        = 0
[pid  2128] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2127] <... futex resumed>)        = 0
[pid  2126] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2130] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2129] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2128] <... futex resumed>)        = 1
[pid  2127] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2126] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2125] <... futex resumed>)        = 0
[pid  2130] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2129] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2126] <... futex resumed>)        = 0
[pid  2130] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2129] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2126] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2129] <... openat resumed>)       = 3
[pid  2127] <... futex resumed>)        = 0
[pid  2125] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2130] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2128] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2127] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2125] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2130] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2129] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2128] <... openat resumed>)       = 4
[pid  2127] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2125] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2130] <... futex resumed>)        = 0
[pid  2129] <... futex resumed>)        = 1
[pid  2127] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2126] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2131 attached
[pid  2130] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2129] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2128] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2127] <... futex resumed>)        = 0
[pid  2126] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2131] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2130] <... openat resumed>)       = 3
[pid  2129] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2128] <... futex resumed>)        = 1
[pid  2126] <... futex resumed>)        = 0
[pid  2125] <... futex resumed>)        = 0
[pid  2131] <... set_robust_list resumed>) = 0
[pid  2130] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2129] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2128] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2127] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2126] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2125] exit_group(0 <unfinished ...>
[pid  2131] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2130] <... futex resumed>)        = 0
[pid  2129] <... write resumed>)        = 2
[pid  2128] <... futex resumed>)        = ?
[pid  2127] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2125] <... exit_group resumed>)   = ?
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2131
[pid  2131] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2130] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2129] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2128] +++ exited with 0 +++
[pid  2127] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2125] +++ exited with 0 +++
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2131] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2130] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2129] <... futex resumed>)        = 1
[pid  2127] <... futex resumed>)        = 0
[pid  2126] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2125, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2131] <... prctl resumed>)        = 0
[pid  2130] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2129] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2127] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2126] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2131] setpgid(0, 0 <unfinished ...>
[pid  2130] <... write resumed>)        = 2
[pid  2129] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2126] <... futex resumed>)        = 0
[pid  2131] <... setpgid resumed>)      = 0
[pid  2130] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2129] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2126] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2130] <... futex resumed>)        = 1
[pid  2127] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2130] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2127] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2127] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2127] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2132 attached
 <unfinished ...>
[pid  2129] <... openat resumed>)       = 4
[pid  2132] set_robust_list(0x55557716c6a0, 24) = 0
[pid  2132] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2132] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2132] setpgid(0, 0)               = 0
[pid  2132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2132] write(3, "1000", 4)         = 4
[pid  2132] close(3)                    = 0
[pid  2132] write(1, "executing program\n", 18) = 18
executing program
[pid  2132] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2132] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2132] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2132] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2132] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2130] <... openat resumed>)       = 4
[pid  2132] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2132] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2131] <... openat resumed>)       = 3
[pid  2130] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2132
ci2-android-6-12-rust/strace-static-x86_64: Process 2133 attached
[pid  2132] <... clone3 resumed> => {parent_tid=[2133]}, 88) = 2133
[pid  2131] write(3, "1000", 4 <unfinished ...>
[pid  2129] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2133] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2132] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2131] <... write resumed>)        = 4
[pid  2130] <... futex resumed>)        = 1
[pid  2129] <... futex resumed>)        = 1
[pid  2127] <... futex resumed>)        = 0
[pid  2126] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2133] <... set_robust_list resumed>) = 0
[pid  2132] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2131] close(3 <unfinished ...>
[pid  2130] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2129] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2133] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2132] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2131] <... close resumed>)        = 0
[pid  2127] exit_group(0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2133] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2132] <... futex resumed>)        = 0
[pid  2131] write(1, "executing program\n", 18 <unfinished ...>
[pid  2130] <... futex resumed>)        = ?
[pid  2127] <... exit_group resumed>)   = ?
[pid  2126] exit_group(0 <unfinished ...>
[pid  2133] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2132] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2133] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2130] +++ exited with 0 +++
[pid  2131] <... write resumed>)        = 18
[pid  2129] <... futex resumed>)        = ?
[pid  2126] <... exit_group resumed>)   = ?
[pid  2129] +++ exited with 0 +++
[pid  2133] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2132] <... futex resumed>)        = 0
[pid  2132] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2132] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2133] <... futex resumed>)        = 1
[pid  2133] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  2127] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2127, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2133] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2132] <... futex resumed>)        = 0
[pid  2133] <... futex resumed>)        = 1
[pid  2132] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2133] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2132] <... futex resumed>)        = 0
[pid  2133] <... openat resumed>)       = 3
[pid  2132] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2133] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2132] <... futex resumed>)        = 0
[pid  2126] +++ exited with 0 +++
[pid  2133] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2132] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2131] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2126, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2133] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2132] <... futex resumed>)        = 0
executing program
[pid  2131] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2133] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2132] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2131] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2133] <... write resumed>)        = 2
[pid  2133] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2131] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2132] <... futex resumed>)        = 0
[pid  2131] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2133] <... futex resumed>)        = 1
[pid  2132] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2131] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2133] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2132] <... futex resumed>)        = 0
[pid  2133] <... openat resumed>)       = 4
[pid  2132] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2133] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2132] <... futex resumed>)        = 0
[pid  2133] <... futex resumed>)        = 1
[pid   314] <... restart_syscall resumed>) = 0
[pid  2133] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2132] exit_group(0 <unfinished ...>
[pid  2133] <... futex resumed>)        = ?
[pid  2132] <... exit_group resumed>)   = ?
[pid   313] <... restart_syscall resumed>) = 0
[pid  2133] +++ exited with 0 +++
[pid  2132] +++ exited with 0 +++
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2132, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2134 attached
, [], 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2134
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2135 attached
 <unfinished ...>
[pid  2134] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2135] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2134] <... set_robust_list resumed>) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2135] <... set_robust_list resumed>) = 0
[pid  2134] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2135
[pid  2135] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2135] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2134] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2135] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2134] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2135] <... prctl resumed>)        = 0
[pid  2134] setpgid(0, 0 <unfinished ...>
[pid  2135] setpgid(0, 0 <unfinished ...>
[pid  2134] <... setpgid resumed>)      = 0
[pid  2135] <... setpgid resumed>)      = 0
[pid  2134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2134] <... openat resumed>)       = 3
[pid  2135] write(3, "1000", 4)         = 4
[pid  2135] close(3)                    = 0
[pid  2134] write(3, "1000", 4 <unfinished ...>
[pid  2135] write(1, "executing program\n", 18 <unfinished ...>
[pid  2134] <... write resumed>)        = 4
[pid  2135] <... write resumed>)        = 18
[pid  2134] close(3 <unfinished ...>
[pid  2135] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2134] <... close resumed>)        = 0
[pid  2135] <... futex resumed>)        = 0
[pid  2135] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2134] write(1, "executing program\n", 18 <unfinished ...>
[pid  2135] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2134] <... write resumed>)        = 18
[pid  2135] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2134] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2135] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2134] <... futex resumed>)        = 0
[pid  2135] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
executing program
executing program
[pid  2134] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2135] <... mmap resumed>)         = 0x7fb4de009000
[pid  2131] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] <... restart_syscall resumed>) = 0
[pid  2134] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2134] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2134] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2136
[pid  2135] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2134] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2135] <... mprotect resumed>)     = 0
[pid  2134] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2131] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2136 attached
[pid  2135] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2134] <... mprotect resumed>)     = 0
[pid  2131] <... mprotect resumed>)     = 0
[pid  2136] set_robust_list(0x55557716c6a0, 24) = 0
[pid  2134] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2131] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2136] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2131] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2136] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2131] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2135] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2134] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2136] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2135] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2134] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2138 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2137 attached
 <unfinished ...>
[pid  2136] <... prctl resumed>)        = 0
[pid  2138] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2137] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2136] setpgid(0, 0 <unfinished ...>
[pid  2131] <... clone3 resumed> => {parent_tid=[2137]}, 88) = 2137
[pid  2138] <... set_robust_list resumed>) = 0
[pid  2137] <... set_robust_list resumed>) = 0
[pid  2136] <... setpgid resumed>)      = 0
[pid  2135] <... clone3 resumed> => {parent_tid=[2138]}, 88) = 2138
[pid  2134] <... clone3 resumed> => {parent_tid=[2139]}, 88) = 2139
[pid  2131] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2138] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2137] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2135] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2134] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2131] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2138] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2137] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2135] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2134] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2138] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2137] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2136] <... openat resumed>)       = 3
[pid  2135] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2134] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2131] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2138] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2137] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2136] write(3, "1000", 4 <unfinished ...>
[pid  2135] <... futex resumed>)        = 0
[pid  2134] <... futex resumed>)        = 0
[pid  2131] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2139 attached
[pid  2138] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2137] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2136] <... write resumed>)        = 4
[pid  2135] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2134] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2131] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2138] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2137] <... futex resumed>)        = 0
[pid  2136] close(3 <unfinished ...>
[pid  2137] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2131] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2136] <... close resumed>)        = 0
[pid  2139] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2136] write(1, "executing program\n", 18 <unfinished ...>
[pid  2131] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2139] <... set_robust_list resumed>) = 0
[pid  2136] <... write resumed>)        = 18
[pid  2131] <... futex resumed>)        = 0
[pid  2138] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2137] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2136] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2139] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2131] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2139] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2138] <... futex resumed>)        = 1
executing program
[pid  2137] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2136] <... futex resumed>)        = 0
[pid  2135] <... futex resumed>)        = 0
[pid  2139] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2138] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2137] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2136] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2135] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2139] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2138] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2137] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2136] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2135] <... futex resumed>)        = 0
[pid  2138] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2137] <... futex resumed>)        = 1
[pid  2136] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2135] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2131] <... futex resumed>)        = 0
[pid  2139] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2138] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2137] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2136] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2131] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2139] <... futex resumed>)        = 1
[pid  2138] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2137] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2134] <... futex resumed>)        = 0
[pid  2131] <... futex resumed>)        = 0
[pid  2139] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2138] <... futex resumed>)        = 1
[pid  2137] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2135] <... futex resumed>)        = 0
[pid  2134] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2139] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2138] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2137] <... openat resumed>)       = 3
[pid  2136] <... mmap resumed>)         = 0x7fb4de009000
[pid  2135] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2134] <... futex resumed>)        = 0
[pid  2131] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2139] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2138] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2137] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2136] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2135] <... futex resumed>)        = 0
[pid  2134] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2131] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2139] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2138] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2137] <... futex resumed>)        = 0
[pid  2136] <... mprotect resumed>)     = 0
[pid  2135] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2131] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2139] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2131] <... futex resumed>)        = 0
[pid  2139] <... futex resumed>)        = 1
[pid  2136] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2131] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2139] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2136] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2138] <... openat resumed>)       = 3
[pid  2137] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2136] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2134] <... futex resumed>)        = 0
[pid  2138] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2137] <... write resumed>)        = 2
[pid  2134] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2140 attached
 <unfinished ...>
[pid  2139] <... futex resumed>)        = 0
[pid  2138] <... futex resumed>)        = 1
[pid  2137] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2135] <... futex resumed>)        = 0
[pid  2134] <... futex resumed>)        = 1
[pid  2140] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2139] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2138] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2137] <... futex resumed>)        = 1
[pid  2136] <... clone3 resumed> => {parent_tid=[2140]}, 88) = 2140
[pid  2135] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2134] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2131] <... futex resumed>)        = 0
[pid  2140] <... set_robust_list resumed>) = 0
[pid  2139] <... openat resumed>)       = 3
[pid  2138] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2137] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2136] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2135] <... futex resumed>)        = 0
[pid  2131] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2140] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2139] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2138] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2137] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2136] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2135] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2140] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2139] <... futex resumed>)        = 1
[pid  2138] <... write resumed>)        = 2
[pid  2137] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2136] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2134] <... futex resumed>)        = 0
[pid  2131] <... futex resumed>)        = 0
[pid  2140] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2139] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2138] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2137] <... openat resumed>)       = 4
[pid  2136] <... futex resumed>)        = 0
[pid  2134] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2140] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2139] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2138] <... futex resumed>)        = 1
[pid  2136] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2135] <... futex resumed>)        = 0
[pid  2134] <... futex resumed>)        = 0
[pid  2131] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2140] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2139] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2138] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2137] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2136] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2135] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2134] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2140] <... futex resumed>)        = 0
[pid  2139] <... write resumed>)        = 2
[pid  2138] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2137] <... futex resumed>)        = 0
[pid  2136] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2135] <... futex resumed>)        = 0
[pid  2131] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2140] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2139] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2138] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2137] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2136] <... futex resumed>)        = 0
[pid  2135] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2140] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2139] <... futex resumed>)        = 1
[pid  2136] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2134] <... futex resumed>)        = 0
[pid  2131] exit_group(0 <unfinished ...>
[pid  2140] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2139] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2138] <... openat resumed>)       = 4
[pid  2134] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2140] <... futex resumed>)        = 1
[pid  2139] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2138] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2137] <... futex resumed>)        = ?
[pid  2136] <... futex resumed>)        = 0
[pid  2134] <... futex resumed>)        = 0
[pid  2131] <... exit_group resumed>)   = ?
[pid  2140] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2139] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2138] <... futex resumed>)        = 1
[pid  2137] +++ exited with 0 +++
[pid  2136] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2135] <... futex resumed>)        = 0
[pid  2134] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2140] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2138] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2135] exit_group(0 <unfinished ...>
[pid  2140] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  2138] <... futex resumed>)        = ?
[pid  2135] <... exit_group resumed>)   = ?
[pid  2140] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2139] <... openat resumed>)       = 4
[pid  2138] +++ exited with 0 +++
[pid  2136] <... futex resumed>)        = 0
[pid  2135] +++ exited with 0 +++
[pid  2131] +++ exited with 0 +++
[pid  2140] <... futex resumed>)        = 0
[pid  2139] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2136] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2135, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2131, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2140] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2139] <... futex resumed>)        = 1
[pid  2136] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2134] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2139] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2136] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2134] exit_group(0 <unfinished ...>
[pid  2140] <... futex resumed>)        = 0
[pid  2139] <... futex resumed>)        = ?
[pid  2136] <... futex resumed>)        = 1
[pid  2134] <... exit_group resumed>)   = ?
[pid  2140] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2139] +++ exited with 0 +++
[pid  2136] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2134] +++ exited with 0 +++
[pid  2140] <... write resumed>)        = 2
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2134, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2140] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2140] <... futex resumed>)        = 1
[pid  2140] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2136] <... futex resumed>)        = 0
[pid  2140] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2136] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2140] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid  2136] <... futex resumed>)        = 0
[pid  2136] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2140] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2136] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2140] <... futex resumed>)        = 0
[pid  2140] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2136] exit_group(0 <unfinished ...>
[pid  2140] <... futex resumed>)        = ?
[pid  2136] <... exit_group resumed>)   = ?
[pid  2140] +++ exited with 0 +++
[pid   312] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2136] +++ exited with 0 +++
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2141
[pid   312] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2141 attached
, NULL, 8) = 0
[pid  2141] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2136, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2141] <... set_robust_list resumed>) = 0
[pid  2141] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  2141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2141] setpgid(0, 0 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2141] <... setpgid resumed>)      = 0
[pid  2141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2141] <... openat resumed>)       = 3
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2141] write(3, "1000", 4ci2-android-6-12-rust/strace-static-x86_64: Process 2142 attached
)         = 4
[pid  2141] close(3 <unfinished ...>
[pid  2142] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2141] <... close resumed>)        = 0
[pid  2142] <... set_robust_list resumed>) = 0
[pid  2141] write(1, "executing program\n", 18 <unfinished ...>
[pid  2142] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2141] <... write resumed>)        = 18
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
executing program
[pid  2142] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2141] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2142
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2142] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2141] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2143 attached
[pid   315] <... restart_syscall resumed>) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2143] set_robust_list(0x55557716c6a0, 24ci2-android-6-12-rust/strace-static-x86_64: Process 2144 attached
) = 0
[pid  2143] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2143] setpgid(0, 0 <unfinished ...>
[pid  2144] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2143] <... setpgid resumed>)      = 0
[pid  2144] <... set_robust_list resumed>) = 0
[pid  2143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2141] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2144] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2143] <... openat resumed>)       = 3
[pid  2142] <... prctl resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2144
[pid  2144] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2142] setpgid(0, 0 <unfinished ...>
[pid  2141] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2143
[pid  2144] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2143] write(3, "1000", 4 <unfinished ...>
[pid  2142] <... setpgid resumed>)      = 0
[pid  2141] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2144] <... prctl resumed>)        = 0
[pid  2143] <... write resumed>)        = 4
[pid  2142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2141] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2144] setpgid(0, 0 <unfinished ...>
[pid  2143] close(3 <unfinished ...>
[pid  2142] <... openat resumed>)       = 3
[pid  2141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2142] write(3, "1000", 4 <unfinished ...>
[pid  2144] <... setpgid resumed>)      = 0
[pid  2143] <... close resumed>)        = 0
[pid  2141] <... mmap resumed>)         = 0x7fb4de009000
[pid  2144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
executing program
[pid  2143] write(1, "executing program\n", 18 <unfinished ...>
[pid  2142] <... write resumed>)        = 4
[pid  2141] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2144] <... openat resumed>)       = 3
[pid  2143] <... write resumed>)        = 18
[pid  2142] close(3 <unfinished ...>
[pid  2143] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2141] <... mprotect resumed>)     = 0
[pid  2144] write(3, "1000", 4 <unfinished ...>
[pid  2143] <... futex resumed>)        = 0
[pid  2142] <... close resumed>)        = 0
[pid  2141] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2142] write(1, "executing program\n", 18 <unfinished ...>
[pid  2141] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2144] <... write resumed>)        = 4
executing program
[pid  2143] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2142] <... write resumed>)        = 18
[pid  2141] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2144] close(3 <unfinished ...>
[pid  2143] <... rt_sigaction resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2145 attached
[pid  2144] <... close resumed>)        = 0
[pid  2143] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2142] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2145] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2144] write(1, "executing program\n", 18 <unfinished ...>
[pid  2143] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2145] <... set_robust_list resumed>) = 0
executing program
[pid  2144] <... write resumed>)        = 18
[pid  2143] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2142] <... futex resumed>)        = 0
[pid  2141] <... clone3 resumed> => {parent_tid=[2145]}, 88) = 2145
[pid  2145] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2144] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2143] <... mmap resumed>)         = 0x7fb4de009000
[pid  2145] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2142] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2141] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2145] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2142] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2141] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2142] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2141] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2142] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2145] <... futex resumed>)        = 0
[pid  2141] <... futex resumed>)        = 1
[pid  2142] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2145] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2144] <... futex resumed>)        = 0
[pid  2143] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2142] <... mmap resumed>)         = 0x7fb4de009000
[pid  2141] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2145] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2144] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2143] <... mprotect resumed>)     = 0
[pid  2142] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2145] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2144] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2143] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2145] <... futex resumed>)        = 1
[pid  2144] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2143] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2142] <... mprotect resumed>)     = 0
[pid  2141] <... futex resumed>)        = 0
[pid  2145] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2144] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2143] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2142] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2145] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2141] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2146 attached
 <unfinished ...>
[pid  2145] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2144] <... mmap resumed>)         = 0x7fb4de009000
[pid  2142] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2141] <... futex resumed>)        = 0
[pid  2146] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2145] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2144] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2142] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2146] <... set_robust_list resumed>) = 0
[pid  2145] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2141] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2147 attached
 <unfinished ...>
[pid  2146] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2145] <... futex resumed>)        = 0
[pid  2144] <... mprotect resumed>)     = 0
[pid  2141] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2147] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2146] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2145] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2144] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2142] <... clone3 resumed> => {parent_tid=[2147]}, 88) = 2147
[pid  2141] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2147] <... set_robust_list resumed>) = 0
[pid  2146] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2145] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2144] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2143] <... clone3 resumed> => {parent_tid=[2146]}, 88) = 2146
[pid  2142] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2141] <... futex resumed>)        = 0
[pid  2147] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2145] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2144] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2143] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2142] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2141] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2147] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2145] <... openat resumed>)       = 3
[pid  2142] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2145] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2148 attached
 <unfinished ...>
[pid  2147] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2145] <... futex resumed>)        = 1
[pid  2143] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2142] <... futex resumed>)        = 0
[pid  2141] <... futex resumed>)        = 0
[pid  2148] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2147] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2145] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2144] <... clone3 resumed> => {parent_tid=[2148]}, 88) = 2148
[pid  2143] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2142] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2141] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2148] <... set_robust_list resumed>) = 0
[pid  2147] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2146] <... futex resumed>)        = 0
[pid  2145] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2144] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2143] <... futex resumed>)        = 1
[pid  2142] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2141] <... futex resumed>)        = 0
[pid  2148] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2147] <... futex resumed>)        = 0
[pid  2146] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2145] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2144] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2143] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2142] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2141] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2148] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2147] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2146] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2145] <... write resumed>)        = 2
[pid  2144] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2142] <... futex resumed>)        = 0
[pid  2148] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2144] <... futex resumed>)        = 0
[pid  2147] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2144] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2145] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2148] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2147] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2146] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2142] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2148] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2147] <... futex resumed>)        = 0
[pid  2146] <... futex resumed>)        = 1
[pid  2145] <... futex resumed>)        = 1
[pid  2143] <... futex resumed>)        = 0
[pid  2142] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2141] <... futex resumed>)        = 0
[pid  2148] <... futex resumed>)        = 1
[pid  2147] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2146] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2145] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2144] <... futex resumed>)        = 0
[pid  2143] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2142] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2141] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2148] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2147] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2146] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2145] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2142] <... futex resumed>)        = 0
[pid  2141] <... futex resumed>)        = 0
[pid  2147] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2146] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2145] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2142] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2141] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2147] <... openat resumed>)       = 3
[pid  2147] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2146] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2145] <... openat resumed>)       = 4
[pid  2144] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2143] <... futex resumed>)        = 0
[pid  2148] <... futex resumed>)        = 0
[pid  2147] <... futex resumed>)        = 1
[pid  2146] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2145] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2144] <... futex resumed>)        = 1
[pid  2143] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2142] <... futex resumed>)        = 0
[pid  2148] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2147] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2146] <... futex resumed>)        = 0
[pid  2145] <... futex resumed>)        = 1
[pid  2144] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2143] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2141] <... futex resumed>)        = 0
[pid  2148] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2147] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2146] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2145] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2143] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2142] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2148] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2147] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2146] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2143] <... futex resumed>)        = 0
[pid  2141] exit_group(0 <unfinished ...>
[pid  2148] <... futex resumed>)        = 1
[pid  2147] <... write resumed>)        = 2
[pid  2146] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2144] <... futex resumed>)        = 0
[pid  2143] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2142] <... futex resumed>)        = 0
[pid  2148] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2147] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2146] <... openat resumed>)       = 3
[pid  2145] <... futex resumed>)        = ?
[pid  2144] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2141] <... exit_group resumed>)   = ?
[pid  2148] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2147] <... futex resumed>)        = 0
[pid  2146] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2145] +++ exited with 0 +++
[pid  2144] <... futex resumed>)        = 0
[pid  2142] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2148] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2147] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2146] <... futex resumed>)        = 1
[pid  2144] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2143] <... futex resumed>)        = 0
[pid  2143] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2143] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2142] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2146] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2141] +++ exited with 0 +++
[pid  2148] <... openat resumed>)       = 3
[pid  2142] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2148] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2147] <... futex resumed>)        = 0
[pid  2146] <... write resumed>)        = 2
[pid  2142] <... futex resumed>)        = 1
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2141, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2148] <... futex resumed>)        = 1
[pid  2147] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2146] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2144] <... futex resumed>)        = 0
[pid  2142] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2148] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2147] <... openat resumed>)       = 4
[pid  2146] <... futex resumed>)        = 1
[pid  2144] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2143] <... futex resumed>)        = 0
[pid  2148] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2147] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2146] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2144] <... futex resumed>)        = 0
[pid  2143] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2148] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2147] <... futex resumed>)        = 1
[pid  2146] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2144] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2143] <... futex resumed>)        = 0
[pid  2142] <... futex resumed>)        = 0
[pid  2148] <... write resumed>)        = 2
[pid  2147] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2146] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2143] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2142] exit_group(0 <unfinished ...>
[pid  2148] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2147] <... futex resumed>)        = ?
[pid  2144] <... futex resumed>)        = 0
[pid  2142] <... exit_group resumed>)   = ?
[pid  2144] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2144] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2146] <... openat resumed>)       = 4
[pid  2146] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2143] <... futex resumed>)        = 0
[pid  2146] <... futex resumed>)        = 1
[pid  2143] exit_group(0)               = ?
[pid  2148] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2147] +++ exited with 0 +++
[pid  2146] +++ exited with 0 +++
[pid  2143] +++ exited with 0 +++
[pid  2142] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2142, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2143, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2148] <... openat resumed>)       = 4
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2148] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2144] <... futex resumed>)        = 0
[pid  2144] exit_group(0)               = ?
[pid  2148] +++ exited with 0 +++
[pid  2144] +++ exited with 0 +++
[pid   313] <... restart_syscall resumed>) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2144, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... restart_syscall resumed>) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2149 attached
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2149] set_robust_list(0x55557716c6a0, 24ci2-android-6-12-rust/strace-static-x86_64: Process 2150 attached
) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2150
[pid  2149] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2150] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2149
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2149] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2149] setpgid(0, 0)               = 0
[pid  2149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2150] <... set_robust_list resumed>) = 0
[pid  2149] <... openat resumed>)       = 3
[pid  2150] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2149] write(3, "1000", 4)         = 4
[pid  2150] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2149] close(3 <unfinished ...>
[pid  2150] <... prctl resumed>)        = 0
[pid  2150] setpgid(0, 0 <unfinished ...>
[pid  2149] <... close resumed>)        = 0
[pid  2150] <... setpgid resumed>)      = 0
[pid  2149] write(1, "executing program\n", 18) = 18
executing program
[pid  2150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2149] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2149] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2150] <... openat resumed>)       = 3
[pid  2149] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2150] write(3, "1000", 4 <unfinished ...>
[pid  2149] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2150] <... write resumed>)        = 4
[pid  2149] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2150] close(3 <unfinished ...>
[pid  2149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2150] <... close resumed>)        = 0
[pid  2150] write(1, "executing program\n", 18 <unfinished ...>
[pid  2149] <... mmap resumed>)         = 0x7fb4de009000
[pid  2150] <... write resumed>)        = 18
[pid  2149] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2150] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2149] <... mprotect resumed>)     = 0
executing program
[pid  2150] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2149] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2150] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2149] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2149] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2151 attached
 <unfinished ...>
[pid  2150] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2151] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2151] <... set_robust_list resumed>) = 0
[pid  2151] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2150] <... mmap resumed>)         = 0x7fb4de009000
[pid  2149] <... clone3 resumed> => {parent_tid=[2151]}, 88) = 2151
[pid  2151] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2150] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2149] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2151] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2150] <... mprotect resumed>)     = 0
[pid  2149] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2149] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2151] <... futex resumed>)        = 0
[pid  2149] <... futex resumed>)        = 1
[pid  2151] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2150] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2149] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2151] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2150] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2151] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2150] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2151] <... futex resumed>)        = 1
[pid  2149] <... futex resumed>)        = 0
[pid  2151] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2149] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2152 attached
 <unfinished ...>
[pid  2151] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2149] <... futex resumed>)        = 0
[pid  2152] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2151] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2149] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2152] <... set_robust_list resumed>) = 0
[pid  2151] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2150] <... clone3 resumed> => {parent_tid=[2152]}, 88) = 2152
[pid   314] <... restart_syscall resumed>) = 0
[pid  2152] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2150] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2152] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2151] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2150] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2152] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2151] <... futex resumed>)        = 1
[pid  2150] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2149] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2152] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2151] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2150] <... futex resumed>)        = 0
[pid  2149] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2152] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2151] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2150] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2149] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2153 attached
 <unfinished ...>
[pid  2152] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2151] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2149] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2152] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2151] <... openat resumed>)       = 3
[pid  2152] <... futex resumed>)        = 1
[pid  2151] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2152] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2151] <... futex resumed>)        = 1
[pid  2151] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2149] <... futex resumed>)        = 0
[pid  2149] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2151] <... futex resumed>)        = 0
[pid  2151] write(3, "\x38\x00", 2)     = 2
[pid  2149] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2151] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2149] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2153
[pid  2151] <... futex resumed>)        = 0
[pid  2149] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2151] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2149] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2153] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2151] <... openat resumed>)       = 4
[pid  2150] <... futex resumed>)        = 0
[pid  2149] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2153] <... set_robust_list resumed>) = 0
[pid  2150] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2153] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2152] <... futex resumed>)        = 0
[pid  2151] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2150] <... futex resumed>)        = 1
[pid  2149] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2153] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2152] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2151] <... futex resumed>)        = 0
[pid  2150] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2149] exit_group(0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2153] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2152] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2149] <... exit_group resumed>)   = ?
[pid  2153] <... prctl resumed>)        = 0
[pid  2153] setpgid(0, 0 <unfinished ...>
[pid  2152] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2151] +++ exited with 0 +++
[pid  2149] +++ exited with 0 +++
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2154 attached
 <unfinished ...>
[pid  2153] <... setpgid resumed>)      = 0
[pid  2152] <... futex resumed>)        = 1
[pid  2150] <... futex resumed>)        = 0
[pid  2153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2152] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2150] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2154] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2150] <... futex resumed>)        = 0
[pid  2154] <... set_robust_list resumed>) = 0
[pid  2153] <... openat resumed>)       = 3
[pid  2150] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2154] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2152] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2153] write(3, "1000", 4 <unfinished ...>
[pid  2152] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2149, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2154] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2153] <... write resumed>)        = 4
[pid  2152] <... openat resumed>)       = 3
[pid  2153] close(3 <unfinished ...>
[pid  2152] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2154
[pid  2154] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2153] <... close resumed>)        = 0
[pid  2152] <... futex resumed>)        = 1
[pid  2150] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2154] <... prctl resumed>)        = 0
[pid  2153] write(1, "executing program\n", 18 <unfinished ...>
[pid  2152] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2150] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2154] setpgid(0, 0 <unfinished ...>
[pid  2153] <... write resumed>)        = 18
[pid  2152] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2150] <... futex resumed>)        = 0
executing program
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2154] <... setpgid resumed>)      = 0
[pid  2153] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2152] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2150] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2155 attached
 <unfinished ...>
[pid  2154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2153] <... futex resumed>)        = 0
[pid  2152] <... write resumed>)        = 2
[pid  2153] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2152] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2153] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2150] <... futex resumed>)        = 0
[pid  2154] <... openat resumed>)       = 3
[pid  2153] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2150] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2155] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2150] <... futex resumed>)        = 0
[pid  2150] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2152] <... futex resumed>)        = 1
[pid  2152] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid  2152] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2155] <... set_robust_list resumed>) = 0
[pid  2150] <... futex resumed>)        = 0
[pid  2154] write(3, "1000", 4 <unfinished ...>
[pid  2153] <... mmap resumed>)         = 0x7fb4de009000
[pid  2150] exit_group(0 <unfinished ...>
[pid  2155] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2154] <... write resumed>)        = 4
[pid  2152] <... futex resumed>)        = ?
[pid  2150] <... exit_group resumed>)   = ?
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2155
[pid  2155] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2154] close(3 <unfinished ...>
[pid  2153] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2152] +++ exited with 0 +++
[pid  2150] +++ exited with 0 +++
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2153] <... mprotect resumed>)     = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2155] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2150, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2155] <... prctl resumed>)        = 0
[pid  2154] <... close resumed>)        = 0
[pid  2153] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2155] setpgid(0, 0 <unfinished ...>
[pid  2154] write(1, "executing program\n", 18 <unfinished ...>
[pid  2153] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2155] <... setpgid resumed>)      = 0
executing program
[pid  2154] <... write resumed>)        = 18
[pid  2153] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2154] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2156 attached
 <unfinished ...>
[pid  2155] <... openat resumed>)       = 3
[pid  2154] <... futex resumed>)        = 0
[pid  2156] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2153] <... clone3 resumed> => {parent_tid=[2156]}, 88) = 2156
[pid  2154] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2156] <... set_robust_list resumed>) = 0
[pid  2155] write(3, "1000", 4 <unfinished ...>
[pid  2156] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2154] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2153] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2156] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2155] <... write resumed>)        = 4
[pid  2154] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2153] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2156] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2155] close(3)                    = 0
[pid  2155] write(1, "executing program\n", 18 <unfinished ...>
[pid  2154] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2153] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2154] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2153] <... futex resumed>)        = 1
[pid  2156] <... futex resumed>)        = 0
[pid  2155] <... write resumed>)        = 18
executing program
[pid  2156] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2155] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2154] <... mmap resumed>)         = 0x7fb4de009000
[pid  2153] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2156] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2155] <... futex resumed>)        = 0
[pid  2156] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2155] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2154] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2153] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2156] <... futex resumed>)        = 0
[pid  2155] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2153] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2156] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2155] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2154] <... mprotect resumed>)     = 0
[pid  2153] <... futex resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  2154] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2153] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2154] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2157 attached
[pid  2154] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2155] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2155] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITEci2-android-6-12-rust/strace-static-x86_64: Process 2158 attached
 <unfinished ...>
[pid  2157] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2156] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2155] <... mprotect resumed>)     = 0
[pid  2154] <... clone3 resumed> => {parent_tid=[2158]}, 88) = 2158
[pid  2157] <... set_robust_list resumed>) = 0
[pid  2154] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2158] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2157] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2156] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2155] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2157
[pid  2158] <... set_robust_list resumed>) = 0
[pid  2156] <... futex resumed>)        = 1
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2158] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2156] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2155] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2158] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2155] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2159 attached
 <unfinished ...>
[pid  2158] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2157] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2154] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2153] <... futex resumed>)        = 0
[pid  2159] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2154] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2153] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2159] <... set_robust_list resumed>) = 0
[pid  2158] <... futex resumed>)        = 0
[pid  2157] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2156] <... futex resumed>)        = 0
[pid  2155] <... clone3 resumed> => {parent_tid=[2159]}, 88) = 2159
[pid  2154] <... futex resumed>)        = 1
[pid  2153] <... futex resumed>)        = 1
[pid  2159] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2158] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2157] <... prctl resumed>)        = 0
[pid  2156] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2155] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2154] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2159] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2158] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2157] setpgid(0, 0 <unfinished ...>
[pid  2156] <... openat resumed>)       = 3
[pid  2155] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2153] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2159] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2158] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2157] <... setpgid resumed>)      = 0
[pid  2156] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2155] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2153] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2159] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2158] <... futex resumed>)        = 1
[pid  2156] <... futex resumed>)        = 0
[pid  2155] <... futex resumed>)        = 0
[pid  2154] <... futex resumed>)        = 0
[pid  2159] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2158] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2156] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2155] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2154] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2153] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2159] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2158] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2157] <... openat resumed>)       = 3
[pid  2156] <... write resumed>)        = 2
[pid  2154] <... futex resumed>)        = 0
[pid  2153] <... futex resumed>)        = 0
[pid  2159] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2158] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2157] write(3, "1000", 4 <unfinished ...>
[pid  2156] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2154] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2153] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2159] <... futex resumed>)        = 1
[pid  2158] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2156] <... futex resumed>)        = 0
[pid  2155] <... futex resumed>)        = 0
[pid  2153] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2157] <... write resumed>)        = 4
[pid  2159] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2158] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2157] close(3 <unfinished ...>
[pid  2156] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2155] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2153] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2159] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2158] <... futex resumed>)        = 0
[pid  2156] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2155] <... futex resumed>)        = 0
[pid  2153] <... futex resumed>)        = 0
[pid  2159] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2158] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2157] <... close resumed>)        = 0
[pid  2156] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2155] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2154] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2157] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  2153] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2159] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2158] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2157] <... write resumed>)        = 18
[pid  2156] <... openat resumed>)       = 4
[pid  2154] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2158] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2156] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2154] <... futex resumed>)        = 0
[pid  2159] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2158] <... openat resumed>)       = 3
[pid  2157] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2156] <... futex resumed>)        = 1
[pid  2154] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2153] <... futex resumed>)        = 0
[pid  2159] <... futex resumed>)        = 1
[pid  2158] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2157] <... futex resumed>)        = 0
[pid  2156] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2155] <... futex resumed>)        = 0
[pid  2159] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2158] <... futex resumed>)        = 0
[pid  2157] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2155] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2154] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2153] exit_group(0 <unfinished ...>
[pid  2159] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2158] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2157] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2156] <... futex resumed>)        = ?
[pid  2155] <... futex resumed>)        = 0
[pid  2154] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2153] <... exit_group resumed>)   = ?
[pid  2159] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2158] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2157] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2156] +++ exited with 0 +++
[pid  2155] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2159] <... openat resumed>)       = 3
[pid  2158] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2159] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2158] <... write resumed>)        = 2
[pid  2155] <... futex resumed>)        = 0
[pid  2159] <... futex resumed>)        = 1
[pid  2158] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2155] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2159] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2158] <... futex resumed>)        = 0
[pid  2157] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2155] <... futex resumed>)        = 0
[pid  2154] <... futex resumed>)        = 0
[pid  2153] +++ exited with 0 +++
[pid  2159] <... write resumed>)        = 2
[pid  2158] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2155] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2154] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2153, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2159] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2155] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2157] <... mmap resumed>)         = 0x7fb4de009000
[pid  2154] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2157] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2154] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2159] <... futex resumed>)        = 0
[pid  2157] <... mprotect resumed>)     = 0
[pid  2155] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2154] <... futex resumed>)        = 1
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2159] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2158] <... futex resumed>)        = 0
[pid  2155] <... futex resumed>)        = 0
[pid  2154] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2159] <... openat resumed>)       = 4
[pid  2158] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2155] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2158] <... openat resumed>)       = 4
[pid  2157] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2159] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2158] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2157] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2159] <... futex resumed>)        = 1
[pid  2158] <... futex resumed>)        = 1
[pid  2155] <... futex resumed>)        = 0
[pid  2154] <... futex resumed>)        = 0
[pid  2159] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2158] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2157] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2155] exit_group(0 <unfinished ...>
[pid  2159] <... futex resumed>)        = ?
[pid  2155] <... exit_group resumed>)   = ?
[pid  2154] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 2160 attached
 <unfinished ...>
[pid  2159] +++ exited with 0 +++
[pid  2158] <... futex resumed>)        = ?
[pid  2155] +++ exited with 0 +++
[pid  2154] <... exit_group resumed>)   = ?
[pid  2160] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2158] +++ exited with 0 +++
[pid  2157] <... clone3 resumed> => {parent_tid=[2160]}, 88) = 2160
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2155, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2160] <... set_robust_list resumed>) = 0
[pid  2160] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2157] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2154] +++ exited with 0 +++
[pid  2160] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2154, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2157] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2157] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2160] <... futex resumed>)        = 0
[pid  2157] <... futex resumed>)        = 1
[pid  2160] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2157] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2160] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2160] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2160] <... futex resumed>)        = 1
[pid  2157] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2160] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2157] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2161 attached
 <unfinished ...>
[pid  2160] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2157] <... futex resumed>)        = 0
[pid  2161] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2157] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2161] <... set_robust_list resumed>) = 0
[pid  2161] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2160] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2161] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2160] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2161
[pid  2161] <... prctl resumed>)        = 0
[pid  2160] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2161] setpgid(0, 0 <unfinished ...>
[pid  2160] <... futex resumed>)        = 1
[pid  2157] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2161] <... setpgid resumed>)      = 0
[pid  2160] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2157] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2160] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2157] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2161] <... openat resumed>)       = 3
[pid  2160] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2157] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2162 attached
 <unfinished ...>
[pid  2161] write(3, "1000", 4 <unfinished ...>
[pid  2160] <... openat resumed>)       = 3
[pid   314] <... restart_syscall resumed>) = 0
[pid  2162] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2161] <... write resumed>)        = 4
[pid  2162] <... set_robust_list resumed>) = 0
[pid  2162] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2161] close(3 <unfinished ...>
[pid  2160] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2162
[pid  2162] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2161] <... close resumed>)        = 0
[pid  2160] <... futex resumed>)        = 1
[pid  2157] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2162] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2161] write(1, "executing program\n", 18 <unfinished ...>
[pid  2160] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2157] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2162] <... prctl resumed>)        = 0
[pid  2161] <... write resumed>)        = 18
[pid  2160] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2157] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2162] setpgid(0, 0 <unfinished ...>
[pid  2161] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2160] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2157] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2163 attached
 <unfinished ...>
[pid  2162] <... setpgid resumed>)      = 0
[pid  2161] <... futex resumed>)        = 0
[pid  2160] <... write resumed>)        = 2
[pid  2163] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2161] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2160] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2163] <... set_robust_list resumed>) = 0
[pid  2162] <... openat resumed>)       = 3
[pid  2161] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2163] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2162] write(3, "1000", 4 <unfinished ...>
[pid  2161] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2160] <... futex resumed>)        = 1
[pid  2157] <... futex resumed>)        = 0
[pid  2163] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2162] <... write resumed>)        = 4
[pid  2161] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2157] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2163] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2162] close(3 <unfinished ...>
[pid  2161] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2160] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2157] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2163
[pid  2163] <... prctl resumed>)        = 0
[pid  2162] <... close resumed>)        = 0
[pid  2161] <... mmap resumed>)         = 0x7fb4de009000
[pid  2160] <... openat resumed>)       = 4
[pid  2157] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2163] setpgid(0, 0 <unfinished ...>
[pid  2162] write(1, "executing program\n", 18 <unfinished ...>
[pid  2161] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2160] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  2163] <... setpgid resumed>)      = 0
[pid  2162] <... write resumed>)        = 18
[pid  2161] <... mprotect resumed>)     = 0
[pid  2160] <... futex resumed>)        = 1
[pid  2157] <... futex resumed>)        = 0
[pid  2163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2162] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2160] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2163] <... openat resumed>)       = 3
[pid  2162] <... futex resumed>)        = 0
[pid  2161] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2157] exit_group(0 <unfinished ...>
[pid  2163] write(3, "1000", 4 <unfinished ...>
[pid  2162] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2161] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2163] <... write resumed>)        = 4
[pid  2162] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2160] <... futex resumed>)        = ?
[pid  2157] <... exit_group resumed>)   = ?
[pid  2163] close(3 <unfinished ...>
[pid  2162] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2161] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2160] +++ exited with 0 +++
[pid  2163] <... close resumed>)        = 0
[pid  2163] write(1, "executing program\n", 18) = 18
[pid  2163] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2163] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2162] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2157] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 2164 attached
[pid  2163] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2162] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2157, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2164] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2163] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2162] <... mmap resumed>)         = 0x7fb4de009000
[pid  2161] <... clone3 resumed> => {parent_tid=[2164]}, 88) = 2164
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2164] <... set_robust_list resumed>) = 0
[pid  2163] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  2162] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2161] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2164] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2163] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2162] <... mprotect resumed>)     = 0
[pid  2161] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2164] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2163] <... mmap resumed>)         = 0x7fb4de009000
[pid  2162] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2161] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2164] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2163] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2162] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2161] <... futex resumed>)        = 0
[pid  2164] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2163] <... mprotect resumed>)     = 0
[pid  2162] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2161] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2165 attached
 <unfinished ...>
[pid  2164] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2163] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2161] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2165] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2164] <... futex resumed>)        = 0
[pid  2162] <... clone3 resumed> => {parent_tid=[2165]}, 88) = 2165
[pid  2161] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2165] <... set_robust_list resumed>) = 0
[pid  2164] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2162] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2161] <... futex resumed>)        = 0
[pid  2165] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2162] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2165] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2164] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2163] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2162] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2161] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2165] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2163] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2166 attached
 <unfinished ...>
[pid  2165] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2164] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2162] <... futex resumed>)        = 0
[pid  2166] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2165] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2164] <... futex resumed>)        = 1
[pid  2163] <... clone3 resumed> => {parent_tid=[2166]}, 88) = 2166
[pid  2161] <... futex resumed>)        = 0
[pid  2166] <... set_robust_list resumed>) = 0
[pid  2165] <... futex resumed>)        = 0
[pid  2164] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2163] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2162] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2166] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2165] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2164] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2163] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2161] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2166] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2164] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2163] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2162] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2161] <... futex resumed>)        = 0
[pid  2166] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2164] <... openat resumed>)       = 3
[pid  2163] <... futex resumed>)        = 0
[pid  2162] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2161] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2166] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2165] <... futex resumed>)        = 0
[pid  2164] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2163] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2162] <... futex resumed>)        = 1
[pid  2166] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2165] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2164] <... futex resumed>)        = 0
[pid  2162] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2161] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2166] <... futex resumed>)        = 0
[pid  2166] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2165] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2164] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2163] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2161] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2165] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2164] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2163] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2161] <... futex resumed>)        = 0
[pid  2166] <... futex resumed>)        = 0
[pid  2165] <... futex resumed>)        = 1
[pid  2164] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2163] <... futex resumed>)        = 1
[pid  2162] <... futex resumed>)        = 0
[pid  2166] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2165] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2164] <... write resumed>)        = 2
[pid  2163] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2161] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2166] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2165] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2164] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2162] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2161] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2166] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2165] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2164] <... futex resumed>)        = 0
[pid  2162] <... futex resumed>)        = 0
[pid  2161] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2166] <... futex resumed>)        = 1
[pid  2165] <... openat resumed>)       = 3
[pid  2164] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2162] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2161] <... futex resumed>)        = 0
[pid  2166] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2165] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2164] <... openat resumed>)       = 4
[pid  2163] <... futex resumed>)        = 0
[pid  2162] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2161] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2165] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2164] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2163] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2162] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2161] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] <... restart_syscall resumed>) = 0
[pid  2166] <... futex resumed>)        = 0
[pid  2165] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2164] <... futex resumed>)        = 0
[pid  2163] <... futex resumed>)        = 1
[pid  2162] <... futex resumed>)        = 0
[pid  2161] exit_group(0 <unfinished ...>
[pid  2166] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2165] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2163] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2162] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2161] <... exit_group resumed>)   = ?
[pid  2166] <... openat resumed>)       = 3
[pid  2165] <... write resumed>)        = 2
[pid  2164] +++ exited with 0 +++
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2167 attached
 <unfinished ...>
[pid  2166] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2165] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2161] +++ exited with 0 +++
[pid  2167] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2166] <... futex resumed>)        = 1
[pid  2165] <... futex resumed>)        = 1
[pid  2163] <... futex resumed>)        = 0
[pid  2162] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2161, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2167] <... set_robust_list resumed>) = 0
[pid  2166] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2165] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2162] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2163] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2167] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2163] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2167] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2166] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2165] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2162] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2167] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2166] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2165] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2162] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2167] <... prctl resumed>)        = 0
[pid  2166] <... write resumed>)        = 2
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2167
[pid  2167] setpgid(0, 0 <unfinished ...>
[pid  2166] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2165] <... openat resumed>)       = 4
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2167] <... setpgid resumed>)      = 0
[pid  2166] <... futex resumed>)        = 1
[pid  2165] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2163] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2166] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2165] <... futex resumed>)        = 1
[pid  2163] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2162] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2167] <... openat resumed>)       = 3
[pid  2166] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2165] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2163] <... futex resumed>)        = 0
[pid  2162] exit_group(0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2167] write(3, "1000", 4 <unfinished ...>
[pid  2166] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2165] <... futex resumed>)        = ?
[pid  2163] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2162] <... exit_group resumed>)   = ?
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2167] <... write resumed>)        = 4
[pid  2166] <... openat resumed>)       = 4
[pid  2165] +++ exited with 0 +++
[pid  2162] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 2168 attached
[pid  2167] close(3 <unfinished ...>
[pid  2166] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2168] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2167] <... close resumed>)        = 0
[pid  2166] <... futex resumed>)        = 1
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2162, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  2168] <... set_robust_list resumed>) = 0
[pid  2167] write(1, "executing program\n", 18 <unfinished ...>
[pid  2166] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2168] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2167] <... write resumed>)        = 18
[pid  2163] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2168] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2167] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  2163] exit_group(0 <unfinished ...>
[pid  2168] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2167] <... futex resumed>)        = 0
[pid  2166] <... futex resumed>)        = ?
[pid  2163] <... exit_group resumed>)   = ?
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2168
[pid  2168] <... prctl resumed>)        = 0
[pid  2167] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2166] +++ exited with 0 +++
[pid   313] <... restart_syscall resumed>) = 0
[pid  2168] setpgid(0, 0 <unfinished ...>
[pid  2167] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2163] +++ exited with 0 +++
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2168] <... setpgid resumed>)      = 0
[pid  2167] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2163, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2167] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2168] <... openat resumed>)       = 3
[pid  2167] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2168] write(3, "1000", 4 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2169 attached
 <unfinished ...>
[pid  2168] <... write resumed>)        = 4
[pid  2167] <... mmap resumed>)         = 0x7fb4de009000
[pid  2169] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2168] close(3 <unfinished ...>
[pid  2167] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2169
[pid  2169] <... set_robust_list resumed>) = 0
[pid  2168] <... close resumed>)        = 0
[pid  2169] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2168] write(1, "executing program\n", 18 <unfinished ...>
[pid  2167] <... mprotect resumed>)     = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2169] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2168] <... write resumed>)        = 18
[pid  2167] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2169] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2168] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2167] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2169] <... prctl resumed>)        = 0
[pid  2168] <... futex resumed>)        = 0
executing program
[pid  2167] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2170 attached
 <unfinished ...>
[pid  2169] setpgid(0, 0 <unfinished ...>
[pid  2168] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2170] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2169] <... setpgid resumed>)      = 0
[pid  2168] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2167] <... clone3 resumed> => {parent_tid=[2170]}, 88) = 2170
[pid  2170] <... set_robust_list resumed>) = 0
[pid  2169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2168] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2167] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2170] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2169] <... openat resumed>)       = 3
[pid  2168] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2167] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2170] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2169] write(3, "1000", 4 <unfinished ...>
[pid  2168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2167] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2170] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2169] <... write resumed>)        = 4
[pid  2168] <... mmap resumed>)         = 0x7fb4de009000
[pid  2167] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2171 attached
 <unfinished ...>
[pid  2170] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2169] close(3 <unfinished ...>
[pid  2168] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2167] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2171] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2169] <... close resumed>)        = 0
[pid  2170] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2168] <... mprotect resumed>)     = 0
[pid  2171] <... set_robust_list resumed>) = 0
[pid  2167] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2170] <... futex resumed>)        = 0
[pid  2169] write(1, "executing program\n", 18 <unfinished ...>
[pid  2167] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2171] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2170] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2168] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2167] <... futex resumed>)        = 0
[pid  2169] <... write resumed>)        = 18
[pid  2171] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2169] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  2167] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2171] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2170] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2169] <... futex resumed>)        = 0
[pid  2168] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2171
[pid  2171] <... prctl resumed>)        = 0
[pid  2170] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2169] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2168] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2171] setpgid(0, 0 <unfinished ...>
[pid  2170] <... futex resumed>)        = 1
[pid  2169] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2167] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2172 attached
[pid  2171] <... setpgid resumed>)      = 0
[pid  2170] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2169] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2167] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2172] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2170] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2169] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2168] <... clone3 resumed> => {parent_tid=[2172]}, 88) = 2172
[pid  2167] <... futex resumed>)        = 0
[pid  2172] <... set_robust_list resumed>) = 0
[pid  2170] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2168] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2167] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2172] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2171] <... openat resumed>)       = 3
[pid  2169] <... mmap resumed>)         = 0x7fb4de009000
[pid  2168] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2172] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2171] write(3, "1000", 4 <unfinished ...>
[pid  2170] <... openat resumed>)       = 3
[pid  2169] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2168] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2172] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2171] <... write resumed>)        = 4
[pid  2170] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2172] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2168] <... futex resumed>)        = 0
[pid  2172] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2171] close(3 <unfinished ...>
[pid  2170] <... futex resumed>)        = 1
[pid  2169] <... mprotect resumed>)     = 0
[pid  2167] <... futex resumed>)        = 0
[pid  2172] <... futex resumed>)        = 0
[pid  2170] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2168] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2167] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2172] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2171] <... close resumed>)        = 0
[pid  2170] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2169] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2168] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2167] <... futex resumed>)        = 0
[pid  2171] write(1, "executing program\n", 18 <unfinished ...>
[pid  2170] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2169] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2168] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  2167] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2172] <... futex resumed>)        = 0
[pid  2171] <... write resumed>)        = 18
[pid  2170] <... write resumed>)        = 2
[pid  2169] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2168] <... futex resumed>)        = 1
[pid  2172] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2171] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2170] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2173 attached
 <unfinished ...>
[pid  2171] <... futex resumed>)        = 0
[pid  2170] <... futex resumed>)        = 1
[pid  2168] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2172] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2173] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2171] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2170] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2167] <... futex resumed>)        = 0
[pid  2173] <... set_robust_list resumed>) = 0
[pid  2172] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2171] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2169] <... clone3 resumed> => {parent_tid=[2173]}, 88) = 2173
[pid  2167] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2173] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2172] <... futex resumed>)        = 1
[pid  2171] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2169] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2168] <... futex resumed>)        = 0
[pid  2170] <... futex resumed>)        = 0
[pid  2167] <... futex resumed>)        = 1
[pid  2173] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2172] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2171] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2170] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2169] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2168] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2167] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2173] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2172] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2171] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2173] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2172] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2171] <... mmap resumed>)         = 0x7fb4de009000
[pid  2170] <... openat resumed>)       = 4
[pid  2169] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2168] <... futex resumed>)        = 0
[pid  2173] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2172] <... openat resumed>)       = 3
[pid  2171] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2170] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2169] <... futex resumed>)        = 0
[pid  2168] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2173] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2172] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2171] <... mprotect resumed>)     = 0
[pid  2170] <... futex resumed>)        = 1
[pid  2169] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2168] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2167] <... futex resumed>)        = 0
[pid  2173] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2169] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2168] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2173] <... futex resumed>)        = 0
[pid  2170] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2167] exit_group(0 <unfinished ...>
[pid  2173] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2172] <... futex resumed>)        = 0
[pid  2169] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2168] <... futex resumed>)        = 0
[pid  2167] <... exit_group resumed>)   = ?
[pid  2173] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2172] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2171] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2170] <... futex resumed>)        = ?
[pid  2169] <... futex resumed>)        = 0
[pid  2168] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2173] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2172] <... write resumed>)        = 2
[pid  2171] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2169] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2173] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2172] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2171] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2170] +++ exited with 0 +++
[pid  2173] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2167] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 2174 attached
[pid  2173] <... futex resumed>)        = 1
[pid  2172] <... futex resumed>)        = 1
[pid  2168] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2167, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2174] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2173] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2172] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2171] <... clone3 resumed> => {parent_tid=[2174]}, 88) = 2174
[pid  2169] <... futex resumed>)        = 0
[pid  2168] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2174] <... set_robust_list resumed>) = 0
[pid  2172] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2171] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2169] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2168] <... futex resumed>)        = 0
[pid  2174] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2173] <... futex resumed>)        = 0
[pid  2172] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2171] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2169] <... futex resumed>)        = 1
[pid  2168] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2174] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2173] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2172] <... openat resumed>)       = 4
[pid  2171] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2173] <... openat resumed>)       = 3
[pid  2174] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2173] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2172] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2171] <... futex resumed>)        = 0
[pid  2169] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2168] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2174] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2173] <... futex resumed>)        = 0
[pid  2172] <... futex resumed>)        = 0
[pid  2171] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2169] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2168] exit_group(0 <unfinished ...>
[pid  2174] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2173] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2171] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2169] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2168] <... exit_group resumed>)   = ?
[pid  2174] <... futex resumed>)        = 0
[pid  2173] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2171] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2169] <... futex resumed>)        = 0
[pid  2169] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2174] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  2174] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2172] +++ exited with 0 +++
[pid  2168] +++ exited with 0 +++
[pid  2173] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2171] <... futex resumed>)        = 0
[pid  2174] <... futex resumed>)        = 0
[pid  2173] <... write resumed>)        = 2
[pid  2171] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2168, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2174] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2173] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2171] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2173] <... futex resumed>)        = 1
[pid  2171] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2169] <... futex resumed>)        = 0
[pid  2174] <... futex resumed>)        = 0
[pid  2173] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2171] <... futex resumed>)        = 1
[pid  2169] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2174] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2173] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2171] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2169] <... futex resumed>)        = 0
[pid  2174] <... openat resumed>)       = 3
[pid  2173] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2174] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2169] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2174] <... futex resumed>)        = 1
[pid  2174] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2173] <... openat resumed>)       = 4
[pid  2171] <... futex resumed>)        = 0
[pid  2173] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2171] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2174] <... futex resumed>)        = 0
[pid  2173] <... futex resumed>)        = 1
[pid  2171] <... futex resumed>)        = 1
[pid  2169] <... futex resumed>)        = 0
[pid  2173] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2171] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2174] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2169] exit_group(0 <unfinished ...>
[pid  2174] <... write resumed>)        = 2
[pid  2174] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2173] <... futex resumed>)        = ?
[pid  2169] <... exit_group resumed>)   = ?
[pid  2174] <... futex resumed>)        = 1
[pid  2171] <... futex resumed>)        = 0
[pid  2174] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2173] +++ exited with 0 +++
[pid  2171] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2174] <... futex resumed>)        = 0
[pid  2174] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2171] <... futex resumed>)        = 1
[pid  2174] <... openat resumed>)       = 4
[pid  2169] +++ exited with 0 +++
[pid  2171] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2169, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2174] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2174] <... futex resumed>)        = 1
[pid  2171] <... futex resumed>)        = 0
[pid  2171] exit_group(0)               = ?
[pid  2174] +++ exited with 0 +++
[pid  2171] +++ exited with 0 +++
[pid   315] <... restart_syscall resumed>) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2171, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2176 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2175 attached
 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2177 attached
[pid  2176] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2175] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2176
[pid  2177] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2176] <... set_robust_list resumed>) = 0
[pid  2175] <... set_robust_list resumed>) = 0
[pid  2177] <... set_robust_list resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2178 attached
[pid  2177] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2176] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2175] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2175
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2177] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2176] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2175] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2178] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2177] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2176] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2177
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2178] <... set_robust_list resumed>) = 0
[pid  2177] <... prctl resumed>)        = 0
[pid  2176] <... prctl resumed>)        = 0
[pid  2175] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2178
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2178] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2177] setpgid(0, 0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2178] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2177] <... setpgid resumed>)      = 0
[pid  2176] setpgid(0, 0 <unfinished ...>
[pid  2175] <... prctl resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2176] <... setpgid resumed>)      = 0
[pid  2178] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2175] setpgid(0, 0)               = 0
[pid  2176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2178] <... prctl resumed>)        = 0
[pid  2178] setpgid(0, 0 <unfinished ...>
[pid  2177] <... openat resumed>)       = 3
[pid  2176] <... openat resumed>)       = 3
[pid  2178] <... setpgid resumed>)      = 0
[pid  2177] write(3, "1000", 4 <unfinished ...>
[pid  2176] write(3, "1000", 4 <unfinished ...>
[pid  2175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2177] <... write resumed>)        = 4
[pid  2176] <... write resumed>)        = 4
[pid  2175] <... openat resumed>)       = 3
[pid  2178] <... openat resumed>)       = 3
[pid  2177] close(3 <unfinished ...>
[pid  2176] close(3 <unfinished ...>
[pid  2177] <... close resumed>)        = 0
[pid  2176] <... close resumed>)        = 0
[pid  2175] write(3, "1000", 4 <unfinished ...>
[pid  2178] write(3, "1000", 4 <unfinished ...>
[pid  2176] write(1, "executing program\n", 18 <unfinished ...>
[pid  2175] <... write resumed>)        = 4
[pid  2177] write(1, "executing program\n", 18 <unfinished ...>
[pid  2178] <... write resumed>)        = 4
[pid  2176] <... write resumed>)        = 18
[pid  2177] <... write resumed>)        = 18
[pid  2175] close(3 <unfinished ...>
executing program
executing program
[pid  2178] close(3 <unfinished ...>
[pid  2177] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2176] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2178] <... close resumed>)        = 0
[pid  2177] <... futex resumed>)        = 0
[pid  2175] <... close resumed>)        = 0
[pid  2177] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2178] write(1, "executing program\n", 18 <unfinished ...>
[pid  2176] <... futex resumed>)        = 0
[pid  2178] <... write resumed>)        = 18
[pid  2177] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2176] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2175] write(1, "executing program\n", 18 <unfinished ...>
[pid  2178] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2177] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2176] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2175] <... write resumed>)        = 18
[pid  2178] <... futex resumed>)        = 0
[pid  2177] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2175] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2178] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2176] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2178] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2176] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2175] <... futex resumed>)        = 0
[pid  2178] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
executing program
executing program
[pid  2176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2175] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2178] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2177] <... mmap resumed>)         = 0x7fb4de009000
[pid  2176] <... mmap resumed>)         = 0x7fb4de009000
[pid  2175] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2178] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2177] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2175] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2178] <... mmap resumed>)         = 0x7fb4de009000
[pid  2177] <... mprotect resumed>)     = 0
[pid  2176] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2175] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2178] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2176] <... mprotect resumed>)     = 0
[pid  2177] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2175] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2176] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2178] <... mprotect resumed>)     = 0
[pid  2177] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2176] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2175] <... mmap resumed>)         = 0x7fb4de009000
[pid  2177] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2176] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2175] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2178] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2175] <... mprotect resumed>)     = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2179 attached
[pid  2179] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2179] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2179] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2178] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2180 attached
[pid  2178] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2177] <... clone3 resumed> => {parent_tid=[2179]}, 88) = 2179
[pid  2176] <... clone3 resumed> => {parent_tid=[2180]}, 88) = 2180
[pid  2175] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2180] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2175] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2180] <... set_robust_list resumed>) = 0
[pid  2176] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2175] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2177] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2181 attached
 <unfinished ...>
[pid  2180] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2182 attached
 <unfinished ...>
[pid  2181] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2180] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2177] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2176] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2182] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2181] <... set_robust_list resumed>) = 0
[pid  2180] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2178] <... clone3 resumed> => {parent_tid=[2181]}, 88) = 2181
[pid  2177] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2176] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2182] <... set_robust_list resumed>) = 0
[pid  2181] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2180] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2178] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2177] <... futex resumed>)        = 1
[pid  2176] <... futex resumed>)        = 0
[pid  2175] <... clone3 resumed> => {parent_tid=[2182]}, 88) = 2182
[pid  2182] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2181] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2180] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2179] <... futex resumed>)        = 0
[pid  2178] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2177] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2176] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2175] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2182] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2181] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2180] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2179] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2178] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2182] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2181] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2180] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2179] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2178] <... futex resumed>)        = 0
[pid  2175] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2182] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2181] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2180] <... futex resumed>)        = 1
[pid  2179] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2178] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2176] <... futex resumed>)        = 0
[pid  2175] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2182] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2181] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2180] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2179] <... futex resumed>)        = 1
[pid  2177] <... futex resumed>)        = 0
[pid  2176] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2175] <... futex resumed>)        = 0
[pid  2182] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2181] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2180] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2179] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2177] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2176] <... futex resumed>)        = 0
[pid  2175] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2182] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2181] <... futex resumed>)        = 1
[pid  2180] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2179] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2178] <... futex resumed>)        = 0
[pid  2177] <... futex resumed>)        = 0
[pid  2176] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2175] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2182] <... futex resumed>)        = 0
[pid  2181] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2180] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2179] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2178] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2177] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2175] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2178] <... futex resumed>)        = 0
[pid  2175] <... futex resumed>)        = 0
[pid  2178] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2175] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2182] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2181] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2182] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2179] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2181] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2180] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2182] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2181] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2179] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2180] <... futex resumed>)        = 1
[pid  2176] <... futex resumed>)        = 0
[pid  2182] <... futex resumed>)        = 1
[pid  2181] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2180] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2179] <... futex resumed>)        = 1
[pid  2177] <... futex resumed>)        = 0
[pid  2176] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2175] <... futex resumed>)        = 0
[pid  2181] <... futex resumed>)        = 1
[pid  2180] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2178] <... futex resumed>)        = 0
[pid  2177] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2176] <... futex resumed>)        = 0
[pid  2175] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2182] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2181] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2180] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2179] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2178] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2177] <... futex resumed>)        = 0
[pid  2176] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2175] <... futex resumed>)        = 0
[pid  2182] <... openat resumed>)       = 3
[pid  2181] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2180] <... openat resumed>)       = 3
[pid  2179] <... openat resumed>)       = 3
[pid  2178] <... futex resumed>)        = 0
[pid  2177] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2175] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2182] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2181] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2180] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2179] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2178] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2177] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2175] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2182] <... futex resumed>)        = 0
[pid  2180] <... futex resumed>)        = 1
[pid  2179] <... futex resumed>)        = 0
[pid  2177] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2176] <... futex resumed>)        = 0
[pid  2175] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2182] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2181] <... openat resumed>)       = 3
[pid  2180] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2179] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2177] <... futex resumed>)        = 0
[pid  2176] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2175] <... futex resumed>)        = 0
[pid  2182] <... write resumed>)        = 2
[pid  2181] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2180] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2179] <... write resumed>)        = 2
[pid  2177] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2176] <... futex resumed>)        = 0
[pid  2175] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2182] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2181] <... futex resumed>)        = 1
[pid  2180] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2179] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2178] <... futex resumed>)        = 0
[pid  2177] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2176] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2175] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2182] <... futex resumed>)        = 0
[pid  2181] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2180] <... write resumed>)        = 2
[pid  2179] <... futex resumed>)        = 0
[pid  2178] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2177] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2175] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2182] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2181] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2179] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2178] <... futex resumed>)        = 0
[pid  2177] <... futex resumed>)        = 0
[pid  2175] <... futex resumed>)        = 0
[pid  2182] <... openat resumed>)       = 4
[pid  2180] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2182] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2181] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2180] <... futex resumed>)        = 1
[pid  2179] <... openat resumed>)       = 4
[pid  2178] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2177] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2176] <... futex resumed>)        = 0
[pid  2175] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2179] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2182] <... futex resumed>)        = 0
[pid  2181] <... write resumed>)        = 2
[pid  2179] <... futex resumed>)        = 0
[pid  2182] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2181] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2179] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2181] <... futex resumed>)        = 0
[pid  2181] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2180] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2178] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2177] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2176] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2175] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2180] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2178] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2177] exit_group(0 <unfinished ...>
[pid  2176] <... futex resumed>)        = 0
[pid  2175] exit_group(0 <unfinished ...>
[pid  2181] <... futex resumed>)        = 0
[pid  2180] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2179] <... futex resumed>)        = ?
[pid  2178] <... futex resumed>)        = 1
[pid  2177] <... exit_group resumed>)   = ?
[pid  2176] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2182] <... futex resumed>)        = ?
[pid  2181] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2180] <... openat resumed>)       = 4
[pid  2179] +++ exited with 0 +++
[pid  2178] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2177] +++ exited with 0 +++
[pid  2175] <... exit_group resumed>)   = ?
[pid  2182] +++ exited with 0 +++
[pid  2181] <... openat resumed>)       = 4
[pid  2180] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2175] +++ exited with 0 +++
[pid  2181] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2180] <... futex resumed>)        = 1
[pid  2176] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2177, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2175, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2181] <... futex resumed>)        = 1
[pid  2180] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2178] <... futex resumed>)        = 0
[pid  2176] exit_group(0 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2181] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2180] <... futex resumed>)        = ?
[pid  2178] exit_group(0 <unfinished ...>
[pid  2176] <... exit_group resumed>)   = ?
[pid  2181] <... futex resumed>)        = ?
[pid  2180] +++ exited with 0 +++
[pid  2178] <... exit_group resumed>)   = ?
[pid  2176] +++ exited with 0 +++
[pid  2181] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2176, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2178] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2178, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2183 attached
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2185 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2184 attached
 <unfinished ...>
[pid  2183] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2185] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2183] <... set_robust_list resumed>) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2183
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2185
[pid   314] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2186 attached
 <unfinished ...>
[pid  2183] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2185] <... set_robust_list resumed>) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2184
[pid  2184] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2183] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2186
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2185] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2184] <... set_robust_list resumed>) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2183] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2185] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2184] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2183] <... prctl resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2184] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2183] setpgid(0, 0 <unfinished ...>
[pid  2186] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2185] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2184] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2183] <... setpgid resumed>)      = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2186] <... set_robust_list resumed>) = 0
[pid  2186] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2186] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2186] setpgid(0, 0)               = 0
[pid  2186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2185] <... prctl resumed>)        = 0
[pid  2184] <... prctl resumed>)        = 0
[pid  2183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2185] setpgid(0, 0 <unfinished ...>
[pid  2184] setpgid(0, 0 <unfinished ...>
[pid  2186] write(3, "1000", 4 <unfinished ...>
[pid  2185] <... setpgid resumed>)      = 0
[pid  2184] <... setpgid resumed>)      = 0
[pid  2186] <... write resumed>)        = 4
[pid  2183] <... openat resumed>)       = 3
[pid  2186] close(3 <unfinished ...>
[pid  2185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2186] <... close resumed>)        = 0
[pid  2184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2183] write(3, "1000", 4 <unfinished ...>
[pid  2186] write(1, "executing program\n", 18 <unfinished ...>
[pid  2184] <... openat resumed>)       = 3
[pid  2183] <... write resumed>)        = 4
[pid  2185] <... openat resumed>)       = 3
[pid  2183] close(3 <unfinished ...>
[pid  2185] write(3, "1000", 4 <unfinished ...>
[pid  2184] write(3, "1000", 4 <unfinished ...>
[pid  2185] <... write resumed>)        = 4
[pid  2183] <... close resumed>)        = 0
[pid  2186] <... write resumed>)        = 18
[pid  2185] close(3 <unfinished ...>
[pid  2184] <... write resumed>)        = 4
[pid  2183] write(1, "executing program\n", 18 <unfinished ...>
executing program
executing program
[pid  2186] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2185] <... close resumed>)        = 0
[pid  2184] close(3 <unfinished ...>
[pid  2183] <... write resumed>)        = 18
[pid  2186] <... futex resumed>)        = 0
[pid  2184] <... close resumed>)        = 0
[pid  2186] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2186] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2183] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2186] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2185] write(1, "executing program\n", 18 <unfinished ...>
[pid  2186] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2184] write(1, "executing program\n", 18 <unfinished ...>
[pid  2183] <... futex resumed>)        = 0
[pid  2185] <... write resumed>)        = 18
executing program
executing program
[pid  2186] <... mprotect resumed>)     = 0
[pid  2184] <... write resumed>)        = 18
[pid  2183] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2185] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2184] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2183] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2186] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2185] <... futex resumed>)        = 0
[pid  2184] <... futex resumed>)        = 0
[pid  2183] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2186] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2185] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2184] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2183] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2186] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2185] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2184] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2183] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 2187 attached
 <unfinished ...>
[pid  2185] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2184] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2183] <... mmap resumed>)         = 0x7fb4de009000
[pid  2187] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2187] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2187] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2186] <... clone3 resumed> => {parent_tid=[2187]}, 88) = 2187
[pid  2186] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2186] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2187] <... futex resumed>)        = 0
[pid  2187] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2185] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2184] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2183] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2185] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2183] <... mprotect resumed>)     = 0
[pid  2185] <... mmap resumed>)         = 0x7fb4de009000
[pid  2187] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2186] <... futex resumed>)        = 1
[pid  2184] <... mmap resumed>)         = 0x7fb4de009000
[pid  2187] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2186] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2185] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2184] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2183] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2187] <... futex resumed>)        = 0
[pid  2186] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2185] <... mprotect resumed>)     = 0
[pid  2187] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2186] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2184] <... mprotect resumed>)     = 0
[pid  2183] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2187] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2186] <... futex resumed>)        = 0
[pid  2185] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2187] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2186] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2184] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2183] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2187] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2185] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2184] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2187] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2186] <... futex resumed>)        = 0
[pid  2186] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2187] <... futex resumed>)        = 1
[pid  2186] <... futex resumed>)        = 0
[pid  2187] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2186] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2185] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2184] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2188 attached
 <unfinished ...>
[pid  2187] <... openat resumed>)       = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 2189 attached
[pid  2188] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2187] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2189] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2188] <... set_robust_list resumed>) = 0
[pid  2187] <... futex resumed>)        = 1
[pid  2186] <... futex resumed>)        = 0
[pid  2189] <... set_robust_list resumed>) = 0
[pid  2188] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2187] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2186] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2189] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2188] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2187] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2186] <... futex resumed>)        = 0
[pid  2189] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2188] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2187] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2186] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2189] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2187] <... write resumed>)        = 2
[pid  2187] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2186] <... futex resumed>)        = 0
[pid  2187] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2186] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2190 attached
 <unfinished ...>
[pid  2187] <... openat resumed>)       = 4
[pid  2186] <... futex resumed>)        = 0
[pid  2185] <... clone3 resumed> => {parent_tid=[2189]}, 88) = 2189
[pid  2183] <... clone3 resumed> => {parent_tid=[2188]}, 88) = 2188
[pid  2190] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2185] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2184] <... clone3 resumed> => {parent_tid=[2190]}, 88) = 2190
[pid  2183] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2185] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2184] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2183] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2190] <... set_robust_list resumed>) = 0
[pid  2185] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2190] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2184] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2183] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2190] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2185] <... futex resumed>)        = 1
[pid  2184] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2183] <... futex resumed>)        = 1
[pid  2185] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2184] <... futex resumed>)        = 0
[pid  2183] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2184] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2189] <... futex resumed>)        = 0
[pid  2188] <... futex resumed>)        = 0
[pid  2187] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2186] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2189] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2188] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2187] <... futex resumed>)        = 0
[pid  2186] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2190] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2189] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2188] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2187] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2186] exit_group(0 <unfinished ...>
[pid  2190] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2189] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2188] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2187] <... futex resumed>)        = ?
[pid  2186] <... exit_group resumed>)   = ?
[pid  2190] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2189] <... futex resumed>)        = 1
[pid  2188] <... futex resumed>)        = 1
[pid  2187] +++ exited with 0 +++
[pid  2186] +++ exited with 0 +++
[pid  2185] <... futex resumed>)        = 0
[pid  2183] <... futex resumed>)        = 0
[pid  2190] <... futex resumed>)        = 1
[pid  2189] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2188] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2185] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2184] <... futex resumed>)        = 0
[pid  2183] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2186, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2190] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2189] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2188] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2185] <... futex resumed>)        = 0
[pid  2184] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2190] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2189] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2188] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2185] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2184] <... futex resumed>)        = 0
[pid  2183] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2190] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2189] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2188] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   315] <... restart_syscall resumed>) = 0
[pid  2190] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2189] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2188] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2184] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2183] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2190] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2189] <... futex resumed>)        = 1
[pid  2188] <... futex resumed>)        = 0
[pid  2185] <... futex resumed>)        = 0
[pid  2184] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2183] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2190] <... futex resumed>)        = 0
[pid  2189] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2188] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2185] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2184] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2183] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2190] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2189] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2188] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2185] <... futex resumed>)        = 0
[pid  2184] <... futex resumed>)        = 0
[pid  2190] <... openat resumed>)       = 3
[pid  2189] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2188] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2185] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2183] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2184] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2190] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2189] <... openat resumed>)       = 3
[pid  2188] <... openat resumed>)       = 3
[pid  2184] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2183] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2190] <... futex resumed>)        = 0
[pid  2188] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2184] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2183] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2190] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2189] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2188] <... futex resumed>)        = 0
[pid  2184] <... futex resumed>)        = 0
[pid  2183] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2190] <... write resumed>)        = 2
[pid  2189] <... futex resumed>)        = 1
[pid  2188] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2185] <... futex resumed>)        = 0
[pid  2184] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2183] <... futex resumed>)        = 0
[pid  2190] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2189] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2188] <... write resumed>)        = 2
[pid  2185] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2190] <... futex resumed>)        = 0
[pid  2189] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2188] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2185] <... futex resumed>)        = 0
[pid  2190] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2189] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2188] <... futex resumed>)        = 0
[pid  2185] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2184] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2183] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2189] <... write resumed>)        = 2
[pid  2188] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2184] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2183] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2190] <... futex resumed>)        = 0
[pid  2189] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2184] <... futex resumed>)        = 1
[pid  2183] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2190] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2189] <... futex resumed>)        = 1
[pid  2188] <... futex resumed>)        = 0
[pid  2185] <... futex resumed>)        = 0
[pid  2184] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2183] <... futex resumed>)        = 1
[pid  2189] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2188] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2183] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2189] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2185] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2191 attached
 <unfinished ...>
[pid  2190] <... openat resumed>)       = 4
[pid  2189] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2188] <... openat resumed>)       = 4
[pid  2185] <... futex resumed>)        = 0
[pid  2191] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2190] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2189] <... openat resumed>)       = 4
[pid  2185] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2191
[pid  2191] <... set_robust_list resumed>) = 0
[pid  2190] <... futex resumed>)        = 1
[pid  2188] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2184] <... futex resumed>)        = 0
[pid  2191] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2190] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2188] <... futex resumed>)        = 1
[pid  2183] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2191] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2188] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2184] exit_group(0 <unfinished ...>
[pid  2183] exit_group(0 <unfinished ...>
[pid  2191] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2184] <... exit_group resumed>)   = ?
[pid  2190] <... futex resumed>)        = ?
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2191] <... prctl resumed>)        = 0
[pid  2189] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2188] <... futex resumed>)        = ?
[pid  2183] <... exit_group resumed>)   = ?
[pid  2191] setpgid(0, 0 <unfinished ...>
[pid  2190] +++ exited with 0 +++
[pid  2189] <... futex resumed>)        = 1
[pid  2188] +++ exited with 0 +++
[pid  2185] <... futex resumed>)        = 0
[pid  2191] <... setpgid resumed>)      = 0
[pid  2189] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2185] exit_group(0 <unfinished ...>
[pid  2191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2189] <... futex resumed>)        = ?
[pid  2185] <... exit_group resumed>)   = ?
[pid  2191] <... openat resumed>)       = 3
[pid  2189] +++ exited with 0 +++
[pid  2185] +++ exited with 0 +++
[pid  2184] +++ exited with 0 +++
[pid  2183] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2185, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2184, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2191] write(3, "1000", 4 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2183, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2191] <... write resumed>)        = 4
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2191] close(3)                    = 0
[pid  2191] write(1, "executing program\n", 18) = 18
[pid  2191] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid  2191] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2191] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2191] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2191] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2191] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2191] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2192 attached
 => {parent_tid=[2192]}, 88) = 2192
[pid  2192] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2191] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2192] <... set_robust_list resumed>) = 0
[pid  2191] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2192] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2191] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2192] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2191] <... futex resumed>)        = 0
[pid  2192] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2191] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2192] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2192] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2191] <... futex resumed>)        = 0
[pid  2192] <... futex resumed>)        = 1
[pid  2191] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2192] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2191] <... futex resumed>)        = 0
[pid  2192] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2191] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2192] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2191] <... futex resumed>)        = 0
[pid  2191] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2192] <... futex resumed>)        = 1
[pid  2192] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2191] <... futex resumed>)        = 0
[pid  2192] <... openat resumed>)       = 3
[pid   313] <... restart_syscall resumed>) = 0
[pid  2192] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2191] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2192] <... futex resumed>)        = 0
[pid  2191] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2192] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2191] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2192] <... write resumed>)        = 2
[pid  2191] <... futex resumed>)        = 0
[pid  2192] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2191] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2192] <... futex resumed>)        = 0
[pid  2191] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2192] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2191] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2192] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2191] <... futex resumed>)        = 0
[pid  2192] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2191] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2193 attached
 <unfinished ...>
[pid  2192] <... openat resumed>)       = 4
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2193] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2193] <... set_robust_list resumed>) = 0
[pid  2192] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2193
ci2-android-6-12-rust/strace-static-x86_64: Process 2194 attached
[pid  2193] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2191] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2192] <... futex resumed>)        = 1
[pid  2194] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2191] exit_group(0 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2194] <... set_robust_list resumed>) = 0
[pid  2193] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2194
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2194] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2193] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2192] +++ exited with 0 +++
[pid  2191] <... exit_group resumed>)   = ?
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2194] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2193] <... prctl resumed>)        = 0
[pid  2191] +++ exited with 0 +++
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2194] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2193] setpgid(0, 0 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2191, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 2195 attached
[pid  2194] <... prctl resumed>)        = 0
[pid  2193] <... setpgid resumed>)      = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2195] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2194] setpgid(0, 0 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2195
[pid  2195] <... set_robust_list resumed>) = 0
[pid  2194] <... setpgid resumed>)      = 0
[pid  2195] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2195] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2194] <... openat resumed>)       = 3
[pid  2193] <... openat resumed>)       = 3
[pid  2195] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2194] write(3, "1000", 4 <unfinished ...>
[pid  2193] write(3, "1000", 4 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2195] <... prctl resumed>)        = 0
[pid  2194] <... write resumed>)        = 4
[pid  2195] setpgid(0, 0 <unfinished ...>
[pid  2194] close(3 <unfinished ...>
[pid  2195] <... setpgid resumed>)      = 0
[pid  2195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2194] <... close resumed>)        = 0
[pid  2193] <... write resumed>)        = 4
[pid  2193] close(3)                    = 0
[pid  2193] write(1, "executing program\n", 18) = 18
executing program
[pid  2193] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2193] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2194] write(1, "executing program\n", 18 <unfinished ...>
[pid  2193] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  2193] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2193] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2195] <... openat resumed>)       = 3
executing program
[pid  2193] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2194] <... write resumed>)        = 18
[pid  2193] <... mprotect resumed>)     = 0
[pid  2194] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2193] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2194] <... futex resumed>)        = 0
[pid  2193] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2195] write(3, "1000", 4 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2195] <... write resumed>)        = 4
[pid  2194] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2193] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2196 attached
[pid  2195] close(3 <unfinished ...>
[pid  2194] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2195] <... close resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2194] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2193] <... clone3 resumed> => {parent_tid=[2196]}, 88) = 2196
[pid  2193] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2193] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2193] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2197 attached
 <unfinished ...>
[pid  2195] write(1, "executing program\n", 18 <unfinished ...>
[pid  2194] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2197] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2195] <... write resumed>)        = 18
[pid  2197] <... set_robust_list resumed>) = 0
[pid  2194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2197
executing program
[pid  2195] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2197] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2196] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2195] <... futex resumed>)        = 0
[pid  2194] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2196] <... set_robust_list resumed>) = 0
[pid  2196] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2196] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2197] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2196] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2195] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2194] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2196] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2195] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2197] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2196] <... futex resumed>)        = 1
[pid  2195] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2194] <... mprotect resumed>)     = 0
[pid  2193] <... futex resumed>)        = 0
[pid  2197] <... prctl resumed>)        = 0
[pid  2196] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2195] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2193] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2197] setpgid(0, 0 <unfinished ...>
[pid  2196] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2193] <... futex resumed>)        = 0
[pid  2196] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2193] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2197] <... setpgid resumed>)      = 0
[pid  2196] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2194] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2196] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2193] <... futex resumed>)        = 0
[pid  2196] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2195] <... mmap resumed>)         = 0x7fb4de009000
[pid  2193] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2196] <... openat resumed>)       = 3
[pid  2195] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2194] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2193] <... futex resumed>)        = 0
[pid  2194] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2196] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2193] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2196] <... futex resumed>)        = 0
[pid  2195] <... mprotect resumed>)     = 0
[pid  2193] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2196] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2193] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2198 attached
 <unfinished ...>
[pid  2196] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2197] <... openat resumed>)       = 3
[pid  2193] <... futex resumed>)        = 0
[pid  2198] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2196] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2195] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2194] <... clone3 resumed> => {parent_tid=[2198]}, 88) = 2198
[pid  2193] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2198] <... set_robust_list resumed>) = 0
[pid  2196] <... write resumed>)        = 2
[pid  2198] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2196] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2198] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2193] <... futex resumed>)        = 0
[pid  2198] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2196] <... futex resumed>)        = 1
[pid  2193] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2196] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2193] <... futex resumed>)        = 0
[pid  2197] write(3, "1000", 4 <unfinished ...>
[pid  2196] <... openat resumed>)       = 4
[pid  2194] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2195] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2193] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2197] <... write resumed>)        = 4
[pid  2195] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2194] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2197] close(3 <unfinished ...>
[pid  2194] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2196] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2193] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2199 attached
[pid  2198] <... futex resumed>)        = 0
[pid  2197] <... close resumed>)        = 0
[pid  2196] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2194] <... futex resumed>)        = 1
[pid  2193] exit_group(0 <unfinished ...>
[pid  2199] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2198] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2197] write(1, "executing program\n", 18 <unfinished ...>
[pid  2196] <... futex resumed>)        = ?
[pid  2195] <... clone3 resumed> => {parent_tid=[2199]}, 88) = 2199
[pid  2194] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2193] <... exit_group resumed>)   = ?
executing program
[pid  2199] <... set_robust_list resumed>) = 0
[pid  2198] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2197] <... write resumed>)        = 18
[pid  2196] +++ exited with 0 +++
[pid  2195] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2193] +++ exited with 0 +++
[pid  2199] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2198] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2197] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2195] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2199] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2198] <... futex resumed>)        = 1
[pid  2197] <... futex resumed>)        = 0
[pid  2195] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2194] <... futex resumed>)        = 0
[pid  2199] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2198] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2199] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2199] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2199] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2197] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2194] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2195] <... futex resumed>)        = 1
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2193, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2199] <... futex resumed>)        = 0
[pid  2198] <... futex resumed>)        = 0
[pid  2197] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2194] <... futex resumed>)        = 1
[pid  2199] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2198] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2197] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2195] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2194] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2198] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2197] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2195] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2195] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2199] <... futex resumed>)        = 0
[pid  2198] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2199] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2198] <... futex resumed>)        = 1
[pid  2197] <... mmap resumed>)         = 0x7fb4de009000
[pid  2199] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2197] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2198] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2194] <... futex resumed>)        = 0
[pid  2199] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2197] <... mprotect resumed>)     = 0
[pid  2199] <... futex resumed>)        = 0
[pid  2199] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2197] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2197] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2201 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2200 attached
 <unfinished ...>
[pid  2195] <... futex resumed>)        = 1
[pid  2194] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2200
[pid  2195] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2194] <... futex resumed>)        = 1
[pid  2195] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2194] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2200] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2195] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2200] <... set_robust_list resumed>) = 0
[pid  2195] <... futex resumed>)        = 1
[pid  2201] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2199] <... futex resumed>)        = 0
[pid  2198] <... futex resumed>)        = 0
[pid  2197] <... clone3 resumed> => {parent_tid=[2201]}, 88) = 2201
[pid  2195] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2201] <... set_robust_list resumed>) = 0
[pid  2200] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2199] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2198] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2197] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2201] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2200] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2199] <... openat resumed>)       = 3
[pid  2198] <... openat resumed>)       = 3
[pid  2197] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2201] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2199] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2198] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2197] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2201] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2200] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2199] <... futex resumed>)        = 1
[pid  2198] <... futex resumed>)        = 1
[pid  2197] <... futex resumed>)        = 0
[pid  2195] <... futex resumed>)        = 0
[pid  2194] <... futex resumed>)        = 0
[pid  2201] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2199] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2198] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2197] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2201] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2197] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2201] <... futex resumed>)        = 0
[pid  2197] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2201] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2197] <... futex resumed>)        = 0
[pid  2201] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2197] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2195] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2200] <... prctl resumed>)        = 0
[pid  2194] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2201] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2200] setpgid(0, 0 <unfinished ...>
[pid  2199] <... futex resumed>)        = 0
[pid  2195] <... futex resumed>)        = 1
[pid  2198] <... futex resumed>)        = 0
[pid  2194] <... futex resumed>)        = 1
[pid  2201] <... futex resumed>)        = 1
[pid  2200] <... setpgid resumed>)      = 0
[pid  2199] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2198] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2197] <... futex resumed>)        = 0
[pid  2195] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2194] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2201] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2199] <... write resumed>)        = 2
[pid  2198] <... write resumed>)        = 2
[pid  2197] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2201] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2199] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2198] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2197] <... futex resumed>)        = 0
[pid  2201] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2200] <... openat resumed>)       = 3
[pid  2199] <... futex resumed>)        = 1
[pid  2198] <... futex resumed>)        = 1
[pid  2197] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2195] <... futex resumed>)        = 0
[pid  2194] <... futex resumed>)        = 0
[pid  2201] <... openat resumed>)       = 3
[pid  2200] write(3, "1000", 4 <unfinished ...>
[pid  2199] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2198] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2201] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2200] <... write resumed>)        = 4
[pid  2199] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2198] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2195] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2194] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2201] <... futex resumed>)        = 1
[pid  2200] close(3 <unfinished ...>
[pid  2199] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2198] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2197] <... futex resumed>)        = 0
[pid  2201] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2200] <... close resumed>)        = 0
[pid  2199] <... openat resumed>)       = 4
[pid  2198] <... openat resumed>)       = 4
[pid  2197] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2195] <... futex resumed>)        = 0
[pid  2194] <... futex resumed>)        = 0
[pid  2201] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2200] write(1, "executing program\n", 18 <unfinished ...>
[pid  2199] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2198] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2197] <... futex resumed>)        = 0
[pid  2195] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
executing program
[pid  2194] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2201] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2200] <... write resumed>)        = 18
[pid  2199] <... futex resumed>)        = 0
[pid  2198] <... futex resumed>)        = 0
[pid  2197] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2195] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2194] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2201] <... write resumed>)        = 2
[pid  2200] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2199] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2198] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2201] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2200] <... futex resumed>)        = 0
[pid  2194] exit_group(0 <unfinished ...>
[pid  2201] <... futex resumed>)        = 1
[pid  2200] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2197] <... futex resumed>)        = 0
[pid  2198] <... futex resumed>)        = ?
[pid  2195] exit_group(0 <unfinished ...>
[pid  2194] <... exit_group resumed>)   = ?
[pid  2201] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2200] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2199] <... futex resumed>)        = ?
[pid  2198] +++ exited with 0 +++
[pid  2197] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2195] <... exit_group resumed>)   = ?
[pid  2201] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2200] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2199] +++ exited with 0 +++
[pid  2197] <... futex resumed>)        = 0
[pid  2201] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2197] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2201] <... openat resumed>)       = 4
[pid  2201] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2197] <... futex resumed>)        = 0
[pid  2197] exit_group(0 <unfinished ...>
[pid  2201] <... futex resumed>)        = 1
[pid  2194] +++ exited with 0 +++
[pid  2200] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2197] <... exit_group resumed>)   = ?
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2194, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2201] +++ exited with 0 +++
[pid  2200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2197] +++ exited with 0 +++
[pid  2195] +++ exited with 0 +++
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2200] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2197, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2195, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2200] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2200] <... mprotect resumed>)     = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  2200] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2200] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2202 attached
 <unfinished ...>
[pid  2202] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2200] <... clone3 resumed> => {parent_tid=[2202]}, 88) = 2202
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2202] <... set_robust_list resumed>) = 0
[pid  2200] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2202] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2200] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2202] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2200] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2203 attached
[pid  2202] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2200] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2203] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2202] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2203] <... set_robust_list resumed>) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2203
[pid  2202] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2203] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2202] <... futex resumed>)        = 0
[pid  2200] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2200] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2200] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2203] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2202] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2203] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2202] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2203] <... prctl resumed>)        = 0
[pid  2203] setpgid(0, 0)               = 0
[pid  2202] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2202] <... futex resumed>)        = 1
[pid  2200] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2202] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2203] <... openat resumed>)       = 3
[pid  2200] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2200] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2203] write(3, "1000", 4ci2-android-6-12-rust/strace-static-x86_64: Process 2204 attached
 <unfinished ...>
[pid  2204] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2203] <... write resumed>)        = 4
[pid  2202] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2204
[pid  2204] <... set_robust_list resumed>) = 0
[pid  2203] close(3 <unfinished ...>
[pid  2204] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2203] <... close resumed>)        = 0
[pid  2202] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2202] <... openat resumed>)       = 3
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2204] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2203] write(1, "executing program\n", 18 <unfinished ...>
[pid  2204] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2203] <... write resumed>)        = 18
executing program
[pid  2202] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2204] <... prctl resumed>)        = 0
[pid  2203] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2202] <... futex resumed>)        = 1
[pid  2200] <... futex resumed>)        = 0
[pid  2204] setpgid(0, 0 <unfinished ...>
[pid  2203] <... futex resumed>)        = 0
[pid  2202] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2200] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2204] <... setpgid resumed>)      = 0
[pid  2203] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2202] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2200] <... futex resumed>)        = 0
[pid  2204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2203] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2200] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2203] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2204] <... openat resumed>)       = 3
[pid  2203] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2202] write(3, "\x38\x00", 2 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2202] <... write resumed>)        = 2
[pid  2202] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2204] write(3, "1000", 4 <unfinished ...>
[pid  2203] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2204] <... write resumed>)        = 4
[pid  2203] <... mmap resumed>)         = 0x7fb4de009000
[pid  2202] <... futex resumed>)        = 1
[pid  2200] <... futex resumed>)        = 0
[pid  2204] close(3 <unfinished ...>
[pid  2203] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2204] <... close resumed>)        = 0
[pid  2203] <... mprotect resumed>)     = 0
[pid  2202] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2200] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2204] write(1, "executing program\n", 18 <unfinished ...>
[pid  2203] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2202] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2200] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2202] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2204] <... write resumed>)        = 18
[pid  2203] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2200] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2204] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2203] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2202] <... openat resumed>)       = 4
ci2-android-6-12-rust/strace-static-x86_64: Process 2205 attached
[pid  2204] <... futex resumed>)        = 0
executing program
[pid  2204] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2203] <... clone3 resumed> => {parent_tid=[2205]}, 88) = 2205
[pid  2204] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2203] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2204] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2203] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2203] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2204] <... mmap resumed>)         = 0x7fb4de009000
[pid  2203] <... futex resumed>)        = 0
[pid  2204] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2203] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2204] <... mprotect resumed>)     = 0
[pid  2204] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2206 attached
[pid  2205] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2204] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2202] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2206
[pid  2205] <... set_robust_list resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2207 attached
[pid  2206] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2202] <... futex resumed>)        = 1
[pid  2200] <... futex resumed>)        = 0
[pid  2207] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2206] <... set_robust_list resumed>) = 0
[pid  2205] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2204] <... clone3 resumed> => {parent_tid=[2207]}, 88) = 2207
[pid  2202] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2200] exit_group(0 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2207] <... set_robust_list resumed>) = 0
[pid  2206] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2205] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2204] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2207] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2206] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2205] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2204] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2202] <... futex resumed>)        = ?
[pid  2200] <... exit_group resumed>)   = ?
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2207] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2206] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2204] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2204] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2206] <... prctl resumed>)        = 0
[pid  2206] setpgid(0, 0)               = 0
[pid  2206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2206] write(3, "1000", 4 <unfinished ...>
[pid  2202] +++ exited with 0 +++
[pid  2200] +++ exited with 0 +++
[pid  2207] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2205] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2207] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2200, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2207] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2205] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2207] <... futex resumed>)        = 1
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2206] <... write resumed>)        = 4
[pid  2204] <... futex resumed>)        = 0
[pid  2206] close(3 <unfinished ...>
[pid  2204] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2206] <... close resumed>)        = 0
[pid  2204] <... futex resumed>)        = 0
[pid  2206] write(1, "executing program\n", 18 <unfinished ...>
[pid  2204] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2206] <... write resumed>)        = 18
executing program
[pid  2206] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2206] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2206] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2206] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2206] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2206] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2206] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2208 attached
 <unfinished ...>
[pid  2208] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2206] <... clone3 resumed> => {parent_tid=[2208]}, 88) = 2208
[pid  2208] <... set_robust_list resumed>) = 0
[pid  2206] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2208] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2206] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2208] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2206] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2208] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2206] <... futex resumed>)        = 0
[pid  2206] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2208] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2208] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2206] <... futex resumed>)        = 0
[pid  2208] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  2206] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2208] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2206] <... futex resumed>)        = 0
[pid  2208] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2206] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2207] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2205] <... futex resumed>)        = 1
[pid  2203] <... futex resumed>)        = 0
[pid  2205] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2208] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2207] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2203] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2205] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2208] <... futex resumed>)        = 1
[pid  2206] <... futex resumed>)        = 0
[pid  2205] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2203] <... futex resumed>)        = 0
[pid  2208] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2206] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2203] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2208] <... openat resumed>)       = 3
[pid  2206] <... futex resumed>)        = 0
[pid  2205] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2208] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2207] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2206] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2205] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2208] <... futex resumed>)        = 0
[pid  2207] <... futex resumed>)        = 1
[pid  2206] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2204] <... futex resumed>)        = 0
[pid  2208] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2207] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2206] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2205] <... futex resumed>)        = 1
[pid  2204] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2203] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  2208] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2207] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2206] <... futex resumed>)        = 0
[pid  2205] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2204] <... futex resumed>)        = 0
[pid  2203] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2208] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2207] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2206] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2205] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2204] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2208] <... write resumed>)        = 2
[pid  2203] <... futex resumed>)        = 0
[pid  2208] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2207] <... openat resumed>)       = 3
[pid  2205] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2203] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2208] <... futex resumed>)        = 1
[pid  2207] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2206] <... futex resumed>)        = 0
[pid  2205] <... openat resumed>)       = 3
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2208] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2207] <... futex resumed>)        = 1
[pid  2206] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2204] <... futex resumed>)        = 0
[pid  2208] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2207] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2206] <... futex resumed>)        = 0
[pid  2205] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2204] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2208] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2207] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2206] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2204] <... futex resumed>)        = 0
[pid  2208] <... openat resumed>)       = 4
[pid  2204] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2208] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2206] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2209 attached
[pid  2208] <... futex resumed>)        = 1
[pid  2207] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2206] exit_group(0 <unfinished ...>
[pid  2208] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2207] <... write resumed>)        = 2
[pid  2205] <... futex resumed>)        = 1
[pid  2203] <... futex resumed>)        = 0
[pid  2209] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2208] <... futex resumed>)        = ?
[pid  2207] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2206] <... exit_group resumed>)   = ?
[pid  2205] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2203] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2209
[pid  2209] <... set_robust_list resumed>) = 0
[pid  2208] +++ exited with 0 +++
[pid  2207] <... futex resumed>)        = 1
[pid  2206] +++ exited with 0 +++
[pid  2205] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2204] <... futex resumed>)        = 0
[pid  2203] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2209] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2207] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2205] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2204] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2203] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2207] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2205] <... write resumed>)        = 2
[pid  2204] <... futex resumed>)        = 0
[pid  2209] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2207] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2205] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2204] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2206, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2207] <... openat resumed>)       = 4
[pid  2205] <... futex resumed>)        = 1
[pid  2203] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2207] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2205] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2209] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2207] <... futex resumed>)        = 1
[pid  2209] <... prctl resumed>)        = 0
[pid  2207] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2209] setpgid(0, 0)               = 0
[pid  2204] <... futex resumed>)        = 0
[pid  2203] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2205] <... futex resumed>)        = 0
[pid  2204] exit_group(0 <unfinished ...>
[pid  2203] <... futex resumed>)        = 1
[pid  2207] <... futex resumed>)        = ?
[pid  2205] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2204] <... exit_group resumed>)   = ?
[pid  2203] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2209] <... openat resumed>)       = 3
[pid  2207] +++ exited with 0 +++
[pid  2205] <... openat resumed>)       = 4
[pid  2204] +++ exited with 0 +++
[pid  2205] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2203] <... futex resumed>)        = 0
[pid  2205] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2203] exit_group(0 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2204, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2205] <... futex resumed>)        = ?
[pid  2203] <... exit_group resumed>)   = ?
[pid  2205] +++ exited with 0 +++
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2209] write(3, "1000", 4 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2209] <... write resumed>)        = 4
[pid  2209] close(3)                    = 0
[pid  2203] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2203, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2209] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2209] <... write resumed>)        = 18
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2209] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2209] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2209] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2209] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2209] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2209] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2210 attached
 => {parent_tid=[2210]}, 88) = 2210
[pid  2210] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2209] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2210] <... set_robust_list resumed>) = 0
[pid  2209] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2211 attached
[pid  2210] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2209] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2211
[pid  2211] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2210] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2209] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2211] <... set_robust_list resumed>) = 0
[pid  2210] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2209] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  2211] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2210] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2211] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2211] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2210] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2209] <... futex resumed>)        = 0
[pid  2210] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2209] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2211] <... prctl resumed>)        = 0
[pid  2210] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2209] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2211] setpgid(0, 0 <unfinished ...>
[pid  2210] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2209] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2211] <... setpgid resumed>)      = 0
[pid  2210] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
ci2-android-6-12-rust/strace-static-x86_64: Process 2212 attached
[pid  2211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2212] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2210] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2212] <... set_robust_list resumed>) = 0
[pid  2212] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2211] <... openat resumed>)       = 3
[pid  2210] <... futex resumed>)        = 1
[pid  2209] <... futex resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  2211] write(3, "1000", 4 <unfinished ...>
[pid  2210] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2209] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2212
[pid  2212] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2211] <... write resumed>)        = 4
[pid  2210] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2209] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2212] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2211] close(3 <unfinished ...>
[pid  2210] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2209] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2212] <... prctl resumed>)        = 0
[pid  2211] <... close resumed>)        = 0
[pid  2210] <... openat resumed>)       = 3
[pid  2211] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  2210] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2212] setpgid(0, 0 <unfinished ...>
[pid  2211] <... write resumed>)        = 18
[pid  2210] <... futex resumed>)        = 1
[pid  2209] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2212] <... setpgid resumed>)      = 0
[pid  2211] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2210] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2209] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2211] <... futex resumed>)        = 0
[pid  2210] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2209] <... futex resumed>)        = 0
[pid  2211] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2210] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2209] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2211] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2210] <... write resumed>)        = 2
[pid  2211] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2210] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2211] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2210] <... futex resumed>)        = 1
[pid  2209] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2213 attached
[pid  2211] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2210] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2209] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2213] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2211] <... mmap resumed>)         = 0x7fb4de009000
[pid  2210] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2209] <... futex resumed>)        = 0
[pid  2213] <... set_robust_list resumed>) = 0
[pid  2211] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2210] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2209] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2213] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2211] <... mprotect resumed>)     = 0
[pid  2210] <... openat resumed>)       = 4
[pid  2212] <... openat resumed>)       = 3
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2213
[pid  2213] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2212] write(3, "1000", 4 <unfinished ...>
[pid  2211] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2210] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2213] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2212] <... write resumed>)        = 4
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2212] close(3 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2213] <... prctl resumed>)        = 0
[pid  2212] <... close resumed>)        = 0
[pid  2211] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2210] <... futex resumed>)        = 1
[pid  2209] <... futex resumed>)        = 0
[pid  2213] setpgid(0, 0 <unfinished ...>
[pid  2212] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  2211] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2210] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2209] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 2214 attached
 <unfinished ...>
[pid  2213] <... setpgid resumed>)      = 0
[pid  2212] <... write resumed>)        = 18
[pid  2213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2212] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2211] <... clone3 resumed> => {parent_tid=[2214]}, 88) = 2214
[pid  2210] <... futex resumed>)        = ?
[pid  2209] <... exit_group resumed>)   = ?
[pid  2214] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2213] <... openat resumed>)       = 3
[pid  2212] <... futex resumed>)        = 0
[pid  2211] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2210] +++ exited with 0 +++
[pid  2209] +++ exited with 0 +++
[pid  2214] <... set_robust_list resumed>) = 0
[pid  2212] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2214] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2212] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2214] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2212] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2209, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2214] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2212] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2213] write(3, "1000", 4 <unfinished ...>
[pid  2212] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2211] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2213] <... write resumed>)        = 4
[pid  2211] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2213] close(3 <unfinished ...>
[pid  2212] <... mmap resumed>)         = 0x7fb4de009000
[pid  2214] <... futex resumed>)        = 0
[pid  2211] <... futex resumed>)        = 1
[pid  2213] <... close resumed>)        = 0
[pid  2212] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2211] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2214] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2213] write(1, "executing program\n", 18) = 18
[pid  2214] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2213] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2212] <... mprotect resumed>)     = 0
[pid  2214] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2213] <... futex resumed>)        = 0
[pid  2214] <... futex resumed>)        = 1
executing program
[pid  2213] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2211] <... futex resumed>)        = 0
[pid  2214] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2213] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2212] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2211] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2214] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2213] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2211] <... futex resumed>)        = 0
[pid  2213] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2211] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2213] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2213] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2213] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2213] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2215 attached
 <unfinished ...>
[pid  2215] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2213] <... clone3 resumed> => {parent_tid=[2215]}, 88) = 2215
[pid  2215] <... set_robust_list resumed>) = 0
[pid  2213] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2215] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2213] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2215] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2215] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2213] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2215] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2213] <... futex resumed>)        = 0
[pid  2215] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2213] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2215] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2215] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2213] <... futex resumed>)        = 0
[pid  2215] <... futex resumed>)        = 1
[pid  2213] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2215] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2213] <... futex resumed>)        = 0
[pid  2215] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2214] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2213] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2212] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2215] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2212] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2215] <... futex resumed>)        = 1
[pid  2213] <... futex resumed>)        = 0
[pid  2215] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2213] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2215] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2213] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2216 attached
[pid  2215] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2214] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2213] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2216] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2215] <... openat resumed>)       = 3
[pid  2214] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2212] <... clone3 resumed> => {parent_tid=[2216]}, 88) = 2216
[pid  2216] <... set_robust_list resumed>) = 0
[pid  2215] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2216] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2215] <... futex resumed>)        = 1
[pid  2214] <... futex resumed>)        = 1
[pid  2213] <... futex resumed>)        = 0
[pid  2212] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2211] <... futex resumed>)        = 0
[pid  2216] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2215] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2214] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2213] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2212] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2211] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2216] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2215] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2214] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2213] <... futex resumed>)        = 0
[pid  2212] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2211] <... futex resumed>)        = 0
[pid  2216] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2215] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2214] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2213] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2212] <... futex resumed>)        = 0
[pid  2211] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2216] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2215] <... write resumed>)        = 2
[pid  2214] <... openat resumed>)       = 3
[pid  2212] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2214] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2216] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2215] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2214] <... futex resumed>)        = 1
[pid  2211] <... futex resumed>)        = 0
[pid  2216] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2215] <... futex resumed>)        = 1
[pid  2214] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2213] <... futex resumed>)        = 0
[pid  2211] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2216] <... futex resumed>)        = 1
[pid  2215] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2214] <... write resumed>)        = 2
[pid  2213] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2212] <... futex resumed>)        = 0
[pid  2211] <... futex resumed>)        = 0
[pid  2216] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2215] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2214] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2213] <... futex resumed>)        = 0
[pid  2212] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2211] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2216] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2215] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2214] <... futex resumed>)        = 0
[pid  2213] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2212] <... futex resumed>)        = 0
[pid  2211] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2216] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2215] <... openat resumed>)       = 4
[pid  2214] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2212] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2216] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2215] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2211] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2216] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2215] <... futex resumed>)        = 1
[pid  2213] <... futex resumed>)        = 0
[pid  2211] <... futex resumed>)        = 1
[pid  2216] <... futex resumed>)        = 1
[pid  2215] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2214] <... futex resumed>)        = 0
[pid  2213] exit_group(0 <unfinished ...>
[pid  2212] <... futex resumed>)        = 0
[pid  2211] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2216] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2215] <... futex resumed>)        = ?
[pid  2214] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2213] <... exit_group resumed>)   = ?
[pid  2212] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2216] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2215] +++ exited with 0 +++
[pid  2214] <... openat resumed>)       = 4
[pid  2213] +++ exited with 0 +++
[pid  2212] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2213, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2214] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2212] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2216] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2214] <... futex resumed>)        = 1
[pid  2211] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2216] <... openat resumed>)       = 3
[pid  2214] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2211] exit_group(0 <unfinished ...>
[pid  2216] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2214] <... futex resumed>)        = ?
[pid  2211] <... exit_group resumed>)   = ?
[pid  2216] <... futex resumed>)        = 1
[pid  2212] <... futex resumed>)        = 0
[pid  2216] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  2212] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2216] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2212] <... futex resumed>)        = 0
[pid  2216] <... write resumed>)        = 2
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2216] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2212] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2216] <... futex resumed>)        = 0
[pid  2216] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 2217 attached
 <unfinished ...>
[pid  2217] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2217
[pid  2217] <... set_robust_list resumed>) = 0
[pid  2214] +++ exited with 0 +++
[pid  2212] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2211] +++ exited with 0 +++
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2217] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2212] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2217] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2217] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2216] <... futex resumed>)        = 0
[pid  2212] <... futex resumed>)        = 1
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2211, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2217] <... prctl resumed>)        = 0
[pid  2216] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2212] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2217] setpgid(0, 0 <unfinished ...>
[pid  2216] <... openat resumed>)       = 4
[pid  2217] <... setpgid resumed>)      = 0
[pid  2217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2216] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2218 attached
 <unfinished ...>
[pid  2217] <... openat resumed>)       = 3
[pid  2216] <... futex resumed>)        = 0
[pid  2212] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2218
[pid  2218] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2216] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2217] write(3, "1000", 4)         = 4
[pid  2212] exit_group(0 <unfinished ...>
[pid  2217] close(3 <unfinished ...>
[pid  2218] <... set_robust_list resumed>) = 0
[pid  2217] <... close resumed>)        = 0
[pid  2216] <... futex resumed>)        = ?
[pid  2212] <... exit_group resumed>)   = ?
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2218] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2216] +++ exited with 0 +++
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2217] write(1, "executing program\n", 18) = 18
[pid  2217] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2217] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2217] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2217] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2212] +++ exited with 0 +++
executing program
[pid  2217] <... mprotect resumed>)     = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2212, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2217] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2217] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2217] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2219 attached
 <unfinished ...>
[pid  2219] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2217] <... clone3 resumed> => {parent_tid=[2219]}, 88) = 2219
[pid  2219] <... set_robust_list resumed>) = 0
[pid  2217] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2219] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2218] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2217] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  2219] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2217] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2219] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2218] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2217] <... futex resumed>)        = 0
[pid  2218] <... prctl resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2218] setpgid(0, 0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2218] <... setpgid resumed>)      = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2219] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2217] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2219] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2219] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2217] <... futex resumed>)        = 0
[pid  2219] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2217] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2219] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2217] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2220 attached
[pid  2219] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2217] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2220
[pid  2220] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2219] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2219] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2220] <... set_robust_list resumed>) = 0
[pid  2218] <... openat resumed>)       = 3
[pid  2219] <... futex resumed>)        = 1
[pid  2217] <... futex resumed>)        = 0
[pid  2219] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2217] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2220] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2219] <... openat resumed>)       = 3
[pid  2218] write(3, "1000", 4 <unfinished ...>
[pid  2217] <... futex resumed>)        = 0
[pid  2220] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2219] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2218] <... write resumed>)        = 4
[pid  2217] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2219] <... futex resumed>)        = 0
[pid  2217] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2219] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2217] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2220] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2219] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2217] <... futex resumed>)        = 0
[pid  2219] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2217] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2220] <... prctl resumed>)        = 0
[pid  2219] <... write resumed>)        = 2
[pid  2218] close(3 <unfinished ...>
[pid  2220] setpgid(0, 0 <unfinished ...>
[pid  2218] <... close resumed>)        = 0
[pid  2220] <... setpgid resumed>)      = 0
[pid  2218] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  2219] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2218] <... write resumed>)        = 18
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2219] <... futex resumed>)        = 1
[pid  2218] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2217] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2219] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2218] <... futex resumed>)        = 0
[pid  2217] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2220] <... openat resumed>)       = 3
[pid  2219] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2218] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2217] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2221 attached
[pid  2219] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2217] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2219] <... openat resumed>)       = 4
[pid  2218] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2221] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2220] write(3, "1000", 4 <unfinished ...>
[pid  2221] <... set_robust_list resumed>) = 0
[pid  2218] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2220] <... write resumed>)        = 4
[pid  2218] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2219] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2221
[pid  2221] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2220] close(3 <unfinished ...>
[pid  2219] <... futex resumed>)        = 1
[pid  2217] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2218] <... mmap resumed>)         = 0x7fb4de009000
[pid  2221] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2220] <... close resumed>)        = 0
[pid  2219] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2218] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2217] exit_group(0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2219] <... futex resumed>)        = ?
[pid  2217] <... exit_group resumed>)   = ?
[pid  2221] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2220] write(1, "executing program\n", 18 <unfinished ...>
[pid  2219] +++ exited with 0 +++
[pid  2218] <... mprotect resumed>)     = 0
[pid  2217] +++ exited with 0 +++
[pid  2221] <... prctl resumed>)        = 0
[pid  2220] <... write resumed>)        = 18
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2217, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
executing program
[pid  2221] setpgid(0, 0 <unfinished ...>
[pid  2220] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2218] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2221] <... setpgid resumed>)      = 0
[pid  2220] <... futex resumed>)        = 0
[pid  2218] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2220] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2220] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2218] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2220] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 2222 attached
, NULL, 8) = 0
[pid  2222] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2221] <... openat resumed>)       = 3
[pid  2220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2218] <... clone3 resumed> => {parent_tid=[2222]}, 88) = 2222
[pid  2222] <... set_robust_list resumed>) = 0
[pid  2220] <... mmap resumed>)         = 0x7fb4de009000
[pid  2218] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2222] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2220] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2222] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2218] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2220] <... mprotect resumed>)     = 0
[pid  2222] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2218] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2222] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2221] write(3, "1000", 4 <unfinished ...>
[pid  2220] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2218] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  2222] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2221] <... write resumed>)        = 4
[pid  2222] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2221] close(3 <unfinished ...>
[pid  2220] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2218] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2222] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2221] <... close resumed>)        = 0
[pid  2220] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2222] <... futex resumed>)        = 0
[pid  2221] write(1, "executing program\n", 18 <unfinished ...>
[pid  2218] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2221] <... write resumed>)        = 18
executing program
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2223 attached
 <unfinished ...>
[pid  2222] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2221] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2218] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2223] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2222] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2221] <... futex resumed>)        = 0
[pid  2218] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2224 attached
[pid  2223] <... set_robust_list resumed>) = 0
[pid  2222] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2220] <... clone3 resumed> => {parent_tid=[2223]}, 88) = 2223
[pid  2218] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2223] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2220] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2221] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2224
[pid  2224] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2222] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2221] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2224] <... set_robust_list resumed>) = 0
[pid  2223] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2222] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2221] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2220] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2224] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2223] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2222] <... futex resumed>)        = 1
[pid  2221] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2218] <... futex resumed>)        = 0
[pid  2224] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2222] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2221] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2220] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2218] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2224] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2223] <... futex resumed>)        = 0
[pid  2222] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2221] <... mmap resumed>)         = 0x7fb4de009000
[pid  2220] <... futex resumed>)        = 1
[pid  2218] <... futex resumed>)        = 0
[pid  2224] <... prctl resumed>)        = 0
[pid  2223] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2222] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2221] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2220] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2218] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2224] setpgid(0, 0 <unfinished ...>
[pid  2223] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2222] <... openat resumed>)       = 3
[pid  2221] <... mprotect resumed>)     = 0
[pid  2224] <... setpgid resumed>)      = 0
[pid  2223] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2221] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2223] <... futex resumed>)        = 1
[pid  2222] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2220] <... futex resumed>)        = 0
[pid  2223] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2220] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2223] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2220] <... futex resumed>)        = 0
[pid  2224] <... openat resumed>)       = 3
[pid  2223] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2222] <... futex resumed>)        = 1
[pid  2221] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2220] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2218] <... futex resumed>)        = 0
[pid  2224] write(3, "1000", 4 <unfinished ...>
[pid  2222] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2221] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2218] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2225 attached
 <unfinished ...>
[pid  2224] <... write resumed>)        = 4
[pid  2223] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2222] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2218] <... futex resumed>)        = 0
[pid  2224] close(3 <unfinished ...>
[pid  2222] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2221] <... clone3 resumed> => {parent_tid=[2225]}, 88) = 2225
[pid  2224] <... close resumed>)        = 0
[pid  2222] <... write resumed>)        = 2
[pid  2224] write(1, "executing program\n", 18 <unfinished ...>
[pid  2222] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2221] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2224] <... write resumed>)        = 18
[pid  2222] <... futex resumed>)        = 0
[pid  2221] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2224] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2222] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2221] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2224] <... futex resumed>)        = 0
executing program
[pid  2221] <... futex resumed>)        = 0
[pid  2224] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2221] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2224] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2224] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2224] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2224] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2224] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2224] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2223] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2225] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2223] <... futex resumed>)        = 1
[pid  2225] <... set_robust_list resumed>) = 0
[pid  2220] <... futex resumed>)        = 0
[pid  2218] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2225] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2223] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2220] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2225] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2223] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2220] <... futex resumed>)        = 0
[pid  2218] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2225] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2223] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2220] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2218] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2226 attached
 <unfinished ...>
[pid  2225] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2224] <... clone3 resumed> => {parent_tid=[2226]}, 88) = 2226
[pid  2223] <... openat resumed>)       = 3
[pid  2222] <... futex resumed>)        = 0
[pid  2218] <... futex resumed>)        = 1
[pid  2226] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2225] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2224] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2223] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2222] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2218] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2226] <... set_robust_list resumed>) = 0
[pid  2225] <... futex resumed>)        = 1
[pid  2224] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2223] <... futex resumed>)        = 1
[pid  2222] <... openat resumed>)       = 4
[pid  2221] <... futex resumed>)        = 0
[pid  2220] <... futex resumed>)        = 0
[pid  2226] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2225] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2224] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2223] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2220] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2226] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2224] <... futex resumed>)        = 0
[pid  2222] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2221] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2223] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2220] <... futex resumed>)        = 0
[pid  2225] <... futex resumed>)        = 0
[pid  2224] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2222] <... futex resumed>)        = 1
[pid  2221] <... futex resumed>)        = 1
[pid  2218] <... futex resumed>)        = 0
[pid  2225] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2223] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2222] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2221] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2220] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2218] exit_group(0 <unfinished ...>
[pid  2225] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2223] <... write resumed>)        = 2
[pid  2222] <... futex resumed>)        = ?
[pid  2218] <... exit_group resumed>)   = ?
[pid  2226] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2225] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2223] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2222] +++ exited with 0 +++
[pid  2218] +++ exited with 0 +++
[pid  2226] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2225] <... futex resumed>)        = 1
[pid  2223] <... futex resumed>)        = 1
[pid  2221] <... futex resumed>)        = 0
[pid  2220] <... futex resumed>)        = 0
[pid  2225] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2221] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2225] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2221] <... futex resumed>)        = 0
[pid  2225] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2221] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2225] <... openat resumed>)       = 3
[pid  2225] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2221] <... futex resumed>)        = 0
[pid  2225] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2221] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2225] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2221] <... futex resumed>)        = 0
[pid  2225] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2221] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2220] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2218, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2220] <... futex resumed>)        = 0
[pid  2226] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2223] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2220] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2226] <... futex resumed>)        = 1
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2225] <... write resumed>)        = 2
[pid  2224] <... futex resumed>)        = 0
[pid  2223] <... openat resumed>)       = 4
[pid  2226] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2225] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2224] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2226] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2225] <... futex resumed>)        = 1
[pid  2224] <... futex resumed>)        = 0
[pid  2221] <... futex resumed>)        = 0
[pid  2226] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2225] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2224] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2223] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2221] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2225] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2221] <... futex resumed>)        = 0
[pid  2226] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2225] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2221] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2226] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2225] <... openat resumed>)       = 4
[pid  2223] <... futex resumed>)        = 1
[pid  2220] <... futex resumed>)        = 0
[pid  2225] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2221] <... futex resumed>)        = 0
[pid  2221] exit_group(0)               = ?
[pid  2220] exit_group(0 <unfinished ...>
[pid  2226] <... futex resumed>)        = 1
[pid  2225] <... futex resumed>)        = ?
[pid  2224] <... futex resumed>)        = 0
[pid  2223] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2226] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2225] +++ exited with 0 +++
[pid  2224] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2223] +++ exited with 0 +++
[pid  2221] +++ exited with 0 +++
[pid  2220] <... exit_group resumed>)   = ?
[pid   312] <... restart_syscall resumed>) = 0
[pid  2226] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2224] <... futex resumed>)        = 0
[pid  2226] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2224] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2221, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  2226] <... openat resumed>)       = 3
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2226] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2226] <... futex resumed>)        = 1
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2226] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2224] <... futex resumed>)        = 0
[pid  2224] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2224] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2227
ci2-android-6-12-rust/strace-static-x86_64: Process 2227 attached
[pid  2226] <... futex resumed>)        = 0
[pid  2226] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2227] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2226] <... write resumed>)        = 2
[pid  2220] +++ exited with 0 +++
[pid  2226] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2227] <... set_robust_list resumed>) = 0
[pid  2226] <... futex resumed>)        = 1
[pid  2227] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2226] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2224] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2220, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2227] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2224] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2226] <... futex resumed>)        = 0
[pid  2224] <... futex resumed>)        = 1
[pid  2226] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2224] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2227] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2226] <... openat resumed>)       = 4
[pid  2227] <... prctl resumed>)        = 0
[pid  2226] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2227] setpgid(0, 0 <unfinished ...>
[pid  2226] <... futex resumed>)        = 1
[pid  2224] <... futex resumed>)        = 0
[pid  2227] <... setpgid resumed>)      = 0
[pid  2226] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2224] exit_group(0 <unfinished ...>
[pid  2227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2226] <... futex resumed>)        = ?
[pid  2224] <... exit_group resumed>)   = ?
[pid  2226] +++ exited with 0 +++
[pid  2227] <... openat resumed>)       = 3
[pid  2227] write(3, "1000", 4)         = 4
[pid  2224] +++ exited with 0 +++
[pid  2227] close(3)                    = 0
[pid  2227] write(1, "executing program\n", 18) = 18
executing program
[pid  2227] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2227] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2227] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2227] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2227] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2227] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2224, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2227] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2227] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2228 attached
 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2227] <... clone3 resumed> => {parent_tid=[2228]}, 88) = 2228
[pid  2228] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2227] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2228] <... set_robust_list resumed>) = 0
[pid  2227] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2228] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2227] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2227] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2228] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2228] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  2228] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2229
[pid  2228] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 2229 attached
[pid  2228] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2227] <... futex resumed>)        = 0
[pid  2229] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2227] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2227] <... futex resumed>)        = 1
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2227] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2229] <... set_robust_list resumed>) = 0
[pid  2229] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2229] setpgid(0, 0)               = 0
[pid  2229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2228] <... futex resumed>)        = 0
[pid  2229] <... openat resumed>)       = 3
[pid  2228] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2229] write(3, "1000", 4)         = 4
[pid  2229] close(3)                    = 0
[pid  2229] write(1, "executing program\n", 18 <unfinished ...>
[pid  2228] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2229] <... write resumed>)        = 18
[pid  2228] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2229] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2228] <... futex resumed>)        = 1
[pid  2227] <... futex resumed>)        = 0
executing program
[pid  2228] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2229] <... futex resumed>)        = 0
[pid  2227] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2229] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2227] <... futex resumed>)        = 1
[pid  2229] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2228] <... futex resumed>)        = 0
[pid  2227] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2229] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2228] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2229] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2228] <... openat resumed>)       = 3
[pid  2229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2228] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2229] <... mmap resumed>)         = 0x7fb4de009000
[pid  2229] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2228] <... futex resumed>)        = 1
[pid  2228] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2227] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2229] <... mprotect resumed>)     = 0
[pid  2228] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2227] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2228] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2229] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2229] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2227] <... futex resumed>)        = 0
[pid  2227] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2228] <... write resumed>)        = 2
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2228] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2231 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2230 attached
[pid  2228] <... futex resumed>)        = 1
[pid  2227] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2231] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2230] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2229] <... clone3 resumed> => {parent_tid=[2231]}, 88) = 2231
[pid  2228] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2227] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2227] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2230
ci2-android-6-12-rust/strace-static-x86_64: Process 2232 attached
[pid  2231] <... set_robust_list resumed>) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2229] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2232] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2231] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2230] <... set_robust_list resumed>) = 0
[pid  2228] <... openat resumed>)       = 4
[pid  2232] <... set_robust_list resumed>) = 0
[pid  2231] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2229] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2228] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2232] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2231] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2232] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2229] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2228] <... futex resumed>)        = 1
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2232
[pid  2231] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2230] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2229] <... futex resumed>)        = 0
[pid  2228] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2232] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2230] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2229] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2232] <... prctl resumed>)        = 0
[pid  2231] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2230] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2232] setpgid(0, 0 <unfinished ...>
[pid  2231] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2230] <... prctl resumed>)        = 0
[pid  2232] <... setpgid resumed>)      = 0
[pid  2231] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2230] setpgid(0, 0 <unfinished ...>
[pid  2232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2231] <... futex resumed>)        = 1
[pid  2230] <... setpgid resumed>)      = 0
[pid  2229] <... futex resumed>)        = 0
[pid  2227] <... futex resumed>)        = 0
[pid  2227] exit_group(0 <unfinished ...>
[pid  2228] <... futex resumed>)        = ?
[pid  2227] <... exit_group resumed>)   = ?
[pid  2232] <... openat resumed>)       = 3
[pid  2231] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2229] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2228] +++ exited with 0 +++
[pid  2227] +++ exited with 0 +++
[pid  2232] write(3, "1000", 4 <unfinished ...>
[pid  2231] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2229] <... futex resumed>)        = 0
[pid  2232] <... write resumed>)        = 4
[pid  2231] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2229] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2232] close(3)                    = 0
[pid  2231] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2230] <... openat resumed>)       = 3
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2227, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2232] write(1, "executing program\n", 18 <unfinished ...>
[pid  2230] write(3, "1000", 4 <unfinished ...>
[pid  2232] <... write resumed>)        = 18
[pid  2231] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2230] <... write resumed>)        = 4
executing program
[pid  2232] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2231] <... futex resumed>)        = 1
[pid  2230] close(3 <unfinished ...>
[pid  2229] <... futex resumed>)        = 0
[pid  2229] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2230] <... close resumed>)        = 0
[pid  2229] <... futex resumed>)        = 0
[pid  2231] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2229] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2232] <... futex resumed>)        = 0
[pid  2230] write(1, "executing program\n", 18 <unfinished ...>
[pid  2231] <... openat resumed>)       = 3
[pid  2232] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2230] <... write resumed>)        = 18
[pid  2232] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2231] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2229] <... futex resumed>)        = 0
executing program
[pid  2230] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2232] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2230] <... futex resumed>)        = 0
[pid  2229] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2232] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2231] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2230] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2229] <... futex resumed>)        = 0
[pid  2232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2231] <... write resumed>)        = 2
[pid  2231] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2230] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2229] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2231] <... futex resumed>)        = 0
[pid  2231] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2232] <... mmap resumed>)         = 0x7fb4de009000
[pid  2232] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2230] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2229] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2230] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2229] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2229] <... futex resumed>)        = 1
[pid  2232] <... mprotect resumed>)     = 0
[pid  2231] <... futex resumed>)        = 0
[pid  2230] <... mmap resumed>)         = 0x7fb4de009000
[pid  2229] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2232] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2231] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2230] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2232] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2231] <... openat resumed>)       = 4
[pid  2232] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2231] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2230] <... mprotect resumed>)     = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2233 attached
[pid  2232] <... clone3 resumed> => {parent_tid=[2233]}, 88) = 2233
[pid  2231] <... futex resumed>)        = 1
[pid  2233] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2232] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2231] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2230] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2229] <... futex resumed>)        = 0
[pid  2233] <... set_robust_list resumed>) = 0
[pid  2232] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2233] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2229] exit_group(0 <unfinished ...>
[pid  2233] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2230] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2233] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2232] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2231] <... futex resumed>)        = ?
[pid  2230] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2229] <... exit_group resumed>)   = ?
[pid  2233] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2232] <... futex resumed>)        = 0
[pid  2231] +++ exited with 0 +++
[pid  2232] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2233] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2232] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2233] <... futex resumed>)        = 0
[pid  2232] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2234 attached
 <unfinished ...>
[pid  2233] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2232] <... futex resumed>)        = 0
[pid  2234] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2233] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2232] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2234] <... set_robust_list resumed>) = 0
[pid  2234] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2233] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2234] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2233] <... futex resumed>)        = 1
[pid  2232] <... futex resumed>)        = 0
[pid  2233] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2232] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2229] +++ exited with 0 +++
[pid  2233] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2232] <... futex resumed>)        = 0
[pid  2233] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2232] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2229, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2233] <... openat resumed>)       = 3
[pid  2230] <... clone3 resumed> => {parent_tid=[2234]}, 88) = 2234
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2230] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2233] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2232] <... futex resumed>)        = 0
[pid  2230] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2233] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2232] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2233] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2232] <... futex resumed>)        = 0
[pid  2233] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2232] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2230] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2234] <... futex resumed>)        = 0
[pid  2233] <... write resumed>)        = 2
[pid  2230] <... futex resumed>)        = 1
[pid  2233] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2234] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2230] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2234] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2234] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2233] <... futex resumed>)        = 1
[pid  2232] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2233] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2232] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2230] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2234] <... futex resumed>)        = 1
[pid  2233] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2232] <... futex resumed>)        = 0
[pid  2230] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2234] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2233] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2232] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2234] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2233] <... openat resumed>)       = 4
[pid  2230] <... futex resumed>)        = 0
[pid  2230] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2234] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2230] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2234] <... futex resumed>)        = 0
[pid  2230] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2235 attached
 <unfinished ...>
[pid  2234] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2230] <... futex resumed>)        = 0
[pid  2230] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2233] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2235
[pid  2235] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2234] <... openat resumed>)       = 3
[pid  2233] <... futex resumed>)        = 1
[pid  2232] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2233] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2232] exit_group(0 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2233] <... futex resumed>)        = ?
[pid  2232] <... exit_group resumed>)   = ?
[pid  2235] <... set_robust_list resumed>) = 0
[pid  2234] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2233] +++ exited with 0 +++
[pid  2232] +++ exited with 0 +++
[pid  2235] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2234] <... futex resumed>)        = 1
[pid  2230] <... futex resumed>)        = 0
[pid  2235] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2234] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2230] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2234] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2230] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2232, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2234] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2230] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2234] <... write resumed>)        = 2
[pid  2235] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2234] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2235] <... prctl resumed>)        = 0
[pid  2234] <... futex resumed>)        = 1
[pid  2230] <... futex resumed>)        = 0
[pid  2235] setpgid(0, 0 <unfinished ...>
[pid  2234] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2235] <... setpgid resumed>)      = 0
[pid  2230] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2234] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2234] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2230] <... futex resumed>)        = 0
[pid  2230] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2235] <... openat resumed>)       = 3
[pid  2235] write(3, "1000", 4 <unfinished ...>
[pid  2234] <... openat resumed>)       = 4
[pid  2235] <... write resumed>)        = 4
[pid  2235] close(3)                    = 0
[pid  2234] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2235] write(1, "executing program\n", 18) = 18
executing program
[pid  2235] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2234] <... futex resumed>)        = 1
[pid  2230] <... futex resumed>)        = 0
[pid  2234] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2235] <... futex resumed>)        = 0
[pid  2235] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2230] exit_group(0 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2235] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2234] <... futex resumed>)        = ?
[pid  2230] <... exit_group resumed>)   = ?
[pid  2235] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2234] +++ exited with 0 +++
[pid  2235] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2235] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2230] +++ exited with 0 +++
[pid  2235] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2236 attached
, [], 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2230, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2235] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2236] set_robust_list(0x55557716c6a0, 24) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2236
[pid  2235] <... clone3 resumed> => {parent_tid=[2237]}, 88) = 2237
ci2-android-6-12-rust/strace-static-x86_64: Process 2237 attached
[pid  2235] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2236] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2235] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2235] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2237] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2236] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2235] <... futex resumed>)        = 0
[pid  2237] <... set_robust_list resumed>) = 0
[pid  2235] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2237] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2236] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2237] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2236] <... prctl resumed>)        = 0
[pid  2237] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2236] setpgid(0, 0 <unfinished ...>
[pid  2237] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2236] <... setpgid resumed>)      = 0
[pid  2236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2237] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2236] write(3, "1000", 4 <unfinished ...>
[pid  2237] <... futex resumed>)        = 1
[pid  2235] <... futex resumed>)        = 0
[pid  2235] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2236] <... write resumed>)        = 4
[pid  2237] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2235] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2236] close(3 <unfinished ...>
[pid  2237] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2236] <... close resumed>)        = 0
[pid  2236] write(1, "executing program\n", 18 <unfinished ...>
[pid  2237] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2236] <... write resumed>)        = 18
[pid  2237] <... futex resumed>)        = 1
executing program
[pid  2237] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2236] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2235] <... futex resumed>)        = 0
[pid  2236] <... futex resumed>)        = 0
[pid  2235] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2236] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2235] <... futex resumed>)        = 1
[pid  2237] <... futex resumed>)        = 0
[pid  2236] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2235] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2237] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2236] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2237] <... openat resumed>)       = 3
[pid  2236] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2237] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2237] <... futex resumed>)        = 1
[pid  2237] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2236] <... mmap resumed>)         = 0x7fb4de009000
[pid  2235] <... futex resumed>)        = 0
[pid  2236] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2235] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2236] <... mprotect resumed>)     = 0
[pid  2235] <... futex resumed>)        = 1
[pid  2237] <... futex resumed>)        = 0
[pid  2236] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2235] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2237] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2236] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  2237] <... write resumed>)        = 2
[pid  2236] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2237] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2238 attached
) = 1
[pid  2238] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2235] <... futex resumed>)        = 0
[pid  2237] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2236] <... clone3 resumed> => {parent_tid=[2238]}, 88) = 2238
[pid  2235] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2238] <... set_robust_list resumed>) = 0
[pid  2237] <... futex resumed>)        = 0
[pid  2235] <... futex resumed>)        = 1
[pid  2237] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2236] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2235] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2238] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2238] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2237] <... openat resumed>)       = 4
[pid  2236] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2237] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2236] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2238] <... futex resumed>)        = 0
[pid  2237] <... futex resumed>)        = 1
[pid  2236] <... futex resumed>)        = 1
[pid  2235] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  2238] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2237] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2236] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2238] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2235] exit_group(0 <unfinished ...>
[pid  2238] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2238] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 2239 attached
 <unfinished ...>
[pid  2236] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2235] <... exit_group resumed>)   = ?
[pid  2237] <... futex resumed>)        = ?
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2239
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2239] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2237] +++ exited with 0 +++
[pid  2235] +++ exited with 0 +++
[pid  2236] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2238] <... futex resumed>)        = 0
[pid  2236] <... futex resumed>)        = 1
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2238] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2236] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2239] <... set_robust_list resumed>) = 0
[pid  2238] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2239] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2235, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2239] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 2240 attached
 <unfinished ...>
[pid  2239] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2238] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2240] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2238] <... futex resumed>)        = 1
[pid  2240] <... set_robust_list resumed>) = 0
[pid  2236] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2240
[pid  2238] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2240] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2239] <... prctl resumed>)        = 0
[pid  2238] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2236] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2239] setpgid(0, 0)               = 0
[pid  2239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2240] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2239] <... openat resumed>)       = 3
[pid  2238] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2236] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2239] write(3, "1000", 4)         = 4
[pid  2238] <... openat resumed>)       = 3
[pid  2236] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2238] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2240] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2238] <... futex resumed>)        = 0
[pid  2236] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2238] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2236] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2238] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2236] <... futex resumed>)        = 0
[pid  2238] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2236] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2240] <... prctl resumed>)        = 0
[pid  2238] <... write resumed>)        = 2
[pid  2240] setpgid(0, 0 <unfinished ...>
[pid  2238] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2240] <... setpgid resumed>)      = 0
[pid  2239] close(3 <unfinished ...>
[pid  2238] <... futex resumed>)        = 1
[pid  2236] <... futex resumed>)        = 0
[pid  2240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2239] <... close resumed>)        = 0
[pid  2238] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2236] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2239] write(1, "executing program\n", 18) = 18
[pid  2239] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2239] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2236] <... futex resumed>)        = 0
[pid  2239] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2236] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2238] <... openat resumed>)       = 4
executing program
[pid  2239] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2240] <... openat resumed>)       = 3
[pid  2239] <... mmap resumed>)         = 0x7fb4de009000
[pid  2238] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2239] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2240] write(3, "1000", 4 <unfinished ...>
[pid  2239] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2238] <... futex resumed>)        = 1
[pid  2236] <... futex resumed>)        = 0
[pid  2240] <... write resumed>)        = 4
[pid  2239] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2238] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2240] close(3 <unfinished ...>
[pid  2239] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2236] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 2241 attached
 <unfinished ...>
[pid  2240] <... close resumed>)        = 0
[pid  2239] <... clone3 resumed> => {parent_tid=[2241]}, 88) = 2241
[pid  2240] write(1, "executing program\n", 18 <unfinished ...>
[pid  2238] <... futex resumed>)        = ?
[pid  2236] <... exit_group resumed>)   = ?
[pid  2241] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2240] <... write resumed>)        = 18
[pid  2238] +++ exited with 0 +++
[pid  2239] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2239] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid  2239] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2241] <... set_robust_list resumed>) = 0
[pid  2241] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2240] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2236] +++ exited with 0 +++
[pid  2241] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2240] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2236, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2241] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2240] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2241] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2240] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2241] <... futex resumed>)        = 1
[pid  2240] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2241] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2240] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2239] <... futex resumed>)        = 0
[pid  2239] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2239] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2240] <... mmap resumed>)         = 0x7fb4de009000
[pid  2241] <... futex resumed>)        = 0
[pid  2241] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2240] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2241] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2240] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2241] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2240] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2240] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2241] <... futex resumed>)        = 1
[pid  2239] <... futex resumed>)        = 0
[pid  2241] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2239] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2242 attached
 <unfinished ...>
[pid  2241] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2241] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2239] <... futex resumed>)        = 0
[pid  2242] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2240] <... clone3 resumed> => {parent_tid=[2242]}, 88) = 2242
[pid  2241] <... openat resumed>)       = 3
[pid  2239] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2240] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2242] <... set_robust_list resumed>) = 0
[pid  2241] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2240] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2242] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2241] <... futex resumed>)        = 1
[pid  2240] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2239] <... futex resumed>)        = 0
[pid  2242] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2241] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2240] <... futex resumed>)        = 0
[pid  2239] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2240] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2239] <... futex resumed>)        = 0
[pid  2242] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2241] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2239] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2241] write(3, "\x38\x00", 2)     = 2
[pid  2242] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2241] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2239] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2239] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2239] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2242] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2241] <... futex resumed>)        = 1
[pid  2239] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2242] <... futex resumed>)        = 1
[pid  2240] <... futex resumed>)        = 0
[pid  2242] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2241] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2240] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2239] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2242] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2240] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2242] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2241] <... openat resumed>)       = 4
[pid  2240] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2243 attached
 <unfinished ...>
[pid  2242] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2243
[pid  2243] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2241] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2242] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2243] <... set_robust_list resumed>) = 0
[pid  2241] <... futex resumed>)        = 1
[pid  2242] <... futex resumed>)        = 1
[pid  2239] <... futex resumed>)        = 0
[pid  2243] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2240] <... futex resumed>)        = 0
[pid  2239] exit_group(0 <unfinished ...>
[pid  2240] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2239] <... exit_group resumed>)   = ?
[pid  2240] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2243] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2242] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2243] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2242] <... openat resumed>)       = 3
[pid  2243] <... prctl resumed>)        = 0
[pid  2242] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2243] setpgid(0, 0 <unfinished ...>
[pid  2242] <... futex resumed>)        = 1
[pid  2241] +++ exited with 0 +++
[pid  2243] <... setpgid resumed>)      = 0
[pid  2240] <... futex resumed>)        = 0
[pid  2239] +++ exited with 0 +++
[pid  2242] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2240] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2242] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2240] <... futex resumed>)        = 0
[pid  2243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2242] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2240] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2239, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2242] <... write resumed>)        = 2
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2242] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2240] <... futex resumed>)        = 0
[pid  2243] <... openat resumed>)       = 3
[pid  2242] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2240] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2243] write(3, "1000", 4 <unfinished ...>
[pid  2242] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2240] <... futex resumed>)        = 0
[pid  2243] <... write resumed>)        = 4
[pid  2242] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2240] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2243] close(3)                    = 0
[pid  2242] <... openat resumed>)       = 4
[pid  2243] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  2242] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2243] <... write resumed>)        = 18
[pid  2242] <... futex resumed>)        = 1
[pid  2240] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  2243] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2242] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2240] exit_group(0)               = ?
[pid  2242] <... futex resumed>)        = ?
[pid  2243] <... futex resumed>)        = 0
[pid  2243] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2243] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2243] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2243] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2243] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2243] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2244 attached
 <unfinished ...>
[pid  2244] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2243] <... clone3 resumed> => {parent_tid=[2244]}, 88) = 2244
[pid  2242] +++ exited with 0 +++
[pid  2240] +++ exited with 0 +++
[pid  2244] <... set_robust_list resumed>) = 0
[pid  2243] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2244] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2243] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2240, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2244] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2243] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2244] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2243] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2243] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2244] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2244] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2243] <... futex resumed>)        = 0
[pid  2244] <... futex resumed>)        = 1
[pid  2243] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2244] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2243] <... futex resumed>)        = 0
[pid  2244] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2243] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2244] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2243] <... futex resumed>)        = 0
[pid  2243] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2244] <... futex resumed>)        = 1
[pid  2243] <... futex resumed>)        = 0
[pid  2244] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2243] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2244] <... openat resumed>)       = 3
[pid  2244] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2243] <... futex resumed>)        = 0
[pid  2244] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2243] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2244] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2243] <... futex resumed>)        = 0
[pid  2244] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2243] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2244] <... write resumed>)        = 2
[pid  2244] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2243] <... futex resumed>)        = 0
[pid  2244] <... futex resumed>)        = 1
[pid  2243] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2244] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2243] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2245 attached
[pid  2244] <... openat resumed>)       = 4
[pid  2243] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2244] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2243] <... futex resumed>)        = 0
[pid  2244] <... futex resumed>)        = 1
[pid  2243] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 2246 attached
 <unfinished ...>
[pid  2245] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2245
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2246
[pid  2245] <... set_robust_list resumed>) = 0
[pid  2243] <... exit_group resumed>)   = ?
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2246] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2245] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2244] +++ exited with 0 +++
[pid  2243] +++ exited with 0 +++
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2246] <... set_robust_list resumed>) = 0
[pid  2245] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2243, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2245] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2246] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2245] <... prctl resumed>)        = 0
[pid  2245] setpgid(0, 0 <unfinished ...>
[pid  2246] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2245] <... setpgid resumed>)      = 0
[pid  2246] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2246] <... prctl resumed>)        = 0
[pid  2246] setpgid(0, 0 <unfinished ...>
[pid  2245] <... openat resumed>)       = 3
[pid  2246] <... setpgid resumed>)      = 0
[pid  2245] write(3, "1000", 4 <unfinished ...>
[pid  2246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2245] <... write resumed>)        = 4
[pid  2245] close(3 <unfinished ...>
[pid  2246] <... openat resumed>)       = 3
[pid  2245] <... close resumed>)        = 0
[pid  2245] write(1, "executing program\n", 18 <unfinished ...>
[pid  2246] write(3, "1000", 4 <unfinished ...>
[pid  2245] <... write resumed>)        = 18
[pid  2246] <... write resumed>)        = 4
executing program
[pid  2245] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2246] close(3 <unfinished ...>
[pid  2245] <... futex resumed>)        = 0
[pid  2246] <... close resumed>)        = 0
[pid  2245] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2246] write(1, "executing program\n", 18 <unfinished ...>
[pid  2245] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2246] <... write resumed>)        = 18
executing program
[pid  2245] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2246] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2245] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2246] <... futex resumed>)        = 0
[pid  2245] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2246] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2245] <... mmap resumed>)         = 0x7fb4de009000
[pid  2246] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2245] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2246] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2245] <... mprotect resumed>)     = 0
[pid  2246] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2246] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2245] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2246] <... mmap resumed>)         = 0x7fb4de009000
[pid  2245] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2246] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2245] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2247 attached
 <unfinished ...>
[pid  2246] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2246] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2247] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2246] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2247] <... set_robust_list resumed>) = 0
[pid  2245] <... clone3 resumed> => {parent_tid=[2247]}, 88) = 2247
[pid   313] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2248 attached
[pid  2247] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2245] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2248] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2247] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2246] <... clone3 resumed> => {parent_tid=[2248]}, 88) = 2248
[pid  2245] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2248] <... set_robust_list resumed>) = 0
[pid  2247] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2246] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2245] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2248] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2247] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2246] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2248] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2248] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2247] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2246] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2245] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2248] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2247] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2246] <... futex resumed>)        = 0
[pid  2245] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2250 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2249 attached
 <unfinished ...>
[pid  2248] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2247] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2246] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2245] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2250] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2249] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2248] <... futex resumed>)        = 0
[pid  2247] <... futex resumed>)        = 0
[pid  2246] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2245] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2250] <... set_robust_list resumed>) = 0
[pid  2249] <... set_robust_list resumed>) = 0
[pid  2248] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2247] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2246] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2245] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2249
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2250
[pid  2249] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2245] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2248] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2247] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2246] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2249] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2250] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2248] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2247] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2250] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2248] <... futex resumed>)        = 0
[pid  2249] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2247] <... futex resumed>)        = 1
[pid  2250] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2246] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2250] <... prctl resumed>)        = 0
[pid  2249] <... prctl resumed>)        = 0
[pid  2248] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2247] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2246] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2250] setpgid(0, 0 <unfinished ...>
[pid  2249] setpgid(0, 0 <unfinished ...>
[pid  2250] <... setpgid resumed>)      = 0
[pid  2246] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2249] <... setpgid resumed>)      = 0
[pid  2250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2248] <... futex resumed>)        = 0
[pid  2246] <... futex resumed>)        = 1
[pid  2245] <... futex resumed>)        = 0
[pid  2250] <... openat resumed>)       = 3
[pid  2249] <... openat resumed>)       = 3
[pid  2248] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2246] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2245] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2250] write(3, "1000", 4 <unfinished ...>
[pid  2249] write(3, "1000", 4 <unfinished ...>
[pid  2248] <... openat resumed>)       = 3
[pid  2247] <... futex resumed>)        = 0
[pid  2245] <... futex resumed>)        = 1
[pid  2250] <... write resumed>)        = 4
[pid  2249] <... write resumed>)        = 4
[pid  2248] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2247] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2245] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2250] close(3 <unfinished ...>
[pid  2249] close(3 <unfinished ...>
[pid  2248] <... futex resumed>)        = 1
[pid  2247] <... openat resumed>)       = 3
[pid  2246] <... futex resumed>)        = 0
[pid  2250] <... close resumed>)        = 0
[pid  2250] write(1, "executing program\n", 18 <unfinished ...>
[pid  2249] <... close resumed>)        = 0
[pid  2248] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2247] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2246] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2250] <... write resumed>)        = 18
executing program
[pid  2247] <... futex resumed>)        = 1
[pid  2246] <... futex resumed>)        = 0
[pid  2245] <... futex resumed>)        = 0
[pid  2250] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2249] write(1, "executing program\n", 18 <unfinished ...>
[pid  2248] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2247] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2246] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
executing program
[pid  2245] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2250] <... futex resumed>)        = 0
[pid  2249] <... write resumed>)        = 18
[pid  2248] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2247] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2245] <... futex resumed>)        = 0
[pid  2250] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2249] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2248] <... write resumed>)        = 2
[pid  2247] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2245] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2250] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2249] <... futex resumed>)        = 0
[pid  2248] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2247] <... write resumed>)        = 2
[pid  2250] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2249] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2248] <... futex resumed>)        = 1
[pid  2247] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2246] <... futex resumed>)        = 0
[pid  2250] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2249] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2248] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2247] <... futex resumed>)        = 1
[pid  2245] <... futex resumed>)        = 0
[pid  2250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2249] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2248] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2247] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2246] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2245] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2250] <... mmap resumed>)         = 0x7fb4de009000
[pid  2249] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2248] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2247] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2246] <... futex resumed>)        = 0
[pid  2245] <... futex resumed>)        = 0
[pid  2250] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2248] <... openat resumed>)       = 4
[pid  2245] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2250] <... mprotect resumed>)     = 0
[pid  2249] <... mmap resumed>)         = 0x7fb4de009000
[pid  2248] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2247] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2246] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2249] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2248] <... futex resumed>)        = 0
[pid  2250] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2249] <... mprotect resumed>)     = 0
[pid  2248] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2246] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2247] <... openat resumed>)       = 4
[pid  2249] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2250] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2249] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2247] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2246] exit_group(0 <unfinished ...>
[pid  2249] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2247] <... futex resumed>)        = 1
[pid  2245] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2251 attached
[pid  2248] <... futex resumed>)        = ?
[pid  2247] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2246] <... exit_group resumed>)   = ?
[pid  2245] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 2252 attached
 <unfinished ...>
[pid  2251] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2250] <... clone3 resumed> => {parent_tid=[2251]}, 88) = 2251
[pid  2248] +++ exited with 0 +++
[pid  2247] <... futex resumed>)        = ?
[pid  2245] <... exit_group resumed>)   = ?
[pid  2252] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2251] <... set_robust_list resumed>) = 0
[pid  2250] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2249] <... clone3 resumed> => {parent_tid=[2252]}, 88) = 2252
[pid  2247] +++ exited with 0 +++
[pid  2246] +++ exited with 0 +++
[pid  2245] +++ exited with 0 +++
[pid  2252] <... set_robust_list resumed>) = 0
[pid  2251] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2252] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2250] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2249] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2246, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2245, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2252] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2250] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2249] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2252] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2250] <... futex resumed>)        = 0
[pid  2249] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2252] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2250] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2249] <... futex resumed>)        = 0
[pid  2252] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2251] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2249] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2252] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2251] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2252] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2251] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2249] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2252] <... futex resumed>)        = 0
[pid  2251] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2252] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2251] <... futex resumed>)        = 1
[pid  2250] <... futex resumed>)        = 0
[pid  2249] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2252] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2251] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2250] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2249] <... futex resumed>)        = 0
[pid  2252] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2251] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2250] <... futex resumed>)        = 0
[pid  2249] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2252] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2251] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2250] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2252] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2251] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2252] <... futex resumed>)        = 1
[pid  2251] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2249] <... futex resumed>)        = 0
[pid  2252] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2251] <... futex resumed>)        = 1
[pid  2250] <... futex resumed>)        = 0
[pid  2252] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2251] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2249] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2252] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2251] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2250] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2252] <... openat resumed>)       = 3
[pid  2251] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2249] <... futex resumed>)        = 0
[pid  2252] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2250] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  2249] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2252] <... futex resumed>)        = 0
[pid  2250] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2249] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2252] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2249] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2252] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2249] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2249] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2252] write(3, "\x38\x00", 2 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2252] <... write resumed>)        = 2
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2252] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2252] <... futex resumed>)        = 1
[pid  2249] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2251] <... openat resumed>)       = 3
[pid  2251] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2250] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2253 attached
[pid  2252] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2251] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2250] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2249] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2254 attached
 <unfinished ...>
[pid  2251] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2250] <... futex resumed>)        = 0
[pid  2252] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2249] <... futex resumed>)        = 0
[pid  2254] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2253] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2251] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2250] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2254] <... set_robust_list resumed>) = 0
[pid  2253] <... set_robust_list resumed>) = 0
[pid  2252] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2251] <... write resumed>)        = 2
[pid  2249] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2254
[pid  2254] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2253] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2252] <... openat resumed>)       = 4
[pid  2251] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2253
[pid  2254] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2253] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2252] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2251] <... futex resumed>)        = 1
[pid  2250] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2254] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2253] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2252] <... futex resumed>)        = 1
[pid  2251] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2250] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2249] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2254] <... prctl resumed>)        = 0
[pid  2253] <... prctl resumed>)        = 0
[pid  2252] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2251] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2250] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2254] setpgid(0, 0 <unfinished ...>
[pid  2253] setpgid(0, 0 <unfinished ...>
[pid  2251] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2250] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2249] exit_group(0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2254] <... setpgid resumed>)      = 0
[pid  2253] <... setpgid resumed>)      = 0
[pid  2251] <... openat resumed>)       = 4
[pid  2254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2252] <... futex resumed>)        = ?
[pid  2251] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2249] <... exit_group resumed>)   = ?
[pid  2254] <... openat resumed>)       = 3
[pid  2253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2252] +++ exited with 0 +++
[pid  2251] <... futex resumed>)        = 1
[pid  2250] <... futex resumed>)        = 0
[pid  2253] <... openat resumed>)       = 3
[pid  2251] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2250] exit_group(0 <unfinished ...>
[pid  2249] +++ exited with 0 +++
[pid  2254] write(3, "1000", 4 <unfinished ...>
[pid  2253] write(3, "1000", 4 <unfinished ...>
[pid  2251] <... futex resumed>)        = ?
[pid  2250] <... exit_group resumed>)   = ?
[pid  2254] <... write resumed>)        = 4
[pid  2253] <... write resumed>)        = 4
[pid  2251] +++ exited with 0 +++
[pid  2250] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2249, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2254] close(3 <unfinished ...>
[pid  2253] close(3 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2254] <... close resumed>)        = 0
[pid  2254] write(1, "executing program\n", 18 <unfinished ...>
[pid  2253] <... close resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2250, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2253] write(1, "executing program\n", 18 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2253] <... write resumed>)        = 18
executing program
executing program
[pid  2254] <... write resumed>)        = 18
[pid  2253] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2254] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2253] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2254] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2253] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2254] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2253] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2253] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2254] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2254] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITEci2-android-6-12-rust/strace-static-x86_64: Process 2255 attached
) = 0
[pid  2253] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2255] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2254] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2255
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2255] <... set_robust_list resumed>) = 0
[pid  2254] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2254] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2256 attached
 => {parent_tid=[2256]}, 88) = 2256
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2256] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2255] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2255] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2257 attached
[pid  2256] <... set_robust_list resumed>) = 0
[pid  2255] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2254] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2253] <... mmap resumed>)         = 0x7fb4de009000
[pid  2257] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2256] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2255] <... prctl resumed>)        = 0
[pid  2254] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2257] <... set_robust_list resumed>) = 0
[pid  2256] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2255] setpgid(0, 0 <unfinished ...>
[pid  2254] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2253] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2257
[pid  2257] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2254] <... futex resumed>)        = 0
[pid  2256] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2255] <... setpgid resumed>)      = 0
[pid  2254] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2253] <... mprotect resumed>)     = 0
[pid  2257] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2256] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2257] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2256] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2253] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2257] <... prctl resumed>)        = 0
[pid  2256] <... futex resumed>)        = 1
[pid  2255] <... openat resumed>)       = 3
[pid  2254] <... futex resumed>)        = 0
[pid  2253] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2257] setpgid(0, 0 <unfinished ...>
[pid  2256] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2255] write(3, "1000", 4 <unfinished ...>
[pid  2254] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2257] <... setpgid resumed>)      = 0
[pid  2253] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2256] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2255] <... write resumed>)        = 4
[pid  2254] <... futex resumed>)        = 0
[pid  2257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2254] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2255] close(3ci2-android-6-12-rust/strace-static-x86_64: Process 2258 attached
 <unfinished ...>
[pid  2257] <... openat resumed>)       = 3
[pid  2256] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2255] <... close resumed>)        = 0
[pid  2253] <... clone3 resumed> => {parent_tid=[2258]}, 88) = 2258
[pid  2258] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2257] write(3, "1000", 4 <unfinished ...>
[pid  2256] <... futex resumed>)        = 1
[pid  2255] write(1, "executing program\n", 18 <unfinished ...>
[pid  2254] <... futex resumed>)        = 0
[pid  2253] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2258] <... set_robust_list resumed>) = 0
[pid  2257] <... write resumed>)        = 4
[pid  2256] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2255] <... write resumed>)        = 18
[pid  2253] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  2258] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2255] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2257] close(3 <unfinished ...>
[pid  2254] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2253] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2258] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2257] <... close resumed>)        = 0
[pid  2256] <... futex resumed>)        = 0
[pid  2255] <... futex resumed>)        = 0
[pid  2254] <... futex resumed>)        = 1
[pid  2258] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2257] write(1, "executing program\n", 18 <unfinished ...>
[pid  2256] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
executing program
[pid  2255] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2254] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2253] <... futex resumed>)        = 0
[pid  2258] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2257] <... write resumed>)        = 18
[pid  2256] <... openat resumed>)       = 3
[pid  2255] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2258] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2257] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2255] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2253] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2258] <... futex resumed>)        = 0
[pid  2257] <... futex resumed>)        = 0
[pid  2255] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2253] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2258] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2257] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2255] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2253] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2258] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2257] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2258] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2257] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2256] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2255] <... mmap resumed>)         = 0x7fb4de009000
[pid  2253] <... futex resumed>)        = 0
[pid  2258] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2256] <... futex resumed>)        = 1
[pid  2254] <... futex resumed>)        = 0
[pid  2257] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2258] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2256] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2255] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2254] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2253] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2258] <... futex resumed>)        = 0
[pid  2257] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2256] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2255] <... mprotect resumed>)     = 0
[pid  2254] <... futex resumed>)        = 0
[pid  2258] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2257] <... mmap resumed>)         = 0x7fb4de009000
[pid  2256] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2254] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2253] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2257] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2256] <... write resumed>)        = 2
[pid  2255] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2257] <... mprotect resumed>)     = 0
[pid  2256] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2253] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2257] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2256] <... futex resumed>)        = 1
[pid  2255] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2254] <... futex resumed>)        = 0
[pid  2258] <... futex resumed>)        = 0
[pid  2257] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2256] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2255] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2254] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2253] <... futex resumed>)        = 1
[pid  2258] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2257] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2256] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2254] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2259 attached
[pid  2258] <... openat resumed>)       = 3
[pid  2256] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2254] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2253] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2260 attached
 <unfinished ...>
[pid  2259] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2258] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2256] <... openat resumed>)       = 4
[pid  2260] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2259] <... set_robust_list resumed>) = 0
[pid  2258] <... futex resumed>)        = 0
[pid  2257] <... clone3 resumed> => {parent_tid=[2260]}, 88) = 2260
[pid  2255] <... clone3 resumed> => {parent_tid=[2259]}, 88) = 2259
[pid  2253] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2259] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2258] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2257] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2255] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2259] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2258] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2257] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2255] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2253] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2259] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2258] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2257] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2255] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2253] <... futex resumed>)        = 0
[pid  2259] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2258] <... write resumed>)        = 2
[pid  2257] <... futex resumed>)        = 0
[pid  2255] <... futex resumed>)        = 0
[pid  2253] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2259] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2258] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2257] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2255] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2259] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2253] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2259] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2258] <... futex resumed>)        = 0
[pid  2253] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2259] <... futex resumed>)        = 1
[pid  2258] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2255] <... futex resumed>)        = 0
[pid  2253] <... futex resumed>)        = 0
[pid  2259] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2260] <... set_robust_list resumed>) = 0
[pid  2259] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2258] <... openat resumed>)       = 4
[pid  2256] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2255] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2253] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2260] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2259] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2258] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2256] <... futex resumed>)        = 1
[pid  2254] <... futex resumed>)        = 0
[pid  2260] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2259] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2258] <... futex resumed>)        = 0
[pid  2256] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2255] <... futex resumed>)        = 0
[pid  2254] exit_group(0 <unfinished ...>
[pid  2253] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2260] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2259] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2258] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2256] <... futex resumed>)        = ?
[pid  2255] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2254] <... exit_group resumed>)   = ?
[pid  2260] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2259] <... futex resumed>)        = 0
[pid  2256] +++ exited with 0 +++
[pid  2255] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2254] +++ exited with 0 +++
[pid  2253] exit_group(0 <unfinished ...>
[pid  2260] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2257] <... futex resumed>)        = 0
[pid  2260] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2257] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2260] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2257] <... futex resumed>)        = 0
[pid  2260] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2257] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2260] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2259] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2258] <... futex resumed>)        = ?
[pid  2255] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2253] <... exit_group resumed>)   = ?
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2254, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2260] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2257] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2260] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2257] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2260] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2257] <... futex resumed>)        = 0
[pid  2260] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2257] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2260] <... openat resumed>)       = 3
[pid  2260] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2257] <... futex resumed>)        = 0
[pid  2260] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2257] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2260] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2257] <... futex resumed>)        = 0
[pid  2260] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2257] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2260] <... write resumed>)        = 2
[pid  2258] +++ exited with 0 +++
[pid  2253] +++ exited with 0 +++
[pid   315] <... restart_syscall resumed>) = 0
[pid  2259] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2255] <... futex resumed>)        = 0
[pid  2259] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2255] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2253, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2259] <... openat resumed>)       = 3
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2259] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2255] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2259] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2255] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2260] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2255] <... futex resumed>)        = 0
[pid  2260] <... futex resumed>)        = 1
[pid  2257] <... futex resumed>)        = 0
[pid  2260] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2257] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2260] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2257] <... futex resumed>)        = 0
[pid  2260] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2257] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2261 attached
 <unfinished ...>
[pid  2260] <... openat resumed>)       = 4
[pid  2259] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2255] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2261] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2260] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2259] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2261] <... set_robust_list resumed>) = 0
[pid  2260] <... futex resumed>)        = 1
[pid  2257] <... futex resumed>)        = 0
[pid  2261] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2260] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2259] <... write resumed>)        = 2
[pid  2257] exit_group(0 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2261
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2261] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2260] <... futex resumed>)        = ?
[pid  2259] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2257] <... exit_group resumed>)   = ?
[pid  2261] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2260] +++ exited with 0 +++
[pid  2259] <... futex resumed>)        = 1
[pid  2257] +++ exited with 0 +++
[pid  2255] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2259] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2255] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2255] <... futex resumed>)        = 0
[pid  2255] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2259] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2257, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2259] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2262
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 2262 attached
 <unfinished ...>
[pid  2261] <... prctl resumed>)        = 0
[pid  2262] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2261] setpgid(0, 0 <unfinished ...>
[pid  2259] <... openat resumed>)       = 4
[pid  2262] <... set_robust_list resumed>) = 0
[pid  2261] <... setpgid resumed>)      = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2262] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2259] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2262] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2261] <... openat resumed>)       = 3
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2262] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2261] write(3, "1000", 4 <unfinished ...>
[pid  2259] <... futex resumed>)        = 1
[pid  2255] <... futex resumed>)        = 0
[pid  2262] <... prctl resumed>)        = 0
[pid  2261] <... write resumed>)        = 4
[pid  2262] setpgid(0, 0 <unfinished ...>
[pid  2261] close(3 <unfinished ...>
[pid  2255] exit_group(0 <unfinished ...>
[pid  2262] <... setpgid resumed>)      = 0
[pid  2261] <... close resumed>)        = 0
[pid  2262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2261] write(1, "executing program\n", 18 <unfinished ...>
[pid  2255] <... exit_group resumed>)   = ?
[pid  2262] <... openat resumed>)       = 3
[pid  2261] <... write resumed>)        = 18
[pid  2261] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2261] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2262] write(3, "1000", 4 <unfinished ...>
[pid  2261] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2262] <... write resumed>)        = 4
[pid  2261] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2262] close(3 <unfinished ...>
[pid  2261] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2262] <... close resumed>)        = 0
[pid  2261] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2262] write(1, "executing program\n", 18 <unfinished ...>
[pid  2261] <... mmap resumed>)         = 0x7fb4de009000
[pid  2262] <... write resumed>)        = 18
executing program
executing program
[pid  2262] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2259] +++ exited with 0 +++
[pid  2255] +++ exited with 0 +++
[pid  2262] <... futex resumed>)        = 0
[pid  2261] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2262] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2261] <... mprotect resumed>)     = 0
[pid  2262] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2261] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2255, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2262] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2261] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2261] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2262] <... mmap resumed>)         = 0x7fb4de009000
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2262] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2263 attached
[pid  2262] <... mprotect resumed>)     = 0
[pid  2263] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2262] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2261] <... clone3 resumed> => {parent_tid=[2263]}, 88) = 2263
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2263] <... set_robust_list resumed>) = 0
[pid  2262] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2261] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2263] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2262] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2261] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2264 attached
[pid  2263] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2264] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2263] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2261] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2264] <... set_robust_list resumed>) = 0
[pid  2263] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2262] <... clone3 resumed> => {parent_tid=[2264]}, 88) = 2264
[pid  2261] <... futex resumed>)        = 0
[pid  2264] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2262] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2261] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2264] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2263] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2264] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2263] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2262] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2263] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2262] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2264] <... futex resumed>)        = 0
[pid  2263] <... futex resumed>)        = 1
[pid  2262] <... futex resumed>)        = 1
[pid  2261] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2265 attached
[pid  2264] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2263] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2262] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2261] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2265] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2263] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2265] <... set_robust_list resumed>) = 0
[pid  2264] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2263] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2261] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2265
[pid  2265] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2264] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2261] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2265] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2264] <... futex resumed>)        = 1
[pid  2262] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2265] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2264] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2263] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2262] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2262] <... futex resumed>)        = 0
[pid  2265] <... prctl resumed>)        = 0
[pid  2264] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2263] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2262] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2265] setpgid(0, 0 <unfinished ...>
[pid  2264] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2263] <... futex resumed>)        = 1
[pid  2261] <... futex resumed>)        = 0
[pid  2265] <... setpgid resumed>)      = 0
[pid  2264] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2263] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2261] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2264] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2263] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2261] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2265] <... openat resumed>)       = 3
[pid  2264] <... futex resumed>)        = 1
[pid  2262] <... futex resumed>)        = 0
[pid  2261] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2265] write(3, "1000", 4 <unfinished ...>
[pid  2264] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2262] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2265] <... write resumed>)        = 4
[pid  2264] <... openat resumed>)       = 3
[pid  2262] <... futex resumed>)        = 0
[pid  2265] close(3 <unfinished ...>
[pid  2264] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2262] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2265] <... close resumed>)        = 0
[pid  2264] <... futex resumed>)        = 0
[pid  2262] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2265] write(1, "executing program\n", 18 <unfinished ...>
[pid  2264] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2262] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2265] <... write resumed>)        = 18
[pid  2264] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2262] <... futex resumed>)        = 0
executing program
[pid  2265] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2264] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2262] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2264] <... write resumed>)        = 2
[pid  2263] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2265] <... futex resumed>)        = 0
[pid  2264] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2265] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2264] <... futex resumed>)        = 1
[pid  2262] <... futex resumed>)        = 0
[pid  2265] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2264] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2262] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2265] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2264] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2262] <... futex resumed>)        = 0
[pid  2265] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2264] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2262] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2266 attached
 <unfinished ...>
[pid  2265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2264] <... openat resumed>)       = 4
[pid  2263] <... openat resumed>)       = 3
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2266
[pid  2266] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2265] <... mmap resumed>)         = 0x7fb4de009000
[pid  2264] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2262] <... futex resumed>)        = 0
[pid  2263] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2266] <... set_robust_list resumed>) = 0
[pid  2265] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2264] <... futex resumed>)        = 1
[pid  2263] <... futex resumed>)        = 1
[pid  2262] exit_group(0 <unfinished ...>
[pid  2261] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2266] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2265] <... mprotect resumed>)     = 0
[pid  2263] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2261] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2266] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2265] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2262] <... exit_group resumed>)   = ?
[pid  2266] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2265] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2264] +++ exited with 0 +++
[pid  2266] <... prctl resumed>)        = 0
[pid  2263] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2262] +++ exited with 0 +++
[pid  2261] <... futex resumed>)        = 0
[pid  2266] setpgid(0, 0 <unfinished ...>
[pid  2265] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2263] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2261] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2267 attached
 <unfinished ...>
[pid  2266] <... setpgid resumed>)      = 0
[pid  2263] <... write resumed>)        = 2
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2262, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2267] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2267] <... set_robust_list resumed>) = 0
[pid  2265] <... clone3 resumed> => {parent_tid=[2267]}, 88) = 2267
[pid  2263] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2267] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2265] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2267] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2265] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2267] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2265] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2263] <... futex resumed>)        = 1
[pid  2261] <... futex resumed>)        = 0
[pid  2267] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2265] <... futex resumed>)        = 0
[pid  2263] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2261] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2267] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2265] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2261] <... futex resumed>)        = 0
[pid  2267] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2263] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2263] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2261] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2267] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2265] <... futex resumed>)        = 0
[pid  2267] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2265] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2263] <... openat resumed>)       = 4
[pid  2267] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2265] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2267] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2265] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2267] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2267] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2265] <... futex resumed>)        = 0
[pid  2265] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2266] <... openat resumed>)       = 3
[pid  2265] <... futex resumed>)        = 0
[pid  2267] <... futex resumed>)        = 1
[pid  2265] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2267] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  2267] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2265] <... futex resumed>)        = 0
[pid  2267] <... futex resumed>)        = 1
[pid  2265] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2267] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2265] <... futex resumed>)        = 0
[pid  2266] write(3, "1000", 4 <unfinished ...>
[pid  2263] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2266] <... write resumed>)        = 4
[pid  2263] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 2268 attached
[pid  2267] <... write resumed>)        = 2
[pid  2265] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2268] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2267] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2266] close(3 <unfinished ...>
[pid  2265] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2263] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2261] <... futex resumed>)        = 0
[pid  2268] <... set_robust_list resumed>) = 0
[pid  2267] <... futex resumed>)        = 0
[pid  2266] <... close resumed>)        = 0
[pid  2265] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2268
[pid  2268] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2267] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2266] write(1, "executing program\n", 18 <unfinished ...>
[pid  2265] <... futex resumed>)        = 0
[pid  2261] exit_group(0 <unfinished ...>
[pid  2268] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  2267] <... openat resumed>)       = 4
[pid  2266] <... write resumed>)        = 18
[pid  2265] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2261] <... exit_group resumed>)   = ?
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2268] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2267] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2266] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2263] <... futex resumed>)        = ?
[pid  2266] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2268] <... prctl resumed>)        = 0
[pid  2267] <... futex resumed>)        = 1
[pid  2265] <... futex resumed>)        = 0
[pid  2268] setpgid(0, 0)               = 0
[pid  2267] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2265] exit_group(0 <unfinished ...>
[pid  2268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2267] <... futex resumed>)        = ?
[pid  2265] <... exit_group resumed>)   = ?
[pid  2263] +++ exited with 0 +++
[pid  2261] +++ exited with 0 +++
[pid  2266] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2261, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2268] write(3, "1000", 4 <unfinished ...>
[pid  2267] +++ exited with 0 +++
[pid  2266] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2265] +++ exited with 0 +++
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2266] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2268] <... write resumed>)        = 4
[pid  2266] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2265, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2268] close(3)                    = 0
[pid  2268] write(1, "executing program\n", 18 <unfinished ...>
[pid  2266] <... mmap resumed>)         = 0x7fb4de009000
executing program
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2268] <... write resumed>)        = 18
[pid  2268] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2268] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2268] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2268] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2268] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2266] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITEci2-android-6-12-rust/strace-static-x86_64: Process 2269 attached
 <unfinished ...>
[pid  2268] <... clone3 resumed> => {parent_tid=[2269]}, 88) = 2269
[pid  2269] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2268] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2266] <... mprotect resumed>)     = 0
[pid  2269] <... set_robust_list resumed>) = 0
[pid  2268] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2269] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2268] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2269] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2268] <... futex resumed>)        = 0
[pid  2266] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2269] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2268] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2266] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2266] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2269] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2269] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2268] <... futex resumed>)        = 0
[pid  2269] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2268] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2269] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2268] <... futex resumed>)        = 0
[pid  2269] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2268] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2270 attached
 <unfinished ...>
[pid  2269] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
ci2-android-6-12-rust/strace-static-x86_64: Process 2271 attached
[pid  2269] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2266] <... clone3 resumed> => {parent_tid=[2271]}, 88) = 2271
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2270
[pid  2271] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2269] <... futex resumed>)        = 1
[pid  2268] <... futex resumed>)        = 0
[pid  2266] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2271] <... set_robust_list resumed>) = 0
[pid  2270] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2266] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2270] <... set_robust_list resumed>) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2266] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2271] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2270] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2269] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2268] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2266] <... futex resumed>)        = 0
[pid  2271] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2269] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2268] <... futex resumed>)        = 0
[pid  2271] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2270] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2269] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2268] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2266] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2271] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2270] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2269] <... openat resumed>)       = 3
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2271] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2270] <... prctl resumed>)        = 0
[pid  2269] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2271] <... futex resumed>)        = 1
[pid  2269] <... futex resumed>)        = 1
[pid  2268] <... futex resumed>)        = 0
[pid  2271] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2270] setpgid(0, 0 <unfinished ...>
[pid  2269] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2268] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2270] <... setpgid resumed>)      = 0
[pid  2269] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2268] <... futex resumed>)        = 0
[pid  2266] <... futex resumed>)        = 0
[pid  2269] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2268] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2269] <... write resumed>)        = 2
[pid  2266] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2269] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2268] <... futex resumed>)        = 0
[pid  2269] <... futex resumed>)        = 1
[pid  2268] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2269] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2268] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2272 attached
[pid  2269] <... openat resumed>)       = 4
[pid  2268] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2269] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2268] <... futex resumed>)        = 0
[pid  2268] exit_group(0)               = ?
[pid  2270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2269] <... futex resumed>)        = ?
[pid  2272] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2271] <... futex resumed>)        = 0
[pid  2270] <... openat resumed>)       = 3
[pid  2269] +++ exited with 0 +++
[pid  2268] +++ exited with 0 +++
[pid  2266] <... futex resumed>)        = 1
[pid  2271] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2272] <... set_robust_list resumed>) = 0
[pid  2271] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2270] write(3, "1000", 4 <unfinished ...>
[pid  2266] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2272
[pid  2272] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2270] <... write resumed>)        = 4
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2268, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2270] close(3 <unfinished ...>
[pid  2271] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2266] <... futex resumed>)        = 0
[pid  2271] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2266] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2271] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2266] <... futex resumed>)        = 0
[pid  2271] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2266] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2271] <... openat resumed>)       = 3
[pid  2271] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2266] <... futex resumed>)        = 0
[pid  2272] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2271] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2270] <... close resumed>)        = 0
[pid  2266] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2271] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2266] <... futex resumed>)        = 0
[pid  2272] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2271] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2270] write(1, "executing program\n", 18 <unfinished ...>
[pid  2266] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
executing program
[pid  2272] <... prctl resumed>)        = 0
[pid  2271] <... write resumed>)        = 2
[pid  2270] <... write resumed>)        = 18
[pid  2272] setpgid(0, 0 <unfinished ...>
[pid  2271] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2272] <... setpgid resumed>)      = 0
[pid  2271] <... futex resumed>)        = 1
[pid  2270] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2266] <... futex resumed>)        = 0
[pid  2271] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2266] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2271] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2266] <... futex resumed>)        = 0
[pid  2271] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2266] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2271] <... openat resumed>)       = 4
[pid  2271] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2266] <... futex resumed>)        = 0
[pid  2266] exit_group(0 <unfinished ...>
[pid  2270] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2273 attached
[pid  2272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2270] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2266] <... exit_group resumed>)   = ?
[pid  2270] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2273] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2271] <... futex resumed>)        = ?
[pid  2270] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2273] <... set_robust_list resumed>) = 0
[pid  2272] <... openat resumed>)       = 3
[pid  2271] +++ exited with 0 +++
[pid  2266] +++ exited with 0 +++
[pid  2270] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2273
[pid  2273] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2272] write(3, "1000", 4 <unfinished ...>
[pid  2270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2272] <... write resumed>)        = 4
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2266, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2272] close(3 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2272] <... close resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2272] write(1, "executing program\n", 18 <unfinished ...>
[pid  2270] <... mmap resumed>)         = 0x7fb4de009000
[pid   312] <... restart_syscall resumed>) = 0
[pid  2272] <... write resumed>)        = 18
[pid  2273] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2272] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  2273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2273] setpgid(0, 0 <unfinished ...>
[pid  2272] <... futex resumed>)        = 0
[pid  2270] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2273] <... setpgid resumed>)      = 0
[pid  2272] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2270] <... mprotect resumed>)     = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2273] <... openat resumed>)       = 3
[pid  2272] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2273] write(3, "1000", 4)         = 4
[pid  2273] close(3)                    = 0
[pid  2273] write(1, "executing program\n", 18) = 18
[pid  2273] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2273] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2273] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2273] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2272] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
executing program
ci2-android-6-12-rust/strace-static-x86_64: Process 2274 attached
[pid  2273] <... mmap resumed>)         = 0x7fb4de009000
[pid  2274] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2273] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2274] <... set_robust_list resumed>) = 0
[pid  2273] <... mprotect resumed>)     = 0
[pid  2274] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2273] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2274] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2274] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2273] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2272] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2273] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2274] <... prctl resumed>)        = 0
[pid  2272] <... mmap resumed>)         = 0x7fb4de009000
[pid  2270] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2274
ci2-android-6-12-rust/strace-static-x86_64: Process 2275 attached
[pid  2272] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2270] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2272] <... mprotect resumed>)     = 0
[pid  2270] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2274] setpgid(0, 0 <unfinished ...>
[pid  2273] <... clone3 resumed> => {parent_tid=[2275]}, 88) = 2275
[pid  2272] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2274] <... setpgid resumed>)      = 0
[pid  2273] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2272] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2276 attached
[pid  2275] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2273] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2272] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2276] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2274] <... openat resumed>)       = 3
[pid  2273] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2276] <... set_robust_list resumed>) = 0
[pid  2273] <... futex resumed>)        = 0
[pid  2276] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2273] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2277 attached
 <unfinished ...>
[pid  2276] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2275] <... set_robust_list resumed>) = 0
[pid  2274] write(3, "1000", 4 <unfinished ...>
[pid  2270] <... clone3 resumed> => {parent_tid=[2276]}, 88) = 2276
[pid  2276] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2275] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2277] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2274] <... write resumed>)        = 4
[pid  2277] <... set_robust_list resumed>) = 0
[pid  2274] close(3 <unfinished ...>
[pid  2277] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2274] <... close resumed>)        = 0
executing program
[pid  2277] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2274] write(1, "executing program\n", 18 <unfinished ...>
[pid  2277] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2274] <... write resumed>)        = 18
[pid  2274] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2274] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2270] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2275] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2274] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2272] <... clone3 resumed> => {parent_tid=[2277]}, 88) = 2277
[pid  2270] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2275] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2274] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2272] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2270] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2275] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2274] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2272] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2276] <... futex resumed>)        = 0
[pid  2275] <... futex resumed>)        = 1
[pid  2274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2273] <... futex resumed>)        = 0
[pid  2272] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2270] <... futex resumed>)        = 1
[pid  2277] <... futex resumed>)        = 0
[pid  2276] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2275] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2274] <... mmap resumed>)         = 0x7fb4de009000
[pid  2273] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2272] <... futex resumed>)        = 1
[pid  2277] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2276] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2275] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2270] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2277] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2276] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2275] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2274] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2273] <... futex resumed>)        = 0
[pid  2272] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2277] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2276] <... futex resumed>)        = 0
[pid  2275] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2274] <... mprotect resumed>)     = 0
[pid  2273] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2270] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2277] <... futex resumed>)        = 0
[pid  2276] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2275] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2274] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2273] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2272] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2277] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2275] <... futex resumed>)        = 0
[pid  2272] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2270] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2275] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2272] <... futex resumed>)        = 0
[pid  2270] <... futex resumed>)        = 1
[pid  2272] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2270] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2277] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2276] <... futex resumed>)        = 0
[pid  2274] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2273] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2277] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2276] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2275] <... futex resumed>)        = 0
[pid  2274] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2273] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 2278 attached
[pid  2277] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2276] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2275] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2273] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2277] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2276] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2274] <... clone3 resumed> => {parent_tid=[2278]}, 88) = 2278
[pid  2278] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2277] <... futex resumed>)        = 1
[pid  2276] <... futex resumed>)        = 1
[pid  2275] <... openat resumed>)       = 3
[pid  2274] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2272] <... futex resumed>)        = 0
[pid  2270] <... futex resumed>)        = 0
[pid  2278] <... set_robust_list resumed>) = 0
[pid  2277] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2276] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2275] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2274] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2272] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2270] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2278] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2277] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2276] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2275] <... futex resumed>)        = 1
[pid  2274] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2273] <... futex resumed>)        = 0
[pid  2272] <... futex resumed>)        = 0
[pid  2270] <... futex resumed>)        = 0
[pid  2278] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2277] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2276] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2275] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2274] <... futex resumed>)        = 0
[pid  2273] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2272] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2270] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2278] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2277] <... openat resumed>)       = 3
[pid  2276] <... openat resumed>)       = 3
[pid  2275] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2274] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2273] <... futex resumed>)        = 0
[pid  2277] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2276] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2275] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2273] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2278] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2277] <... futex resumed>)        = 1
[pid  2276] <... futex resumed>)        = 1
[pid  2275] <... write resumed>)        = 2
[pid  2278] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2272] <... futex resumed>)        = 0
[pid  2270] <... futex resumed>)        = 0
[pid  2278] <... futex resumed>)        = 1
[pid  2277] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2276] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2275] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2274] <... futex resumed>)        = 0
[pid  2272] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2278] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2277] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2276] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2275] <... futex resumed>)        = 1
[pid  2274] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2273] <... futex resumed>)        = 0
[pid  2272] <... futex resumed>)        = 0
[pid  2270] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2278] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2277] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2276] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2275] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2274] <... futex resumed>)        = 0
[pid  2273] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2272] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2270] <... futex resumed>)        = 0
[pid  2278] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2277] <... write resumed>)        = 2
[pid  2276] <... write resumed>)        = 2
[pid  2275] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2274] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2273] <... futex resumed>)        = 0
[pid  2277] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2276] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2278] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2277] <... futex resumed>)        = 1
[pid  2276] <... futex resumed>)        = 0
[pid  2275] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2273] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2272] <... futex resumed>)        = 0
[pid  2270] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2278] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2277] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2276] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2275] <... openat resumed>)       = 4
[pid  2272] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2270] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2277] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2272] <... futex resumed>)        = 0
[pid  2278] <... futex resumed>)        = 1
[pid  2277] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2272] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2278] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2275] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2270] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2275] <... futex resumed>)        = 1
[pid  2270] <... futex resumed>)        = 1
[pid  2275] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2277] <... openat resumed>)       = 4
[pid  2276] <... futex resumed>)        = 0
[pid  2274] <... futex resumed>)        = 0
[pid  2273] <... futex resumed>)        = 0
[pid  2270] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2277] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2276] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2274] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2273] exit_group(0 <unfinished ...>
[pid  2278] <... futex resumed>)        = 0
[pid  2277] <... futex resumed>)        = 1
[pid  2276] <... openat resumed>)       = 4
[pid  2275] <... futex resumed>)        = ?
[pid  2274] <... futex resumed>)        = 1
[pid  2273] <... exit_group resumed>)   = ?
[pid  2272] <... futex resumed>)        = 0
[pid  2278] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2277] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2276] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2275] +++ exited with 0 +++
[pid  2274] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2273] +++ exited with 0 +++
[pid  2272] exit_group(0 <unfinished ...>
[pid  2278] <... openat resumed>)       = 3
[pid  2277] <... futex resumed>)        = ?
[pid  2276] <... futex resumed>)        = 1
[pid  2272] <... exit_group resumed>)   = ?
[pid  2270] <... futex resumed>)        = 0
[pid  2278] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2277] +++ exited with 0 +++
[pid  2276] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2272] +++ exited with 0 +++
[pid  2278] <... futex resumed>)        = 1
[pid  2274] <... futex resumed>)        = 0
[pid  2270] exit_group(0 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2273, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2278] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2274] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2270] <... exit_group resumed>)   = ?
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2272, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2278] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2276] <... futex resumed>)        = ?
[pid  2274] <... futex resumed>)        = 0
[pid  2278] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2276] +++ exited with 0 +++
[pid  2274] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2270] +++ exited with 0 +++
[pid  2278] <... write resumed>)        = 2
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2270, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2278] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2278] <... futex resumed>)        = 1
[pid  2274] <... futex resumed>)        = 0
[pid  2278] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2274] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2278] <... openat resumed>)       = 4
[pid  2274] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2274] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2278] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2278] <... futex resumed>)        = 1
[pid  2274] <... futex resumed>)        = 0
[pid  2278] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2274] exit_group(0 <unfinished ...>
[pid  2278] <... futex resumed>)        = ?
[pid  2274] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 2279 attached
[pid  2278] +++ exited with 0 +++
[pid  2274] +++ exited with 0 +++
[pid  2279] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2279
[pid  2279] <... set_robust_list resumed>) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2274, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2279] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2279] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2279] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2279] setpgid(0, 0)               = 0
[pid  2279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2279] write(3, "1000", 4)         = 4
[pid   314] <... restart_syscall resumed>) = 0
[pid  2279] close(3)                    = 0
[pid  2279] write(1, "executing program\n", 18) = 18
executing program
[pid  2279] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2279] <... futex resumed>)        = 0
[pid  2279] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2279] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2279] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2279] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2279] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2280 attached
[pid  2279] <... mprotect resumed>)     = 0
[pid  2280] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2280
[pid  2280] <... set_robust_list resumed>) = 0
[pid  2279] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2280] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2280] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2280] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2279] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2280] <... prctl resumed>)        = 0
[pid  2279] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2281 attached
 => {parent_tid=[2281]}, 88) = 2281
[pid  2279] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2279] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2279] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2282 attached
 <unfinished ...>
[pid  2280] setpgid(0, 0)               = 0
[pid  2281] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2282] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2281] <... set_robust_list resumed>) = 0
[pid  2282] <... set_robust_list resumed>) = 0
[pid  2281] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2280] <... openat resumed>)       = 3
[pid  2281] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2283 attached
[pid  2282] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2280] write(3, "1000", 4 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2282
[pid  2282] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2281] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2280] <... write resumed>)        = 4
[pid  2283] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2282] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2281] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2280] close(3 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2283
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2283] <... set_robust_list resumed>) = 0
[pid  2282] <... prctl resumed>)        = 0
[pid  2281] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2283] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2282] setpgid(0, 0 <unfinished ...>
[pid  2281] <... futex resumed>)        = 1
[pid  2280] <... close resumed>)        = 0
[pid  2279] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2283] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2282] <... setpgid resumed>)      = 0
[pid  2281] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2280] write(1, "executing program\n", 18 <unfinished ...>
[pid  2279] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2283] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2281] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2282] <... openat resumed>)       = 3
[pid  2283] <... prctl resumed>)        = 0
[pid  2281] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2280] <... write resumed>)        = 18
[pid  2279] <... futex resumed>)        = 0
[pid  2283] setpgid(0, 0 <unfinished ...>
[pid  2282] write(3, "1000", 4 <unfinished ...>
[pid  2280] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  2279] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2283] <... setpgid resumed>)      = 0
[pid  2282] <... write resumed>)        = 4
[pid  2281] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2280] <... futex resumed>)        = 0
[pid  2283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2282] close(3 <unfinished ...>
[pid  2281] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2280] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2282] <... close resumed>)        = 0
[pid  2283] <... openat resumed>)       = 3
[pid  2282] write(1, "executing program\n", 18 <unfinished ...>
[pid  2281] <... futex resumed>)        = 1
[pid  2280] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2279] <... futex resumed>)        = 0
executing program
[pid  2283] write(3, "1000", 4 <unfinished ...>
[pid  2282] <... write resumed>)        = 18
[pid  2281] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2280] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2279] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2283] <... write resumed>)        = 4
[pid  2282] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2281] <... openat resumed>)       = 3
[pid  2280] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2279] <... futex resumed>)        = 0
[pid  2283] close(3 <unfinished ...>
[pid  2282] <... futex resumed>)        = 0
[pid  2281] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2279] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2283] <... close resumed>)        = 0
[pid  2282] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2281] <... futex resumed>)        = 0
[pid  2280] <... mmap resumed>)         = 0x7fb4de009000
[pid  2279] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2283] write(1, "executing program\n", 18 <unfinished ...>
[pid  2282] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2281] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2280] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2279] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2283] <... write resumed>)        = 18
[pid  2282] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2281] <... write resumed>)        = 2
[pid  2279] <... futex resumed>)        = 0
[pid  2283] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2282] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2281] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2280] <... mprotect resumed>)     = 0
[pid  2283] <... futex resumed>)        = 0
[pid  2282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2281] <... futex resumed>)        = 0
executing program
[pid  2283] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2282] <... mmap resumed>)         = 0x7fb4de009000
[pid  2281] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2280] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2279] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2283] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2282] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2280] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2279] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2283] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2282] <... mprotect resumed>)     = 0
[pid  2280] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2279] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2283] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2281] <... futex resumed>)        = 0
[pid  2279] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 2284 attached
[pid  2283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2282] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2281] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2279] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2284] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2283] <... mmap resumed>)         = 0x7fb4de009000
[pid  2282] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2281] <... openat resumed>)       = 4
[pid  2280] <... clone3 resumed> => {parent_tid=[2284]}, 88) = 2284
[pid  2282] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2283] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2284] <... set_robust_list resumed>) = 0
[pid  2280] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2284] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2283] <... mprotect resumed>)     = 0
[pid  2280] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2285 attached
[pid  2284] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2283] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2281] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2280] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2285] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2284] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2283] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2281] <... futex resumed>)        = 1
[pid  2280] <... futex resumed>)        = 0
[pid  2282] <... clone3 resumed> => {parent_tid=[2285]}, 88) = 2285
[pid  2279] <... futex resumed>)        = 0
[pid  2285] <... set_robust_list resumed>) = 0
[pid  2284] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2283] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2282] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2281] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2280] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2279] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 2286 attached
 <unfinished ...>
[pid  2285] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2284] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2282] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2281] <... futex resumed>)        = ?
[pid  2280] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2279] <... exit_group resumed>)   = ?
[pid  2286] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2285] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2284] <... futex resumed>)        = 0
[pid  2283] <... clone3 resumed> => {parent_tid=[2286]}, 88) = 2286
[pid  2282] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2281] +++ exited with 0 +++
[pid  2280] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2286] <... set_robust_list resumed>) = 0
[pid  2285] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2284] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2283] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2282] <... futex resumed>)        = 0
[pid  2280] <... futex resumed>)        = 0
[pid  2286] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2285] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2283] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2282] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2286] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2284] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2280] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2285] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2283] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2286] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2285] <... futex resumed>)        = 1
[pid  2284] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2283] <... futex resumed>)        = 0
[pid  2282] <... futex resumed>)        = 0
[pid  2286] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2285] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2284] <... futex resumed>)        = 1
[pid  2282] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2280] <... futex resumed>)        = 0
[pid  2286] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2285] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2284] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2283] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2282] <... futex resumed>)        = 0
[pid  2280] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2286] <... futex resumed>)        = 0
[pid  2285] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2284] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2283] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2282] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2280] <... futex resumed>)        = 0
[pid  2286] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2285] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2284] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2283] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2280] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2286] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2285] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2284] <... openat resumed>)       = 3
[pid  2286] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2285] <... futex resumed>)        = 1
[pid  2284] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2283] <... futex resumed>)        = 0
[pid  2282] <... futex resumed>)        = 0
[pid  2285] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2284] <... futex resumed>)        = 1
[pid  2283] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2282] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2280] <... futex resumed>)        = 0
[pid  2286] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2285] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2284] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2282] <... futex resumed>)        = 0
[pid  2280] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2286] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2285] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2284] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2282] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2280] <... futex resumed>)        = 0
[pid  2286] <... futex resumed>)        = 1
[pid  2285] <... openat resumed>)       = 3
[pid  2284] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2283] <... futex resumed>)        = 0
[pid  2280] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2286] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2285] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2284] <... write resumed>)        = 2
[pid  2283] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2286] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2285] <... futex resumed>)        = 1
[pid  2284] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2283] <... futex resumed>)        = 0
[pid  2282] <... futex resumed>)        = 0
[pid  2286] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2285] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2284] <... futex resumed>)        = 1
[pid  2283] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2282] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2280] <... futex resumed>)        = 0
[pid  2286] <... openat resumed>)       = 3
[pid  2285] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2284] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2282] <... futex resumed>)        = 0
[pid  2280] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2286] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2285] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2284] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2282] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2280] <... futex resumed>)        = 0
[pid  2286] <... futex resumed>)        = 1
[pid  2285] <... write resumed>)        = 2
[pid  2284] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2283] <... futex resumed>)        = 0
[pid  2279] +++ exited with 0 +++
[pid  2280] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2286] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2279, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2285] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2283] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2284] <... openat resumed>)       = 4
[pid  2283] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2286] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2285] <... futex resumed>)        = 1
[pid  2284] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2285] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2286] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2284] <... futex resumed>)        = 1
[pid  2286] <... write resumed>)        = 2
[pid  2284] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2286] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2283] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2282] <... futex resumed>)        = 0
[pid  2280] <... futex resumed>)        = 0
[pid  2286] <... futex resumed>)        = 0
[pid  2283] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2282] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2280] exit_group(0 <unfinished ...>
[pid  2286] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2285] <... futex resumed>)        = 0
[pid  2283] <... futex resumed>)        = 0
[pid  2282] <... futex resumed>)        = 1
[pid  2280] <... exit_group resumed>)   = ?
[pid  2284] <... futex resumed>)        = ?
[pid  2286] <... openat resumed>)       = 4
[pid  2285] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2283] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2282] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2284] +++ exited with 0 +++
[pid  2280] +++ exited with 0 +++
[pid  2285] <... openat resumed>)       = 4
[pid  2286] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2285] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2286] <... futex resumed>)        = 1
[pid  2283] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2280, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 2287 attached
[pid  2286] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2285] <... futex resumed>)        = 1
[pid  2283] exit_group(0 <unfinished ...>
[pid  2282] <... futex resumed>)        = 0
[pid  2287] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2286] <... futex resumed>)        = ?
[pid  2285] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2283] <... exit_group resumed>)   = ?
[pid  2282] exit_group(0 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2287] <... set_robust_list resumed>) = 0
[pid  2286] +++ exited with 0 +++
[pid  2285] <... futex resumed>)        = ?
[pid  2283] +++ exited with 0 +++
[pid  2282] <... exit_group resumed>)   = ?
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2287
[pid  2287] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2285] +++ exited with 0 +++
[pid  2282] +++ exited with 0 +++
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2287] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2283, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2282, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2287] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2287] <... prctl resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  2287] setpgid(0, 0)               = 0
[pid  2287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2287] <... openat resumed>)       = 3
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2287] write(3, "1000", 4)         = 4
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2287] close(3)                    = 0
[pid  2287] write(1, "executing program\n", 18) = 18
[pid  2287] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2288 attached
 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2288
[pid  2288] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2287] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2288] <... set_robust_list resumed>) = 0
[pid  2287] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2288] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2287] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2288] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2287] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
executing program
[pid  2288] <... prctl resumed>)        = 0
[pid  2287] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2288] setpgid(0, 0 <unfinished ...>
[pid  2287] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2288] <... setpgid resumed>)      = 0
[pid  2287] <... mmap resumed>)         = 0x7fb4de009000
[pid  2287] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2287] <... mprotect resumed>)     = 0
[pid  2288] <... openat resumed>)       = 3
[pid  2287] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2288] write(3, "1000", 4 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2288] <... write resumed>)        = 4
[pid  2288] close(3)                    = 0
[pid  2287] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  2288] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  2287] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2289 attached
 <unfinished ...>
[pid  2288] <... write resumed>)        = 18
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2289] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2287] <... clone3 resumed> => {parent_tid=[2289]}, 88) = 2289
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2289] <... set_robust_list resumed>) = 0
[pid  2288] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2287] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2288] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2288] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2289] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2287] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2288] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2290 attached
[pid  2289] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2288] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2287] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2291 attached
 <unfinished ...>
[pid  2290] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2289] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2288] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2287] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2290
[pid  2290] <... set_robust_list resumed>) = 0
[pid  2288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2291] set_robust_list(0x55557716c6a0, 24) = 0
[pid  2290] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2289] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2288] <... mmap resumed>)         = 0x7fb4de009000
[pid  2287] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2291] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2290] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2289] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2288] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2287] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2291
[pid  2291] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2290] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2289] <... futex resumed>)        = 0
[pid  2287] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2291] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2290] <... prctl resumed>)        = 0
[pid  2289] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2288] <... mprotect resumed>)     = 0
[pid  2287] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2291] <... prctl resumed>)        = 0
[pid  2290] setpgid(0, 0 <unfinished ...>
[pid  2289] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2288] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2287] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2291] setpgid(0, 0 <unfinished ...>
[pid  2290] <... setpgid resumed>)      = 0
[pid  2289] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2288] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2287] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2291] <... setpgid resumed>)      = 0
[pid  2289] <... futex resumed>)        = 0
[pid  2287] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2289] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2288] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2287] <... futex resumed>)        = 0
[pid  2291] <... openat resumed>)       = 3
[pid  2289] <... openat resumed>)       = 3
[pid  2287] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2292 attached
 <unfinished ...>
[pid  2291] write(3, "1000", 4 <unfinished ...>
[pid  2290] <... openat resumed>)       = 3
[pid  2289] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2287] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2292] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2291] <... write resumed>)        = 4
[pid  2290] write(3, "1000", 4 <unfinished ...>
[pid  2289] <... futex resumed>)        = 0
[pid  2288] <... clone3 resumed> => {parent_tid=[2292]}, 88) = 2292
[pid  2287] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2292] <... set_robust_list resumed>) = 0
[pid  2291] close(3 <unfinished ...>
[pid  2290] <... write resumed>)        = 4
[pid  2289] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2288] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2287] <... futex resumed>)        = 0
[pid  2292] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2291] <... close resumed>)        = 0
[pid  2290] close(3 <unfinished ...>
[pid  2289] <... write resumed>)        = 2
[pid  2288] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2287] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2292] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2291] write(1, "executing program\n", 18 <unfinished ...>
[pid  2290] <... close resumed>)        = 0
[pid  2289] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2288] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2287] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2292] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2291] <... write resumed>)        = 18
[pid  2290] write(1, "executing program\n", 18 <unfinished ...>
[pid  2289] <... futex resumed>)        = 0
executing program
executing program
[pid  2288] <... futex resumed>)        = 0
[pid  2287] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2292] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2291] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2290] <... write resumed>)        = 18
[pid  2289] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2292] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2291] <... futex resumed>)        = 0
[pid  2290] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2289] <... openat resumed>)       = 4
[pid  2288] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2287] <... futex resumed>)        = 0
[pid  2292] <... futex resumed>)        = 0
[pid  2291] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2290] <... futex resumed>)        = 0
[pid  2289] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2288] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2287] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2292] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2291] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2290] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2288] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2292] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2291] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2290] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2288] <... futex resumed>)        = 0
[pid  2292] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2291] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2290] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2288] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2292] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2290] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2289] <... futex resumed>)        = 0
[pid  2287] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2292] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2291] <... mmap resumed>)         = 0x7fb4de009000
[pid  2290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2289] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2287] exit_group(0 <unfinished ...>
[pid  2292] <... futex resumed>)        = 1
[pid  2291] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2290] <... mmap resumed>)         = 0x7fb4de009000
[pid  2289] <... futex resumed>)        = ?
[pid  2288] <... futex resumed>)        = 0
[pid  2287] <... exit_group resumed>)   = ?
[pid  2292] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2289] +++ exited with 0 +++
[pid  2292] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2291] <... mprotect resumed>)     = 0
[pid  2290] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2288] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2292] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2291] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2290] <... mprotect resumed>)     = 0
[pid  2288] <... futex resumed>)        = 0
[pid  2292] <... openat resumed>)       = 3
[pid  2288] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2287] +++ exited with 0 +++
[pid  2292] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2291] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2290] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2288] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2292] <... futex resumed>)        = 0
[pid  2291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2290] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2288] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2287, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 2293 attached
[pid  2292] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2288] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2292] <... write resumed>)        = 2
[pid  2293] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2292] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2291] <... clone3 resumed> => {parent_tid=[2293]}, 88) = 2293
[pid  2288] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2293] <... set_robust_list resumed>) = 0
[pid  2292] <... futex resumed>)        = 0
[pid  2291] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2290] <... clone3 resumed> => {parent_tid=[2294]}, 88) = 2294
[pid  2288] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2292] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2291] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2290] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2288] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2292] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2291] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2290] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2288] <... futex resumed>)        = 0
[pid  2292] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2291] <... futex resumed>)        = 0
[pid  2290] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2288] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2294 attached
 <unfinished ...>
[pid  2293] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2292] <... openat resumed>)       = 4
[pid  2291] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2290] <... futex resumed>)        = 0
[pid  2294] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2293] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2292] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2294] <... set_robust_list resumed>) = 0
[pid  2293] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2290] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2294] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2293] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2292] <... futex resumed>)        = 1
[pid  2288] <... futex resumed>)        = 0
[pid  2294] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2293] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2292] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2294] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2293] <... futex resumed>)        = 1
[pid  2291] <... futex resumed>)        = 0
[pid  2288] exit_group(0 <unfinished ...>
[pid  2294] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2293] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2291] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2294] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2293] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2292] <... futex resumed>)        = ?
[pid  2291] <... futex resumed>)        = 0
[pid  2288] <... exit_group resumed>)   = ?
[pid  2294] <... futex resumed>)        = 1
[pid  2293] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2290] <... futex resumed>)        = 0
[pid  2293] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2292] +++ exited with 0 +++
[pid  2291] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2293] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2293] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2288] +++ exited with 0 +++
[pid  2294] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2290] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2288, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2291] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2294] <... futex resumed>)        = 0
[pid  2290] <... futex resumed>)        = 1
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2291] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2294] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2290] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2291] <... futex resumed>)        = 1
[pid  2294] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2293] <... futex resumed>)        = 0
[pid  2291] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2294] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2293] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2294] <... futex resumed>)        = 1
[pid  2293] <... openat resumed>)       = 3
[pid  2290] <... futex resumed>)        = 0
[pid  2294] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2293] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2294] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2293] <... futex resumed>)        = 1
[pid  2290] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2294] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2293] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2291] <... futex resumed>)        = 0
[pid  2290] <... futex resumed>)        = 0
[pid  2294] <... openat resumed>)       = 3
[pid  2291] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2290] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2294] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2293] <... futex resumed>)        = 0
[pid  2291] <... futex resumed>)        = 1
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2294] <... futex resumed>)        = 0
[pid  2293] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2291] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2290] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2294] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2290] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2294] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2290] <... futex resumed>)        = 0
[pid  2294] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2293] <... write resumed>)        = 2
[pid  2290] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  2294] <... write resumed>)        = 2
[pid  2293] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2294] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2293] <... futex resumed>)        = 1
[pid  2291] <... futex resumed>)        = 0
[pid  2293] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2295
ci2-android-6-12-rust/strace-static-x86_64: Process 2295 attached
[pid  2294] <... futex resumed>)        = 1
[pid  2291] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2294] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2293] <... futex resumed>)        = 0
[pid  2291] <... futex resumed>)        = 1
[pid  2295] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2293] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2291] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2290] <... futex resumed>)        = 0
[pid  2295] <... set_robust_list resumed>) = 0
[pid  2293] <... openat resumed>)       = 4
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2290] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2295] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2294] <... futex resumed>)        = 0
[pid  2295] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2290] <... futex resumed>)        = 1
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2294] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2290] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2293] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2294] <... openat resumed>)       = 4
[pid  2293] <... futex resumed>)        = 1
[pid  2291] <... futex resumed>)        = 0
[pid  2293] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2291] exit_group(0 <unfinished ...>
[pid  2293] <... futex resumed>)        = ?
[pid  2291] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 2296 attached
[pid  2295] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2294] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2293] +++ exited with 0 +++
[pid  2291] +++ exited with 0 +++
[pid  2296] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2295] <... prctl resumed>)        = 0
[pid  2294] <... futex resumed>)        = 1
[pid  2290] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2291, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2296] <... set_robust_list resumed>) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2296
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2296] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2295] setpgid(0, 0 <unfinished ...>
[pid  2294] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2290] exit_group(0 <unfinished ...>
[pid  2296] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2296] setpgid(0, 0)               = 0
[pid  2296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2295] <... setpgid resumed>)      = 0
[pid  2294] <... futex resumed>)        = ?
[pid  2290] <... exit_group resumed>)   = ?
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2296] <... openat resumed>)       = 3
[pid  2296] write(3, "1000", 4)         = 4
[pid  2296] close(3)                    = 0
[pid  2296] write(1, "executing program\n", 18) = 18
[pid  2296] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2296] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2296] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2294] +++ exited with 0 +++
[pid  2290] +++ exited with 0 +++
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2296] <... mmap resumed>)         = 0x7fb4de009000
[pid  2295] <... openat resumed>)       = 3
[pid  2296] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2290, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
executing program
[pid  2295] write(3, "1000", 4 <unfinished ...>
[pid  2296] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2295] <... write resumed>)        = 4
[pid  2296] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2295] close(3)                    = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2297 attached
[pid  2296] <... clone3 resumed> => {parent_tid=[2297]}, 88) = 2297
[pid  2295] write(1, "executing program\n", 18 <unfinished ...>
[pid  2296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2296] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2296] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2297] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2297] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  2297] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2296] <... futex resumed>)        = 0
[pid  2297] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2296] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2297] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2296] <... futex resumed>)        = 0
[pid  2297] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2296] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2297] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   313] <... restart_syscall resumed>) = 0
executing program
[pid  2295] <... write resumed>)        = 18
[pid   312] <... restart_syscall resumed>) = 0
[pid  2297] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2296] <... futex resumed>)        = 0
[pid  2295] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2297] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2296] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2295] <... futex resumed>)        = 0
[pid  2297] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2296] <... futex resumed>)        = 0
[pid  2295] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2297] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2295] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2295] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2295] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2297] <... openat resumed>)       = 3
[pid  2296] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2298 attached
 <unfinished ...>
[pid  2297] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2296] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2297] <... futex resumed>)        = 0
[pid  2296] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2299 attached
 <unfinished ...>
[pid  2297] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2296] <... futex resumed>)        = 0
[pid  2295] <... mmap resumed>)         = 0x7fb4de009000
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2298
[pid  2298] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2297] <... write resumed>)        = 2
[pid  2296] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2299] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2295] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2299
[pid  2297] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2298] <... set_robust_list resumed>) = 0
[pid  2296] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2299] <... set_robust_list resumed>) = 0
[pid  2295] <... mprotect resumed>)     = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2298] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2297] <... futex resumed>)        = 0
[pid  2296] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2299] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2298] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2297] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2296] <... futex resumed>)        = 0
[pid  2295] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2299] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2298] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2297] <... openat resumed>)       = 4
[pid  2296] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2295] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2297] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2299] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2298] <... prctl resumed>)        = 0
[pid  2297] <... futex resumed>)        = 1
[pid  2296] <... futex resumed>)        = 0
[pid  2295] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2299] <... prctl resumed>)        = 0
[pid  2298] setpgid(0, 0 <unfinished ...>
[pid  2297] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2296] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 2300 attached
 <unfinished ...>
[pid  2299] setpgid(0, 0 <unfinished ...>
[pid  2298] <... setpgid resumed>)      = 0
[pid  2299] <... setpgid resumed>)      = 0
[pid  2300] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2297] <... futex resumed>)        = ?
[pid  2296] <... exit_group resumed>)   = ?
[pid  2300] <... set_robust_list resumed>) = 0
[pid  2299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2298] <... openat resumed>)       = 3
[pid  2297] +++ exited with 0 +++
[pid  2296] +++ exited with 0 +++
[pid  2295] <... clone3 resumed> => {parent_tid=[2300]}, 88) = 2300
[pid  2300] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2295] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2300] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2298] write(3, "1000", 4 <unfinished ...>
[pid  2295] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2300] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2299] <... openat resumed>)       = 3
[pid  2298] <... write resumed>)        = 4
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2296, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2295] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2299] write(3, "1000", 4 <unfinished ...>
[pid  2300] <... futex resumed>)        = 0
[pid  2299] <... write resumed>)        = 4
[pid  2298] close(3 <unfinished ...>
[pid  2295] <... futex resumed>)        = 1
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2300] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2299] close(3 <unfinished ...>
[pid  2295] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2298] <... close resumed>)        = 0
[pid  2300] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2299] <... close resumed>)        = 0
[pid  2298] write(1, "executing program\n", 18 <unfinished ...>
[pid  2300] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2299] write(1, "executing program\n", 18 <unfinished ...>
[pid  2300] <... futex resumed>)        = 1
executing program
[pid  2299] <... write resumed>)        = 18
[pid  2300] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2299] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2299] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2299] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2299] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2295] <... futex resumed>)        = 0
[pid  2299] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2298] <... write resumed>)        = 18
executing program
[pid  2295] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2299] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2298] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2300] <... futex resumed>)        = 0
[pid  2299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2298] <... futex resumed>)        = 0
[pid  2295] <... futex resumed>)        = 1
[pid  2300] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2298] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2295] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2298] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2298] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 2301 attached
 <unfinished ...>
[pid  2300] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2299] <... clone3 resumed> => {parent_tid=[2301]}, 88) = 2301
[pid  2298] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2301] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2300] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2299] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2301] <... set_robust_list resumed>) = 0
[pid  2300] <... futex resumed>)        = 1
[pid  2299] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2295] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2301] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2299] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2301] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2300] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2299] <... futex resumed>)        = 0
[pid  2301] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2300] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2299] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2295] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2301] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2300] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  2298] <... mmap resumed>)         = 0x7fb4de009000
[pid  2295] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2298] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2295] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2301] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2300] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2301] <... futex resumed>)        = 1
[pid  2300] <... futex resumed>)        = 0
[pid  2299] <... futex resumed>)        = 0
[pid  2301] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2300] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2299] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2301] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2299] <... futex resumed>)        = 0
[pid  2301] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2299] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2301] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2295] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2295] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2298] <... mprotect resumed>)     = 0
[pid  2300] <... futex resumed>)        = 0
[pid  2295] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 2302 attached
[pid  2301] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2300] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2298] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2295] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2302] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2301] <... futex resumed>)        = 1
[pid  2300] <... write resumed>)        = 2
[pid  2299] <... futex resumed>)        = 0
[pid  2298] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2302
[pid  2302] <... set_robust_list resumed>) = 0
[pid  2301] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2300] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2299] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2302] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2301] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2300] <... futex resumed>)        = 1
[pid  2299] <... futex resumed>)        = 0
[pid  2295] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2302] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2301] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2300] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2299] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2295] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2302] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2301] <... openat resumed>)       = 3
[pid  2300] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2300] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2295] <... futex resumed>)        = 0
[pid  2298] <... clone3 resumed> => {parent_tid=[2303]}, 88) = 2303
[pid  2298] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2295] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2303 attached
 <unfinished ...>
[pid  2302] <... prctl resumed>)        = 0
[pid  2301] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2300] <... openat resumed>)       = 4
[pid  2298] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2303] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2302] setpgid(0, 0 <unfinished ...>
[pid  2301] <... futex resumed>)        = 1
[pid  2299] <... futex resumed>)        = 0
[pid  2298] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2303] <... set_robust_list resumed>) = 0
[pid  2302] <... setpgid resumed>)      = 0
[pid  2301] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2299] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2303] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2301] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2300] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2299] <... futex resumed>)        = 0
[pid  2298] <... futex resumed>)        = 0
[pid  2303] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2302] <... openat resumed>)       = 3
[pid  2301] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2299] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2298] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2295] <... futex resumed>)        = 0
[pid  2300] <... futex resumed>)        = 1
[pid  2303] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2302] write(3, "1000", 4 <unfinished ...>
[pid  2301] <... write resumed>)        = 2
[pid  2295] exit_group(0 <unfinished ...>
[pid  2303] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2302] <... write resumed>)        = 4
[pid  2301] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2295] <... exit_group resumed>)   = ?
[pid  2303] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2302] close(3 <unfinished ...>
[pid  2303] <... futex resumed>)        = 1
[pid  2302] <... close resumed>)        = 0
[pid  2301] <... futex resumed>)        = 1
[pid  2300] +++ exited with 0 +++
[pid  2299] <... futex resumed>)        = 0
[pid  2298] <... futex resumed>)        = 0
[pid  2303] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2302] write(1, "executing program\n", 18 <unfinished ...>
[pid  2301] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
executing program
[pid  2299] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2298] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2303] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2302] <... write resumed>)        = 18
[pid  2301] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2299] <... futex resumed>)        = 0
[pid  2303] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2302] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2301] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2299] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2303] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2302] <... futex resumed>)        = 0
[pid  2301] <... openat resumed>)       = 4
[pid  2302] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2303] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2302] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2301] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2303] <... futex resumed>)        = 0
[pid  2302] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2299] <... futex resumed>)        = 0
[pid  2303] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2302] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2301] <... futex resumed>)        = 1
[pid  2299] exit_group(0 <unfinished ...>
[pid  2302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2299] <... exit_group resumed>)   = ?
[pid  2302] <... mmap resumed>)         = 0x7fb4de009000
[pid  2301] +++ exited with 0 +++
[pid  2299] +++ exited with 0 +++
[pid  2298] <... futex resumed>)        = 1
[pid  2295] +++ exited with 0 +++
[pid  2302] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2298] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2295, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2303] <... futex resumed>)        = 0
[pid  2302] <... mprotect resumed>)     = 0
[pid  2298] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2299, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2303] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2302] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2298] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2303] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2302] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2298] <... futex resumed>)        = 0
[pid  2303] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2298] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2303] <... openat resumed>)       = 3
[pid  2302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2304 attached
 <unfinished ...>
[pid  2303] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2298] <... futex resumed>)        = 0
[pid  2303] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2302] <... clone3 resumed> => {parent_tid=[2304]}, 88) = 2304
[pid  2303] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2302] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2298] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2303] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2302] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2298] <... futex resumed>)        = 0
[pid  2304] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2298] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2304] <... set_robust_list resumed>) = 0
[pid  2303] <... write resumed>)        = 2
[pid  2302] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2304] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2303] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2302] <... futex resumed>)        = 0
[pid  2298] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2304] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2303] <... futex resumed>)        = 0
[pid  2302] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2298] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2303] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2304] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2303] <... openat resumed>)       = 4
[pid  2298] <... futex resumed>)        = 0
[pid  2304] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2298] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2304] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2303] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2302] <... futex resumed>)        = 0
[pid  2304] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2303] <... futex resumed>)        = 1
[pid  2302] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2298] <... futex resumed>)        = 0
[pid  2304] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2303] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2302] <... futex resumed>)        = 0
[pid  2298] exit_group(0 <unfinished ...>
[pid  2304] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2298] <... exit_group resumed>)   = ?
[pid  2304] <... futex resumed>)        = 0
[pid  2304] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2303] <... futex resumed>)        = ?
[pid  2302] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2303] +++ exited with 0 +++
[pid  2302] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2298] +++ exited with 0 +++
[pid  2302] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2304] <... futex resumed>)        = 0
[pid  2302] <... futex resumed>)        = 1
[pid  2304] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2302] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2298, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2304] <... openat resumed>)       = 3
[pid  2304] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2304] <... futex resumed>)        = 1
[pid  2302] <... futex resumed>)        = 0
[pid  2302] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2304] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2302] <... futex resumed>)        = 0
[pid  2304] <... write resumed>)        = 2
[pid  2302] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2304] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2304] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2302] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2302] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2304] <... futex resumed>)        = 0
[pid  2302] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2304] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid  2304] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2302] <... futex resumed>)        = 0
[pid  2302] exit_group(0 <unfinished ...>
[pid  2304] <... futex resumed>)        = ?
[pid  2302] <... exit_group resumed>)   = ?
[pid  2304] +++ exited with 0 +++
[pid  2302] +++ exited with 0 +++
[pid   313] <... restart_syscall resumed>) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2302, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2305 attached
, [], 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2305] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2306 attached
 <unfinished ...>
[pid  2305] <... set_robust_list resumed>) = 0
[pid  2305] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2306
ci2-android-6-12-rust/strace-static-x86_64: Process 2307 attached
[pid  2306] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2305] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2305
[pid  2307] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2306] <... set_robust_list resumed>) = 0
[pid  2305] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2307
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2307] <... set_robust_list resumed>) = 0
[pid  2306] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2305] <... prctl resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2307] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2306] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2305] setpgid(0, 0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2305] <... setpgid resumed>)      = 0
[pid  2306] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2307] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2306] <... prctl resumed>)        = 0
[pid  2307] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2305] <... openat resumed>)       = 3
[pid  2307] <... prctl resumed>)        = 0
[pid  2306] setpgid(0, 0 <unfinished ...>
[pid  2305] write(3, "1000", 4 <unfinished ...>
[pid  2307] setpgid(0, 0)               = 0
[pid  2306] <... setpgid resumed>)      = 0
[pid  2305] <... write resumed>)        = 4
[pid  2306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2305] close(3 <unfinished ...>
[pid  2307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2305] <... close resumed>)        = 0
[pid  2305] write(1, "executing program\n", 18) = 18
[pid  2305] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2305] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2307] <... openat resumed>)       = 3
executing program
[pid  2306] <... openat resumed>)       = 3
[pid  2305] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2305] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2307] write(3, "1000", 4 <unfinished ...>
[pid  2306] write(3, "1000", 4 <unfinished ...>
[pid  2305] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2307] <... write resumed>)        = 4
[pid  2307] close(3 <unfinished ...>
[pid  2306] <... write resumed>)        = 4
[pid  2305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2307] <... close resumed>)        = 0
[pid  2306] close(3 <unfinished ...>
[pid  2307] write(1, "executing program\n", 18 <unfinished ...>
[pid  2306] <... close resumed>)        = 0
[pid  2305] <... mmap resumed>)         = 0x7fb4de009000
[pid   314] <... restart_syscall resumed>) = 0
[pid  2307] <... write resumed>)        = 18
executing program
[pid  2306] write(1, "executing program\n", 18 <unfinished ...>
[pid  2305] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
executing program
[pid  2307] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2306] <... write resumed>)        = 18
[pid  2305] <... mprotect resumed>)     = 0
[pid  2307] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2306] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2305] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2307] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2306] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2307] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2306] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2305] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2307] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2306] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2306] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 2308 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2309 attached
 <unfinished ...>
[pid  2307] <... mmap resumed>)         = 0x7fb4de009000
[pid  2306] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2305] <... clone3 resumed> => {parent_tid=[2308]}, 88) = 2308
[pid  2309] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2308] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2307] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2309] <... set_robust_list resumed>) = 0
[pid  2308] <... set_robust_list resumed>) = 0
[pid  2309] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2308] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2309] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2305] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2308] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2309] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2305] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2308] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2309] <... prctl resumed>)        = 0
[pid  2309] setpgid(0, 0)               = 0
[pid  2307] <... mprotect resumed>)     = 0
[pid  2306] <... mmap resumed>)         = 0x7fb4de009000
[pid  2305] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2308] <... futex resumed>)        = 0
[pid  2307] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2306] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2305] <... futex resumed>)        = 1
[pid  2309] <... openat resumed>)       = 3
[pid  2308] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2307] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2306] <... mprotect resumed>)     = 0
[pid  2305] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2309
[pid  2309] write(3, "1000", 4 <unfinished ...>
[pid  2308] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2307] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2306] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2310 attached
 <unfinished ...>
[pid  2309] <... write resumed>)        = 4
[pid  2308] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2306] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2310] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2309] close(3 <unfinished ...>
[pid  2308] <... futex resumed>)        = 1
[pid  2307] <... clone3 resumed> => {parent_tid=[2310]}, 88) = 2310
[pid  2306] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2305] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2311 attached
[pid  2310] <... set_robust_list resumed>) = 0
[pid  2309] <... close resumed>)        = 0
[pid  2308] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2307] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2305] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2311] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2310] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2309] write(1, "executing program\n", 18 <unfinished ...>
[pid  2308] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2307] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2306] <... clone3 resumed> => {parent_tid=[2311]}, 88) = 2311
[pid  2305] <... futex resumed>)        = 0
[pid  2310] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2309] <... write resumed>)        = 18
[pid  2308] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2305] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
executing program
[pid  2310] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2311] <... set_robust_list resumed>) = 0
[pid  2309] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2308] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2307] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2306] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2311] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2310] <... futex resumed>)        = 0
[pid  2309] <... futex resumed>)        = 0
[pid  2308] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2307] <... futex resumed>)        = 1
[pid  2306] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2311] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2310] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2309] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2308] <... futex resumed>)        = 1
[pid  2307] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2306] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2305] <... futex resumed>)        = 0
[pid  2311] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2310] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2309] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2308] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2306] <... futex resumed>)        = 0
[pid  2305] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2311] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2310] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2309] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2308] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2306] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2305] <... futex resumed>)        = 0
[pid  2311] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2310] <... futex resumed>)        = 1
[pid  2309] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2308] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2307] <... futex resumed>)        = 0
[pid  2306] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2305] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2311] <... futex resumed>)        = 0
[pid  2310] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2308] <... openat resumed>)       = 3
[pid  2307] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2306] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2311] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2310] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2309] <... mmap resumed>)         = 0x7fb4de009000
[pid  2308] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2310] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2309] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2308] <... futex resumed>)        = 1
[pid  2305] <... futex resumed>)        = 0
[pid  2308] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2306] <... futex resumed>)        = 0
[pid  2305] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2310] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2308] <... write resumed>)        = 2
[pid  2305] <... futex resumed>)        = 0
[pid  2308] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2305] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2310] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2309] <... mprotect resumed>)     = 0
[pid  2308] <... futex resumed>)        = 0
[pid  2305] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2308] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2305] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2308] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2305] <... futex resumed>)        = 0
[pid  2310] <... futex resumed>)        = 0
[pid  2308] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2310] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2309] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2305] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2311] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2310] <... futex resumed>)        = 0
[pid  2309] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2308] <... openat resumed>)       = 4
[pid  2307] <... futex resumed>)        = 1
[pid  2306] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2311] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2310] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2308] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2307] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2311] <... futex resumed>)        = 0
[pid  2307] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2306] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 2312 attached
[pid  2311] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2308] <... futex resumed>)        = 1
[pid  2307] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2306] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2305] <... futex resumed>)        = 0
[pid  2312] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2311] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2310] <... futex resumed>)        = 0
[pid  2309] <... clone3 resumed> => {parent_tid=[2312]}, 88) = 2312
[pid  2308] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2307] <... futex resumed>)        = 1
[pid  2306] <... futex resumed>)        = 0
[pid  2305] exit_group(0 <unfinished ...>
[pid  2312] <... set_robust_list resumed>) = 0
[pid  2311] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2310] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2309] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2308] <... futex resumed>)        = ?
[pid  2307] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2306] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2305] <... exit_group resumed>)   = ?
[pid  2312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2311] <... openat resumed>)       = 3
[pid  2310] <... openat resumed>)       = 3
[pid  2309] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2308] +++ exited with 0 +++
[pid  2311] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2310] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2309] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2311] <... futex resumed>)        = 1
[pid  2310] <... futex resumed>)        = 1
[pid  2309] <... futex resumed>)        = 0
[pid  2307] <... futex resumed>)        = 0
[pid  2306] <... futex resumed>)        = 0
[pid  2312] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2311] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2310] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2309] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2307] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2306] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2312] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2311] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2310] <... write resumed>)        = 2
[pid  2307] <... futex resumed>)        = 0
[pid  2306] <... futex resumed>)        = 0
[pid  2305] +++ exited with 0 +++
[pid  2312] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2311] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2310] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2307] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2306] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2312] <... futex resumed>)        = 1
[pid  2311] <... write resumed>)        = 2
[pid  2310] <... futex resumed>)        = 0
[pid  2309] <... futex resumed>)        = 0
[pid  2307] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2305, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2312] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2311] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2310] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2309] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2307] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2312] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2311] <... futex resumed>)        = 1
[pid  2310] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2309] <... futex resumed>)        = 0
[pid  2307] <... futex resumed>)        = 0
[pid  2306] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2312] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2311] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2310] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2309] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2307] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2306] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2312] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2311] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2310] <... openat resumed>)       = 4
[pid  2306] <... futex resumed>)        = 0
[pid  2312] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2311] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2306] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2312] <... futex resumed>)        = 1
[pid  2311] <... openat resumed>)       = 4
[pid  2310] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2309] <... futex resumed>)        = 0
[pid  2312] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2311] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2309] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2312] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2310] <... futex resumed>)        = 1
[pid  2309] <... futex resumed>)        = 0
[pid  2307] <... futex resumed>)        = 0
[pid  2312] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2310] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2309] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2307] exit_group(0 <unfinished ...>
[pid  2312] <... openat resumed>)       = 3
[pid  2310] <... futex resumed>)        = ?
[pid  2307] <... exit_group resumed>)   = ?
[pid  2312] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2311] <... futex resumed>)        = 1
[pid  2310] +++ exited with 0 +++
[pid  2306] <... futex resumed>)        = 0
[pid  2312] <... futex resumed>)        = 1
[pid  2311] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2309] <... futex resumed>)        = 0
[pid  2307] +++ exited with 0 +++
[pid  2306] exit_group(0 <unfinished ...>
[pid  2312] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2311] <... futex resumed>)        = ?
[pid  2309] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2306] <... exit_group resumed>)   = ?
[pid  2311] +++ exited with 0 +++
[pid  2306] +++ exited with 0 +++
[pid  2312] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2309] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2307, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] <... restart_syscall resumed>) = 0
[pid  2312] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2309] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2306, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2312] <... write resumed>)        = 2
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2312] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2309] <... futex resumed>)        = 0
[pid  2312] <... futex resumed>)        = 1
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2312] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2309] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2312] <... openat resumed>)       = 4
[pid  2309] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2314 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2313 attached
 <unfinished ...>
[pid  2312] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2309] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  2314] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2312] <... futex resumed>)        = 0
[pid  2313] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2309] exit_group(0 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2313
[pid  2314] <... set_robust_list resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2315 attached
[pid  2313] <... set_robust_list resumed>) = 0
[pid  2312] +++ exited with 0 +++
[pid  2309] <... exit_group resumed>)   = ?
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2314
[pid  2314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2315] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2309] +++ exited with 0 +++
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2315
[pid  2315] <... set_robust_list resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2314] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2309, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2314] <... prctl resumed>)        = 0
[pid  2313] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2315] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2314] setpgid(0, 0 <unfinished ...>
[pid  2313] <... prctl resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2314] <... setpgid resumed>)      = 0
[pid  2314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2315] <... prctl resumed>)        = 0
[pid  2314] <... openat resumed>)       = 3
[pid  2313] setpgid(0, 0 <unfinished ...>
[pid  2315] setpgid(0, 0 <unfinished ...>
[pid  2313] <... setpgid resumed>)      = 0
[pid  2315] <... setpgid resumed>)      = 0
[pid  2314] write(3, "1000", 4)         = 4
[pid  2313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2314] close(3 <unfinished ...>
[pid  2315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2314] <... close resumed>)        = 0
[pid  2314] write(1, "executing program\n", 18) = 18
[pid  2315] <... openat resumed>)       = 3
[pid  2314] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid  2314] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2313] <... openat resumed>)       = 3
[pid  2314] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2314] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2314] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2315] write(3, "1000", 4 <unfinished ...>
[pid  2313] write(3, "1000", 4 <unfinished ...>
[pid  2315] <... write resumed>)        = 4
[pid  2313] <... write resumed>)        = 4
[pid  2315] close(3 <unfinished ...>
[pid  2313] close(3 <unfinished ...>
[pid  2315] <... close resumed>)        = 0
[pid  2313] <... close resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2316 attached
[pid  2315] write(1, "executing program\n", 18 <unfinished ...>
[pid  2314] <... clone3 resumed> => {parent_tid=[2316]}, 88) = 2316
[pid  2313] write(1, "executing program\n", 18 <unfinished ...>
[pid  2316] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
executing program
[pid  2314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2313] <... write resumed>)        = 18
[pid  2314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2314] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2313] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2315] <... write resumed>)        = 18
[pid  2316] <... set_robust_list resumed>) = 0
[pid  2314] <... futex resumed>)        = 0
[pid  2313] <... futex resumed>)        = 0
executing program
[pid  2316] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2315] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2314] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2313] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2316] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2315] <... futex resumed>)        = 0
[pid  2313] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2315] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2313] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2316] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2315] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2315] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2313] <... mmap resumed>)         = 0x7fb4de009000
[pid  2315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2316] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2315] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2313] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2316] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2314] <... futex resumed>)        = 0
[pid  2316] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2313] <... mprotect resumed>)     = 0
[pid  2315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2314] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2316] <... futex resumed>)        = 0
[pid  2315] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2314] <... futex resumed>)        = 1
[pid  2313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2316] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2314] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2315] <... clone3 resumed> => {parent_tid=[2317]}, 88) = 2317
ci2-android-6-12-rust/strace-static-x86_64: Process 2317 attached
[pid  2315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2315] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2316] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2317] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2316] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2317] <... set_robust_list resumed>) = 0
[pid  2313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2317] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2316] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 2318 attached
[pid  2317] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2316] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2315] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2314] <... futex resumed>)        = 0
[pid  2318] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2317] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2314] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2313] <... clone3 resumed> => {parent_tid=[2318]}, 88) = 2318
[pid  2318] <... set_robust_list resumed>) = 0
[pid  2317] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2316] <... futex resumed>)        = 0
[pid  2314] <... futex resumed>)        = 1
[pid  2318] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2316] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2314] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2317] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2318] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2318] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2316] <... openat resumed>)       = 3
[pid  2315] <... futex resumed>)        = 0
[pid  2315] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2317] <... futex resumed>)        = 1
[pid  2315] <... futex resumed>)        = 0
[pid  2317] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2315] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2316] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2313] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2316] <... futex resumed>)        = 1
[pid  2314] <... futex resumed>)        = 0
[pid  2313] <... futex resumed>)        = 1
[pid  2316] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2314] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2313] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2314] <... futex resumed>)        = 0
[pid  2316] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2314] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2316] write(3, "\x38\x00", 2 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2316] <... write resumed>)        = 2
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2316] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2316] <... futex resumed>)        = 1
[pid  2314] <... futex resumed>)        = 0
[pid  2318] <... futex resumed>)        = 0
[pid  2317] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2314] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2318] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2317] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2318] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2317] <... futex resumed>)        = 1
[pid  2315] <... futex resumed>)        = 0
[pid  2318] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2317] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2316] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2315] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2314] <... futex resumed>)        = 0
[pid  2318] <... futex resumed>)        = 1
[pid  2317] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2315] <... futex resumed>)        = 0
[pid  2313] <... futex resumed>)        = 0
[pid  2318] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2317] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2316] <... openat resumed>)       = 4
[pid  2315] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2314] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2313] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2318] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2317] <... openat resumed>)       = 3
[pid  2318] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2317] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2318] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2317] <... futex resumed>)        = 1
[pid  2315] <... futex resumed>)        = 0
[pid  2318] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2317] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2315] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2318] <... futex resumed>)        = 0
[pid  2317] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2315] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2319 attached
[pid  2318] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2317] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2316] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2315] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2313] <... futex resumed>)        = 0
[pid  2319] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2317] <... write resumed>)        = 2
[pid  2316] <... futex resumed>)        = 1
[pid  2314] <... futex resumed>)        = 0
[pid  2313] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2319
[pid  2317] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2316] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2314] exit_group(0 <unfinished ...>
[pid  2313] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2316] <... futex resumed>)        = ?
[pid  2314] <... exit_group resumed>)   = ?
[pid  2313] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2316] +++ exited with 0 +++
[pid  2318] <... futex resumed>)        = 0
[pid  2313] <... futex resumed>)        = 1
[pid  2319] <... set_robust_list resumed>) = 0
[pid  2318] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2317] <... futex resumed>)        = 1
[pid  2315] <... futex resumed>)        = 0
[pid  2313] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2319] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2318] <... openat resumed>)       = 3
[pid  2317] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2315] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2319] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2318] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2317] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2315] <... futex resumed>)        = 0
[pid  2319] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2318] <... futex resumed>)        = 1
[pid  2317] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2315] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2319] <... prctl resumed>)        = 0
[pid  2318] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2317] <... openat resumed>)       = 4
[pid  2314] +++ exited with 0 +++
[pid  2313] <... futex resumed>)        = 0
[pid  2319] setpgid(0, 0 <unfinished ...>
[pid  2317] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2313] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2314, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2319] <... setpgid resumed>)      = 0
[pid  2317] <... futex resumed>)        = 1
[pid  2315] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2318] <... futex resumed>)        = 0
[pid  2317] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2315] exit_group(0 <unfinished ...>
[pid  2313] <... futex resumed>)        = 1
[pid  2319] <... openat resumed>)       = 3
[pid  2318] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2317] <... futex resumed>)        = ?
[pid  2315] <... exit_group resumed>)   = ?
[pid  2313] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2318] <... write resumed>)        = 2
[pid  2317] +++ exited with 0 +++
[pid  2315] +++ exited with 0 +++
[pid  2318] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2319] write(3, "1000", 4 <unfinished ...>
[pid  2318] <... futex resumed>)        = 1
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2315, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2313] <... futex resumed>)        = 0
[pid  2319] <... write resumed>)        = 4
[pid  2318] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2313] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2319] close(3 <unfinished ...>
[pid  2318] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2313] <... futex resumed>)        = 0
[pid  2319] <... close resumed>)        = 0
[pid  2319] write(1, "executing program\n", 18) = 18
[pid  2318] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2313] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
executing program
[pid  2319] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2319] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2319] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2319] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2319] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2318] <... openat resumed>)       = 4
[pid  2319] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2318] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2319] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2318] <... futex resumed>)        = 1
[pid  2313] <... futex resumed>)        = 0
[pid  2319] <... clone3 resumed> => {parent_tid=[2320]}, 88) = 2320
[pid  2319] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2319] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2319] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2320 attached
 <unfinished ...>
[pid  2320] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2320] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  2320] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2319] <... futex resumed>)        = 0
[pid  2313] exit_group(0 <unfinished ...>
[pid  2318] ???( <unfinished ...>
[pid  2313] <... exit_group resumed>)   = ?
[pid  2318] <... ??? resumed>)          = ?
[pid  2320] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2319] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2318] +++ exited with 0 +++
[pid  2320] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2319] <... futex resumed>)        = 0
[pid  2319] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2320] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  2320] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2319] <... futex resumed>)        = 0
[pid  2319] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2313] +++ exited with 0 +++
[pid  2320] <... futex resumed>)        = 1
[pid  2320] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2319] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2313, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2320] <... openat resumed>)       = 3
[pid  2319] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2320] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2319] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2320] <... futex resumed>)        = 0
[pid  2319] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2320] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2319] <... futex resumed>)        = 0
[pid  2320] <... write resumed>)        = 2
[pid  2319] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2320] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2319] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2320] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2319] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2320] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2319] <... futex resumed>)        = 0
[pid  2320] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2319] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2320] <... openat resumed>)       = 4
[pid  2320] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2319] <... futex resumed>)        = 0
[pid  2320] <... futex resumed>)        = 1
[pid  2319] exit_group(0 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2320] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2319] <... exit_group resumed>)   = ?
[pid  2320] <... futex resumed>)        = ?
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2321
ci2-android-6-12-rust/strace-static-x86_64: Process 2321 attached
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2321] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2321] <... set_robust_list resumed>) = 0
[pid  2321] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2321] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2320] +++ exited with 0 +++
[pid  2319] +++ exited with 0 +++
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2319, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2321] <... prctl resumed>)        = 0
[pid  2321] setpgid(0, 0)               = 0
[pid  2321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2321] <... openat resumed>)       = 3
[pid  2321] write(3, "1000", 4)         = 4
[pid  2321] close(3)                    = 0
[pid  2321] write(1, "executing program\n", 18ci2-android-6-12-rust/strace-static-x86_64: Process 2322 attached
) = 18
[pid  2321] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2321] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2321] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 2323 attached
executing program
) = 0x7fb4de009000
[pid  2321] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2321] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2322] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2323] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2322] <... set_robust_list resumed>) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2323
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2322
[pid  2323] <... set_robust_list resumed>) = 0
[pid  2322] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2321] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2321] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2323] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2322] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2321] <... clone3 resumed> => {parent_tid=[2324]}, 88) = 2324
[pid  2321] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2321] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2321] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2324 attached
 <unfinished ...>
[pid  2324] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2324] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  2324] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2321] <... futex resumed>)        = 0
[pid  2324] <... futex resumed>)        = 1
[pid  2321] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2324] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2321] <... futex resumed>)        = 0
[pid  2324] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2321] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2324] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2322] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2323] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2324] <... futex resumed>)        = 1
[pid  2322] <... prctl resumed>)        = 0
[pid  2321] <... futex resumed>)        = 0
[pid  2324] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2323] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2322] setpgid(0, 0 <unfinished ...>
[pid  2324] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2323] <... prctl resumed>)        = 0
[pid  2322] <... setpgid resumed>)      = 0
[pid  2321] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2324] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2323] setpgid(0, 0 <unfinished ...>
[pid  2322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2321] <... futex resumed>)        = 0
[pid  2324] <... openat resumed>)       = 3
[pid  2323] <... setpgid resumed>)      = 0
[pid  2324] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2322] <... openat resumed>)       = 3
[pid  2321] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2324] <... futex resumed>)        = 0
[pid  2323] <... openat resumed>)       = 3
[pid  2324] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2322] write(3, "1000", 4)         = 4
[pid  2322] close(3)                    = 0
[pid  2322] write(1, "executing program\n", 18) = 18
executing program
[pid  2322] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2322] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2322] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2323] write(3, "1000", 4 <unfinished ...>
[pid  2321] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2323] <... write resumed>)        = 4
[pid  2321] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2323] close(3 <unfinished ...>
[pid  2321] <... futex resumed>)        = 1
[pid  2323] <... close resumed>)        = 0
[pid  2321] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2323] write(1, "executing program\n", 18 <unfinished ...>
[pid  2324] <... futex resumed>)        = 0
[pid  2323] <... write resumed>)        = 18
[pid  2322] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2324] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2323] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2322] <... mprotect resumed>)     = 0
executing program
[pid  2324] <... write resumed>)        = 2
[pid  2323] <... futex resumed>)        = 0
[pid  2322] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2324] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2324] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2322] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2323] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2321] <... futex resumed>)        = 0
[pid  2323] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2322] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2321] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2325 attached
[pid  2324] <... futex resumed>)        = 0
[pid  2323] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2324] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2321] <... futex resumed>)        = 1
[pid  2325] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2323] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2321] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2325] <... set_robust_list resumed>) = 0
[pid  2324] <... openat resumed>)       = 4
[pid  2323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2324] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2322] <... clone3 resumed> => {parent_tid=[2325]}, 88) = 2325
[pid  2325] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2324] <... futex resumed>)        = 1
[pid  2323] <... mmap resumed>)         = 0x7fb4de009000
[pid  2322] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2321] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2325] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2324] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2323] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2322] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2321] exit_group(0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2325] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2324] <... futex resumed>)        = ?
[pid  2323] <... mprotect resumed>)     = 0
[pid  2322] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2321] <... exit_group resumed>)   = ?
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2325] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2324] +++ exited with 0 +++
[pid  2323] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2322] <... futex resumed>)        = 0
[pid  2321] +++ exited with 0 +++
[pid  2322] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2321, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2325] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2323] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2325] <... mkdirat resumed>)      = -1 EEXIST (File exists)
ci2-android-6-12-rust/strace-static-x86_64: Process 2326 attached
[pid  2323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2327 attached
 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2326
[pid  2325] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2327] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2326] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2325] <... futex resumed>)        = 1
[pid  2323] <... clone3 resumed> => {parent_tid=[2327]}, 88) = 2327
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2327] <... set_robust_list resumed>) = 0
[pid  2326] <... set_robust_list resumed>) = 0
[pid  2323] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2327] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2323] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2327] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2326] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2323] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2327] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2326] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2325] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2323] <... futex resumed>)        = 0
[pid  2322] <... futex resumed>)        = 0
[pid  2322] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2325] <... futex resumed>)        = 0
[pid  2322] <... futex resumed>)        = 1
[pid  2326] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2325] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2323] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2322] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2327] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2327] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2326] <... prctl resumed>)        = 0
[pid  2325] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2326] setpgid(0, 0 <unfinished ...>
[pid  2325] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2323] <... futex resumed>)        = 0
[pid  2327] <... futex resumed>)        = 1
[pid  2326] <... setpgid resumed>)      = 0
[pid  2325] <... futex resumed>)        = 1
[pid  2322] <... futex resumed>)        = 0
[pid  2325] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2322] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2325] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2323] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2322] <... futex resumed>)        = 0
[pid  2327] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2325] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2323] <... futex resumed>)        = 0
[pid  2322] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2327] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2325] <... openat resumed>)       = 3
[pid  2323] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2327] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2325] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2327] <... futex resumed>)        = 0
[pid  2325] <... futex resumed>)        = 1
[pid  2322] <... futex resumed>)        = 0
[pid  2325] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2322] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2325] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2322] <... futex resumed>)        = 0
[pid  2327] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2326] <... openat resumed>)       = 3
[pid  2325] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2323] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2322] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2325] <... write resumed>)        = 2
[pid  2325] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2322] <... futex resumed>)        = 0
[pid  2322] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2322] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2325] <... futex resumed>)        = 1
[pid  2325] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid  2325] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2322] <... futex resumed>)        = 0
[pid  2326] write(3, "1000", 4 <unfinished ...>
[pid  2323] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2322] exit_group(0 <unfinished ...>
[pid  2327] <... futex resumed>)        = 0
[pid  2326] <... write resumed>)        = 4
[pid  2323] <... futex resumed>)        = 1
[pid  2327] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2326] close(3 <unfinished ...>
[pid  2323] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2327] <... openat resumed>)       = 3
[pid  2326] <... close resumed>)        = 0
[pid  2327] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2326] write(1, "executing program\n", 18 <unfinished ...>
[pid  2327] <... futex resumed>)        = 1
[pid  2326] <... write resumed>)        = 18
[pid  2325] <... futex resumed>)        = ?
[pid  2323] <... futex resumed>)        = 0
[pid  2322] <... exit_group resumed>)   = ?
executing program
[pid  2327] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2326] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2325] +++ exited with 0 +++
[pid  2323] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2322] +++ exited with 0 +++
[pid  2327] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2326] <... futex resumed>)        = 0
[pid  2323] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  2327] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2326] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2323] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2327] <... write resumed>)        = 2
[pid  2326] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2322, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2327] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2326] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2327] <... futex resumed>)        = 1
[pid  2326] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2323] <... futex resumed>)        = 0
[pid  2323] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2327] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2323] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2323] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2327] <... openat resumed>)       = 4
[pid  2326] <... mmap resumed>)         = 0x7fb4de009000
ci2-android-6-12-rust/strace-static-x86_64: Process 2328 attached
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2328
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2327] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2323] <... futex resumed>)        = 0
[pid  2323] exit_group(0)               = ?
[pid  2327] <... futex resumed>)        = ?
[pid  2328] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2326] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2328] <... set_robust_list resumed>) = 0
[pid  2326] <... mprotect resumed>)     = 0
[pid  2328] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2326] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2328] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2326] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2328] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2328] <... prctl resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2329 attached
[pid  2328] setpgid(0, 0 <unfinished ...>
[pid  2327] +++ exited with 0 +++
[pid  2323] +++ exited with 0 +++
[pid  2329] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2328] <... setpgid resumed>)      = 0
[pid  2326] <... clone3 resumed> => {parent_tid=[2329]}, 88) = 2329
[pid  2329] <... set_robust_list resumed>) = 0
[pid  2329] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2329] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2326] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2323, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2329] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2328] <... openat resumed>)       = 3
[pid  2326] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2328] write(3, "1000", 4)         = 4
[pid  2328] close(3)                    = 0
[pid  2328] write(1, "executing program\n", 18) = 18
executing program
[pid  2328] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2328] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2326] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2328] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2328] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2329] <... futex resumed>)        = 0
[pid  2328] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2326] <... futex resumed>)        = 1
[pid  2329] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2326] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2329] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2328] <... mmap resumed>)         = 0x7fb4de009000
[pid  2329] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2326] <... futex resumed>)        = 0
[pid  2329] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2328] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2326] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2326] <... futex resumed>)        = 1
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2326] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2329] <... futex resumed>)        = 0
[pid  2328] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2329] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2328] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2329] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2329] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2331 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2330 attached
[pid  2329] <... futex resumed>)        = 1
[pid  2328] <... clone3 resumed> => {parent_tid=[2330]}, 88) = 2330
[pid  2331] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2329] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2328] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2331] <... set_robust_list resumed>) = 0
[pid  2330] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2328] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2326] <... futex resumed>)        = 0
[pid  2331] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2330] <... set_robust_list resumed>) = 0
[pid  2328] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2331
[pid  2330] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2328] <... futex resumed>)        = 0
[pid  2326] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2330] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2326] <... futex resumed>)        = 1
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2326] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2330] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2331] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2329] <... futex resumed>)        = 0
[pid  2328] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2331] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2329] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2331] <... prctl resumed>)        = 0
[pid  2329] <... openat resumed>)       = 3
[pid  2331] setpgid(0, 0 <unfinished ...>
[pid  2329] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2332 attached
 <unfinished ...>
[pid  2331] <... setpgid resumed>)      = 0
[pid  2330] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2329] <... futex resumed>)        = 1
[pid  2326] <... futex resumed>)        = 0
[pid  2332] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2330] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2329] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2326] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2332] <... set_robust_list resumed>) = 0
[pid  2331] <... openat resumed>)       = 3
[pid  2329] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2332] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2329] write(3, "\x38\x00", 2)     = 2
[pid  2331] write(3, "1000", 4 <unfinished ...>
[pid  2329] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2332] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2331] <... write resumed>)        = 4
[pid  2329] <... futex resumed>)        = 0
[pid  2332] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2331] close(3 <unfinished ...>
[pid  2329] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2331] <... close resumed>)        = 0
[pid  2332] <... prctl resumed>)        = 0
[pid  2331] write(1, "executing program\n", 18 <unfinished ...>
[pid  2332] setpgid(0, 0 <unfinished ...>
[pid  2331] <... write resumed>)        = 18
[pid  2332] <... setpgid resumed>)      = 0
executing program
[pid  2331] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2331] <... futex resumed>)        = 0
[pid  2332] <... openat resumed>)       = 3
[pid  2331] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2330] <... futex resumed>)        = 1
[pid  2329] <... futex resumed>)        = 0
[pid  2328] <... futex resumed>)        = 0
[pid  2326] <... futex resumed>)        = 1
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2332
[pid  2331] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2330] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2329] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2328] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2326] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2332] write(3, "1000", 4 <unfinished ...>
[pid  2331] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2330] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2328] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2332] <... write resumed>)        = 4
[pid  2331] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2330] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2328] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2326] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2332] close(3 <unfinished ...>
[pid  2331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2332] <... close resumed>)        = 0
[pid  2331] <... mmap resumed>)         = 0x7fb4de009000
[pid  2330] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2326] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2332] write(1, "executing program\n", 18 <unfinished ...>
[pid  2331] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2330] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2329] <... futex resumed>)        = 0
[pid  2326] <... futex resumed>)        = 1
[pid  2332] <... write resumed>)        = 18
[pid  2331] <... mprotect resumed>)     = 0
[pid  2329] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
executing program
[pid  2332] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2326] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2332] <... futex resumed>)        = 0
[pid  2331] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2330] <... futex resumed>)        = 1
[pid  2329] <... openat resumed>)       = 4
[pid  2328] <... futex resumed>)        = 0
[pid  2332] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2331] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2328] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2332] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2331] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2329] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2328] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2333 attached
[pid  2332] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2330] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2329] <... futex resumed>)        = 1
[pid  2328] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2326] <... futex resumed>)        = 0
[pid  2332] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2330] <... openat resumed>)       = 3
[pid  2326] exit_group(0 <unfinished ...>
[pid  2330] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2333] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2326] <... exit_group resumed>)   = ?
[pid  2332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2331] <... clone3 resumed> => {parent_tid=[2333]}, 88) = 2333
[pid  2330] <... futex resumed>)        = 1
[pid  2328] <... futex resumed>)        = 0
[pid  2333] <... set_robust_list resumed>) = 0
[pid  2332] <... mmap resumed>)         = 0x7fb4de009000
[pid  2331] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2330] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2329] +++ exited with 0 +++
[pid  2328] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2326] +++ exited with 0 +++
[pid  2332] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2331] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2328] <... futex resumed>)        = 0
[pid  2332] <... mprotect resumed>)     = 0
[pid  2331] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2328] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2333] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2332] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2331] <... futex resumed>)        = 0
[pid  2330] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2326, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2333] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2330] write(3, "\x38\x00", 2 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2330] <... write resumed>)        = 2
[pid  2332] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2331] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2330] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2332] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2334 attached
 <unfinished ...>
[pid  2334] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2333] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2332] <... clone3 resumed> => {parent_tid=[2334]}, 88) = 2334
[pid  2330] <... futex resumed>)        = 1
[pid  2328] <... futex resumed>)        = 0
[pid  2334] <... set_robust_list resumed>) = 0
[pid  2333] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2332] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2330] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2328] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2334] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2333] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2332] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2330] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2328] <... futex resumed>)        = 0
[pid  2334] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2333] <... futex resumed>)        = 1
[pid  2332] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2331] <... futex resumed>)        = 0
[pid  2330] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2328] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2334] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2333] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2332] <... futex resumed>)        = 0
[pid  2331] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2334] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2333] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2332] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2331] <... futex resumed>)        = 0
[pid  2330] <... openat resumed>)       = 4
[pid  2334] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2333] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2332] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2331] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2330] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2334] <... futex resumed>)        = 0
[pid  2333] <... futex resumed>)        = 0
[pid  2332] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2334] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2333] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2331] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2330] <... futex resumed>)        = 1
[pid  2328] <... futex resumed>)        = 0
[pid  2334] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2333] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2332] <... futex resumed>)        = 0
[pid  2331] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2330] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2328] exit_group(0 <unfinished ...>
[pid  2333] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2334] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2332] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2331] <... futex resumed>)        = 0
[pid  2328] <... exit_group resumed>)   = ?
[pid  2334] <... futex resumed>)        = 0
[pid  2333] <... openat resumed>)       = 3
[pid  2332] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2331] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2330] <... futex resumed>)        = ?
[pid  2334] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2333] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2332] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2331] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2334] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2332] <... futex resumed>)        = 0
[pid  2331] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2334] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2332] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2331] <... futex resumed>)        = 0
[pid  2334] <... openat resumed>)       = 3
[pid  2331] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2334] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2332] <... futex resumed>)        = 0
[pid  2334] <... futex resumed>)        = 1
[pid  2332] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2334] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2332] <... futex resumed>)        = 0
[pid  2334] <... write resumed>)        = 2
[pid  2332] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2330] +++ exited with 0 +++
[pid  2333] <... futex resumed>)        = 1
[pid  2331] <... futex resumed>)        = 0
[pid  2328] +++ exited with 0 +++
[pid  2333] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2334] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2333] <... write resumed>)        = 2
[pid  2332] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2331] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2328, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2334] <... futex resumed>)        = 0
[pid  2333] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2332] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2331] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2334] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2333] <... futex resumed>)        = 0
[pid  2332] <... futex resumed>)        = 0
[pid  2331] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2334] <... openat resumed>)       = 4
[pid  2332] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2331] <... futex resumed>)        = 0
[pid  2333] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2331] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2334] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2333] <... openat resumed>)       = 4
[pid  2334] <... futex resumed>)        = 1
[pid  2332] <... futex resumed>)        = 0
[pid  2334] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2333] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2332] exit_group(0 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2333] <... futex resumed>)        = 1
[pid  2331] <... futex resumed>)        = 0
[pid  2334] <... futex resumed>)        = ?
[pid  2333] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2332] <... exit_group resumed>)   = ?
[pid  2331] exit_group(0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2334] +++ exited with 0 +++
[pid  2333] <... futex resumed>)        = ?
[pid  2332] +++ exited with 0 +++
[pid  2331] <... exit_group resumed>)   = ?
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2333] +++ exited with 0 +++
[pid  2331] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2332, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2331, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 2335 attached
 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2335
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2335] set_robust_list(0x55557716c6a0, 24) = 0
[pid  2335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2335] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2335] <... prctl resumed>)        = 0
[pid  2335] setpgid(0, 0 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2335] <... setpgid resumed>)      = 0
[pid  2335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2335] write(3, "1000", 4ci2-android-6-12-rust/strace-static-x86_64: Process 2336 attached
 <unfinished ...>
[pid  2336] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2335] <... write resumed>)        = 4
[pid  2336] <... set_robust_list resumed>) = 0
[pid  2335] close(3 <unfinished ...>
[pid  2336] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2335] <... close resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2336
[pid  2335] write(1, "executing program\n", 18 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2336] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2335] <... write resumed>)        = 18
[pid  2336] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
executing program
[pid  2335] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2336] <... prctl resumed>)        = 0
[pid  2335] <... futex resumed>)        = 0
[pid  2336] setpgid(0, 0 <unfinished ...>
[pid  2335] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2336] <... setpgid resumed>)      = 0
[pid  2335] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2335] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2336] <... openat resumed>)       = 3
[pid  2335] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2336] write(3, "1000", 4)         = 4
[pid  2335] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2336] close(3ci2-android-6-12-rust/strace-static-x86_64: Process 2337 attached
)                    = 0
[pid  2335] <... mprotect resumed>)     = 0
[pid  2336] write(1, "executing program\n", 18 <unfinished ...>
[pid  2335] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2337
[pid  2337] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2336] <... write resumed>)        = 18
executing program
[pid  2335] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2337] <... set_robust_list resumed>) = 0
[pid  2336] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2335] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2338 attached
 <unfinished ...>
[pid  2337] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2336] <... futex resumed>)        = 0
[pid  2337] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2338] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2337] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2336] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2335] <... clone3 resumed> => {parent_tid=[2338]}, 88) = 2338
[pid  2337] <... prctl resumed>)        = 0
[pid  2336] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2335] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2337] setpgid(0, 0 <unfinished ...>
[pid  2336] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2335] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2337] <... setpgid resumed>)      = 0
[pid  2336] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2335] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2338] <... set_robust_list resumed>) = 0
[pid  2337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2335] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  2338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2337] <... openat resumed>)       = 3
[pid  2336] <... mmap resumed>)         = 0x7fb4de009000
[pid  2335] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2338] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2338] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2337] write(3, "1000", 4 <unfinished ...>
[pid  2336] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2338] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2337] <... write resumed>)        = 4
[pid  2336] <... mprotect resumed>)     = 0
[pid  2338] <... futex resumed>)        = 1
[pid  2337] close(3 <unfinished ...>
[pid  2335] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2338] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2337] <... close resumed>)        = 0
[pid  2336] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2335] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2337] write(1, "executing program\n", 18 <unfinished ...>
[pid  2336] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2335] <... futex resumed>)        = 0
[pid  2337] <... write resumed>)        = 18
[pid  2336] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2335] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2340 attached
 <unfinished ...>
[pid  2337] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2338] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2338] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2337] <... futex resumed>)        = 0
[pid  2337] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2336] <... clone3 resumed> => {parent_tid=[2340]}, 88) = 2340
[pid  2337] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2336] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2337] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2336] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2338] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2340] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
executing program
[pid  2337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2338] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2336] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2339 attached
 <unfinished ...>
[pid  2340] <... set_robust_list resumed>) = 0
[pid  2338] <... futex resumed>)        = 1
[pid  2337] <... mmap resumed>)         = 0x7fb4de009000
[pid  2335] <... futex resumed>)        = 0
[pid  2338] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2340] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2339
[pid  2339] set_robust_list(0x55557716c6a0, 24) = 0
[pid  2337] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2336] <... futex resumed>)        = 0
[pid  2335] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2340] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2339] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2338] <... futex resumed>)        = 0
[pid  2337] <... mprotect resumed>)     = 0
[pid  2336] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2335] <... futex resumed>)        = 1
[pid  2340] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2339] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2338] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2337] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2335] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2339] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2338] <... openat resumed>)       = 3
[pid  2337] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2339] <... prctl resumed>)        = 0
[pid  2338] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2339] setpgid(0, 0 <unfinished ...>
[pid  2340] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2338] <... futex resumed>)        = 1
[pid  2339] <... setpgid resumed>)      = 0
[pid  2337] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2335] <... futex resumed>)        = 0
[pid  2339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2340] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2338] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2335] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2337] <... clone3 resumed> => {parent_tid=[2341]}, 88) = 2341
[pid  2335] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2337] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2337] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2337] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2341 attached
 <unfinished ...>
[pid  2341] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2338] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2336] <... futex resumed>)        = 0
[pid  2341] <... set_robust_list resumed>) = 0
[pid  2340] <... futex resumed>)        = 1
[pid  2338] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2336] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2341] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2336] <... futex resumed>)        = 0
[pid  2341] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2339] <... openat resumed>)       = 3
[pid  2340] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2338] <... write resumed>)        = 2
[pid  2336] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2341] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2339] write(3, "1000", 4 <unfinished ...>
[pid  2340] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2338] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2339] <... write resumed>)        = 4
[pid  2340] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2339] close(3 <unfinished ...>
[pid  2338] <... futex resumed>)        = 1
[pid  2340] <... futex resumed>)        = 1
[pid  2339] <... close resumed>)        = 0
[pid  2338] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2340] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2339] write(1, "executing program\n", 18 <unfinished ...>
[pid  2341] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2336] <... futex resumed>)        = 0
[pid  2335] <... futex resumed>)        = 0
[pid  2341] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2339] <... write resumed>)        = 18
[pid  2336] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2335] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2341] <... futex resumed>)        = 1
[pid  2339] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2340] <... futex resumed>)        = 0
[pid  2338] <... futex resumed>)        = 0
[pid  2337] <... futex resumed>)        = 0
[pid  2336] <... futex resumed>)        = 1
[pid  2335] <... futex resumed>)        = 1
executing program
[pid  2341] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2339] <... futex resumed>)        = 0
[pid  2340] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2338] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2337] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2336] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2335] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2341] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2339] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2338] <... openat resumed>)       = 4
[pid  2337] <... futex resumed>)        = 0
[pid  2341] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2339] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2338] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2337] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2341] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2339] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2340] <... openat resumed>)       = 3
[pid  2338] <... futex resumed>)        = 1
[pid  2335] <... futex resumed>)        = 0
[pid  2341] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2339] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2340] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2338] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2335] exit_group(0 <unfinished ...>
[pid  2341] <... futex resumed>)        = 1
[pid  2337] <... futex resumed>)        = 0
[pid  2335] <... exit_group resumed>)   = ?
[pid  2341] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2340] <... futex resumed>)        = 1
[pid  2338] <... futex resumed>)        = ?
[pid  2337] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2336] <... futex resumed>)        = 0
[pid  2341] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2337] <... futex resumed>)        = 0
[pid  2336] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2341] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2337] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2336] <... futex resumed>)        = 0
[pid  2341] <... openat resumed>)       = 3
[pid  2336] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2341] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2337] <... futex resumed>)        = 0
[pid  2341] <... futex resumed>)        = 1
[pid  2337] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2341] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2337] <... futex resumed>)        = 0
[pid  2341] <... write resumed>)        = 2
[pid  2337] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2338] +++ exited with 0 +++
[pid  2335] +++ exited with 0 +++
[pid  2340] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2339] <... mmap resumed>)         = 0x7fb4de009000
[pid  2340] <... write resumed>)        = 2
[pid  2339] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2340] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2341] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2339] <... mprotect resumed>)     = 0
[pid  2340] <... futex resumed>)        = 1
[pid  2337] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2336] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2335, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2341] <... futex resumed>)        = 0
[pid  2340] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2337] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2336] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2341] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2337] <... futex resumed>)        = 0
[pid  2336] <... futex resumed>)        = 0
[pid  2341] <... openat resumed>)       = 4
[pid  2339] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2340] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2337] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2336] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2341] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2339] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2340] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2337] <... futex resumed>)        = 0
[pid  2341] <... futex resumed>)        = 1
[pid  2339] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2337] exit_group(0 <unfinished ...>
[pid  2340] <... openat resumed>)       = 4
[pid  2337] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 2342 attached
[pid  2341] +++ exited with 0 +++
[pid  2340] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2337] +++ exited with 0 +++
[pid  2342] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2339] <... clone3 resumed> => {parent_tid=[2342]}, 88) = 2342
[pid  2340] <... futex resumed>)        = 1
[pid  2336] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2337, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2342] <... set_robust_list resumed>) = 0
[pid  2339] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2340] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2336] exit_group(0 <unfinished ...>
[pid  2342] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2339] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2342] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2339] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2340] <... futex resumed>)        = ?
[pid  2336] <... exit_group resumed>)   = ?
[pid  2342] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2339] <... futex resumed>)        = 0
[pid  2340] +++ exited with 0 +++
[pid  2336] +++ exited with 0 +++
[pid  2339] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2336, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2342] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2342] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2342] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2339] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2339] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2342] <... futex resumed>)        = 0
[pid  2342] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2339] <... futex resumed>)        = 1
[pid  2342] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2339] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2342] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2339] <... futex resumed>)        = 0
[pid  2339] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2342] <... futex resumed>)        = 1
[pid  2339] <... futex resumed>)        = 0
[pid  2342] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2339] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2342] <... openat resumed>)       = 3
[pid  2342] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2339] <... futex resumed>)        = 0
[pid  2339] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2342] <... futex resumed>)        = 1
[pid  2339] <... futex resumed>)        = 0
[pid  2342] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2339] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2342] <... write resumed>)        = 2
[pid  2342] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2339] <... futex resumed>)        = 0
[pid  2342] <... futex resumed>)        = 1
[pid  2339] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2342] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2339] <... futex resumed>)        = 0
[pid  2342] <... openat resumed>)       = 4
[pid  2339] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2342] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2339] <... futex resumed>)        = 0
[pid  2342] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2339] exit_group(0 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2342] <... futex resumed>)        = ?
[pid  2339] <... exit_group resumed>)   = ?
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2342] +++ exited with 0 +++
[pid  2339] +++ exited with 0 +++
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2343
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2339, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 2343 attached
 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2343] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2343] <... set_robust_list resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2343] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2343] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2343] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2344 attached
[pid  2343] setpgid(0, 0 <unfinished ...>
[pid  2344] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2343] <... setpgid resumed>)      = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2344
[pid  2344] <... set_robust_list resumed>) = 0
[pid  2344] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2344] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2343] <... openat resumed>)       = 3
[pid  2343] write(3, "1000", 4 <unfinished ...>
[pid  2344] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2343] <... write resumed>)        = 4
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2343] close(3)                    = 0
[pid  2343] write(1, "executing program\n", 18) = 18
executing program
[pid  2343] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2344] <... prctl resumed>)        = 0
[pid  2344] setpgid(0, 0 <unfinished ...>
[pid  2343] <... futex resumed>)        = 0
[pid  2344] <... setpgid resumed>)      = 0
[pid  2343] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2343] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2344] <... openat resumed>)       = 3
[pid  2343] <... mmap resumed>)         = 0x7fb4de009000
[pid  2343] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2343] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2344] write(3, "1000", 4)         = 4
[pid  2343] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2344] close(3 <unfinished ...>
[pid  2343] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2344] <... close resumed>)        = 0
[pid  2343] <... clone3 resumed> => {parent_tid=[2345]}, 88) = 2345
[pid  2343] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2343] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2343] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2345 attached
 <unfinished ...>
[pid  2345] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2344] write(1, "executing program\n", 18 <unfinished ...>
[pid  2345] <... set_robust_list resumed>) = 0
[pid  2344] <... write resumed>)        = 18
[pid  2345] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
executing program
[pid  2344] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2345] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2344] <... futex resumed>)        = 0
[pid  2345] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2344] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2344] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2345] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2343] <... futex resumed>)        = 0
[pid  2345] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2343] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2345] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2343] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2345] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2343] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2345] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2344] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2345] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2345] <... futex resumed>)        = 1
[pid  2343] <... futex resumed>)        = 0
[pid  2345] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2343] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2345] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2343] <... futex resumed>)        = 0
[pid  2345] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2343] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2345] <... openat resumed>)       = 3
[pid  2345] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2343] <... futex resumed>)        = 0
[pid  2345] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2343] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2345] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2343] <... futex resumed>)        = 0
[pid  2345] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2343] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2345] <... write resumed>)        = 2
[pid  2345] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2343] <... futex resumed>)        = 0
[pid  2345] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2343] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2345] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2343] <... futex resumed>)        = 0
[pid  2345] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2343] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2346 attached
 <unfinished ...>
[pid  2345] <... openat resumed>)       = 4
[pid  2344] <... mmap resumed>)         = 0x7fb4de009000
[pid  2345] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2343] <... futex resumed>)        = 0
[pid  2346] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2344] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2346] <... set_robust_list resumed>) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2346
[pid  2345] <... futex resumed>)        = 1
[pid  2344] <... mprotect resumed>)     = 0
[pid  2343] exit_group(0 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2346] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2343] <... exit_group resumed>)   = ?
[pid  2346] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2345] +++ exited with 0 +++
[pid  2344] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2343] +++ exited with 0 +++
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2346] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2344] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2343, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2346] <... prctl resumed>)        = 0
[pid  2346] setpgid(0, 0)               = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2347 attached
[pid  2346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2347] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2346] <... openat resumed>)       = 3
[pid  2344] <... clone3 resumed> => {parent_tid=[2347]}, 88) = 2347
[pid  2347] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2347] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2346] write(3, "1000", 4)         = 4
[pid  2344] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2346] close(3 <unfinished ...>
[pid  2344] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  2346] <... close resumed>)        = 0
[pid  2346] write(1, "executing program\n", 18 <unfinished ...>
[pid  2344] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2346] <... write resumed>)        = 18
executing program
[pid  2344] <... futex resumed>)        = 1
[pid  2347] <... futex resumed>)        = 0
[pid  2346] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2347] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2346] <... futex resumed>)        = 0
[pid  2344] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2347] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2346] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2347] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2346] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2347] <... futex resumed>)        = 1
[pid  2346] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2344] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2348 attached
[pid  2347] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2346] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2344] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2347] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2344] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2348] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2344] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2348] <... set_robust_list resumed>) = 0
[pid  2348] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2346] <... mmap resumed>)         = 0x7fb4de009000
[pid  2347] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2348] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2347] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2346] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2349 attached
 <unfinished ...>
[pid  2348] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2347] <... futex resumed>)        = 1
[pid  2346] <... mprotect resumed>)     = 0
[pid  2344] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2348
[pid  2348] <... prctl resumed>)        = 0
[pid  2347] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2346] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2344] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2349] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2348] setpgid(0, 0 <unfinished ...>
[pid  2344] <... futex resumed>)        = 0
[pid  2349] <... set_robust_list resumed>) = 0
[pid  2348] <... setpgid resumed>)      = 0
[pid  2344] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2347] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2346] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2349
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2349] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2347] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2346] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2349] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2348] <... openat resumed>)       = 3
[pid  2347] <... openat resumed>)       = 3
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2347] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2346] <... clone3 resumed> => {parent_tid=[2350]}, 88) = 2350
ci2-android-6-12-rust/strace-static-x86_64: Process 2350 attached
[pid  2347] <... futex resumed>)        = 1
[pid  2346] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2344] <... futex resumed>)        = 0
[pid  2349] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2350] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2347] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2346] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2344] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2348] write(3, "1000", 4 <unfinished ...>
[pid  2350] <... set_robust_list resumed>) = 0
[pid  2349] <... prctl resumed>)        = 0
[pid  2347] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2346] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2344] <... futex resumed>)        = 0
[pid  2348] <... write resumed>)        = 4
[pid  2350] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2349] setpgid(0, 0 <unfinished ...>
[pid  2347] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2348] close(3 <unfinished ...>
[pid  2346] <... futex resumed>)        = 0
[pid  2344] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2350] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2349] <... setpgid resumed>)      = 0
[pid  2348] <... close resumed>)        = 0
[pid  2347] <... write resumed>)        = 2
[pid  2346] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2347] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2350] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2348] write(1, "executing program\n", 18 <unfinished ...>
[pid  2347] <... futex resumed>)        = 1
[pid  2344] <... futex resumed>)        = 0
[pid  2347] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2344] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2347] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2344] <... futex resumed>)        = 0
[pid  2347] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2344] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2347] <... openat resumed>)       = 4
[pid  2350] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2348] <... write resumed>)        = 18
[pid  2347] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2344] <... futex resumed>)        = 0
[pid  2349] <... openat resumed>)       = 3
[pid  2350] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2348] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  2349] write(3, "1000", 4 <unfinished ...>
[pid  2350] <... futex resumed>)        = 1
[pid  2348] <... futex resumed>)        = 0
[pid  2350] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2349] <... write resumed>)        = 4
[pid  2348] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2349] close(3 <unfinished ...>
[pid  2348] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2349] <... close resumed>)        = 0
[pid  2348] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2349] write(1, "executing program\n", 18 <unfinished ...>
[pid  2348] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2349] <... write resumed>)        = 18
executing program
[pid  2348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2347] <... futex resumed>)        = 1
[pid  2346] <... futex resumed>)        = 0
[pid  2344] exit_group(0 <unfinished ...>
[pid  2349] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2348] <... mmap resumed>)         = 0x7fb4de009000
[pid  2346] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2344] <... exit_group resumed>)   = ?
[pid  2350] <... futex resumed>)        = 0
[pid  2349] <... futex resumed>)        = 0
[pid  2348] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2347] +++ exited with 0 +++
[pid  2346] <... futex resumed>)        = 1
[pid  2344] +++ exited with 0 +++
[pid  2350] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2349] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2346] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2348] <... mprotect resumed>)     = 0
[pid  2350] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2349] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2348] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2344, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2350] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2349] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2348] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2349] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2350] <... futex resumed>)        = 1
[pid  2348] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2346] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2351 attached
[pid  2350] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2346] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2350] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2349] <... mmap resumed>)         = 0x7fb4de009000
[pid  2348] <... clone3 resumed> => {parent_tid=[2351]}, 88) = 2351
[pid  2346] <... futex resumed>)        = 0
[pid  2351] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2350] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2349] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2348] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2346] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2351] <... set_robust_list resumed>) = 0
[pid  2350] <... openat resumed>)       = 3
[pid  2351] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2350] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2349] <... mprotect resumed>)     = 0
[pid  2348] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2351] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2350] <... futex resumed>)        = 1
[pid  2351] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2350] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2349] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2348] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2346] <... futex resumed>)        = 0
[pid  2346] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2346] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2351] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2350] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2349] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2348] <... futex resumed>)        = 0
[pid  2351] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2350] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2349] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2348] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2351] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2350] <... write resumed>)        = 2
ci2-android-6-12-rust/strace-static-x86_64: Process 2352 attached
[pid  2350] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2348] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2350] <... futex resumed>)        = 1
[pid  2349] <... clone3 resumed> => {parent_tid=[2352]}, 88) = 2352
[pid  2348] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2346] <... futex resumed>)        = 0
[pid  2352] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2350] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2349] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2348] <... futex resumed>)        = 1
[pid  2346] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2352] <... set_robust_list resumed>) = 0
[pid  2350] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2349] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2348] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2346] <... futex resumed>)        = 0
[pid  2352] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2350] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2349] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2346] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2352] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2352] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2351] <... futex resumed>)        = 0
[pid  2350] <... openat resumed>)       = 4
[pid  2349] <... futex resumed>)        = 0
[pid  2351] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  2352] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2351] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2352] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2351] <... futex resumed>)        = 1
[pid  2350] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2349] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2348] <... futex resumed>)        = 0
[pid  2352] <... futex resumed>)        = 0
[pid  2351] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2350] <... futex resumed>)        = 1
[pid  2349] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2348] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2346] <... futex resumed>)        = 0
[pid  2352] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2351] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2350] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2349] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2348] <... futex resumed>)        = 0
[pid  2352] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2351] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2349] <... futex resumed>)        = 0
[pid  2348] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2346] exit_group(0 <unfinished ...>
[pid  2352] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2351] <... openat resumed>)       = 3
[pid  2349] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2352] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2351] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2346] <... exit_group resumed>)   = ?
[pid  2351] <... futex resumed>)        = 1
[pid  2348] <... futex resumed>)        = 0
[pid  2351] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2348] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2351] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2348] <... futex resumed>)        = 0
[pid  2351] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2348] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2351] <... write resumed>)        = 2
[pid  2350] <... futex resumed>)        = ?
[pid  2352] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2352] <... futex resumed>)        = 1
[pid  2351] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2348] <... futex resumed>)        = 0
[pid  2351] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2348] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2351] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2348] <... futex resumed>)        = 0
[pid  2352] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2351] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2349] <... futex resumed>)        = 0
[pid  2348] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2351] <... openat resumed>)       = 4
[pid  2349] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2351] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2348] <... futex resumed>)        = 0
[pid  2351] <... futex resumed>)        = 1
[pid  2348] exit_group(0 <unfinished ...>
[pid  2351] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid  2351] +++ exited with 0 +++
[pid  2350] +++ exited with 0 +++
[pid  2348] <... exit_group resumed>)   = ?
[pid  2349] <... futex resumed>)        = 1
[pid  2346] +++ exited with 0 +++
[pid  2352] <... futex resumed>)        = 0
[pid  2348] +++ exited with 0 +++
[pid  2352] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2349] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2352] <... openat resumed>)       = 3
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2348, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2346, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2352] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2352] <... futex resumed>)        = 1
[pid  2349] <... futex resumed>)        = 0
[pid  2349] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2349] <... futex resumed>)        = 0
[pid  2352] write(3, "\x38\x00", 2)     = 2
[pid  2352] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2353 attached
[pid  2349] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2353] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2352] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2349] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2353
[pid  2353] <... set_robust_list resumed>) = 0
[pid  2349] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2353] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2349] <... futex resumed>)        = 1
[pid  2352] <... futex resumed>)        = 0
[pid  2353] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2353] setpgid(0, 0)               = 0
[pid  2353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2349] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2352] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2353] <... openat resumed>)       = 3
[pid  2353] write(3, "1000", 4)         = 4
[pid  2353] close(3 <unfinished ...>
[pid  2352] <... openat resumed>)       = 4
[pid  2353] <... close resumed>)        = 0
[pid  2352] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2353] write(1, "executing program\n", 18 <unfinished ...>
[pid  2349] <... futex resumed>)        = 0
executing program
[pid  2352] <... futex resumed>)        = 1
[pid  2353] <... write resumed>)        = 18
[pid  2353] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2352] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2349] exit_group(0 <unfinished ...>
[pid  2353] <... futex resumed>)        = 0
[pid  2352] <... futex resumed>)        = ?
[pid  2349] <... exit_group resumed>)   = ?
[pid  2353] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2352] +++ exited with 0 +++
[pid  2353] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2353] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2353] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2353] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2349] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2349, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... restart_syscall resumed>) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2353] <... clone3 resumed> => {parent_tid=[2354]}, 88) = 2354
[pid  2353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2353] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2353] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2354 attached
 <unfinished ...>
[pid  2354] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2354] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  2354] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2354] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2353] <... futex resumed>)        = 0
[pid  2353] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2354] <... futex resumed>)        = 0
[pid  2353] <... futex resumed>)        = 1
[pid  2354] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2353] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2354] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2354] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2353] <... futex resumed>)        = 0
[pid  2354] <... futex resumed>)        = 1
[pid  2353] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2354] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  2353] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2354] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2353] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2354] <... futex resumed>)        = 0
[pid  2353] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2354] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2353] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2354] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2353] <... futex resumed>)        = 0
[pid  2354] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2353] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2354] <... write resumed>)        = 2
[pid  2354] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2353] <... futex resumed>)        = 0
[pid  2354] <... futex resumed>)        = 1
[pid  2353] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2354] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2353] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2355 attached
[pid  2354] <... openat resumed>)       = 4
[pid  2353] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2355] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2355
[pid  2355] <... set_robust_list resumed>) = 0
[pid  2354] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2353] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2355] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2354] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2355] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2353] exit_group(0 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2354] <... futex resumed>)        = ?
[pid  2353] <... exit_group resumed>)   = ?
[pid  2355] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2354] +++ exited with 0 +++
[pid  2353] +++ exited with 0 +++
[pid  2355] <... prctl resumed>)        = 0
[pid  2355] setpgid(0, 0 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2353, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2355] <... setpgid resumed>)      = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  2355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2355] <... openat resumed>)       = 3
[pid   314] <... restart_syscall resumed>) = 0
[pid  2355] write(3, "1000", 4)         = 4
[pid  2355] close(3 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2355] <... close resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2355] write(1, "executing program\n", 18 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2355] <... write resumed>)        = 18
executing program
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2356 attached
 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2355] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2355] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2355] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2356
[pid  2355] <... mmap resumed>)         = 0x7fb4de009000
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2355] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2357 attached
 <unfinished ...>
[pid  2355] <... mprotect resumed>)     = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2357] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2355] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2357] <... set_robust_list resumed>) = 0
[pid  2355] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2357] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2355] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2358 attached
 <unfinished ...>
[pid  2357] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2357] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2358] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2356] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2358] <... set_robust_list resumed>) = 0
[pid  2356] <... set_robust_list resumed>) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2359
ci2-android-6-12-rust/strace-static-x86_64: Process 2359 attached
[pid  2357] <... prctl resumed>)        = 0
[pid  2356] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2355] <... clone3 resumed> => {parent_tid=[2358]}, 88) = 2358
[pid  2358] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2357
[pid  2359] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2358] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2357] setpgid(0, 0 <unfinished ...>
[pid  2356] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2355] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2359] <... set_robust_list resumed>) = 0
[pid  2358] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2357] <... setpgid resumed>)      = 0
[pid  2355] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2359] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2356] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2355] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2359] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2358] <... futex resumed>)        = 0
[pid  2357] <... openat resumed>)       = 3
[pid  2356] <... prctl resumed>)        = 0
[pid  2355] <... futex resumed>)        = 1
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2359] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2358] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2357] write(3, "1000", 4 <unfinished ...>
[pid  2356] setpgid(0, 0 <unfinished ...>
[pid  2355] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2358] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2359] <... prctl resumed>)        = 0
[pid  2358] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2357] <... write resumed>)        = 4
[pid  2356] <... setpgid resumed>)      = 0
[pid  2355] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2359] setpgid(0, 0 <unfinished ...>
[pid  2358] <... futex resumed>)        = 0
[pid  2357] close(3 <unfinished ...>
[pid  2355] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2359] <... setpgid resumed>)      = 0
[pid  2358] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2357] <... close resumed>)        = 0
[pid  2356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2355] <... futex resumed>)        = 0
[pid  2359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2357] write(1, "executing program\n", 18 <unfinished ...>
[pid  2358] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2355] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2359] <... openat resumed>)       = 3
executing program
[pid  2357] <... write resumed>)        = 18
[pid  2356] <... openat resumed>)       = 3
[pid  2357] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2359] write(3, "1000", 4 <unfinished ...>
[pid  2357] <... futex resumed>)        = 0
[pid  2359] <... write resumed>)        = 4
[pid  2359] close(3 <unfinished ...>
[pid  2357] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2359] <... close resumed>)        = 0
[pid  2357] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2359] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  2358] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2357] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2356] write(3, "1000", 4 <unfinished ...>
[pid  2359] <... write resumed>)        = 18
[pid  2358] <... futex resumed>)        = 1
[pid  2357] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2356] <... write resumed>)        = 4
[pid  2355] <... futex resumed>)        = 0
[pid  2359] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2355] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2359] <... futex resumed>)        = 0
[pid  2358] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2357] <... mmap resumed>)         = 0x7fb4de009000
[pid  2356] close(3 <unfinished ...>
[pid  2355] <... futex resumed>)        = 0
[pid  2359] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2355] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2359] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2358] <... openat resumed>)       = 3
[pid  2357] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2356] <... close resumed>)        = 0
[pid  2359] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2358] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2357] <... mprotect resumed>)     = 0
[pid  2356] write(1, "executing program\n", 18 <unfinished ...>
[pid  2359] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  2359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2358] <... futex resumed>)        = 1
[pid  2357] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2356] <... write resumed>)        = 18
[pid  2355] <... futex resumed>)        = 0
[pid  2359] <... mmap resumed>)         = 0x7fb4de009000
[pid  2358] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2356] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2359] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2357] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2355] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2359] <... mprotect resumed>)     = 0
[pid  2358] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2357] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2356] <... futex resumed>)        = 0
[pid  2355] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2360 attached
[pid  2359] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2358] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2356] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2355] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2360] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2359] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2358] <... write resumed>)        = 2
[pid  2357] <... clone3 resumed> => {parent_tid=[2360]}, 88) = 2360
[pid  2356] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2360] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2359] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2358] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2357] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2356] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 2361 attached
 <unfinished ...>
[pid  2360] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2358] <... futex resumed>)        = 1
[pid  2356] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2355] <... futex resumed>)        = 0
[pid  2359] <... clone3 resumed> => {parent_tid=[2361]}, 88) = 2361
[pid  2357] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2355] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2359] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2358] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2357] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2355] <... futex resumed>)        = 0
[pid  2359] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2357] <... futex resumed>)        = 0
[pid  2355] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2359] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2358] <... openat resumed>)       = 4
[pid  2357] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2359] <... futex resumed>)        = 0
[pid  2356] <... mmap resumed>)         = 0x7fb4de009000
[pid  2359] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2356] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2360] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2358] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2356] <... mprotect resumed>)     = 0
[pid  2360] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2358] <... futex resumed>)        = 1
[pid  2355] <... futex resumed>)        = 0
[pid  2360] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2358] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2356] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2355] exit_group(0 <unfinished ...>
[pid  2360] <... futex resumed>)        = 1
[pid  2358] <... futex resumed>)        = ?
[pid  2357] <... futex resumed>)        = 0
[pid  2356] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2355] <... exit_group resumed>)   = ?
[pid  2361] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2360] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2358] +++ exited with 0 +++
[pid  2357] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2356] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2361] <... set_robust_list resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2362 attached
[pid  2361] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2360] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2357] <... futex resumed>)        = 0
[pid  2355] +++ exited with 0 +++
[pid  2362] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2361] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2360] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2357] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2362] <... set_robust_list resumed>) = 0
[pid  2361] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2362] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2355, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2362] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2360] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2356] <... clone3 resumed> => {parent_tid=[2362]}, 88) = 2362
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2362] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2361] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2360] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2356] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2361] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2360] <... futex resumed>)        = 1
[pid  2357] <... futex resumed>)        = 0
[pid  2361] <... futex resumed>)        = 1
[pid  2360] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2359] <... futex resumed>)        = 0
[pid  2357] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2356] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2361] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2360] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2359] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2357] <... futex resumed>)        = 0
[pid  2356] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2361] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2360] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2359] <... futex resumed>)        = 0
[pid  2357] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2362] <... futex resumed>)        = 0
[pid  2361] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2360] <... openat resumed>)       = 3
[pid  2359] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2356] <... futex resumed>)        = 1
[pid  2362] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2360] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2362] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2360] <... futex resumed>)        = 1
[pid  2357] <... futex resumed>)        = 0
[pid  2356] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2362] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2361] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2360] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2357] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2356] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2362] <... futex resumed>)        = 0
[pid  2361] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2360] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2357] <... futex resumed>)        = 0
[pid  2362] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2360] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2357] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2361] <... futex resumed>)        = 1
[pid  2359] <... futex resumed>)        = 0
[pid  2356] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2362] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2361] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2360] <... write resumed>)        = 2
[pid  2359] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2356] <... futex resumed>)        = 0
[pid  2362] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2360] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2359] <... futex resumed>)        = 0
[pid  2362] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2361] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2360] <... futex resumed>)        = 1
[pid  2359] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2357] <... futex resumed>)        = 0
[pid  2356] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2362] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2361] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2360] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2357] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2356] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2362] <... futex resumed>)        = 0
[pid  2361] <... openat resumed>)       = 3
[pid  2360] <... openat resumed>)       = 4
[pid  2357] <... futex resumed>)        = 0
[pid  2362] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2361] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2356] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2361] <... futex resumed>)        = 1
[pid  2356] <... futex resumed>)        = 0
[pid  2361] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2356] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2362] <... openat resumed>)       = 3
[pid  2360] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2359] <... futex resumed>)        = 0
[pid  2357] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2362] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2360] <... futex resumed>)        = 0
[pid  2359] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2357] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2362] <... futex resumed>)        = 1
[pid  2361] <... futex resumed>)        = 0
[pid  2360] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2359] <... futex resumed>)        = 1
[pid  2357] exit_group(0 <unfinished ...>
[pid  2356] <... futex resumed>)        = 0
[pid  2362] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2361] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2360] <... futex resumed>)        = ?
[pid  2359] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2357] <... exit_group resumed>)   = ?
[pid  2361] <... write resumed>)        = 2
[pid  2360] +++ exited with 0 +++
[pid  2357] +++ exited with 0 +++
[pid  2356] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2361] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2362] <... futex resumed>)        = 0
[pid  2361] <... futex resumed>)        = 1
[pid  2359] <... futex resumed>)        = 0
[pid  2356] <... futex resumed>)        = 1
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2357, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2362] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2361] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2359] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2356] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2362] <... write resumed>)        = 2
[pid  2361] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2359] <... futex resumed>)        = 0
[pid  2362] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2359] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2361] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2362] <... futex resumed>)        = 0
[pid  2356] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2362] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2361] <... openat resumed>)       = 4
[pid  2356] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2361] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2356] <... futex resumed>)        = 1
[pid  2362] <... futex resumed>)        = 0
[pid  2361] <... futex resumed>)        = 1
[pid  2359] <... futex resumed>)        = 0
[pid  2356] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2362] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2361] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2359] exit_group(0 <unfinished ...>
[pid  2362] <... openat resumed>)       = 4
[pid  2361] <... futex resumed>)        = ?
[pid  2359] <... exit_group resumed>)   = ?
[pid  2362] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2356] <... futex resumed>)        = 0
[pid  2362] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2356] exit_group(0 <unfinished ...>
[pid  2362] <... futex resumed>)        = ?
[pid  2362] +++ exited with 0 +++
[pid  2356] <... exit_group resumed>)   = ?
[pid  2361] +++ exited with 0 +++
[pid  2356] +++ exited with 0 +++
[pid  2359] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2356, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2359, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2363 attached
, child_tidptr=0x55557716c690) = 2363
[pid  2363] set_robust_list(0x55557716c6a0, 24) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2363] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2363] setpgid(0, 0)               = 0
[pid  2363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2363] <... openat resumed>)       = 3
[pid  2363] write(3, "1000", 4)         = 4
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2363] close(3 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2363] <... close resumed>)        = 0
executing program
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2364 attached
 <unfinished ...>
[pid  2363] write(1, "executing program\n", 18 <unfinished ...>
[pid  2364] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2363] <... write resumed>)        = 18
[pid  2364] <... set_robust_list resumed>) = 0
[pid  2364] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2363] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2364] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2363] <... futex resumed>)        = 0
[pid  2364] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2363] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2364
[pid  2364] <... prctl resumed>)        = 0
[pid  2363] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  2364] setpgid(0, 0 <unfinished ...>
[pid  2363] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2364] <... setpgid resumed>)      = 0
[pid  2363] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2364] <... openat resumed>)       = 3
[pid  2363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2364] write(3, "1000", 4 <unfinished ...>
[pid  2363] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2364] <... write resumed>)        = 4
[pid  2363] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2364] close(3 <unfinished ...>
[pid  2363] <... mprotect resumed>)     = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2364] <... close resumed>)        = 0
[pid  2364] write(1, "executing program\n", 18 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2366 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2365 attached
executing program
 <unfinished ...>
[pid  2364] <... write resumed>)        = 18
[pid  2363] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2366] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2365] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2363] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2366] <... set_robust_list resumed>) = 0
[pid  2364] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2365
[pid  2364] <... futex resumed>)        = 0
[pid  2363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2364] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2366] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2365] <... set_robust_list resumed>) = 0
[pid  2364] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2366
ci2-android-6-12-rust/strace-static-x86_64: Process 2367 attached
[pid  2366] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2365] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2364] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2367] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2366] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2365] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2364] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2363] <... clone3 resumed> => {parent_tid=[2367]}, 88) = 2367
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2366] <... prctl resumed>)        = 0
[pid  2365] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2363] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2366] setpgid(0, 0 <unfinished ...>
[pid  2367] <... set_robust_list resumed>) = 0
[pid  2366] <... setpgid resumed>)      = 0
[pid  2365] <... prctl resumed>)        = 0
[pid  2364] <... mmap resumed>)         = 0x7fb4de009000
[pid  2363] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2367] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2365] setpgid(0, 0 <unfinished ...>
[pid  2367] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2365] <... setpgid resumed>)      = 0
[pid  2364] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2363] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2367] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2366] <... openat resumed>)       = 3
[pid  2365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2363] <... futex resumed>)        = 0
[pid  2366] write(3, "1000", 4 <unfinished ...>
[pid  2364] <... mprotect resumed>)     = 0
[pid  2366] <... write resumed>)        = 4
[pid  2363] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2367] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2366] close(3 <unfinished ...>
[pid  2365] <... openat resumed>)       = 3
[pid  2364] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2367] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2366] <... close resumed>)        = 0
[pid  2364] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2366] write(1, "executing program\n", 18 <unfinished ...>
[pid  2364] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2366] <... write resumed>)        = 18
executing program
ci2-android-6-12-rust/strace-static-x86_64: Process 2368 attached
[pid  2367] <... futex resumed>)        = 1
[pid  2365] write(3, "1000", 4 <unfinished ...>
[pid  2368] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2367] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2366] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2365] <... write resumed>)        = 4
[pid  2363] <... futex resumed>)        = 0
[pid  2368] <... set_robust_list resumed>) = 0
[pid  2366] <... futex resumed>)        = 0
[pid  2365] close(3 <unfinished ...>
[pid  2364] <... clone3 resumed> => {parent_tid=[2368]}, 88) = 2368
[pid  2363] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2368] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2367] <... futex resumed>)        = 0
[pid  2366] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2365] <... close resumed>)        = 0
[pid  2364] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2363] <... futex resumed>)        = 1
[pid  2368] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2367] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2366] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2365] write(1, "executing program\n", 18 <unfinished ...>
[pid  2364] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2363] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2368] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2367] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2366] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2365] <... write resumed>)        = 18
executing program
[pid  2364] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2368] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2367] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2366] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2365] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2364] <... futex resumed>)        = 0
[pid  2368] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2367] <... futex resumed>)        = 1
[pid  2366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2365] <... futex resumed>)        = 0
[pid  2364] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2363] <... futex resumed>)        = 0
[pid  2368] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2367] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2366] <... mmap resumed>)         = 0x7fb4de009000
[pid  2365] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2363] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2368] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2367] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2366] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2365] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2368] <... futex resumed>)        = 1
[pid  2367] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2366] <... mprotect resumed>)     = 0
[pid  2365] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2364] <... futex resumed>)        = 0
[pid  2363] <... futex resumed>)        = 0
[pid  2368] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2367] <... openat resumed>)       = 3
[pid  2366] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2365] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2364] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2363] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2368] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2367] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2366] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2364] <... futex resumed>)        = 0
[pid  2363] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2368] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2367] <... futex resumed>)        = 0
[pid  2366] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2365] <... mmap resumed>)         = 0x7fb4de009000
[pid  2364] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2363] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2368] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2367] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2365] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITEci2-android-6-12-rust/strace-static-x86_64: Process 2369 attached
 <unfinished ...>
[pid  2368] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2367] <... write resumed>)        = 2
[pid  2363] <... futex resumed>)        = 0
[pid  2369] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2368] <... futex resumed>)        = 1
[pid  2367] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2366] <... clone3 resumed> => {parent_tid=[2369]}, 88) = 2369
[pid  2365] <... mprotect resumed>)     = 0
[pid  2364] <... futex resumed>)        = 0
[pid  2363] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2369] <... set_robust_list resumed>) = 0
[pid  2368] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2367] <... futex resumed>)        = 0
[pid  2366] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2365] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2364] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2367] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2365] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2365] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2369] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2368] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2366] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2364] <... futex resumed>)        = 0
[pid  2363] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2369] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2368] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2366] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2364] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2363] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2370 attached
 <unfinished ...>
[pid  2368] <... openat resumed>)       = 3
[pid  2366] <... futex resumed>)        = 0
[pid  2363] <... futex resumed>)        = 1
[pid  2369] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2367] <... futex resumed>)        = 0
[pid  2368] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2367] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2365] <... clone3 resumed> => {parent_tid=[2370]}, 88) = 2370
[pid  2363] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2370] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2369] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2368] <... futex resumed>)        = 1
[pid  2367] <... openat resumed>)       = 4
[pid  2366] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2365] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2364] <... futex resumed>)        = 0
[pid  2370] <... set_robust_list resumed>) = 0
[pid  2368] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2367] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2365] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2369] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2364] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2366] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2370] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2369] <... futex resumed>)        = 0
[pid  2368] <... write resumed>)        = 2
[pid  2367] <... futex resumed>)        = 1
[pid  2366] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2365] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2364] <... futex resumed>)        = 0
[pid  2363] <... futex resumed>)        = 0
[pid  2370] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2369] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2368] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2367] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2366] <... futex resumed>)        = 0
[pid  2365] <... futex resumed>)        = 0
[pid  2364] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2368] <... futex resumed>)        = 0
[pid  2366] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2368] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2370] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2369] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2365] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2364] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2363] exit_group(0 <unfinished ...>
[pid  2370] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2369] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2367] <... futex resumed>)        = ?
[pid  2364] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2363] <... exit_group resumed>)   = ?
[pid  2370] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2367] +++ exited with 0 +++
[pid  2366] <... futex resumed>)        = 0
[pid  2364] <... futex resumed>)        = 1
[pid  2368] <... futex resumed>)        = 0
[pid  2366] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2369] <... futex resumed>)        = 1
[pid  2366] <... futex resumed>)        = 0
[pid  2369] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2368] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2366] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2369] <... openat resumed>)       = 3
[pid  2369] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2366] <... futex resumed>)        = 0
[pid  2369] <... futex resumed>)        = 1
[pid  2366] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2369] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2366] <... futex resumed>)        = 0
[pid  2369] <... write resumed>)        = 2
[pid  2366] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2369] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2366] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2363] +++ exited with 0 +++
[pid  2370] <... futex resumed>)        = 1
[pid  2365] <... futex resumed>)        = 0
[pid  2370] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2369] <... futex resumed>)        = 0
[pid  2368] <... openat resumed>)       = 4
[pid  2366] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2365] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2364] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2363, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2370] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2369] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2366] <... futex resumed>)        = 0
[pid  2365] <... futex resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2370] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2369] <... openat resumed>)       = 4
[pid  2368] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2366] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2365] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2370] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2368] <... futex resumed>)        = 1
[pid  2364] <... futex resumed>)        = 0
[pid  2370] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2369] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2368] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2364] exit_group(0 <unfinished ...>
[pid  2370] <... futex resumed>)        = 1
[pid  2369] <... futex resumed>)        = 1
[pid  2366] <... futex resumed>)        = 0
[pid  2365] <... futex resumed>)        = 0
[pid  2364] <... exit_group resumed>)   = ?
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2369] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2368] <... futex resumed>)        = ?
[pid  2366] exit_group(0 <unfinished ...>
[pid  2365] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2370] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2369] <... futex resumed>)        = ?
[pid  2366] <... exit_group resumed>)   = ?
[pid  2365] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2369] +++ exited with 0 +++
[pid  2368] +++ exited with 0 +++
[pid  2366] +++ exited with 0 +++
[pid  2365] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2364] +++ exited with 0 +++
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2370] <... openat resumed>)       = 3
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2364, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2366, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 2371 attached
[pid  2370] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2370] <... futex resumed>)        = 1
[pid  2371] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2370] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2371] <... set_robust_list resumed>) = 0
[pid  2365] <... futex resumed>)        = 0
[pid  2365] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2370] <... futex resumed>)        = 0
[pid  2365] <... futex resumed>)        = 1
[pid  2365] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2371] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2370] write(3, "\x38\x00", 2 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2371
[pid  2370] <... write resumed>)        = 2
[pid   312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2371] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2371] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2370] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2371] <... prctl resumed>)        = 0
[pid  2365] <... futex resumed>)        = 0
[pid  2371] setpgid(0, 0 <unfinished ...>
[pid  2370] <... futex resumed>)        = 1
[pid  2365] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  2371] <... setpgid resumed>)      = 0
[pid  2365] <... futex resumed>)        = 0
[pid  2371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2370] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2365] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2371] <... openat resumed>)       = 3
[pid  2370] <... openat resumed>)       = 4
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2370] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2372 attached
) = 1
[pid  2371] write(3, "1000", 4)         = 4
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2371] close(3)                    = 0
[pid  2365] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2371] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  2365] exit_group(0 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2372] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2371] <... write resumed>)        = 18
[pid  2365] <... exit_group resumed>)   = ?
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2372
ci2-android-6-12-rust/strace-static-x86_64: Process 2373 attached
[pid  2372] <... set_robust_list resumed>) = 0
[pid  2371] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2370] +++ exited with 0 +++
[pid  2365] +++ exited with 0 +++
[pid  2373] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2372] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2371] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2365, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2373] <... set_robust_list resumed>) = 0
[pid  2372] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2371] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2373
[pid  2373] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2372] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2371] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2373] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2372] <... prctl resumed>)        = 0
[pid  2371] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2371] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2372] setpgid(0, 0 <unfinished ...>
[pid  2373] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2371] <... mmap resumed>)         = 0x7fb4de009000
[pid  2371] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2373] <... prctl resumed>)        = 0
[pid  2372] <... setpgid resumed>)      = 0
[pid  2371] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2371] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2373] setpgid(0, 0ci2-android-6-12-rust/strace-static-x86_64: Process 2374 attached
 <unfinished ...>
[pid  2374] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2373] <... setpgid resumed>)      = 0
[pid  2372] <... openat resumed>)       = 3
[pid  2374] <... set_robust_list resumed>) = 0
[pid  2371] <... clone3 resumed> => {parent_tid=[2374]}, 88) = 2374
[pid  2374] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2372] write(3, "1000", 4 <unfinished ...>
[pid  2371] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2374] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2371] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2374] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2373] <... openat resumed>)       = 3
[pid  2371] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2372] <... write resumed>)        = 4
[pid  2374] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2373] write(3, "1000", 4 <unfinished ...>
[pid  2372] close(3 <unfinished ...>
[pid  2371] <... futex resumed>)        = 0
[pid  2374] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2373] <... write resumed>)        = 4
[pid  2372] <... close resumed>)        = 0
[pid  2371] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2374] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2373] close(3 <unfinished ...>
[pid  2372] write(1, "executing program\n", 18 <unfinished ...>
[pid  2374] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2372] <... write resumed>)        = 18
[pid  2374] <... futex resumed>)        = 1
[pid  2371] <... futex resumed>)        = 0
executing program
[pid  2374] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2371] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2374] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2373] <... close resumed>)        = 0
executing program
[pid  2372] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2371] <... futex resumed>)        = 0
[pid  2373] write(1, "executing program\n", 18 <unfinished ...>
[pid  2372] <... futex resumed>)        = 0
[pid  2372] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2371] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2373] <... write resumed>)        = 18
[pid  2372] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2374] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2373] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2371] <... futex resumed>)        = 0
[pid  2372] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2373] <... futex resumed>)        = 0
[pid  2371] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2373] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2373] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2371] <... futex resumed>)        = 0
[pid  2372] <... mmap resumed>)         = 0x7fb4de009000
[pid  2371] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2374] <... futex resumed>)        = 1
[pid  2374] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  2373] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2372] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2373] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  2372] <... mprotect resumed>)     = 0
[pid  2373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2374] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2373] <... mmap resumed>)         = 0x7fb4de009000
[pid  2374] <... futex resumed>)        = 1
[pid  2372] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2371] <... futex resumed>)        = 0
[pid  2374] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2371] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2374] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2371] <... futex resumed>)        = 0
[pid  2374] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2371] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2374] <... write resumed>)        = 2
[pid  2374] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2371] <... futex resumed>)        = 0
[pid  2374] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2371] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2374] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2371] <... futex resumed>)        = 0
[pid  2374] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2371] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2374] <... openat resumed>)       = 4
[pid  2373] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2372] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2374] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2373] <... mprotect resumed>)     = 0
[pid  2372] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2374] <... futex resumed>)        = 1
[pid  2371] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2375 attached
[pid  2374] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2373] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2371] exit_group(0 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2375] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2374] <... futex resumed>)        = ?
[pid  2373] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2371] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 2376 attached
[pid  2374] +++ exited with 0 +++
[pid  2373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2372] <... clone3 resumed> => {parent_tid=[2375]}, 88) = 2375
[pid  2371] +++ exited with 0 +++
[pid  2375] <... set_robust_list resumed>) = 0
[pid  2375] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2372] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2376] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2376
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2371, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2376] <... set_robust_list resumed>) = 0
[pid  2375] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2372] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 2377 attached
 <unfinished ...>
[pid  2376] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2375] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2372] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2372] <... futex resumed>)        = 0
[pid  2377] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2376] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2375] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2373] <... clone3 resumed> => {parent_tid=[2377]}, 88) = 2377
[pid  2372] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2377] <... set_robust_list resumed>) = 0
[pid  2375] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2377] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2376] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2375] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2373] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2377] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2376] <... prctl resumed>)        = 0
[pid  2375] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2373] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2377] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2376] setpgid(0, 0 <unfinished ...>
[pid  2375] <... futex resumed>)        = 1
[pid  2375] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2373] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2372] <... futex resumed>)        = 0
[pid  2376] <... setpgid resumed>)      = 0
[pid  2373] <... futex resumed>)        = 1
[pid  2372] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2373] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2377] <... futex resumed>)        = 0
[pid  2372] <... futex resumed>)        = 1
[pid  2377] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2375] <... futex resumed>)        = 0
[pid  2372] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2377] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2375] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2377] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2375] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2377] <... futex resumed>)        = 1
[pid  2377] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2375] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2376] <... openat resumed>)       = 3
[pid  2375] <... futex resumed>)        = 0
[pid  2373] <... futex resumed>)        = 0
[pid  2372] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2373] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2372] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2373] <... futex resumed>)        = 1
[pid  2372] <... futex resumed>)        = 0
[pid  2376] write(3, "1000", 4 <unfinished ...>
[pid  2373] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2372] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2377] <... futex resumed>)        = 0
[pid  2375] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2377] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2376] <... write resumed>)        = 4
[pid  2375] <... openat resumed>)       = 3
[pid  2377] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2376] close(3 <unfinished ...>
[pid  2375] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2377] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2375] <... futex resumed>)        = 1
[pid  2377] <... futex resumed>)        = 1
[pid  2376] <... close resumed>)        = 0
[pid  2375] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2373] <... futex resumed>)        = 0
[pid  2372] <... futex resumed>)        = 0
[pid  2377] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2376] write(1, "executing program\n", 18 <unfinished ...>
[pid  2373] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2372] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2377] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
executing program
[pid  2377] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  2376] <... write resumed>)        = 18
[pid  2375] <... futex resumed>)        = 0
[pid  2373] <... futex resumed>)        = 0
[pid  2372] <... futex resumed>)        = 1
[pid  2377] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2376] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2375] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2373] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2372] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2377] <... futex resumed>)        = 0
[pid  2376] <... futex resumed>)        = 0
[pid  2375] <... write resumed>)        = 2
[pid  2377] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2376] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2375] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2373] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2376] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2373] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2376] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2373] <... futex resumed>)        = 0
[pid  2376] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2377] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2375] <... futex resumed>)        = 1
[pid  2372] <... futex resumed>)        = 0
[pid  2373] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2377] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2375] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2372] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2377] <... write resumed>)        = 2
[pid  2376] <... mmap resumed>)         = 0x7fb4de009000
[pid  2375] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2377] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2376] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2375] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2372] <... futex resumed>)        = 0
[pid  2377] <... futex resumed>)        = 1
[pid  2376] <... mprotect resumed>)     = 0
[pid  2375] <... openat resumed>)       = 4
[pid  2373] <... futex resumed>)        = 0
[pid  2372] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2377] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2375] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2373] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2377] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2376] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2375] <... futex resumed>)        = 0
[pid  2372] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2377] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2375] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2373] <... futex resumed>)        = 0
[pid  2377] <... openat resumed>)       = 4
[pid  2376] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2373] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2372] exit_group(0 <unfinished ...>
[pid  2376] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2372] <... exit_group resumed>)   = ?
[pid  2377] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2375] <... futex resumed>)        = ?
[pid  2377] <... futex resumed>)        = 1
[pid  2375] +++ exited with 0 +++
[pid  2373] <... futex resumed>)        = 0
[pid  2377] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 2378 attached
 <unfinished ...>
[pid  2373] exit_group(0 <unfinished ...>
[pid  2378] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2377] <... futex resumed>)        = ?
[pid  2376] <... clone3 resumed> => {parent_tid=[2378]}, 88) = 2378
[pid  2373] <... exit_group resumed>)   = ?
[pid  2378] <... set_robust_list resumed>) = 0
[pid  2377] +++ exited with 0 +++
[pid  2376] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2372] +++ exited with 0 +++
[pid  2378] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2376] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  2378] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2376] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2372, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2378] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2376] <... futex resumed>)        = 0
[pid  2373] +++ exited with 0 +++
[pid  2378] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2376] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2373, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2378] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2376] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2378] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2376] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2378] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2376] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2379 attached
 <unfinished ...>
[pid  2378] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2376] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2379] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2378] <... futex resumed>)        = 0
[pid  2379] <... set_robust_list resumed>) = 0
[pid  2378] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2379] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2376] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2379
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2379] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2376] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2380 attached
 <unfinished ...>
[pid  2379] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2378] <... futex resumed>)        = 0
[pid  2376] <... futex resumed>)        = 1
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2380] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2379] <... prctl resumed>)        = 0
[pid  2378] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2376] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2380] <... set_robust_list resumed>) = 0
[pid  2379] setpgid(0, 0 <unfinished ...>
[pid  2378] <... openat resumed>)       = 3
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2380
[pid  2380] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2379] <... setpgid resumed>)      = 0
[pid  2378] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2380] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2378] <... futex resumed>)        = 1
[pid  2380] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2378] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2376] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2380] <... prctl resumed>)        = 0
[pid  2379] <... openat resumed>)       = 3
[pid  2376] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2380] setpgid(0, 0 <unfinished ...>
[pid  2379] write(3, "1000", 4 <unfinished ...>
[pid  2378] <... futex resumed>)        = 0
[pid  2376] <... futex resumed>)        = 1
[pid  2380] <... setpgid resumed>)      = 0
[pid  2379] <... write resumed>)        = 4
[pid  2378] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2376] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2379] close(3 <unfinished ...>
[pid  2378] <... write resumed>)        = 2
[pid  2380] <... openat resumed>)       = 3
[pid  2379] <... close resumed>)        = 0
[pid  2378] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2380] write(3, "1000", 4 <unfinished ...>
[pid  2379] write(1, "executing program\n", 18 <unfinished ...>
[pid  2378] <... futex resumed>)        = 1
[pid  2376] <... futex resumed>)        = 0
[pid  2380] <... write resumed>)        = 4
[pid  2378] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2380] close(3)                    = 0
[pid  2379] <... write resumed>)        = 18
[pid  2376] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2380] write(1, "executing program\n", 18 <unfinished ...>
executing program
executing program
[pid  2379] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2378] <... futex resumed>)        = 0
[pid  2376] <... futex resumed>)        = 1
[pid  2380] <... write resumed>)        = 18
[pid  2379] <... futex resumed>)        = 0
[pid  2378] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2376] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2380] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2379] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2380] <... futex resumed>)        = 0
[pid  2379] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2378] <... openat resumed>)       = 4
[pid  2380] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2379] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2380] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2378] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2380] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2379] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2378] <... futex resumed>)        = 1
[pid  2376] <... futex resumed>)        = 0
[pid  2380] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2378] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2376] exit_group(0 <unfinished ...>
[pid  2380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2379] <... mmap resumed>)         = 0x7fb4de009000
[pid  2378] <... futex resumed>)        = ?
[pid  2376] <... exit_group resumed>)   = ?
[pid  2380] <... mmap resumed>)         = 0x7fb4de009000
[pid  2379] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2378] +++ exited with 0 +++
[pid  2380] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2379] <... mprotect resumed>)     = 0
[pid  2376] +++ exited with 0 +++
[pid  2380] <... mprotect resumed>)     = 0
[pid  2379] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2380] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2379] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2376, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2380] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2380] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2381 attached
 <unfinished ...>
[pid  2379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2382 attached
 <unfinished ...>
[pid  2381] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2380] <... clone3 resumed> => {parent_tid=[2381]}, 88) = 2381
[pid  2382] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2381] <... set_robust_list resumed>) = 0
[pid  2380] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2379] <... clone3 resumed> => {parent_tid=[2382]}, 88) = 2382
[pid  2382] <... set_robust_list resumed>) = 0
[pid  2381] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2380] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2382] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2381] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2380] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2382] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2382] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2381] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2380] <... futex resumed>)        = 0
[pid  2379] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2380] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2379] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2381] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2379] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2382] <... futex resumed>)        = 0
[pid  2381] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2379] <... futex resumed>)        = 1
[pid  2382] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2381] <... futex resumed>)        = 1
[pid  2380] <... futex resumed>)        = 0
[pid  2379] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2382] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2381] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2380] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2382] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2381] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2380] <... futex resumed>)        = 0
[pid  2382] <... futex resumed>)        = 1
[pid  2381] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2380] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2379] <... futex resumed>)        = 0
[pid  2382] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2381] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2379] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2382] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2381] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2382] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  2381] <... futex resumed>)        = 1
[pid  2380] <... futex resumed>)        = 0
[pid  2379] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2382] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2381] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2380] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2379] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2382] <... futex resumed>)        = 0
[pid  2381] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2380] <... futex resumed>)        = 0
[pid  2379] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2382] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2381] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2380] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2379] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2382] <... openat resumed>)       = 3
[pid  2381] <... openat resumed>)       = 3
[pid  2379] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2383 attached
[pid  2382] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2381] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2379] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2383] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2382] <... futex resumed>)        = 0
[pid  2381] <... futex resumed>)        = 1
[pid  2380] <... futex resumed>)        = 0
[pid  2383] <... set_robust_list resumed>) = 0
[pid  2382] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2381] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2380] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2383] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2381] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2379] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2380] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2383
[pid  2383] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2381] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2380] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2379] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2383] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2381] <... write resumed>)        = 2
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2383] <... prctl resumed>)        = 0
[pid  2381] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2383] setpgid(0, 0 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2383] <... setpgid resumed>)      = 0
[pid  2381] <... futex resumed>)        = 1
[pid  2380] <... futex resumed>)        = 0
[pid  2383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2382] <... futex resumed>)        = 0
[pid  2381] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2380] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2379] <... futex resumed>)        = 1
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2384 attached
[pid  2383] <... openat resumed>)       = 3
[pid  2382] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2381] <... openat resumed>)       = 4
[pid  2380] <... futex resumed>)        = 0
[pid  2379] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2384] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2383] write(3, "1000", 4 <unfinished ...>
[pid  2382] <... write resumed>)        = 2
[pid  2381] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2380] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2384] <... set_robust_list resumed>) = 0
[pid  2383] <... write resumed>)        = 4
[pid  2382] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2381] <... futex resumed>)        = 0
[pid  2380] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2384
[pid  2384] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2383] close(3 <unfinished ...>
[pid  2382] <... futex resumed>)        = 1
[pid  2381] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2380] exit_group(0 <unfinished ...>
[pid  2379] <... futex resumed>)        = 0
[pid  2384] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2383] <... close resumed>)        = 0
[pid  2382] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2381] <... futex resumed>)        = ?
[pid  2380] <... exit_group resumed>)   = ?
[pid  2379] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2384] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2383] write(1, "executing program\n", 18 <unfinished ...>
[pid  2382] <... openat resumed>)       = 4
[pid  2381] +++ exited with 0 +++
[pid  2379] <... futex resumed>)        = 0
executing program
[pid  2382] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2379] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2382] <... futex resumed>)        = 0
[pid  2379] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2384] <... prctl resumed>)        = 0
[pid  2383] <... write resumed>)        = 18
[pid  2382] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2380] +++ exited with 0 +++
[pid  2379] exit_group(0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2384] setpgid(0, 0 <unfinished ...>
[pid  2383] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2382] <... futex resumed>)        = ?
[pid  2379] <... exit_group resumed>)   = ?
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2380, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2384] <... setpgid resumed>)      = 0
[pid  2383] <... futex resumed>)        = 0
[pid  2382] +++ exited with 0 +++
[pid  2379] +++ exited with 0 +++
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2383] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2379, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2384] <... openat resumed>)       = 3
[pid  2383] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2384] write(3, "1000", 4 <unfinished ...>
[pid  2383] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2384] <... write resumed>)        = 4
[pid  2383] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2384] close(3 <unfinished ...>
[pid  2383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2384] <... close resumed>)        = 0
[pid  2384] write(1, "executing program\n", 18 <unfinished ...>
[pid  2383] <... mmap resumed>)         = 0x7fb4de009000
executing program
[pid  2384] <... write resumed>)        = 18
[pid  2383] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2384] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2383] <... mprotect resumed>)     = 0
[pid  2384] <... futex resumed>)        = 0
[pid  2383] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2384] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2383] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2384] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2383] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2384] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 2385 attached
, NULL, 8) = 0
[pid  2385] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2383] <... clone3 resumed> => {parent_tid=[2385]}, 88) = 2385
[pid  2385] <... set_robust_list resumed>) = 0
[pid  2384] <... mmap resumed>)         = 0x7fb4de009000
[pid  2383] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2385] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2384] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2383] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2385] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2384] <... mprotect resumed>)     = 0
[pid  2383] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2385] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2384] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2383] <... futex resumed>)        = 0
[pid  2385] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2384] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2385] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2383] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2385] <... futex resumed>)        = 0
[pid  2384] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2385] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2383] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 2386 attached
[pid  2383] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2386] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2385] <... futex resumed>)        = 0
[pid  2384] <... clone3 resumed> => {parent_tid=[2386]}, 88) = 2386
[pid  2383] <... futex resumed>)        = 1
[pid  2386] <... set_robust_list resumed>) = 0
[pid  2385] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2384] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2383] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2386] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2385] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2384] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2386] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2385] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2384] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2386] <... futex resumed>)        = 0
[pid  2385] <... futex resumed>)        = 1
[pid  2384] <... futex resumed>)        = 1
[pid  2383] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2386] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2385] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2383] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2386] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2385] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2384] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2383] <... futex resumed>)        = 0
[pid  2386] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2385] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2384] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2383] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2386] <... futex resumed>)        = 0
[pid  2385] <... openat resumed>)       = 3
[pid  2386] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2384] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2385] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2384] <... futex resumed>)        = 0
[pid  2386] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2385] <... futex resumed>)        = 1
[pid  2384] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2383] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2386] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2385] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2383] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2387 attached
[pid  2386] <... futex resumed>)        = 1
[pid  2385] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2384] <... futex resumed>)        = 0
[pid  2383] <... futex resumed>)        = 0
[pid  2387] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2386] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2385] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2384] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2383] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2387
[pid  2387] <... set_robust_list resumed>) = 0
[pid  2386] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2385] <... write resumed>)        = 2
[pid  2384] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2385] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2384] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2387] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2386] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2385] <... futex resumed>)        = 1
[pid  2383] <... futex resumed>)        = 0
[pid  2387] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2386] <... openat resumed>)       = 3
[pid  2385] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2383] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2387] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2386] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2385] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2383] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2387] <... prctl resumed>)        = 0
[pid  2386] <... futex resumed>)        = 1
[pid  2385] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2384] <... futex resumed>)        = 0
[pid  2383] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2387] setpgid(0, 0 <unfinished ...>
[pid  2386] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2385] <... openat resumed>)       = 4
[pid  2384] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2388 attached
 <unfinished ...>
[pid  2387] <... setpgid resumed>)      = 0
[pid  2386] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2385] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2384] <... futex resumed>)        = 0
[pid  2388] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2386] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2385] <... futex resumed>)        = 1
[pid  2384] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2383] <... futex resumed>)        = 0
[pid  2388] <... set_robust_list resumed>) = 0
[pid  2387] <... openat resumed>)       = 3
[pid  2386] <... write resumed>)        = 2
[pid  2385] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2388] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2387] write(3, "1000", 4 <unfinished ...>
[pid  2386] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2383] exit_group(0 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2388
[pid  2388] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2387] <... write resumed>)        = 4
[pid  2386] <... futex resumed>)        = 1
[pid  2385] <... futex resumed>)        = ?
[pid  2384] <... futex resumed>)        = 0
[pid  2383] <... exit_group resumed>)   = ?
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2387] close(3 <unfinished ...>
[pid  2386] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2385] +++ exited with 0 +++
[pid  2384] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2388] setpgid(0, 0)               = 0
[pid  2387] <... close resumed>)        = 0
[pid  2386] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2384] <... futex resumed>)        = 0
[pid  2383] +++ exited with 0 +++
[pid  2388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2387] write(1, "executing program\n", 18 <unfinished ...>
[pid  2386] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2384] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2383, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2388] <... openat resumed>)       = 3
[pid  2387] <... write resumed>)        = 18
[pid  2386] <... openat resumed>)       = 4
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2388] write(3, "1000", 4 <unfinished ...>
[pid  2387] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2386] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2388] <... write resumed>)        = 4
[pid  2387] <... futex resumed>)        = 0
[pid  2386] <... futex resumed>)        = 1
[pid  2384] <... futex resumed>)        = 0
[pid  2388] close(3 <unfinished ...>
[pid  2387] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2386] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2387] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2384] exit_group(0 <unfinished ...>
[pid  2387] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2386] <... futex resumed>)        = ?
[pid  2384] <... exit_group resumed>)   = ?
[pid  2387] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2386] +++ exited with 0 +++
executing program
[pid  2388] <... close resumed>)        = 0
[pid  2388] write(1, "executing program\n", 18) = 18
[pid  2388] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid  2388] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2384] +++ exited with 0 +++
[pid  2387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2388] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2388] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2387] <... mmap resumed>)         = 0x7fb4de009000
[pid  2388] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2384, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2387] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2388] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2388] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2387] <... mprotect resumed>)     = 0
[pid  2388] <... mprotect resumed>)     = 0
[pid  2388] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2387] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2388] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2387] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2388] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2389 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2390 attached
 <unfinished ...>
[pid  2388] <... clone3 resumed> => {parent_tid=[2390]}, 88) = 2390
[pid  2390] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2389] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2387] <... clone3 resumed> => {parent_tid=[2389]}, 88) = 2389
[pid  2390] <... set_robust_list resumed>) = 0
[pid  2389] <... set_robust_list resumed>) = 0
[pid  2390] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2387] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2388] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2388] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2388] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2389] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2390] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2390] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  2390] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2388] <... futex resumed>)        = 0
[pid  2388] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2390] <... futex resumed>)        = 1
[pid  2388] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2390] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   313] <... restart_syscall resumed>) = 0
[pid  2387] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2390] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2387] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2390] <... futex resumed>)        = 1
[pid  2389] <... futex resumed>)        = 0
[pid  2388] <... futex resumed>)        = 0
[pid  2387] <... futex resumed>)        = 1
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2390] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2389] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2388] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2387] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2391 attached
 <unfinished ...>
[pid  2390] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2388] <... futex resumed>)        = 0
[pid  2389] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2390] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2389] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2388] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2391] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2390] <... openat resumed>)       = 3
[pid  2389] <... futex resumed>)        = 1
[pid  2387] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2391
[pid  2391] <... set_robust_list resumed>) = 0
[pid  2390] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2389] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2387] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2391] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2390] <... futex resumed>)        = 1
[pid  2389] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2388] <... futex resumed>)        = 0
[pid  2387] <... futex resumed>)        = 0
[pid  2391] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2390] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2389] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2388] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2387] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2390] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2389] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2388] <... futex resumed>)        = 0
[pid  2390] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2389] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2388] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2390] <... write resumed>)        = 2
[pid  2389] <... futex resumed>)        = 1
[pid  2387] <... futex resumed>)        = 0
[pid  2391] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2390] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2389] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2387] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2391] <... prctl resumed>)        = 0
[pid  2387] <... futex resumed>)        = 0
[pid  2391] setpgid(0, 0 <unfinished ...>
[pid  2387] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2391] <... setpgid resumed>)      = 0
[pid  2390] <... futex resumed>)        = 1
[pid  2389] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2388] <... futex resumed>)        = 0
[pid  2391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2390] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2389] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2388] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2391] <... openat resumed>)       = 3
[pid  2390] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2389] <... openat resumed>)       = 3
[pid  2388] <... futex resumed>)        = 0
[pid  2391] write(3, "1000", 4 <unfinished ...>
[pid  2390] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2389] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2388] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2391] <... write resumed>)        = 4
[pid  2390] <... openat resumed>)       = 4
[pid  2389] <... futex resumed>)        = 1
[pid  2387] <... futex resumed>)        = 0
[pid  2391] close(3 <unfinished ...>
[pid  2390] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2389] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2387] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2391] <... close resumed>)        = 0
[pid  2390] <... futex resumed>)        = 1
[pid  2389] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2388] <... futex resumed>)        = 0
[pid  2387] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2391] write(1, "executing program\n", 18 <unfinished ...>
[pid  2390] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2389] write(3, "\x38\x00", 2 <unfinished ...>
executing program
[pid  2388] exit_group(0 <unfinished ...>
[pid  2387] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2391] <... write resumed>)        = 18
[pid  2390] <... futex resumed>)        = ?
[pid  2389] <... write resumed>)        = 2
[pid  2388] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 2392 attached
[pid  2391] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2390] +++ exited with 0 +++
[pid  2389] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2388] +++ exited with 0 +++
[pid  2392] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2391] <... futex resumed>)        = 0
[pid  2389] <... futex resumed>)        = 1
[pid  2387] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2388, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2392] <... set_robust_list resumed>) = 0
[pid  2391] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2389] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2387] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2392
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2392] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2391] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2389] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2387] <... futex resumed>)        = 0
[pid  2392] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2391] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2389] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2387] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2392] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2391] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2389] <... openat resumed>)       = 4
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2392] <... prctl resumed>)        = 0
[pid  2391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2392] setpgid(0, 0 <unfinished ...>
[pid  2391] <... mmap resumed>)         = 0x7fb4de009000
[pid  2389] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2392] <... setpgid resumed>)      = 0
[pid  2391] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2389] <... futex resumed>)        = 1
[pid  2387] <... futex resumed>)        = 0
[pid  2392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2389] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2387] exit_group(0 <unfinished ...>
[pid  2391] <... mprotect resumed>)     = 0
[pid  2389] <... futex resumed>)        = ?
[pid  2387] <... exit_group resumed>)   = ?
[pid  2392] <... openat resumed>)       = 3
[pid  2391] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2389] +++ exited with 0 +++
[pid  2387] +++ exited with 0 +++
[pid  2391] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2387, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2392] write(3, "1000", 4 <unfinished ...>
[pid  2391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2392] <... write resumed>)        = 4
ci2-android-6-12-rust/strace-static-x86_64: Process 2393 attached
[pid  2392] close(3 <unfinished ...>
[pid  2393] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2392] <... close resumed>)        = 0
[pid  2393] <... set_robust_list resumed>) = 0
[pid  2391] <... clone3 resumed> => {parent_tid=[2393]}, 88) = 2393
[pid  2393] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
executing program
[pid  2392] write(1, "executing program\n", 18 <unfinished ...>
[pid  2393] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2391] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2392] <... write resumed>)        = 18
[pid  2393] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2391] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2392] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2391] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2393] <... futex resumed>)        = 0
[pid  2392] <... futex resumed>)        = 0
[pid  2391] <... futex resumed>)        = 1
[pid  2391] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2392] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2393] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2392] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2393] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2392] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2393] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2392] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2393] <... futex resumed>)        = 1
[pid  2391] <... futex resumed>)        = 0
[pid  2393] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2393] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2391] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2393] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2392] <... mmap resumed>)         = 0x7fb4de009000
[pid  2391] <... futex resumed>)        = 0
[pid  2393] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2391] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2392] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2393] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2392] <... mprotect resumed>)     = 0
[pid  2391] <... futex resumed>)        = 0
[pid  2393] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  2391] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2393] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2392] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2393] <... openat resumed>)       = 3
[pid  2391] <... futex resumed>)        = 0
[pid  2393] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2391] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2393] <... futex resumed>)        = 0
[pid  2392] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2391] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2393] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2392] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2391] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2393] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2391] <... futex resumed>)        = 0
[pid  2393] write(3, "\x38\x00", 2)     = 2
[pid  2393] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2394 attached
) = 0
[pid  2394] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2393] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2394] <... set_robust_list resumed>) = 0
[pid  2394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2394] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2391] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  2391] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2393] <... futex resumed>)        = 0
[pid  2391] <... futex resumed>)        = 1
[pid  2393] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2391] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2393] <... openat resumed>)       = 4
[pid  2392] <... clone3 resumed> => {parent_tid=[2394]}, 88) = 2394
[pid  2392] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2393] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2393] <... futex resumed>)        = 1
[pid  2392] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2391] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2393] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2392] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2391] exit_group(0 <unfinished ...>
[pid  2393] <... futex resumed>)        = ?
[pid  2391] <... exit_group resumed>)   = ?
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2395 attached
 <unfinished ...>
[pid  2394] <... futex resumed>)        = 0
[pid  2393] +++ exited with 0 +++
[pid  2392] <... futex resumed>)        = 1
[pid  2391] +++ exited with 0 +++
[pid  2394] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2392] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2395] set_robust_list(0x55557716c6a0, 24) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2391, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2394] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2395] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2394] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2394] <... futex resumed>)        = 1
[pid  2392] <... futex resumed>)        = 0
[pid  2395] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2392] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2394] mount(NULL, "./tracefs_dir", "tracefs", 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 2396 attached
 <unfinished ...>
[pid  2395] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2394] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2392] <... futex resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  2392] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2396] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2395] <... prctl resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2395
[pid  2396] <... set_robust_list resumed>) = 0
[pid  2395] setpgid(0, 0 <unfinished ...>
[pid  2394] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2396] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2395] <... setpgid resumed>)      = 0
[pid  2394] <... futex resumed>)        = 1
[pid  2392] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2396
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2396] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2394] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2392] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2397 attached
 <unfinished ...>
[pid  2396] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2395] <... openat resumed>)       = 3
[pid  2394] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2392] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2394] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2392] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2397] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2396] <... prctl resumed>)        = 0
[pid  2395] write(3, "1000", 4 <unfinished ...>
[pid  2397] <... set_robust_list resumed>) = 0
[pid  2396] setpgid(0, 0 <unfinished ...>
[pid  2395] <... write resumed>)        = 4
[pid  2394] <... openat resumed>)       = 3
[pid  2396] <... setpgid resumed>)      = 0
[pid  2395] close(3 <unfinished ...>
[pid  2397] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2394] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2397
[pid  2394] <... futex resumed>)        = 1
[pid  2392] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2394] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2392] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2394] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2392] <... futex resumed>)        = 0
[pid  2394] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2392] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2394] <... write resumed>)        = 2
[pid  2394] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2392] <... futex resumed>)        = 0
[pid  2394] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2392] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2394] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2392] <... futex resumed>)        = 0
[pid  2394] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2392] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2394] <... openat resumed>)       = 4
[pid  2394] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2392] <... futex resumed>)        = 0
[pid  2397] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2395] <... close resumed>)        = 0
[pid  2392] exit_group(0)               = ?
[pid  2397] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2395] write(1, "executing program\n", 18 <unfinished ...>
[pid  2394] <... futex resumed>)        = ?
[pid  2396] <... openat resumed>)       = 3
executing program
[pid  2397] <... prctl resumed>)        = 0
[pid  2396] write(3, "1000", 4 <unfinished ...>
[pid  2395] <... write resumed>)        = 18
[pid  2397] setpgid(0, 0 <unfinished ...>
[pid  2396] <... write resumed>)        = 4
[pid  2397] <... setpgid resumed>)      = 0
[pid  2395] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2396] close(3 <unfinished ...>
[pid  2395] <... futex resumed>)        = 0
[pid  2394] +++ exited with 0 +++
[pid  2392] +++ exited with 0 +++
[pid  2397] <... openat resumed>)       = 3
[pid  2396] <... close resumed>)        = 0
[pid  2395] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2397] write(3, "1000", 4 <unfinished ...>
[pid  2396] write(1, "executing program\n", 18 <unfinished ...>
[pid  2395] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2397] <... write resumed>)        = 4
[pid  2395] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2397] close(3 <unfinished ...>
[pid  2396] <... write resumed>)        = 18
[pid  2395] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2397] <... close resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2392, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2397] write(1, "executing program\n", 18 <unfinished ...>
[pid  2395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2397] <... write resumed>)        = 18
executing program
executing program
[pid  2396] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2397] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2396] <... futex resumed>)        = 0
[pid  2395] <... mmap resumed>)         = 0x7fb4de009000
[pid  2397] <... futex resumed>)        = 0
[pid  2396] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2395] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2397] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2396] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2397] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2396] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2395] <... mprotect resumed>)     = 0
[pid  2397] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2396] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2397] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2395] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2397] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2397] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2396] <... mmap resumed>)         = 0x7fb4de009000
[pid  2395] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2396] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2395] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2396] <... mprotect resumed>)     = 0
[pid  2397] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2399 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2398 attached
 <unfinished ...>
[pid  2399] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2398] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2397] <... clone3 resumed> => {parent_tid=[2399]}, 88) = 2399
[pid  2396] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2395] <... clone3 resumed> => {parent_tid=[2398]}, 88) = 2398
[pid  2399] <... set_robust_list resumed>) = 0
[pid  2398] <... set_robust_list resumed>) = 0
[pid  2397] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2396] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2395] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2399] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2398] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2397] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2399] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2398] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2397] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2399] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2398] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2397] <... futex resumed>)        = 0
[pid  2399] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2397] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2396] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2395] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2399] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2397] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2399] <... futex resumed>)        = 0
[pid  2397] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2400 attached
 <unfinished ...>
[pid  2399] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2397] <... futex resumed>)        = 0
[pid  2395] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2400] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2399] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2397] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2400] <... set_robust_list resumed>) = 0
[pid  2398] <... futex resumed>)        = 0
[pid  2395] <... futex resumed>)        = 1
[pid  2400] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2399] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2395] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2400] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2399] <... futex resumed>)        = 1
[pid  2398] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2397] <... futex resumed>)        = 0
[pid  2400] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2399] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2398] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2397] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2396] <... clone3 resumed> => {parent_tid=[2400]}, 88) = 2400
[pid  2398] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2396] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2398] <... futex resumed>)        = 1
[pid  2396] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2395] <... futex resumed>)        = 0
[pid  2399] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2397] <... futex resumed>)        = 0
[pid  2399] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2398] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2397] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2396] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2395] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2399] <... openat resumed>)       = 3
[pid  2396] <... futex resumed>)        = 1
[pid  2395] <... futex resumed>)        = 0
[pid  2400] <... futex resumed>)        = 0
[pid  2399] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2400] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2399] <... futex resumed>)        = 1
[pid  2398] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2397] <... futex resumed>)        = 0
[pid  2396] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2395] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2400] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2399] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2398] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2397] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2400] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2399] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2398] <... futex resumed>)        = 0
[pid  2397] <... futex resumed>)        = 0
[pid  2395] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2400] <... futex resumed>)        = 1
[pid  2399] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2398] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2397] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2396] <... futex resumed>)        = 0
[pid  2395] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2400] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2399] <... write resumed>)        = 2
[pid  2398] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2396] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2395] <... futex resumed>)        = 0
[pid  2400] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2399] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2398] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2396] <... futex resumed>)        = 0
[pid  2395] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2400] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2399] <... futex resumed>)        = 1
[pid  2397] <... futex resumed>)        = 0
[pid  2400] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2399] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2398] <... openat resumed>)       = 3
[pid  2397] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2396] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2400] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2399] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2397] <... futex resumed>)        = 0
[pid  2400] <... futex resumed>)        = 0
[pid  2399] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2398] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2397] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2396] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2400] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2399] <... openat resumed>)       = 4
[pid  2396] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2400] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2395] <... futex resumed>)        = 0
[pid  2400] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2399] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2400] <... openat resumed>)       = 3
[pid  2398] <... futex resumed>)        = 1
[pid  2396] <... futex resumed>)        = 0
[pid  2395] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2400] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2399] <... futex resumed>)        = 1
[pid  2398] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2397] <... futex resumed>)        = 0
[pid  2396] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2395] <... futex resumed>)        = 0
[pid  2400] <... futex resumed>)        = 0
[pid  2399] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2398] <... write resumed>)        = 2
[pid  2397] exit_group(0 <unfinished ...>
[pid  2396] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2395] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2400] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2399] <... futex resumed>)        = ?
[pid  2398] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2397] <... exit_group resumed>)   = ?
[pid  2396] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2400] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2399] +++ exited with 0 +++
[pid  2398] <... futex resumed>)        = 1
[pid  2397] +++ exited with 0 +++
[pid  2396] <... futex resumed>)        = 0
[pid  2395] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2400] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2398] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2396] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2395] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2397, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2400] <... write resumed>)        = 2
[pid  2398] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2395] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2401 attached
[pid  2400] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2398] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2395] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2400] <... futex resumed>)        = 1
[pid  2401] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2400] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2396] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2401
[pid  2398] <... openat resumed>)       = 4
[pid  2396] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2400] <... futex resumed>)        = 0
[pid  2396] <... futex resumed>)        = 1
[pid  2400] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2396] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2400] <... openat resumed>)       = 4
[pid  2400] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2396] <... futex resumed>)        = 0
[pid  2400] <... futex resumed>)        = 1
[pid  2396] exit_group(0 <unfinished ...>
[pid  2400] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid  2396] <... exit_group resumed>)   = ?
[pid  2400] +++ exited with 0 +++
[pid  2401] <... set_robust_list resumed>) = 0
[pid  2398] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2395] <... futex resumed>)        = 0
[pid  2401] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2398] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2401] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2395] exit_group(0 <unfinished ...>
[pid  2401] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2398] <... futex resumed>)        = ?
[pid  2396] +++ exited with 0 +++
[pid  2395] <... exit_group resumed>)   = ?
[pid  2401] <... prctl resumed>)        = 0
[pid  2398] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2396, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2401] setpgid(0, 0)               = 0
[pid  2401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2395] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2395, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2401] write(3, "1000", 4)         = 4
[pid  2401] close(3)                    = 0
[pid  2401] write(1, "executing program\n", 18) = 18
[pid  2401] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2401] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2401] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2401] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2401] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
executing program
[pid  2401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} => {parent_tid=[2402]}, 88) = 2402
ci2-android-6-12-rust/strace-static-x86_64: Process 2402 attached
[pid  2401] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2402] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2401] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2402] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2401] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2402] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2401] <... futex resumed>)        = 0
[pid  2402] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2401] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2402] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2402] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2401] <... futex resumed>)        = 0
[pid  2402] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2401] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2402] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2401] <... futex resumed>)        = 0
[pid  2402] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2401] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2402] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2402] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2401] <... futex resumed>)        = 0
[pid  2402] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2401] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2402] <... openat resumed>)       = 3
[pid  2401] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2402] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2401] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2402] <... futex resumed>)        = 0
[pid  2402] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 2403 attached
 <unfinished ...>
[pid  2401] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2403] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2401] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2403
[pid  2403] <... set_robust_list resumed>) = 0
[pid  2401] <... futex resumed>)        = 0
[pid  2403] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2402] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2401] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2403] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2402] write(3, "\x38\x00", 2 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2403] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2402] <... write resumed>)        = 2
[pid  2402] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2402] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2403] <... prctl resumed>)        = 0
[pid  2401] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2403] setpgid(0, 0 <unfinished ...>
[pid  2401] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2403] <... setpgid resumed>)      = 0
[pid  2402] <... futex resumed>)        = 0
[pid  2401] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 2404 attached
[pid  2402] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2404] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2401] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2404] <... set_robust_list resumed>) = 0
[pid  2404] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2402] <... openat resumed>)       = 4
[pid  2403] <... openat resumed>)       = 3
[pid  2402] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2404
[pid  2404] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2403] write(3, "1000", 4 <unfinished ...>
[pid  2402] <... futex resumed>)        = 1
[pid  2401] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2404] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2402] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2403] <... write resumed>)        = 4
[pid  2401] exit_group(0 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2403] close(3 <unfinished ...>
[pid  2402] <... futex resumed>)        = ?
[pid  2401] <... exit_group resumed>)   = ?
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2404] <... prctl resumed>)        = 0
[pid  2403] <... close resumed>)        = 0
[pid  2402] +++ exited with 0 +++
[pid  2401] +++ exited with 0 +++
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2405 attached
 <unfinished ...>
[pid  2404] setpgid(0, 0 <unfinished ...>
[pid  2403] write(1, "executing program\n", 18 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2401, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2404] <... setpgid resumed>)      = 0
[pid  2403] <... write resumed>)        = 18
[pid  2405] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2403] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2405
[pid  2405] <... set_robust_list resumed>) = 0
[pid  2404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2403] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
executing program
[pid  2405] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2403] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2405] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2403] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2404] <... openat resumed>)       = 3
[pid  2404] write(3, "1000", 4)         = 4
[pid  2403] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2405] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2404] close(3 <unfinished ...>
[pid  2405] <... prctl resumed>)        = 0
[pid  2404] <... close resumed>)        = 0
[pid  2403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2405] setpgid(0, 0 <unfinished ...>
[pid  2404] write(1, "executing program\n", 18) = 18
[pid  2403] <... mmap resumed>)         = 0x7fb4de009000
[pid  2405] <... setpgid resumed>)      = 0
[pid  2403] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2404] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2404] <... futex resumed>)        = 0
[pid  2403] <... mprotect resumed>)     = 0
[pid  2404] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2403] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
executing program
[pid  2404] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2405] <... openat resumed>)       = 3
[pid  2404] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2404] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2404] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2404] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2406 attached
 <unfinished ...>
[pid  2406] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2404] <... clone3 resumed> => {parent_tid=[2406]}, 88) = 2406
[pid  2406] <... set_robust_list resumed>) = 0
[pid  2404] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2406] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2404] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2406] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2404] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2406] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2404] <... futex resumed>)        = 0
[pid  2406] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2404] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2406] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2404] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2406] <... futex resumed>)        = 0
[pid  2404] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2406] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2404] <... futex resumed>)        = 0
[pid  2406] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2404] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2406] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2404] <... futex resumed>)        = 0
[pid  2404] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2406] <... futex resumed>)        = 1
[pid  2404] <... futex resumed>)        = 0
[pid  2406] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  2404] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2406] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2404] <... futex resumed>)        = 0
[pid  2406] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2404] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2406] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2404] <... futex resumed>)        = 0
[pid  2406] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2404] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2406] <... write resumed>)        = 2
[pid  2406] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2404] <... futex resumed>)        = 0
[pid  2406] <... futex resumed>)        = 1
[pid  2404] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2406] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2404] <... futex resumed>)        = 0
[pid  2406] <... openat resumed>)       = 4
[pid  2405] write(3, "1000", 4 <unfinished ...>
[pid  2404] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2403] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2405] <... write resumed>)        = 4
[pid  2403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2405] close(3 <unfinished ...>
[pid  2406] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2407 attached
) = 1
[pid  2405] <... close resumed>)        = 0
[pid  2404] <... futex resumed>)        = 0
[pid  2407] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2406] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2405] write(1, "executing program\n", 18 <unfinished ...>
[pid  2404] exit_group(0 <unfinished ...>
executing program
[pid  2403] <... clone3 resumed> => {parent_tid=[2407]}, 88) = 2407
[pid  2405] <... write resumed>)        = 18
[pid  2407] <... set_robust_list resumed>) = 0
[pid  2406] <... futex resumed>)        = ?
[pid  2404] <... exit_group resumed>)   = ?
[pid  2407] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2406] +++ exited with 0 +++
[pid  2405] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2404] +++ exited with 0 +++
[pid  2403] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2407] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2405] <... futex resumed>)        = 0
[pid  2407] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2405] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2403] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2405] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2403] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2404, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2407] <... futex resumed>)        = 0
[pid  2405] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2407] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2405] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2403] <... futex resumed>)        = 1
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2403] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2407] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2405] <... mmap resumed>)         = 0x7fb4de009000
[pid  2407] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2405] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2403] <... futex resumed>)        = 0
[pid  2407] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2405] <... mprotect resumed>)     = 0
[pid  2403] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2407] <... futex resumed>)        = 0
[pid  2405] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2403] <... futex resumed>)        = 1
[pid  2407] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2403] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2407] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2405] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2405] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2407] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2408 attached
) = 1
[pid  2407] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2405] <... clone3 resumed> => {parent_tid=[2408]}, 88) = 2408
[pid  2405] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2403] <... futex resumed>)        = 0
[pid  2408] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2405] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2403] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2408] <... set_robust_list resumed>) = 0
[pid  2405] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2408] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2403] <... futex resumed>)        = 1
[pid  2407] <... futex resumed>)        = 0
[pid  2405] <... futex resumed>)        = 0
[pid  2407] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2408] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2405] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2403] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2408] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2407] <... openat resumed>)       = 3
[pid  2407] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2403] <... futex resumed>)        = 0
[pid  2408] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2403] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2408] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2403] <... futex resumed>)        = 0
[pid  2408] <... futex resumed>)        = 1
[pid  2407] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2405] <... futex resumed>)        = 0
[pid  2403] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2408] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2407] <... write resumed>)        = 2
[pid  2405] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2407] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2405] <... futex resumed>)        = 0
[pid  2407] <... futex resumed>)        = 1
[pid  2405] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2407] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2403] <... futex resumed>)        = 0
[pid  2408] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2403] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2408] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2407] <... futex resumed>)        = 0
[pid  2403] <... futex resumed>)        = 1
[pid  2407] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2403] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2408] <... futex resumed>)        = 1
[pid  2405] <... futex resumed>)        = 0
[pid  2408] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2407] <... openat resumed>)       = 4
[pid  2405] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2408] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2407] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2405] <... futex resumed>)        = 0
[pid  2408] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2407] <... futex resumed>)        = 1
[pid  2405] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2403] <... futex resumed>)        = 0
[pid  2408] <... openat resumed>)       = 3
[pid  2407] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2408] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2405] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2408] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2405] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2403] exit_group(0 <unfinished ...>
[pid  2408] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2405] <... futex resumed>)        = 0
[pid  2408] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2405] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2408] <... write resumed>)        = 2
[pid  2408] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2405] <... futex resumed>)        = 0
[pid  2408] <... futex resumed>)        = 1
[pid  2405] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2409 attached
 <unfinished ...>
[pid  2408] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2407] <... futex resumed>)        = ?
[pid  2405] <... futex resumed>)        = 0
[pid  2403] <... exit_group resumed>)   = ?
[pid  2407] +++ exited with 0 +++
[pid  2409] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2408] <... openat resumed>)       = 4
[pid  2405] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2409] <... set_robust_list resumed>) = 0
[pid  2409] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2408] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2405] <... futex resumed>)        = 0
[pid  2408] <... futex resumed>)        = 1
[pid  2405] exit_group(0 <unfinished ...>
[pid  2409] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2405] <... exit_group resumed>)   = ?
[pid  2403] +++ exited with 0 +++
[pid  2409] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2408] +++ exited with 0 +++
[pid  2405] +++ exited with 0 +++
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2409
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2403, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2409] <... prctl resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2405, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2409] setpgid(0, 0 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2409] <... setpgid resumed>)      = 0
[pid  2409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 2410 attached
[pid  2410] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2409] write(3, "1000", 4 <unfinished ...>
[pid  2410] <... set_robust_list resumed>) = 0
[pid  2409] <... write resumed>)        = 4
[pid  2410] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2410
[pid  2409] close(3 <unfinished ...>
[pid  2410] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2409] <... close resumed>)        = 0
[pid  2410] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2409] write(1, "executing program\n", 18 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2410] <... prctl resumed>)        = 0
[pid  2409] <... write resumed>)        = 18
executing program
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2410] setpgid(0, 0 <unfinished ...>
[pid  2409] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2410] <... setpgid resumed>)      = 0
[pid  2410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2409] <... futex resumed>)        = 0
[pid  2409] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2410] <... openat resumed>)       = 3
[pid  2409] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2409] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2410] write(3, "1000", 4 <unfinished ...>
[pid  2409] <... mmap resumed>)         = 0x7fb4de009000
[pid  2410] <... write resumed>)        = 4
[pid  2410] close(3)                    = 0
[pid  2409] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2410] write(1, "executing program\n", 18 <unfinished ...>
[pid  2409] <... mprotect resumed>)     = 0
[pid  2410] <... write resumed>)        = 18
executing program
[pid  2410] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2409] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2410] <... futex resumed>)        = 0
[pid  2410] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2409] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2410] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2409] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2411 attached
 <unfinished ...>
[pid  2410] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2410] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2409] <... clone3 resumed> => {parent_tid=[2411]}, 88) = 2411
[pid  2411] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2410] <... mprotect resumed>)     = 0
[pid  2409] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2411] <... set_robust_list resumed>) = 0
[pid  2411] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2410] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2409] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2411] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2410] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2409] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2411] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2409] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2412 attached
[pid  2411] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2409] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2412] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2411] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2410] <... clone3 resumed> => {parent_tid=[2412]}, 88) = 2412
[pid  2409] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2410] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2409] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2410] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2410] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2409] <... futex resumed>)        = 0
[pid  2410] <... futex resumed>)        = 0
[pid  2409] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2412] <... set_robust_list resumed>) = 0
[pid  2411] <... futex resumed>)        = 1
[pid  2410] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2409] <... futex resumed>)        = 0
[pid  2412] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2411] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2412] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  2409] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2412] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2411] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2411] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2409] <... futex resumed>)        = 0
[pid  2412] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2409] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2412] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2409] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2410] <... futex resumed>)        = 0
[pid  2409] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2412] <... futex resumed>)        = 1
[pid  2410] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2411] <... futex resumed>)        = 1
[pid  2411] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLYci2-android-6-12-rust/strace-static-x86_64: Process 2413 attached
 <unfinished ...>
[pid  2412] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2411] <... openat resumed>)       = 3
[pid  2410] <... futex resumed>)        = 0
[pid  2411] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2412] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2411] <... futex resumed>)        = 1
[pid  2410] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2409] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2413
[pid  2413] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2411] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2409] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2413] <... set_robust_list resumed>) = 0
[pid  2412] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2411] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2409] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2413] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2412] <... futex resumed>)        = 1
[pid  2411] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2410] <... futex resumed>)        = 0
[pid  2409] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2411] <... write resumed>)        = 2
[pid  2411] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2410] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2412] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2413] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2411] <... futex resumed>)        = 1
[pid  2410] <... futex resumed>)        = 0
[pid  2409] <... futex resumed>)        = 0
[pid  2412] <... openat resumed>)       = 3
[pid  2411] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2410] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2409] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2413] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2412] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2411] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2410] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2409] <... futex resumed>)        = 0
[pid  2413] <... prctl resumed>)        = 0
[pid  2412] <... futex resumed>)        = 0
[pid  2411] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2409] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2413] setpgid(0, 0 <unfinished ...>
[pid  2412] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2411] <... openat resumed>)       = 4
[pid  2410] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2413] <... setpgid resumed>)      = 0
[pid  2412] <... write resumed>)        = 2
[pid  2411] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2410] <... futex resumed>)        = 0
[pid  2411] <... futex resumed>)        = 1
[pid  2409] <... futex resumed>)        = 0
[pid  2410] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2412] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2412] <... futex resumed>)        = 0
[pid  2411] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2410] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2409] exit_group(0 <unfinished ...>
[pid  2412] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2411] <... futex resumed>)        = ?
[pid  2410] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2409] <... exit_group resumed>)   = ?
[pid  2413] <... openat resumed>)       = 3
[pid  2412] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2411] +++ exited with 0 +++
[pid  2410] <... futex resumed>)        = 0
[pid  2409] +++ exited with 0 +++
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2413] write(3, "1000", 4 <unfinished ...>
[pid  2412] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2410] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2412] <... openat resumed>)       = 4
[pid  2413] <... write resumed>)        = 4
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2409, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 2414 attached
[pid  2413] close(3 <unfinished ...>
[pid  2412] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2413] <... close resumed>)        = 0
[pid  2410] <... futex resumed>)        = 0
[pid  2412] <... futex resumed>)        = 1
[pid   313] <... restart_syscall resumed>) = 0
[pid  2414] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2413] write(1, "executing program\n", 18 <unfinished ...>
[pid  2412] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2410] exit_group(0 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2414
[pid  2414] <... set_robust_list resumed>) = 0
[pid  2413] <... write resumed>)        = 18
[pid  2412] <... futex resumed>)        = ?
[pid  2410] <... exit_group resumed>)   = ?
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2414] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2412] +++ exited with 0 +++
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2414] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2414] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2414] setpgid(0, 0)               = 0
[pid  2414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2410] +++ exited with 0 +++
[pid  2414] <... openat resumed>)       = 3
[pid  2413] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2410, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2414] write(3, "1000", 4)         = 4
[pid  2414] close(3)                    = 0
[pid  2414] write(1, "executing program\n", 18 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2414] <... write resumed>)        = 18
executing program
[pid  2414] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2413] <... futex resumed>)        = 0
[pid  2414] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  2413] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2414] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2413] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2414] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2414] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2414] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2414] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITEci2-android-6-12-rust/strace-static-x86_64: Process 2415 attached
) = 0
[pid  2413] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2413] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2413] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2415
[pid  2415] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2414] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2415] <... set_robust_list resumed>) = 0
[pid  2414] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2416 attached
[pid  2415] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2414] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2417 attached
 <unfinished ...>
[pid  2415] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2413] <... mprotect resumed>)     = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2417] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2416] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2415] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2414] <... clone3 resumed> => {parent_tid=[2417]}, 88) = 2417
[pid  2417] <... set_robust_list resumed>) = 0
[pid  2417] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2415] <... prctl resumed>)        = 0
[pid  2417] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2416] <... set_robust_list resumed>) = 0
[pid  2415] setpgid(0, 0 <unfinished ...>
[pid  2417] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2415] <... setpgid resumed>)      = 0
[pid  2414] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2416
[pid  2414] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2416] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2414] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2415] <... openat resumed>)       = 3
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2417] <... futex resumed>)        = 0
[pid  2414] <... futex resumed>)        = 1
[pid  2417] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2416] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2414] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2417] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2415] write(3, "1000", 4 <unfinished ...>
[pid  2417] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2416] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2415] <... write resumed>)        = 4
[pid  2417] <... futex resumed>)        = 1
[pid  2415] close(3 <unfinished ...>
[pid  2414] <... futex resumed>)        = 0
[pid  2413] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2416] <... prctl resumed>)        = 0
[pid  2417] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2415] <... close resumed>)        = 0
[pid  2416] setpgid(0, 0 <unfinished ...>
[pid  2414] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2413] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2417] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2416] <... setpgid resumed>)      = 0
executing program
[pid  2415] write(1, "executing program\n", 18 <unfinished ...>
[pid  2414] <... futex resumed>)        = 0
[pid  2413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2417] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2415] <... write resumed>)        = 18
ci2-android-6-12-rust/strace-static-x86_64: Process 2418 attached
[pid  2417] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2415] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2414] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2418] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2417] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2415] <... futex resumed>)        = 0
[pid  2418] <... set_robust_list resumed>) = 0
[pid  2417] <... futex resumed>)        = 0
[pid  2415] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2418] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2417] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2415] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2418] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2418] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2415] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2415] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2415] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2416] <... openat resumed>)       = 3
[pid  2414] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2413] <... clone3 resumed> => {parent_tid=[2418]}, 88) = 2418
[pid  2416] write(3, "1000", 4 <unfinished ...>
[pid  2414] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2413] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2416] <... write resumed>)        = 4
[pid  2414] <... futex resumed>)        = 1
[pid  2413] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2416] close(3 <unfinished ...>
[pid  2414] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2413] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2417] <... futex resumed>)        = 0
[pid  2415] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2418] <... futex resumed>)        = 0
[pid  2417] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2413] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 2419 attached
[pid  2418] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2417] <... openat resumed>)       = 3
[pid  2416] <... close resumed>)        = 0
[pid  2413] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2419] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2418] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2417] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2416] write(1, "executing program\n", 18 <unfinished ...>
[pid  2415] <... clone3 resumed> => {parent_tid=[2419]}, 88) = 2419
executing program
[pid  2419] <... set_robust_list resumed>) = 0
[pid  2418] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2417] <... futex resumed>)        = 1
[pid  2416] <... write resumed>)        = 18
[pid  2415] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2414] <... futex resumed>)        = 0
[pid  2418] <... futex resumed>)        = 1
[pid  2417] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2416] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2415] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2414] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2419] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2413] <... futex resumed>)        = 0
[pid  2419] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2418] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2417] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2416] <... futex resumed>)        = 0
[pid  2415] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2414] <... futex resumed>)        = 0
[pid  2413] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2419] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2418] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2417] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2416] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2415] <... futex resumed>)        = 0
[pid  2414] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2413] <... futex resumed>)        = 0
[pid  2419] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2418] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2417] <... write resumed>)        = 2
[pid  2415] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2419] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2418] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2417] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2416] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2415] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2413] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2419] <... futex resumed>)        = 0
[pid  2417] <... futex resumed>)        = 1
[pid  2416] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2414] <... futex resumed>)        = 0
[pid  2419] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2418] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2417] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2416] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2415] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2414] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2413] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2419] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2418] <... futex resumed>)        = 0
[pid  2417] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2415] <... futex resumed>)        = 0
[pid  2414] <... futex resumed>)        = 0
[pid  2419] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2418] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2417] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2416] <... mmap resumed>)         = 0x7fb4de009000
[pid  2415] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2414] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2413] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2419] <... futex resumed>)        = 0
[pid  2418] <... openat resumed>)       = 3
[pid  2417] <... openat resumed>)       = 4
[pid  2415] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2419] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2416] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2413] <... futex resumed>)        = 0
[pid  2418] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2417] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2416] <... mprotect resumed>)     = 0
[pid  2415] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2413] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2419] <... futex resumed>)        = 0
[pid  2418] <... futex resumed>)        = 0
[pid  2417] <... futex resumed>)        = 1
[pid  2415] <... futex resumed>)        = 1
[pid  2414] <... futex resumed>)        = 0
[pid  2413] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2419] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2418] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2417] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2416] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2415] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2414] exit_group(0 <unfinished ...>
[pid  2413] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2419] <... openat resumed>)       = 3
[pid  2418] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2417] <... futex resumed>)        = ?
[pid  2416] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2414] <... exit_group resumed>)   = ?
[pid  2413] <... futex resumed>)        = 0
[pid  2419] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2418] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2417] +++ exited with 0 +++
[pid  2416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2414] +++ exited with 0 +++
[pid  2413] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2420 attached
 <unfinished ...>
[pid  2419] <... futex resumed>)        = 1
[pid  2418] <... write resumed>)        = 2
[pid  2415] <... futex resumed>)        = 0
[pid  2420] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2416] <... clone3 resumed> => {parent_tid=[2420]}, 88) = 2420
[pid  2420] <... set_robust_list resumed>) = 0
[pid  2415] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2420] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2416] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2415] <... futex resumed>)        = 0
[pid  2420] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2416] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2415] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2420] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2416] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2420] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2416] <... futex resumed>)        = 0
[pid  2420] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2419] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2418] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2416] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2414, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2419] <... write resumed>)        = 2
[pid  2418] <... futex resumed>)        = 1
[pid  2413] <... futex resumed>)        = 0
[pid  2419] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2418] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2413] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2419] <... futex resumed>)        = 1
[pid  2418] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2413] <... futex resumed>)        = 0
[pid  2419] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2418] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2413] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2420] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2418] <... openat resumed>)       = 4
[pid  2415] <... futex resumed>)        = 0
[pid  2420] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2418] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2415] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2420] <... futex resumed>)        = 1
[pid  2419] <... futex resumed>)        = 0
[pid  2418] <... futex resumed>)        = 1
[pid  2416] <... futex resumed>)        = 0
[pid  2415] <... futex resumed>)        = 1
[pid  2413] <... futex resumed>)        = 0
[pid  2420] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2419] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2418] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2416] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2415] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2420] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2419] <... openat resumed>)       = 4
[pid  2416] <... futex resumed>)        = 0
[pid  2413] exit_group(0 <unfinished ...>
[pid  2420] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2419] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2418] <... futex resumed>)        = ?
[pid  2416] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2413] <... exit_group resumed>)   = ?
[pid  2420] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2419] <... futex resumed>)        = 1
[pid  2418] +++ exited with 0 +++
[pid  2415] <... futex resumed>)        = 0
[pid  2420] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2419] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2415] exit_group(0 <unfinished ...>
[pid  2420] <... futex resumed>)        = 1
[pid  2419] <... futex resumed>)        = ?
[pid  2416] <... futex resumed>)        = 0
[pid  2415] <... exit_group resumed>)   = ?
[pid  2420] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2419] +++ exited with 0 +++
[pid  2416] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2415] +++ exited with 0 +++
[pid  2413] +++ exited with 0 +++
[pid  2420] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2416] <... futex resumed>)        = 0
[pid  2420] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2413, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2415, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2416] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2420] <... openat resumed>)       = 3
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2420] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2416] <... futex resumed>)        = 0
[pid  2420] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2416] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2420] <... futex resumed>)        = 0
[pid  2416] <... futex resumed>)        = 1
[pid  2420] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2416] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2420] <... write resumed>)        = 2
[pid  2420] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2416] <... futex resumed>)        = 0
[pid  2420] <... futex resumed>)        = 1
[pid  2416] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2420] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2416] <... futex resumed>)        = 0
[pid  2420] <... openat resumed>)       = 4
[pid  2416] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2420] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2416] <... futex resumed>)        = 0
[pid  2420] <... futex resumed>)        = 1
[pid  2416] exit_group(0 <unfinished ...>
[pid  2420] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid  2416] <... exit_group resumed>)   = ?
[pid  2420] +++ exited with 0 +++
[pid  2416] +++ exited with 0 +++
[pid   314] <... restart_syscall resumed>) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2416, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557716c690) = 2421
ci2-android-6-12-rust/strace-static-x86_64: Process 2421 attached
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2421] set_robust_list(0x55557716c6a0, 24) = 0
[pid  2421] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2421] setpgid(0, 0)               = 0
[pid  2421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2421] write(3, "1000", 4)         = 4
[pid  2421] close(3)                    = 0
[pid  2421] write(1, "executing program\n", 18) = 18
executing program
[pid  2421] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2421] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2421] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2421] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2421] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2421] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2421] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2422 attached
 <unfinished ...>
[pid  2422] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2421] <... clone3 resumed> => {parent_tid=[2422]}, 88) = 2422
[pid  2422] <... set_robust_list resumed>) = 0
[pid  2421] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2422] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2421] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2422] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2421] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2422] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2421] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2422] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2421] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2422] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2422] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 2423 attached
 <unfinished ...>
[pid  2421] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2423] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2423
[pid  2421] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2423] <... set_robust_list resumed>) = 0
[pid  2422] <... futex resumed>)        = 0
[pid  2421] <... futex resumed>)        = 1
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2423] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2422] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2421] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2423] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2423] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2423] <... prctl resumed>)        = 0
[pid  2422] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2423] setpgid(0, 0 <unfinished ...>
[pid  2422] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2423] <... setpgid resumed>)      = 0
[pid  2422] <... futex resumed>)        = 1
[pid  2421] <... futex resumed>)        = 0
[pid  2421] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2422] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2421] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2422] <... openat resumed>)       = 3
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2423] <... openat resumed>)       = 3
[pid  2422] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2421] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2424 attached
 <unfinished ...>
[pid  2422] <... futex resumed>)        = 0
[pid  2421] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2422] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2424] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2422] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2421] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2424
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2423] write(3, "1000", 4)         = 4
[pid  2423] close(3)                    = 0
[pid  2423] write(1, "executing program\n", 18) = 18
executing program
[pid  2423] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2424] <... set_robust_list resumed>) = 0
[pid  2422] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2421] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2425 attached
[pid  2423] <... futex resumed>)        = 0
[pid  2425] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2423] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2425] <... set_robust_list resumed>) = 0
[pid  2423] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2425] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2423] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2425] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2425] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2423] <... mmap resumed>)         = 0x7fb4de009000
[pid  2425] <... prctl resumed>)        = 0
[pid  2423] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2425] setpgid(0, 0)               = 0
[pid  2423] <... mprotect resumed>)     = 0
[pid  2425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2423] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2421] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2425] <... openat resumed>)       = 3
[pid  2424] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2423] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2422] <... write resumed>)        = 2
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2425
[pid  2424] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2422] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2425] write(3, "1000", 4 <unfinished ...>
[pid  2423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2426 attached
 <unfinished ...>
[pid  2425] <... write resumed>)        = 4
[pid  2424] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2422] <... futex resumed>)        = 1
[pid  2421] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2425] close(3 <unfinished ...>
[pid  2422] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2421] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2426] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2425] <... close resumed>)        = 0
[pid  2423] <... clone3 resumed> => {parent_tid=[2426]}, 88) = 2426
[pid  2421] <... futex resumed>)        = 0
[pid  2426] <... set_robust_list resumed>) = 0
[pid  2425] write(1, "executing program\n", 18 <unfinished ...>
[pid  2423] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
executing program
[pid  2422] <... openat resumed>)       = 4
[pid  2421] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2426] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2425] <... write resumed>)        = 18
[pid  2424] <... prctl resumed>)        = 0
[pid  2423] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2422] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2421] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2426] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2425] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2423] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2421] exit_group(0 <unfinished ...>
[pid  2426] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2425] <... futex resumed>)        = 0
[pid  2423] <... futex resumed>)        = 0
[pid  2426] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2425] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2424] setpgid(0, 0 <unfinished ...>
[pid  2423] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2422] <... futex resumed>)        = ?
[pid  2421] <... exit_group resumed>)   = ?
[pid  2426] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2425] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2424] <... setpgid resumed>)      = 0
[pid  2423] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2426] <... futex resumed>)        = 0
[pid  2425] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2423] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2425] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2423] <... futex resumed>)        = 0
[pid  2425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2423] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2425] <... mmap resumed>)         = 0x7fb4de009000
[pid  2425] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2425] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2422] +++ exited with 0 +++
[pid  2421] +++ exited with 0 +++
[pid  2426] mount(NULL, "./tracefs_dir", "tracefs", 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 2427 attached
 <unfinished ...>
[pid  2424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2427] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2426] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2425] <... clone3 resumed> => {parent_tid=[2427]}, 88) = 2427
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2421, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2427] <... set_robust_list resumed>) = 0
[pid  2426] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2425] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2427] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2426] <... futex resumed>)        = 1
[pid  2425] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2424] <... openat resumed>)       = 3
[pid  2423] <... futex resumed>)        = 0
[pid  2427] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2426] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2425] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2424] write(3, "1000", 4 <unfinished ...>
[pid  2423] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2427] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2426] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2425] <... futex resumed>)        = 0
[pid  2427] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2426] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2424] <... write resumed>)        = 4
[pid  2423] <... futex resumed>)        = 0
[pid  2426] <... openat resumed>)       = 3
[pid  2424] close(3 <unfinished ...>
[pid  2426] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2424] <... close resumed>)        = 0
[pid  2426] <... futex resumed>)        = 0
[pid  2424] write(1, "executing program\n", 18 <unfinished ...>
[pid  2426] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2424] <... write resumed>)        = 18
[pid  2427] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2425] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2424] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  2423] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2427] <... futex resumed>)        = 0
[pid  2425] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2424] <... futex resumed>)        = 0
[pid  2423] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2427] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2425] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2423] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2427] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2426] <... futex resumed>)        = 0
[pid  2425] <... futex resumed>)        = 0
[pid  2424] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2423] <... futex resumed>)        = 1
[pid  2427] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2426] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2425] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2424] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2423] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2427] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2426] <... write resumed>)        = 2
[pid  2424] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2427] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2426] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2424] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2427] <... futex resumed>)        = 1
[pid  2425] <... futex resumed>)        = 0
[pid  2427] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2426] <... futex resumed>)        = 1
[pid  2425] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2423] <... futex resumed>)        = 0
[pid  2427] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2426] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2425] <... futex resumed>)        = 0
[pid  2423] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2427] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2426] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2425] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2424] <... mmap resumed>)         = 0x7fb4de009000
[pid  2423] <... futex resumed>)        = 0
[pid  2427] <... openat resumed>)       = 3
[pid  2426] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2424] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2423] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2427] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2425] <... futex resumed>)        = 0
[pid  2427] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2426] <... openat resumed>)       = 4
[pid  2425] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2427] <... write resumed>)        = 2
[pid  2425] <... futex resumed>)        = 0
[pid  2424] <... mprotect resumed>)     = 0
[pid  2427] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2425] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2427] <... futex resumed>)        = 0
[pid  2425] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2424] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2427] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2425] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2427] <... openat resumed>)       = 4
[pid  2425] <... futex resumed>)        = 0
[pid  2425] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2427] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2425] <... futex resumed>)        = 0
[pid  2427] <... futex resumed>)        = 1
[pid  2425] exit_group(0 <unfinished ...>
[pid  2427] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2426] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2424] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2427] <... futex resumed>)        = ?
[pid  2426] <... futex resumed>)        = 1
[pid  2425] <... exit_group resumed>)   = ?
[pid  2424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2423] <... futex resumed>)        = 0
[pid  2427] +++ exited with 0 +++
[pid  2426] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2425] +++ exited with 0 +++
[pid  2423] exit_group(0 <unfinished ...>
[pid  2424] <... clone3 resumed> => {parent_tid=[2428]}, 88) = 2428
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2425, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2424] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2424] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2428 attached
[pid  2424] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2426] <... futex resumed>)        = ?
[pid  2423] <... exit_group resumed>)   = ?
[pid  2428] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2426] +++ exited with 0 +++
[pid  2424] <... futex resumed>)        = 0
[pid  2423] +++ exited with 0 +++
[pid  2428] <... set_robust_list resumed>) = 0
[pid  2428] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2424] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2428] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2428] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2423, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2428] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2428] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2428] <... futex resumed>)        = 1
[pid  2428] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2424] <... futex resumed>)        = 0
[pid  2424] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2428] <... futex resumed>)        = 0
[pid  2424] <... futex resumed>)        = 1
[pid  2428] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2424] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2428] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   313] <... restart_syscall resumed>) = 0
[pid  2428] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2424] <... futex resumed>)        = 0
[pid  2428] <... futex resumed>)        = 1
[pid  2424] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2428] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2424] <... futex resumed>)        = 0
[pid  2424] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2428] <... openat resumed>)       = 3
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2428] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2428] <... futex resumed>)        = 1
[pid  2424] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2428] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2424] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2429 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2430 attached
 <unfinished ...>
[pid  2428] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2424] <... futex resumed>)        = 0
[pid  2428] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2424] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2429
[pid  2428] <... write resumed>)        = 2
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2430
[pid  2430] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2429] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2428] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2430] <... set_robust_list resumed>) = 0
[pid  2429] <... set_robust_list resumed>) = 0
[pid  2428] <... futex resumed>)        = 1
[pid  2424] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2428] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2424] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2429] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2428] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2424] <... futex resumed>)        = 0
[pid  2430] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2429] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2428] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2424] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2430] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2430] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2428] <... openat resumed>)       = 4
[pid  2429] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2428] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2429] <... prctl resumed>)        = 0
[pid  2428] <... futex resumed>)        = 1
[pid  2429] setpgid(0, 0 <unfinished ...>
[pid  2424] <... futex resumed>)        = 0
[pid  2428] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2430] <... prctl resumed>)        = 0
[pid  2424] exit_group(0 <unfinished ...>
[pid  2430] setpgid(0, 0 <unfinished ...>
[pid  2429] <... setpgid resumed>)      = 0
[pid  2430] <... setpgid resumed>)      = 0
[pid  2424] <... exit_group resumed>)   = ?
[pid  2428] <... futex resumed>)        = ?
[pid  2430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2430] <... openat resumed>)       = 3
[pid  2430] write(3, "1000", 4)         = 4
[pid  2430] close(3)                    = 0
[pid  2430] write(1, "executing program\n", 18) = 18
[pid  2430] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2430] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2428] +++ exited with 0 +++
[pid  2424] +++ exited with 0 +++
[pid  2430] <... rt_sigaction resumed>, NULL, 8) = 0
executing program
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2424, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2430] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2430] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2429] <... openat resumed>)       = 3
[pid  2430] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2429] write(3, "1000", 4 <unfinished ...>
[pid  2430] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2429] <... write resumed>)        = 4
[pid  2430] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2429] close(3)                    = 0
[pid  2430] <... clone3 resumed> => {parent_tid=[2431]}, 88) = 2431
[pid  2430] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2431 attached
 <unfinished ...>
[pid  2429] write(1, "executing program\n", 18 <unfinished ...>
[pid  2431] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2429] <... write resumed>)        = 18
[pid  2430] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2430] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid  2431] <... set_robust_list resumed>) = 0
[pid  2430] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2429] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2431] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2429] <... futex resumed>)        = 0
[pid  2431] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2429] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2431] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2429] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2431] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2429] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2431] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2431] <... futex resumed>)        = 1
[pid  2430] <... futex resumed>)        = 0
[pid  2431] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2430] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2429] <... mmap resumed>)         = 0x7fb4de009000
[pid  2431] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2430] <... futex resumed>)        = 0
[pid  2429] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2431] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2430] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2429] <... mprotect resumed>)     = 0
[pid  2431] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2429] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2431] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2430] <... futex resumed>)        = 0
[pid  2430] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2431] <... futex resumed>)        = 1
[pid  2430] <... futex resumed>)        = 0
[pid  2431] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2430] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2429] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2431] <... openat resumed>)       = 3
[pid  2429] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2431] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2430] <... futex resumed>)        = 0
[pid  2431] <... futex resumed>)        = 1
[pid  2430] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2431] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2430] <... futex resumed>)        = 0
[pid  2429] <... clone3 resumed> => {parent_tid=[2432]}, 88) = 2432
ci2-android-6-12-rust/strace-static-x86_64: Process 2432 attached
[pid  2431] <... write resumed>)        = 2
[pid  2430] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2429] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2432] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2431] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2430] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2432] <... set_robust_list resumed>) = 0
[pid  2431] <... futex resumed>)        = 0
[pid  2430] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2432] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2431] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2430] <... futex resumed>)        = 0
[pid  2432] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2431] <... openat resumed>)       = 4
[pid  2430] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2429] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2432] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2431] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2429] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2432] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2431] <... futex resumed>)        = 1
[pid  2430] <... futex resumed>)        = 0
[pid  2432] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2431] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2430] exit_group(0 <unfinished ...>
[pid  2429] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2429] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2432] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2431] <... futex resumed>)        = ?
[pid  2430] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 2433 attached
[pid  2432] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2431] +++ exited with 0 +++
[pid  2430] +++ exited with 0 +++
[pid  2429] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... restart_syscall resumed>) = 0
[pid  2429] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2433
[pid  2429] <... futex resumed>)        = 0
[pid  2432] <... futex resumed>)        = 0
[pid  2429] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2430, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2433] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2432] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2432] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2432] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2432] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2429] <... futex resumed>)        = 0
[pid  2433] <... set_robust_list resumed>) = 0
[pid  2429] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2433] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2429] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2432] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2432] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  2432] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2432] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 2434 attached
 <unfinished ...>
[pid  2433] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2429] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  2434] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2433] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2434
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2433] <... prctl resumed>)        = 0
[pid  2434] <... set_robust_list resumed>) = 0
[pid  2429] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2433] setpgid(0, 0 <unfinished ...>
[pid  2434] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2433] <... setpgid resumed>)      = 0
[pid  2432] <... futex resumed>)        = 0
[pid  2429] <... futex resumed>)        = 1
[pid  2434] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2432] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2429] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2433] <... openat resumed>)       = 3
[pid  2432] <... write resumed>)        = 2
[pid  2432] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2434] setpgid(0, 0 <unfinished ...>
[pid  2433] write(3, "1000", 4 <unfinished ...>
[pid  2432] <... futex resumed>)        = 1
[pid  2429] <... futex resumed>)        = 0
[pid  2434] <... setpgid resumed>)      = 0
[pid  2433] <... write resumed>)        = 4
[pid  2432] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2429] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2432] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2433] close(3 <unfinished ...>
[pid  2429] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2433] <... close resumed>)        = 0
[pid  2432] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2429] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2434] <... openat resumed>)       = 3
[pid  2433] write(1, "executing program\n", 18 <unfinished ...>
[pid  2432] <... openat resumed>)       = 4
executing program
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2434] write(3, "1000", 4 <unfinished ...>
[pid  2433] <... write resumed>)        = 18
[pid  2434] <... write resumed>)        = 4
[pid  2433] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2434] close(3 <unfinished ...>
[pid  2433] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2435 attached
[pid  2434] <... close resumed>)        = 0
[pid  2433] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2434] write(1, "executing program\n", 18 <unfinished ...>
[pid  2433] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2432] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2435
[pid  2432] <... futex resumed>)        = 1
[pid  2429] <... futex resumed>)        = 0
[pid  2432] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
executing program
[pid  2429] exit_group(0 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2435] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2434] <... write resumed>)        = 18
[pid  2433] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2432] <... futex resumed>)        = ?
[pid  2429] <... exit_group resumed>)   = ?
[pid  2434] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2433] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2435] <... set_robust_list resumed>) = 0
[pid  2432] +++ exited with 0 +++
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2434] <... futex resumed>)        = 0
[pid  2433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2435] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2434] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2435] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2434] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2433] <... mmap resumed>)         = 0x7fb4de009000
[pid  2435] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2434] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2433] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2429] +++ exited with 0 +++
[pid  2435] <... prctl resumed>)        = 0
[pid  2434] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2435] setpgid(0, 0 <unfinished ...>
[pid  2434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2433] <... mprotect resumed>)     = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2429, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2434] <... mmap resumed>)         = 0x7fb4de009000
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2435] <... setpgid resumed>)      = 0
[pid  2434] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2433] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2434] <... mprotect resumed>)     = 0
[pid  2434] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2433] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2434] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2435] <... openat resumed>)       = 3
[pid  2434] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2436 attached
 <unfinished ...>
[pid  2435] write(3, "1000", 4ci2-android-6-12-rust/strace-static-x86_64: Process 2437 attached
 <unfinished ...>
[pid  2436] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2433] <... clone3 resumed> => {parent_tid=[2436]}, 88) = 2436
[pid  2437] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2436] <... set_robust_list resumed>) = 0
[pid  2434] <... clone3 resumed> => {parent_tid=[2437]}, 88) = 2437
[pid  2433] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2437] <... set_robust_list resumed>) = 0
[pid  2436] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2434] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2433] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2437] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2436] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2434] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2433] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2437] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2436] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2434] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2433] <... futex resumed>)        = 0
[pid  2437] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2436] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2435] <... write resumed>)        = 4
[pid  2434] <... futex resumed>)        = 0
[pid  2433] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2435] close(3)                    = 0
executing program
[pid  2435] write(1, "executing program\n", 18) = 18
[pid  2435] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2435] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2435] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2435] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2435] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2438 attached
 <unfinished ...>
[pid  2434] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2436] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2438] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2437] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2436] <... futex resumed>)        = 0
[pid  2435] <... clone3 resumed> => {parent_tid=[2438]}, 88) = 2438
[pid  2433] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2438] <... set_robust_list resumed>) = 0
[pid  2437] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2436] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2435] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2433] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2438] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2437] <... futex resumed>)        = 1
[pid  2436] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2435] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2434] <... futex resumed>)        = 0
[pid  2433] <... futex resumed>)        = 0
[pid  2438] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2436] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2435] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2434] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2433] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2438] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2435] <... futex resumed>)        = 0
[pid  2437] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2436] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2435] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2434] <... futex resumed>)        = 0
[pid  2438] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2438] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2434] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2438] <... futex resumed>)        = 1
[pid  2435] <... futex resumed>)        = 0
[pid  2438] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2437] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2436] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2435] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2438] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2436] <... futex resumed>)        = 1
[pid  2435] <... futex resumed>)        = 0
[pid  2433] <... futex resumed>)        = 0
[pid  2438] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2435] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2438] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2437] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2436] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2433] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2438] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2437] <... futex resumed>)        = 1
[pid  2436] <... openat resumed>)       = 3
[pid  2434] <... futex resumed>)        = 0
[pid  2433] <... futex resumed>)        = 0
[pid  2438] <... futex resumed>)        = 1
[pid  2437] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2436] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2435] <... futex resumed>)        = 0
[pid  2434] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2433] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2437] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2436] <... futex resumed>)        = 0
[pid  2434] <... futex resumed>)        = 0
[pid  2433] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2437] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2436] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2434] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2433] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2436] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2433] <... futex resumed>)        = 0
[pid  2436] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2437] <... openat resumed>)       = 3
[pid  2433] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2438] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2435] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2438] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2437] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2436] <... write resumed>)        = 2
[pid  2435] <... futex resumed>)        = 0
[pid  2438] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2437] <... futex resumed>)        = 1
[pid  2436] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2435] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2434] <... futex resumed>)        = 0
[pid  2438] <... openat resumed>)       = 3
[pid  2437] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2436] <... futex resumed>)        = 1
[pid  2434] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2433] <... futex resumed>)        = 0
[pid  2438] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2437] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2436] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2434] <... futex resumed>)        = 0
[pid  2433] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2438] <... futex resumed>)        = 1
[pid  2437] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2436] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2435] <... futex resumed>)        = 0
[pid  2434] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2433] <... futex resumed>)        = 0
[pid  2438] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2435] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2438] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2435] <... futex resumed>)        = 0
[pid  2433] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2438] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2435] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2438] <... write resumed>)        = 2
[pid  2436] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2438] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2435] <... futex resumed>)        = 0
[pid  2438] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2435] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2438] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2435] <... futex resumed>)        = 0
[pid  2438] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2435] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2438] <... openat resumed>)       = 4
[pid  2437] <... write resumed>)        = 2
[pid  2437] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2436] <... openat resumed>)       = 4
[pid  2438] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2436] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2437] <... futex resumed>)        = 1
[pid  2436] <... futex resumed>)        = 1
[pid  2434] <... futex resumed>)        = 0
[pid  2433] <... futex resumed>)        = 0
[pid  2437] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2436] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2433] exit_group(0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2437] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2436] <... futex resumed>)        = ?
[pid  2434] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2433] <... exit_group resumed>)   = ?
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2437] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2434] <... futex resumed>)        = 0
[pid  2436] +++ exited with 0 +++
[pid  2438] <... futex resumed>)        = 1
[pid  2435] <... futex resumed>)        = 0
[pid  2438] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2435] exit_group(0 <unfinished ...>
[pid  2438] <... futex resumed>)        = ?
[pid  2435] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 2439 attached
[pid  2438] +++ exited with 0 +++
[pid  2437] <... openat resumed>)       = 4
[pid  2435] +++ exited with 0 +++
[pid  2434] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2433] +++ exited with 0 +++
[pid  2439] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2437] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2434] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2435, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2433, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2439] <... set_robust_list resumed>) = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2439] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2439] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2439] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2437] <... futex resumed>)        = 0
[pid  2434] exit_group(0 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2439] <... prctl resumed>)        = 0
[pid  2434] <... exit_group resumed>)   = ?
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2439
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2439] setpgid(0, 0 <unfinished ...>
[pid  2437] +++ exited with 0 +++
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2440 attached
 <unfinished ...>
[pid  2439] <... setpgid resumed>)      = 0
[pid  2439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2440] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2434] +++ exited with 0 +++
[pid  2440] <... set_robust_list resumed>) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2434, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2440] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2439] <... openat resumed>)       = 3
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2440] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2440] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2440
[pid  2440] <... prctl resumed>)        = 0
[pid  2440] setpgid(0, 0 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2440] <... setpgid resumed>)      = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2439] write(3, "1000", 4 <unfinished ...>
[pid  2440] <... openat resumed>)       = 3
[pid  2439] <... write resumed>)        = 4
[pid  2439] close(3 <unfinished ...>
[pid  2440] write(3, "1000", 4)         = 4
[pid  2439] <... close resumed>)        = 0
[pid  2440] close(3 <unfinished ...>
[pid  2439] write(1, "executing program\n", 18 <unfinished ...>
[pid  2440] <... close resumed>)        = 0
executing program
[pid  2439] <... write resumed>)        = 18
[pid  2440] write(1, "executing program\n", 18 <unfinished ...>
[pid  2439] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2440] <... write resumed>)        = 18
executing program
[pid  2440] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2439] <... futex resumed>)        = 0
[pid  2439] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2440] <... futex resumed>)        = 0
[pid  2439] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2440] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2439] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2440] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2439] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2440] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2439] <... mmap resumed>)         = 0x7fb4de009000
[pid  2440] <... mmap resumed>)         = 0x7fb4de009000
[pid  2439] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2440] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2439] <... mprotect resumed>)     = 0
[pid  2440] <... mprotect resumed>)     = 0
[pid  2440] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2439] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2440] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2441 attached
 <unfinished ...>
[pid  2439] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2440] <... clone3 resumed> => {parent_tid=[2441]}, 88) = 2441
[pid  2439] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2441] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2440] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2442 attached
[pid  2441] <... set_robust_list resumed>) = 0
[pid  2440] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2441] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2442] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2441] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2441] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2442] <... set_robust_list resumed>) = 0
[pid  2442] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2440] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2439] <... clone3 resumed> => {parent_tid=[2442]}, 88) = 2442
[pid  2440] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2439] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2439] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2439] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2439] <... futex resumed>)        = 0
[pid  2442] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2441] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  2439] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2442] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2441] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2443
[pid  2441] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2440] <... futex resumed>)        = 0
[pid  2442] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2441] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2442] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2440] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2442] <... futex resumed>)        = 1
[pid  2441] <... futex resumed>)        = 0
[pid  2440] <... futex resumed>)        = 1
[pid  2439] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2442] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2441] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2440] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2439] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2443 attached
[pid  2442] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2441] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2439] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2443] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2442] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2441] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2439] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2441] <... futex resumed>)        = 1
[pid  2440] <... futex resumed>)        = 0
[pid  2441] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2440] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2441] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2440] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2444 attached
[pid  2441] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2440] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2444] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2443] <... set_robust_list resumed>) = 0
[pid  2442] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2441] <... openat resumed>)       = 3
[pid  2444] <... set_robust_list resumed>) = 0
[pid  2441] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2444] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2441] <... futex resumed>)        = 1
[pid  2440] <... futex resumed>)        = 0
[pid  2441] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2440] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2444] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2441] <... write resumed>)        = 2
[pid  2440] <... futex resumed>)        = 0
[pid  2444] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2441] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2440] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2444] <... prctl resumed>)        = 0
[pid  2441] <... futex resumed>)        = 0
[pid  2440] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2444] setpgid(0, 0 <unfinished ...>
[pid  2441] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2440] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2444] <... setpgid resumed>)      = 0
[pid  2441] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2440] <... futex resumed>)        = 0
[pid  2444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2441] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2443] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2442] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2444
[pid  2443] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2442] <... futex resumed>)        = 1
[pid  2439] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2444] <... openat resumed>)       = 3
[pid  2443] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2442] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2441] <... openat resumed>)       = 4
[pid  2440] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2439] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2444] write(3, "1000", 4 <unfinished ...>
[pid  2443] <... prctl resumed>)        = 0
[pid  2442] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2441] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2440] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2439] <... futex resumed>)        = 0
[pid  2444] <... write resumed>)        = 4
[pid  2443] setpgid(0, 0 <unfinished ...>
[pid  2442] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2441] <... futex resumed>)        = 0
[pid  2440] exit_group(0 <unfinished ...>
[pid  2444] close(3 <unfinished ...>
[pid  2443] <... setpgid resumed>)      = 0
[pid  2442] <... openat resumed>)       = 3
[pid  2440] <... exit_group resumed>)   = ?
[pid  2439] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2444] <... close resumed>)        = 0
[pid  2443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2442] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2441] +++ exited with 0 +++
[pid  2440] +++ exited with 0 +++
[pid  2439] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2444] write(1, "executing program\n", 18 <unfinished ...>
[pid  2442] <... futex resumed>)        = 0
[pid  2439] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2440, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2444] <... write resumed>)        = 18
executing program
[pid  2442] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2439] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2444] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2443] <... openat resumed>)       = 3
[pid  2442] <... write resumed>)        = 2
[pid  2439] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2443] write(3, "1000", 4 <unfinished ...>
[pid  2442] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2439] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2443] <... write resumed>)        = 4
[pid  2442] <... futex resumed>)        = 0
[pid  2439] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2444] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  2444] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2443] close(3 <unfinished ...>
[pid  2442] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2439] <... futex resumed>)        = 0
[pid  2444] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2443] <... close resumed>)        = 0
[pid  2442] <... openat resumed>)       = 4
[pid  2444] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2439] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2444] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2443] write(1, "executing program\n", 18 <unfinished ...>
[pid  2442] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2439] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2443] <... write resumed>)        = 18
[pid  2442] <... futex resumed>)        = 0
executing program
[pid  2439] exit_group(0 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2444] <... mmap resumed>)         = 0x7fb4de009000
[pid  2442] ???( <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2444] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2443] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2442] <... ??? resumed>)          = ?
[pid  2439] <... exit_group resumed>)   = ?
[pid  2442] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 2445 attached
[pid  2444] <... mprotect resumed>)     = 0
[pid  2443] <... futex resumed>)        = 0
[pid  2445] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2443] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2445] <... set_robust_list resumed>) = 0
[pid  2443] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2445
[pid  2445] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2444] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2443] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2439] +++ exited with 0 +++
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2445] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2443] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2445] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2444] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2439, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2445] <... prctl resumed>)        = 0
[pid  2444] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2445] setpgid(0, 0 <unfinished ...>
[pid  2443] <... mmap resumed>)         = 0x7fb4de009000
[pid  2445] <... setpgid resumed>)      = 0
[pid  2445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2443] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2444] <... clone3 resumed> => {parent_tid=[2446]}, 88) = 2446
[pid  2443] <... mprotect resumed>)     = 0
[pid  2444] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2446 attached
 <unfinished ...>
[pid  2445] <... openat resumed>)       = 3
[pid  2444] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2443] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2446] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2445] write(3, "1000", 4 <unfinished ...>
[pid  2444] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2446] <... set_robust_list resumed>) = 0
[pid  2445] <... write resumed>)        = 4
[pid  2446] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2445] close(3 <unfinished ...>
[pid  2446] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2445] <... close resumed>)        = 0
[pid  2444] <... futex resumed>)        = 0
[pid  2443] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2446] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2446] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2445] write(1, "executing program\n", 18 <unfinished ...>
[pid  2446] <... futex resumed>)        = 0
[pid  2445] <... write resumed>)        = 18
executing program
[pid  2444] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2446] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2445] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2444] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2444] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2443] <... clone3 resumed> => {parent_tid=[2447]}, 88) = 2447
[pid  2444] <... futex resumed>)        = 1
[pid  2443] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2447 attached
 <unfinished ...>
[pid  2446] <... futex resumed>)        = 0
[pid  2445] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2444] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2443] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2447] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2446] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2445] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2447] <... set_robust_list resumed>) = 0
[pid  2446] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2445] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2443] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2447] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2446] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2445] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2447] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2446] <... futex resumed>)        = 1
[pid  2445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2444] <... futex resumed>)        = 0
[pid  2443] <... futex resumed>)        = 0
[pid  2447] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2446] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2445] <... mmap resumed>)         = 0x7fb4de009000
[pid  2444] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2443] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2444] <... futex resumed>)        = 0
[pid  2447] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2446] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2445] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2444] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2447] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2446] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2445] <... mprotect resumed>)     = 0
[pid  2447] <... futex resumed>)        = 1
[pid  2446] <... openat resumed>)       = 3
[pid  2445] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2443] <... futex resumed>)        = 0
[pid  2447] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2446] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2445] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2444] <... futex resumed>)        = 0
[pid  2443] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2444] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2443] <... futex resumed>)        = 1
[pid  2444] <... futex resumed>)        = 0
[pid  2443] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2444] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2447] <... futex resumed>)        = 0
[pid  2446] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2445] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2448 attached
 <unfinished ...>
[pid  2447] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2446] <... write resumed>)        = 2
[pid  2447] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2446] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2445] <... clone3 resumed> => {parent_tid=[2448]}, 88) = 2448
[pid  2448] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2447] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2446] <... futex resumed>)        = 1
[pid  2445] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2444] <... futex resumed>)        = 0
[pid  2448] <... set_robust_list resumed>) = 0
[pid  2447] <... futex resumed>)        = 1
[pid  2446] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2445] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2443] <... futex resumed>)        = 0
[pid  2444] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2448] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2447] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2446] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2445] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2444] <... futex resumed>)        = 0
[pid  2443] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2448] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2447] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2446] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2445] <... futex resumed>)        = 0
[pid  2444] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2448] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2447] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2446] <... openat resumed>)       = 4
[pid  2445] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2443] <... futex resumed>)        = 0
[pid  2448] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2447] <... openat resumed>)       = 3
[pid  2447] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2446] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2447] <... futex resumed>)        = 0
[pid  2446] <... futex resumed>)        = 0
[pid  2447] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2446] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2444] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2444] exit_group(0 <unfinished ...>
[pid  2448] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2445] <... futex resumed>)        = 0
[pid  2446] <... futex resumed>)        = ?
[pid  2445] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2444] <... exit_group resumed>)   = ?
[pid  2448] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2446] +++ exited with 0 +++
[pid  2445] <... futex resumed>)        = 0
[pid  2444] +++ exited with 0 +++
[pid  2443] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2448] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2445] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2443] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2448] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2445] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2448] <... futex resumed>)        = 0
[pid  2445] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2443] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2444, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2448] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2447] <... futex resumed>)        = 0
[pid  2445] <... futex resumed>)        = 0
[pid  2443] <... futex resumed>)        = 1
[pid  2448] <... openat resumed>)       = 3
[pid  2447] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2445] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2443] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2448] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2448] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2448] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2447] <... write resumed>)        = 2
[pid  2445] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... restart_syscall resumed>) = 0
[pid  2447] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2445] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2448] <... futex resumed>)        = 0
[pid  2447] <... futex resumed>)        = 1
[pid  2445] <... futex resumed>)        = 1
[pid  2447] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2445] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2449 attached
 <unfinished ...>
[pid  2448] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2443] <... futex resumed>)        = 0
[pid  2449] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2443] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2448] <... write resumed>)        = 2
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2449
[pid  2448] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2447] <... futex resumed>)        = 0
[pid  2443] <... futex resumed>)        = 1
[pid  2447] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2448] <... futex resumed>)        = 1
[pid  2443] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2448] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2447] <... openat resumed>)       = 4
[pid  2449] <... set_robust_list resumed>) = 0
[pid  2445] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2450 attached
[pid  2449] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2447] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2445] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2450] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2449] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2448] <... futex resumed>)        = 0
[pid  2447] <... futex resumed>)        = 1
[pid  2445] <... futex resumed>)        = 1
[pid  2443] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2450
[pid  2450] <... set_robust_list resumed>) = 0
[pid  2449] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2448] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2447] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2445] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2443] exit_group(0 <unfinished ...>
[pid  2450] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2449] <... prctl resumed>)        = 0
[pid  2448] <... openat resumed>)       = 4
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2450] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2447] <... futex resumed>)        = ?
[pid  2443] <... exit_group resumed>)   = ?
[pid  2449] setpgid(0, 0 <unfinished ...>
[pid  2448] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2447] +++ exited with 0 +++
[pid  2450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2450] setpgid(0, 0)               = 0
[pid  2449] <... setpgid resumed>)      = 0
[pid  2448] <... futex resumed>)        = 1
[pid  2445] <... futex resumed>)        = 0
[pid  2443] +++ exited with 0 +++
[pid  2450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2448] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2445] exit_group(0 <unfinished ...>
[pid  2450] <... openat resumed>)       = 3
[pid  2448] <... futex resumed>)        = ?
[pid  2445] <... exit_group resumed>)   = ?
[pid  2449] <... openat resumed>)       = 3
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2443, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2450] write(3, "1000", 4)         = 4
[pid  2448] +++ exited with 0 +++
[pid  2449] write(3, "1000", 4 <unfinished ...>
[pid  2445] +++ exited with 0 +++
[pid  2450] close(3 <unfinished ...>
[pid  2449] <... write resumed>)        = 4
[pid  2450] <... close resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2445, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2449] close(3 <unfinished ...>
[pid  2450] write(1, "executing program\n", 18 <unfinished ...>
[pid  2449] <... close resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2450] <... write resumed>)        = 18
executing program
executing program
[pid  2449] write(1, "executing program\n", 18 <unfinished ...>
[pid  2450] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2449] <... write resumed>)        = 18
[pid  2450] <... futex resumed>)        = 0
[pid  2449] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2450] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2449] <... futex resumed>)        = 0
[pid  2450] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2449] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2450] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2449] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2450] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2449] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2449] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2450] <... mmap resumed>)         = 0x7fb4de009000
[pid  2449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2450] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2450] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2449] <... mmap resumed>)         = 0x7fb4de009000
[pid  2450] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2450] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2449] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2450] <... clone3 resumed> => {parent_tid=[2451]}, 88) = 2451
ci2-android-6-12-rust/strace-static-x86_64: Process 2451 attached
[pid  2451] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2450] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2449] <... mprotect resumed>)     = 0
[pid  2451] <... set_robust_list resumed>) = 0
[pid  2450] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2451] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2449] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2451] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2450] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2451] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2449] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2450] <... futex resumed>)        = 0
[pid  2449] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2450] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2452 attached
 <unfinished ...>
[pid  2451] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2452] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2451] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2452] <... set_robust_list resumed>) = 0
[pid  2451] <... futex resumed>)        = 1
[pid  2452] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2451] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2452] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2452] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2450] <... futex resumed>)        = 0
[pid  2449] <... clone3 resumed> => {parent_tid=[2452]}, 88) = 2452
[pid  2450] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2451] <... futex resumed>)        = 0
[pid  2450] <... futex resumed>)        = 1
[pid  2449] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2451] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2450] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2452] <... futex resumed>)        = 0
[pid  2451] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2449] <... futex resumed>)        = 1
[pid  2452] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  2452] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2451] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2449] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2452] <... futex resumed>)        = 0
[pid  2451] <... futex resumed>)        = 1
[pid  2450] <... futex resumed>)        = 0
[pid  2449] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2452] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2451] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2450] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2449] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2452] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2451] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2450] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  2452] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2451] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2450] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2449] <... futex resumed>)        = 0
[pid  2452] <... futex resumed>)        = 0
[pid  2451] <... openat resumed>)       = 3
[pid  2449] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2452] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2451] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2449] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2451] <... futex resumed>)        = 1
[pid  2450] <... futex resumed>)        = 0
[pid  2449] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2451] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2450] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2453 attached
 <unfinished ...>
[pid  2452] <... futex resumed>)        = 0
[pid  2451] <... write resumed>)        = 2
[pid  2450] <... futex resumed>)        = 0
[pid  2449] <... futex resumed>)        = 1
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2452] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2451] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2450] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2449] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2453] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2452] <... openat resumed>)       = 3
[pid  2450] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2451] <... futex resumed>)        = 0
[pid  2451] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2450] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2451] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 2454 attached
[pid  2452] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2451] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2450] <... futex resumed>)        = 0
[pid  2452] <... futex resumed>)        = 1
[pid  2451] <... openat resumed>)       = 4
[pid  2450] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2453
[pid  2452] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2451] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2451] <... futex resumed>)        = 1
[pid  2450] <... futex resumed>)        = 0
[pid  2451] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2450] exit_group(0 <unfinished ...>
[pid  2453] <... set_robust_list resumed>) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2449] <... futex resumed>)        = 0
[pid  2454] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2451] <... futex resumed>)        = ?
[pid  2450] <... exit_group resumed>)   = ?
[pid  2449] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2454] <... set_robust_list resumed>) = 0
[pid  2453] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2452] <... futex resumed>)        = 0
[pid  2451] +++ exited with 0 +++
[pid  2450] +++ exited with 0 +++
[pid  2449] <... futex resumed>)        = 1
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2454
[pid  2454] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2453] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2452] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2449] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2453] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2452] <... write resumed>)        = 2
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2454] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2453] <... prctl resumed>)        = 0
[pid  2452] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2450, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2454] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2453] setpgid(0, 0 <unfinished ...>
[pid  2452] <... futex resumed>)        = 1
[pid  2449] <... futex resumed>)        = 0
[pid  2453] <... setpgid resumed>)      = 0
[pid  2452] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2449] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2452] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2449] <... futex resumed>)        = 0
[pid  2452] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2449] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2454] <... prctl resumed>)        = 0
[pid  2452] <... openat resumed>)       = 4
[pid  2453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2452] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2454] setpgid(0, 0)               = 0
[pid  2449] <... futex resumed>)        = 0
[pid  2454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2452] <... futex resumed>)        = 1
[pid  2449] exit_group(0 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2454] <... openat resumed>)       = 3
[pid  2453] <... openat resumed>)       = 3
[pid  2449] <... exit_group resumed>)   = ?
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2454] write(3, "1000", 4 <unfinished ...>
[pid  2453] write(3, "1000", 4 <unfinished ...>
[pid  2452] +++ exited with 0 +++
[pid  2449] +++ exited with 0 +++
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2454] <... write resumed>)        = 4
[pid  2453] <... write resumed>)        = 4
[pid  2454] close(3 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2449, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2454] <... close resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2455 attached
[pid  2453] close(3 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2455] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2454] write(1, "executing program\n", 18 <unfinished ...>
[pid  2453] <... close resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2455
[pid   314] <... restart_syscall resumed>) = 0
[pid  2455] <... set_robust_list resumed>) = 0
executing program
[pid  2454] <... write resumed>)        = 18
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2455] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2454] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2453] write(1, "executing program\n", 18 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2455] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2454] <... futex resumed>)        = 0
[pid  2453] <... write resumed>)        = 18
[pid  2455] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
executing program
[pid  2454] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2453] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2455] <... prctl resumed>)        = 0
[pid  2454] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2453] <... futex resumed>)        = 0
[pid  2455] setpgid(0, 0 <unfinished ...>
[pid  2454] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2453] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2455] <... setpgid resumed>)      = 0
[pid  2454] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2453] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2454] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2453] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2455] <... openat resumed>)       = 3
[pid  2454] <... mmap resumed>)         = 0x7fb4de009000
[pid  2453] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2455] write(3, "1000", 4 <unfinished ...>
[pid  2454] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2453] <... mmap resumed>)         = 0x7fb4de009000
[pid  2455] <... write resumed>)        = 4
[pid  2454] <... mprotect resumed>)     = 0
[pid  2453] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2455] close(3 <unfinished ...>
[pid  2454] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2453] <... mprotect resumed>)     = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2456 attached
[pid  2455] <... close resumed>)        = 0
[pid  2455] write(1, "executing program\n", 18 <unfinished ...>
[pid  2454] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2453] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2455] <... write resumed>)        = 18
executing program
[pid  2454] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2453] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2457 attached
[pid  2455] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2453] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2457] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2456] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2455] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2456
[pid  2457] <... set_robust_list resumed>) = 0
[pid  2456] <... set_robust_list resumed>) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2458 attached
 <unfinished ...>
[pid  2456] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2455] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2454] <... clone3 resumed> => {parent_tid=[2457]}, 88) = 2457
[pid  2453] <... clone3 resumed> => {parent_tid=[2458]}, 88) = 2458
[pid  2458] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2455] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2454] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2453] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2458] <... set_robust_list resumed>) = 0
[pid  2455] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2454] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2453] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2458] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2455] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2454] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2453] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2458] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2454] <... futex resumed>)        = 0
[pid  2453] <... futex resumed>)        = 0
[pid  2458] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2457] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2456] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2455] <... mmap resumed>)         = 0x7fb4de009000
[pid  2454] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2453] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2458] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2457] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2456] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2455] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2458] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2455] <... mprotect resumed>)     = 0
[pid  2458] <... futex resumed>)        = 1
[pid  2457] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2456] <... prctl resumed>)        = 0
[pid  2453] <... futex resumed>)        = 0
[pid  2458] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2457] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2456] setpgid(0, 0 <unfinished ...>
[pid  2455] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2453] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2458] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2456] <... setpgid resumed>)      = 0
[pid  2455] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2453] <... futex resumed>)        = 0
[pid  2458] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2453] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2458] <... futex resumed>)        = 0
[pid  2456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2458] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2457] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2456] <... openat resumed>)       = 3
[pid  2453] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 2459 attached
[pid  2457] <... futex resumed>)        = 1
[pid  2456] write(3, "1000", 4 <unfinished ...>
[pid  2457] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2456] <... write resumed>)        = 4
[pid  2459] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2456] close(3 <unfinished ...>
[pid  2455] <... clone3 resumed> => {parent_tid=[2459]}, 88) = 2459
[pid  2454] <... futex resumed>)        = 0
[pid  2453] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2459] <... set_robust_list resumed>) = 0
[pid  2458] <... futex resumed>)        = 0
[pid  2456] <... close resumed>)        = 0
[pid  2455] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2454] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2453] <... futex resumed>)        = 1
[pid  2459] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2458] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2457] <... futex resumed>)        = 0
[pid  2456] write(1, "executing program\n", 18 <unfinished ...>
[pid  2455] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  2454] <... futex resumed>)        = 1
[pid  2453] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2459] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2458] <... openat resumed>)       = 3
[pid  2457] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2456] <... write resumed>)        = 18
[pid  2455] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2454] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2459] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2458] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2455] <... futex resumed>)        = 0
[pid  2458] <... futex resumed>)        = 1
[pid  2457] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2456] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2455] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2453] <... futex resumed>)        = 0
[pid  2458] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2453] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2458] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2453] <... futex resumed>)        = 0
[pid  2458] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2453] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2458] <... write resumed>)        = 2
[pid  2458] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2453] <... futex resumed>)        = 0
[pid  2458] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2453] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2458] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2453] <... futex resumed>)        = 0
[pid  2458] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2453] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2458] <... openat resumed>)       = 4
[pid  2459] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2456] <... futex resumed>)        = 0
[pid  2457] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2459] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2456] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2459] <... futex resumed>)        = 1
[pid  2458] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2457] <... futex resumed>)        = 1
[pid  2455] <... futex resumed>)        = 0
[pid  2454] <... futex resumed>)        = 0
[pid  2459] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2458] <... futex resumed>)        = 1
[pid  2457] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2456] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2455] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2454] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2453] <... futex resumed>)        = 0
[pid  2459] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2458] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2457] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2456] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2455] <... futex resumed>)        = 0
[pid  2454] <... futex resumed>)        = 0
[pid  2453] exit_group(0 <unfinished ...>
[pid  2457] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2456] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2455] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2454] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2458] <... futex resumed>)        = ?
[pid  2457] <... openat resumed>)       = 3
[pid  2456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2453] <... exit_group resumed>)   = ?
[pid  2459] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2458] +++ exited with 0 +++
[pid  2457] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2456] <... mmap resumed>)         = 0x7fb4de009000
[pid  2453] +++ exited with 0 +++
[pid  2457] <... futex resumed>)        = 1
[pid  2456] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2454] <... futex resumed>)        = 0
[pid  2457] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2454] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2457] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2456] <... mprotect resumed>)     = 0
[pid  2454] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2453, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2459] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2457] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2456] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2459] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2457] <... write resumed>)        = 2
[pid  2456] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2459] <... futex resumed>)        = 1
[pid  2457] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2456] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2459] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2457] <... futex resumed>)        = 0
[pid  2455] <... futex resumed>)        = 0
[pid  2454] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2460 attached
 <unfinished ...>
[pid  2459] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2457] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2455] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2454] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2460] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2459] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2456] <... clone3 resumed> => {parent_tid=[2460]}, 88) = 2460
[pid  2455] <... futex resumed>)        = 0
[pid  2454] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2460] <... set_robust_list resumed>) = 0
[pid  2459] <... openat resumed>)       = 3
[pid  2457] <... futex resumed>)        = 0
[pid  2456] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2455] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2454] <... futex resumed>)        = 1
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2460] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2459] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2457] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2456] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2455] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2454] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2460] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2459] <... futex resumed>)        = 0
[pid  2457] <... openat resumed>)       = 4
[pid  2456] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2455] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2460] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2459] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2456] <... futex resumed>)        = 0
[pid  2455] <... futex resumed>)        = 0
[pid  2460] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2456] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2455] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2460] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2456] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2460] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2456] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2460] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2456] <... futex resumed>)        = 0
[pid  2460] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  2460] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2460] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2457] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2459] <... write resumed>)        = 2
[pid  2459] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2454] <... futex resumed>)        = 0
[pid  2457] <... futex resumed>)        = 1
[pid  2454] exit_group(0)               = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 2461 attached
[pid  2459] <... futex resumed>)        = 1
[pid  2457] +++ exited with 0 +++
[pid  2456] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2455] <... futex resumed>)        = 0
[pid  2454] +++ exited with 0 +++
[pid  2461] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2459] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2456] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2455] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2455] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2461] <... set_robust_list resumed>) = 0
[pid  2459] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2456] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2454, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2461
[pid  2459] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2456] <... futex resumed>)        = 1
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2460] <... futex resumed>)        = 0
[pid  2459] <... openat resumed>)       = 4
[pid  2456] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2461] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2460] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2459] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2461] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2460] <... openat resumed>)       = 3
[pid  2459] <... futex resumed>)        = 1
[pid  2455] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2461] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2460] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2459] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2455] exit_group(0 <unfinished ...>
[pid  2461] <... prctl resumed>)        = 0
[pid  2460] <... futex resumed>)        = 1
[pid  2456] <... futex resumed>)        = 0
[pid  2455] <... exit_group resumed>)   = ?
[pid  2456] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2461] setpgid(0, 0 <unfinished ...>
[pid  2459] <... futex resumed>)        = ?
[pid  2456] <... futex resumed>)        = 0
[pid  2460] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2456] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2461] <... setpgid resumed>)      = 0
[pid  2460] <... write resumed>)        = 2
[pid  2461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2460] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2459] +++ exited with 0 +++
[pid  2460] <... futex resumed>)        = 1
[pid  2456] <... futex resumed>)        = 0
[pid  2455] +++ exited with 0 +++
[pid  2461] <... openat resumed>)       = 3
[pid  2460] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2456] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2455, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2456] <... futex resumed>)        = 0
[pid  2461] write(3, "1000", 4 <unfinished ...>
[pid  2460] <... openat resumed>)       = 4
[pid  2456] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2461] <... write resumed>)        = 4
[pid  2461] close(3 <unfinished ...>
[pid  2460] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2461] <... close resumed>)        = 0
[pid  2461] write(1, "executing program\n", 18 <unfinished ...>
[pid  2460] <... futex resumed>)        = 1
[pid  2456] <... futex resumed>)        = 0
[pid  2461] <... write resumed>)        = 18
[pid  2461] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2460] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
executing program
[pid  2456] exit_group(0 <unfinished ...>
[pid  2461] <... futex resumed>)        = 0
[pid  2461] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2461] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2461] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2460] <... futex resumed>)        = ?
[pid  2456] <... exit_group resumed>)   = ?
[pid  2461] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2462 attached
 <unfinished ...>
[pid  2462] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2461] <... clone3 resumed> => {parent_tid=[2462]}, 88) = 2462
[pid  2462] <... set_robust_list resumed>) = 0
[pid  2461] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2462] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2461] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2462] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2461] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2462] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2460] +++ exited with 0 +++
[pid  2456] +++ exited with 0 +++
[pid  2462] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2461] <... futex resumed>)        = 0
[pid  2462] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2461] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2462] <... futex resumed>)        = 0
[pid  2461] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2456, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2462] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2461] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2462] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2461] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2462] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2461] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2462] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2462] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2461] <... futex resumed>)        = 0
[pid  2461] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2462] <... futex resumed>)        = 1
[pid  2461] <... futex resumed>)        = 0
[pid  2462] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2461] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2462] <... openat resumed>)       = 3
[pid   313] <... restart_syscall resumed>) = 0
[pid  2462] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2461] <... futex resumed>)        = 0
[pid  2462] <... futex resumed>)        = 1
[pid  2461] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2462] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2461] <... futex resumed>)        = 0
[pid  2462] <... write resumed>)        = 2
[pid  2461] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2462] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2461] <... futex resumed>)        = 0
[pid  2462] <... futex resumed>)        = 1
[pid  2461] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2462] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2461] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2462] <... openat resumed>)       = 4
[pid  2461] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2462] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2461] <... futex resumed>)        = 0
[pid  2462] <... futex resumed>)        = 1
[pid  2461] exit_group(0 <unfinished ...>
[pid  2462] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid  2461] <... exit_group resumed>)   = ?
[pid  2462] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 2463 attached
[pid  2461] +++ exited with 0 +++
[pid   315] <... restart_syscall resumed>) = 0
[pid  2463] set_robust_list(0x55557716c6a0, 24) = 0
[pid  2463] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2463] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2461, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2463
[pid  2463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2463] setpgid(0, 0 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2463] <... setpgid resumed>)      = 0
[pid  2463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2463] write(3, "1000", 4 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2464 attached
[pid  2463] <... write resumed>)        = 4
[pid  2464] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2463] close(3 <unfinished ...>
[pid  2464] <... set_robust_list resumed>) = 0
[pid  2463] <... close resumed>)        = 0
[pid  2464] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2464
[pid  2464] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2463] write(1, "executing program\n", 18 <unfinished ...>
[pid  2464] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
executing program
[pid  2463] <... write resumed>)        = 18
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2464] <... prctl resumed>)        = 0
[pid  2463] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2464] setpgid(0, 0 <unfinished ...>
[pid  2463] <... futex resumed>)        = 0
[pid  2464] <... setpgid resumed>)      = 0
[pid  2463] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2463] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2463] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2464] <... openat resumed>)       = 3
[pid  2463] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  2463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2464] write(3, "1000", 4 <unfinished ...>
[pid  2463] <... mmap resumed>)         = 0x7fb4de009000
[pid  2464] <... write resumed>)        = 4
[pid  2464] close(3 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2464] <... close resumed>)        = 0
[pid  2463] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  2464] write(1, "executing program\n", 18 <unfinished ...>
[pid  2463] <... mprotect resumed>)     = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2464] <... write resumed>)        = 18
[pid  2464] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2463] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2464] <... futex resumed>)        = 0
[pid  2464] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2463] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2464] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2463] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2466 attached
 <unfinished ...>
[pid  2464] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 2465 attached
, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2465] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
executing program
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2463] <... clone3 resumed> => {parent_tid=[2466]}, 88) = 2466
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2465] <... set_robust_list resumed>) = 0
[pid  2466] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2464] <... mmap resumed>)         = 0x7fb4de009000
[pid  2463] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2464] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2463] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2464] <... mprotect resumed>)     = 0
[pid  2463] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2464] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2463] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2464] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2466] <... set_robust_list resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2467 attached
[pid  2465] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2466] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2465] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2466] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2468 attached
[pid  2467] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2465] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2466] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2468] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2467] <... set_robust_list resumed>) = 0
[pid  2464] <... clone3 resumed> => {parent_tid=[2468]}, 88) = 2468
[pid  2468] <... set_robust_list resumed>) = 0
[pid  2467] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2465] <... prctl resumed>)        = 0
[pid  2466] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2464] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2465
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2467
[pid  2468] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2467] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2465] setpgid(0, 0 <unfinished ...>
[pid  2466] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2464] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2468] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2467] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2465] <... setpgid resumed>)      = 0
[pid  2464] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2468] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2466] <... futex resumed>)        = 1
[pid  2463] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2466] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2468] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2467] <... prctl resumed>)        = 0
[pid  2464] <... futex resumed>)        = 0
[pid  2463] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2468] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2467] setpgid(0, 0 <unfinished ...>
[pid  2464] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2463] <... futex resumed>)        = 0
[pid  2468] <... futex resumed>)        = 0
[pid  2467] <... setpgid resumed>)      = 0
[pid  2464] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2463] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2468] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2464] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2468] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2467] <... openat resumed>)       = 3
[pid  2465] <... openat resumed>)       = 3
[pid  2466] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2464] <... futex resumed>)        = 0
[pid  2468] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2465] write(3, "1000", 4 <unfinished ...>
[pid  2466] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2464] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2468] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2467] write(3, "1000", 4 <unfinished ...>
[pid  2465] <... write resumed>)        = 4
[pid  2467] <... write resumed>)        = 4
[pid  2465] close(3 <unfinished ...>
[pid  2466] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2468] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2467] close(3 <unfinished ...>
[pid  2466] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2468] <... futex resumed>)        = 1
[pid  2467] <... close resumed>)        = 0
[pid  2464] <... futex resumed>)        = 0
[pid  2468] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2467] write(1, "executing program\n", 18 <unfinished ...>
[pid  2465] <... close resumed>)        = 0
[pid  2466] <... futex resumed>)        = 1
[pid  2464] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2463] <... futex resumed>)        = 0
executing program
[pid  2468] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2467] <... write resumed>)        = 18
[pid  2465] write(1, "executing program\n", 18 <unfinished ...>
[pid  2466] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2464] <... futex resumed>)        = 0
executing program
[pid  2463] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2468] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2467] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2465] <... write resumed>)        = 18
[pid  2466] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2464] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2463] <... futex resumed>)        = 0
[pid  2468] <... openat resumed>)       = 3
[pid  2467] <... futex resumed>)        = 0
[pid  2465] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2466] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2463] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2466] <... openat resumed>)       = 3
[pid  2468] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2467] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2466] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2463] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2468] <... futex resumed>)        = 1
[pid  2467] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2464] <... futex resumed>)        = 0
[pid  2463] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2468] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2467] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2464] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2463] <... futex resumed>)        = 0
[pid  2468] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2467] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2464] <... futex resumed>)        = 0
[pid  2463] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2468] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2464] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2468] <... write resumed>)        = 2
[pid  2467] <... mmap resumed>)         = 0x7fb4de009000
[pid  2468] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2467] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2464] <... futex resumed>)        = 0
[pid  2468] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2467] <... mprotect resumed>)     = 0
[pid  2464] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2468] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2467] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2465] <... futex resumed>)        = 0
[pid  2464] <... futex resumed>)        = 0
[pid  2466] <... futex resumed>)        = 1
[pid  2463] <... futex resumed>)        = 0
[pid  2468] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2467] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2465] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2466] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2464] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2463] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} <unfinished ...>
[pid  2468] <... openat resumed>)       = 4
[pid  2467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2465] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2466] <... write resumed>)        = 2
[pid  2465] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2466] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2465] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2468] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2466] <... futex resumed>)        = 1
[pid  2463] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2469 attached
[pid  2468] <... futex resumed>)        = 1
[pid  2464] <... futex resumed>)        = 0
[pid  2468] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2467] <... clone3 resumed> => {parent_tid=[2469]}, 88) = 2469
[pid  2466] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2469] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2464] exit_group(0 <unfinished ...>
[pid  2463] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2468] <... futex resumed>)        = ?
[pid  2467] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2465] <... mmap resumed>)         = 0x7fb4de009000
[pid  2464] <... exit_group resumed>)   = ?
[pid  2463] <... futex resumed>)        = 0
[pid  2469] <... set_robust_list resumed>) = 0
[pid  2468] +++ exited with 0 +++
[pid  2467] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2465] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2466] <... openat resumed>)       = 4
[pid  2464] +++ exited with 0 +++
[pid  2463] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2469] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2467] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2465] <... mprotect resumed>)     = 0
[pid  2466] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2463] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2464, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2469] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2467] <... futex resumed>)        = 0
[pid  2465] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2466] <... futex resumed>)        = 0
[pid  2463] exit_group(0 <unfinished ...>
[pid  2469] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2467] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2463] <... exit_group resumed>)   = ?
[pid  2469] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2469] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2466] +++ exited with 0 +++
[pid  2463] +++ exited with 0 +++
[pid  2469] <... futex resumed>)        = 1
[pid  2467] <... futex resumed>)        = 0
[pid  2465] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2469] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2465] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2463, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 2470 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2471 attached
[pid  2467] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2469] <... futex resumed>)        = 0
[pid  2467] <... futex resumed>)        = 1
[pid  2465] <... clone3 resumed> => {parent_tid=[2471]}, 88) = 2471
[pid  2471] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2470] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2469] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2467] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2465] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2470
[pid  2471] <... set_robust_list resumed>) = 0
[pid  2470] <... set_robust_list resumed>) = 0
[pid  2469] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2471] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2470] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2469] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2465] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2471] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2470] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2469] <... futex resumed>)        = 1
[pid  2467] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2471] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2470] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2469] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2467] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2465] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2471] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2470] <... prctl resumed>)        = 0
[pid  2469] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2467] <... futex resumed>)        = 0
[pid  2471] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2470] setpgid(0, 0 <unfinished ...>
[pid  2469] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2467] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2465] <... futex resumed>)        = 0
[pid  2471] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2470] <... setpgid resumed>)      = 0
[pid  2469] <... openat resumed>)       = 3
[pid  2465] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2471] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2469] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2471] <... futex resumed>)        = 1
[pid  2469] <... futex resumed>)        = 1
[pid  2467] <... futex resumed>)        = 0
[pid  2465] <... futex resumed>)        = 0
[pid  2471] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2470] <... openat resumed>)       = 3
[pid  2469] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2467] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2465] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2471] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2469] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2467] <... futex resumed>)        = 0
[pid  2465] <... futex resumed>)        = 0
[pid  2471] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2470] write(3, "1000", 4 <unfinished ...>
[pid  2469] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2467] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2465] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2471] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2470] <... write resumed>)        = 4
[pid  2469] <... write resumed>)        = 2
[pid  2471] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2470] close(3 <unfinished ...>
[pid  2469] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2471] <... futex resumed>)        = 1
[pid  2470] <... close resumed>)        = 0
[pid  2465] <... futex resumed>)        = 0
[pid  2471] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2470] write(1, "executing program\n", 18 <unfinished ...>
[pid  2467] <... futex resumed>)        = 0
[pid  2471] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2470] <... write resumed>)        = 18
executing program
[pid  2467] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2465] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2471] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2470] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2467] <... futex resumed>)        = 0
[pid  2471] <... openat resumed>)       = 3
[pid  2470] <... futex resumed>)        = 0
[pid  2469] <... futex resumed>)        = 1
[pid  2467] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2465] <... futex resumed>)        = 0
[pid  2471] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2470] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2465] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2471] <... futex resumed>)        = 0
[pid  2470] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2465] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2471] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2470] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2469] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2470] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2465] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2471] <... futex resumed>)        = 0
[pid  2465] <... futex resumed>)        = 1
[pid  2469] <... openat resumed>)       = 4
[pid  2465] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2469] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2471] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2470] <... mmap resumed>)         = 0x7fb4de009000
[pid  2469] <... futex resumed>)        = 1
[pid  2467] <... futex resumed>)        = 0
[pid  2471] <... write resumed>)        = 2
[pid  2470] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2469] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2467] exit_group(0 <unfinished ...>
[pid  2471] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2470] <... mprotect resumed>)     = 0
[pid  2467] <... exit_group resumed>)   = ?
[pid  2471] <... futex resumed>)        = 1
[pid  2470] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2469] <... futex resumed>)        = ?
[pid  2465] <... futex resumed>)        = 0
[pid  2471] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2470] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2465] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2470] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2472 attached
 <unfinished ...>
[pid  2472] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2470] <... clone3 resumed> => {parent_tid=[2472]}, 88) = 2472
[pid  2472] <... set_robust_list resumed>) = 0
[pid  2470] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2472] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2470] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2472] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2470] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2472] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2470] <... futex resumed>)        = 0
[pid  2469] +++ exited with 0 +++
[pid  2472] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2471] <... futex resumed>)        = 0
[pid  2470] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2467] +++ exited with 0 +++
[pid  2465] <... futex resumed>)        = 1
[pid  2471] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2465] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2467, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2471] <... openat resumed>)       = 4
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2471] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2472] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2465] <... futex resumed>)        = 0
[pid  2471] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2472] <... futex resumed>)        = 1
[pid  2470] <... futex resumed>)        = 0
[pid  2465] exit_group(0 <unfinished ...>
[pid  2472] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2470] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2472] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2471] <... futex resumed>)        = ?
[pid  2470] <... futex resumed>)        = 0
[pid  2465] <... exit_group resumed>)   = ?
[pid  2472] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2471] +++ exited with 0 +++
[pid  2470] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2472] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2472] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2470] <... futex resumed>)        = 0
[pid  2472] <... futex resumed>)        = 1
[pid  2470] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2472] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  2470] <... futex resumed>)        = 0
[pid  2472] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2470] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2465] +++ exited with 0 +++
[pid  2472] <... futex resumed>)        = 0
[pid  2470] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2465, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2472] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2470] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2472] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2470] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2472] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2470] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2472] <... write resumed>)        = 2
[pid   313] <... restart_syscall resumed>) = 0
[pid  2472] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2470] <... futex resumed>)        = 0
[pid  2472] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2470] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2472] <... openat resumed>)       = 4
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2470] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2472] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2470] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2472] <... futex resumed>)        = 0
[pid  2470] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2472] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2470] exit_group(0 <unfinished ...>
[pid  2472] <... futex resumed>)        = ?
[pid  2472] +++ exited with 0 +++
[pid  2470] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 2473 attached
[pid  2470] +++ exited with 0 +++
[pid  2473] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2470, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2473
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2473] <... set_robust_list resumed>) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2473] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2473] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2473] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2473] <... prctl resumed>)        = 0
[pid  2473] setpgid(0, 0)               = 0
[pid  2473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2473] <... openat resumed>)       = 3
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2473] write(3, "1000", 4)         = 4
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2473] close(3)                    = 0
[pid  2473] write(1, "executing program\n", 18) = 18
executing program
[pid  2473] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2473] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2473] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2473] <... mmap resumed>)         = 0x7fb4de009000
[pid  2473] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2473] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2474 attached
, [], 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  2474] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2474] <... set_robust_list resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2475 attached
[pid  2474] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2475] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2475] <... set_robust_list resumed>) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2475] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2475] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2474
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2475] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2474] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2473] <... clone3 resumed> => {parent_tid=[2475]}, 88) = 2475
[pid  2474] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2473] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2474] <... prctl resumed>)        = 0
[pid  2473] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2474] setpgid(0, 0 <unfinished ...>
[pid  2473] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2474] <... setpgid resumed>)      = 0
[pid  2473] <... futex resumed>)        = 1
[pid  2474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2473] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2474] <... openat resumed>)       = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 2476 attached
[pid  2475] <... futex resumed>)        = 0
[pid  2474] write(3, "1000", 4 <unfinished ...>
[pid  2476] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2475] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2474] <... write resumed>)        = 4
[pid  2476] <... set_robust_list resumed>) = 0
[pid  2475] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2474] close(3 <unfinished ...>
[pid  2476] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2475] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2474] <... close resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2475] <... futex resumed>)        = 1
[pid  2473] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2476
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2476] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2475] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2474] write(1, "executing program\n", 18 <unfinished ...>
[pid  2473] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2477 attached
executing program
 <unfinished ...>
[pid  2476] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2475] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2474] <... write resumed>)        = 18
[pid  2473] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2476] <... prctl resumed>)        = 0
[pid  2475] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2474] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2473] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2477
[pid  2477] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2476] setpgid(0, 0 <unfinished ...>
[pid  2474] <... futex resumed>)        = 0
[pid  2476] <... setpgid resumed>)      = 0
[pid  2475] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2474] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2477] <... set_robust_list resumed>) = 0
[pid  2475] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2477] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2475] <... futex resumed>)        = 1
[pid  2474] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2473] <... futex resumed>)        = 0
[pid  2476] <... openat resumed>)       = 3
[pid  2475] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2474] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2473] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2477] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2476] write(3, "1000", 4 <unfinished ...>
[pid  2475] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2474] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2473] <... futex resumed>)        = 0
[pid  2477] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2476] <... write resumed>)        = 4
[pid  2475] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2473] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2476] close(3 <unfinished ...>
[pid  2474] <... mmap resumed>)         = 0x7fb4de009000
[pid  2476] <... close resumed>)        = 0
[pid  2474] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2476] write(1, "executing program\n", 18 <unfinished ...>
[pid  2474] <... mprotect resumed>)     = 0
[pid  2476] <... write resumed>)        = 18
executing program
[pid  2476] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2474] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2476] <... futex resumed>)        = 0
[pid  2476] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2474] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2476] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2474] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2476] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 2478 attached
, NULL, 8) = 0
[pid  2478] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2477] <... prctl resumed>)        = 0
[pid  2476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2475] <... openat resumed>)       = 3
[pid  2476] <... mmap resumed>)         = 0x7fb4de009000
[pid  2475] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2477] setpgid(0, 0 <unfinished ...>
[pid  2475] <... futex resumed>)        = 1
[pid  2477] <... setpgid resumed>)      = 0
[pid  2475] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2478] <... set_robust_list resumed>) = 0
[pid  2476] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2474] <... clone3 resumed> => {parent_tid=[2478]}, 88) = 2478
[pid  2473] <... futex resumed>)        = 0
[pid  2478] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2476] <... mprotect resumed>)     = 0
[pid  2474] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2473] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2478] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2476] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2474] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2477] <... openat resumed>)       = 3
[pid  2473] <... futex resumed>)        = 1
[pid  2478] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2477] write(3, "1000", 4 <unfinished ...>
[pid  2476] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2475] <... futex resumed>)        = 0
[pid  2474] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2473] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2478] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2477] <... write resumed>)        = 4
[pid  2476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2475] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2474] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2479 attached
[pid  2478] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2477] close(3 <unfinished ...>
[pid  2475] <... write resumed>)        = 2
[pid  2474] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2478] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2475] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2479] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2478] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2479] <... set_robust_list resumed>) = 0
[pid  2477] <... close resumed>)        = 0
[pid  2475] <... futex resumed>)        = 1
[pid  2473] <... futex resumed>)        = 0
[pid  2479] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2477] write(1, "executing program\n", 18 <unfinished ...>
[pid  2475] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2478] <... futex resumed>)        = 1
[pid  2476] <... clone3 resumed> => {parent_tid=[2479]}, 88) = 2479
[pid  2474] <... futex resumed>)        = 0
[pid  2473] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2478] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2476] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2474] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2473] <... futex resumed>)        = 0
[pid  2478] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2476] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2474] <... futex resumed>)        = 0
[pid  2473] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2478] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
executing program
[pid  2476] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2474] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2479] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2478] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2477] <... write resumed>)        = 18
[pid  2476] <... futex resumed>)        = 0
[pid  2475] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2478] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2477] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2476] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2475] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2479] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2478] <... futex resumed>)        = 1
[pid  2474] <... futex resumed>)        = 0
[pid  2478] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2475] <... openat resumed>)       = 4
[pid  2474] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2479] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2478] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2477] <... futex resumed>)        = 0
[pid  2479] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2475] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2474] <... futex resumed>)        = 0
[pid  2478] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2477] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2476] <... futex resumed>)        = 0
[pid  2474] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2479] <... futex resumed>)        = 1
[pid  2478] <... openat resumed>)       = 3
[pid  2476] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2475] <... futex resumed>)        = 1
[pid  2473] <... futex resumed>)        = 0
[pid  2479] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2478] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2477] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2476] <... futex resumed>)        = 0
[pid  2475] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2473] exit_group(0 <unfinished ...>
[pid  2478] <... futex resumed>)        = 1
[pid  2476] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2475] <... futex resumed>)        = ?
[pid  2474] <... futex resumed>)        = 0
[pid  2473] <... exit_group resumed>)   = ?
[pid  2479] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2478] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2477] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2475] +++ exited with 0 +++
[pid  2474] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2473] +++ exited with 0 +++
[pid  2479] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2477] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2479] <... futex resumed>)        = 1
[pid  2477] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2479] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2473, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2477] <... mmap resumed>)         = 0x7fb4de009000
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2477] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2478] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2476] <... futex resumed>)        = 0
[pid  2474] <... futex resumed>)        = 0
[pid  2478] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2476] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2474] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2478] <... write resumed>)        = 2
[pid  2476] <... futex resumed>)        = 1
[pid  2478] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2476] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2478] <... futex resumed>)        = 1
[pid  2474] <... futex resumed>)        = 0
[pid  2478] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2474] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2478] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2474] <... futex resumed>)        = 0
[pid  2478] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2474] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2478] <... openat resumed>)       = 4
[pid  2478] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2474] <... futex resumed>)        = 0
[pid  2474] exit_group(0)               = ?
[pid  2478] <... futex resumed>)        = ?
[pid  2477] <... mprotect resumed>)     = 0
[pid  2479] <... futex resumed>)        = 0
[pid  2477] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2479] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2477] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2479] <... openat resumed>)       = 3
[pid  2478] +++ exited with 0 +++
[pid  2477] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2474] +++ exited with 0 +++
[pid  2479] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2480 attached
) = 1
[pid  2476] <... futex resumed>)        = 0
[pid  2480] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2479] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2477] <... clone3 resumed> => {parent_tid=[2480]}, 88) = 2480
[pid  2476] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2480] <... set_robust_list resumed>) = 0
[pid  2476] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2474, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2480] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2479] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2477] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2476] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2480] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2479] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2477] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  2480] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2479] <... write resumed>)        = 2
[pid  2477] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2480] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2479] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2477] <... futex resumed>)        = 0
[pid  2480] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2480] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2477] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2480] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2479] <... futex resumed>)        = 1
[pid  2477] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2476] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2481 attached
 <unfinished ...>
[pid  2480] <... futex resumed>)        = 0
[pid  2479] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2477] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2476] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2480] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2479] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2477] <... futex resumed>)        = 0
[pid  2476] <... futex resumed>)        = 0
[pid  2477] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2481] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2479] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2476] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2480] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2480] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2477] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2481
[pid  2480] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2477] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2481] <... set_robust_list resumed>) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2480] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2477] <... futex resumed>)        = 0
[pid  2481] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2480] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2479] <... openat resumed>)       = 4
[pid  2477] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2481] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2480] <... openat resumed>)       = 3
[pid  2479] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2480] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2477] <... futex resumed>)        = 0
[pid  2481] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2480] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2479] <... futex resumed>)        = 1
[pid  2477] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2476] <... futex resumed>)        = 0
[pid  2481] <... prctl resumed>)        = 0
[pid  2480] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2479] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2477] <... futex resumed>)        = 0
[pid  2476] exit_group(0 <unfinished ...>
[pid  2481] setpgid(0, 0 <unfinished ...>
[pid  2480] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2479] <... futex resumed>)        = ?
[pid  2477] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2476] <... exit_group resumed>)   = ?
[pid  2481] <... setpgid resumed>)      = 0
[pid  2480] <... write resumed>)        = 2
[pid  2480] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2477] <... futex resumed>)        = 0
[pid  2480] <... futex resumed>)        = 1
[pid  2477] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2480] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2477] <... futex resumed>)        = 0
[pid  2480] <... openat resumed>)       = 4
[pid  2477] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2480] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2477] <... futex resumed>)        = 0
[pid  2480] <... futex resumed>)        = 1
[pid  2477] exit_group(0 <unfinished ...>
[pid  2479] +++ exited with 0 +++
[pid  2477] <... exit_group resumed>)   = ?
[pid  2476] +++ exited with 0 +++
[pid  2481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2480] +++ exited with 0 +++
[pid  2477] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2476, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2481] <... openat resumed>)       = 3
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2477, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2481] write(3, "1000", 4 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2481] <... write resumed>)        = 4
[pid  2481] close(3)                    = 0
[pid  2481] write(1, "executing program\n", 18) = 18
executing program
[pid  2481] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2481] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2481] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2481] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2481] <... mmap resumed>)         = 0x7fb4de009000
[pid  2481] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2481] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2481] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2481] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2481] <... clone3 resumed> => {parent_tid=[2482]}, 88) = 2482
[pid  2481] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2481] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2481] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2482 attached
 <unfinished ...>
[pid  2482] set_robust_list(0x7fb4de0299a0, 24ci2-android-6-12-rust/strace-static-x86_64: Process 2483 attached
) = 0
[pid  2482] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2483
[pid  2483] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2482] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2483] <... set_robust_list resumed>) = 0
[pid  2482] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2482] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2482] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2483] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2482] <... futex resumed>)        = 1
[pid  2481] <... futex resumed>)        = 0
[pid  2481] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2483] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2482] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2481] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2482] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2483] setpgid(0, 0 <unfinished ...>
[pid  2482] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2483] <... setpgid resumed>)      = 0
[pid  2482] <... futex resumed>)        = 1
[pid  2481] <... futex resumed>)        = 0
[pid  2483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2482] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2481] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2482] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2481] <... futex resumed>)        = 0
[pid  2483] <... openat resumed>)       = 3
[pid  2482] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2481] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2482] <... openat resumed>)       = 3
[pid  2483] write(3, "1000", 4)         = 4
[pid  2483] close(3)                    = 0
[pid  2483] write(1, "executing program\n", 18) = 18
executing program
[pid  2483] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2483] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2483] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2483] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2482] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2483] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2482] <... futex resumed>)        = 1
[pid  2481] <... futex resumed>)        = 0
[pid  2481] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2482] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2483] <... mprotect resumed>)     = 0
[pid  2482] <... write resumed>)        = 2
[pid  2481] <... futex resumed>)        = 0
[pid  2483] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2482] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2481] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2483] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2481] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2483] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2482] <... futex resumed>)        = 0
[pid  2481] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2484 attached
) = 0
[pid  2481] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2482] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2484] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2483] <... clone3 resumed> => {parent_tid=[2484]}, 88) = 2484
[pid  2483] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2482] <... openat resumed>)       = 4
[pid  2484] <... set_robust_list resumed>) = 0
[pid  2483] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2482] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2484] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2483] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2484] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2482] <... futex resumed>)        = 1
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2483] <... futex resumed>)        = 0
[pid  2481] <... futex resumed>)        = 0
[pid  2484] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2483] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2482] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2481] exit_group(0 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2484] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2482] <... futex resumed>)        = ?
[pid  2481] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 2485 attached
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2486 attached
 <unfinished ...>
[pid  2484] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2482] +++ exited with 0 +++
[pid  2481] +++ exited with 0 +++
[pid  2485] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2484] <... futex resumed>)        = 1
[pid  2486] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2485] <... set_robust_list resumed>) = 0
[pid  2484] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2485
[pid  2486] <... set_robust_list resumed>) = 0
[pid  2485] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2486] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2485] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2483] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2486
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2485] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2483] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2481, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2486] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2484] <... futex resumed>)        = 0
[pid  2483] <... futex resumed>)        = 1
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2485] <... prctl resumed>)        = 0
[pid  2484] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2483] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2486] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2485] setpgid(0, 0 <unfinished ...>
[pid  2484] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2485] <... setpgid resumed>)      = 0
[pid  2484] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2486] <... prctl resumed>)        = 0
[pid  2485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2484] <... futex resumed>)        = 1
[pid  2483] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2486] setpgid(0, 0 <unfinished ...>
[pid  2485] <... openat resumed>)       = 3
[pid  2484] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2483] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2486] <... setpgid resumed>)      = 0
[pid  2484] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2483] <... futex resumed>)        = 0
[pid  2483] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2485] write(3, "1000", 4 <unfinished ...>
[pid  2484] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2487
ci2-android-6-12-rust/strace-static-x86_64: Process 2487 attached
[pid  2485] <... write resumed>)        = 4
[pid  2484] <... openat resumed>)       = 3
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2484] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2483] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2487] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2486] <... openat resumed>)       = 3
[pid  2485] close(3 <unfinished ...>
[pid  2484] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2483] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2487] <... set_robust_list resumed>) = 0
[pid  2485] <... close resumed>)        = 0
[pid  2484] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2483] <... futex resumed>)        = 0
[pid  2487] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2486] write(3, "1000", 4 <unfinished ...>
[pid  2485] write(1, "executing program\n", 18 <unfinished ...>
[pid  2484] write(3, "\x38\x00", 2 <unfinished ...>
executing program
[pid  2483] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2487] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2486] <... write resumed>)        = 4
[pid  2485] <... write resumed>)        = 18
[pid  2484] <... write resumed>)        = 2
[pid  2485] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2484] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2486] close(3 <unfinished ...>
[pid  2487] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2485] <... futex resumed>)        = 0
[pid  2483] <... futex resumed>)        = 0
[pid  2486] <... close resumed>)        = 0
[pid  2485] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2484] <... futex resumed>)        = 1
[pid  2483] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2487] <... prctl resumed>)        = 0
[pid  2486] write(1, "executing program\n", 18 <unfinished ...>
[pid  2485] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2484] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2483] <... futex resumed>)        = 0
[pid  2487] setpgid(0, 0 <unfinished ...>
[pid  2486] <... write resumed>)        = 18
executing program
[pid  2485] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2484] <... openat resumed>)       = 4
[pid  2483] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2487] <... setpgid resumed>)      = 0
[pid  2486] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2485] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2484] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2483] <... futex resumed>)        = 0
[pid  2486] <... futex resumed>)        = 0
[pid  2485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2484] <... futex resumed>)        = 1
[pid  2483] exit_group(0 <unfinished ...>
[pid  2485] <... mmap resumed>)         = 0x7fb4de009000
[pid  2483] <... exit_group resumed>)   = ?
[pid  2487] <... openat resumed>)       = 3
[pid  2486] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2485] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2484] +++ exited with 0 +++
[pid  2483] +++ exited with 0 +++
[pid  2487] write(3, "1000", 4 <unfinished ...>
[pid  2486] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2485] <... mprotect resumed>)     = 0
[pid  2486] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2487] <... write resumed>)        = 4
[pid  2485] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2487] close(3 <unfinished ...>
[pid  2486] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2483, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2485] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2488 attached
 <unfinished ...>
[pid  2488] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2485] <... clone3 resumed> => {parent_tid=[2488]}, 88) = 2488
[pid  2488] <... set_robust_list resumed>) = 0
[pid  2485] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2488] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2485] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2488] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2487] <... close resumed>)        = 0
[pid  2485] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2486] <... mmap resumed>)         = 0x7fb4de009000
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2488] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2487] write(1, "executing program\n", 18 <unfinished ...>
[pid  2486] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2487] <... write resumed>)        = 18
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2486] <... mprotect resumed>)     = 0
[pid  2487] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2488] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2485] <... futex resumed>)        = 0
[pid  2488] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2485] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2488] <... futex resumed>)        = 0
[pid  2485] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2488] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2485] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2488] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2485] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2489 attached
executing program
[pid  2488] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2487] <... futex resumed>)        = 0
[pid  2486] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2485] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2489] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2488] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2487] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2486] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2489] <... set_robust_list resumed>) = 0
[pid  2488] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2489] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2485] <... futex resumed>)        = 0
[pid  2488] <... futex resumed>)        = 1
[pid  2487] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2486] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2485] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2489] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2488] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2487] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2485] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2490 attached
[pid  2489] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2488] <... openat resumed>)       = 3
[pid  2487] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2485] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2489
[pid  2490] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2488] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2487] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2486] <... clone3 resumed> => {parent_tid=[2490]}, 88) = 2490
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2487] <... mmap resumed>)         = 0x7fb4de009000
[pid  2486] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2487] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2486] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2486] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2490] <... set_robust_list resumed>) = 0
[pid  2489] <... prctl resumed>)        = 0
[pid  2488] <... futex resumed>)        = 1
[pid  2486] <... futex resumed>)        = 0
[pid  2485] <... futex resumed>)        = 0
[pid  2490] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2489] setpgid(0, 0 <unfinished ...>
[pid  2488] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2485] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2490] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2489] <... setpgid resumed>)      = 0
[pid  2488] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2487] <... mprotect resumed>)     = 0
[pid  2486] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2485] <... futex resumed>)        = 0
[pid  2490] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2488] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2485] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2490] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2489] <... openat resumed>)       = 3
[pid  2488] <... write resumed>)        = 2
[pid  2487] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2490] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2488] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2490] <... futex resumed>)        = 1
[pid  2489] write(3, "1000", 4 <unfinished ...>
[pid  2488] <... futex resumed>)        = 1
[pid  2486] <... futex resumed>)        = 0
[pid  2485] <... futex resumed>)        = 0
[pid  2490] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2489] <... write resumed>)        = 4
[pid  2488] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2487] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2486] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2485] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2490] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2489] close(3 <unfinished ...>
[pid  2488] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2487] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2486] <... futex resumed>)        = 0
[pid  2485] <... futex resumed>)        = 0
[pid  2490] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2489] <... close resumed>)        = 0
[pid  2488] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2486] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2485] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2491 attached
 <unfinished ...>
[pid  2490] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2489] write(1, "executing program\n", 18 <unfinished ...>
[pid  2488] <... openat resumed>)       = 4
[pid  2491] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
executing program
[pid  2490] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2489] <... write resumed>)        = 18
[pid  2491] <... set_robust_list resumed>) = 0
[pid  2490] <... futex resumed>)        = 1
[pid  2489] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2488] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2487] <... clone3 resumed> => {parent_tid=[2491]}, 88) = 2491
[pid  2486] <... futex resumed>)        = 0
[pid  2491] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2487] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2486] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2491] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2487] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2486] <... futex resumed>)        = 0
[pid  2491] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2487] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2486] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2491] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2487] <... futex resumed>)        = 0
[pid  2490] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2489] <... futex resumed>)        = 0
[pid  2488] <... futex resumed>)        = 1
[pid  2485] <... futex resumed>)        = 0
[pid  2491] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2490] <... openat resumed>)       = 3
[pid  2489] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2488] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2487] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2485] exit_group(0 <unfinished ...>
[pid  2491] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2490] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2489] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2488] <... futex resumed>)        = ?
[pid  2485] <... exit_group resumed>)   = ?
[pid  2491] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2490] <... futex resumed>)        = 1
[pid  2489] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2488] +++ exited with 0 +++
[pid  2486] <... futex resumed>)        = 0
[pid  2485] +++ exited with 0 +++
[pid  2491] <... futex resumed>)        = 1
[pid  2490] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2489] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2487] <... futex resumed>)        = 0
[pid  2486] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2491] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2490] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2489] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2487] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2486] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2485, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2491] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2490] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2489] <... mmap resumed>)         = 0x7fb4de009000
[pid  2487] <... futex resumed>)        = 0
[pid  2486] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2491] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2490] <... write resumed>)        = 2
[pid  2489] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2487] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2490] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2489] <... mprotect resumed>)     = 0
[pid  2491] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2490] <... futex resumed>)        = 1
[pid  2489] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2486] <... futex resumed>)        = 0
[pid  2490] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2489] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2486] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2491] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2490] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2489] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2486] <... futex resumed>)        = 0
[pid  2491] <... futex resumed>)        = 1
[pid  2490] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2487] <... futex resumed>)        = 0
[pid  2486] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2492 attached
 <unfinished ...>
[pid  2491] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2490] <... openat resumed>)       = 4
[pid  2489] <... clone3 resumed> => {parent_tid=[2492]}, 88) = 2492
[pid  2487] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2492] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2491] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2487] <... futex resumed>)        = 0
[pid  2492] <... set_robust_list resumed>) = 0
[pid  2491] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2492] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2487] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2491] <... openat resumed>)       = 3
[pid  2490] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2489] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2490] <... futex resumed>)        = 1
[pid  2489] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2486] <... futex resumed>)        = 0
[pid  2492] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2490] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2489] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2491] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2486] exit_group(0 <unfinished ...>
[pid  2491] <... futex resumed>)        = 1
[pid  2490] <... futex resumed>)        = ?
[pid  2489] <... futex resumed>)        = 0
[pid  2487] <... futex resumed>)        = 0
[pid  2486] <... exit_group resumed>)   = ?
[pid  2492] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2491] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2490] +++ exited with 0 +++
[pid  2489] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2487] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2486] +++ exited with 0 +++
[pid  2492] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2491] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2487] <... futex resumed>)        = 0
[pid  2492] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2491] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2487] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2491] <... write resumed>)        = 2
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2486, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2491] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2492] <... futex resumed>)        = 1
[pid  2491] <... futex resumed>)        = 1
[pid  2489] <... futex resumed>)        = 0
[pid  2487] <... futex resumed>)        = 0
[pid  2492] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2491] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2489] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2487] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2489] <... futex resumed>)        = 0
[pid  2489] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2492] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2491] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2491] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2487] <... futex resumed>)        = 0
[pid  2492] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2487] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2492] <... futex resumed>)        = 1
[pid  2491] <... openat resumed>)       = 4
[pid  2489] <... futex resumed>)        = 0
[pid  2492] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2491] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2489] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2492] <... futex resumed>)        = 0
[pid  2491] <... futex resumed>)        = 1
[pid  2489] <... futex resumed>)        = 1
[pid  2487] <... futex resumed>)        = 0
[pid  2492] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2491] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2489] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2487] exit_group(0 <unfinished ...>
[pid  2492] <... openat resumed>)       = 3
[pid  2491] <... futex resumed>)        = ?
[pid  2487] <... exit_group resumed>)   = ?
[pid  2492] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2491] +++ exited with 0 +++
[pid  2492] <... futex resumed>)        = 1
[pid  2489] <... futex resumed>)        = 0
[pid  2492] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2489] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2492] <... futex resumed>)        = 0
[pid  2489] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2492] write(3, "\x38\x00", 2)     = 2
[pid  2487] +++ exited with 0 +++
[pid  2492] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2489] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2487, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2489] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2492] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2489] <... futex resumed>)        = 0
[pid  2489] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2492] <... openat resumed>)       = 4
[pid  2492] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2489] <... futex resumed>)        = 0
[pid  2492] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2489] exit_group(0)               = ?
[pid  2492] <... futex resumed>)        = ?
[pid  2492] +++ exited with 0 +++
[pid  2489] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2489, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2493 attached
, child_tidptr=0x55557716c690) = 2493
[pid   312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2493] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2493] <... set_robust_list resumed>) = 0
[pid  2493] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2493] setpgid(0, 0)               = 0
[pid  2493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2493] <... openat resumed>)       = 3
[pid  2493] write(3, "1000", 4 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2493] <... write resumed>)        = 4
[pid  2493] close(3)                    = 0
[pid  2493] write(1, "executing program\n", 18) = 18
[pid  2493] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2493] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2494 attached
[pid  2493] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2494] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2493] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  2493] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2494] <... set_robust_list resumed>) = 0
[pid  2493] <... mmap resumed>)         = 0x7fb4de009000
[pid  2494] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2493] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2494] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2493] <... mprotect resumed>)     = 0
[pid  2494] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2494
[pid  2494] <... prctl resumed>)        = 0
[pid  2493] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2494] setpgid(0, 0 <unfinished ...>
[pid  2493] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2494] <... setpgid resumed>)      = 0
[pid  2493] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2495 attached
 <unfinished ...>
[pid  2494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-12-rust/strace-static-x86_64: Process 2496 attached
) = 3
[pid  2493] <... clone3 resumed> => {parent_tid=[2495]}, 88) = 2495
[pid  2495] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2496
[pid  2496] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2495] <... set_robust_list resumed>) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2495] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2494] write(3, "1000", 4 <unfinished ...>
[pid  2493] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2496] <... set_robust_list resumed>) = 0
[pid  2494] <... write resumed>)        = 4
[pid  2493] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2496] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2495] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2494] close(3 <unfinished ...>
[pid  2493] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2496] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2495] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2494] <... close resumed>)        = 0
[pid  2493] <... futex resumed>)        = 0
[pid  2495] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2494] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  2493] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2496] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2495] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2494] <... write resumed>)        = 18
[pid  2493] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2494] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2493] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2494] <... futex resumed>)        = 0
[pid  2493] <... futex resumed>)        = 0
[pid  2494] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2493] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2494] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2494] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2494] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2495] <... futex resumed>)        = 1
[pid  2494] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2493] <... futex resumed>)        = 0
[pid  2496] <... prctl resumed>)        = 0
[pid  2493] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} <unfinished ...>
[pid  2496] setpgid(0, 0 <unfinished ...>
[pid  2495] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2494] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2496] <... setpgid resumed>)      = 0
[pid  2494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2495] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-12-rust/strace-static-x86_64: Process 2497 attached
 <unfinished ...>
[pid  2497] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2496] <... openat resumed>)       = 3
[pid  2495] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2497] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2494] <... clone3 resumed> => {parent_tid=[2497]}, 88) = 2497
[pid  2496] write(3, "1000", 4 <unfinished ...>
[pid  2497] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2495] <... futex resumed>)        = 1
[pid  2494] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2493] <... futex resumed>)        = 0
[pid  2497] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2494] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2493] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2496] <... write resumed>)        = 4
[pid  2495] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2496] close(3 <unfinished ...>
[pid  2494] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2495] <... openat resumed>)       = 3
[pid  2493] <... futex resumed>)        = 0
[pid  2497] <... futex resumed>)        = 0
[pid  2496] <... close resumed>)        = 0
[pid  2495] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2494] <... futex resumed>)        = 1
[pid  2493] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2497] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2496] write(1, "executing program\n", 18 <unfinished ...>
[pid  2495] <... futex resumed>)        = 0
executing program
[pid  2494] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2493] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2497] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2496] <... write resumed>)        = 18
[pid  2495] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2493] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2497] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2496] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2495] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2497] <... futex resumed>)        = 1
[pid  2496] <... futex resumed>)        = 0
[pid  2494] <... futex resumed>)        = 0
[pid  2493] <... futex resumed>)        = 0
[pid  2497] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2496] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2495] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2494] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2493] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2497] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2496] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2495] <... write resumed>)        = 2
[pid  2494] <... futex resumed>)        = 0
[pid  2497] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2496] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2495] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2494] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2497] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2496] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2495] <... futex resumed>)        = 1
[pid  2493] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2498 attached
 <unfinished ...>
[pid  2497] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2496] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2495] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2493] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2497] <... futex resumed>)        = 1
[pid  2496] <... mmap resumed>)         = 0x7fb4de009000
[pid  2495] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2494] <... futex resumed>)        = 0
[pid  2493] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2498
[pid  2498] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2497] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2496] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2495] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2494] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2493] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2498] <... set_robust_list resumed>) = 0
[pid  2497] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2494] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2496] <... mprotect resumed>)     = 0
[pid  2496] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2495] <... openat resumed>)       = 4
[pid  2497] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2494] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2498] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2495] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2496] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2498] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2497] <... openat resumed>)       = 3
[pid  2496] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2495] <... futex resumed>)        = 1
[pid  2493] <... futex resumed>)        = 0
[pid  2498] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2497] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2495] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2493] exit_group(0 <unfinished ...>
[pid  2497] <... futex resumed>)        = 1
[pid  2494] <... futex resumed>)        = 0
[pid  2498] <... prctl resumed>)        = 0
[pid  2497] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2494] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2499 attached
 <unfinished ...>
[pid  2498] setpgid(0, 0 <unfinished ...>
[pid  2497] <... write resumed>)        = 2
[pid  2496] <... clone3 resumed> => {parent_tid=[2499]}, 88) = 2499
[pid  2494] <... futex resumed>)        = 0
[pid  2499] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2496] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2497] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2494] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2498] <... setpgid resumed>)      = 0
[pid  2499] <... set_robust_list resumed>) = 0
[pid  2497] <... futex resumed>)        = 0
[pid  2496] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2495] <... futex resumed>)        = ?
[pid  2494] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2499] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2497] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2496] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2495] +++ exited with 0 +++
[pid  2494] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2493] <... exit_group resumed>)   = ?
[pid  2499] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2497] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2496] <... futex resumed>)        = 0
[pid  2494] <... futex resumed>)        = 0
[pid  2499] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2498] <... openat resumed>)       = 3
[pid  2497] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2496] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2494] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2499] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2499] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2496] <... futex resumed>)        = 0
[pid  2499] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2496] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2499] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2496] <... futex resumed>)        = 0
[pid  2499] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2496] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2499] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2493] +++ exited with 0 +++
[pid  2497] <... openat resumed>)       = 4
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2493, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2499] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2496] <... futex resumed>)        = 0
[pid  2499] <... futex resumed>)        = 1
[pid  2496] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2499] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2496] <... futex resumed>)        = 0
[pid  2499] <... openat resumed>)       = 3
[pid  2496] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2499] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2496] <... futex resumed>)        = 0
[pid  2499] <... futex resumed>)        = 1
[pid  2496] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2499] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2496] <... futex resumed>)        = 0
[pid  2499] <... write resumed>)        = 2
[pid  2496] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2499] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2496] <... futex resumed>)        = 0
[pid  2499] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2496] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2499] <... openat resumed>)       = 4
[pid  2498] write(3, "1000", 4 <unfinished ...>
[pid  2497] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2496] <... futex resumed>)        = 0
[pid  2498] <... write resumed>)        = 4
[pid  2497] <... futex resumed>)        = 1
[pid  2494] <... futex resumed>)        = 0
[pid  2499] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2496] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2499] <... futex resumed>)        = 0
[pid  2496] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2499] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2498] close(3 <unfinished ...>
[pid  2497] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2496] exit_group(0 <unfinished ...>
[pid  2494] exit_group(0 <unfinished ...>
[pid  2499] <... futex resumed>)        = ?
[pid  2498] <... close resumed>)        = 0
[pid  2499] +++ exited with 0 +++
[pid  2498] write(1, "executing program\n", 18 <unfinished ...>
[pid  2497] <... futex resumed>)        = ?
[pid  2496] <... exit_group resumed>)   = ?
executing program
[pid  2494] <... exit_group resumed>)   = ?
[pid  2498] <... write resumed>)        = 18
[pid  2497] +++ exited with 0 +++
[pid  2496] +++ exited with 0 +++
[pid  2498] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2498] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2498] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2494] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2496, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2498] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2494, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2498] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2498] <... mprotect resumed>)     = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2498] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2498] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2498] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2500 attached
 <unfinished ...>
[pid  2500] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2498] <... clone3 resumed> => {parent_tid=[2500]}, 88) = 2500
[pid  2500] <... set_robust_list resumed>) = 0
[pid  2498] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2501 attached
 <unfinished ...>
[pid  2500] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2498] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2501
[pid  2501] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2500] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2498] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2501] <... set_robust_list resumed>) = 0
[pid  2500] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2498] <... futex resumed>)        = 0
[pid  2501] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2500] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2498] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2501] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2500] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2501] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2500] <... futex resumed>)        = 1
[pid  2498] <... futex resumed>)        = 0
[pid  2501] <... prctl resumed>)        = 0
[pid  2500] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2498] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2501] setpgid(0, 0 <unfinished ...>
[pid  2500] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2498] <... futex resumed>)        = 0
[pid  2501] <... setpgid resumed>)      = 0
[pid  2500] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2500] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2498] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2501] <... openat resumed>)       = 3
[pid  2500] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2500] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2498] <... futex resumed>)        = 0
[pid  2501] write(3, "1000", 4 <unfinished ...>
[pid  2498] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2501] <... write resumed>)        = 4
[pid  2500] <... futex resumed>)        = 0
[pid  2498] <... futex resumed>)        = 1
[pid  2501] close(3 <unfinished ...>
[pid  2500] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2501] <... close resumed>)        = 0
[pid  2500] <... openat resumed>)       = 3
[pid  2498] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2501] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  2500] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2501] <... write resumed>)        = 18
[pid  2500] <... futex resumed>)        = 1
[pid  2498] <... futex resumed>)        = 0
[pid  2501] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2500] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2498] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2501] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2500] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2498] <... futex resumed>)        = 0
[pid  2501] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2500] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2498] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2501] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2500] <... write resumed>)        = 2
[pid  2501] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2500] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2501] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2500] <... futex resumed>)        = 1
[pid  2498] <... futex resumed>)        = 0
[pid  2501] <... mmap resumed>)         = 0x7fb4de009000
[pid  2500] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2498] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2501] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2500] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2498] <... futex resumed>)        = 0
[pid  2501] <... mprotect resumed>)     = 0
[pid  2500] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2498] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2501] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2500] <... openat resumed>)       = 4
[pid  2501] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  2501] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2500] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2498] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2502 attached
 <unfinished ...>
[pid  2501] <... clone3 resumed> => {parent_tid=[2502]}, 88) = 2502
[pid  2500] <... futex resumed>)        = 1
[pid  2498] exit_group(0 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2501] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2500] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2501] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2500] <... futex resumed>)        = ?
[pid  2498] <... exit_group resumed>)   = ?
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2502] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2501] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2500] +++ exited with 0 +++
[pid  2498] +++ exited with 0 +++
[pid  2501] <... futex resumed>)        = 0
[pid  2501] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2498, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 2503 attached
 <unfinished ...>
[pid  2502] <... set_robust_list resumed>) = 0
[pid  2502] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2503
[pid  2502] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2503] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2502] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2503] <... set_robust_list resumed>) = 0
[pid  2502] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2503] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2502] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2503] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2502] <... futex resumed>)        = 1
[pid  2503] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2502] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2501] <... futex resumed>)        = 0
[pid  2503] <... prctl resumed>)        = 0
[pid  2501] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2503] setpgid(0, 0 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2503] <... setpgid resumed>)      = 0
[pid  2502] <... futex resumed>)        = 0
[pid  2501] <... futex resumed>)        = 1
[pid  2503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2502] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2501] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2503] <... openat resumed>)       = 3
[pid  2502] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2502] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2501] <... futex resumed>)        = 0
[pid  2501] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2502] <... futex resumed>)        = 1
[pid  2501] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2502] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  2502] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2501] <... futex resumed>)        = 0
[pid  2502] <... futex resumed>)        = 1
[pid  2501] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2503] write(3, "1000", 4 <unfinished ...>
[pid  2502] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2501] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2503] <... write resumed>)        = 4
[pid  2502] <... write resumed>)        = 2
[pid  2501] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2503] close(3 <unfinished ...>
[pid  2502] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2501] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2502] <... futex resumed>)        = 0
[pid  2501] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2502] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2501] <... futex resumed>)        = 0
[pid  2502] <... openat resumed>)       = 4
[pid  2501] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2502] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2501] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2504 attached
[pid  2503] <... close resumed>)        = 0
[pid  2502] <... futex resumed>)        = 1
[pid  2501] exit_group(0 <unfinished ...>
[pid  2503] write(1, "executing program\n", 18 <unfinished ...>
[pid  2502] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid  2501] <... exit_group resumed>)   = ?
[pid  2502] +++ exited with 0 +++
[pid  2503] <... write resumed>)        = 18
[pid  2504] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2503] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2501] +++ exited with 0 +++
executing program
[pid  2503] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2501, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2504
[pid  2504] <... set_robust_list resumed>) = 0
[pid  2503] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2504] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2503] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2503] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2503] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2504] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2504] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2503] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2504] <... prctl resumed>)        = 0
[pid  2503] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2504] setpgid(0, 0 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2504] <... setpgid resumed>)      = 0
[pid  2503] <... mprotect resumed>)     = 0
[pid  2504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2503] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2504] <... openat resumed>)       = 3
[pid  2504] write(3, "1000", 4)         = 4
[pid  2504] close(3)                    = 0
[pid  2504] write(1, "executing program\n", 18ci2-android-6-12-rust/strace-static-x86_64: Process 2505 attached
executing program
) = 18
[pid  2505] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2504] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2505] <... set_robust_list resumed>) = 0
[pid  2505] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2504] <... futex resumed>)        = 0
[pid  2504] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2505] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2504] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2505] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2504] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2505] <... prctl resumed>)        = 0
[pid  2504] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  2505] setpgid(0, 0 <unfinished ...>
[pid  2504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2505] <... setpgid resumed>)      = 0
[pid  2504] <... mmap resumed>)         = 0x7fb4de009000
[pid  2503] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2505
[pid  2505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2503] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2505] <... openat resumed>)       = 3
[pid  2504] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2506 attached
 <unfinished ...>
[pid  2505] write(3, "1000", 4 <unfinished ...>
[pid  2504] <... mprotect resumed>)     = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2506] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2505] <... write resumed>)        = 4
[pid  2504] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2503] <... clone3 resumed> => {parent_tid=[2506]}, 88) = 2506
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2507 attached
 <unfinished ...>
[pid  2506] <... set_robust_list resumed>) = 0
[pid  2505] close(3 <unfinished ...>
[pid  2504] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2503] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2506] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2505] <... close resumed>)        = 0
[pid  2504] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2508 attached
 <unfinished ...>
[pid  2506] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2506] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2505] write(1, "executing program\n", 18) = 18
executing program
[pid  2505] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2508] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2504] <... clone3 resumed> => {parent_tid=[2508]}, 88) = 2508
[pid  2508] <... set_robust_list resumed>) = 0
[pid  2505] <... futex resumed>)        = 0
[pid  2504] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2507
[pid  2508] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2507] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2505] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2504] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2503] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2508] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2507] <... set_robust_list resumed>) = 0
[pid  2505] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2504] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2503] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2508] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2505] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2504] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2508] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2507] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2506] <... futex resumed>)        = 0
[pid  2505] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2504] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2503] <... futex resumed>)        = 1
[pid  2508] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2507] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2506] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2504] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2503] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2508] <... futex resumed>)        = 0
[pid  2507] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2506] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2505] <... mmap resumed>)         = 0x7fb4de009000
[pid  2504] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2508] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2507] <... prctl resumed>)        = 0
[pid  2506] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2505] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2504] <... futex resumed>)        = 0
[pid  2508] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2507] setpgid(0, 0 <unfinished ...>
[pid  2506] <... futex resumed>)        = 1
[pid  2505] <... mprotect resumed>)     = 0
[pid  2504] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2503] <... futex resumed>)        = 0
[pid  2507] <... setpgid resumed>)      = 0
[pid  2506] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2505] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2503] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2508] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2506] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2505] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2503] <... futex resumed>)        = 0
[pid  2508] <... futex resumed>)        = 1
[pid  2506] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2505] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2504] <... futex resumed>)        = 0
[pid  2508] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2506] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2504] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2503] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2509 attached
 <unfinished ...>
[pid  2508] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2506] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2503] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2508] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2506] <... futex resumed>)        = 0
[pid  2505] <... clone3 resumed> => {parent_tid=[2509]}, 88) = 2509
[pid  2504] <... futex resumed>)        = 0
[pid  2503] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2507] <... openat resumed>)       = 3
[pid  2509] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2508] <... openat resumed>)       = 3
[pid  2507] write(3, "1000", 4 <unfinished ...>
[pid  2506] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2505] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2504] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2503] <... futex resumed>)        = 0
[pid  2509] <... set_robust_list resumed>) = 0
[pid  2508] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2507] <... write resumed>)        = 4
[pid  2506] <... openat resumed>)       = 3
[pid  2505] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2504] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2503] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2509] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2508] <... futex resumed>)        = 0
[pid  2507] close(3 <unfinished ...>
[pid  2506] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2505] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2504] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2509] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2508] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2507] <... close resumed>)        = 0
[pid  2506] <... futex resumed>)        = 0
[pid  2505] <... futex resumed>)        = 0
[pid  2504] <... futex resumed>)        = 0
[pid  2503] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2509] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2508] <... write resumed>)        = 2
[pid  2507] write(1, "executing program\n", 18 <unfinished ...>
[pid  2506] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2505] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2504] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2503] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2509] <... mkdirat resumed>)      = -1 EEXIST (File exists)
executing program
[pid  2508] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2507] <... write resumed>)        = 18
[pid  2506] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2504] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2503] <... futex resumed>)        = 0
[pid  2509] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2507] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2503] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2509] <... futex resumed>)        = 1
[pid  2508] <... futex resumed>)        = 0
[pid  2507] <... futex resumed>)        = 0
[pid  2506] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2505] <... futex resumed>)        = 0
[pid  2504] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2509] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2508] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2507] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2506] <... write resumed>)        = 2
[pid  2505] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2504] <... futex resumed>)        = 0
[pid  2509] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2508] <... openat resumed>)       = 4
[pid  2507] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2506] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2505] <... futex resumed>)        = 0
[pid  2504] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2509] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2508] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2507] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2506] <... futex resumed>)        = 1
[pid  2505] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2503] <... futex resumed>)        = 0
[pid  2508] <... futex resumed>)        = 1
[pid  2507] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2506] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2504] <... futex resumed>)        = 0
[pid  2509] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2508] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2506] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2504] exit_group(0 <unfinished ...>
[pid  2503] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2509] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2508] <... futex resumed>)        = ?
[pid  2506] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2504] <... exit_group resumed>)   = ?
[pid  2503] <... futex resumed>)        = 0
[pid  2509] <... futex resumed>)        = 1
[pid  2508] +++ exited with 0 +++
[pid  2507] <... mmap resumed>)         = 0x7fb4de009000
[pid  2506] <... openat resumed>)       = 4
[pid  2505] <... futex resumed>)        = 0
[pid  2504] +++ exited with 0 +++
[pid  2503] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2509] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2507] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2506] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2505] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2504, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2507] <... mprotect resumed>)     = 0
[pid  2506] <... futex resumed>)        = 1
[pid  2505] <... futex resumed>)        = 1
[pid  2503] <... futex resumed>)        = 0
[pid  2509] <... futex resumed>)        = 0
[pid  2507] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2506] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2505] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2503] exit_group(0 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2509] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2507] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2506] <... futex resumed>)        = ?
[pid  2503] <... exit_group resumed>)   = ?
[pid  2509] <... openat resumed>)       = 3
[pid  2507] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2506] +++ exited with 0 +++
[pid  2503] +++ exited with 0 +++
[pid  2509] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2510 attached
) = 1
[pid  2505] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2503, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2509] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2507] <... clone3 resumed> => {parent_tid=[2510]}, 88) = 2510
[pid  2510] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2507] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2510] <... set_robust_list resumed>) = 0
[pid  2507] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2510] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2507] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2510] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2507] <... futex resumed>)        = 0
[pid  2510] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2507] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2505] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2509] <... futex resumed>)        = 0
[pid  2505] <... futex resumed>)        = 1
[pid  2509] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2505] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2509] <... write resumed>)        = 2
[pid  2509] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2505] <... futex resumed>)        = 0
[pid  2509] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2505] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2509] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2505] <... futex resumed>)        = 0
[pid  2509] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2505] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2509] <... openat resumed>)       = 4
[pid  2509] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2505] <... futex resumed>)        = 0
[pid  2509] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2505] exit_group(0 <unfinished ...>
[pid  2509] <... futex resumed>)        = ?
[pid  2505] <... exit_group resumed>)   = ?
[pid  2510] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2509] +++ exited with 0 +++
[pid  2505] +++ exited with 0 +++
[pid  2510] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2507] <... futex resumed>)        = 0
[pid  2510] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2507] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2505, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2510] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2507] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2510] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2507] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2510] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   312] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2510] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2510] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2507] <... futex resumed>)        = 0
[pid  2507] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2510] <... futex resumed>)        = 0
[pid  2507] <... futex resumed>)        = 1
[pid  2510] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2507] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2510] <... openat resumed>)       = 3
[pid  2510] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2507] <... futex resumed>)        = 0
[pid  2510] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2507] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2510] <... futex resumed>)        = 0
[pid  2507] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 2511 attached
[pid  2510] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2511] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2510] <... write resumed>)        = 2
[pid  2507] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2511
[pid  2511] <... set_robust_list resumed>) = 0
[pid  2510] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2507] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2510] <... futex resumed>)        = 0
[pid  2511] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2510] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2507] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2510] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2510] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2507] <... futex resumed>)        = 0
[pid  2511] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2510] <... openat resumed>)       = 4
[pid  2510] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2511] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2510] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2507] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  2511] <... prctl resumed>)        = 0
[pid  2511] setpgid(0, 0 <unfinished ...>
[pid  2507] exit_group(0 <unfinished ...>
[pid  2511] <... setpgid resumed>)      = 0
[pid  2507] <... exit_group resumed>)   = ?
[pid  2510] <... futex resumed>)        = ?
[pid  2511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2510] +++ exited with 0 +++
[pid  2511] <... openat resumed>)       = 3
[pid  2511] write(3, "1000", 4)         = 4
[pid  2511] close(3 <unfinished ...>
[pid  2507] +++ exited with 0 +++
[pid  2511] <... close resumed>)        = 0
[pid  2511] write(1, "executing program\n", 18 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2507, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2511] <... write resumed>)        = 18
executing program
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2511] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2511] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2511] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2511] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2511] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2511] <... mprotect resumed>)     = 0
[pid  2511] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2511] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2512 attached
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2511] <... clone3 resumed> => {parent_tid=[2512]}, 88) = 2512
[pid  2511] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2511] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2511] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2513 attached
 <unfinished ...>
[pid  2513] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2512] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2513] <... set_robust_list resumed>) = 0
[pid  2512] <... set_robust_list resumed>) = 0
[pid  2513] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2512] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2513
[pid  2513] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2512] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2513] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2513] <... prctl resumed>)        = 0
[pid  2512] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2513] setpgid(0, 0 <unfinished ...>
[pid  2512] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2513] <... setpgid resumed>)      = 0
[pid  2512] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2512] <... futex resumed>)        = 1
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2512] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2513] <... openat resumed>)       = 3
[pid  2511] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2513] write(3, "1000", 4 <unfinished ...>
[pid  2511] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2513] <... write resumed>)        = 4
[pid  2512] <... futex resumed>)        = 0
[pid  2511] <... futex resumed>)        = 1
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2513] close(3 <unfinished ...>
[pid  2512] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2511] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2513] <... close resumed>)        = 0
executing program
[pid  2513] write(1, "executing program\n", 18) = 18
ci2-android-6-12-rust/strace-static-x86_64: Process 2514 attached
[pid  2513] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2513] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2514] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2512] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2514] <... set_robust_list resumed>) = 0
[pid  2513] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2512] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2514
[pid  2514] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2513] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2512] <... futex resumed>)        = 1
[pid  2511] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2511] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2511] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2514] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2513] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2512] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2512] <... openat resumed>)       = 3
[pid  2513] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2514] setpgid(0, 0)               = 0
[pid  2513] <... mmap resumed>)         = 0x7fb4de009000
[pid  2512] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2513] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2512] <... futex resumed>)        = 1
[pid  2511] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2514] <... openat resumed>)       = 3
[pid  2513] <... mprotect resumed>)     = 0
[pid  2512] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2511] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2512] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2511] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2514] write(3, "1000", 4 <unfinished ...>
[pid  2513] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2512] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2511] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2514] <... write resumed>)        = 4
[pid  2514] close(3)                    = 0
[pid  2514] write(1, "executing program\n", 18) = 18
[pid  2514] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2515 attached
) = 0
[pid  2514] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2515] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2514] <... rt_sigaction resumed>, NULL, 8) = 0
executing program
[pid  2515] <... set_robust_list resumed>) = 0
[pid  2514] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2513] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2512] <... write resumed>)        = 2
[pid  2513] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2512] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2515
ci2-android-6-12-rust/strace-static-x86_64: Process 2516 attached
[pid  2515] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2514] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2512] <... futex resumed>)        = 1
[pid  2511] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2516] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2515] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2513] <... clone3 resumed> => {parent_tid=[2516]}, 88) = 2516
[pid  2512] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2511] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2516] <... set_robust_list resumed>) = 0
[pid  2515] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2514] <... mmap resumed>)         = 0x7fb4de009000
[pid  2512] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2511] <... futex resumed>)        = 0
[pid  2516] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2515] <... prctl resumed>)        = 0
[pid  2514] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2511] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2516] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2515] setpgid(0, 0 <unfinished ...>
[pid  2514] <... mprotect resumed>)     = 0
[pid  2513] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2512] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2516] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2515] <... setpgid resumed>)      = 0
[pid  2514] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2514] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2513] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2512] <... openat resumed>)       = 4
[pid  2513] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2512] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2516] <... futex resumed>)        = 0
[pid  2513] <... futex resumed>)        = 1
[pid  2515] <... openat resumed>)       = 3
[pid  2514] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2512] <... futex resumed>)        = 1
[pid  2511] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2517 attached
[pid  2516] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2515] write(3, "1000", 4 <unfinished ...>
[pid  2513] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2512] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2511] exit_group(0 <unfinished ...>
[pid  2517] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2516] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2515] <... write resumed>)        = 4
[pid  2514] <... clone3 resumed> => {parent_tid=[2517]}, 88) = 2517
[pid  2517] <... set_robust_list resumed>) = 0
[pid  2516] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2515] close(3 <unfinished ...>
[pid  2514] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2512] <... futex resumed>)        = ?
[pid  2511] <... exit_group resumed>)   = ?
[pid  2517] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2516] <... futex resumed>)        = 1
[pid  2515] <... close resumed>)        = 0
[pid  2514] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2513] <... futex resumed>)        = 0
[pid  2512] +++ exited with 0 +++
[pid  2517] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2516] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2513] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2517] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2516] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2513] <... futex resumed>)        = 0
[pid  2513] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2516] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2513] <... futex resumed>)        = 0
[pid  2511] +++ exited with 0 +++
[pid  2514] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2513] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2516] <... futex resumed>)        = 1
[pid  2515] write(1, "executing program\n", 18 <unfinished ...>
[pid  2514] <... futex resumed>)        = 1
executing program
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2511, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2517] <... futex resumed>)        = 0
[pid  2516] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2515] <... write resumed>)        = 18
[pid  2514] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2513] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2517] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2515] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2517] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2515] <... futex resumed>)        = 0
[pid  2517] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2515] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2517] <... futex resumed>)        = 0
[pid  2515] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2517] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2515] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2516] <... openat resumed>)       = 3
[pid  2515] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2514] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2516] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2514] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2516] <... futex resumed>)        = 1
[pid  2514] <... futex resumed>)        = 1
[pid  2516] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2514] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2515] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2515] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2513] <... futex resumed>)        = 0
[pid  2517] <... futex resumed>)        = 0
[pid  2515] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2515] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2517] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2513] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2515] <... clone3 resumed> => {parent_tid=[2518]}, 88) = 2518
[pid  2515] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2517] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2515] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2518 attached
[pid  2516] <... futex resumed>)        = 0
[pid  2513] <... futex resumed>)        = 1
[pid  2518] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2516] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2515] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2513] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2517] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2518] <... set_robust_list resumed>) = 0
[pid  2516] <... write resumed>)        = 2
[pid  2515] <... futex resumed>)        = 0
[pid  2517] <... futex resumed>)        = 1
[pid  2514] <... futex resumed>)        = 0
[pid  2516] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2515] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2514] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2518] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2517] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2516] <... futex resumed>)        = 1
[pid  2514] <... futex resumed>)        = 0
[pid  2513] <... futex resumed>)        = 0
[pid  2518] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2517] <... openat resumed>)       = 3
[pid  2516] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2514] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2513] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2518] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2517] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2516] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2518] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2517] <... futex resumed>)        = 0
[pid  2516] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2514] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2513] <... futex resumed>)        = 0
[pid  2518] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2517] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2516] <... openat resumed>)       = 4
[pid  2513] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2518] <... futex resumed>)        = 1
[pid  2517] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2516] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2515] <... futex resumed>)        = 0
[pid  2514] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2513] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2518] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2517] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2516] <... futex resumed>)        = 0
[pid  2514] <... futex resumed>)        = 0
[pid  2516] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2515] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2513] exit_group(0 <unfinished ...>
[pid  2517] <... write resumed>)        = 2
[pid  2515] <... futex resumed>)        = 0
[pid  2517] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2515] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2514] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2518] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2517] <... futex resumed>)        = 0
[pid  2518] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2516] <... futex resumed>)        = ?
[pid  2514] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2513] <... exit_group resumed>)   = ?
[pid  2517] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2516] +++ exited with 0 +++
[pid  2514] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2517] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2518] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2517] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2514] <... futex resumed>)        = 0
[pid  2518] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2515] <... futex resumed>)        = 0
[pid  2518] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2515] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2518] <... openat resumed>)       = 3
[pid  2515] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2513] +++ exited with 0 +++
[pid  2517] <... openat resumed>)       = 4
[pid  2514] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2517] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2513, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2517] <... futex resumed>)        = 0
[pid  2514] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2517] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2518] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2514] exit_group(0 <unfinished ...>
[pid  2518] <... futex resumed>)        = 1
[pid  2515] <... futex resumed>)        = 0
[pid  2518] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2515] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2518] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2515] <... futex resumed>)        = 0
[pid  2518] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2515] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2518] <... write resumed>)        = 2
[pid  2518] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2515] <... futex resumed>)        = 0
[pid  2518] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2515] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2518] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2515] <... futex resumed>)        = 0
[pid  2518] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2515] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2518] <... openat resumed>)       = 4
[pid  2517] <... futex resumed>)        = ?
[pid  2514] <... exit_group resumed>)   = ?
[pid  2518] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2515] <... futex resumed>)        = 0
[pid  2515] exit_group(0)               = ?
[pid  2518] <... futex resumed>)        = ?
[pid  2517] +++ exited with 0 +++
[pid  2514] +++ exited with 0 +++
[pid   312] <... restart_syscall resumed>) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2514, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2518] +++ exited with 0 +++
[pid  2515] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2515, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557716c690) = 2519
ci2-android-6-12-rust/strace-static-x86_64: Process 2519 attached
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2519] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2519] <... set_robust_list resumed>) = 0
[pid  2519] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2519] setpgid(0, 0)               = 0
[pid  2519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2519] write(3, "1000", 4)         = 4
[pid  2519] close(3)                    = 0
executing program
[pid  2519] write(1, "executing program\n", 18) = 18
[pid  2519] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2519] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2519] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2519] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2519] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2519] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2520 attached
 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2519] <... clone3 resumed> => {parent_tid=[2520]}, 88) = 2520
[pid  2520] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2519] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2519] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2519] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2520] <... set_robust_list resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2520] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2520] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2520] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2520] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2519] <... futex resumed>)        = 0
[pid  2520] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2519] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2520] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2520] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2519] <... futex resumed>)        = 0
[pid  2520] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2519] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2521 attached
 <unfinished ...>
[pid  2521] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2520] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2521] <... set_robust_list resumed>) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2521
[pid  2521] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2520] <... futex resumed>)        = 1
[pid  2519] <... futex resumed>)        = 0
[pid  2521] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2520] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2519] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2521] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2520] <... openat resumed>)       = 3
[pid  2519] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2519] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2521] <... prctl resumed>)        = 0
[pid  2520] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2519] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2521] setpgid(0, 0 <unfinished ...>
[pid  2520] <... futex resumed>)        = 0
[pid  2519] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2521] <... setpgid resumed>)      = 0
[pid  2520] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2519] <... futex resumed>)        = 0
[pid  2521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2520] <... write resumed>)        = 2
[pid  2519] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2521] <... openat resumed>)       = 3
[pid  2520] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2519] <... futex resumed>)        = 0
[pid  2520] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2521] write(3, "1000", 4 <unfinished ...>
[pid  2520] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2519] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2521] <... write resumed>)        = 4
[pid  2520] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2519] <... futex resumed>)        = 0
[pid  2521] close(3 <unfinished ...>
[pid  2520] <... openat resumed>)       = 4
[pid  2519] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2521] <... close resumed>)        = 0
[pid  2521] write(1, "executing program\n", 18) = 18
executing program
[pid  2520] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2521] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2520] <... futex resumed>)        = 1
[pid  2519] <... futex resumed>)        = 0
[pid  2521] <... futex resumed>)        = 0
[pid  2520] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2519] exit_group(0 <unfinished ...>
[pid  2521] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2520] <... futex resumed>)        = ?
[pid  2519] <... exit_group resumed>)   = ?
[pid  2521] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2520] +++ exited with 0 +++
[pid  2519] +++ exited with 0 +++
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2521] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2521] <... mmap resumed>)         = 0x7fb4de009000
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2519, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2521] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2521] <... mprotect resumed>)     = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2522 attached
[pid  2521] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2522] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2522
[pid  2522] <... set_robust_list resumed>) = 0
[pid  2522] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2521] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2523 attached
 <unfinished ...>
[pid  2522] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2523] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2521] <... clone3 resumed> => {parent_tid=[2523]}, 88) = 2523
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2523] <... set_robust_list resumed>) = 0
[pid  2522] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2521] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2523] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2522] <... prctl resumed>)        = 0
[pid  2521] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2524 attached
[pid  2523] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2522] setpgid(0, 0 <unfinished ...>
[pid  2521] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2522] <... setpgid resumed>)      = 0
[pid  2523] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2521] <... futex resumed>)        = 0
[pid  2524] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2523] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2521] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2524
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2523] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2522] <... openat resumed>)       = 3
[pid  2521] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2523] <... futex resumed>)        = 0
[pid  2521] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2523] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2521] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2524] <... set_robust_list resumed>) = 0
[pid  2523] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2522] write(3, "1000", 4 <unfinished ...>
[pid  2521] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2524] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2522] <... write resumed>)        = 4
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2524] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2522] close(3 <unfinished ...>
[pid  2523] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2521] <... futex resumed>)        = 0
[pid  2523] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2521] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2523] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2521] <... futex resumed>)        = 0
[pid  2523] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2521] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2523] <... openat resumed>)       = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 2525 attached
[pid  2523] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2522] <... close resumed>)        = 0
[pid  2524] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2523] <... futex resumed>)        = 1
[pid  2522] write(1, "executing program\n", 18 <unfinished ...>
[pid  2521] <... futex resumed>)        = 0
[pid  2522] <... write resumed>)        = 18
[pid  2525] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2523] write(3, "\x38\x00", 2 <unfinished ...>
executing program
[pid  2522] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2521] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2525] <... set_robust_list resumed>) = 0
[pid  2524] <... prctl resumed>)        = 0
[pid  2523] <... write resumed>)        = 2
[pid  2522] <... futex resumed>)        = 0
[pid  2521] <... futex resumed>)        = 0
[pid  2525] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2524] setpgid(0, 0 <unfinished ...>
[pid  2523] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2522] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2521] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2525
[pid  2525] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2524] <... setpgid resumed>)      = 0
[pid  2523] <... futex resumed>)        = 0
[pid  2522] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2521] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2525] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2523] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2522] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2521] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2525] <... prctl resumed>)        = 0
[pid  2524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2523] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2522] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2521] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2525] setpgid(0, 0 <unfinished ...>
[pid  2523] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2521] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2525] <... setpgid resumed>)      = 0
[pid  2524] <... openat resumed>)       = 3
[pid  2523] <... openat resumed>)       = 4
[pid  2522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2523] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2521] <... futex resumed>)        = 0
[pid  2525] <... openat resumed>)       = 3
[pid  2524] write(3, "1000", 4 <unfinished ...>
[pid  2523] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2522] <... mmap resumed>)         = 0x7fb4de009000
[pid  2521] exit_group(0 <unfinished ...>
[pid  2524] <... write resumed>)        = 4
[pid  2522] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2525] write(3, "1000", 4 <unfinished ...>
[pid  2523] <... futex resumed>)        = ?
[pid  2521] <... exit_group resumed>)   = ?
[pid  2525] <... write resumed>)        = 4
[pid  2524] close(3 <unfinished ...>
[pid  2523] +++ exited with 0 +++
[pid  2522] <... mprotect resumed>)     = 0
[pid  2521] +++ exited with 0 +++
[pid  2525] close(3 <unfinished ...>
[pid  2524] <... close resumed>)        = 0
[pid  2525] <... close resumed>)        = 0
[pid  2522] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2524] write(1, "executing program\n", 18 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2521, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2524] <... write resumed>)        = 18
[pid  2522] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2524] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2522] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2525] write(1, "executing program\n", 18) = 18
executing program
executing program
[pid  2525] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2525] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2525] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2525] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2525] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2525] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2526 attached
 <unfinished ...>
[pid  2524] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2524] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2522] <... clone3 resumed> => {parent_tid=[2526]}, 88) = 2526
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2524] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2522] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2524] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2522] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2526] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2525] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2524] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2526] <... set_robust_list resumed>) = 0
[pid  2525] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2527 attached
 <unfinished ...>
[pid  2526] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2527] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2526] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2525] <... clone3 resumed> => {parent_tid=[2527]}, 88) = 2527
ci2-android-6-12-rust/strace-static-x86_64: Process 2528 attached
[pid  2527] <... set_robust_list resumed>) = 0
[pid  2526] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2525] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2522] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2528] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2527] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2526] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2525] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2528] <... set_robust_list resumed>) = 0
[pid  2527] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2526] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2525] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2524] <... mmap resumed>)         = 0x7fb4de009000
[pid  2522] <... futex resumed>)        = 0
[pid  2528] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2527] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2526] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2525] <... futex resumed>)        = 0
[pid  2528] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2527] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2526] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2525] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2524] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2522] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2528
[pid  2528] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2527] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2526] <... futex resumed>)        = 0
[pid  2524] <... mprotect resumed>)     = 0
[pid  2522] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2526] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2522] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2528] <... prctl resumed>)        = 0
[pid  2527] <... futex resumed>)        = 1
[pid  2526] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2525] <... futex resumed>)        = 0
[pid  2524] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2528] setpgid(0, 0 <unfinished ...>
[pid  2527] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2526] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2525] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2524] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2522] <... futex resumed>)        = 0
[pid  2528] <... setpgid resumed>)      = 0
[pid  2527] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2526] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2525] <... futex resumed>)        = 0
[pid  2528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2527] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2526] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2525] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2522] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2528] <... openat resumed>)       = 3
[pid  2527] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2526] <... futex resumed>)        = 0
[pid  2522] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2522] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2529 attached
[pid  2522] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2524] <... clone3 resumed> => {parent_tid=[2529]}, 88) = 2529
[pid  2529] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2528] write(3, "1000", 4 <unfinished ...>
[pid  2527] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2526] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2524] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2529] <... set_robust_list resumed>) = 0
[pid  2528] <... write resumed>)        = 4
[pid  2527] <... futex resumed>)        = 1
[pid  2526] <... openat resumed>)       = 3
[pid  2525] <... futex resumed>)        = 0
[pid  2529] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2528] close(3 <unfinished ...>
[pid  2527] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2526] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2525] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2529] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2528] <... close resumed>)        = 0
[pid  2527] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2526] <... futex resumed>)        = 1
[pid  2525] <... futex resumed>)        = 0
[pid  2524] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2522] <... futex resumed>)        = 0
[pid  2529] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2528] write(1, "executing program\n", 18 <unfinished ...>
[pid  2527] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2526] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
executing program
[pid  2525] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2524] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2522] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2529] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2528] <... write resumed>)        = 18
[pid  2527] <... openat resumed>)       = 3
[pid  2526] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2524] <... futex resumed>)        = 0
[pid  2522] <... futex resumed>)        = 0
[pid  2529] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2528] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2526] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2524] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2522] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2529] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2529] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2524] <... futex resumed>)        = 0
[pid  2529] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2524] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2529] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2528] <... futex resumed>)        = 0
[pid  2527] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2526] <... write resumed>)        = 2
[pid  2524] <... futex resumed>)        = 0
[pid  2529] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2528] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2527] <... futex resumed>)        = 1
[pid  2526] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2525] <... futex resumed>)        = 0
[pid  2524] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2528] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2527] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2526] <... futex resumed>)        = 1
[pid  2525] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2528] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2527] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2526] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2525] <... futex resumed>)        = 0
[pid  2528] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2527] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2525] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2528] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2527] <... write resumed>)        = 2
[pid  2529] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2528] <... mmap resumed>)         = 0x7fb4de009000
[pid  2527] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2522] <... futex resumed>)        = 0
[pid  2529] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2528] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2527] <... futex resumed>)        = 1
[pid  2525] <... futex resumed>)        = 0
[pid  2522] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2529] <... futex resumed>)        = 1
[pid  2528] <... mprotect resumed>)     = 0
[pid  2527] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2526] <... futex resumed>)        = 0
[pid  2525] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2524] <... futex resumed>)        = 0
[pid  2522] <... futex resumed>)        = 1
[pid  2529] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2527] <... openat resumed>)       = 4
[pid  2526] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2525] <... futex resumed>)        = 0
[pid  2528] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2524] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2522] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2529] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2528] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2527] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2526] <... openat resumed>)       = 4
[pid  2525] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2524] <... futex resumed>)        = 0
[pid  2529] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2528] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2527] <... futex resumed>)        = 0
[pid  2526] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2525] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2524] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2530 attached
 <unfinished ...>
[pid  2529] <... openat resumed>)       = 3
[pid  2526] <... futex resumed>)        = 1
[pid  2527] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2525] exit_group(0 <unfinished ...>
[pid  2522] <... futex resumed>)        = 0
[pid  2530] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2529] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2528] <... clone3 resumed> => {parent_tid=[2530]}, 88) = 2530
[pid  2527] <... futex resumed>)        = ?
[pid  2526] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2525] <... exit_group resumed>)   = ?
[pid  2530] <... set_robust_list resumed>) = 0
[pid  2529] <... futex resumed>)        = 1
[pid  2528] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2527] +++ exited with 0 +++
[pid  2524] <... futex resumed>)        = 0
[pid  2522] exit_group(0 <unfinished ...>
[pid  2530] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2529] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2524] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2522] <... exit_group resumed>)   = ?
[pid  2530] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2529] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2528] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2524] <... futex resumed>)        = 0
[pid  2530] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2529] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2524] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2529] <... write resumed>)        = 2
[pid  2529] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2524] <... futex resumed>)        = 0
[pid  2529] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2524] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2529] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2524] <... futex resumed>)        = 0
[pid  2529] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2528] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2526] <... futex resumed>)        = ?
[pid  2525] +++ exited with 0 +++
[pid  2524] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2529] <... openat resumed>)       = 4
[pid  2528] <... futex resumed>)        = 1
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2525, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2529] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2524] <... futex resumed>)        = 0
[pid  2524] exit_group(0)               = ?
[pid  2526] +++ exited with 0 +++
[pid  2522] +++ exited with 0 +++
[pid  2529] <... futex resumed>)        = ?
[pid  2530] <... futex resumed>)        = 0
[pid  2529] +++ exited with 0 +++
[pid  2528] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2524] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2522, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2530] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2524, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2530] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2530] <... futex resumed>)        = 1
[pid  2528] <... futex resumed>)        = 0
[pid  2530] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2528] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2530] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2528] <... futex resumed>)        = 0
[pid  2530] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2528] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2530] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2530] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2528] <... futex resumed>)        = 0
[pid  2530] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2528] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2530] <... futex resumed>)        = 0
[pid  2528] <... futex resumed>)        = 1
[pid  2530] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2528] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2530] <... openat resumed>)       = 3
[pid  2530] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2528] <... futex resumed>)        = 0
[pid  2530] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2528] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2530] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2528] <... futex resumed>)        = 0
[pid  2530] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2528] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2530] <... write resumed>)        = 2
[pid  2530] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2528] <... futex resumed>)        = 0
[pid  2530] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2528] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   315] <... restart_syscall resumed>) = 0
[pid  2530] <... futex resumed>)        = 0
[pid  2528] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2530] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2530] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2530] <... futex resumed>)        = 1
[pid  2528] <... futex resumed>)        = 0
[pid  2528] exit_group(0)               = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 2531 attached
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2531
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2530] +++ exited with 0 +++
[pid  2528] +++ exited with 0 +++
[pid  2531] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2531] <... set_robust_list resumed>) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2528, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2531] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2531] setpgid(0, 0)               = 0
[pid  2531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2531] write(3, "1000", 4)         = 4
[pid  2531] close(3)                    = 0
[pid  2531] write(1, "executing program\n", 18) = 18
[pid  2531] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2531] <... futex resumed>)        = 0
[pid  2531] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2531] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2531] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2531] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2531] <... mmap resumed>)         = 0x7fb4de009000
executing program
ci2-android-6-12-rust/strace-static-x86_64: Process 2532 attached
[pid  2531] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2532] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2531] <... mprotect resumed>)     = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2532
[pid  2532] <... set_robust_list resumed>) = 0
[pid  2532] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2531] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2531] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2531] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2532] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2533 attached
[pid  2532] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2533] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2532] <... prctl resumed>)        = 0
[pid  2531] <... clone3 resumed> => {parent_tid=[2533]}, 88) = 2533
[pid   312] <... restart_syscall resumed>) = 0
[pid  2533] <... set_robust_list resumed>) = 0
[pid  2532] setpgid(0, 0 <unfinished ...>
[pid  2531] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2533] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2532] <... setpgid resumed>)      = 0
[pid  2531] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2533] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2531] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2533] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2531] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2533] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2532] <... openat resumed>)       = 3
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2533] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2532] write(3, "1000", 4 <unfinished ...>
[pid  2531] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2534 attached
 <unfinished ...>
[pid  2533] <... futex resumed>)        = 0
[pid  2532] <... write resumed>)        = 4
[pid  2531] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2533] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2534] set_robust_list(0x55557716c6a0, 24) = 0
[pid  2534] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2532] close(3 <unfinished ...>
[pid  2533] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2531] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2534
[pid  2533] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2531] <... futex resumed>)        = 0
[pid  2532] <... close resumed>)        = 0
[pid  2531] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2532] write(1, "executing program\n", 18 <unfinished ...>
[pid  2534] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  2534] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2533] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2532] <... write resumed>)        = 18
[pid  2534] <... prctl resumed>)        = 0
[pid  2533] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2534] setpgid(0, 0 <unfinished ...>
[pid  2532] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2534] <... setpgid resumed>)      = 0
[pid  2532] <... futex resumed>)        = 0
[pid  2531] <... futex resumed>)        = 0
[pid  2534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2533] <... futex resumed>)        = 1
[pid  2532] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2531] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2534] <... openat resumed>)       = 3
[pid  2531] <... futex resumed>)        = 0
[pid  2533] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2532] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2531] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2534] write(3, "1000", 4)         = 4
[pid  2534] close(3 <unfinished ...>
[pid  2532] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2534] <... close resumed>)        = 0
[pid  2532] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2534] write(1, "executing program\n", 18 <unfinished ...>
[pid  2533] <... openat resumed>)       = 3
[pid  2532] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2534] <... write resumed>)        = 18
[pid  2534] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2532] <... mmap resumed>)         = 0x7fb4de009000
[pid  2534] <... futex resumed>)        = 0
executing program
[pid  2534] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2533] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2532] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2534] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2533] <... futex resumed>)        = 1
[pid  2531] <... futex resumed>)        = 0
[pid  2533] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2532] <... mprotect resumed>)     = 0
[pid  2531] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2534] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2533] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2531] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  2534] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2533] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2532] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2531] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2533] <... write resumed>)        = 2
[pid  2532] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2533] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2533] <... futex resumed>)        = 1
[pid  2531] <... futex resumed>)        = 0
[pid  2532] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2534] <... mmap resumed>)         = 0x7fb4de009000
[pid  2533] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2531] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2535 attached
 <unfinished ...>
[pid  2534] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2533] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2531] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2535] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2534] <... mprotect resumed>)     = 0
[pid  2531] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2534] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2533] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2532] <... clone3 resumed> => {parent_tid=[2535]}, 88) = 2535
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2535] <... set_robust_list resumed>) = 0
[pid  2534] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2535] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2534] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2536 attached
 <unfinished ...>
[pid  2535] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2533] <... openat resumed>)       = 4
[pid  2532] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2535] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2534] <... clone3 resumed> => {parent_tid=[2536]}, 88) = 2536
[pid  2532] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2534] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2534] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2534] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2537 attached
 <unfinished ...>
[pid  2536] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2533] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2532] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2536] <... set_robust_list resumed>) = 0
[pid  2536] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2535] <... futex resumed>)        = 0
[pid  2533] <... futex resumed>)        = 1
[pid  2532] <... futex resumed>)        = 1
[pid  2531] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2537
[pid  2537] set_robust_list(0x55557716c6a0, 24) = 0
[pid  2535] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2533] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2536] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2532] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2531] exit_group(0 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2537] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2535] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2533] <... futex resumed>)        = ?
[pid  2531] <... exit_group resumed>)   = ?
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2537] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2536] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2535] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2533] +++ exited with 0 +++
[pid  2535] <... futex resumed>)        = 1
[pid  2532] <... futex resumed>)        = 0
[pid  2536] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2535] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2532] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2535] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2532] <... futex resumed>)        = 0
[pid  2535] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2532] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2535] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2535] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2532] <... futex resumed>)        = 0
[pid  2531] +++ exited with 0 +++
[pid  2537] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2536] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2532] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2531, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2536] <... futex resumed>)        = 1
[pid  2535] <... futex resumed>)        = 1
[pid  2534] <... futex resumed>)        = 0
[pid  2532] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2535] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2534] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2532] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2535] <... openat resumed>)       = 3
[pid  2534] <... futex resumed>)        = 0
[pid  2537] <... prctl resumed>)        = 0
[pid  2536] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2537] setpgid(0, 0 <unfinished ...>
[pid  2535] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2534] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2537] <... setpgid resumed>)      = 0
[pid  2536] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2535] <... futex resumed>)        = 1
[pid  2532] <... futex resumed>)        = 0
[pid  2537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2535] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2532] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2536] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2535] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2532] <... futex resumed>)        = 0
[pid  2535] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2532] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2537] <... openat resumed>)       = 3
[pid  2536] <... futex resumed>)        = 1
[pid  2535] <... write resumed>)        = 2
[pid  2534] <... futex resumed>)        = 0
[pid  2536] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2535] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2534] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2537] write(3, "1000", 4 <unfinished ...>
[pid  2536] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2535] <... futex resumed>)        = 1
[pid  2534] <... futex resumed>)        = 0
[pid  2532] <... futex resumed>)        = 0
[pid  2537] <... write resumed>)        = 4
[pid  2536] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2535] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2534] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2532] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2537] close(3 <unfinished ...>
[pid  2535] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2536] <... openat resumed>)       = 3
[pid  2532] <... futex resumed>)        = 0
[pid  2537] <... close resumed>)        = 0
[pid  2536] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2535] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2532] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2537] write(1, "executing program\n", 18 <unfinished ...>
[pid  2535] <... openat resumed>)       = 4
[pid  2535] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2532] <... futex resumed>)        = 0
[pid  2535] <... futex resumed>)        = 1
[pid  2535] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2532] exit_group(0 <unfinished ...>
[pid  2537] <... write resumed>)        = 18
[pid  2536] <... futex resumed>)        = 1
[pid  2534] <... futex resumed>)        = 0
[pid  2536] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2535] <... futex resumed>)        = ?
executing program
[pid  2537] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2534] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2532] <... exit_group resumed>)   = ?
[pid  2537] <... futex resumed>)        = 0
[pid  2536] <... write resumed>)        = 2
[pid  2535] +++ exited with 0 +++
[pid  2534] <... futex resumed>)        = 0
[pid  2532] +++ exited with 0 +++
[pid  2537] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2536] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2534] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2532, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  2537] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2536] <... futex resumed>)        = 0
[pid  2534] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2537] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2536] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2534] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2537] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2536] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2534] <... futex resumed>)        = 0
[pid  2537] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2536] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2534] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2537] <... mmap resumed>)         = 0x7fb4de009000
[pid  2537] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2536] <... openat resumed>)       = 4
[pid  2537] <... mprotect resumed>)     = 0
[pid  2536] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2537] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2536] <... futex resumed>)        = 1
[pid  2534] <... futex resumed>)        = 0
[pid  2537] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2536] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2537] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2534] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 2538 attached
 <unfinished ...>
[pid  2536] <... futex resumed>)        = ?
[pid  2534] <... exit_group resumed>)   = ?
[pid  2538] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2537] <... clone3 resumed> => {parent_tid=[2538]}, 88) = 2538
[pid  2536] +++ exited with 0 +++
[pid  2534] +++ exited with 0 +++
[pid  2538] <... set_robust_list resumed>) = 0
[pid  2537] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2538] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2537] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2538] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2534, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2537] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2538] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2537] <... futex resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2538] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2537] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  2538] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2537] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... restart_syscall resumed>) = 0
[pid  2538] <... futex resumed>)        = 0
[pid  2537] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2538] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2537] <... futex resumed>)        = 0
[pid  2538] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2537] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2538] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2537] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2538] <... futex resumed>)        = 0
[pid  2537] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2538] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2537] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2539 attached
[pid  2538] <... openat resumed>)       = 3
[pid  2537] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2539] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2538] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2537] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2539] <... set_robust_list resumed>) = 0
[pid  2537] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2540 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2541 attached
 <unfinished ...>
[pid  2538] <... futex resumed>)        = 0
[pid  2537] <... futex resumed>)        = 0
[pid  2539] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2538] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2537] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2540] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2539] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2538] <... write resumed>)        = 2
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2540
[pid  2540] <... set_robust_list resumed>) = 0
[pid  2541] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2538] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2540] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2541] <... set_robust_list resumed>) = 0
[pid  2538] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2537] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2540] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2539] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2537] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2541] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2539] <... prctl resumed>)        = 0
[pid  2537] <... futex resumed>)        = 1
[pid  2540] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2541] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2539] setpgid(0, 0 <unfinished ...>
[pid  2538] <... futex resumed>)        = 0
[pid  2537] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2540] <... prctl resumed>)        = 0
[pid  2539] <... setpgid resumed>)      = 0
[pid  2538] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2540] setpgid(0, 0 <unfinished ...>
[pid  2541] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2540] <... setpgid resumed>)      = 0
[pid  2541] <... prctl resumed>)        = 0
[pid  2539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2538] <... openat resumed>)       = 4
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2539
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2541
[pid  2540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2541] setpgid(0, 0 <unfinished ...>
[pid  2539] <... openat resumed>)       = 3
[pid  2538] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2540] <... openat resumed>)       = 3
[pid  2541] <... setpgid resumed>)      = 0
[pid  2539] write(3, "1000", 4 <unfinished ...>
[pid  2538] <... futex resumed>)        = 1
[pid  2537] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2540] write(3, "1000", 4 <unfinished ...>
[pid  2541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2539] <... write resumed>)        = 4
[pid  2538] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2537] exit_group(0 <unfinished ...>
[pid  2540] <... write resumed>)        = 4
[pid  2541] <... openat resumed>)       = 3
[pid  2539] close(3 <unfinished ...>
[pid  2538] <... futex resumed>)        = ?
[pid  2537] <... exit_group resumed>)   = ?
[pid  2540] close(3 <unfinished ...>
[pid  2538] +++ exited with 0 +++
[pid  2540] <... close resumed>)        = 0
[pid  2539] <... close resumed>)        = 0
[pid  2541] write(3, "1000", 4)         = 4
[pid  2541] close(3)                    = 0
[pid  2541] write(1, "executing program\n", 18) = 18
executing program
[pid  2540] write(1, "executing program\n", 18 <unfinished ...>
[pid  2541] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2539] write(1, "executing program\n", 18 <unfinished ...>
[pid  2537] +++ exited with 0 +++
executing program
executing program
[pid  2540] <... write resumed>)        = 18
[pid  2539] <... write resumed>)        = 18
[pid  2541] <... futex resumed>)        = 0
[pid  2540] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2541] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2539] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2537, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2540] <... futex resumed>)        = 0
[pid  2541] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2540] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2541] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2539] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2540] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2541] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2540] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2539] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2540] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2541] <... mmap resumed>)         = 0x7fb4de009000
[pid  2540] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2541] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2539] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2540] <... mmap resumed>)         = 0x7fb4de009000
[pid  2541] <... mprotect resumed>)     = 0
[pid  2539] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2540] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2539] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2540] <... mprotect resumed>)     = 0
[pid  2541] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2540] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2541] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2539] <... mmap resumed>)         = 0x7fb4de009000
[pid  2540] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2539] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2540] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2539] <... mprotect resumed>)     = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2542 attached
[pid  2541] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2539] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2543 attached
 <unfinished ...>
[pid  2542] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2540] <... clone3 resumed> => {parent_tid=[2542]}, 88) = 2542
[pid  2543] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2540] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2542] <... set_robust_list resumed>) = 0
[pid  2539] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2543] <... set_robust_list resumed>) = 0
[pid  2542] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2540] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2539] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2543] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2542] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2540] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2543] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2542] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2540] <... futex resumed>)        = 0
[pid  2543] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2539] <... clone3 resumed> => {parent_tid=[2544]}, 88) = 2544
[pid  2542] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2540] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2542] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2539] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2542] <... futex resumed>)        = 0
[pid  2540] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2539] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2542] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2540] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2539] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2542] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2540] <... futex resumed>)        = 0
[pid  2539] <... futex resumed>)        = 0
[pid  2542] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2540] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2539] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2544 attached
 <unfinished ...>
[pid  2542] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2541] <... clone3 resumed> => {parent_tid=[2543]}, 88) = 2543
[pid  2544] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2542] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2541] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2544] <... set_robust_list resumed>) = 0
[pid  2542] <... futex resumed>)        = 1
[pid  2540] <... futex resumed>)        = 0
[pid  2541] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2544] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2542] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2540] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2541] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2544] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2543] <... futex resumed>)        = 0
[pid  2542] <... openat resumed>)       = 3
[pid  2540] <... futex resumed>)        = 0
[pid  2541] <... futex resumed>)        = 1
[pid  2544] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2543] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2541] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2544] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2543] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2542] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2540] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2544] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2543] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2542] <... futex resumed>)        = 0
[pid  2540] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... restart_syscall resumed>) = 0
[pid  2544] <... futex resumed>)        = 1
[pid  2543] <... futex resumed>)        = 1
[pid  2542] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2540] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2541] <... futex resumed>)        = 0
[pid  2539] <... futex resumed>)        = 0
[pid  2544] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2543] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2542] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2540] <... futex resumed>)        = 0
[pid  2541] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2539] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2544] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2543] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2542] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2540] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2541] <... futex resumed>)        = 0
[pid  2539] <... futex resumed>)        = 0
[pid  2544] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2543] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2542] <... write resumed>)        = 2
[pid  2541] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2544] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2543] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2542] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2539] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2544] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2542] <... futex resumed>)        = 1
[pid  2540] <... futex resumed>)        = 0
[pid  2539] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2544] <... futex resumed>)        = 0
[pid  2542] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2540] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2539] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2544] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2543] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2542] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2540] <... futex resumed>)        = 0
[pid  2539] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2545 attached
[pid  2543] <... futex resumed>)        = 1
[pid  2541] <... futex resumed>)        = 0
[pid  2544] <... openat resumed>)       = 3
[pid  2543] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2542] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2540] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2541] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2539] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2545] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2544] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2543] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2542] <... openat resumed>)       = 4
[pid  2541] <... futex resumed>)        = 0
[pid  2539] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2545
[pid  2545] <... set_robust_list resumed>) = 0
[pid  2544] <... futex resumed>)        = 0
[pid  2543] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2542] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2541] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2539] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2545] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2544] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2543] <... openat resumed>)       = 3
[pid  2542] <... futex resumed>)        = 1
[pid  2540] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2545] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2544] <... write resumed>)        = 2
[pid  2542] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2539] <... futex resumed>)        = 0
[pid  2540] exit_group(0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2545] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2544] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2545] <... prctl resumed>)        = 0
[pid  2544] <... futex resumed>)        = 0
[pid  2543] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2542] <... futex resumed>)        = ?
[pid  2540] <... exit_group resumed>)   = ?
[pid  2539] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2545] setpgid(0, 0 <unfinished ...>
[pid  2544] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2543] <... futex resumed>)        = 1
[pid  2541] <... futex resumed>)        = 0
[pid  2539] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2545] <... setpgid resumed>)      = 0
[pid  2543] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2541] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2539] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2543] <... write resumed>)        = 2
[pid  2541] <... futex resumed>)        = 0
[pid  2544] <... futex resumed>)        = 0
[pid  2543] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2541] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2539] <... futex resumed>)        = 1
[pid  2543] <... futex resumed>)        = 0
[pid  2542] +++ exited with 0 +++
[pid  2540] +++ exited with 0 +++
[pid  2541] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2539] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2545] <... openat resumed>)       = 3
[pid  2544] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2543] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2541] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2545] write(3, "1000", 4 <unfinished ...>
[pid  2544] <... openat resumed>)       = 4
[pid  2543] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2541] <... futex resumed>)        = 0
[pid  2545] <... write resumed>)        = 4
[pid  2544] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2543] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2541] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2540, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2545] close(3 <unfinished ...>
[pid  2544] <... futex resumed>)        = 1
[pid  2543] <... openat resumed>)       = 4
[pid  2539] <... futex resumed>)        = 0
[pid  2545] <... close resumed>)        = 0
[pid  2544] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2545] write(1, "executing program\n", 18 <unfinished ...>
[pid  2539] exit_group(0 <unfinished ...>
[pid  2545] <... write resumed>)        = 18
[pid  2544] <... futex resumed>)        = ?
[pid  2539] <... exit_group resumed>)   = ?
[pid  2545] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2544] +++ exited with 0 +++
executing program
[pid  2543] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2541] <... futex resumed>)        = 0
[pid  2543] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2541] exit_group(0 <unfinished ...>
[pid  2543] <... futex resumed>)        = ?
[pid  2541] <... exit_group resumed>)   = ?
[pid  2545] <... futex resumed>)        = 0
[pid  2543] +++ exited with 0 +++
[pid  2541] +++ exited with 0 +++
[pid  2539] +++ exited with 0 +++
[pid  2545] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2539, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2541, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2545] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2545] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2545] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2545] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2545] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2545] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2546 attached
 <unfinished ...>
[pid  2546] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2545] <... clone3 resumed> => {parent_tid=[2546]}, 88) = 2546
[pid  2546] <... set_robust_list resumed>) = 0
[pid  2545] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2546] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2545] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2546] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2545] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2546] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2545] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2546] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   312] <... restart_syscall resumed>) = 0
[pid  2546] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2546] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2545] <... futex resumed>)        = 0
[pid  2545] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2546] <... futex resumed>)        = 0
[pid  2545] <... futex resumed>)        = 1
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2546] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2545] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2546] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2546] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2545] <... futex resumed>)        = 0
[pid  2546] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 2547 attached
 <unfinished ...>
[pid  2545] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2547] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2546] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2545] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2547
[pid  2547] <... set_robust_list resumed>) = 0
[pid  2546] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2545] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2547] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2547] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2547] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2546] <... openat resumed>)       = 3
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  2546] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2545] <... futex resumed>)        = 0
[pid  2546] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2545] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2546] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2545] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2546] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2545] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2547] <... prctl resumed>)        = 0
[pid  2546] <... write resumed>)        = 2
[pid  2547] setpgid(0, 0 <unfinished ...>
[pid  2546] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2548
ci2-android-6-12-rust/strace-static-x86_64: Process 2548 attached
[pid  2547] <... setpgid resumed>)      = 0
[pid  2546] <... futex resumed>)        = 1
[pid  2545] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2546] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2545] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2546] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2545] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2548] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2547] <... openat resumed>)       = 3
[pid  2546] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2545] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2548] <... set_robust_list resumed>) = 0
[pid  2547] write(3, "1000", 4 <unfinished ...>
[pid  2546] <... openat resumed>)       = 4
[pid  2546] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2547] <... write resumed>)        = 4
[pid  2547] close(3 <unfinished ...>
[pid  2545] <... futex resumed>)        = 0
[pid  2547] <... close resumed>)        = 0
[pid  2546] <... futex resumed>)        = 1
[pid  2545] exit_group(0 <unfinished ...>
[pid  2547] write(1, "executing program\n", 18 <unfinished ...>
[pid  2546] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2547] <... write resumed>)        = 18
[pid  2547] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2546] <... futex resumed>)        = ?
[pid  2545] <... exit_group resumed>)   = ?
executing program
[pid  2548] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2547] <... futex resumed>)        = 0
[pid  2546] +++ exited with 0 +++
[pid  2545] +++ exited with 0 +++
[pid  2548] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2547] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}ci2-android-6-12-rust/strace-static-x86_64: Process 2549 attached
, NULL, 8) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2545, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2549
[pid  2549] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2547] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2549] <... set_robust_list resumed>) = 0
[pid  2548] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2547] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2549] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2548] <... prctl resumed>)        = 0
[pid  2547] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2549] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2548] setpgid(0, 0 <unfinished ...>
[pid  2549] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2547] <... mmap resumed>)         = 0x7fb4de009000
[pid  2549] <... prctl resumed>)        = 0
[pid  2549] setpgid(0, 0)               = 0
[pid  2549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2548] <... setpgid resumed>)      = 0
[pid  2547] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2549] write(3, "1000", 4)         = 4
[pid  2549] close(3 <unfinished ...>
[pid  2547] <... mprotect resumed>)     = 0
[pid  2549] <... close resumed>)        = 0
[pid  2548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2549] write(1, "executing program\n", 18) = 18
[pid  2547] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2549] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2548] <... openat resumed>)       = 3
[pid  2547] <... rt_sigprocmask resumed>, [], 8) = 0
executing program
[pid  2548] write(3, "1000", 4 <unfinished ...>
[pid  2547] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2548] <... write resumed>)        = 4
[pid  2549] <... futex resumed>)        = 0
[pid  2549] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2549] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 2550 attached
, NULL, 8) = 0
[pid  2548] close(3 <unfinished ...>
[pid  2550] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2549] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2550] <... set_robust_list resumed>) = 0
[pid  2549] <... mmap resumed>)         = 0x7fb4de009000
[pid  2550] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2549] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2550] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2549] <... mprotect resumed>)     = 0
[pid  2548] <... close resumed>)        = 0
[pid  2550] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2549] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2548] write(1, "executing program\n", 18 <unfinished ...>
[pid  2547] <... clone3 resumed> => {parent_tid=[2550]}, 88) = 2550
[pid  2548] <... write resumed>)        = 18
[pid  2547] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2549] <... rt_sigprocmask resumed>, [], 8) = 0
executing program
[pid  2549] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2548] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2547] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2549] <... clone3 resumed> => {parent_tid=[2551]}, 88) = 2551
[pid  2549] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2549] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2549] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2551 attached
 <unfinished ...>
[pid  2551] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2551] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2547] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2548] <... futex resumed>)        = 0
[pid  2551] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2551] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2550] <... futex resumed>)        = 0
[pid  2548] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2547] <... futex resumed>)        = 1
[pid  2548] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2547] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2548] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2551] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2550] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2548] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2551] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2550] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2551] <... futex resumed>)        = 1
[pid  2550] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2549] <... futex resumed>)        = 0
[pid  2548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2551] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2550] <... futex resumed>)        = 1
[pid  2549] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2547] <... futex resumed>)        = 0
[pid  2551] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2550] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2549] <... futex resumed>)        = 0
[pid  2548] <... mmap resumed>)         = 0x7fb4de009000
[pid  2547] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2551] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2550] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2549] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2548] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2547] <... futex resumed>)        = 0
[pid  2551] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2550] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2548] <... mprotect resumed>)     = 0
[pid  2547] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2551] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2550] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2548] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2551] <... futex resumed>)        = 1
[pid  2550] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2549] <... futex resumed>)        = 0
[pid  2548] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2551] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2550] <... futex resumed>)        = 1
[pid  2549] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2548] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2547] <... futex resumed>)        = 0
[pid  2551] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2550] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2549] <... futex resumed>)        = 0
[pid  2547] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2551] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2550] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2549] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2547] <... futex resumed>)        = 0
[pid  2551] <... openat resumed>)       = 3
[pid  2550] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2547] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2552 attached
 <unfinished ...>
[pid  2552] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2551] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2550] <... openat resumed>)       = 3
[pid  2548] <... clone3 resumed> => {parent_tid=[2552]}, 88) = 2552
[pid  2552] <... set_robust_list resumed>) = 0
[pid  2551] <... futex resumed>)        = 1
[pid  2550] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2549] <... futex resumed>)        = 0
[pid  2548] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2552] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2551] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2550] <... futex resumed>)        = 1
[pid  2549] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2548] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2547] <... futex resumed>)        = 0
[pid  2552] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2551] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2550] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2548] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2547] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2552] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2551] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2550] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2552] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2551] <... write resumed>)        = 2
[pid  2550] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2548] <... futex resumed>)        = 0
[pid  2547] <... futex resumed>)        = 0
[pid  2552] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2551] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2550] <... write resumed>)        = 2
[pid  2547] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2548] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2552] <... futex resumed>)        = 0
[pid  2551] <... futex resumed>)        = 0
[pid  2550] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2548] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2547] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2552] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2551] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2550] <... futex resumed>)        = 0
[pid  2548] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2547] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2552] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2550] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2548] <... futex resumed>)        = 0
[pid  2547] <... futex resumed>)        = 0
[pid  2552] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  2550] <... openat resumed>)       = 4
[pid  2549] <... futex resumed>)        = 1
[pid  2548] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2547] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2552] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2551] <... futex resumed>)        = 0
[pid  2550] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2549] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2548] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2552] <... futex resumed>)        = 0
[pid  2551] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2550] <... futex resumed>)        = 0
[pid  2549] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2548] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2547] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2552] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2547] exit_group(0 <unfinished ...>
[pid  2552] <... openat resumed>)       = 3
[pid  2549] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2548] <... futex resumed>)        = 0
[pid  2547] <... exit_group resumed>)   = ?
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2549] <... futex resumed>)        = 1
[pid  2548] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2552] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2551] <... futex resumed>)        = 0
[pid  2549] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2552] <... futex resumed>)        = 1
[pid  2551] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2548] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2553 attached
 <unfinished ...>
[pid  2552] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2551] <... openat resumed>)       = 4
[pid  2550] +++ exited with 0 +++
[pid  2548] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2547] +++ exited with 0 +++
[pid  2552] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2548] <... futex resumed>)        = 0
[pid  2553] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2548] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2553
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2547, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2552] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2551] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2552] <... write resumed>)        = 2
[pid  2553] <... set_robust_list resumed>) = 0
[pid  2552] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2552] <... futex resumed>)        = 1
[pid  2551] <... futex resumed>)        = 1
[pid  2549] <... futex resumed>)        = 0
[pid  2548] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2548] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2553] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2552] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2551] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2549] exit_group(0 <unfinished ...>
[pid  2553] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2548] <... futex resumed>)        = 0
[pid  2552] <... openat resumed>)       = 4
[pid  2548] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2551] <... futex resumed>)        = ?
[pid  2551] +++ exited with 0 +++
[pid  2549] <... exit_group resumed>)   = ?
[pid  2553] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2552] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2549] +++ exited with 0 +++
[pid  2553] <... prctl resumed>)        = 0
[pid  2548] <... futex resumed>)        = 0
[pid  2552] <... futex resumed>)        = 1
[pid  2553] setpgid(0, 0 <unfinished ...>
[pid  2552] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2548] exit_group(0 <unfinished ...>
[pid  2553] <... setpgid resumed>)      = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2549, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2552] <... futex resumed>)        = ?
[pid  2548] <... exit_group resumed>)   = ?
[pid   312] <... restart_syscall resumed>) = 0
[pid  2553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2552] +++ exited with 0 +++
[pid  2548] +++ exited with 0 +++
[pid   313] <... restart_syscall resumed>) = 0
[pid  2553] <... openat resumed>)       = 3
[pid  2553] write(3, "1000", 4 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2548, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2553] <... write resumed>)        = 4
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2553] close(3 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2553] <... close resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2553] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2554 attached
 <unfinished ...>
[pid  2553] <... write resumed>)        = 18
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2554] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2553] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2554
[pid   313] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2555 attached
 <unfinished ...>
[pid  2554] <... set_robust_list resumed>) = 0
[pid  2553] <... futex resumed>)        = 0
[pid  2553] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2554] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2555] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2553] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2555
[pid  2554] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2555] <... set_robust_list resumed>) = 0
[pid  2553] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2555] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2554] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2553] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2555] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2554] <... prctl resumed>)        = 0
[pid  2553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2554] setpgid(0, 0 <unfinished ...>
[pid  2555] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2554] <... setpgid resumed>)      = 0
[pid  2553] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2555] <... prctl resumed>)        = 0
[pid  2553] <... mprotect resumed>)     = 0
[pid  2555] setpgid(0, 0 <unfinished ...>
[pid  2554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2555] <... setpgid resumed>)      = 0
[pid  2553] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2554] <... openat resumed>)       = 3
[pid  2553] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2555] <... openat resumed>)       = 3
[pid  2554] write(3, "1000", 4 <unfinished ...>
[pid  2553] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2555] write(3, "1000", 4 <unfinished ...>
[pid  2554] <... write resumed>)        = 4
ci2-android-6-12-rust/strace-static-x86_64: Process 2556 attached
[pid  2555] <... write resumed>)        = 4
[pid  2554] close(3 <unfinished ...>
[pid  2555] close(3 <unfinished ...>
[pid  2554] <... close resumed>)        = 0
[pid  2553] <... clone3 resumed> => {parent_tid=[2556]}, 88) = 2556
[pid  2556] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2555] <... close resumed>)        = 0
[pid  2554] write(1, "executing program\n", 18 <unfinished ...>
[pid  2556] <... set_robust_list resumed>) = 0
executing program
[pid  2553] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2556] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2555] write(1, "executing program\n", 18 <unfinished ...>
[pid  2554] <... write resumed>)        = 18
[pid  2553] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2556] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2555] <... write resumed>)        = 18
[pid  2553] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  2554] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2555] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2554] <... futex resumed>)        = 0
[pid  2553] <... futex resumed>)        = 0
[pid  2556] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2555] <... futex resumed>)        = 0
[pid  2554] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2553] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2556] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2555] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2554] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2556] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2555] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2556] <... futex resumed>)        = 1
[pid  2555] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2554] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2553] <... futex resumed>)        = 0
[pid  2556] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2555] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2554] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2553] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2556] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2555] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2553] <... futex resumed>)        = 0
[pid  2556] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2555] <... mmap resumed>)         = 0x7fb4de009000
[pid  2554] <... mmap resumed>)         = 0x7fb4de009000
[pid  2553] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2556] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2555] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2554] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2556] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2555] <... mprotect resumed>)     = 0
[pid  2556] <... futex resumed>)        = 1
[pid  2554] <... mprotect resumed>)     = 0
[pid  2553] <... futex resumed>)        = 0
[pid  2556] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2555] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2554] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2553] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2555] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2556] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2554] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2553] <... futex resumed>)        = 0
[pid  2555] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2556] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2554] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2553] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2557 attached
 <unfinished ...>
[pid  2556] <... openat resumed>)       = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 2558 attached
[pid  2557] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2556] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2558] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2557] <... set_robust_list resumed>) = 0
[pid  2553] <... futex resumed>)        = 0
[pid  2558] <... set_robust_list resumed>) = 0
[pid  2557] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2556] <... futex resumed>)        = 1
[pid  2555] <... clone3 resumed> => {parent_tid=[2557]}, 88) = 2557
[pid  2554] <... clone3 resumed> => {parent_tid=[2558]}, 88) = 2558
[pid  2553] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2558] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2557] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2556] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2555] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2554] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2553] <... futex resumed>)        = 0
[pid  2558] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2557] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2556] <... write resumed>)        = 2
[pid  2555] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2554] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2553] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2558] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2556] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2555] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2554] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2553] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2558] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2557] <... futex resumed>)        = 0
[pid  2556] <... futex resumed>)        = 0
[pid  2555] <... futex resumed>)        = 1
[pid  2554] <... futex resumed>)        = 0
[pid  2553] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2558] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2557] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2556] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2554] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2558] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2557] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2555] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2553] <... futex resumed>)        = 0
[pid  2558] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2557] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2556] <... openat resumed>)       = 4
[pid  2555] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2553] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2558] <... futex resumed>)        = 1
[pid  2557] <... futex resumed>)        = 0
[pid  2554] <... futex resumed>)        = 0
[pid  2558] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2557] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2556] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2555] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2554] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2553] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2558] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2556] <... futex resumed>)        = 0
[pid  2555] <... futex resumed>)        = 0
[pid  2557] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2554] <... futex resumed>)        = 0
[pid  2556] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2553] exit_group(0 <unfinished ...>
[pid  2558] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2557] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2556] <... futex resumed>)        = ?
[pid  2555] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2554] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2553] <... exit_group resumed>)   = ?
[pid  2558] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2557] <... futex resumed>)        = 0
[pid  2556] +++ exited with 0 +++
[pid  2555] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2557] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2555] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2558] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2557] <... openat resumed>)       = 3
[pid  2555] <... futex resumed>)        = 0
[pid  2553] +++ exited with 0 +++
[pid  2558] <... futex resumed>)        = 1
[pid  2557] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2555] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2554] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2553, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2558] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2557] <... futex resumed>)        = 0
[pid  2555] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2554] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2558] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2557] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2555] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2554] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2558] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2557] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2555] <... futex resumed>)        = 0
[pid  2554] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2559 attached
 <unfinished ...>
[pid  2558] <... openat resumed>)       = 3
[pid  2557] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2555] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2559] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2558] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2557] <... write resumed>)        = 2
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2559
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2559] <... set_robust_list resumed>) = 0
[pid  2558] <... futex resumed>)        = 1
[pid  2557] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2554] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2559] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2558] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2557] <... futex resumed>)        = 1
[pid  2555] <... futex resumed>)        = 0
[pid  2554] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2559] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2558] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2557] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2555] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2554] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2560 attached
[pid  2558] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2557] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2555] <... futex resumed>)        = 0
[pid  2554] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2560] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2558] <... write resumed>)        = 2
[pid  2557] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2555] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2560
[pid  2560] <... set_robust_list resumed>) = 0
[pid  2558] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2560] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2559] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2558] <... futex resumed>)        = 1
[pid  2557] <... openat resumed>)       = 4
[pid  2554] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2560] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2559] <... prctl resumed>)        = 0
[pid  2558] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2557] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2554] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2560] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2559] setpgid(0, 0 <unfinished ...>
[pid  2558] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2557] <... futex resumed>)        = 1
[pid  2555] <... futex resumed>)        = 0
[pid  2554] <... futex resumed>)        = 0
[pid  2560] <... prctl resumed>)        = 0
[pid  2559] <... setpgid resumed>)      = 0
[pid  2558] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2557] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2554] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2560] setpgid(0, 0 <unfinished ...>
[pid  2559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2558] <... openat resumed>)       = 4
[pid  2555] exit_group(0 <unfinished ...>
[pid  2560] <... setpgid resumed>)      = 0
[pid  2559] <... openat resumed>)       = 3
[pid  2558] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2557] <... futex resumed>)        = ?
[pid  2555] <... exit_group resumed>)   = ?
[pid  2560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2559] write(3, "1000", 4 <unfinished ...>
[pid  2558] <... futex resumed>)        = 1
[pid  2559] <... write resumed>)        = 4
executing program
[pid  2557] +++ exited with 0 +++
[pid  2554] <... futex resumed>)        = 0
[pid  2559] close(3)                    = 0
[pid  2559] write(1, "executing program\n", 18) = 18
[pid  2559] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2555] +++ exited with 0 +++
[pid  2560] <... openat resumed>)       = 3
[pid  2558] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2560] write(3, "1000", 4 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2555, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2554] exit_group(0 <unfinished ...>
[pid  2560] <... write resumed>)        = 4
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2560] close(3 <unfinished ...>
[pid  2558] <... futex resumed>)        = ?
[pid  2554] <... exit_group resumed>)   = ?
[pid  2560] <... close resumed>)        = 0
[pid  2559] <... futex resumed>)        = 0
[pid  2558] +++ exited with 0 +++
[pid  2559] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2559] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2554] +++ exited with 0 +++
executing program
[pid  2560] write(1, "executing program\n", 18) = 18
[pid  2559] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2554, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2560] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2559] <... mmap resumed>)         = 0x7fb4de009000
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2560] <... futex resumed>)        = 0
[pid  2559] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2560] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2559] <... mprotect resumed>)     = 0
[pid  2560] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2559] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2560] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2559] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2559] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2561 attached
 <unfinished ...>
[pid  2560] <... mmap resumed>)         = 0x7fb4de009000
[pid  2561] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2560] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2561] <... set_robust_list resumed>) = 0
[pid  2561] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2560] <... mprotect resumed>)     = 0
[pid  2561] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2561] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2560] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2559] <... clone3 resumed> => {parent_tid=[2561]}, 88) = 2561
[pid  2560] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2560] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2559] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2562 attached
, NULL, 8) = 0
[pid  2562] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2560] <... clone3 resumed> => {parent_tid=[2562]}, 88) = 2562
[pid  2559] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2562] <... set_robust_list resumed>) = 0
[pid  2561] <... futex resumed>)        = 0
[pid  2560] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2559] <... futex resumed>)        = 1
[pid  2562] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2561] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2560] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2559] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2562] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2561] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2560] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2562] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2561] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2560] <... futex resumed>)        = 0
[pid  2562] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2561] <... futex resumed>)        = 1
[pid  2562] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2560] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2562] <... futex resumed>)        = 0
[pid  2561] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2562] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2560] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2560] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2559] <... futex resumed>)        = 0
[pid  2562] <... futex resumed>)        = 0
[pid  2560] <... futex resumed>)        = 1
[pid  2559] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2562] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2561] <... futex resumed>)        = 0
[pid  2560] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2559] <... futex resumed>)        = 1
[pid  2562] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2561] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2559] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2562] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2561] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   312] <... restart_syscall resumed>) = 0
[pid  2562] <... futex resumed>)        = 1
[pid  2561] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2560] <... futex resumed>)        = 0
[pid  2562] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2561] <... futex resumed>)        = 1
[pid  2560] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2559] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2562] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2561] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2560] <... futex resumed>)        = 0
[pid  2559] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2562] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2561] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2560] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2559] <... futex resumed>)        = 0
[pid  2562] <... openat resumed>)       = 3
[pid  2561] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2559] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2562] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2561] <... openat resumed>)       = 3
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2563 attached
 <unfinished ...>
[pid  2562] <... futex resumed>)        = 1
[pid  2561] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2560] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2563] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2562] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2561] <... futex resumed>)        = 1
[pid  2560] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2563] <... set_robust_list resumed>) = 0
[pid  2562] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2561] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2560] <... futex resumed>)        = 0
[pid  2559] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2563
ci2-android-6-12-rust/strace-static-x86_64: Process 2564 attached
[pid  2563] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2562] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2561] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2560] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2559] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2564] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2563] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2562] <... write resumed>)        = 2
[pid  2561] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2559] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2564
[pid  2564] <... set_robust_list resumed>) = 0
[pid  2563] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2562] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2561] <... write resumed>)        = 2
[pid  2559] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2564] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2563] <... prctl resumed>)        = 0
[pid  2562] <... futex resumed>)        = 1
[pid  2561] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2560] <... futex resumed>)        = 0
[pid  2564] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2563] setpgid(0, 0 <unfinished ...>
[pid  2562] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2561] <... futex resumed>)        = 1
[pid  2559] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2560] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2564] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2563] <... setpgid resumed>)      = 0
[pid  2562] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2561] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2560] <... futex resumed>)        = 0
[pid  2559] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2564] <... prctl resumed>)        = 0
[pid  2563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2562] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2561] <... openat resumed>)       = 4
[pid  2560] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2559] <... futex resumed>)        = 0
[pid  2563] <... openat resumed>)       = 3
[pid  2559] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2563] write(3, "1000", 4 <unfinished ...>
[pid  2562] <... openat resumed>)       = 4
[pid  2561] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2563] <... write resumed>)        = 4
[pid  2562] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2564] setpgid(0, 0 <unfinished ...>
[pid  2561] <... futex resumed>)        = 1
[pid  2559] <... futex resumed>)        = 0
[pid  2564] <... setpgid resumed>)      = 0
[pid  2563] close(3 <unfinished ...>
[pid  2562] <... futex resumed>)        = 1
[pid  2561] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2560] <... futex resumed>)        = 0
[pid  2559] exit_group(0 <unfinished ...>
[pid  2564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2563] <... close resumed>)        = 0
[pid  2562] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2561] <... futex resumed>)        = ?
[pid  2560] exit_group(0 <unfinished ...>
[pid  2559] <... exit_group resumed>)   = ?
[pid  2564] <... openat resumed>)       = 3
[pid  2563] write(1, "executing program\n", 18 <unfinished ...>
[pid  2562] <... futex resumed>)        = ?
[pid  2561] +++ exited with 0 +++
[pid  2560] <... exit_group resumed>)   = ?
[pid  2559] +++ exited with 0 +++
[pid  2562] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2559, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2564] write(3, "1000", 4 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2564] <... write resumed>)        = 4
[pid  2564] close(3)                    = 0
[pid  2564] write(1, "executing program\n", 18 <unfinished ...>
[pid  2560] +++ exited with 0 +++
[pid  2563] <... write resumed>)        = 18
executing program
executing program
[pid  2564] <... write resumed>)        = 18
[pid  2563] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2560, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2564] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2563] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2563] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2564] <... futex resumed>)        = 0
[pid  2563] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2564] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2563] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2564] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2563] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2564] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2563] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2564] <... mmap resumed>)         = 0x7fb4de009000
[pid  2564] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2563] <... mmap resumed>)         = 0x7fb4de009000
[pid  2564] <... mprotect resumed>)     = 0
[pid  2563] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2564] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2563] <... mprotect resumed>)     = 0
[pid  2563] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2564] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2563] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2564] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2563] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2565 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2566 attached
 <unfinished ...>
[pid  2565] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2564] <... clone3 resumed> => {parent_tid=[2565]}, 88) = 2565
[pid  2566] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2565] <... set_robust_list resumed>) = 0
[pid  2566] <... set_robust_list resumed>) = 0
[pid  2563] <... clone3 resumed> => {parent_tid=[2566]}, 88) = 2566
[pid  2566] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2565] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2566] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2563] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2566] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2565] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2563] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2565] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2563] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2566] <... futex resumed>)        = 0
[pid  2564] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2563] <... futex resumed>)        = 1
[pid  2566] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2564] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  2566] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2564] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2563] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2566] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2565] <... futex resumed>)        = 0
[pid  2564] <... futex resumed>)        = 1
[pid  2563] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2566] <... futex resumed>)        = 0
[pid  2565] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2564] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2563] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2566] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2565] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2563] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2566] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2565] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2563] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2567 attached
 <unfinished ...>
[pid  2566] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2565] <... futex resumed>)        = 1
[pid  2564] <... futex resumed>)        = 0
[pid  2563] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... restart_syscall resumed>) = 0
[pid  2567] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2566] <... futex resumed>)        = 0
[pid  2565] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2564] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2567
[pid  2567] <... set_robust_list resumed>) = 0
[pid  2566] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2565] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2564] <... futex resumed>)        = 0
[pid  2563] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2567] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2566] <... openat resumed>)       = 3
[pid  2565] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2564] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2563] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2567] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2566] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2565] <... futex resumed>)        = 0
[pid  2564] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2563] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2567] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2566] <... futex resumed>)        = 0
[pid  2565] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2564] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2563] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2567] <... prctl resumed>)        = 0
[pid  2566] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2565] <... openat resumed>)       = 3
[pid  2564] <... futex resumed>)        = 0
[pid  2567] setpgid(0, 0 <unfinished ...>
[pid  2566] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2565] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2564] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2563] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2567] <... setpgid resumed>)      = 0
[pid  2566] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2565] <... futex resumed>)        = 0
[pid  2564] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2563] <... futex resumed>)        = 0
[pid  2564] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2564] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2566] <... write resumed>)        = 2
[pid  2565] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2563] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2566] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2565] <... write resumed>)        = 2
[pid  2567] <... openat resumed>)       = 3
[pid  2566] <... futex resumed>)        = 0
[pid  2565] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2563] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2568
ci2-android-6-12-rust/strace-static-x86_64: Process 2568 attached
[pid  2567] write(3, "1000", 4 <unfinished ...>
[pid  2566] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2565] <... futex resumed>)        = 1
[pid  2564] <... futex resumed>)        = 0
[pid  2563] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2568] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2567] <... write resumed>)        = 4
[pid  2566] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2565] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2564] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2563] <... futex resumed>)        = 0
[pid  2568] <... set_robust_list resumed>) = 0
[pid  2567] close(3 <unfinished ...>
[pid  2566] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2565] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2564] <... futex resumed>)        = 0
[pid  2563] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2568] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2567] <... close resumed>)        = 0
[pid  2566] <... openat resumed>)       = 4
[pid  2565] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2564] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2568] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2567] write(1, "executing program\n", 18 <unfinished ...>
[pid  2566] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2565] <... openat resumed>)       = 4
[pid  2568] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2567] <... write resumed>)        = 18
[pid  2566] <... futex resumed>)        = 1
[pid  2565] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2567] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2563] <... futex resumed>)        = 0
[pid  2566] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2567] <... futex resumed>)        = 0
[pid  2565] <... futex resumed>)        = 1
[pid  2567] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2563] exit_group(0 <unfinished ...>
[pid  2565] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2567] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2566] <... futex resumed>)        = ?
[pid  2563] <... exit_group resumed>)   = ?
[pid  2567] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2566] +++ exited with 0 +++
executing program
[pid  2568] <... prctl resumed>)        = 0
[pid  2567] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2564] <... futex resumed>)        = 0
[pid  2568] setpgid(0, 0 <unfinished ...>
[pid  2564] exit_group(0 <unfinished ...>
[pid  2568] <... setpgid resumed>)      = 0
[pid  2564] <... exit_group resumed>)   = ?
[pid  2568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2567] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2565] <... futex resumed>)        = ?
[pid  2563] +++ exited with 0 +++
[pid  2568] <... openat resumed>)       = 3
[pid  2567] <... mmap resumed>)         = 0x7fb4de009000
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2563, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2568] write(3, "1000", 4 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2568] <... write resumed>)        = 4
[pid  2568] close(3)                    = 0
[pid  2568] write(1, "executing program\n", 18) = 18
executing program
[pid  2567] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2565] +++ exited with 0 +++
[pid  2564] +++ exited with 0 +++
[pid  2568] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2568] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2567] <... mprotect resumed>)     = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2564, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2568] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2568] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2567] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2568] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2567] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2567] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2568] <... mmap resumed>)         = 0x7fb4de009000
ci2-android-6-12-rust/strace-static-x86_64: Process 2569 attached
[pid  2568] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2569] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2568] <... mprotect resumed>)     = 0
[pid  2567] <... clone3 resumed> => {parent_tid=[2569]}, 88) = 2569
[pid  2569] <... set_robust_list resumed>) = 0
[pid  2569] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2568] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2567] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2569] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2568] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2567] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2569] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  2568] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2567] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2569] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2567] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2570 attached
[pid  2569] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2570] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2569] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2570] <... set_robust_list resumed>) = 0
[pid  2570] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2569] <... futex resumed>)        = 0
[pid  2570] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2569] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2568] <... clone3 resumed> => {parent_tid=[2570]}, 88) = 2570
[pid  2567] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2570] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2568] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2567] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2568] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2567] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2569] <... futex resumed>)        = 0
[pid  2568] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2567] <... futex resumed>)        = 1
[pid  2569] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2570] <... futex resumed>)        = 0
[pid  2568] <... futex resumed>)        = 1
[pid  2567] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2569] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2569] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2570] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2568] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2567] <... futex resumed>)        = 0
[pid  2569] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2570] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2567] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2570] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2569] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2567] <... futex resumed>)        = 0
[pid  2570] <... futex resumed>)        = 1
[pid  2569] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2568] <... futex resumed>)        = 0
[pid  2567] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2570] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2569] <... openat resumed>)       = 3
[pid  2568] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2570] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2569] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2568] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2571 attached
[pid  2570] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2569] <... futex resumed>)        = 1
[pid  2568] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2567] <... futex resumed>)        = 0
[pid  2567] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2569] write(3, "\x38\x00", 2 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2571
[pid  2571] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2569] <... write resumed>)        = 2
[pid  2567] <... futex resumed>)        = 0
[pid  2571] <... set_robust_list resumed>) = 0
[pid  2570] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2569] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2567] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2569] <... futex resumed>)        = 0
[pid  2567] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2571] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2570] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2569] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2567] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2571] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2571] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2570] <... futex resumed>)        = 1
[pid  2569] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2568] <... futex resumed>)        = 0
[pid  2567] <... futex resumed>)        = 0
[pid  2571] <... prctl resumed>)        = 0
[pid  2570] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2571] setpgid(0, 0 <unfinished ...>
[pid  2569] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2568] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2567] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2571] <... setpgid resumed>)      = 0
[pid  2570] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2570] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2569] <... openat resumed>)       = 4
[pid  2568] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2572 attached
[pid  2570] <... openat resumed>)       = 3
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2572
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2568] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2569] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2567] <... futex resumed>)        = 0
[pid  2571] <... openat resumed>)       = 3
[pid  2567] exit_group(0 <unfinished ...>
[pid  2572] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2571] write(3, "1000", 4 <unfinished ...>
[pid  2570] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2567] <... exit_group resumed>)   = ?
[pid  2572] <... set_robust_list resumed>) = 0
[pid  2570] <... futex resumed>)        = 1
[pid  2569] <... futex resumed>)        = ?
[pid  2572] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2571] <... write resumed>)        = 4
[pid  2570] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2569] +++ exited with 0 +++
[pid  2568] <... futex resumed>)        = 0
[pid  2567] +++ exited with 0 +++
[pid  2572] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2571] close(3 <unfinished ...>
[pid  2570] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2568] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2570] write(3, "\x38\x00", 2 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2567, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2572] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2571] <... close resumed>)        = 0
[pid  2570] <... write resumed>)        = 2
[pid  2568] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2572] <... prctl resumed>)        = 0
[pid  2571] write(1, "executing program\n", 18 <unfinished ...>
[pid  2570] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2573 attached
 <unfinished ...>
[pid  2572] setpgid(0, 0 <unfinished ...>
[pid  2570] <... futex resumed>)        = 1
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2573
[pid  2572] <... setpgid resumed>)      = 0
[pid  2571] <... write resumed>)        = 18
[pid  2573] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2568] <... futex resumed>)        = 0
[pid  2570] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2568] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2570] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
executing program
[pid  2571] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2573] <... set_robust_list resumed>) = 0
[pid  2572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2571] <... futex resumed>)        = 0
[pid  2570] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2568] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2571] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2570] <... openat resumed>)       = 4
[pid  2568] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2573] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2571] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2572] <... openat resumed>)       = 3
[pid  2572] write(3, "1000", 4)         = 4
executing program
[pid  2572] close(3)                    = 0
[pid  2572] write(1, "executing program\n", 18) = 18
[pid  2572] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2572] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2572] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2572] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2572] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2572] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2571] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2573] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2571] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2570] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2572] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2573] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2572] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2570] <... futex resumed>)        = 1
[pid  2568] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2574 attached
[pid  2573] <... prctl resumed>)        = 0
[pid  2574] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2572] <... clone3 resumed> => {parent_tid=[2574]}, 88) = 2574
[pid  2574] <... set_robust_list resumed>) = 0
[pid  2573] setpgid(0, 0 <unfinished ...>
[pid  2572] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2571] <... mmap resumed>)         = 0x7fb4de009000
[pid  2570] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2568] exit_group(0 <unfinished ...>
[pid  2574] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2573] <... setpgid resumed>)      = 0
[pid  2572] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2571] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2568] <... exit_group resumed>)   = ?
[pid  2574] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2572] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2570] <... futex resumed>)        = ?
[pid  2574] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2572] <... futex resumed>)        = 0
[pid  2571] <... mprotect resumed>)     = 0
[pid  2573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2570] +++ exited with 0 +++
[pid  2574] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2572] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2574] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2572] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2574] <... futex resumed>)        = 0
[pid  2572] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2574] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2572] <... futex resumed>)        = 0
[pid  2574] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2572] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2574] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2568] +++ exited with 0 +++
[pid  2572] <... futex resumed>)        = 0
[pid  2571] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2574] <... futex resumed>)        = 1
[pid  2572] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2574] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2573] <... openat resumed>)       = 3
[pid  2572] <... futex resumed>)        = 0
[pid  2571] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2574] <... openat resumed>)       = 3
[pid  2573] write(3, "1000", 4 <unfinished ...>
[pid  2572] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2571] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2568, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2573] <... write resumed>)        = 4
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2574] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2572] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 2575 attached
[pid  2574] <... futex resumed>)        = 0
[pid  2572] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2573] close(3 <unfinished ...>
[pid  2574] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2572] <... futex resumed>)        = 0
[pid  2575] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2574] <... write resumed>)        = 2
[pid  2573] <... close resumed>)        = 0
[pid  2572] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2575] <... set_robust_list resumed>) = 0
[pid  2574] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2572] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2575] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2574] <... futex resumed>)        = 0
[pid  2572] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2575] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2574] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2572] <... futex resumed>)        = 0
[pid  2575] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2574] <... openat resumed>)       = 4
[pid  2573] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  2572] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2571] <... clone3 resumed> => {parent_tid=[2575]}, 88) = 2575
[pid  2573] <... write resumed>)        = 18
[pid  2571] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2574] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2573] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2571] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2574] <... futex resumed>)        = 1
[pid  2573] <... futex resumed>)        = 0
[pid  2572] <... futex resumed>)        = 0
[pid  2571] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2574] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2573] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2572] exit_group(0 <unfinished ...>
[pid  2575] <... futex resumed>)        = 0
[pid  2574] <... futex resumed>)        = ?
[pid  2573] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2572] <... exit_group resumed>)   = ?
[pid  2571] <... futex resumed>)        = 1
[pid  2575] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2574] +++ exited with 0 +++
[pid  2573] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2572] +++ exited with 0 +++
[pid  2571] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2573] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2575] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2573] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2572, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2575] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2575] <... futex resumed>)        = 1
[pid  2571] <... futex resumed>)        = 0
[pid  2573] <... mmap resumed>)         = 0x7fb4de009000
[pid  2571] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2573] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2575] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  2573] <... mprotect resumed>)     = 0
[pid  2571] <... futex resumed>)        = 0
[pid  2575] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2575] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2573] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2571] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2573] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2571] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2573] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2571] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2575] <... futex resumed>)        = 0
[pid  2571] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 2576 attached
[pid  2575] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2571] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2576] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2575] <... openat resumed>)       = 3
[pid  2576] <... set_robust_list resumed>) = 0
[pid  2575] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2576] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2575] <... futex resumed>)        = 1
[pid  2573] <... clone3 resumed> => {parent_tid=[2576]}, 88) = 2576
[pid  2571] <... futex resumed>)        = 0
[pid  2573] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2571] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2573] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2571] <... futex resumed>)        = 0
[pid  2573] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2571] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2576] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2575] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2573] <... futex resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  2576] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2575] <... write resumed>)        = 2
[pid  2576] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2575] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2573] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2576] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2575] <... futex resumed>)        = 1
[pid  2573] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2571] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2576] <... futex resumed>)        = 0
[pid  2575] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2573] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2571] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2576] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2575] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2573] <... futex resumed>)        = 0
[pid  2571] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2578 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2577 attached
 <unfinished ...>
[pid  2576] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2575] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2573] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2571] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2576] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2575] <... openat resumed>)       = 4
[pid  2578] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2576] <... futex resumed>)        = 1
[pid  2575] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2578] <... set_robust_list resumed>) = 0
[pid  2576] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2575] <... futex resumed>)        = 1
[pid  2578] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2575] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2578
[pid  2578] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2578] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2578] <... prctl resumed>)        = 0
[pid  2578] setpgid(0, 0)               = 0
[pid  2578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2577] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2573] <... futex resumed>)        = 0
[pid  2571] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2577
[pid  2578] <... openat resumed>)       = 3
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2577] <... set_robust_list resumed>) = 0
[pid  2573] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2571] exit_group(0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2571] <... exit_group resumed>)   = ?
[pid  2573] <... futex resumed>)        = 1
[pid  2577] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2573] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2577] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2578] write(3, "1000", 4 <unfinished ...>
[pid  2576] <... futex resumed>)        = 0
[pid  2575] <... futex resumed>)        = ?
[pid  2578] <... write resumed>)        = 4
[pid  2577] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2576] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2575] +++ exited with 0 +++
[pid  2571] +++ exited with 0 +++
[pid  2578] close(3 <unfinished ...>
[pid  2577] <... prctl resumed>)        = 0
[pid  2576] <... openat resumed>)       = 3
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2571, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2578] <... close resumed>)        = 0
[pid  2576] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2578] write(1, "executing program\n", 18 <unfinished ...>
[pid  2577] setpgid(0, 0 <unfinished ...>
[pid  2576] <... futex resumed>)        = 1
executing program
[pid  2573] <... futex resumed>)        = 0
[pid  2578] <... write resumed>)        = 18
[pid  2577] <... setpgid resumed>)      = 0
[pid  2576] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2573] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2578] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2576] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2578] <... futex resumed>)        = 0
[pid  2577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2576] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2573] <... futex resumed>)        = 0
[pid  2578] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2576] <... write resumed>)        = 2
[pid  2578] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2576] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2573] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2578] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2577] <... openat resumed>)       = 3
[pid  2576] <... futex resumed>)        = 0
[pid  2578] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2573] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2578] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2576] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2573] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2578] <... mmap resumed>)         = 0x7fb4de009000
[pid  2577] write(3, "1000", 4 <unfinished ...>
[pid  2576] <... openat resumed>)       = 4
[pid  2578] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2573] <... futex resumed>)        = 0
[pid  2577] <... write resumed>)        = 4
[pid  2573] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2577] close(3 <unfinished ...>
[pid  2578] <... mprotect resumed>)     = 0
[pid  2577] <... close resumed>)        = 0
[pid  2576] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2578] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2577] write(1, "executing program\n", 18 <unfinished ...>
[pid  2576] <... futex resumed>)        = 1
[pid  2573] <... futex resumed>)        = 0
[pid  2578] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2577] <... write resumed>)        = 18
[pid  2576] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
executing program
[pid  2578] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2577] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2573] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 2579 attached
 <unfinished ...>
[pid  2577] <... futex resumed>)        = 0
[pid  2578] <... clone3 resumed> => {parent_tid=[2579]}, 88) = 2579
[pid  2577] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2579] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2576] <... futex resumed>)        = ?
[pid  2573] <... exit_group resumed>)   = ?
[pid  2577] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2579] <... set_robust_list resumed>) = 0
[pid  2577] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2579] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2577] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2579] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2579] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2578] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2577] <... mmap resumed>)         = 0x7fb4de009000
[pid  2576] +++ exited with 0 +++
[pid  2573] +++ exited with 0 +++
[pid  2578] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2577] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2573, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2578] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2579] <... futex resumed>)        = 0
[pid  2578] <... futex resumed>)        = 1
[pid  2577] <... mprotect resumed>)     = 0
[pid  2578] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2579] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2577] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2579] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2577] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2579] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2578] <... futex resumed>)        = 0
[pid  2577] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2579] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2578] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2580 attached
 <unfinished ...>
[pid  2579] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2578] <... futex resumed>)        = 0
[pid  2578] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2580] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2579] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2577] <... clone3 resumed> => {parent_tid=[2580]}, 88) = 2580
[pid  2580] <... set_robust_list resumed>) = 0
[pid  2579] <... futex resumed>)        = 1
[pid  2578] <... futex resumed>)        = 0
[pid  2577] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2580] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2579] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2578] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2577] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2580] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2579] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2578] <... futex resumed>)        = 0
[pid  2577] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2578] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2580] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2580] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2579] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2577] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2581 attached
[pid  2580] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2579] <... openat resumed>)       = 3
[pid  2577] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2580] <... futex resumed>)        = 0
[pid  2581] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2580] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2579] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2577] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2581] <... set_robust_list resumed>) = 0
[pid  2577] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2580] <... futex resumed>)        = 0
[pid  2577] <... futex resumed>)        = 1
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2581
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2581] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2580] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2579] <... futex resumed>)        = 1
[pid  2578] <... futex resumed>)        = 0
[pid  2577] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2581] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2580] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2579] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2578] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2580] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2579] <... write resumed>)        = 2
[pid  2578] <... futex resumed>)        = 0
[pid  2581] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2581] <... prctl resumed>)        = 0
[pid  2580] <... futex resumed>)        = 1
[pid  2579] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2578] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2577] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2582 attached
[pid  2581] setpgid(0, 0 <unfinished ...>
[pid  2580] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2579] <... futex resumed>)        = 0
[pid  2578] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2577] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2581] <... setpgid resumed>)      = 0
[pid  2580] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2579] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2577] <... futex resumed>)        = 0
[pid  2577] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2580] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2578] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2582
[pid  2581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2579] <... futex resumed>)        = 0
[pid  2578] <... futex resumed>)        = 1
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2579] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2578] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2582] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2579] <... openat resumed>)       = 4
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2579] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2581] <... openat resumed>)       = 3
[pid  2578] <... futex resumed>)        = 0
[pid  2582] <... set_robust_list resumed>) = 0
[pid  2581] write(3, "1000", 4 <unfinished ...>
[pid  2580] <... openat resumed>)       = 3
[pid  2579] <... futex resumed>)        = 1
[pid  2578] exit_group(0 <unfinished ...>
[pid  2582] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2581] <... write resumed>)        = 4
[pid  2580] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2578] <... exit_group resumed>)   = ?
[pid  2582] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2581] close(3 <unfinished ...>
[pid  2580] <... futex resumed>)        = 1
[pid  2579] +++ exited with 0 +++
[pid  2578] +++ exited with 0 +++
[pid  2577] <... futex resumed>)        = 0
[pid  2581] <... close resumed>)        = 0
[pid  2580] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2578, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2582] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2581] write(1, "executing program\n", 18 <unfinished ...>
[pid  2580] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2577] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2580] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2577] <... futex resumed>)        = 0
[pid  2577] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2582] <... prctl resumed>)        = 0
[pid  2581] <... write resumed>)        = 18
[pid  2580] <... write resumed>)        = 2
executing program
[pid  2582] setpgid(0, 0 <unfinished ...>
[pid  2581] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2580] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2582] <... setpgid resumed>)      = 0
[pid  2581] <... futex resumed>)        = 0
[pid  2577] <... futex resumed>)        = 0
[pid  2580] <... futex resumed>)        = 1
[pid  2582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2581] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2577] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2581] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2580] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2577] <... futex resumed>)        = 0
[pid  2582] <... openat resumed>)       = 3
[pid  2581] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2580] <... openat resumed>)       = 4
[pid  2582] write(3, "1000", 4 <unfinished ...>
[pid  2581] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2577] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2582] <... write resumed>)        = 4
[pid  2581] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2582] close(3)                    = 0
[pid  2581] <... mmap resumed>)         = 0x7fb4de009000
[pid  2580] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2582] write(1, "executing program\n", 18 <unfinished ...>
[pid  2580] <... futex resumed>)        = 1
executing program
[pid  2582] <... write resumed>)        = 18
[pid  2581] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2580] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2577] <... futex resumed>)        = 0
[pid  2582] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2581] <... mprotect resumed>)     = 0
[pid  2577] exit_group(0 <unfinished ...>
[pid  2582] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2581] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2582] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2580] <... futex resumed>)        = ?
[pid  2577] <... exit_group resumed>)   = ?
[pid  2582] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2581] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2582] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2582] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2581] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2580] +++ exited with 0 +++
[pid  2577] +++ exited with 0 +++
[pid  2582] <... mmap resumed>)         = 0x7fb4de009000
ci2-android-6-12-rust/strace-static-x86_64: Process 2583 attached
[pid  2582] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2577, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2582] <... mprotect resumed>)     = 0
[pid  2581] <... clone3 resumed> => {parent_tid=[2583]}, 88) = 2583
[pid  2583] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2581] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2583] <... set_robust_list resumed>) = 0
[pid  2582] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2581] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2583] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2582] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2583] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2581] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2582] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2583] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2581] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2584 attached
[pid  2581] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2582] <... clone3 resumed> => {parent_tid=[2584]}, 88) = 2584
[pid  2584] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2583] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2584] <... set_robust_list resumed>) = 0
[pid  2582] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2584] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2583] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2582] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2584] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2583] <... futex resumed>)        = 1
[pid  2581] <... futex resumed>)        = 0
[pid  2582] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2584] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2583] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2582] <... futex resumed>)        = 0
[pid  2581] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2584] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2583] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2582] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2581] <... futex resumed>)        = 0
[pid  2584] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2583] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2582] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2581] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2584] <... futex resumed>)        = 0
[pid  2584] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2583] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2582] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2584] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2582] <... futex resumed>)        = 0
[pid  2584] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2584] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2583] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2582] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2583] <... futex resumed>)        = 1
[pid  2582] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2581] <... futex resumed>)        = 0
[pid  2583] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2582] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2584] <... futex resumed>)        = 0
[pid  2582] <... futex resumed>)        = 1
[pid  2581] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2584] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2583] <... futex resumed>)        = 0
[pid  2582] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2581] <... futex resumed>)        = 1
[pid  2584] <... openat resumed>)       = 3
[pid  2583] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2581] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2584] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2583] <... openat resumed>)       = 3
[pid  2582] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2584] <... futex resumed>)        = 0
[pid  2583] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2582] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2584] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2583] <... futex resumed>)        = 1
[pid  2582] <... futex resumed>)        = 0
[pid  2581] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  2584] <... write resumed>)        = 2
[pid  2583] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2584] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2583] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2582] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2581] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2584] <... futex resumed>)        = 0
[pid  2583] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2582] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2584] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2583] <... write resumed>)        = 2
[pid  2582] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2581] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2585 attached
[pid  2584] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2583] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2582] <... futex resumed>)        = 0
[pid  2581] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2581] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2585] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2582] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2581] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2585] <... set_robust_list resumed>) = 0
[pid  2584] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2583] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2585
[pid  2584] <... openat resumed>)       = 4
[pid  2583] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2584] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2583] <... openat resumed>)       = 4
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2584] <... futex resumed>)        = 0
[pid  2583] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2584] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2583] <... futex resumed>)        = 0
[pid  2583] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2582] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2582] exit_group(0 <unfinished ...>
[pid  2584] <... futex resumed>)        = ?
[pid  2584] +++ exited with 0 +++
[pid  2583] <... futex resumed>)        = 0
[pid  2581] <... futex resumed>)        = 1
[pid  2583] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2582] <... exit_group resumed>)   = ?
[pid  2585] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2582] +++ exited with 0 +++
[pid  2581] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2585] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2581] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2586
ci2-android-6-12-rust/strace-static-x86_64: Process 2586 attached
[pid  2581] exit_group(0 <unfinished ...>
[pid  2586] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2586] <... set_robust_list resumed>) = 0
[pid  2586] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2585] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2583] <... futex resumed>)        = ?
[pid  2581] <... exit_group resumed>)   = ?
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2582, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2586] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2585] <... prctl resumed>)        = 0
[pid  2583] +++ exited with 0 +++
[pid  2581] +++ exited with 0 +++
[pid  2586] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2585] setpgid(0, 0)               = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2581, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2586] <... prctl resumed>)        = 0
[pid  2586] setpgid(0, 0 <unfinished ...>
[pid  2585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2586] <... setpgid resumed>)      = 0
[pid  2586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2586] write(3, "1000", 4)         = 4
[pid  2585] <... openat resumed>)       = 3
[pid  2586] close(3 <unfinished ...>
[pid  2585] write(3, "1000", 4 <unfinished ...>
[pid  2586] <... close resumed>)        = 0
[pid  2586] write(1, "executing program\n", 18) = 18
[pid  2586] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid  2586] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2586] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2586] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2586] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2586] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2585] <... write resumed>)        = 4
[pid  2585] close(3ci2-android-6-12-rust/strace-static-x86_64: Process 2587 attached
 <unfinished ...>
[pid  2586] <... clone3 resumed> => {parent_tid=[2587]}, 88) = 2587
[pid  2585] <... close resumed>)        = 0
[pid  2587] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2586] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2585] write(1, "executing program\n", 18 <unfinished ...>
[pid  2586] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  2587] <... set_robust_list resumed>) = 0
[pid  2586] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2585] <... write resumed>)        = 18
[pid  2587] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2586] <... futex resumed>)        = 0
[pid  2587] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2585] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2586] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2587] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2585] <... futex resumed>)        = 0
[pid  2587] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2587] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2585] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2587] <... futex resumed>)        = 1
[pid  2586] <... futex resumed>)        = 0
[pid  2585] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2587] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2586] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2585] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2587] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2586] <... futex resumed>)        = 0
[pid  2585] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2587] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2586] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2587] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2585] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2587] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2585] <... mmap resumed>)         = 0x7fb4de009000
[pid  2587] <... futex resumed>)        = 1
[pid  2586] <... futex resumed>)        = 0
[pid  2585] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2587] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2586] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2587] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2585] <... mprotect resumed>)     = 0
[pid  2587] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2586] <... futex resumed>)        = 0
[pid  2587] <... openat resumed>)       = 3
[pid  2586] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2585] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2587] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2585] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2587] <... futex resumed>)        = 1
[pid  2586] <... futex resumed>)        = 0
[pid  2587] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2586] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2585] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2587] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2586] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2588 attached
[pid  2587] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2586] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2588] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2587] <... write resumed>)        = 2
[pid  2585] <... clone3 resumed> => {parent_tid=[2588]}, 88) = 2588
[pid  2585] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2588] <... set_robust_list resumed>) = 0
[pid  2587] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2588] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2587] <... futex resumed>)        = 1
[pid  2586] <... futex resumed>)        = 0
[pid  2585] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2588] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2587] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2586] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2585] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2588] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2587] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2586] <... futex resumed>)        = 0
[pid  2588] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2587] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2586] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2585] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2585] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2588] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2587] <... openat resumed>)       = 4
[pid  2588] <... futex resumed>)        = 0
[pid  2588] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2587] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2586] <... futex resumed>)        = 0
[pid  2587] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2586] exit_group(0 <unfinished ...>
[pid  2587] <... futex resumed>)        = ?
[pid  2586] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 2589 attached
[pid  2587] +++ exited with 0 +++
[pid  2586] +++ exited with 0 +++
[pid  2585] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2585] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2589
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2586, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2588] <... futex resumed>)        = 0
[pid  2585] <... futex resumed>)        = 1
[pid  2588] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2585] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2589] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2588] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2589] <... set_robust_list resumed>) = 0
[pid  2588] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2589] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2589] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2588] <... futex resumed>)        = 1
[pid  2588] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 2590 attached
 <unfinished ...>
[pid  2589] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2585] <... futex resumed>)        = 0
[pid  2589] <... prctl resumed>)        = 0
[pid  2585] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2590
[pid  2589] setpgid(0, 0 <unfinished ...>
[pid  2588] <... futex resumed>)        = 0
[pid  2585] <... futex resumed>)        = 1
[pid  2589] <... setpgid resumed>)      = 0
[pid  2588] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2590] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2588] <... openat resumed>)       = 3
[pid  2585] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2590] <... set_robust_list resumed>) = 0
[pid  2589] <... openat resumed>)       = 3
[pid  2588] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2585] <... futex resumed>)        = 0
[pid  2590] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2588] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2585] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2589] write(3, "1000", 4 <unfinished ...>
[pid  2588] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2585] <... futex resumed>)        = 0
[pid  2590] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2589] <... write resumed>)        = 4
[pid  2588] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2585] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2590] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2589] close(3 <unfinished ...>
[pid  2588] <... write resumed>)        = 2
[pid  2589] <... close resumed>)        = 0
[pid  2588] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2589] write(1, "executing program\n", 18 <unfinished ...>
[pid  2588] <... futex resumed>)        = 1
[pid  2590] <... prctl resumed>)        = 0
[pid  2589] <... write resumed>)        = 18
executing program
[pid  2588] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2585] <... futex resumed>)        = 0
[pid  2590] setpgid(0, 0 <unfinished ...>
[pid  2589] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2585] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2589] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2590] <... setpgid resumed>)      = 0
[pid  2585] <... futex resumed>)        = 1
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2589] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2588] <... futex resumed>)        = 0
[pid  2589] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2588] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2585] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2589] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2588] <... openat resumed>)       = 4
[pid  2589] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2588] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2589] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2588] <... futex resumed>)        = 0
[pid  2589] <... mprotect resumed>)     = 0
[pid  2588] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2585] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 2591 attached
[pid  2590] <... openat resumed>)       = 3
[pid  2589] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2591] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2590] write(3, "1000", 4 <unfinished ...>
[pid  2589] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2585] exit_group(0 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2591
[pid  2590] <... write resumed>)        = 4
[pid  2585] <... exit_group resumed>)   = ?
[pid  2591] <... set_robust_list resumed>) = 0
[pid  2589] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2588] <... futex resumed>)        = ?
[pid   314] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2592 attached
 <unfinished ...>
[pid  2591] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2590] close(3 <unfinished ...>
[pid  2588] +++ exited with 0 +++
[pid  2585] +++ exited with 0 +++
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2592] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2591] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2590] <... close resumed>)        = 0
[pid  2589] <... clone3 resumed> => {parent_tid=[2592]}, 88) = 2592
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2585, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
executing program
[pid  2592] <... set_robust_list resumed>) = 0
[pid  2591] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2590] write(1, "executing program\n", 18 <unfinished ...>
[pid  2589] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2592] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2591] <... prctl resumed>)        = 0
[pid  2590] <... write resumed>)        = 18
[pid  2589] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2592] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2591] setpgid(0, 0 <unfinished ...>
[pid  2590] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2589] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2591] <... setpgid resumed>)      = 0
[pid  2589] <... futex resumed>)        = 0
[pid  2591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2589] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2591] <... openat resumed>)       = 3
[pid  2591] write(3, "1000", 4)         = 4
[pid  2592] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2590] <... futex resumed>)        = 0
[pid  2591] close(3)                    = 0
[pid  2590] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2592] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2590] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2592] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2590] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2592] <... futex resumed>)        = 1
[pid  2590] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2592] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2591] write(1, "executing program\n", 18 <unfinished ...>
[pid  2589] <... futex resumed>)        = 0
[pid  2591] <... write resumed>)        = 18
executing program
[pid  2590] <... mmap resumed>)         = 0x7fb4de009000
[pid  2589] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2591] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2590] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2589] <... futex resumed>)        = 1
[pid  2592] <... futex resumed>)        = 0
[pid  2591] <... futex resumed>)        = 0
[pid  2589] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2591] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2590] <... mprotect resumed>)     = 0
[pid  2592] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2591] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2591] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2592] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2592] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2591] <... mmap resumed>)         = 0x7fb4de009000
[pid  2590] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2592] <... futex resumed>)        = 1
[pid  2591] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2589] <... futex resumed>)        = 0
[pid  2592] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2591] <... mprotect resumed>)     = 0
[pid  2590] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2589] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2592] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2591] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2590] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2589] <... futex resumed>)        = 0
[pid  2592] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2591] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2589] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2592] <... openat resumed>)       = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 2593 attached
[pid  2591] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2593] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2592] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2590] <... clone3 resumed> => {parent_tid=[2593]}, 88) = 2593
ci2-android-6-12-rust/strace-static-x86_64: Process 2594 attached
[pid  2593] <... set_robust_list resumed>) = 0
[pid  2592] <... futex resumed>)        = 1
[pid  2591] <... clone3 resumed> => {parent_tid=[2594]}, 88) = 2594
[pid  2590] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2589] <... futex resumed>)        = 0
[pid  2593] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2592] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2591] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2590] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2589] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2594] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2593] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2592] <... write resumed>)        = 2
[pid  2591] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2590] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2589] <... futex resumed>)        = 0
[pid  2594] <... set_robust_list resumed>) = 0
[pid  2593] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2592] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2591] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2590] <... futex resumed>)        = 0
[pid  2589] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2594] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2593] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2592] <... futex resumed>)        = 0
[pid  2591] <... futex resumed>)        = 0
[pid  2590] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2589] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2594] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2593] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2592] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2591] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2589] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2592] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2590] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] <... restart_syscall resumed>) = 0
[pid  2592] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2590] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2594] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2593] <... futex resumed>)        = 0
[pid  2589] <... futex resumed>)        = 0
[pid  2594] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2593] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2592] <... openat resumed>)       = 4
[pid  2590] <... futex resumed>)        = 0
[pid  2589] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2594] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2593] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2592] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2590] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2589] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2594] <... futex resumed>)        = 1
[pid  2593] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2592] <... futex resumed>)        = 0
[pid  2591] <... futex resumed>)        = 0
[pid  2590] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2589] exit_group(0 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2594] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2593] <... futex resumed>)        = 0
[pid  2591] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2590] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2589] <... exit_group resumed>)   = ?
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2595 attached
 <unfinished ...>
[pid  2594] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2593] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2592] +++ exited with 0 +++
[pid  2591] <... futex resumed>)        = 0
[pid  2590] <... futex resumed>)        = 0
[pid  2589] +++ exited with 0 +++
[pid  2594] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2593] <... openat resumed>)       = 3
[pid  2591] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2590] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2595] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2594] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2593] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2590] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2589, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2595
[pid  2595] <... set_robust_list resumed>) = 0
[pid  2594] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2593] <... futex resumed>)        = 0
[pid  2590] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2595] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2594] <... futex resumed>)        = 1
[pid  2593] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2591] <... futex resumed>)        = 0
[pid  2590] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2594] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2593] <... write resumed>)        = 2
[pid  2591] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2594] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2593] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2591] <... futex resumed>)        = 0
[pid  2594] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2593] <... futex resumed>)        = 0
[pid  2591] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2594] <... openat resumed>)       = 3
[pid  2593] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2594] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2591] <... futex resumed>)        = 0
[pid  2594] <... futex resumed>)        = 1
[pid  2591] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2594] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2591] <... futex resumed>)        = 0
[pid  2594] <... write resumed>)        = 2
[pid  2591] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2594] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2591] <... futex resumed>)        = 0
[pid  2594] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2591] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2594] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2591] <... futex resumed>)        = 0
[pid  2594] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2591] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2594] <... openat resumed>)       = 4
[pid  2595] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2590] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2594] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2591] <... futex resumed>)        = 0
[pid  2590] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2595] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2594] <... futex resumed>)        = 1
[pid  2591] exit_group(0 <unfinished ...>
[pid  2590] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2595] <... prctl resumed>)        = 0
[pid  2593] <... futex resumed>)        = 0
[pid  2591] <... exit_group resumed>)   = ?
[pid  2590] <... futex resumed>)        = 1
[pid  2595] setpgid(0, 0 <unfinished ...>
[pid  2594] +++ exited with 0 +++
[pid  2593] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2595] <... setpgid resumed>)      = 0
[pid  2593] <... openat resumed>)       = 4
[pid  2591] +++ exited with 0 +++
[pid  2590] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2593] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2590] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2593] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2591, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2593] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2590] exit_group(0 <unfinished ...>
[pid  2595] <... openat resumed>)       = 3
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2595] write(3, "1000", 4 <unfinished ...>
[pid  2590] <... exit_group resumed>)   = ?
[pid  2595] <... write resumed>)        = 4
[pid  2593] <... futex resumed>)        = ?
[pid  2595] close(3 <unfinished ...>
[pid  2593] +++ exited with 0 +++
[pid  2590] +++ exited with 0 +++
[pid  2595] <... close resumed>)        = 0
[pid  2595] write(1, "executing program\n", 18 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2590, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2595] <... write resumed>)        = 18
executing program
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2595] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2595] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2595] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2595] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2595] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2595] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2596 attached
 => {parent_tid=[2596]}, 88) = 2596
[pid  2596] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2595] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2596] <... set_robust_list resumed>) = 0
[pid  2595] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2596] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2595] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2596] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2595] <... futex resumed>)        = 0
[pid  2595] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2596] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  2596] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2595] <... futex resumed>)        = 0
[pid  2596] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2595] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2595] <... futex resumed>)        = 1
[pid  2595] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2596] <... futex resumed>)        = 0
[pid  2596] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2596] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2596] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2595] <... futex resumed>)        = 0
[pid  2595] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2596] <... futex resumed>)        = 0
[pid  2595] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 2597 attached
[pid  2595] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2596] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2597] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2596] <... openat resumed>)       = 3
[pid  2596] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2596] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2597
[pid  2597] <... set_robust_list resumed>) = 0
[pid  2595] <... futex resumed>)        = 0
[pid  2595] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2597] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2596] <... futex resumed>)        = 0
[pid  2595] <... futex resumed>)        = 1
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2597] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2596] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2595] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2596] <... write resumed>)        = 2
[pid  2596] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2597] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2596] <... futex resumed>)        = 0
[pid  2595] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2596] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2597] <... prctl resumed>)        = 0
[pid  2597] setpgid(0, 0)               = 0
[pid  2595] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2596] <... futex resumed>)        = 0
[pid  2595] <... futex resumed>)        = 1
[pid  2595] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2596] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2597] write(3, "1000", 4 <unfinished ...>
[pid  2596] <... openat resumed>)       = 4
[pid  2597] <... write resumed>)        = 4
[pid  2597] close(3 <unfinished ...>
[pid  2596] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2597] <... close resumed>)        = 0
[pid  2596] <... futex resumed>)        = 1
[pid  2595] <... futex resumed>)        = 0
[pid  2597] write(1, "executing program\n", 18 <unfinished ...>
[pid  2596] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2597] <... write resumed>)        = 18
executing program
[pid  2595] exit_group(0 <unfinished ...>
[pid  2597] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2596] <... futex resumed>)        = ?
[pid   315] <... restart_syscall resumed>) = 0
[pid  2597] <... futex resumed>)        = 0
[pid  2596] +++ exited with 0 +++
[pid  2597] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2597] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2595] <... exit_group resumed>)   = ?
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2597] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2598 attached
 <unfinished ...>
[pid  2597] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2595] +++ exited with 0 +++
[pid   314] <... restart_syscall resumed>) = 0
[pid  2597] <... mprotect resumed>)     = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2595, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2598] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2597] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2598] <... set_robust_list resumed>) = 0
[pid  2597] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2598] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2597] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2598
[pid   315] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2599 attached
 <unfinished ...>
[pid  2598] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2597] <... clone3 resumed> => {parent_tid=[2599]}, 88) = 2599
[pid  2598] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2597] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2599] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2598] <... prctl resumed>)        = 0
[pid  2597] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2599] <... set_robust_list resumed>) = 0
[pid  2598] setpgid(0, 0 <unfinished ...>
[pid  2597] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2598] <... setpgid resumed>)      = 0
[pid  2597] <... futex resumed>)        = 0
[pid  2598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2597] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2598] <... openat resumed>)       = 3
[pid  2599] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2599] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2599] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2598] write(3, "1000", 4 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2599] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2598] <... write resumed>)        = 4
[pid  2599] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2598] close(3 <unfinished ...>
[pid  2597] <... futex resumed>)        = 0
[pid  2599] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2598] <... close resumed>)        = 0
[pid  2597] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2600 attached
 <unfinished ...>
[pid  2599] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2598] write(1, "executing program\n", 18 <unfinished ...>
[pid  2600] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2599] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2597] <... futex resumed>)        = 0
[pid  2600] <... set_robust_list resumed>) = 0
[pid  2598] <... write resumed>)        = 18
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2600
executing program
[pid  2600] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2599] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2598] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2597] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2600] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2598] <... futex resumed>)        = 0
[pid  2599] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2600] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2598] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2597] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2599] <... futex resumed>)        = 1
[pid  2597] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2599] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2597] <... futex resumed>)        = 0
[pid  2599] <... openat resumed>)       = 3
[pid  2597] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2599] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2597] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2599] <... futex resumed>)        = 0
[pid  2597] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2599] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2597] <... futex resumed>)        = 0
[pid  2599] <... write resumed>)        = 2
[pid  2597] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2599] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2597] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2599] <... futex resumed>)        = 0
[pid  2597] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2599] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid  2597] <... futex resumed>)        = 0
[pid  2597] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2600] <... prctl resumed>)        = 0
[pid  2598] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2600] setpgid(0, 0 <unfinished ...>
[pid  2598] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2600] <... setpgid resumed>)      = 0
[pid  2598] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2599] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2597] <... futex resumed>)        = 0
[pid  2599] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2597] exit_group(0 <unfinished ...>
[pid  2600] <... openat resumed>)       = 3
[pid  2599] <... futex resumed>)        = ?
[pid  2597] <... exit_group resumed>)   = ?
[pid  2598] <... mmap resumed>)         = 0x7fb4de009000
[pid  2600] write(3, "1000", 4 <unfinished ...>
[pid  2599] +++ exited with 0 +++
[pid  2598] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2597] +++ exited with 0 +++
[pid  2600] <... write resumed>)        = 4
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2597, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2600] close(3 <unfinished ...>
[pid  2598] <... mprotect resumed>)     = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2600] <... close resumed>)        = 0
[pid  2598] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2600] write(1, "executing program\n", 18 <unfinished ...>
[pid  2598] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2600] <... write resumed>)        = 18
[pid  2600] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2598] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2600] <... futex resumed>)        = 0
executing program
[pid  2600] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}ci2-android-6-12-rust/strace-static-x86_64: Process 2601 attached
, NULL, 8) = 0
[pid  2598] <... clone3 resumed> => {parent_tid=[2601]}, 88) = 2601
[pid  2601] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2600] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2598] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2601] <... set_robust_list resumed>) = 0
[pid  2600] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2598] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2601] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2600] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2598] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2601] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2600] <... mmap resumed>)         = 0x7fb4de009000
[pid  2598] <... futex resumed>)        = 0
[pid  2601] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2598] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2601] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2600] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2601] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2600] <... mprotect resumed>)     = 0
[pid  2601] <... futex resumed>)        = 1
[pid  2600] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2598] <... futex resumed>)        = 0
[pid  2601] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2600] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2598] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2601] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2600] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2598] <... futex resumed>)        = 0
[pid  2598] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2601] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2602 attached
 <unfinished ...>
[pid  2601] <... futex resumed>)        = 1
[pid  2598] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2602] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2601] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2600] <... clone3 resumed> => {parent_tid=[2602]}, 88) = 2602
[pid  2598] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2602] <... set_robust_list resumed>) = 0
[pid  2601] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2600] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2598] <... futex resumed>)        = 0
[pid  2602] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2601] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2600] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2602] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2601] <... openat resumed>)       = 3
[pid  2600] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2598] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2602] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2600] <... futex resumed>)        = 0
[pid  2602] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2602] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2601] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2600] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2602] <... futex resumed>)        = 0
[pid  2601] <... futex resumed>)        = 1
[pid  2600] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2598] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2602] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2601] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2600] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2598] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2602] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2601] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2600] <... futex resumed>)        = 0
[pid  2598] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2602] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2601] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2600] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2598] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2602] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2601] <... write resumed>)        = 2
[pid  2601] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2598] <... futex resumed>)        = 0
[pid  2602] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2601] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2598] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2603 attached
 <unfinished ...>
[pid  2601] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2603] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2601] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2603] <... set_robust_list resumed>) = 0
[pid  2601] <... openat resumed>)       = 4
[pid  2603] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2601] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2601] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2603] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2604 attached
[pid  2603] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2602] <... futex resumed>)        = 1
[pid  2601] <... futex resumed>)        = 0
[pid  2600] <... futex resumed>)        = 0
[pid  2598] <... futex resumed>)        = 1
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2603
[pid  2603] <... prctl resumed>)        = 0
[pid  2602] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2601] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2600] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2598] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2604
[pid  2604] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2603] setpgid(0, 0 <unfinished ...>
[pid  2602] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2600] <... futex resumed>)        = 0
[pid  2598] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2604] <... set_robust_list resumed>) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2603] <... setpgid resumed>)      = 0
[pid  2600] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2604] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2602] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2598] exit_group(0 <unfinished ...>
[pid  2604] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2603] <... openat resumed>)       = 3
[pid  2602] <... openat resumed>)       = 3
[pid  2598] <... exit_group resumed>)   = ?
[pid  2603] write(3, "1000", 4 <unfinished ...>
[pid  2601] <... futex resumed>)        = ?
[pid  2604] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2603] <... write resumed>)        = 4
[pid  2602] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2601] +++ exited with 0 +++
[pid  2598] +++ exited with 0 +++
[pid  2604] <... prctl resumed>)        = 0
[pid  2603] close(3 <unfinished ...>
[pid  2602] <... futex resumed>)        = 1
[pid  2600] <... futex resumed>)        = 0
[pid  2604] setpgid(0, 0 <unfinished ...>
[pid  2603] <... close resumed>)        = 0
[pid  2602] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2600] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2598, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2604] <... setpgid resumed>)      = 0
[pid  2603] write(1, "executing program\n", 18 <unfinished ...>
[pid  2602] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2600] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2603] <... write resumed>)        = 18
[pid  2600] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
executing program
[pid  2603] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2603] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2603] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2603] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2603] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2603] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2602] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2602] <... write resumed>)        = 2
[pid  2603] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2603] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2602] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2605 attached
 <unfinished ...>
[pid  2604] <... openat resumed>)       = 3
[pid  2602] <... futex resumed>)        = 1
[pid  2600] <... futex resumed>)        = 0
[pid  2604] write(3, "1000", 4 <unfinished ...>
[pid  2602] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2604] <... write resumed>)        = 4
[pid  2605] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2603] <... clone3 resumed> => {parent_tid=[2605]}, 88) = 2605
[pid  2600] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2605] <... set_robust_list resumed>) = 0
[pid  2603] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2600] <... futex resumed>)        = 1
[pid  2605] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2603] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2600] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2605] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2603] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2602] <... futex resumed>)        = 0
[pid  2605] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2603] <... futex resumed>)        = 0
[pid  2603] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2605] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2604] close(3 <unfinished ...>
[pid  2602] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2605] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2604] <... close resumed>)        = 0
[pid  2605] <... futex resumed>)        = 1
[pid  2603] <... futex resumed>)        = 0
[pid  2605] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2604] write(1, "executing program\n", 18 <unfinished ...>
[pid  2603] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2602] <... openat resumed>)       = 4
[pid  2605] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2604] <... write resumed>)        = 18
[pid  2603] <... futex resumed>)        = 0
[pid  2602] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2604] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  2605] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2603] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2604] <... futex resumed>)        = 0
[pid  2602] <... futex resumed>)        = 1
[pid  2600] <... futex resumed>)        = 0
[pid  2605] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2604] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2602] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2600] exit_group(0 <unfinished ...>
[pid  2605] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2604] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2600] <... exit_group resumed>)   = ?
[pid  2605] <... futex resumed>)        = 1
[pid  2604] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2603] <... futex resumed>)        = 0
[pid  2602] <... futex resumed>)        = ?
[pid  2605] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2603] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2605] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2603] <... futex resumed>)        = 0
[pid  2605] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2603] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2605] <... openat resumed>)       = 3
[pid  2605] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2603] <... futex resumed>)        = 0
[pid  2605] <... futex resumed>)        = 1
[pid  2603] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2605] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2603] <... futex resumed>)        = 0
[pid  2605] <... write resumed>)        = 2
[pid  2603] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2605] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2603] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2604] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2602] +++ exited with 0 +++
[pid  2600] +++ exited with 0 +++
[pid  2604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2605] <... futex resumed>)        = 0
[pid  2603] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2605] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2604] <... mmap resumed>)         = 0x7fb4de009000
[pid  2603] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2600, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2605] <... openat resumed>)       = 4
[pid  2603] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2605] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2605] <... futex resumed>)        = 1
[pid  2603] <... futex resumed>)        = 0
[pid  2605] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2603] exit_group(0 <unfinished ...>
[pid  2604] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2605] <... futex resumed>)        = ?
[pid  2603] <... exit_group resumed>)   = ?
[pid  2605] +++ exited with 0 +++
[pid  2604] <... mprotect resumed>)     = 0
[pid  2603] +++ exited with 0 +++
[pid  2604] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2603, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2604] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2604] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2606 attached
 <unfinished ...>
[pid  2606] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2604] <... clone3 resumed> => {parent_tid=[2606]}, 88) = 2606
[pid  2606] <... set_robust_list resumed>) = 0
[pid  2604] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2606] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2604] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2606] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2604] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2606] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  2604] <... futex resumed>)        = 0
[pid  2606] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2604] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2606] <... futex resumed>)        = 0
[pid  2606] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2604] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2604] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2606] <... futex resumed>)        = 0
[pid  2604] <... futex resumed>)        = 1
[pid  2606] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2604] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2606] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2606] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2606] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2604] <... futex resumed>)        = 0
[pid  2604] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2606] <... futex resumed>)        = 0
[pid  2604] <... futex resumed>)        = 1
[pid  2606] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2604] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2606] <... openat resumed>)       = 3
[pid  2606] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2604] <... futex resumed>)        = 0
[pid  2606] <... futex resumed>)        = 1
[pid  2606] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2604] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2606] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2604] <... futex resumed>)        = 0
[pid  2606] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2604] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2606] <... write resumed>)        = 2
[pid  2606] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2604] <... futex resumed>)        = 0
[pid  2606] <... futex resumed>)        = 1
[pid  2604] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2606] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2604] <... futex resumed>)        = 0
[pid  2606] <... openat resumed>)       = 4
[pid  2604] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  2606] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2604] <... futex resumed>)        = 0
[pid  2606] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2604] exit_group(0 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2606] <... futex resumed>)        = ?
[pid  2604] <... exit_group resumed>)   = ?
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2606] +++ exited with 0 +++
[pid  2604] +++ exited with 0 +++
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2604, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 2608 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2607 attached
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2607] set_robust_list(0x55557716c6a0, 24) = 0
[pid  2608] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2607] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2607
[pid  2608] <... set_robust_list resumed>) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2608
[pid  2608] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2607] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2608] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2607] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2608] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2607] <... prctl resumed>)        = 0
[pid  2607] setpgid(0, 0)               = 0
[pid  2607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  2608] <... prctl resumed>)        = 0
[pid  2608] setpgid(0, 0 <unfinished ...>
[pid  2607] <... openat resumed>)       = 3
[pid  2608] <... setpgid resumed>)      = 0
[pid  2607] write(3, "1000", 4)         = 4
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2607] close(3 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2608] <... openat resumed>)       = 3
[pid  2607] <... close resumed>)        = 0
[pid  2607] write(1, "executing program\n", 18) = 18
[pid  2607] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2607] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2607] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 2609 attached
executing program
 <unfinished ...>
[pid  2608] write(3, "1000", 4 <unfinished ...>
[pid  2609] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2607] <... mmap resumed>)         = 0x7fb4de009000
[pid  2609] <... set_robust_list resumed>) = 0
[pid  2607] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2609] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2607] <... mprotect resumed>)     = 0
[pid  2609] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2607] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2609] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2608] <... write resumed>)        = 4
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2609
[pid  2608] close(3 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2608] <... close resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2608] write(1, "executing program\n", 18) = 18
[pid  2609] <... prctl resumed>)        = 0
executing program
[pid  2608] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2607] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2609] setpgid(0, 0 <unfinished ...>
[pid  2608] <... futex resumed>)        = 0
[pid  2607] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2609] <... setpgid resumed>)      = 0
[pid  2608] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2608] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2607] <... clone3 resumed> => {parent_tid=[2610]}, 88) = 2610
ci2-android-6-12-rust/strace-static-x86_64: Process 2610 attached
[pid  2609] <... openat resumed>)       = 3
[pid  2608] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2607] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2610] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2609] write(3, "1000", 4 <unfinished ...>
[pid  2608] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2607] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2610] <... set_robust_list resumed>) = 0
[pid  2609] <... write resumed>)        = 4
[pid  2607] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2610] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2609] close(3 <unfinished ...>
[pid  2608] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2607] <... futex resumed>)        = 0
[pid  2610] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2609] <... close resumed>)        = 0
[pid  2608] <... mmap resumed>)         = 0x7fb4de009000
[pid  2607] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2609] write(1, "executing program\n", 18 <unfinished ...>
[pid  2610] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2609] <... write resumed>)        = 18
[pid  2608] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2610] <... mkdirat resumed>)      = -1 EEXIST (File exists)
executing program
[pid  2610] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2609] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2608] <... mprotect resumed>)     = 0
[pid  2610] <... futex resumed>)        = 1
[pid  2609] <... futex resumed>)        = 0
[pid  2607] <... futex resumed>)        = 0
[pid  2609] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2607] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2609] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2607] <... futex resumed>)        = 0
[pid  2610] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2609] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2608] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2607] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2609] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2608] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2610] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2608] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2609] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2609] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2609] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2609] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2611 attached
 <unfinished ...>
[pid  2611] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2609] <... clone3 resumed> => {parent_tid=[2611]}, 88) = 2611
[pid  2611] <... set_robust_list resumed>) = 0
[pid  2609] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2611] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2609] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2611] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2609] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2611] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2609] <... futex resumed>)        = 0
[pid  2609] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2611] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2611] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2609] <... futex resumed>)        = 0
[pid  2611] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2609] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2611] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2610] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2611] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2609] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2612 attached
[pid  2611] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2610] <... futex resumed>)        = 1
[pid  2609] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2607] <... futex resumed>)        = 0
[pid  2612] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2611] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2610] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2608] <... clone3 resumed> => {parent_tid=[2612]}, 88) = 2612
[pid  2607] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2612] <... set_robust_list resumed>) = 0
[pid  2611] <... futex resumed>)        = 1
[pid  2610] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2609] <... futex resumed>)        = 0
[pid  2608] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2607] <... futex resumed>)        = 0
[pid  2612] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2611] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2610] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2609] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2608] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2607] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2612] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2611] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2610] <... openat resumed>)       = 3
[pid  2609] <... futex resumed>)        = 0
[pid  2608] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2611] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2609] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2611] <... openat resumed>)       = 3
[pid  2610] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2608] <... futex resumed>)        = 0
[pid  2611] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2610] <... futex resumed>)        = 1
[pid  2608] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2607] <... futex resumed>)        = 0
[pid  2612] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2611] <... futex resumed>)        = 1
[pid  2609] <... futex resumed>)        = 0
[pid  2607] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2612] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2611] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2610] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2609] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2607] <... futex resumed>)        = 0
[pid  2612] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2611] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2610] <... write resumed>)        = 2
[pid  2609] <... futex resumed>)        = 0
[pid  2607] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2612] <... futex resumed>)        = 1
[pid  2610] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2608] <... futex resumed>)        = 0
[pid  2612] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2610] <... futex resumed>)        = 0
[pid  2611] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2609] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2607] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2612] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2611] <... write resumed>)        = 2
[pid  2610] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2608] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2607] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2612] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2611] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2610] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2608] <... futex resumed>)        = 0
[pid  2607] <... futex resumed>)        = 0
[pid  2611] <... futex resumed>)        = 1
[pid  2609] <... futex resumed>)        = 0
[pid  2607] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2612] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2611] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2610] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2609] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2608] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2611] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2609] <... futex resumed>)        = 0
[pid  2612] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2611] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2610] <... openat resumed>)       = 4
[pid  2609] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2612] <... futex resumed>)        = 1
[pid  2611] <... openat resumed>)       = 4
[pid  2608] <... futex resumed>)        = 0
[pid  2611] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2609] <... futex resumed>)        = 0
[pid  2612] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2610] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2609] exit_group(0 <unfinished ...>
[pid  2608] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2612] <... openat resumed>)       = 3
[pid  2611] <... futex resumed>)        = ?
[pid  2610] <... futex resumed>)        = 1
[pid  2609] <... exit_group resumed>)   = ?
[pid  2608] <... futex resumed>)        = 0
[pid  2607] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2612] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2611] +++ exited with 0 +++
[pid  2610] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2609] +++ exited with 0 +++
[pid  2608] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2607] exit_group(0 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2612] <... futex resumed>)        = 0
[pid  2610] <... futex resumed>)        = ?
[pid  2608] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2609, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2610] +++ exited with 0 +++
[pid  2607] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 2613 attached
[pid  2612] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2608] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2612] <... write resumed>)        = 2
[pid  2608] <... futex resumed>)        = 0
[pid  2612] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2608] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2613
[pid  2608] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2613] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2612] <... futex resumed>)        = 0
[pid  2608] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2607] +++ exited with 0 +++
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2613] <... set_robust_list resumed>) = 0
[pid  2608] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2612] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2613] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2608] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2613] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2613] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2612] <... openat resumed>)       = 4
[pid   314] <... restart_syscall resumed>) = 0
[pid  2613] <... prctl resumed>)        = 0
[pid  2612] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2607, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2613] setpgid(0, 0 <unfinished ...>
[pid  2608] <... futex resumed>)        = 0
[pid  2613] <... setpgid resumed>)      = 0
[pid  2613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2608] exit_group(0 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2612] <... futex resumed>)        = 1
[pid  2613] <... openat resumed>)       = 3
[pid  2608] <... exit_group resumed>)   = ?
[pid   315] <... restart_syscall resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2612] +++ exited with 0 +++
[pid  2613] write(3, "1000", 4 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2613] <... write resumed>)        = 4
[pid  2613] close(3)                    = 0
executing program
[pid  2613] write(1, "executing program\n", 18) = 18
[pid  2613] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2613] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2613] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2613] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2613] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2613] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2614 attached
 <unfinished ...>
[pid  2614] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2613] <... clone3 resumed> => {parent_tid=[2614]}, 88) = 2614
[pid  2614] <... set_robust_list resumed>) = 0
[pid  2613] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2614] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2613] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2608] +++ exited with 0 +++
[pid  2614] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2613] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2614] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2613] <... futex resumed>)        = 0
[pid  2614] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2613] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2614] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2613] <... futex resumed>)        = 0
[pid  2614] <... futex resumed>)        = 1
[pid  2613] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2615 attached
 <unfinished ...>
[pid  2614] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2613] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2608, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2614] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2613] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2615
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2615] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2614] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2613] <... futex resumed>)        = 0
[pid  2614] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2613] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2614] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2613] <... futex resumed>)        = 0
[pid  2614] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2613] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2614] <... openat resumed>)       = 3
[pid  2614] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2616 attached
 <unfinished ...>
[pid  2615] <... set_robust_list resumed>) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2615] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2614] <... futex resumed>)        = 1
[pid  2613] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2616
[pid  2616] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2615] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2614] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2613] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2616] <... set_robust_list resumed>) = 0
[pid  2614] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2613] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2616] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2614] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2613] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2616] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2615] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2614] <... write resumed>)        = 2
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2614] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2616] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2615] <... prctl resumed>)        = 0
[pid  2614] <... futex resumed>)        = 1
[pid  2613] <... futex resumed>)        = 0
[pid  2616] <... prctl resumed>)        = 0
[pid  2615] setpgid(0, 0 <unfinished ...>
[pid  2614] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2613] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2616] setpgid(0, 0 <unfinished ...>
[pid  2615] <... setpgid resumed>)      = 0
[pid  2614] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2613] <... futex resumed>)        = 0
[pid  2616] <... setpgid resumed>)      = 0
[pid  2614] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2613] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2614] <... openat resumed>)       = 4
[pid  2614] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2615] <... openat resumed>)       = 3
[pid  2614] <... futex resumed>)        = 1
[pid  2613] <... futex resumed>)        = 0
[pid  2614] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2613] exit_group(0 <unfinished ...>
[pid  2614] <... futex resumed>)        = ?
[pid  2613] <... exit_group resumed>)   = ?
[pid  2616] <... openat resumed>)       = 3
[pid  2615] write(3, "1000", 4 <unfinished ...>
[pid  2614] +++ exited with 0 +++
[pid  2613] +++ exited with 0 +++
[pid  2615] <... write resumed>)        = 4
[pid  2616] write(3, "1000", 4 <unfinished ...>
[pid  2615] close(3 <unfinished ...>
[pid  2616] <... write resumed>)        = 4
[pid  2615] <... close resumed>)        = 0
[pid  2616] close(3 <unfinished ...>
[pid  2615] write(1, "executing program\n", 18 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2613, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2615] <... write resumed>)        = 18
[pid  2616] <... close resumed>)        = 0
[pid  2616] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  2615] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2616] <... write resumed>)        = 18
executing program
[pid  2616] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2615] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2616] <... futex resumed>)        = 0
[pid  2615] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2616] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2615] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2616] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2615] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2616] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2616] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2616] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2615] <... mmap resumed>)         = 0x7fb4de009000
[pid  2616] <... mmap resumed>)         = 0x7fb4de009000
[pid  2616] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2616] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2615] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2616] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2615] <... mprotect resumed>)     = 0
[pid  2616] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2615] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2617 attached
, [], 8) = 0
[pid  2617] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2616] <... clone3 resumed> => {parent_tid=[2617]}, 88) = 2617
[pid  2615] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2617] <... set_robust_list resumed>) = 0
[pid  2617] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2616] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2618 attached
 <unfinished ...>
[pid  2617] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2616] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2617] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2616] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2617] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2616] <... futex resumed>)        = 0
[pid  2617] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2616] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2618] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2617] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2618] <... set_robust_list resumed>) = 0
[pid  2615] <... clone3 resumed> => {parent_tid=[2618]}, 88) = 2618
[pid  2618] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2615] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2617] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2618] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2617] <... futex resumed>)        = 1
[pid  2616] <... futex resumed>)        = 0
[pid  2615] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2618] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2617] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2616] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2618] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2617] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2616] <... futex resumed>)        = 0
[pid  2615] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2617] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2616] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2618] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2617] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2615] <... futex resumed>)        = 0
[pid  2618] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2617] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2616] <... futex resumed>)        = 0
[pid  2618] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2615] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2618] <... futex resumed>)        = 0
[pid  2615] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2618] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2615] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2618] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2615] <... futex resumed>)        = 0
[pid  2618] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2615] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2617] <... futex resumed>)        = 1
[pid  2616] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2617] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2616] <... futex resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  2618] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2617] <... openat resumed>)       = 3
[pid  2616] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2618] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2617] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2616] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2618] <... futex resumed>)        = 1
[pid  2617] <... futex resumed>)        = 0
[pid  2616] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2615] <... futex resumed>)        = 0
[pid  2618] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2617] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2616] <... futex resumed>)        = 0
[pid  2615] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2618] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2617] <... write resumed>)        = 2
[pid  2616] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2615] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2618] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2617] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2616] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2615] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2618] <... openat resumed>)       = 3
[pid  2617] <... futex resumed>)        = 0
[pid  2616] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2619 attached
[pid  2618] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2617] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2616] <... futex resumed>)        = 0
[pid  2619] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2616] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2619] <... set_robust_list resumed>) = 0
[pid  2618] <... futex resumed>)        = 1
[pid  2615] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2615] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2619] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2615] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2619] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2618] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2615] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2617] <... openat resumed>)       = 4
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2619
[pid  2617] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2617] <... futex resumed>)        = 1
[pid  2616] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2620 attached
[pid  2618] <... write resumed>)        = 2
[pid  2617] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2616] exit_group(0 <unfinished ...>
[pid  2620] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2619] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2618] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2617] <... futex resumed>)        = ?
[pid  2616] <... exit_group resumed>)   = ?
[pid  2620] <... set_robust_list resumed>) = 0
[pid  2619] <... prctl resumed>)        = 0
[pid  2618] <... futex resumed>)        = 1
[pid  2617] +++ exited with 0 +++
[pid  2616] +++ exited with 0 +++
[pid  2615] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2620
[pid  2619] setpgid(0, 0 <unfinished ...>
[pid  2615] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2619] <... setpgid resumed>)      = 0
[pid  2618] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2615] <... futex resumed>)        = 0
[pid  2620] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2615] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2620] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2618] <... openat resumed>)       = 4
[pid  2620] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2620] <... prctl resumed>)        = 0
[pid  2620] setpgid(0, 0)               = 0
[pid  2620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2618] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2616, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2620] <... openat resumed>)       = 3
[pid  2619] <... openat resumed>)       = 3
[pid  2618] <... futex resumed>)        = 1
[pid  2615] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2620] write(3, "1000", 4 <unfinished ...>
[pid  2618] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2620] <... write resumed>)        = 4
[pid  2615] exit_group(0 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2620] close(3)                    = 0
[pid  2620] write(1, "executing program\n", 18) = 18
executing program
[pid  2620] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2619] write(3, "1000", 4)         = 4
[pid  2618] <... futex resumed>)        = ?
[pid  2615] <... exit_group resumed>)   = ?
[pid  2620] <... futex resumed>)        = 0
[pid  2620] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2620] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2620] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2620] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2620] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2621 attached
 <unfinished ...>
[pid  2621] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2620] <... clone3 resumed> => {parent_tid=[2621]}, 88) = 2621
[pid  2619] close(3 <unfinished ...>
[pid  2618] +++ exited with 0 +++
[pid  2615] +++ exited with 0 +++
[pid  2619] <... close resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2615, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2621] <... set_robust_list resumed>) = 0
[pid  2620] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2621] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2620] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2621] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2620] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2619] write(1, "executing program\n", 18 <unfinished ...>
[pid  2621] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2620] <... futex resumed>)        = 0
executing program
[pid  2621] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2620] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2619] <... write resumed>)        = 18
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2621] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2620] <... futex resumed>)        = 0
[pid  2619] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2621] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2620] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2619] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2621] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2620] <... futex resumed>)        = 0
[pid  2619] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2621] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2620] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2621] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2621] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2620] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2622 attached
[pid  2620] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2621] <... futex resumed>)        = 1
[pid  2620] <... futex resumed>)        = 0
[pid  2621] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  2620] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2621] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2620] <... futex resumed>)        = 0
[pid  2621] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2620] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2619] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2622] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2619] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2622
[pid  2622] <... set_robust_list resumed>) = 0
[pid  2621] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2620] <... futex resumed>)        = 0
[pid  2621] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2620] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2622] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2621] <... write resumed>)        = 2
[pid  2619] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2622] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2621] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2621] <... futex resumed>)        = 1
[pid  2620] <... futex resumed>)        = 0
[pid  2621] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2620] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2621] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2620] <... futex resumed>)        = 0
[pid  2619] <... mmap resumed>)         = 0x7fb4de009000
[pid  2622] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2621] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2620] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2619] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2622] <... prctl resumed>)        = 0
[pid  2621] <... openat resumed>)       = 4
[pid  2621] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2620] <... futex resumed>)        = 0
[pid  2619] <... mprotect resumed>)     = 0
[pid  2622] setpgid(0, 0)               = 0
[pid  2620] exit_group(0 <unfinished ...>
[pid  2619] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2621] <... futex resumed>)        = ?
[pid  2620] <... exit_group resumed>)   = ?
[pid  2619] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2622] <... openat resumed>)       = 3
[pid  2621] +++ exited with 0 +++
[pid  2620] +++ exited with 0 +++
[pid  2619] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2622] write(3, "1000", 4ci2-android-6-12-rust/strace-static-x86_64: Process 2623 attached
)         = 4
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2620, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2622] close(3 <unfinished ...>
[pid  2623] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2619] <... clone3 resumed> => {parent_tid=[2623]}, 88) = 2623
[pid  2623] <... set_robust_list resumed>) = 0
[pid  2622] <... close resumed>)        = 0
[pid  2623] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2619] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2623] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2622] write(1, "executing program\n", 18 <unfinished ...>
[pid  2619] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2623] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2622] <... write resumed>)        = 18
[pid  2619] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2623] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2622] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2619] <... futex resumed>)        = 0
executing program
[pid  2623] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2622] <... futex resumed>)        = 0
[pid  2619] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2623] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2622] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2623] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2622] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2623] <... futex resumed>)        = 1
[pid  2623] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2622] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2619] <... futex resumed>)        = 0
[pid  2622] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2619] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2623] <... futex resumed>)        = 0
[pid  2622] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2619] <... futex resumed>)        = 1
[pid  2623] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2622] <... mmap resumed>)         = 0x7fb4de009000
[pid  2619] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2623] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2622] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2623] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2622] <... mprotect resumed>)     = 0
[pid  2623] <... futex resumed>)        = 1
[pid  2622] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2619] <... futex resumed>)        = 0
[pid  2623] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2622] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2619] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2623] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2622] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2619] <... futex resumed>)        = 0
[pid  2623] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 2624 attached
[pid  2623] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2619] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2624] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2623] <... futex resumed>)        = 0
[pid  2622] <... clone3 resumed> => {parent_tid=[2624]}, 88) = 2624
[pid  2619] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2624] <... set_robust_list resumed>) = 0
[pid  2623] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  2622] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2619] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2624] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2619] <... futex resumed>)        = 0
[pid  2624] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2624] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2619] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2622] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2622] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2624] <... futex resumed>)        = 0
[pid  2622] <... futex resumed>)        = 1
[pid  2623] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2623] write(3, "\x38\x00", 2)     = 2
[pid  2623] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 2625 attached
[pid  2624] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2623] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2622] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2619] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2625] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2624] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2619] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2625
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2625] <... set_robust_list resumed>) = 0
[pid  2624] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2623] <... futex resumed>)        = 0
[pid  2619] <... futex resumed>)        = 1
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2623] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLYci2-android-6-12-rust/strace-static-x86_64: Process 2626 attached
 <unfinished ...>
[pid  2625] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2624] <... futex resumed>)        = 1
[pid  2623] <... openat resumed>)       = 4
[pid  2622] <... futex resumed>)        = 0
[pid  2619] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2626] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2625] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2624] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2623] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2622] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2619] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2626
[pid  2626] <... set_robust_list resumed>) = 0
[pid  2625] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2624] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2623] <... futex resumed>)        = 0
[pid  2622] <... futex resumed>)        = 0
[pid  2626] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2625] <... prctl resumed>)        = 0
[pid  2624] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2623] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2619] exit_group(0 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2626] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2625] setpgid(0, 0 <unfinished ...>
[pid  2624] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2623] <... futex resumed>)        = ?
[pid  2622] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2619] <... exit_group resumed>)   = ?
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2626] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2625] <... setpgid resumed>)      = 0
[pid  2624] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2623] +++ exited with 0 +++
[pid  2622] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2626] <... prctl resumed>)        = 0
[pid  2625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2624] <... futex resumed>)        = 0
[pid  2622] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2626] setpgid(0, 0 <unfinished ...>
[pid  2624] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2622] <... futex resumed>)        = 0
[pid  2626] <... setpgid resumed>)      = 0
[pid  2625] <... openat resumed>)       = 3
[pid  2624] <... openat resumed>)       = 3
[pid  2622] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2624] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2619] +++ exited with 0 +++
[pid  2626] <... openat resumed>)       = 3
[pid  2625] write(3, "1000", 4 <unfinished ...>
[pid  2624] <... futex resumed>)        = 1
[pid  2622] <... futex resumed>)        = 0
[pid  2626] write(3, "1000", 4 <unfinished ...>
[pid  2625] <... write resumed>)        = 4
[pid  2624] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2622] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2619, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2626] <... write resumed>)        = 4
[pid  2625] close(3 <unfinished ...>
[pid  2624] <... write resumed>)        = 2
[pid  2622] <... futex resumed>)        = 0
[pid  2626] close(3 <unfinished ...>
[pid  2625] <... close resumed>)        = 0
[pid  2624] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2622] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2626] <... close resumed>)        = 0
[pid  2625] write(1, "executing program\n", 18 <unfinished ...>
[pid  2624] <... futex resumed>)        = 0
[pid  2622] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
executing program
executing program
[pid  2626] write(1, "executing program\n", 18 <unfinished ...>
[pid  2625] <... write resumed>)        = 18
[pid  2624] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2622] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2626] <... write resumed>)        = 18
[pid  2626] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2625] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2624] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2622] <... futex resumed>)        = 0
[pid  2626] <... futex resumed>)        = 0
[pid  2625] <... futex resumed>)        = 0
[pid  2624] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2622] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2625] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2626] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2625] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2624] <... openat resumed>)       = 4
[pid  2626] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2626] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2625] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2624] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2626] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2625] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2624] <... futex resumed>)        = 1
[pid  2622] <... futex resumed>)        = 0
[pid  2626] <... mmap resumed>)         = 0x7fb4de009000
[pid  2625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2626] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2624] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2622] exit_group(0 <unfinished ...>
[pid  2626] <... mprotect resumed>)     = 0
[pid  2625] <... mmap resumed>)         = 0x7fb4de009000
[pid  2626] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2624] <... futex resumed>)        = ?
[pid  2622] <... exit_group resumed>)   = ?
[pid   312] <... restart_syscall resumed>) = 0
[pid  2625] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2624] +++ exited with 0 +++
[pid  2626] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2626] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2627 attached
 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2627] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2626] <... clone3 resumed> => {parent_tid=[2627]}, 88) = 2627
[pid  2625] <... mprotect resumed>)     = 0
[pid  2622] +++ exited with 0 +++
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2627] <... set_robust_list resumed>) = 0
[pid  2626] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2625] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2628 attached
 <unfinished ...>
[pid  2627] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2626] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2625] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2622, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2628] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2627] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2625] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2628] <... set_robust_list resumed>) = 0
[pid  2627] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 2629 attached
 <unfinished ...>
[pid  2628] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2626] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2625] <... clone3 resumed> => {parent_tid=[2629]}, 88) = 2629
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2628
[pid  2629] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2628] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2627] <... futex resumed>)        = 0
[pid  2626] <... futex resumed>)        = 1
[pid  2625] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2629] <... set_robust_list resumed>) = 0
[pid  2628] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2627] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2626] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2625] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2629] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2628] <... prctl resumed>)        = 0
[pid  2627] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2625] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2629] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2628] setpgid(0, 0 <unfinished ...>
[pid  2627] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2625] <... futex resumed>)        = 0
[pid  2629] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2628] <... setpgid resumed>)      = 0
[pid  2625] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2629] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2629] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2627] <... futex resumed>)        = 1
[pid  2626] <... futex resumed>)        = 0
[pid  2629] <... futex resumed>)        = 1
[pid  2627] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2626] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2625] <... futex resumed>)        = 0
[pid  2629] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2628] <... openat resumed>)       = 3
[pid  2627] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2626] <... futex resumed>)        = 0
[pid  2629] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2628] write(3, "1000", 4 <unfinished ...>
[pid  2627] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2626] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2625] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2629] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2628] <... write resumed>)        = 4
[pid  2627] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2625] <... futex resumed>)        = 0
[pid  2629] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2628] close(3 <unfinished ...>
[pid  2627] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2625] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2629] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2628] <... close resumed>)        = 0
[pid  2627] <... futex resumed>)        = 1
[pid  2626] <... futex resumed>)        = 0
[pid  2629] <... futex resumed>)        = 0
[pid  2628] write(1, "executing program\n", 18 <unfinished ...>
[pid  2627] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2626] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2625] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2629] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2628] <... write resumed>)        = 18
[pid  2627] <... openat resumed>)       = 3
[pid  2626] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  2629] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2628] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2627] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2626] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2625] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2629] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2628] <... futex resumed>)        = 0
[pid  2627] <... futex resumed>)        = 0
[pid  2626] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
executing program
[pid  2629] <... openat resumed>)       = 3
[pid  2628] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2627] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2626] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2625] <... futex resumed>)        = 0
[pid  2629] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2628] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2627] <... write resumed>)        = 2
[pid  2626] <... futex resumed>)        = 0
[pid  2629] <... futex resumed>)        = 0
[pid  2628] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2627] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2626] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2625] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2629] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2628] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2627] <... futex resumed>)        = 0
[pid  2626] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2625] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2628] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2627] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2626] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2628] <... mmap resumed>)         = 0x7fb4de009000
[pid  2627] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2626] <... futex resumed>)        = 0
[pid  2625] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2629] <... futex resumed>)        = 0
[pid  2628] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2627] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2626] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2625] <... futex resumed>)        = 1
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2629] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2628] <... mprotect resumed>)     = 0
[pid  2625] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2627] <... openat resumed>)       = 4
[pid  2627] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2626] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2630 attached
[pid  2629] <... write resumed>)        = 2
[pid  2628] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2627] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2626] exit_group(0 <unfinished ...>
[pid  2630] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2629] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2628] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2627] <... futex resumed>)        = ?
[pid  2626] <... exit_group resumed>)   = ?
[pid  2630] <... set_robust_list resumed>) = 0
[pid  2629] <... futex resumed>)        = 1
[pid  2628] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2627] +++ exited with 0 +++
[pid  2626] +++ exited with 0 +++
[pid  2625] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2630
[pid  2629] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2625] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2626, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 2631 attached
[pid  2630] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2625] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2629] <... openat resumed>)       = 4
[pid  2625] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2630] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2631] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2629] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2625] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2631] <... set_robust_list resumed>) = 0
[pid  2629] <... futex resumed>)        = 0
[pid  2628] <... clone3 resumed> => {parent_tid=[2631]}, 88) = 2631
[pid  2631] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2630] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2629] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2628] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2625] exit_group(0 <unfinished ...>
[pid  2631] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2630] <... prctl resumed>)        = 0
[pid  2628] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2631] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2630] setpgid(0, 0 <unfinished ...>
[pid  2629] <... futex resumed>)        = ?
[pid  2625] <... exit_group resumed>)   = ?
[pid  2631] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2630] <... setpgid resumed>)      = 0
[pid  2628] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2629] +++ exited with 0 +++
[pid  2631] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  2631] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2631] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2628] <... futex resumed>)        = 0
[pid  2625] +++ exited with 0 +++
[pid  2630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2628] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2630] <... openat resumed>)       = 3
[pid  2628] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2625, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2630] write(3, "1000", 4 <unfinished ...>
[pid  2628] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2630] <... write resumed>)        = 4
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2630] close(3 <unfinished ...>
[pid  2628] <... futex resumed>)        = 1
[pid  2631] <... futex resumed>)        = 0
[pid  2630] <... close resumed>)        = 0
[pid  2628] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2631] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2630] write(1, "executing program\n", 18 <unfinished ...>
[pid  2631] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2630] <... write resumed>)        = 18
[pid  2631] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2630] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2631] <... futex resumed>)        = 1
executing program
[pid  2630] <... futex resumed>)        = 0
[pid  2628] <... futex resumed>)        = 0
[pid  2631] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  2630] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2628] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2630] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2628] <... futex resumed>)        = 0
[pid  2631] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2630] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2628] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2631] <... openat resumed>)       = 3
[pid  2630] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2631] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2628] <... futex resumed>)        = 0
[pid  2631] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2630] <... mmap resumed>)         = 0x7fb4de009000
[pid  2628] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2628] <... futex resumed>)        = 1
[pid  2630] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2628] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2630] <... mprotect resumed>)     = 0
[pid  2631] <... futex resumed>)        = 0
[pid  2630] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2631] write(3, "\x38\x00", 2)     = 2
[pid  2630] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2631] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2632 attached
[pid  2631] <... futex resumed>)        = 1
[pid  2628] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2632] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2631] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2630] <... clone3 resumed> => {parent_tid=[2632]}, 88) = 2632
[pid  2628] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2631] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 2633 attached
[pid  2632] <... set_robust_list resumed>) = 0
[pid  2631] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2630] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2628] <... futex resumed>)        = 0
[pid  2633] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2632] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2631] <... openat resumed>)       = 4
[pid  2630] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2628] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2633
[pid  2633] <... set_robust_list resumed>) = 0
[pid  2632] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2630] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2633] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2632] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2633] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2630] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2632] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2630] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2632] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2633] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2632] <... futex resumed>)        = 0
[pid  2630] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2633] <... prctl resumed>)        = 0
[pid  2632] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2630] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2633] setpgid(0, 0 <unfinished ...>
[pid  2632] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2630] <... futex resumed>)        = 0
[pid  2633] <... setpgid resumed>)      = 0
[pid  2632] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2630] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2632] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2631] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2633] <... openat resumed>)       = 3
[pid  2632] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2631] <... futex resumed>)        = 1
[pid  2628] <... futex resumed>)        = 0
[pid  2633] write(3, "1000", 4 <unfinished ...>
[pid  2632] <... futex resumed>)        = 1
[pid  2631] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2630] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2633] <... write resumed>)        = 4
[pid  2632] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2630] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2628] exit_group(0 <unfinished ...>
[pid  2633] close(3 <unfinished ...>
[pid  2632] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2631] <... futex resumed>)        = ?
[pid  2630] <... futex resumed>)        = 0
[pid  2628] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 2634 attached
[pid  2633] <... close resumed>)        = 0
[pid  2632] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2631] +++ exited with 0 +++
[pid  2630] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2634
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2634] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2628] +++ exited with 0 +++
[pid  2633] write(1, "executing program\n", 18 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2628, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2634] <... set_robust_list resumed>) = 0
[pid  2633] <... write resumed>)        = 18
[pid  2632] <... openat resumed>)       = 3
executing program
[pid  2634] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2633] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2632] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2634] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2633] <... futex resumed>)        = 0
[pid  2632] <... futex resumed>)        = 1
[pid  2630] <... futex resumed>)        = 0
[pid  2633] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2632] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2630] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2633] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2632] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2630] <... futex resumed>)        = 0
[pid  2633] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2632] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2630] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2634] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2633] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2632] <... write resumed>)        = 2
[pid  2634] <... prctl resumed>)        = 0
[pid  2633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2634] setpgid(0, 0 <unfinished ...>
[pid  2632] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2633] <... mmap resumed>)         = 0x7fb4de009000
[pid  2634] <... setpgid resumed>)      = 0
[pid  2632] <... futex resumed>)        = 1
[pid  2633] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2630] <... futex resumed>)        = 0
[pid  2634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2633] <... mprotect resumed>)     = 0
[pid  2632] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2630] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2634] <... openat resumed>)       = 3
[pid  2633] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2632] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2630] <... futex resumed>)        = 0
[pid  2634] write(3, "1000", 4 <unfinished ...>
[pid  2633] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2632] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2630] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2634] <... write resumed>)        = 4
[pid  2633] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2632] <... openat resumed>)       = 4
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2635 attached
 <unfinished ...>
[pid  2634] close(3 <unfinished ...>
[pid  2632] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2635] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2634] <... close resumed>)        = 0
[pid  2633] <... clone3 resumed> => {parent_tid=[2635]}, 88) = 2635
[pid  2632] <... futex resumed>)        = 1
[pid  2630] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2636 attached
 <unfinished ...>
[pid  2635] <... set_robust_list resumed>) = 0
[pid  2634] write(1, "executing program\n", 18 <unfinished ...>
[pid  2633] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2632] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2630] exit_group(0 <unfinished ...>
[pid  2636] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2635] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2634] <... write resumed>)        = 18
[pid  2633] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2636] <... set_robust_list resumed>) = 0
[pid  2635] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2633] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2632] <... futex resumed>)        = ?
[pid  2630] <... exit_group resumed>)   = ?
[pid  2634] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2632] +++ exited with 0 +++
executing program
[pid  2635] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2636
[pid   312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2630] +++ exited with 0 +++
[pid  2636] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2635] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2634] <... futex resumed>)        = 0
[pid  2633] <... futex resumed>)        = 0
[pid  2636] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2635] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2634] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2630, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2633] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2635] <... futex resumed>)        = 0
[pid  2634] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2636] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2635] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2634] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2633] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2636] <... prctl resumed>)        = 0
[pid  2634] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2633] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2636] setpgid(0, 0 <unfinished ...>
[pid  2634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2636] <... setpgid resumed>)      = 0
[pid  2635] <... futex resumed>)        = 0
[pid  2633] <... futex resumed>)        = 1
[pid  2634] <... mmap resumed>)         = 0x7fb4de009000
[pid  2636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2635] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2634] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2633] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2636] <... openat resumed>)       = 3
[pid  2635] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2634] <... mprotect resumed>)     = 0
[pid  2636] write(3, "1000", 4 <unfinished ...>
[pid  2635] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2634] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2636] <... write resumed>)        = 4
[pid  2635] <... futex resumed>)        = 1
[pid  2633] <... futex resumed>)        = 0
[pid  2636] close(3 <unfinished ...>
[pid  2635] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2634] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2633] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2635] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2636] <... close resumed>)        = 0
[pid  2635] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2634] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2633] <... futex resumed>)        = 0
[pid  2636] write(1, "executing program\n", 18 <unfinished ...>
[pid  2635] <... openat resumed>)       = 3
[pid  2633] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2637 attached
 <unfinished ...>
[pid  2636] <... write resumed>)        = 18
[pid  2635] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2633] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2637] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2635] <... futex resumed>)        = 0
[pid  2637] <... set_robust_list resumed>) = 0
[pid  2636] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2635] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2634] <... clone3 resumed> => {parent_tid=[2637]}, 88) = 2637
[pid  2633] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2637] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2636] <... futex resumed>)        = 0
[pid  2635] <... write resumed>)        = 2
[pid  2634] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2637] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2636] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2635] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2634] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2633] <... futex resumed>)        = 0
[pid  2637] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2636] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2635] <... futex resumed>)        = 0
[pid  2634] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2633] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2637] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2636] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2635] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2634] <... futex resumed>)        = 0
[pid  2633] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2637] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2636] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2634] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2633] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2637] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2637] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2635] <... futex resumed>)        = 0
[pid  2633] <... futex resumed>)        = 1
[pid  2637] <... futex resumed>)        = 1
[pid  2636] <... mmap resumed>)         = 0x7fb4de009000
[pid  2635] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2634] <... futex resumed>)        = 0
[pid  2633] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2637] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2636] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2635] <... openat resumed>)       = 4
[pid  2637] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
executing program
[pid  2634] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2637] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2636] <... mprotect resumed>)     = 0
[pid  2635] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2634] <... futex resumed>)        = 0
[pid  2637] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2636] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2635] <... futex resumed>)        = 1
[pid  2633] <... futex resumed>)        = 0
[pid  2637] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2636] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2635] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2634] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2637] <... futex resumed>)        = 0
[pid  2636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2634] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2633] exit_group(0 <unfinished ...>
[pid  2637] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 2638 attached
 <unfinished ...>
[pid  2634] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2633] <... exit_group resumed>)   = ?
[pid  2637] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2637] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2635] <... futex resumed>)        = ?
[pid  2634] <... futex resumed>)        = 0
[pid  2638] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2637] <... openat resumed>)       = 3
[pid  2634] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2639 attached
 <unfinished ...>
[pid  2638] <... set_robust_list resumed>) = 0
[pid  2637] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2636] <... clone3 resumed> => {parent_tid=[2638]}, 88) = 2638
[pid  2635] +++ exited with 0 +++
[pid  2633] +++ exited with 0 +++
[pid  2638] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2637] <... futex resumed>)        = 1
[pid  2636] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2634] <... futex resumed>)        = 0
[pid  2639] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2638] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2637] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2636] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2634] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2639] <... set_robust_list resumed>) = 0
[pid  2638] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2637] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2636] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2634] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2633, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2639] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2638] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2637] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2636] <... futex resumed>)        = 0
[pid  2634] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2639] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2638] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2637] <... write resumed>)        = 2
[pid  2636] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2639] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2638] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2637] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2639
[pid  2639] <... prctl resumed>)        = 0
[pid  2638] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2637] <... futex resumed>)        = 1
[pid  2634] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2639] setpgid(0, 0 <unfinished ...>
[pid  2638] <... futex resumed>)        = 1
[pid  2637] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2636] <... futex resumed>)        = 0
[pid  2634] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2639] <... setpgid resumed>)      = 0
[pid  2638] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2637] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2636] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2634] <... futex resumed>)        = 0
[pid  2639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2638] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2637] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2636] <... futex resumed>)        = 0
[pid  2634] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2638] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2639] <... openat resumed>)       = 3
[pid  2637] <... openat resumed>)       = 4
[pid  2636] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2639] write(3, "1000", 4 <unfinished ...>
[pid  2638] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2639] <... write resumed>)        = 4
[pid  2637] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2638] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2639] close(3 <unfinished ...>
[pid  2634] <... futex resumed>)        = 0
[pid  2639] <... close resumed>)        = 0
[pid  2638] <... futex resumed>)        = 1
[pid  2637] <... futex resumed>)        = 1
[pid  2636] <... futex resumed>)        = 0
[pid  2634] exit_group(0 <unfinished ...>
[pid  2639] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  2638] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2637] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2639] <... write resumed>)        = 18
[pid  2638] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2636] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2634] <... exit_group resumed>)   = ?
[pid   314] <... restart_syscall resumed>) = 0
[pid  2638] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2637] +++ exited with 0 +++
[pid  2636] <... futex resumed>)        = 0
[pid  2639] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2638] <... openat resumed>)       = 3
[pid  2636] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2639] <... futex resumed>)        = 0
[pid  2638] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2639] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2638] <... futex resumed>)        = 1
[pid  2636] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2639] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2638] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2636] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2634] +++ exited with 0 +++
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2639] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2638] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2636] <... futex resumed>)        = 0
[pid  2639] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2638] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2636] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2639] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2638] <... write resumed>)        = 2
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2634, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2639] <... mmap resumed>)         = 0x7fb4de009000
ci2-android-6-12-rust/strace-static-x86_64: Process 2640 attached
[pid  2638] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2639] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2638] <... futex resumed>)        = 1
[pid  2640] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2639] <... mprotect resumed>)     = 0
[pid  2636] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2640
[pid  2638] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2636] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2640] <... set_robust_list resumed>) = 0
[pid  2636] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2636] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2640] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2639] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2638] <... openat resumed>)       = 4
[pid  2640] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2639] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2640] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2639] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2638] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2641 attached
 <unfinished ...>
[pid  2640] <... prctl resumed>)        = 0
[pid  2641] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2640] setpgid(0, 0 <unfinished ...>
[pid  2639] <... clone3 resumed> => {parent_tid=[2641]}, 88) = 2641
[pid  2638] <... futex resumed>)        = 1
[pid  2636] <... futex resumed>)        = 0
[pid  2641] <... set_robust_list resumed>) = 0
[pid  2640] <... setpgid resumed>)      = 0
[pid  2639] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2636] exit_group(0 <unfinished ...>
[pid  2641] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2639] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2641] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2639] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2636] <... exit_group resumed>)   = ?
[pid  2640] <... openat resumed>)       = 3
[pid  2639] <... futex resumed>)        = 0
[pid  2641] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2640] write(3, "1000", 4 <unfinished ...>
[pid  2639] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2638] +++ exited with 0 +++
[pid  2641] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2636] +++ exited with 0 +++
[pid  2640] <... write resumed>)        = 4
[pid  2641] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2640] close(3 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2636, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2641] <... futex resumed>)        = 1
[pid  2639] <... futex resumed>)        = 0
[pid  2640] <... close resumed>)        = 0
[pid  2640] write(1, "executing program\n", 18 <unfinished ...>
[pid  2639] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2640] <... write resumed>)        = 18
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2639] <... futex resumed>)        = 0
[pid  2640] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2641] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2640] <... futex resumed>)        = 0
executing program
[pid  2639] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2641] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2640] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2641] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2640] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2639] <... futex resumed>)        = 0
[pid  2641] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2640] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2639] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2641] <... openat resumed>)       = 3
[pid  2640] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2639] <... futex resumed>)        = 0
[pid  2640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2639] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2641] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2640] <... mmap resumed>)         = 0x7fb4de009000
[pid  2639] <... futex resumed>)        = 0
[pid  2641] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2639] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2641] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2640] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2639] <... futex resumed>)        = 0
[pid  2641] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2639] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2641] <... write resumed>)        = 2
[pid  2640] <... mprotect resumed>)     = 0
[pid  2641] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2640] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2639] <... futex resumed>)        = 0
[pid  2641] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2640] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2639] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2641] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2640] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2639] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2642 attached
[pid  2641] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2639] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2642] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2641] <... openat resumed>)       = 4
[pid  2640] <... clone3 resumed> => {parent_tid=[2642]}, 88) = 2642
[pid  2642] <... set_robust_list resumed>) = 0
[pid  2640] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2642] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2640] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2642] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2640] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2642] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2641] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2640] <... futex resumed>)        = 0
[pid  2641] <... futex resumed>)        = 1
[pid  2639] <... futex resumed>)        = 0
[pid  2642] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2641] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2640] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2639] exit_group(0 <unfinished ...>
[pid  2642] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2640] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2642] <... futex resumed>)        = 0
[pid  2641] <... futex resumed>)        = ?
[pid  2640] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2639] <... exit_group resumed>)   = ?
[pid  2642] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2641] +++ exited with 0 +++
[pid  2640] <... futex resumed>)        = 0
[pid  2639] +++ exited with 0 +++
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  2642] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2640] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2639, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2644 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2643 attached
 <unfinished ...>
[pid  2642] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2640] <... futex resumed>)        = 0
[pid  2644] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2642] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2640] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2642] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2640] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2645 attached
[pid  2644] <... set_robust_list resumed>) = 0
[pid  2643] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2642] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2640] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2645] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2642] <... openat resumed>)       = 3
[pid  2642] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2643
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2644
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2645
[pid  2645] <... set_robust_list resumed>) = 0
[pid  2643] <... set_robust_list resumed>) = 0
[pid  2642] <... futex resumed>)        = 1
[pid  2640] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2645] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2644] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2642] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2640] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2643] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2640] <... futex resumed>)        = 0
[pid  2643] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2644] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2642] <... write resumed>)        = 2
[pid  2640] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2645] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2643] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2645] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2644] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2642] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2645] <... prctl resumed>)        = 0
[pid  2644] <... prctl resumed>)        = 0
[pid  2643] <... prctl resumed>)        = 0
[pid  2642] <... futex resumed>)        = 1
[pid  2640] <... futex resumed>)        = 0
[pid  2645] setpgid(0, 0 <unfinished ...>
[pid  2644] setpgid(0, 0 <unfinished ...>
[pid  2645] <... setpgid resumed>)      = 0
[pid  2645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2644] <... setpgid resumed>)      = 0
[pid  2642] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2640] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2645] <... openat resumed>)       = 3
[pid  2643] setpgid(0, 0 <unfinished ...>
[pid  2645] write(3, "1000", 4 <unfinished ...>
[pid  2640] <... futex resumed>)        = 0
[pid  2645] <... write resumed>)        = 4
[pid  2642] <... openat resumed>)       = 4
[pid  2640] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2645] close(3 <unfinished ...>
executing program
[pid  2644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2645] <... close resumed>)        = 0
[pid  2643] <... setpgid resumed>)      = 0
[pid  2642] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2645] write(1, "executing program\n", 18) = 18
[pid  2643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2642] <... futex resumed>)        = 1
[pid  2640] <... futex resumed>)        = 0
[pid  2642] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2645] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2640] exit_group(0 <unfinished ...>
[pid  2645] <... futex resumed>)        = 0
[pid  2645] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2640] <... exit_group resumed>)   = ?
[pid  2645] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2645] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2642] <... futex resumed>)        = ?
[pid  2645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2644] <... openat resumed>)       = 3
[pid  2643] <... openat resumed>)       = 3
[pid  2644] write(3, "1000", 4 <unfinished ...>
[pid  2645] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2645] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2645] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2646 attached
 => {parent_tid=[2646]}, 88) = 2646
[pid  2642] +++ exited with 0 +++
[pid  2640] +++ exited with 0 +++
[pid  2646] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2645] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2644] <... write resumed>)        = 4
[pid  2643] write(3, "1000", 4 <unfinished ...>
[pid  2644] close(3 <unfinished ...>
[pid  2643] <... write resumed>)        = 4
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2640, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2646] <... set_robust_list resumed>) = 0
[pid  2645] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2646] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2645] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2644] <... close resumed>)        = 0
[pid  2646] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2645] <... futex resumed>)        = 0
[pid  2643] close(3 <unfinished ...>
[pid  2646] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2645] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2644] write(1, "executing program\n", 18 <unfinished ...>
[pid  2646] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2643] <... close resumed>)        = 0
executing program
[pid  2646] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2644] <... write resumed>)        = 18
[pid  2643] write(1, "executing program\n", 18 <unfinished ...>
[pid  2646] <... futex resumed>)        = 1
[pid  2645] <... futex resumed>)        = 0
[pid  2646] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
executing program
[pid  2645] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2644] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2646] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2645] <... futex resumed>)        = 0
[pid  2644] <... futex resumed>)        = 0
[pid  2643] <... write resumed>)        = 18
[pid  2646] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2645] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2644] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2646] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2643] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2644] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2643] <... futex resumed>)        = 0
[pid  2644] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2643] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2646] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2645] <... futex resumed>)        = 0
[pid  2646] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2645] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2646] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2645] <... futex resumed>)        = 0
[pid  2646] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2645] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2646] <... openat resumed>)       = 3
[pid  2646] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2645] <... futex resumed>)        = 0
[pid  2646] <... futex resumed>)        = 1
[pid  2645] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2646] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2645] <... futex resumed>)        = 0
[pid  2644] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2643] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2646] <... write resumed>)        = 2
[pid  2645] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2643] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2646] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2645] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2644] <... mmap resumed>)         = 0x7fb4de009000
[pid  2643] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2646] <... futex resumed>)        = 0
[pid  2645] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2646] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2645] <... futex resumed>)        = 0
[pid  2644] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2646] <... openat resumed>)       = 4
[pid  2645] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2644] <... mprotect resumed>)     = 0
[pid  2643] <... mmap resumed>)         = 0x7fb4de009000
[pid  2646] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2643] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2645] <... futex resumed>)        = 0
[pid  2646] <... futex resumed>)        = 1
[pid  2645] exit_group(0 <unfinished ...>
[pid  2644] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2643] <... mprotect resumed>)     = 0
[pid  2645] <... exit_group resumed>)   = ?
[pid  2646] +++ exited with 0 +++
[pid  2645] +++ exited with 0 +++
[pid  2644] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2643] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2644] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2643] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2645, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2643] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 2648 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2647 attached
 <unfinished ...>
[pid  2644] <... clone3 resumed> => {parent_tid=[2647]}, 88) = 2647
[pid  2648] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2647] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2644] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2643] <... clone3 resumed> => {parent_tid=[2648]}, 88) = 2648
[pid  2644] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2643] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2648] <... set_robust_list resumed>) = 0
[pid  2647] <... set_robust_list resumed>) = 0
[pid  2648] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2647] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2644] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2643] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2648] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2647] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2644] <... futex resumed>)        = 0
[pid  2643] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2648] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2647] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2643] <... futex resumed>)        = 0
[pid  2648] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2647] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2644] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2648] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2647] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2644] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2643] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2648] <... futex resumed>)        = 0
[pid  2647] <... futex resumed>)        = 0
[pid  2644] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2648] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2647] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2644] <... futex resumed>)        = 0
[pid  2643] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2647] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2644] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2643] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2647] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2648] <... futex resumed>)        = 0
[pid  2644] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2643] <... futex resumed>)        = 1
[pid   314] <... restart_syscall resumed>) = 0
[pid  2644] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2643] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2644] <... futex resumed>)        = 0
[pid  2648] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2647] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2648] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2647] <... openat resumed>)       = 3
[pid  2644] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2648] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2647] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2644] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2648] <... futex resumed>)        = 1
[pid  2647] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2648] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2647] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2644] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2643] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  2647] <... write resumed>)        = 2
[pid  2644] <... futex resumed>)        = 0
[pid  2643] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2648] <... futex resumed>)        = 0
[pid  2647] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2644] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2643] <... futex resumed>)        = 1
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2648] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2647] <... futex resumed>)        = 0
[pid  2644] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2643] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2648] <... openat resumed>)       = 3
[pid  2647] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2644] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2648] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2647] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2649 attached
[pid  2648] <... futex resumed>)        = 1
[pid  2647] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2644] <... futex resumed>)        = 0
[pid  2643] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2649] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2648] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2647] <... openat resumed>)       = 4
[pid  2644] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2643] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2649
ci2-android-6-12-rust/strace-static-x86_64: Process 2650 attached
[pid  2649] <... set_robust_list resumed>) = 0
[pid  2648] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2643] <... futex resumed>)        = 0
[pid  2647] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2643] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2650] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2650] <... set_robust_list resumed>) = 0
[pid  2650] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2649] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2648] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2647] <... futex resumed>)        = 1
[pid  2644] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2650
[pid  2649] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2648] <... write resumed>)        = 2
[pid  2647] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2650] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2649] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2648] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2644] exit_group(0 <unfinished ...>
[pid  2650] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2649] <... prctl resumed>)        = 0
[pid  2648] <... futex resumed>)        = 1
[pid  2643] <... futex resumed>)        = 0
[pid  2647] <... futex resumed>)        = ?
[pid  2644] <... exit_group resumed>)   = ?
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2650] <... prctl resumed>)        = 0
[pid  2649] setpgid(0, 0 <unfinished ...>
[pid  2648] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2647] +++ exited with 0 +++
[pid  2643] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2650] setpgid(0, 0 <unfinished ...>
[pid  2649] <... setpgid resumed>)      = 0
[pid  2648] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2643] <... futex resumed>)        = 0
[pid  2650] <... setpgid resumed>)      = 0
[pid  2649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2648] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid  2649] <... openat resumed>)       = 3
[pid  2648] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2648] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2649] write(3, "1000", 4)         = 4
[pid  2649] close(3)                    = 0
[pid  2649] write(1, "executing program\n", 18) = 18
[pid  2644] +++ exited with 0 +++
executing program
[pid  2643] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2649] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2643] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2644, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2649] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2650] <... openat resumed>)       = 3
[pid  2649] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2643] exit_group(0 <unfinished ...>
[pid  2649] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2648] <... futex resumed>)        = ?
[pid  2643] <... exit_group resumed>)   = ?
[pid  2649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2648] +++ exited with 0 +++
[pid  2649] <... mmap resumed>)         = 0x7fb4de009000
[pid  2649] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2649] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2649] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2651 attached
 <unfinished ...>
[pid  2643] +++ exited with 0 +++
[pid  2650] write(3, "1000", 4 <unfinished ...>
[pid  2651] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2650] <... write resumed>)        = 4
[pid  2649] <... clone3 resumed> => {parent_tid=[2651]}, 88) = 2651
[pid  2651] <... set_robust_list resumed>) = 0
[pid  2650] close(3 <unfinished ...>
[pid  2649] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2643, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
executing program
[pid  2651] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2650] <... close resumed>)        = 0
[pid  2649] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2651] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2650] write(1, "executing program\n", 18 <unfinished ...>
[pid  2649] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2651] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2650] <... write resumed>)        = 18
[pid  2649] <... futex resumed>)        = 0
[pid  2651] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2650] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2649] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2651] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2649] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2651] <... futex resumed>)        = 0
[pid  2649] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2651] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  2649] <... futex resumed>)        = 0
[pid  2650] <... futex resumed>)        = 0
[pid  2650] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2649] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2651] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2650] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2651] <... futex resumed>)        = 1
[pid  2649] <... futex resumed>)        = 0
[pid  2650] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2651] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2649] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2650] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2651] <... openat resumed>)       = 3
[pid  2649] <... futex resumed>)        = 0
[pid  2649] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2651] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2649] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2651] <... futex resumed>)        = 0
[pid  2649] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2651] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2650] <... mmap resumed>)         = 0x7fb4de009000
[pid  2651] <... write resumed>)        = 2
[pid  2650] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2649] <... futex resumed>)        = 0
[pid  2651] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2649] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2651] <... futex resumed>)        = 0
[pid  2650] <... mprotect resumed>)     = 0
[pid  2649] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2651] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2649] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2651] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2650] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2649] <... futex resumed>)        = 0
[pid  2651] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2650] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2649] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2651] <... openat resumed>)       = 4
[pid  2650] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2651] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2649] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2652 attached
[pid  2651] <... futex resumed>)        = 1
[pid  2649] exit_group(0 <unfinished ...>
[pid  2651] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2649] <... exit_group resumed>)   = ?
[pid  2651] <... futex resumed>)        = ?
[pid  2652] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2651] +++ exited with 0 +++
[pid  2649] +++ exited with 0 +++
[pid  2652] <... set_robust_list resumed>) = 0
[pid  2650] <... clone3 resumed> => {parent_tid=[2652]}, 88) = 2652
[pid  2652] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2650] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2652] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2650] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2652] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2650] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2649, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2652] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2650] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2652] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2650] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2652] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2652] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2650] <... futex resumed>)        = 0
[pid  2652] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2650] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2652] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2650] <... futex resumed>)        = 0
[pid  2652] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2652] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2650] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  2650] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2652] <... futex resumed>)        = 0
[pid  2652] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2650] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2652] <... openat resumed>)       = 3
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2652] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2652] <... futex resumed>)        = 1
[pid  2650] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2653 attached
[pid  2652] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2650] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2652] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2650] <... futex resumed>)        = 0
[pid  2653] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2652] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2650] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2653] <... set_robust_list resumed>) = 0
[pid  2653] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2652] <... write resumed>)        = 2
[pid  2652] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2654 attached
 <unfinished ...>
[pid  2653] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2652] <... futex resumed>)        = 1
[pid  2650] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  2652] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2650] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2653
[pid  2654] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2653] <... prctl resumed>)        = 0
[pid  2654] <... set_robust_list resumed>) = 0
[pid  2653] setpgid(0, 0 <unfinished ...>
[pid  2650] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2653] <... setpgid resumed>)      = 0
[pid  2652] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2650] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2654
[pid  2652] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2654] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2652] <... openat resumed>)       = 4
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2654] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2652] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2652] <... futex resumed>)        = 1
[pid  2650] <... futex resumed>)        = 0
[pid  2654] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2652] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2653] <... openat resumed>)       = 3
[pid  2650] exit_group(0 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2653] write(3, "1000", 4 <unfinished ...>
[pid  2652] <... futex resumed>)        = ?
[pid  2650] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 2655 attached
[pid  2654] <... prctl resumed>)        = 0
[pid  2653] <... write resumed>)        = 4
[pid  2652] +++ exited with 0 +++
[pid  2654] setpgid(0, 0 <unfinished ...>
[pid  2653] close(3 <unfinished ...>
[pid  2655] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2653] <... close resumed>)        = 0
[pid  2654] <... setpgid resumed>)      = 0
[pid  2653] write(1, "executing program\n", 18 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2655
[pid  2655] <... set_robust_list resumed>) = 0
executing program
[pid  2650] +++ exited with 0 +++
[pid  2654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2655] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2653] <... write resumed>)        = 18
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2650, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2655] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2655] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2653] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2655] <... prctl resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2655] setpgid(0, 0 <unfinished ...>
[pid  2654] <... openat resumed>)       = 3
[pid  2653] <... futex resumed>)        = 0
[pid  2655] <... setpgid resumed>)      = 0
[pid  2654] write(3, "1000", 4 <unfinished ...>
[pid  2653] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2654] <... write resumed>)        = 4
[pid  2653] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2654] close(3 <unfinished ...>
[pid  2653] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2654] <... close resumed>)        = 0
[pid  2653] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2655] <... openat resumed>)       = 3
[pid  2654] write(1, "executing program\n", 18 <unfinished ...>
[pid  2653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2655] write(3, "1000", 4 <unfinished ...>
[pid  2654] <... write resumed>)        = 18
[pid  2655] <... write resumed>)        = 4
[pid  2653] <... mmap resumed>)         = 0x7fb4de009000
[pid  2655] close(3)                    = 0
[pid  2654] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2655] write(1, "executing program\n", 18) = 18
executing program
executing program
[pid  2655] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2655] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2655] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2655] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2655] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2654] <... futex resumed>)        = 0
[pid  2653] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2655] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2655] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2654] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2653] <... mprotect resumed>)     = 0
[pid  2654] <... rt_sigaction resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2656 attached
[pid  2656] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2655] <... clone3 resumed> => {parent_tid=[2656]}, 88) = 2656
[pid  2654] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2653] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2654] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2653] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2654] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2653] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2654] <... mmap resumed>)         = 0x7fb4de009000
[pid  2656] <... set_robust_list resumed>) = 0
[pid  2655] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2656] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2655] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2657 attached
[pid  2656] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2655] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2654] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2657] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2656] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2655] <... futex resumed>)        = 0
[pid  2657] <... set_robust_list resumed>) = 0
[pid  2656] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2655] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2654] <... mprotect resumed>)     = 0
[pid  2653] <... clone3 resumed> => {parent_tid=[2657]}, 88) = 2657
[pid  2657] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2656] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2655] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2657] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2656] <... futex resumed>)        = 0
[pid  2655] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2654] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2653] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2657] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2656] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2655] <... futex resumed>)        = 0
[pid  2654] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2653] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2656] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2655] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2654] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2653] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2657] <... futex resumed>)        = 0
[pid  2656] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2653] <... futex resumed>)        = 1
[pid  2657] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2656] <... futex resumed>)        = 1
[pid  2655] <... futex resumed>)        = 0
[pid  2655] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2653] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2657] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2656] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2655] <... futex resumed>)        = 0
[pid  2657] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2656] <... openat resumed>)       = 3
[pid  2655] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2658 attached
 <unfinished ...>
[pid  2657] <... futex resumed>)        = 1
[pid  2653] <... futex resumed>)        = 0
[pid  2657] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2656] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2655] <... futex resumed>)        = 0
[pid  2656] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2655] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2656] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2655] <... futex resumed>)        = 0
[pid  2656] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2655] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2656] <... write resumed>)        = 2
[pid  2656] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2655] <... futex resumed>)        = 0
[pid  2656] <... futex resumed>)        = 1
[pid  2656] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2655] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2658] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2656] <... openat resumed>)       = 4
[pid  2655] <... futex resumed>)        = 0
[pid  2653] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2658] <... set_robust_list resumed>) = 0
[pid  2654] <... clone3 resumed> => {parent_tid=[2658]}, 88) = 2658
[pid  2658] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2653] <... futex resumed>)        = 1
[pid  2654] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2658] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2654] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2653] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2658] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2657] <... futex resumed>)        = 0
[pid  2656] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2655] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2657] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2656] <... futex resumed>)        = 0
[pid  2655] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2654] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2657] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2656] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2655] exit_group(0 <unfinished ...>
[pid  2654] <... futex resumed>)        = 1
[pid  2658] <... futex resumed>)        = 0
[pid  2657] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2656] <... futex resumed>)        = ?
[pid  2655] <... exit_group resumed>)   = ?
[pid  2658] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2657] <... futex resumed>)        = 1
[pid  2656] +++ exited with 0 +++
[pid  2655] +++ exited with 0 +++
[pid  2654] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2653] <... futex resumed>)        = 0
[pid  2658] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2653] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2658] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2653] <... futex resumed>)        = 0
[pid  2658] <... futex resumed>)        = 1
[pid  2654] <... futex resumed>)        = 0
[pid  2653] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2655, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2658] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2654] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2658] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2654] <... futex resumed>)        = 0
[pid  2658] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2654] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2657] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2658] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2657] <... openat resumed>)       = 3
[pid  2658] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2657] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2653] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2658] <... futex resumed>)        = 1
[pid  2657] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2654] <... futex resumed>)        = 0
[pid  2653] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2658] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2657] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2654] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2653] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2658] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2657] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2654] <... futex resumed>)        = 0
[pid  2653] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2657] <... write resumed>)        = 2
[pid  2657] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2653] <... futex resumed>)        = 0
[pid  2653] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2653] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2657] <... futex resumed>)        = 1
[pid  2657] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2659
ci2-android-6-12-rust/strace-static-x86_64: Process 2659 attached
[pid  2658] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2654] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2658] <... openat resumed>)       = 3
[pid  2657] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2659] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2658] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2657] <... futex resumed>)        = 1
[pid  2653] <... futex resumed>)        = 0
[pid  2659] <... set_robust_list resumed>) = 0
[pid  2658] <... futex resumed>)        = 1
[pid  2657] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2654] <... futex resumed>)        = 0
[pid  2653] exit_group(0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2659] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2658] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2657] <... futex resumed>)        = ?
[pid  2654] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2653] <... exit_group resumed>)   = ?
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2659] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2658] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2657] +++ exited with 0 +++
[pid  2654] <... futex resumed>)        = 0
[pid  2653] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2653, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 2660 attached
 <unfinished ...>
[pid  2659] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2658] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2654] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2658] <... write resumed>)        = 2
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2660
[pid  2658] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2659] <... prctl resumed>)        = 0
[pid  2659] setpgid(0, 0)               = 0
[pid  2660] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2658] <... futex resumed>)        = 1
[pid  2654] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2660] <... set_robust_list resumed>) = 0
[pid  2659] <... openat resumed>)       = 3
[pid  2658] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2654] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2659] write(3, "1000", 4 <unfinished ...>
[pid  2654] <... futex resumed>)        = 0
[pid  2659] <... write resumed>)        = 4
[pid  2654] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2660] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2658] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2660] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2659] close(3 <unfinished ...>
[pid  2658] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2660] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2659] <... close resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2659] write(1, "executing program\n", 18 <unfinished ...>
[pid  2660] <... prctl resumed>)        = 0
executing program
[pid  2659] <... write resumed>)        = 18
[pid  2658] <... openat resumed>)       = 4
[pid  2659] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2659] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2659] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2659] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2660] setpgid(0, 0 <unfinished ...>
[pid  2658] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2660] <... setpgid resumed>)      = 0
[pid  2658] <... futex resumed>)        = 1
[pid  2654] <... futex resumed>)        = 0
[pid  2659] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2654] exit_group(0 <unfinished ...>
[pid  2660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2659] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2659] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2654] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 2661 attached
[pid  2661] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2659] <... clone3 resumed> => {parent_tid=[2661]}, 88) = 2661
[pid  2661] <... set_robust_list resumed>) = 0
[pid  2659] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2658] +++ exited with 0 +++
[pid  2661] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2659] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2661] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2659] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2661] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2659] <... futex resumed>)        = 0
[pid  2659] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2661] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2661] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2654] +++ exited with 0 +++
[pid  2661] <... futex resumed>)        = 1
[pid  2660] <... openat resumed>)       = 3
[pid  2659] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2654, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2661] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2660] write(3, "1000", 4 <unfinished ...>
[pid  2659] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2661] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2659] <... futex resumed>)        = 0
[pid  2661] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2659] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2661] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2660] <... write resumed>)        = 4
[pid  2661] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2660] close(3)                    = 0
[pid  2659] <... futex resumed>)        = 0
[pid  2661] <... futex resumed>)        = 1
[pid  2659] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2661] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2660] write(1, "executing program\n", 18 <unfinished ...>
[pid  2659] <... futex resumed>)        = 0
executing program
[pid  2661] <... openat resumed>)       = 3
[pid  2660] <... write resumed>)        = 18
[pid  2659] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2660] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2661] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2660] <... futex resumed>)        = 0
[pid  2659] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2661] <... futex resumed>)        = 0
[pid  2659] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2661] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2659] <... futex resumed>)        = 0
[pid  2661] <... write resumed>)        = 2
[pid  2660] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2659] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2660] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2661] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2660] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2659] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2661] <... futex resumed>)        = 0
[pid  2659] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2661] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2660] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2659] <... futex resumed>)        = 0
[pid  2661] <... openat resumed>)       = 4
[pid  2660] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2659] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2661] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2660] <... mmap resumed>)         = 0x7fb4de009000
[pid  2661] <... futex resumed>)        = 1
[pid  2660] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2659] <... futex resumed>)        = 0
[pid  2661] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2659] exit_group(0 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2661] <... futex resumed>)        = ?
[pid  2660] <... mprotect resumed>)     = 0
[pid  2659] <... exit_group resumed>)   = ?
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  2661] +++ exited with 0 +++
[pid  2660] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2659] +++ exited with 0 +++
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2662 attached
 <unfinished ...>
[pid  2660] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2660] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2662] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2662
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2659, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 2663 attached
[pid  2662] <... set_robust_list resumed>) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2662] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2660] <... clone3 resumed> => {parent_tid=[2663]}, 88) = 2663
[pid  2663] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2660] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2663] <... set_robust_list resumed>) = 0
[pid  2662] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2660] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2664 attached
[pid  2663] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2660] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2664] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2662] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2660] <... futex resumed>)        = 0
[pid  2664] <... set_robust_list resumed>) = 0
[pid  2662] <... prctl resumed>)        = 0
[pid  2660] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2663] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2662] setpgid(0, 0 <unfinished ...>
[pid  2663] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2664] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2663] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2662] <... setpgid resumed>)      = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2664
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2663] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2665 attached
 <unfinished ...>
[pid  2664] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2663] <... futex resumed>)        = 1
[pid  2662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2660] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2664] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2663] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2660] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2664] <... prctl resumed>)        = 0
[pid  2662] <... openat resumed>)       = 3
[pid  2665] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2664] setpgid(0, 0 <unfinished ...>
[pid  2662] write(3, "1000", 4 <unfinished ...>
[pid  2665] <... set_robust_list resumed>) = 0
[pid  2664] <... setpgid resumed>)      = 0
[pid  2662] <... write resumed>)        = 4
[pid  2663] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2662] close(3 <unfinished ...>
[pid  2660] <... futex resumed>)        = 0
[pid  2663] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2660] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2665
[pid  2665] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2663] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2662] <... close resumed>)        = 0
[pid  2665] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2662] write(1, "executing program\n", 18 <unfinished ...>
[pid  2663] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2663] <... futex resumed>)        = 1
[pid  2660] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2663] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2660] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2663] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2660] <... futex resumed>)        = 0
[pid  2663] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2660] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2663] <... openat resumed>)       = 3
[pid  2663] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2660] <... futex resumed>)        = 0
[pid  2663] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2660] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2663] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2660] <... futex resumed>)        = 0
[pid  2663] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2660] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2663] <... write resumed>)        = 2
[pid  2662] <... write resumed>)        = 18
[pid  2663] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2664] <... openat resumed>)       = 3
[pid  2660] <... futex resumed>)        = 0
[pid  2663] <... futex resumed>)        = 1
[pid  2662] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2660] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2665] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2664] write(3, "1000", 4 <unfinished ...>
[pid  2663] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2662] <... futex resumed>)        = 0
[pid  2660] <... futex resumed>)        = 0
executing program
[pid  2665] <... prctl resumed>)        = 0
[pid  2664] <... write resumed>)        = 4
[pid  2663] <... openat resumed>)       = 4
[pid  2662] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2660] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2665] setpgid(0, 0 <unfinished ...>
[pid  2664] close(3 <unfinished ...>
[pid  2663] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2660] <... futex resumed>)        = 0
[pid  2665] <... setpgid resumed>)      = 0
[pid  2664] <... close resumed>)        = 0
[pid  2663] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2662] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2660] exit_group(0 <unfinished ...>
[pid  2663] <... futex resumed>)        = ?
[pid  2660] <... exit_group resumed>)   = ?
[pid  2662] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2664] write(1, "executing program\n", 18 <unfinished ...>
[pid  2662] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  2665] <... openat resumed>)       = 3
[pid  2664] <... write resumed>)        = 18
[pid  2663] +++ exited with 0 +++
[pid  2662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2660] +++ exited with 0 +++
[pid  2665] write(3, "1000", 4 <unfinished ...>
[pid  2664] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2665] <... write resumed>)        = 4
[pid  2664] <... futex resumed>)        = 0
[pid  2662] <... mmap resumed>)         = 0x7fb4de009000
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2660, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2665] close(3 <unfinished ...>
[pid  2664] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2662] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2665] <... close resumed>)        = 0
[pid  2664] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2665] write(1, "executing program\n", 18 <unfinished ...>
[pid  2664] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2662] <... mprotect resumed>)     = 0
[pid  2665] <... write resumed>)        = 18
[pid  2664] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  2665] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2662] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2664] <... mmap resumed>)         = 0x7fb4de009000
[pid  2662] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2665] <... futex resumed>)        = 0
[pid  2664] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2665] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2664] <... mprotect resumed>)     = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2666 attached
[pid  2665] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2664] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2666] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2665] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2664] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2662] <... clone3 resumed> => {parent_tid=[2666]}, 88) = 2666
[pid  2666] <... set_robust_list resumed>) = 0
[pid  2666] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2665] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2664] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2662] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2666] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2662] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2666] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2665] <... mmap resumed>)         = 0x7fb4de009000
[pid  2662] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2665] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2666] <... futex resumed>)        = 0
[pid  2662] <... futex resumed>)        = 1
[pid  2666] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2665] <... mprotect resumed>)     = 0
[pid  2662] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2667 attached
 <unfinished ...>
[pid  2666] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2667] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2666] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2667] <... set_robust_list resumed>) = 0
[pid  2666] <... futex resumed>)        = 0
[pid  2667] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2666] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2667] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2667] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2665] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2664] <... clone3 resumed> => {parent_tid=[2667]}, 88) = 2667
[pid  2662] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2665] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2665] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2664] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2662] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2668 attached
 <unfinished ...>
[pid  2665] <... clone3 resumed> => {parent_tid=[2668]}, 88) = 2668
[pid  2666] <... futex resumed>)        = 0
[pid  2664] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2662] <... futex resumed>)        = 1
[pid  2668] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2666] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2665] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2668] <... set_robust_list resumed>) = 0
[pid  2666] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2665] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2664] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2662] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2668] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2664] <... futex resumed>)        = 1
[pid  2668] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2667] <... futex resumed>)        = 0
[pid  2666] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2665] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2664] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2668] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2667] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2666] <... futex resumed>)        = 1
[pid  2665] <... futex resumed>)        = 0
[pid  2668] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2667] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2666] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2665] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2662] <... futex resumed>)        = 0
[pid  2668] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2667] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2665] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2668] <... futex resumed>)        = 0
[pid  2667] <... futex resumed>)        = 1
[pid  2665] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2664] <... futex resumed>)        = 0
[pid  2662] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2668] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2667] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2666] <... futex resumed>)        = 0
[pid  2665] <... futex resumed>)        = 0
[pid  2664] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2662] <... futex resumed>)        = 1
[pid  2668] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2667] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2666] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2665] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2664] <... futex resumed>)        = 0
[pid  2662] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2668] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2667] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2666] <... openat resumed>)       = 3
[pid  2665] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2664] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2668] <... futex resumed>)        = 0
[pid  2667] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2666] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2665] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2668] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2666] <... futex resumed>)        = 1
[pid  2665] <... futex resumed>)        = 0
[pid  2668] <... openat resumed>)       = 3
[pid  2667] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2666] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2665] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2662] <... futex resumed>)        = 0
[pid  2668] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2667] <... futex resumed>)        = 1
[pid  2665] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2664] <... futex resumed>)        = 0
[pid  2668] <... futex resumed>)        = 0
[pid  2667] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2665] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2664] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2662] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2668] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2667] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2665] <... futex resumed>)        = 0
[pid  2666] <... futex resumed>)        = 0
[pid  2664] <... futex resumed>)        = 0
[pid  2662] <... futex resumed>)        = 1
[pid  2668] <... write resumed>)        = 2
[pid  2667] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2666] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2665] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2662] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2664] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2668] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2667] <... openat resumed>)       = 3
[pid  2666] <... write resumed>)        = 2
[pid  2665] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2667] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2666] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2665] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2668] <... futex resumed>)        = 0
[pid  2667] <... futex resumed>)        = 0
[pid  2666] <... futex resumed>)        = 1
[pid  2665] <... futex resumed>)        = 0
[pid  2664] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2662] <... futex resumed>)        = 0
[pid  2668] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2667] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2666] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2665] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2664] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2662] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2668] <... openat resumed>)       = 4
[pid  2667] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2666] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2664] <... futex resumed>)        = 0
[pid  2662] <... futex resumed>)        = 0
[pid  2667] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2666] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2664] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2662] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2668] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2667] <... write resumed>)        = 2
[pid  2666] <... openat resumed>)       = 4
[pid  2668] <... futex resumed>)        = 1
[pid  2667] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2665] <... futex resumed>)        = 0
[pid  2668] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2667] <... futex resumed>)        = 1
[pid  2666] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2665] exit_group(0 <unfinished ...>
[pid  2664] <... futex resumed>)        = 0
[pid  2668] <... futex resumed>)        = ?
[pid  2667] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2666] <... futex resumed>)        = 1
[pid  2665] <... exit_group resumed>)   = ?
[pid  2664] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2662] <... futex resumed>)        = 0
[pid  2668] +++ exited with 0 +++
[pid  2667] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2665] +++ exited with 0 +++
[pid  2666] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2664] <... futex resumed>)        = 0
[pid  2662] exit_group(0 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2667] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2666] <... futex resumed>)        = ?
[pid  2664] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2662] <... exit_group resumed>)   = ?
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2665, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2667] <... openat resumed>)       = 4
[pid  2666] +++ exited with 0 +++
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2667] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2667] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2662] +++ exited with 0 +++
[pid  2664] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2662, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2664] exit_group(0 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2667] <... futex resumed>)        = ?
[pid  2664] <... exit_group resumed>)   = ?
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2667] +++ exited with 0 +++
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2664] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2664, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 2669 attached
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2669] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2669
[pid  2669] <... set_robust_list resumed>) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2669] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2669] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2669] setpgid(0, 0)               = 0
[pid  2669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2669] write(3, "1000", 4)         = 4
[pid  2669] close(3)                    = 0
[pid  2669] write(1, "executing program\n", 18) = 18
executing program
[pid  2669] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2669] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2669] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2669] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2669] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2669] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2669] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2670 attached
 => {parent_tid=[2670]}, 88) = 2670
[pid  2670] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2669] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2670] <... set_robust_list resumed>) = 0
[pid  2669] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2670] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2669] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2670] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2669] <... futex resumed>)        = 0
[pid  2670] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2669] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2670] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2670] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2670] <... futex resumed>)        = 1
[pid  2669] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2670] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2669] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2670] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2669] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2671 attached
[pid  2670] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2669] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2670] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2670] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2669] <... futex resumed>)        = 0
[pid  2671] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2671] <... set_robust_list resumed>) = 0
[pid  2669] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2670] <... futex resumed>)        = 1
[pid  2669] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2671] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2670] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2671
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2670] <... openat resumed>)       = 3
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2670] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2669] <... futex resumed>)        = 0
[pid  2670] <... futex resumed>)        = 1
[pid  2669] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2670] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2669] <... futex resumed>)        = 0
[pid  2670] <... write resumed>)        = 2
[pid  2669] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2670] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2669] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2670] <... futex resumed>)        = 0
[pid  2669] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2670] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2671] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2670] <... openat resumed>)       = 4
[pid  2669] <... futex resumed>)        = 0
executing program
[pid  2671] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2671] <... prctl resumed>)        = 0
[pid  2670] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2669] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2670] <... futex resumed>)        = 0
[pid  2669] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2671] setpgid(0, 0 <unfinished ...>
[pid  2670] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2669] exit_group(0 <unfinished ...>
[pid  2671] <... setpgid resumed>)      = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2672 attached
[pid  2671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2670] <... futex resumed>)        = ?
[pid  2669] <... exit_group resumed>)   = ?
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2672
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2673 attached
 <unfinished ...>
[pid  2672] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2671] <... openat resumed>)       = 3
[pid  2670] +++ exited with 0 +++
[pid  2669] +++ exited with 0 +++
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2672] <... set_robust_list resumed>) = 0
[pid  2671] write(3, "1000", 4 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2673] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2671] <... write resumed>)        = 4
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2669, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2671] close(3 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2673] <... set_robust_list resumed>) = 0
[pid  2671] <... close resumed>)        = 0
[pid  2672] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2671] write(1, "executing program\n", 18 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2673
[pid  2673] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2672] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2671] <... write resumed>)        = 18
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2673] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2672] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2671] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2672] <... prctl resumed>)        = 0
[pid  2673] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2671] <... futex resumed>)        = 0
[pid  2673] <... prctl resumed>)        = 0
[pid  2672] setpgid(0, 0 <unfinished ...>
[pid  2671] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2672] <... setpgid resumed>)      = 0
[pid  2673] setpgid(0, 0 <unfinished ...>
[pid  2672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2671] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2673] <... setpgid resumed>)      = 0
[pid  2671] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2672] <... openat resumed>)       = 3
[pid  2671] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2672] write(3, "1000", 4 <unfinished ...>
[pid  2671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2672] <... write resumed>)        = 4
[pid  2672] close(3 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2672] <... close resumed>)        = 0
executing program
[pid  2672] write(1, "executing program\n", 18) = 18
[pid  2672] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2672] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2672] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2671] <... mmap resumed>)         = 0x7fb4de009000
[pid  2672] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2673] <... openat resumed>)       = 3
[pid  2671] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2673] write(3, "1000", 4 <unfinished ...>
[pid  2671] <... mprotect resumed>)     = 0
[pid  2672] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2673] <... write resumed>)        = 4
[pid  2672] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2671] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2673] close(3 <unfinished ...>
[pid  2672] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
executing program
[pid  2671] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2673] <... close resumed>)        = 0
[pid  2671] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2674 attached
 <unfinished ...>
[pid  2673] write(1, "executing program\n", 18 <unfinished ...>
[pid  2672] <... clone3 resumed> => {parent_tid=[2674]}, 88) = 2674
ci2-android-6-12-rust/strace-static-x86_64: Process 2675 attached
[pid  2672] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2675] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2672] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2675] <... set_robust_list resumed>) = 0
[pid  2672] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2675] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2672] <... futex resumed>)        = 0
[pid  2673] <... write resumed>)        = 18
[pid  2671] <... clone3 resumed> => {parent_tid=[2675]}, 88) = 2675
[pid  2674] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2673] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2671] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2676 attached
 <unfinished ...>
[pid  2675] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2672] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2676] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2675] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2676] <... set_robust_list resumed>) = 0
[pid  2676] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2676] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2673] <... futex resumed>)        = 0
[pid  2671] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2674] <... set_robust_list resumed>) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2676
[pid  2676] <... prctl resumed>)        = 0
[pid  2676] setpgid(0, 0)               = 0
[pid  2674] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2671] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2674] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2673] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2675] <... futex resumed>)        = 0
[pid  2671] <... futex resumed>)        = 1
[pid  2676] <... openat resumed>)       = 3
[pid  2675] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2674] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2673] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2676] write(3, "1000", 4 <unfinished ...>
[pid  2675] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2674] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2673] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2671] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2676] <... write resumed>)        = 4
[pid  2674] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2673] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2674] <... futex resumed>)        = 1
[pid  2676] close(3 <unfinished ...>
[pid  2675] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2672] <... futex resumed>)        = 0
[pid  2676] <... close resumed>)        = 0
[pid  2675] <... futex resumed>)        = 1
[pid  2674] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2672] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2671] <... futex resumed>)        = 0
[pid  2676] write(1, "executing program\n", 18 <unfinished ...>
[pid  2675] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2674] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2672] <... futex resumed>)        = 0
[pid  2676] <... write resumed>)        = 18
executing program
[pid  2675] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2674] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2673] <... mmap resumed>)         = 0x7fb4de009000
[pid  2672] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2671] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2676] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2675] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2676] <... futex resumed>)        = 0
[pid  2675] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2674] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2673] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2671] <... futex resumed>)        = 0
[pid  2676] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2675] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2674] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2676] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2675] <... futex resumed>)        = 0
[pid  2673] <... mprotect resumed>)     = 0
[pid  2671] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2674] <... futex resumed>)        = 1
[pid  2672] <... futex resumed>)        = 0
[pid  2676] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2675] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2674] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2672] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2671] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2676] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2674] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2673] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2672] <... futex resumed>)        = 0
[pid  2671] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2672] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2676] <... mmap resumed>)         = 0x7fb4de009000
[pid  2675] <... futex resumed>)        = 0
[pid  2674] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2673] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2671] <... futex resumed>)        = 1
[pid  2674] <... openat resumed>)       = 3
[pid  2673] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2671] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2674] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2676] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2675] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2676] <... mprotect resumed>)     = 0
[pid  2675] <... openat resumed>)       = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 2677 attached
[pid  2676] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2675] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2674] <... futex resumed>)        = 1
[pid  2672] <... futex resumed>)        = 0
[pid  2677] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2676] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2675] <... futex resumed>)        = 1
[pid  2674] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2672] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2671] <... futex resumed>)        = 0
[pid  2677] <... set_robust_list resumed>) = 0
[pid  2676] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2675] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2674] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2673] <... clone3 resumed> => {parent_tid=[2677]}, 88) = 2677
[pid  2672] <... futex resumed>)        = 0
[pid  2671] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2674] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2673] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2678 attached
 <unfinished ...>
[pid  2677] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2675] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2674] <... write resumed>)        = 2
[pid  2673] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2672] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2671] <... futex resumed>)        = 0
[pid  2677] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2676] <... clone3 resumed> => {parent_tid=[2678]}, 88) = 2678
[pid  2675] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2674] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2673] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2672] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2678] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2677] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2676] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2675] <... write resumed>)        = 2
[pid  2674] <... futex resumed>)        = 0
[pid  2673] <... futex resumed>)        = 0
[pid  2672] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2671] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2678] <... set_robust_list resumed>) = 0
[pid  2677] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2676] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2675] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2674] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2673] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2672] <... futex resumed>)        = 0
[pid  2678] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2677] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2676] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2675] <... futex resumed>)        = 0
[pid  2672] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2671] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2678] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2677] <... futex resumed>)        = 0
[pid  2676] <... futex resumed>)        = 0
[pid  2675] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2674] <... openat resumed>)       = 4
[pid  2673] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2678] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2677] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2676] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2675] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2671] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2677] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2675] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2674] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2673] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2677] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2675] <... openat resumed>)       = 4
[pid  2673] <... futex resumed>)        = 0
[pid  2674] <... futex resumed>)        = 1
[pid  2672] <... futex resumed>)        = 0
[pid  2671] <... futex resumed>)        = 0
[pid  2678] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2678] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2677] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2675] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2674] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2673] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2672] exit_group(0 <unfinished ...>
[pid  2671] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  2678] <... futex resumed>)        = 1
[pid  2677] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2676] <... futex resumed>)        = 0
[pid  2675] <... futex resumed>)        = 0
[pid  2674] <... futex resumed>)        = ?
[pid  2672] <... exit_group resumed>)   = ?
[pid  2678] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2671] exit_group(0 <unfinished ...>
[pid  2677] <... futex resumed>)        = 1
[pid  2676] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2675] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2674] +++ exited with 0 +++
[pid  2678] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2675] <... futex resumed>)        = ?
[pid  2678] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2677] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2676] <... futex resumed>)        = 0
[pid  2675] +++ exited with 0 +++
[pid  2673] <... futex resumed>)        = 0
[pid  2672] +++ exited with 0 +++
[pid  2671] <... exit_group resumed>)   = ?
[pid  2676] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2673] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2677] <... futex resumed>)        = 0
[pid  2673] <... futex resumed>)        = 1
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2672, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2673] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2678] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2677] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  2677] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2677] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2678] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2673] <... futex resumed>)        = 0
[pid  2671] +++ exited with 0 +++
[pid  2676] <... futex resumed>)        = 0
[pid  2673] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2671, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2673] <... futex resumed>)        = 1
[pid  2678] <... futex resumed>)        = 1
[pid  2677] <... futex resumed>)        = 0
[pid  2676] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2678] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2677] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2676] <... futex resumed>)        = 0
[pid  2678] <... openat resumed>)       = 3
[pid  2677] <... write resumed>)        = 2
[pid  2676] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2677] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2678] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2677] <... futex resumed>)        = 0
[pid  2678] <... futex resumed>)        = 1
[pid  2677] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2676] <... futex resumed>)        = 0
[pid  2678] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2676] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2678] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2676] <... futex resumed>)        = 0
[pid  2678] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2676] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2678] <... write resumed>)        = 2
[pid  2678] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2676] <... futex resumed>)        = 0
[pid  2678] <... futex resumed>)        = 1
[pid  2676] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2678] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2676] <... futex resumed>)        = 0
[pid  2678] <... openat resumed>)       = 4
[pid  2676] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2678] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2676] <... futex resumed>)        = 0
[pid  2678] <... futex resumed>)        = 1
[pid  2676] exit_group(0 <unfinished ...>
[pid  2673] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2673] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2673] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2673] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2677] <... futex resumed>)        = 0
[pid  2676] <... exit_group resumed>)   = ?
[pid  2678] +++ exited with 0 +++
[pid  2677] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2676] +++ exited with 0 +++
[pid  2677] <... openat resumed>)       = 4
[pid  2677] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2673] <... futex resumed>)        = 0
[pid  2677] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2676, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2673] exit_group(0 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2677] <... futex resumed>)        = ?
[pid  2673] <... exit_group resumed>)   = ?
[pid  2677] +++ exited with 0 +++
[pid  2673] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2673, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2679 attached
, child_tidptr=0x55557716c690) = 2679
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2679] set_robust_list(0x55557716c6a0, 24) = 0
[pid  2679] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2679] setpgid(0, 0)               = 0
[pid  2679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2679] write(3, "1000", 4)         = 4
[pid  2679] close(3)                    = 0
executing program
[pid  2679] write(1, "executing program\n", 18) = 18
[pid   313] <... restart_syscall resumed>) = 0
[pid  2679] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2679] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2679] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2679] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2679] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 2680 attached
) = 0x7fb4de009000
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2680] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2679] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2680
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2680] <... set_robust_list resumed>) = 0
[pid  2679] <... mprotect resumed>)     = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2680] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2679] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2681 attached
 <unfinished ...>
[pid  2680] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2679] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2681] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2680] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2681] <... set_robust_list resumed>) = 0
[pid  2681] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2679] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2680] <... prctl resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2681
[pid  2680] setpgid(0, 0 <unfinished ...>
[pid  2681] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2680] <... setpgid resumed>)      = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2682 attached
[pid  2681] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2682] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2679] <... clone3 resumed> => {parent_tid=[2682]}, 88) = 2682
[pid  2682] <... set_robust_list resumed>) = 0
[pid  2681] <... prctl resumed>)        = 0
[pid  2682] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2681] setpgid(0, 0 <unfinished ...>
[pid  2680] <... openat resumed>)       = 3
[pid  2679] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2682] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2681] <... setpgid resumed>)      = 0
[pid  2682] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2680] write(3, "1000", 4 <unfinished ...>
[pid  2679] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2681] <... openat resumed>)       = 3
[pid  2680] <... write resumed>)        = 4
[pid  2679] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2680] close(3 <unfinished ...>
[pid  2682] <... futex resumed>)        = 0
[pid  2682] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2681] write(3, "1000", 4 <unfinished ...>
[pid  2679] <... futex resumed>)        = 1
[pid  2682] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2681] <... write resumed>)        = 4
[pid  2680] <... close resumed>)        = 0
[pid  2679] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2680] write(1, "executing program\n", 18 <unfinished ...>
[pid  2682] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2681] close(3 <unfinished ...>
[pid  2682] <... futex resumed>)        = 1
[pid  2681] <... close resumed>)        = 0
[pid  2682] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2681] write(1, "executing program\n", 18) = 18
[pid  2681] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2681] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2681] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2680] <... write resumed>)        = 18
[pid  2679] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  2680] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2679] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2680] <... futex resumed>)        = 0
[pid  2679] <... futex resumed>)        = 1
[pid  2682] <... futex resumed>)        = 0
[pid  2681] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2679] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2680] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2682] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2681] <... mprotect resumed>)     = 0
[pid  2680] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2682] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2681] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2680] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2682] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2681] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2680] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2682] <... futex resumed>)        = 1
[pid  2681] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2679] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2683 attached
[pid  2682] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2683] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2681] <... clone3 resumed> => {parent_tid=[2683]}, 88) = 2683
[pid  2683] <... set_robust_list resumed>) = 0
[pid  2681] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2684 attached
executing program
executing program
 <unfinished ...>
[pid  2683] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2681] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2680] <... mmap resumed>)         = 0x7fb4de009000
[pid  2679] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2684] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2683] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2681] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2680] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2682] <... futex resumed>)        = 0
[pid  2679] <... futex resumed>)        = 1
[pid  2684] <... set_robust_list resumed>) = 0
[pid  2683] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2684
[pid  2684] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2683] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2681] <... futex resumed>)        = 0
[pid  2679] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2682] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2684] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2683] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2681] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2680] <... mprotect resumed>)     = 0
[pid  2682] <... openat resumed>)       = 3
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2684] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2683] <... futex resumed>)        = 0
[pid  2681] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2682] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2681] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2680] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2682] <... futex resumed>)        = 1
[pid  2680] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2679] <... futex resumed>)        = 0
[pid  2682] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2680] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2682] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2679] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2682] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2679] <... futex resumed>)        = 0
[pid  2682] <... write resumed>)        = 2
[pid  2679] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2682] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2679] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2682] <... futex resumed>)        = 0
[pid  2679] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2682] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2679] <... futex resumed>)        = 0
[pid  2684] <... prctl resumed>)        = 0
[pid  2683] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2681] <... futex resumed>)        = 0
[pid  2679] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2685 attached
 <unfinished ...>
[pid  2684] setpgid(0, 0 <unfinished ...>
[pid  2683] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2682] <... openat resumed>)       = 4
[pid  2681] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2685] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2684] <... setpgid resumed>)      = 0
[pid  2683] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2682] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2681] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2680] <... clone3 resumed> => {parent_tid=[2685]}, 88) = 2685
[pid  2685] <... set_robust_list resumed>) = 0
[pid  2684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2683] <... futex resumed>)        = 0
[pid  2682] <... futex resumed>)        = 1
[pid  2681] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2679] <... futex resumed>)        = 0
[pid  2685] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2684] <... openat resumed>)       = 3
[pid  2683] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2682] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2681] <... futex resumed>)        = 0
[pid  2680] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2685] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2684] write(3, "1000", 4 <unfinished ...>
[pid  2683] <... openat resumed>)       = 3
[pid  2681] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2680] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2679] exit_group(0 <unfinished ...>
[pid  2685] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2684] <... write resumed>)        = 4
[pid  2683] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2681] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2680] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2679] <... exit_group resumed>)   = ?
[pid  2682] <... futex resumed>)        = ?
[pid  2685] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2684] close(3 <unfinished ...>
[pid  2683] <... futex resumed>)        = 0
[pid  2681] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2680] <... futex resumed>)        = 0
[pid  2685] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2684] <... close resumed>)        = 0
[pid  2683] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2681] <... futex resumed>)        = 0
[pid  2685] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2684] write(1, "executing program\n", 18 <unfinished ...>
[pid  2683] <... write resumed>)        = 2
[pid  2681] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2685] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2684] <... write resumed>)        = 18
[pid  2683] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2681] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
executing program
[pid  2685] <... futex resumed>)        = 0
[pid  2684] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2683] <... futex resumed>)        = 0
[pid  2682] +++ exited with 0 +++
[pid  2681] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2680] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2679] +++ exited with 0 +++
[pid  2685] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2684] <... futex resumed>)        = 0
[pid  2683] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2681] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2679, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2684] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2683] <... openat resumed>)       = 4
[pid  2681] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2680] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2684] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2683] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2680] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2684] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2683] <... futex resumed>)        = 1
[pid  2681] <... futex resumed>)        = 0
[pid  2684] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2683] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2681] exit_group(0 <unfinished ...>
[pid  2684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2683] <... futex resumed>)        = ?
[pid  2681] <... exit_group resumed>)   = ?
[pid  2685] <... futex resumed>)        = 0
[pid  2684] <... mmap resumed>)         = 0x7fb4de009000
[pid  2683] +++ exited with 0 +++
[pid  2681] +++ exited with 0 +++
[pid  2680] <... futex resumed>)        = 1
[pid  2685] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2684] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2680] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2685] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2684] <... mprotect resumed>)     = 0
[pid  2685] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2684] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2681, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2685] <... futex resumed>)        = 1
[pid  2680] <... futex resumed>)        = 0
[pid  2685] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2680] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2685] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2680] <... futex resumed>)        = 0
[pid  2680] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2684] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2685] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2684] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2686 attached
 <unfinished ...>
[pid  2685] <... openat resumed>)       = 3
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2686] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2685] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2684] <... clone3 resumed> => {parent_tid=[2686]}, 88) = 2686
[pid  2686] <... set_robust_list resumed>) = 0
[pid  2685] <... futex resumed>)        = 1
[pid  2684] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2680] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2686] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2685] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2684] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2680] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2686] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2684] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2680] <... futex resumed>)        = 0
[pid  2686] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2684] <... futex resumed>)        = 0
[pid  2686] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2684] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2686] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2687 attached
 <unfinished ...>
[pid  2685] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2684] <... futex resumed>)        = 0
[pid  2680] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2687] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2686] <... futex resumed>)        = 1
[pid  2684] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2687] <... set_robust_list resumed>) = 0
[pid  2686] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2684] <... futex resumed>)        = 0
[pid  2687] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2686] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2685] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2684] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2687
[pid  2687] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2686] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2685] <... write resumed>)        = 2
[pid  2687] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2685] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2684] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2687] <... prctl resumed>)        = 0
[pid  2686] <... futex resumed>)        = 1
[pid  2684] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2687] setpgid(0, 0 <unfinished ...>
[pid  2686] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2685] <... futex resumed>)        = 1
[pid  2684] <... futex resumed>)        = 0
[pid  2680] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2687] <... setpgid resumed>)      = 0
[pid  2686] <... openat resumed>)       = 3
[pid  2685] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2684] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2680] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2686] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2685] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2684] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2687] <... openat resumed>)       = 3
[pid  2686] <... futex resumed>)        = 0
[pid  2685] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2684] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2680] <... futex resumed>)        = 0
[pid  2687] write(3, "1000", 4 <unfinished ...>
[pid  2686] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2684] <... futex resumed>)        = 0
[pid  2680] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2687] <... write resumed>)        = 4
[pid  2686] <... write resumed>)        = 2
[pid  2685] <... openat resumed>)       = 4
[pid  2684] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2687] close(3 <unfinished ...>
[pid  2686] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2685] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2684] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2687] <... close resumed>)        = 0
[pid  2686] <... futex resumed>)        = 0
[pid  2684] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2687] write(1, "executing program\n", 18 <unfinished ...>
[pid  2686] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2684] <... futex resumed>)        = 0
executing program
[pid  2687] <... write resumed>)        = 18
[pid  2686] <... openat resumed>)       = 4
[pid  2685] <... futex resumed>)        = 1
[pid  2684] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2680] <... futex resumed>)        = 0
[pid  2687] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2686] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2687] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2686] <... futex resumed>)        = 1
[pid  2684] <... futex resumed>)        = 0
[pid  2680] exit_group(0 <unfinished ...>
[pid  2687] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2686] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2684] exit_group(0 <unfinished ...>
[pid  2680] <... exit_group resumed>)   = ?
[pid  2687] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2686] <... futex resumed>)        = ?
[pid  2684] <... exit_group resumed>)   = ?
[pid  2687] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2686] +++ exited with 0 +++
[pid  2685] +++ exited with 0 +++
[pid  2684] +++ exited with 0 +++
[pid  2680] +++ exited with 0 +++
[pid  2687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2684, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2687] <... mmap resumed>)         = 0x7fb4de009000
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2680, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2687] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2687] <... mprotect resumed>)     = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2687] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2688 attached
, [], 8) = 0
[pid  2687] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2688
[pid  2688] set_robust_list(0x55557716c6a0, 24ci2-android-6-12-rust/strace-static-x86_64: Process 2689 attached
 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2688] <... set_robust_list resumed>) = 0
[pid  2687] <... clone3 resumed> => {parent_tid=[2689]}, 88) = 2689
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2689] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2688] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2687] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2689] <... set_robust_list resumed>) = 0
[pid  2688] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2687] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2689] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2687] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2688] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2687] <... futex resumed>)        = 0
[pid  2687] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2689] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2688] <... prctl resumed>)        = 0
[pid  2689] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2688] setpgid(0, 0 <unfinished ...>
[pid  2689] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2688] <... setpgid resumed>)      = 0
[pid  2689] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2689] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2687] <... futex resumed>)        = 0
[pid  2688] <... openat resumed>)       = 3
[pid  2687] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2688] write(3, "1000", 4 <unfinished ...>
[pid  2689] <... futex resumed>)        = 0
[pid  2687] <... futex resumed>)        = 1
[pid  2689] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2688] <... write resumed>)        = 4
[pid  2687] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2689] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2688] close(3 <unfinished ...>
[pid  2689] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2689] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2688] <... close resumed>)        = 0
[pid  2687] <... futex resumed>)        = 0
[pid  2688] write(1, "executing program\n", 18 <unfinished ...>
[pid  2687] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2688] <... write resumed>)        = 18
[pid  2687] <... futex resumed>)        = 1
[pid  2689] <... futex resumed>)        = 0
[pid  2688] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  2689] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2688] <... futex resumed>)        = 0
[pid  2687] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2689] <... openat resumed>)       = 3
[pid  2688] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2689] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2688] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2689] <... futex resumed>)        = 1
[pid  2688] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2689] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2688] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2687] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  2687] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2689] <... futex resumed>)        = 0
[pid  2688] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2689] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2688] <... mprotect resumed>)     = 0
[pid  2689] <... write resumed>)        = 2
[pid  2688] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2687] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2689] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2688] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2689] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2688] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2687] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2690 attached
 <unfinished ...>
[pid  2687] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2688] <... clone3 resumed> => {parent_tid=[2690]}, 88) = 2690
[pid  2690] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2689] <... futex resumed>)        = 0
[pid  2687] <... futex resumed>)        = 1
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2690] <... set_robust_list resumed>) = 0
[pid  2687] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2690] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2689] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2688] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2689] <... openat resumed>)       = 4
[pid  2688] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2689] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2688] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2691 attached
 <unfinished ...>
[pid  2690] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2689] <... futex resumed>)        = 1
[pid  2688] <... futex resumed>)        = 0
[pid  2691] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2690] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2689] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2688] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2687] <... futex resumed>)        = 0
[pid  2691] <... set_robust_list resumed>) = 0
[pid  2691] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2691] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2691] setpgid(0, 0)               = 0
[pid  2691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2690] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2687] exit_group(0 <unfinished ...>
[pid  2690] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2691
[pid  2690] <... futex resumed>)        = 1
[pid  2687] <... exit_group resumed>)   = ?
[pid  2690] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2691] <... openat resumed>)       = 3
[pid  2689] <... futex resumed>)        = ?
[pid  2688] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2691] write(3, "1000", 4 <unfinished ...>
[pid  2689] +++ exited with 0 +++
[pid  2688] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2687] +++ exited with 0 +++
[pid  2691] <... write resumed>)        = 4
[pid  2690] <... futex resumed>)        = 0
[pid  2688] <... futex resumed>)        = 1
[pid  2691] close(3 <unfinished ...>
[pid  2690] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2688] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2687, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2691] <... close resumed>)        = 0
[pid  2691] write(1, "executing program\n", 18 <unfinished ...>
[pid  2690] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2691] <... write resumed>)        = 18
[pid  2691] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid  2691] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2691] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2691] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2691] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2691] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2691] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2692 attached
 <unfinished ...>
[pid  2690] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2692] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2690] <... futex resumed>)        = 1
[pid  2688] <... futex resumed>)        = 0
[pid  2692] <... set_robust_list resumed>) = 0
[pid  2691] <... clone3 resumed> => {parent_tid=[2692]}, 88) = 2692
[pid  2690] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2688] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2692] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2691] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2690] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2688] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2692] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2691] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2690] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2688] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2692] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2691] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2690] <... openat resumed>)       = 3
[pid  2692] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2691] <... futex resumed>)        = 0
[pid  2690] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2693 attached
 <unfinished ...>
[pid  2692] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2691] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2693] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2690] <... futex resumed>)        = 1
[pid  2688] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2693] <... set_robust_list resumed>) = 0
[pid  2692] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2690] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2693
[pid  2693] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2692] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2693] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2692] <... futex resumed>)        = 0
[pid  2693] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2691] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2688] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2694 attached
 <unfinished ...>
[pid  2693] <... prctl resumed>)        = 0
[pid  2692] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2691] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2690] <... futex resumed>)        = 0
[pid  2688] <... futex resumed>)        = 1
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2694] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2693] setpgid(0, 0 <unfinished ...>
[pid  2692] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2691] <... futex resumed>)        = 0
[pid  2690] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2688] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2694
[pid  2694] <... set_robust_list resumed>) = 0
[pid  2693] <... setpgid resumed>)      = 0
[pid  2692] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2691] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2690] <... write resumed>)        = 2
[pid  2693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2692] <... futex resumed>)        = 0
[pid  2691] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2692] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2691] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2690] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2693] <... openat resumed>)       = 3
[pid  2692] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2691] <... futex resumed>)        = 0
[pid  2691] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2694] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2693] write(3, "1000", 4 <unfinished ...>
[pid  2692] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2690] <... futex resumed>)        = 1
[pid  2688] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2694] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2693] <... write resumed>)        = 4
[pid  2692] <... openat resumed>)       = 3
[pid  2690] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2688] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2694] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2693] close(3 <unfinished ...>
[pid  2692] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2688] <... futex resumed>)        = 0
[pid  2694] <... prctl resumed>)        = 0
[pid  2693] <... close resumed>)        = 0
[pid  2692] <... futex resumed>)        = 1
[pid  2691] <... futex resumed>)        = 0
[pid  2690] <... openat resumed>)       = 4
[pid  2688] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2694] setpgid(0, 0 <unfinished ...>
[pid  2693] write(1, "executing program\n", 18 <unfinished ...>
[pid  2692] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2691] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2694] <... setpgid resumed>)      = 0
[pid  2691] <... futex resumed>)        = 0
executing program
[pid  2694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2693] <... write resumed>)        = 18
[pid  2692] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2691] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2690] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2694] <... openat resumed>)       = 3
[pid  2693] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2692] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2694] write(3, "1000", 4 <unfinished ...>
[pid  2692] <... write resumed>)        = 2
[pid  2693] <... futex resumed>)        = 0
[pid  2692] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2690] <... futex resumed>)        = 1
[pid  2688] <... futex resumed>)        = 0
[pid  2694] <... write resumed>)        = 4
[pid  2693] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2692] <... futex resumed>)        = 1
[pid  2691] <... futex resumed>)        = 0
[pid  2690] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2688] exit_group(0 <unfinished ...>
[pid  2694] close(3 <unfinished ...>
[pid  2693] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2692] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2691] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2688] <... exit_group resumed>)   = ?
[pid  2694] <... close resumed>)        = 0
[pid  2692] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2691] <... futex resumed>)        = 0
[pid  2690] <... futex resumed>)        = ?
[pid  2694] write(1, "executing program\n", 18 <unfinished ...>
[pid  2691] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2694] <... write resumed>)        = 18
[pid  2692] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2694] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2694] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2694] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2694] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
executing program
[pid  2690] +++ exited with 0 +++
[pid  2688] +++ exited with 0 +++
[pid  2694] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2692] <... openat resumed>)       = 4
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2688, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2694] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2694] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2695 attached
 <unfinished ...>
[pid  2695] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2694] <... clone3 resumed> => {parent_tid=[2695]}, 88) = 2695
[pid  2695] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2694] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2695] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2694] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2693] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2692] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2695] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2694] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2695] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2692] <... futex resumed>)        = 1
[pid  2693] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2691] <... futex resumed>)        = 0
[pid  2695] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2694] <... futex resumed>)        = 0
[pid  2693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2692] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2691] exit_group(0 <unfinished ...>
[pid  2695] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2694] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2691] <... exit_group resumed>)   = ?
[pid  2695] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2694] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2693] <... mmap resumed>)         = 0x7fb4de009000
[pid  2692] <... futex resumed>)        = ?
[pid  2695] <... futex resumed>)        = 0
[pid  2694] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2693] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2695] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2694] <... futex resumed>)        = 0
[pid  2695] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2694] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2695] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2694] <... futex resumed>)        = 0
[pid  2694] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2695] <... futex resumed>)        = 1
[pid  2694] <... futex resumed>)        = 0
[pid  2695] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  2694] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2692] +++ exited with 0 +++
[pid  2691] +++ exited with 0 +++
[pid  2693] <... mprotect resumed>)     = 0
[pid  2695] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2694] <... futex resumed>)        = 0
[pid  2693] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2691, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2695] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2694] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2693] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2695] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2694] <... futex resumed>)        = 0
[pid  2695] write(3, "\x38\x00", 2)     = 2
[pid  2694] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2695] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2693] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2695] <... futex resumed>)        = 0
[pid  2694] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2696 attached
 <unfinished ...>
[pid  2695] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2694] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2695] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2694] <... futex resumed>)        = 0
[pid  2695] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2694] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2695] <... openat resumed>)       = 4
[pid  2695] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2694] <... futex resumed>)        = 0
[pid  2695] <... futex resumed>)        = 1
[pid  2695] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2694] exit_group(0 <unfinished ...>
[pid  2695] <... futex resumed>)        = ?
[pid  2694] <... exit_group resumed>)   = ?
[pid  2695] +++ exited with 0 +++
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2693] <... clone3 resumed> => {parent_tid=[2696]}, 88) = 2696
[pid  2696] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2693] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2696] <... set_robust_list resumed>) = 0
[pid  2693] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2697
[pid  2696] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2693] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2696] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2693] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2697 attached
[pid  2696] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2694] +++ exited with 0 +++
[pid  2693] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2697] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2696] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2694, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2697] <... set_robust_list resumed>) = 0
[pid  2696] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2697] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2697] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2696] <... futex resumed>)        = 1
[pid  2693] <... futex resumed>)        = 0
[pid  2696] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2693] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2696] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2693] <... futex resumed>)        = 0
[pid  2696] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2693] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2697] <... prctl resumed>)        = 0
[pid  2697] setpgid(0, 0)               = 0
[pid  2697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2696] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2697] <... openat resumed>)       = 3
[pid  2697] write(3, "1000", 4)         = 4
[pid  2697] close(3)                    = 0
[pid  2696] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2697] write(1, "executing program\n", 18 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2697] <... write resumed>)        = 18
[pid  2693] <... futex resumed>)        = 0
executing program
[pid  2697] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2696] <... futex resumed>)        = 1
[pid  2693] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2697] <... futex resumed>)        = 0
[pid  2696] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2693] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2697] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2697] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2696] <... openat resumed>)       = 3
[pid  2693] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2697] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2696] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2693] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2698 attached
[pid  2697] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2696] <... futex resumed>)        = 0
[pid  2693] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2696] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2693] <... futex resumed>)        = 0
[pid  2698] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2693] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2696] <... write resumed>)        = 2
[pid  2698] <... set_robust_list resumed>) = 0
[pid  2697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2698
[pid  2697] <... mmap resumed>)         = 0x7fb4de009000
[pid  2698] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2696] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2697] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2697] <... mprotect resumed>)     = 0
[pid  2698] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2697] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2696] <... futex resumed>)        = 1
[pid  2693] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2697] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2697] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2693] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2699 attached
[pid  2698] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2696] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2693] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2699] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2698] <... prctl resumed>)        = 0
[pid  2697] <... clone3 resumed> => {parent_tid=[2699]}, 88) = 2699
[pid  2697] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2697] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2697] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2700 attached
 <unfinished ...>
[pid  2698] setpgid(0, 0 <unfinished ...>
[pid  2699] <... set_robust_list resumed>) = 0
[pid  2698] <... setpgid resumed>)      = 0
[pid  2696] <... openat resumed>)       = 4
[pid  2693] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2700] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2700] <... set_robust_list resumed>) = 0
[pid  2699] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2696] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2700
[pid  2700] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2696] <... futex resumed>)        = 1
[pid  2700] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2699] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2696] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2693] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2700] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2699] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2698] <... openat resumed>)       = 3
[pid  2693] exit_group(0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2693] <... exit_group resumed>)   = ?
[pid  2696] <... futex resumed>)        = ?
[pid  2700] <... prctl resumed>)        = 0
[pid  2699] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2698] write(3, "1000", 4 <unfinished ...>
[pid  2700] setpgid(0, 0)               = 0
[pid  2700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2696] +++ exited with 0 +++
[pid  2698] <... write resumed>)        = 4
[pid  2693] +++ exited with 0 +++
[pid  2699] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2700] write(3, "1000", 4)         = 4
[pid  2700] close(3)                    = 0
[pid  2700] write(1, "executing program\n", 18) = 18
executing program
[pid  2700] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2700] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2700] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2700] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2698] close(3 <unfinished ...>
[pid  2699] <... futex resumed>)        = 1
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2693, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2699] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2698] <... close resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
executing program
[pid  2698] write(1, "executing program\n", 18 <unfinished ...>
[pid  2700] <... mmap resumed>)         = 0x7fb4de009000
[pid  2698] <... write resumed>)        = 18
[pid  2697] <... futex resumed>)        = 0
[pid  2700] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2698] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2697] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2700] <... mprotect resumed>)     = 0
[pid  2699] <... futex resumed>)        = 0
[pid  2698] <... futex resumed>)        = 0
[pid  2697] <... futex resumed>)        = 1
[pid  2700] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2699] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2698] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2697] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2700] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2698] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2700] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2701 attached
 <unfinished ...>
[pid  2699] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2698] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2700] <... clone3 resumed> => {parent_tid=[2701]}, 88) = 2701
[pid  2698] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2701] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2699] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2701] <... set_robust_list resumed>) = 0
[pid  2700] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2698] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2701] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2700] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2699] <... futex resumed>)        = 1
[pid  2698] <... mmap resumed>)         = 0x7fb4de009000
[pid  2697] <... futex resumed>)        = 0
[pid  2701] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2700] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2699] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2698] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2697] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2701] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2700] <... futex resumed>)        = 0
[pid  2699] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2698] <... mprotect resumed>)     = 0
[pid  2697] <... futex resumed>)        = 0
[pid  2701] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2700] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2699] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2697] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2701] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2699] <... openat resumed>)       = 3
[pid  2698] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2700] <... futex resumed>)        = 0
[pid  2701] <... futex resumed>)        = 1
[pid  2700] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2699] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2701] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2700] <... futex resumed>)        = 0
[pid  2699] <... futex resumed>)        = 1
[pid  2697] <... futex resumed>)        = 0
[pid  2701] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2700] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2699] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2698] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2697] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2701] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2699] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2698] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2697] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2701] <... futex resumed>)        = 1
[pid  2700] <... futex resumed>)        = 0
[pid  2699] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2697] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2702 attached
 <unfinished ...>
[pid  2701] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2700] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2699] <... write resumed>)        = 2
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2702] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2701] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2700] <... futex resumed>)        = 0
[pid  2699] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2702] <... set_robust_list resumed>) = 0
[pid  2701] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2700] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2699] <... futex resumed>)        = 1
[pid  2697] <... futex resumed>)        = 0
[pid  2702] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2701] <... openat resumed>)       = 3
[pid  2699] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2697] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2703 attached
 <unfinished ...>
[pid  2702] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2699] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2698] <... clone3 resumed> => {parent_tid=[2702]}, 88) = 2702
[pid  2697] <... futex resumed>)        = 0
[pid  2698] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2703] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2702] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2701] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2699] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2697] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2703] <... set_robust_list resumed>) = 0
[pid  2701] <... futex resumed>)        = 1
[pid  2700] <... futex resumed>)        = 0
[pid  2699] <... openat resumed>)       = 4
[pid  2698] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2703
[pid  2703] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2701] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2700] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2698] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2703] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2701] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2700] <... futex resumed>)        = 0
[pid  2699] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2703] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2702] <... futex resumed>)        = 0
[pid  2701] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2700] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2699] <... futex resumed>)        = 1
[pid  2698] <... futex resumed>)        = 1
[pid  2697] <... futex resumed>)        = 0
[pid  2703] <... prctl resumed>)        = 0
[pid  2702] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2701] <... write resumed>)        = 2
[pid  2699] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2697] exit_group(0 <unfinished ...>
[pid  2703] setpgid(0, 0 <unfinished ...>
[pid  2702] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2701] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2699] <... futex resumed>)        = ?
[pid  2698] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2697] <... exit_group resumed>)   = ?
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2703] <... setpgid resumed>)      = 0
[pid  2702] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2701] <... futex resumed>)        = 1
[pid  2700] <... futex resumed>)        = 0
[pid  2699] +++ exited with 0 +++
[pid  2698] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2697] +++ exited with 0 +++
[pid  2703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2702] <... futex resumed>)        = 0
[pid  2701] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2700] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2698] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2702] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2703] <... openat resumed>)       = 3
[pid  2702] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2701] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2700] <... futex resumed>)        = 0
[pid  2698] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2697, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2703] write(3, "1000", 4 <unfinished ...>
[pid  2702] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2701] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2700] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2698] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2703] <... write resumed>)        = 4
[pid  2702] <... futex resumed>)        = 0
[pid  2701] <... openat resumed>)       = 4
[pid  2698] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2702] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2698] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2702] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2698] <... futex resumed>)        = 0
[pid  2703] close(3 <unfinished ...>
[pid  2701] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2703] <... close resumed>)        = 0
[pid  2701] <... futex resumed>)        = 1
[pid  2700] <... futex resumed>)        = 0
[pid  2703] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  2701] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2700] exit_group(0 <unfinished ...>
[pid  2703] <... write resumed>)        = 18
[pid  2701] <... futex resumed>)        = ?
[pid  2700] <... exit_group resumed>)   = ?
[pid  2703] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2702] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2701] +++ exited with 0 +++
[pid  2700] +++ exited with 0 +++
[pid  2698] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2703] <... futex resumed>)        = 0
[pid  2702] <... openat resumed>)       = 3
[pid  2703] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2702] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2703] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2700, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2703] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2702] <... futex resumed>)        = 1
[pid  2698] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2703] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2702] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2698] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2703] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2702] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2703] <... mmap resumed>)         = 0x7fb4de009000
[pid  2698] <... futex resumed>)        = 0
[pid  2702] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2698] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2702] <... write resumed>)        = 2
[pid  2703] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2702] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2703] <... mprotect resumed>)     = 0
[pid  2703] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2702] <... futex resumed>)        = 1
[pid  2698] <... futex resumed>)        = 0
[pid  2702] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2698] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2702] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2698] <... futex resumed>)        = 0
[pid  2702] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2698] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2703] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2703] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2702] <... openat resumed>)       = 4
ci2-android-6-12-rust/strace-static-x86_64: Process 2704 attached
[pid  2704] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2703] <... clone3 resumed> => {parent_tid=[2704]}, 88) = 2704
[pid  2704] <... set_robust_list resumed>) = 0
[pid  2703] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2704] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2703] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2704] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2703] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2704] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2703] <... futex resumed>)        = 0
[pid  2703] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2704] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2704] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2703] <... futex resumed>)        = 0
[pid  2704] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2703] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2704] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2703] <... futex resumed>)        = 0
[pid  2704] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2703] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2704] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2704] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2703] <... futex resumed>)        = 0
[pid  2704] <... futex resumed>)        = 1
[pid  2703] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2704] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2703] <... futex resumed>)        = 0
[pid  2704] <... openat resumed>)       = 3
[pid  2703] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2704] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2703] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2704] <... futex resumed>)        = 0
[pid  2703] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2704] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2703] <... futex resumed>)        = 0
[pid  2704] <... write resumed>)        = 2
[pid  2703] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2704] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2703] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2704] <... futex resumed>)        = 0
[pid  2703] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2704] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2703] <... futex resumed>)        = 0
[pid  2704] <... openat resumed>)       = 4
[pid  2703] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2704] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2703] <... futex resumed>)        = 0
[pid  2703] exit_group(0 <unfinished ...>
[pid  2704] <... futex resumed>)        = 1
[pid  2704] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid  2703] <... exit_group resumed>)   = ?
[pid  2704] +++ exited with 0 +++
[pid  2703] +++ exited with 0 +++
[pid  2702] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  2702] <... futex resumed>)        = 1
[pid  2698] <... futex resumed>)        = 0
[pid  2702] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2698] exit_group(0 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2703, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2702] <... futex resumed>)        = ?
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2698] <... exit_group resumed>)   = ?
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2705 attached
 <unfinished ...>
[pid  2702] +++ exited with 0 +++
[pid  2698] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2698, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2705
ci2-android-6-12-rust/strace-static-x86_64: Process 2706 attached
[pid  2706] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2705] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2706] <... set_robust_list resumed>) = 0
[pid  2705] <... set_robust_list resumed>) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2706
[pid  2705] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2706] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2705] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2706] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2705] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2706] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2705] <... prctl resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2706] <... prctl resumed>)        = 0
[pid  2705] setpgid(0, 0 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2705] <... setpgid resumed>)      = 0
[pid  2706] setpgid(0, 0)               = 0
[pid  2706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2706] write(3, "1000", 4)         = 4
[pid  2706] close(3)                    = 0
[pid  2706] write(1, "executing program\n", 18) = 18
ci2-android-6-12-rust/strace-static-x86_64: Process 2707 attached
[pid  2706] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2707] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2706] <... futex resumed>)        = 0
[pid  2707] <... set_robust_list resumed>) = 0
[pid  2706] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
executing program
[pid  2707] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2706] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2705] <... openat resumed>)       = 3
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2707
[pid  2705] write(3, "1000", 4 <unfinished ...>
[pid  2707] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2706] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2705] <... write resumed>)        = 4
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2707] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2706] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2705] close(3 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2705] <... close resumed>)        = 0
[pid  2707] <... prctl resumed>)        = 0
[pid  2706] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2707] setpgid(0, 0 <unfinished ...>
[pid  2706] <... mmap resumed>)         = 0x7fb4de009000
[pid  2705] write(1, "executing program\n", 18 <unfinished ...>
[pid  2707] <... setpgid resumed>)      = 0
executing program
[pid  2706] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2706] <... mprotect resumed>)     = 0
[pid  2705] <... write resumed>)        = 18
[pid  2705] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2707] <... openat resumed>)       = 3
[pid  2706] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2705] <... futex resumed>)        = 0
[pid  2705] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2707] write(3, "1000", 4 <unfinished ...>
[pid  2706] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2707] <... write resumed>)        = 4
[pid  2706] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2708 attached
 <unfinished ...>
[pid  2707] close(3 <unfinished ...>
[pid  2705] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2707] <... close resumed>)        = 0
[pid  2707] write(1, "executing program\n", 18 <unfinished ...>
[pid  2706] <... clone3 resumed> => {parent_tid=[2708]}, 88) = 2708
[pid  2707] <... write resumed>)        = 18
executing program
[pid  2708] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2705] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2708] <... set_robust_list resumed>) = 0
[pid  2707] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2706] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2705] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2708] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2707] <... futex resumed>)        = 0
[pid  2706] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2705] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2708] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2707] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2706] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2707] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2706] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2708] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2707] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2706] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2705] <... mmap resumed>)         = 0x7fb4de009000
[pid  2708] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2705] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2708] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2707] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2706] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2705] <... mprotect resumed>)     = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2708] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2706] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2707] <... mmap resumed>)         = 0x7fb4de009000
[pid  2706] <... futex resumed>)        = 0
[pid  2707] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2706] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2709 attached
 <unfinished ...>
[pid  2707] <... mprotect resumed>)     = 0
[pid  2709] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2707] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2709] <... set_robust_list resumed>) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2709
[pid  2709] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2707] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2707] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2710 attached
 <unfinished ...>
[pid  2709] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2708] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2709] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2705] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2708] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2710] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2705] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2709] <... prctl resumed>)        = 0
[pid  2708] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2707] <... clone3 resumed> => {parent_tid=[2710]}, 88) = 2710
[pid  2705] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2710] <... set_robust_list resumed>) = 0
[pid  2709] setpgid(0, 0 <unfinished ...>
[pid  2708] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2707] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2709] <... setpgid resumed>)      = 0
[pid  2707] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2711 attached
[pid  2710] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2708] <... futex resumed>)        = 1
[pid  2707] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2706] <... futex resumed>)        = 0
[pid  2711] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2710] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  2709] <... openat resumed>)       = 3
[pid  2708] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2707] <... futex resumed>)        = 0
[pid  2706] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2711] <... set_robust_list resumed>) = 0
[pid  2710] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2709] write(3, "1000", 4 <unfinished ...>
[pid  2708] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2706] <... futex resumed>)        = 0
[pid  2705] <... clone3 resumed> => {parent_tid=[2711]}, 88) = 2711
[pid  2711] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2710] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2709] <... write resumed>)        = 4
[pid  2708] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2705] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2711] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2710] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2709] close(3 <unfinished ...>
[pid  2708] <... openat resumed>)       = 3
[pid  2711] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2710] <... futex resumed>)        = 0
[pid  2709] <... close resumed>)        = 0
[pid  2708] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2705] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2710] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2709] write(1, "executing program\n", 18 <unfinished ...>
[pid  2708] <... futex resumed>)        = 0
[pid  2705] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2709] <... write resumed>)        = 18
[pid  2708] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2711] <... futex resumed>)        = 0
[pid  2705] <... futex resumed>)        = 1
[pid  2709] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2711] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2709] <... futex resumed>)        = 0
[pid  2707] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2706] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2705] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2707] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2706] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2707] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2706] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2710] <... futex resumed>)        = 0
[pid  2708] <... futex resumed>)        = 0
[pid  2707] <... futex resumed>)        = 1
[pid  2706] <... futex resumed>)        = 1
[pid  2710] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2708] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2707] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2706] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2711] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2710] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2709] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2708] <... write resumed>)        = 2
[pid  2711] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2710] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2709] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2708] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2711] <... futex resumed>)        = 1
[pid  2710] <... futex resumed>)        = 1
[pid  2709] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2708] <... futex resumed>)        = 1
[pid  2707] <... futex resumed>)        = 0
[pid  2706] <... futex resumed>)        = 0
[pid  2705] <... futex resumed>)        = 0
[pid  2711] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2710] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2709] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2708] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2707] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2706] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2705] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2711] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2710] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2708] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2707] <... futex resumed>)        = 0
[pid  2706] <... futex resumed>)        = 0
[pid  2705] <... futex resumed>)        = 0
[pid  2711] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2710] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2709] <... mmap resumed>)         = 0x7fb4de009000
[pid  2708] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2707] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2706] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2705] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2711] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2710] <... openat resumed>)       = 3
[pid  2709] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2708] <... openat resumed>)       = 4
[pid  2710] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2708] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2709] <... mprotect resumed>)     = 0
[pid  2711] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2710] <... futex resumed>)        = 1
[pid  2708] <... futex resumed>)        = 1
[pid  2707] <... futex resumed>)        = 0
[pid  2706] <... futex resumed>)        = 0
[pid  2711] <... futex resumed>)        = 1
[pid  2710] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2709] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2708] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2707] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2706] exit_group(0 <unfinished ...>
[pid  2705] <... futex resumed>)        = 0
[pid  2711] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2710] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2709] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2708] <... futex resumed>)        = ?
[pid  2707] <... futex resumed>)        = 0
[pid  2706] <... exit_group resumed>)   = ?
[pid  2705] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2711] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2710] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2709] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2708] +++ exited with 0 +++
[pid  2707] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2706] +++ exited with 0 +++
[pid  2705] <... futex resumed>)        = 0
[pid  2711] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2710] <... write resumed>)        = 2
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2706, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2711] <... openat resumed>)       = 3
[pid  2705] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2711] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2709] <... clone3 resumed> => {parent_tid=[2712]}, 88) = 2712
[pid  2705] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2711] <... futex resumed>)        = 0
[pid  2709] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2705] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2711] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2709] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2705] <... futex resumed>)        = 0
[pid  2711] <... write resumed>)        = 2
ci2-android-6-12-rust/strace-static-x86_64: Process 2712 attached
[pid  2710] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2712] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2711] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2710] <... futex resumed>)        = 1
[pid  2709] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2707] <... futex resumed>)        = 0
[pid  2705] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2712] <... set_robust_list resumed>) = 0
[pid  2711] <... futex resumed>)        = 0
[pid  2710] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2707] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2705] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2709] <... futex resumed>)        = 0
[pid  2712] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2711] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2710] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2707] <... futex resumed>)        = 0
[pid  2705] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2712] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2710] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2709] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2707] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2712] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2711] <... openat resumed>)       = 4
[pid  2710] <... openat resumed>)       = 4
[pid  2705] <... futex resumed>)        = 0
[pid  2712] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2710] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2705] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2712] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2711] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2710] <... futex resumed>)        = 1
[pid  2707] <... futex resumed>)        = 0
[pid  2705] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2712] <... futex resumed>)        = 1
[pid  2711] <... futex resumed>)        = 0
[pid  2710] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2709] <... futex resumed>)        = 0
[pid  2707] exit_group(0 <unfinished ...>
[pid  2712] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2711] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2710] <... futex resumed>)        = ?
[pid  2709] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2707] <... exit_group resumed>)   = ?
[pid  2705] exit_group(0 <unfinished ...>
[pid  2712] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2710] +++ exited with 0 +++
[pid  2709] <... futex resumed>)        = 0
[pid  2707] +++ exited with 0 +++
[pid  2711] <... futex resumed>)        = ?
[pid  2705] <... exit_group resumed>)   = ?
[pid  2712] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2709] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2712] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2707, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2712] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2712] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2711] +++ exited with 0 +++
[pid  2709] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2705] +++ exited with 0 +++
[pid  2709] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2712] <... futex resumed>)        = 0
[pid  2709] <... futex resumed>)        = 1
[pid  2712] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2709] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2705, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2712] <... openat resumed>)       = 3
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2712] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2712] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2709] <... futex resumed>)        = 0
[pid  2712] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2709] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2712] write(3, "\x38\x00", 2)     = 2
[pid  2709] <... futex resumed>)        = 0
[pid  2712] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2709] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2712] <... futex resumed>)        = 0
[pid  2712] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2709] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2709] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2712] <... futex resumed>)        = 0
[pid  2709] <... futex resumed>)        = 1
[pid  2712] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2709] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2712] <... openat resumed>)       = 4
[pid  2712] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2709] <... futex resumed>)        = 0
[pid  2712] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2709] exit_group(0 <unfinished ...>
[pid  2712] <... futex resumed>)        = ?
[pid  2709] <... exit_group resumed>)   = ?
[pid  2712] +++ exited with 0 +++
[pid  2709] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2709, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2713 attached
 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2713
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2713] set_robust_list(0x55557716c6a0, 24) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2713] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2714 attached
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2714
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2713] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2714] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2713] <... prctl resumed>)        = 0
[pid  2714] <... set_robust_list resumed>) = 0
[pid  2713] setpgid(0, 0)               = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2714] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2714] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2714] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2713] <... openat resumed>)       = 3
[pid  2714] <... prctl resumed>)        = 0
[pid  2714] setpgid(0, 0 <unfinished ...>
[pid  2713] write(3, "1000", 4 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2714] <... setpgid resumed>)      = 0
[pid  2713] <... write resumed>)        = 4
[pid  2714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2713] close(3 <unfinished ...>
[pid  2714] <... openat resumed>)       = 3
[pid  2713] <... close resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2713] write(1, "executing program\n", 18 <unfinished ...>
[pid  2714] write(3, "1000", 4 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2714] <... write resumed>)        = 4
[pid  2713] <... write resumed>)        = 18
[pid  2714] close(3 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2713] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2714] <... close resumed>)        = 0
[pid  2713] <... futex resumed>)        = 0
executing program
[pid  2713] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}ci2-android-6-12-rust/strace-static-x86_64: Process 2715 attached
 <unfinished ...>
[pid  2714] write(1, "executing program\n", 18 <unfinished ...>
[pid  2713] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2714] <... write resumed>)        = 18
[pid  2715] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2715
[pid  2715] <... set_robust_list resumed>) = 0
executing program
[pid  2714] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2715] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2714] <... futex resumed>)        = 0
[pid  2713] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2713] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2713] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2713] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2713] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2713] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2714] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2715] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2714] <... rt_sigaction resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2716 attached
[pid  2713] <... clone3 resumed> => {parent_tid=[2716]}, 88) = 2716
[pid  2716] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2715] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2714] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2713] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2716] <... set_robust_list resumed>) = 0
[pid  2715] <... prctl resumed>)        = 0
[pid  2714] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2713] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2716] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2713] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2716] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2714] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2713] <... futex resumed>)        = 0
[pid  2716] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2715] setpgid(0, 0 <unfinished ...>
[pid  2714] <... mmap resumed>)         = 0x7fb4de009000
[pid  2713] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2716] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2715] <... setpgid resumed>)      = 0
[pid  2714] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2716] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2713] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  2716] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2714] <... mprotect resumed>)     = 0
[pid  2713] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2716] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2714] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2713] <... futex resumed>)        = 0
[pid  2716] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2714] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2713] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2716] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2715] <... openat resumed>)       = 3
[pid  2714] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2716] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2715] write(3, "1000", 4 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2715] <... write resumed>)        = 4
ci2-android-6-12-rust/strace-static-x86_64: Process 2717 attached
[pid  2716] <... futex resumed>)        = 1
[pid  2713] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2717] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2716] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2715] close(3 <unfinished ...>
[pid  2714] <... clone3 resumed> => {parent_tid=[2717]}, 88) = 2717
[pid  2713] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2718 attached
 <unfinished ...>
[pid  2717] <... set_robust_list resumed>) = 0
[pid  2716] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2715] <... close resumed>)        = 0
[pid  2714] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2713] <... futex resumed>)        = 0
[pid  2714] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2718] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2715] write(1, "executing program\n", 18 <unfinished ...>
[pid  2714] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2718] <... set_robust_list resumed>) = 0
[pid  2717] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
executing program
[pid  2716] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2713] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2718] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2717] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2716] <... openat resumed>)       = 3
[pid  2715] <... write resumed>)        = 18
[pid  2714] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2718
[pid  2718] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2717] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2716] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2718] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2717] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2716] <... futex resumed>)        = 1
[pid  2715] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2714] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2713] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2718] <... prctl resumed>)        = 0
[pid  2717] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2716] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2715] <... futex resumed>)        = 0
[pid  2714] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2713] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2718] setpgid(0, 0 <unfinished ...>
[pid  2717] <... futex resumed>)        = 0
[pid  2716] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2715] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2714] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2713] <... futex resumed>)        = 0
[pid  2718] <... setpgid resumed>)      = 0
[pid  2717] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2716] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2715] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2714] <... futex resumed>)        = 0
[pid  2713] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2717] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2716] <... write resumed>)        = 2
[pid  2715] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2714] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2717] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2716] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2717] <... futex resumed>)        = 1
[pid  2716] <... futex resumed>)        = 1
[pid  2713] <... futex resumed>)        = 0
[pid  2717] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2716] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2713] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2718] <... openat resumed>)       = 3
[pid  2716] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2715] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2714] <... futex resumed>)        = 0
[pid  2713] <... futex resumed>)        = 0
[pid  2716] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2713] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2718] write(3, "1000", 4 <unfinished ...>
[pid  2716] <... openat resumed>)       = 4
[pid  2715] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2714] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2718] <... write resumed>)        = 4
[pid  2714] <... futex resumed>)        = 1
[pid  2718] close(3 <unfinished ...>
[pid  2715] <... mmap resumed>)         = 0x7fb4de009000
[pid  2714] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2717] <... futex resumed>)        = 0
[pid  2716] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2717] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2716] <... futex resumed>)        = 1
[pid  2713] <... futex resumed>)        = 0
[pid  2718] <... close resumed>)        = 0
[pid  2717] <... openat resumed>)       = 3
[pid  2716] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2715] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2713] exit_group(0 <unfinished ...>
[pid  2718] write(1, "executing program\n", 18 <unfinished ...>
[pid  2717] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2718] <... write resumed>)        = 18
[pid  2715] <... mprotect resumed>)     = 0
executing program
[pid  2717] <... futex resumed>)        = 1
[pid  2716] <... futex resumed>)        = ?
[pid  2715] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2714] <... futex resumed>)        = 0
[pid  2718] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2713] <... exit_group resumed>)   = ?
[pid  2718] <... futex resumed>)        = 0
[pid  2717] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2716] +++ exited with 0 +++
[pid  2715] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2714] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2713] +++ exited with 0 +++
[pid  2718] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2717] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2715] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2714] <... futex resumed>)        = 0
[pid  2718] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2717] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2714] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2717] <... write resumed>)        = 2
[pid  2718] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2717] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2713, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2717] <... futex resumed>)        = 1
[pid  2714] <... futex resumed>)        = 0
[pid  2717] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2714] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2717] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2714] <... futex resumed>)        = 0
[pid  2717] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2714] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2718] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2717] <... openat resumed>)       = 4
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 2719 attached
 <unfinished ...>
[pid  2717] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2719] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2718] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2717] <... futex resumed>)        = 1
[pid  2715] <... clone3 resumed> => {parent_tid=[2719]}, 88) = 2719
[pid  2714] <... futex resumed>)        = 0
[pid  2719] <... set_robust_list resumed>) = 0
[pid  2718] <... mmap resumed>)         = 0x7fb4de009000
[pid  2717] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2715] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2714] exit_group(0 <unfinished ...>
[pid  2719] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2718] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2717] <... futex resumed>)        = ?
[pid  2715] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2714] <... exit_group resumed>)   = ?
[pid  2719] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2718] <... mprotect resumed>)     = 0
[pid  2717] +++ exited with 0 +++
[pid  2715] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2714] +++ exited with 0 +++
[pid  2719] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2718] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2715] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2714, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2715] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2719] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2719] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2718] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2719] <... futex resumed>)        = 1
[pid  2718] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2715] <... futex resumed>)        = 0
[pid  2719] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2715] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2719] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2715] <... futex resumed>)        = 0
[pid  2719] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  2719] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2719] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 2720 attached
 <unfinished ...>
[pid  2720] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2718] <... clone3 resumed> => {parent_tid=[2720]}, 88) = 2720
[pid  2720] <... set_robust_list resumed>) = 0
[pid  2718] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2720] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2718] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2720] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2718] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2720] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2718] <... futex resumed>)        = 0
[pid  2720] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2718] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2720] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2718] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2720] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2718] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2720] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2720] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2718] <... futex resumed>)        = 0
[pid  2720] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2718] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2715] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  2720] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2715] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2718] <... futex resumed>)        = 0
[pid  2715] <... futex resumed>)        = 1
[pid  2720] <... futex resumed>)        = 1
[pid  2719] <... futex resumed>)        = 0
[pid  2718] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2715] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2720] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2719] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2718] <... futex resumed>)        = 0
[pid  2720] <... openat resumed>)       = 3
[pid  2719] <... openat resumed>)       = 3
[pid  2718] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2720] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2719] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2718] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2720] <... futex resumed>)        = 0
[pid  2719] <... futex resumed>)        = 1
[pid  2718] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2715] <... futex resumed>)        = 0
[pid  2720] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2719] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2718] <... futex resumed>)        = 0
[pid  2720] <... write resumed>)        = 2
[pid  2718] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2715] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2720] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2719] <... futex resumed>)        = 0
[pid  2718] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2715] <... futex resumed>)        = 1
[pid  2720] <... futex resumed>)        = 0
[pid  2719] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2718] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2720] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2719] <... write resumed>)        = 2
[pid  2718] <... futex resumed>)        = 0
[pid  2715] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2720] <... openat resumed>)       = 4
[pid  2719] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2718] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2720] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2719] <... futex resumed>)        = 0
[pid  2715] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2720] <... futex resumed>)        = 1
[pid  2719] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2718] <... futex resumed>)        = 0
[pid  2715] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2720] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2719] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2718] exit_group(0 <unfinished ...>
[pid  2715] <... futex resumed>)        = 0
[pid  2720] <... futex resumed>)        = ?
[pid  2719] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2718] <... exit_group resumed>)   = ?
[pid  2715] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2720] +++ exited with 0 +++
[pid  2719] <... openat resumed>)       = 4
[pid  2718] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2718, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2719] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2719] <... futex resumed>)        = 1
[pid  2719] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2715] <... futex resumed>)        = 0
[pid  2715] exit_group(0 <unfinished ...>
[pid  2719] <... futex resumed>)        = ?
[pid  2719] +++ exited with 0 +++
[pid  2715] <... exit_group resumed>)   = ?
[pid  2715] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2715, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2721 attached
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2721
[pid  2721] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2721] <... set_robust_list resumed>) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2721] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2721] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2721] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-6-12-rust/strace-static-x86_64: Process 2722 attached
) = 0
[pid  2722] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2722
[pid  2722] <... set_robust_list resumed>) = 0
[pid  2722] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2721] setpgid(0, 0 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2722] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2721] <... setpgid resumed>)      = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2722] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2722] <... prctl resumed>)        = 0
[pid  2721] <... openat resumed>)       = 3
[pid  2722] setpgid(0, 0 <unfinished ...>
[pid  2721] write(3, "1000", 4)         = 4
[pid  2721] close(3)                    = 0
executing program
[pid  2721] write(1, "executing program\n", 18) = 18
[pid  2721] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2721] <... futex resumed>)        = 0
[pid  2722] <... setpgid resumed>)      = 0
[pid  2721] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2721] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2721] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2722] <... openat resumed>)       = 3
[pid  2721] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2722] write(3, "1000", 4 <unfinished ...>
[pid  2721] <... mmap resumed>)         = 0x7fb4de009000
ci2-android-6-12-rust/strace-static-x86_64: Process 2723 attached
[pid  2722] <... write resumed>)        = 4
[pid  2722] close(3 <unfinished ...>
[pid  2721] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2723] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2722] <... close resumed>)        = 0
[pid  2721] <... mprotect resumed>)     = 0
[pid  2721] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2723
[pid  2721] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2721] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2722] write(1, "executing program\n", 18 <unfinished ...>
[pid  2723] <... set_robust_list resumed>) = 0
[pid  2722] <... write resumed>)        = 18
[pid  2723] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2722] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  2721] <... clone3 resumed> => {parent_tid=[2724]}, 88) = 2724
[pid  2721] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2721] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2721] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2724 attached
 <unfinished ...>
[pid  2723] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2722] <... futex resumed>)        = 0
[pid  2724] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2723] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2722] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2724] <... set_robust_list resumed>) = 0
[pid  2723] <... prctl resumed>)        = 0
[pid  2724] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2723] setpgid(0, 0 <unfinished ...>
[pid  2722] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2724] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2723] <... setpgid resumed>)      = 0
[pid  2722] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2722] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2724] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2722] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2724] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2722] <... mmap resumed>)         = 0x7fb4de009000
[pid  2723] <... openat resumed>)       = 3
[pid  2722] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2724] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2723] write(3, "1000", 4 <unfinished ...>
[pid  2722] <... mprotect resumed>)     = 0
[pid  2724] <... futex resumed>)        = 1
[pid  2723] <... write resumed>)        = 4
[pid  2721] <... futex resumed>)        = 0
[pid  2722] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2721] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2724] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2723] close(3 <unfinished ...>
[pid  2722] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2721] <... futex resumed>)        = 0
[pid  2724] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2723] <... close resumed>)        = 0
[pid  2722] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2721] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2723] write(1, "executing program\n", 18 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2725 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2726 attached
 <unfinished ...>
executing program
[pid  2724] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2723] <... write resumed>)        = 18
[pid  2724] <... futex resumed>)        = 1
[pid  2721] <... futex resumed>)        = 0
[pid  2723] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2725] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2726] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2723] <... futex resumed>)        = 0
[pid  2726] <... set_robust_list resumed>) = 0
[pid  2724] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2723] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2721] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2722] <... clone3 resumed> => {parent_tid=[2725]}, 88) = 2725
[pid  2724] <... openat resumed>)       = 3
[pid  2723] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2721] <... futex resumed>)        = 0
[pid  2725] <... set_robust_list resumed>) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2726
[pid  2726] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2725] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2725] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2725] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2722] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2722] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2725] <... futex resumed>)        = 0
[pid  2725] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2722] <... futex resumed>)        = 1
[pid  2726] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2725] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2724] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2723] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2722] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2721] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2725] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2726] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2722] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2725] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2724] <... futex resumed>)        = 0
[pid  2723] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2722] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2721] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2726] <... prctl resumed>)        = 0
[pid  2725] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2724] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2722] <... futex resumed>)        = 0
[pid  2721] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2725] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2724] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2722] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2726] setpgid(0, 0 <unfinished ...>
[pid  2725] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2724] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2723] <... mmap resumed>)         = 0x7fb4de009000
[pid  2721] <... futex resumed>)        = 0
[pid  2725] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2723] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2724] <... write resumed>)        = 2
[pid  2726] <... setpgid resumed>)      = 0
[pid  2725] <... futex resumed>)        = 1
[pid  2722] <... futex resumed>)        = 0
[pid  2721] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2725] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2723] <... mprotect resumed>)     = 0
[pid  2722] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2725] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2724] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2722] <... futex resumed>)        = 0
[pid  2725] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2724] <... futex resumed>)        = 1
[pid  2722] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2721] <... futex resumed>)        = 0
[pid  2725] <... openat resumed>)       = 3
[pid  2724] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2721] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2724] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2721] <... futex resumed>)        = 0
[pid  2724] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2721] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2725] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2724] <... openat resumed>)       = 4
[pid  2722] <... futex resumed>)        = 0
[pid  2725] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2722] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2726] <... openat resumed>)       = 3
[pid  2725] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2722] <... futex resumed>)        = 0
[pid  2726] write(3, "1000", 4 <unfinished ...>
[pid  2725] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2723] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2722] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2725] <... write resumed>)        = 2
[pid  2725] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2722] <... futex resumed>)        = 0
[pid  2725] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2722] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2725] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2722] <... futex resumed>)        = 0
[pid  2725] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2722] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2725] <... openat resumed>)       = 4
[pid  2725] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2722] <... futex resumed>)        = 0
[pid  2722] exit_group(0)               = ?
[pid  2725] <... futex resumed>)        = ?
[pid  2726] <... write resumed>)        = 4
[pid  2724] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2723] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2726] close(3 <unfinished ...>
[pid  2724] <... futex resumed>)        = 1
[pid  2721] <... futex resumed>)        = 0
[pid  2726] <... close resumed>)        = 0
[pid  2725] +++ exited with 0 +++
[pid  2724] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2723] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2722] +++ exited with 0 +++
[pid  2721] exit_group(0 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2722, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 2727 attached
[pid  2724] <... futex resumed>)        = ?
[pid  2726] write(1, "executing program\n", 18 <unfinished ...>
[pid  2721] <... exit_group resumed>)   = ?
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2726] <... write resumed>)        = 18
[pid  2724] +++ exited with 0 +++
[pid  2723] <... clone3 resumed> => {parent_tid=[2727]}, 88) = 2727
[pid  2727] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2727] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
executing program
[pid  2727] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2721] +++ exited with 0 +++
[pid  2726] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2723] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2721, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2726] <... futex resumed>)        = 0
[pid  2723] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2726] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2723] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2726] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2726] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2727] <... futex resumed>)        = 0
[pid  2726] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2723] <... futex resumed>)        = 1
[pid  2727] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2723] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2727] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2726] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2727] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2726] <... mmap resumed>)         = 0x7fb4de009000
[pid  2727] <... futex resumed>)        = 1
[pid  2726] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2723] <... futex resumed>)        = 0
[pid  2727] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2726] <... mprotect resumed>)     = 0
[pid  2723] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2727] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2723] <... futex resumed>)        = 0
[pid  2727] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2726] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2723] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2727] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2726] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2726] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2727] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2727] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2726] <... clone3 resumed> => {parent_tid=[2728]}, 88) = 2728
[pid  2726] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2726] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2726] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2728 attached
 <unfinished ...>
[pid  2723] <... futex resumed>)        = 0
[pid  2728] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2723] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2728] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2727] <... futex resumed>)        = 0
[pid  2723] <... futex resumed>)        = 1
[pid  2728] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2727] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2723] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2728] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2727] <... openat resumed>)       = 3
[pid  2728] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2727] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2728] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2727] <... futex resumed>)        = 1
[pid  2723] <... futex resumed>)        = 0
[pid  2728] <... futex resumed>)        = 1
[pid  2726] <... futex resumed>)        = 0
[pid  2728] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2727] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2726] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2723] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2728] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2727] <... write resumed>)        = 2
[pid  2726] <... futex resumed>)        = 0
[pid  2723] <... futex resumed>)        = 0
[pid  2728] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2726] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2728] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2727] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2723] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2728] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2726] <... futex resumed>)        = 0
[pid  2727] <... futex resumed>)        = 0
[pid  2723] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2727] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2723] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2728] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2726] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2728] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2727] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2726] <... futex resumed>)        = 0
[pid  2723] <... futex resumed>)        = 0
[pid  2728] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2726] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2728] <... openat resumed>)       = 3
[pid  2727] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2723] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2728] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2726] <... futex resumed>)        = 0
[pid  2726] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2728] <... futex resumed>)        = 1
[pid  2726] <... futex resumed>)        = 0
[pid  2728] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2727] <... openat resumed>)       = 4
[pid  2726] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2728] <... write resumed>)        = 2
[pid  2727] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2728] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2727] <... futex resumed>)        = 1
[pid  2723] <... futex resumed>)        = 0
[pid  2728] <... futex resumed>)        = 1
[pid  2726] <... futex resumed>)        = 0
[pid  2728] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2726] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2728] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2726] <... futex resumed>)        = 0
[pid  2723] exit_group(0 <unfinished ...>
[pid  2727] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2728] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2726] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2727] <... futex resumed>)        = ?
[pid  2723] <... exit_group resumed>)   = ?
[pid  2728] <... openat resumed>)       = 4
[pid  2728] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2726] <... futex resumed>)        = 0
[pid  2727] +++ exited with 0 +++
[pid  2726] exit_group(0 <unfinished ...>
[pid  2728] <... futex resumed>)        = ?
[pid  2726] <... exit_group resumed>)   = ?
[pid  2728] +++ exited with 0 +++
[pid  2726] +++ exited with 0 +++
[pid  2723] +++ exited with 0 +++
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2726, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2723, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2729
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2729 attached
[pid  2729] set_robust_list(0x55557716c6a0, 24) = 0
[pid  2729] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2730 attached
, NULL, 8) = 0
[pid  2730] set_robust_list(0x55557716c6a0, 24) = 0
[pid  2729] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2730
[pid   312] <... restart_syscall resumed>) = 0
[pid  2730] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2729] <... prctl resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2730] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2729] setpgid(0, 0 <unfinished ...>
[pid  2730] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2729] <... setpgid resumed>)      = 0
[pid  2729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2730] <... prctl resumed>)        = 0
[pid  2729] <... openat resumed>)       = 3
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2730] setpgid(0, 0)               = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2729] write(3, "1000", 4ci2-android-6-12-rust/strace-static-x86_64: Process 2731 attached
)         = 4
[pid  2731] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2730] <... openat resumed>)       = 3
[pid  2730] write(3, "1000", 4 <unfinished ...>
[pid  2729] close(3 <unfinished ...>
[pid  2731] <... set_robust_list resumed>) = 0
[pid  2730] <... write resumed>)        = 4
[pid  2729] <... close resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2731
[pid  2731] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2730] close(3 <unfinished ...>
executing program
[pid  2729] write(1, "executing program\n", 18 <unfinished ...>
[pid  2731] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2730] <... close resumed>)        = 0
[pid  2729] <... write resumed>)        = 18
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2730] write(1, "executing program\n", 18 <unfinished ...>
[pid  2729] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2730] <... write resumed>)        = 18
[pid  2729] <... futex resumed>)        = 0
[pid  2730] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  2729] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2730] <... futex resumed>)        = 0
[pid  2729] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2730] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2729] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2730] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2729] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2730] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2729] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2730] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2729] <... mmap resumed>)         = 0x7fb4de009000
[pid  2730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2731] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2730] <... mmap resumed>)         = 0x7fb4de009000
[pid  2729] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2731] setpgid(0, 0 <unfinished ...>
[pid  2730] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2729] <... mprotect resumed>)     = 0
[pid  2731] <... setpgid resumed>)      = 0
[pid  2731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2730] <... mprotect resumed>)     = 0
[pid  2729] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2731] <... openat resumed>)       = 3
[pid  2730] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2729] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2731] write(3, "1000", 4 <unfinished ...>
[pid  2730] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2729] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2731] <... write resumed>)        = 4
[pid  2730] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2732 attached
 <unfinished ...>
[pid  2731] close(3 <unfinished ...>
[pid  2729] <... clone3 resumed> => {parent_tid=[2732]}, 88) = 2732
[pid  2729] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2730] <... clone3 resumed> => {parent_tid=[2733]}, 88) = 2733
[pid  2729] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2730] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2729] <... futex resumed>)        = 0
[pid  2730] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2729] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2730] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2730] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2733 attached
 <unfinished ...>
[pid  2733] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2733] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2733] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2731] <... close resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  2732] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2731] write(1, "executing program\n", 18 <unfinished ...>
[pid  2732] <... set_robust_list resumed>) = 0
[pid  2731] <... write resumed>)        = 18
[pid  2733] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2732] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2733] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  2731] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2733] <... futex resumed>)        = 1
[pid  2732] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2731] <... futex resumed>)        = 0
[pid  2730] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2733] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2731] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2730] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2732] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2733] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2731] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2730] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2733] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2732] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2731] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2730] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2733] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2732] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2731] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2733] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2730] <... futex resumed>)        = 0
[pid  2733] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2730] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2733] <... openat resumed>)       = 3
[pid  2730] <... futex resumed>)        = 0
[pid  2732] <... futex resumed>)        = 1
[pid  2731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2732] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 2734 attached
 <unfinished ...>
[pid  2733] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2731] <... mmap resumed>)         = 0x7fb4de009000
[pid  2730] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2729] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2734
[pid  2734] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2733] <... futex resumed>)        = 0
[pid  2731] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2730] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2729] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2734] <... set_robust_list resumed>) = 0
[pid  2733] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2732] <... futex resumed>)        = 0
[pid  2731] <... mprotect resumed>)     = 0
[pid  2730] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2729] <... futex resumed>)        = 1
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2734] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2733] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2732] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2730] <... futex resumed>)        = 0
[pid  2729] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2734] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2733] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2732] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2731] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2730] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2734] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2733] <... write resumed>)        = 2
[pid  2732] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2731] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2732] <... futex resumed>)        = 1
[pid  2731] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2732] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2734] <... prctl resumed>)        = 0
[pid  2733] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2729] <... futex resumed>)        = 0
[pid  2734] setpgid(0, 0 <unfinished ...>
[pid  2733] <... futex resumed>)        = 1
[pid  2730] <... futex resumed>)        = 0
[pid  2729] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2735 attached
 <unfinished ...>
[pid  2734] <... setpgid resumed>)      = 0
[pid  2733] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2732] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2730] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2729] <... futex resumed>)        = 0
[pid  2735] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2733] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2730] <... futex resumed>)        = 0
[pid  2729] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2735] <... set_robust_list resumed>) = 0
[pid  2734] <... openat resumed>)       = 3
[pid  2733] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2732] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2731] <... clone3 resumed> => {parent_tid=[2735]}, 88) = 2735
[pid  2730] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2735] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2732] <... openat resumed>)       = 3
[pid  2731] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2732] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2731] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2734] write(3, "1000", 4 <unfinished ...>
[pid  2732] <... futex resumed>)        = 1
[pid  2731] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2734] <... write resumed>)        = 4
[pid  2732] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2731] <... futex resumed>)        = 0
[pid  2734] close(3 <unfinished ...>
[pid  2731] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2734] <... close resumed>)        = 0
[pid  2735] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2734] write(1, "executing program\n", 18 <unfinished ...>
[pid  2733] <... openat resumed>)       = 4
[pid  2729] <... futex resumed>)        = 0
executing program
[pid  2735] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2733] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2729] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2735] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2734] <... write resumed>)        = 18
[pid  2733] <... futex resumed>)        = 1
[pid  2732] <... futex resumed>)        = 0
[pid  2730] <... futex resumed>)        = 0
[pid  2729] <... futex resumed>)        = 1
[pid  2735] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2734] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2733] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2732] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2730] exit_group(0 <unfinished ...>
[pid  2729] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2735] <... futex resumed>)        = 1
[pid  2734] <... futex resumed>)        = 0
[pid  2733] <... futex resumed>)        = ?
[pid  2732] <... write resumed>)        = 2
[pid  2731] <... futex resumed>)        = 0
[pid  2730] <... exit_group resumed>)   = ?
[pid  2735] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2734] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2733] +++ exited with 0 +++
[pid  2732] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2731] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2730] +++ exited with 0 +++
[pid  2735] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2734] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2732] <... futex resumed>)        = 1
[pid  2731] <... futex resumed>)        = 0
[pid  2729] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2730, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2735] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2734] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2732] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2731] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2729] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2735] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2734] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2732] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2729] <... futex resumed>)        = 0
[pid  2735] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2734] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2732] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2729] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2735] <... futex resumed>)        = 1
[pid  2731] <... futex resumed>)        = 0
[pid  2735] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2732] <... openat resumed>)       = 4
[pid  2731] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2732] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2735] <... futex resumed>)        = 0
[pid  2731] <... futex resumed>)        = 1
[pid  2735] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2732] <... futex resumed>)        = 1
[pid  2729] <... futex resumed>)        = 0
[pid  2735] <... openat resumed>)       = 3
[pid  2734] <... mmap resumed>)         = 0x7fb4de009000
[pid  2732] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2731] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2729] exit_group(0 <unfinished ...>
[pid  2735] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2729] <... exit_group resumed>)   = ?
[pid  2735] <... futex resumed>)        = 0
[pid  2732] <... futex resumed>)        = ?
[pid  2731] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2735] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2734] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2734] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2734] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2736 attached
 <unfinished ...>
[pid  2736] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2734] <... clone3 resumed> => {parent_tid=[2736]}, 88) = 2736
[pid  2732] +++ exited with 0 +++
[pid  2731] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2729] +++ exited with 0 +++
[pid  2736] <... set_robust_list resumed>) = 0
[pid  2734] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2736] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2735] <... futex resumed>)        = 0
[pid  2734] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2731] <... futex resumed>)        = 1
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2729, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2736] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2735] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2734] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2731] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2736] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2735] <... write resumed>)        = 2
[pid  2734] <... futex resumed>)        = 0
[pid  2736] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2735] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2734] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2736] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2735] <... futex resumed>)        = 1
[pid  2731] <... futex resumed>)        = 0
[pid  2736] <... futex resumed>)        = 0
[pid  2735] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2734] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2731] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2736] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2735] <... openat resumed>)       = 4
[pid  2734] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2736] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2734] <... futex resumed>)        = 0
[pid  2734] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2736] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  2735] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2731] <... futex resumed>)        = 0
[pid  2735] <... futex resumed>)        = 0
[pid  2736] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2735] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2736] <... futex resumed>)        = 1
[pid  2734] <... futex resumed>)        = 0
[pid  2731] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2736] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2734] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2731] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2736] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2734] <... futex resumed>)        = 0
[pid  2736] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2734] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2736] <... openat resumed>)       = 3
[pid  2731] exit_group(0 <unfinished ...>
[pid  2736] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2735] <... futex resumed>)        = ?
[pid  2731] <... exit_group resumed>)   = ?
[pid  2736] <... futex resumed>)        = 1
[pid  2735] +++ exited with 0 +++
[pid  2734] <... futex resumed>)        = 0
[pid  2731] +++ exited with 0 +++
[pid  2736] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2734] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2736] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2734] <... futex resumed>)        = 0
[pid  2736] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2734] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2736] <... write resumed>)        = 2
[pid  2736] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2734] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2731, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2736] <... futex resumed>)        = 1
[pid  2734] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2736] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2734] <... futex resumed>)        = 0
[pid  2736] <... openat resumed>)       = 4
[pid  2734] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2736] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2734] <... futex resumed>)        = 0
[pid  2736] <... futex resumed>)        = 1
[pid  2734] exit_group(0 <unfinished ...>
[pid  2736] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid  2734] <... exit_group resumed>)   = ?
[pid  2736] +++ exited with 0 +++
[pid  2734] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2734, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557716c690) = 2737
ci2-android-6-12-rust/strace-static-x86_64: Process 2737 attached
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2737] set_robust_list(0x55557716c6a0, 24) = 0
[pid  2737] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2737] setpgid(0, 0)               = 0
[pid  2737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2737] write(3, "1000", 4)         = 4
[pid  2737] close(3)                    = 0
[pid  2737] write(1, "executing program\n", 18) = 18
executing program
[pid  2737] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2737] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2737] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2737] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2737] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2737] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2738 attached
 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2738] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2738] <... set_robust_list resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2738] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2738] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2737] <... clone3 resumed> => {parent_tid=[2738]}, 88) = 2738
[pid  2737] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2737] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2737] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2739 attached
 <unfinished ...>
[pid  2738] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2739] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2738] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2739
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2739] <... set_robust_list resumed>) = 0
[pid  2739] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2738] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2739] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2738] <... futex resumed>)        = 1
[pid  2737] <... futex resumed>)        = 0
[pid  2738] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2737] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2738] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2737] <... futex resumed>)        = 0
[pid  2739] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2738] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2737] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2739] <... prctl resumed>)        = 0
[pid  2738] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2739] setpgid(0, 0 <unfinished ...>
[pid  2738] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2737] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2740 attached
[pid  2739] <... setpgid resumed>)      = 0
[pid  2738] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2737] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2738] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2740] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2737] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2740
[pid  2740] <... set_robust_list resumed>) = 0
[pid  2739] <... openat resumed>)       = 3
[pid  2738] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2737] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2740] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2739] write(3, "1000", 4 <unfinished ...>
[pid  2738] <... openat resumed>)       = 3
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2740] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2739] <... write resumed>)        = 4
[pid  2738] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2737] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2740] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2739] close(3 <unfinished ...>
[pid  2738] <... futex resumed>)        = 0
[pid  2737] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2740] <... prctl resumed>)        = 0
[pid  2739] <... close resumed>)        = 0
[pid  2738] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2737] <... futex resumed>)        = 0
[pid  2740] setpgid(0, 0 <unfinished ...>
[pid  2739] write(1, "executing program\n", 18 <unfinished ...>
[pid  2738] <... write resumed>)        = 2
[pid  2737] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
executing program
[pid  2740] <... setpgid resumed>)      = 0
[pid  2739] <... write resumed>)        = 18
[pid  2738] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2737] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2737] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2739] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2738] <... futex resumed>)        = 0
[pid  2737] <... futex resumed>)        = 0
[pid  2740] <... openat resumed>)       = 3
[pid  2739] <... futex resumed>)        = 0
[pid  2738] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2737] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2740] write(3, "1000", 4 <unfinished ...>
[pid  2739] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2738] <... openat resumed>)       = 4
[pid  2740] <... write resumed>)        = 4
[pid  2739] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2738] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2740] close(3 <unfinished ...>
[pid  2739] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2740] <... close resumed>)        = 0
[pid  2738] <... futex resumed>)        = 1
[pid  2740] write(1, "executing program\n", 18 <unfinished ...>
[pid  2739] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2738] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2740] <... write resumed>)        = 18
executing program
[pid  2740] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2737] <... futex resumed>)        = 0
[pid  2740] <... futex resumed>)        = 0
[pid  2739] <... mmap resumed>)         = 0x7fb4de009000
[pid  2737] exit_group(0 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2740] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2739] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2738] <... futex resumed>)        = ?
[pid  2737] <... exit_group resumed>)   = ?
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2740] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2739] <... mprotect resumed>)     = 0
[pid  2738] +++ exited with 0 +++
[pid  2737] +++ exited with 0 +++
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2741 attached
 <unfinished ...>
[pid  2740] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2739] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2741] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2740] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2739] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2741] <... set_robust_list resumed>) = 0
[pid  2740] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2739] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2741] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2740] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2741
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2737, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 2742 attached
[pid  2741] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2740] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2741] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2742] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2740] <... mprotect resumed>)     = 0
[pid  2742] <... set_robust_list resumed>) = 0
[pid  2741] <... prctl resumed>)        = 0
[pid  2739] <... clone3 resumed> => {parent_tid=[2742]}, 88) = 2742
[pid  2742] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2741] setpgid(0, 0 <unfinished ...>
[pid  2740] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2739] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  2742] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2741] <... setpgid resumed>)      = 0
[pid  2740] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2739] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2742] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2740] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2739] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2742] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2741] <... openat resumed>)       = 3
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2743 attached
 <unfinished ...>
[pid  2742] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2741] write(3, "1000", 4 <unfinished ...>
[pid  2739] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2742] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2743] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2739] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2743] <... set_robust_list resumed>) = 0
[pid  2742] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2741] <... write resumed>)        = 4
[pid  2740] <... clone3 resumed> => {parent_tid=[2743]}, 88) = 2743
[pid  2739] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2743] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2742] <... futex resumed>)        = 0
[pid  2741] close(3 <unfinished ...>
[pid  2740] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2739] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2743] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2742] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2741] <... close resumed>)        = 0
[pid  2740] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2739] <... futex resumed>)        = 0
[pid  2743] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  2742] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2741] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  2740] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2739] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2744 attached
 <unfinished ...>
[pid  2743] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2742] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2741] <... write resumed>)        = 18
[pid  2740] <... futex resumed>)        = 0
[pid  2739] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2744] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2743] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2742] <... futex resumed>)        = 0
[pid  2741] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2740] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2739] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2744
[pid  2744] <... set_robust_list resumed>) = 0
[pid  2743] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2742] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2741] <... futex resumed>)        = 0
[pid  2740] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2739] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2744] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2743] <... futex resumed>)        = 0
[pid  2742] <... openat resumed>)       = 3
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2741] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2744] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2743] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2742] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2741] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2740] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2739] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2744] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2743] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2742] <... futex resumed>)        = 0
[pid  2741] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2740] <... futex resumed>)        = 0
[pid  2739] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2744] setpgid(0, 0 <unfinished ...>
[pid  2743] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2742] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2741] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2740] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2739] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2744] <... setpgid resumed>)      = 0
[pid  2739] <... futex resumed>)        = 0
[pid  2739] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2743] <... futex resumed>)        = 0
[pid  2742] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2740] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2743] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2742] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2744] <... openat resumed>)       = 3
[pid  2741] <... mmap resumed>)         = 0x7fb4de009000
[pid  2743] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2742] <... write resumed>)        = 2
[pid  2740] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2744] write(3, "1000", 4 <unfinished ...>
[pid  2743] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2742] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2741] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2740] <... futex resumed>)        = 0
[pid  2744] <... write resumed>)        = 4
[pid  2743] <... openat resumed>)       = 3
[pid  2742] <... futex resumed>)        = 1
[pid  2739] <... futex resumed>)        = 0
[pid  2744] close(3 <unfinished ...>
[pid  2743] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2742] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2741] <... mprotect resumed>)     = 0
[pid  2740] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2739] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2744] <... close resumed>)        = 0
[pid  2743] <... futex resumed>)        = 0
[pid  2742] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2741] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2740] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2744] write(1, "executing program\n", 18 <unfinished ...>
[pid  2743] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2742] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2741] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2740] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2739] <... futex resumed>)        = 0
[pid  2744] <... write resumed>)        = 18
[pid  2743] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
executing program
[pid  2744] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2743] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2742] <... openat resumed>)       = 4
[pid  2741] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2740] <... futex resumed>)        = 0
[pid  2739] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2744] <... futex resumed>)        = 0
[pid  2743] <... write resumed>)        = 2
[pid  2742] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2740] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2739] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 2745 attached
[pid  2744] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2743] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2742] <... futex resumed>)        = 0
[pid  2740] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2739] exit_group(0 <unfinished ...>
[pid  2745] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2744] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2743] <... futex resumed>)        = 0
[pid  2741] <... clone3 resumed> => {parent_tid=[2745]}, 88) = 2745
[pid  2740] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2745] <... set_robust_list resumed>) = 0
[pid  2744] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2743] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2741] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2739] <... exit_group resumed>)   = ?
[pid  2745] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2744] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2742] +++ exited with 0 +++
[pid  2740] <... futex resumed>)        = 0
[pid  2743] <... openat resumed>)       = 4
[pid  2741] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2741] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2740] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2745] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2739] +++ exited with 0 +++
[pid  2744] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2745] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2743] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2741] <... futex resumed>)        = 0
[pid  2740] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2744] <... mmap resumed>)         = 0x7fb4de009000
[pid  2743] <... futex resumed>)        = 0
[pid  2741] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2744] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2743] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2740] exit_group(0 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2739, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2745] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2744] <... mprotect resumed>)     = 0
[pid  2743] <... futex resumed>)        = ?
[pid  2740] <... exit_group resumed>)   = ?
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2745] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2743] +++ exited with 0 +++
[pid  2745] <... futex resumed>)        = 1
[pid  2745] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2740] +++ exited with 0 +++
[pid  2741] <... futex resumed>)        = 0
[pid  2744] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2741] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2740, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2744] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2741] <... futex resumed>)        = 1
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2744] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2741] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2746 attached
 <unfinished ...>
[pid  2745] <... futex resumed>)        = 0
[pid  2746] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2745] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2744] <... clone3 resumed> => {parent_tid=[2746]}, 88) = 2746
[pid  2746] <... set_robust_list resumed>) = 0
[pid  2745] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2746] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2745] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2744] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2746] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2745] <... futex resumed>)        = 1
[pid  2741] <... futex resumed>)        = 0
[pid  2746] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2745] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2744] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2745] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2741] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2745] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2744] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2745] <... openat resumed>)       = 3
[pid  2741] <... futex resumed>)        = 0
[pid  2746] <... futex resumed>)        = 0
[pid  2744] <... futex resumed>)        = 1
[pid  2741] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2746] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2745] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2744] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2741] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2746] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2745] <... futex resumed>)        = 0
[pid  2746] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2741] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2746] <... futex resumed>)        = 1
[pid  2744] <... futex resumed>)        = 0
[pid  2741] <... futex resumed>)        = 0
[pid  2746] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2745] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2744] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2741] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2746] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2745] <... write resumed>)        = 2
[pid  2744] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  2746] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2745] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2744] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2746] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2745] <... futex resumed>)        = 1
[pid  2741] <... futex resumed>)        = 0
[pid  2746] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2745] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2746] <... futex resumed>)        = 1
[pid  2745] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2744] <... futex resumed>)        = 0
[pid  2741] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2746] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2745] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2744] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2741] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2746] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2745] <... openat resumed>)       = 4
[pid  2744] <... futex resumed>)        = 0
[pid  2741] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2746] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2744] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2746] <... openat resumed>)       = 3
[pid  2745] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2746] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2741] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2747
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2746] <... futex resumed>)        = 1
[pid  2744] <... futex resumed>)        = 0
[pid  2741] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 2747 attached
 <unfinished ...>
[pid  2746] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2744] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2741] <... exit_group resumed>)   = ?
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2747] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2746] <... write resumed>)        = 2
[pid  2745] +++ exited with 0 +++
[pid  2744] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2748 attached
[pid  2747] <... set_robust_list resumed>) = 0
[pid  2746] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2741] +++ exited with 0 +++
[pid  2744] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2748] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2747] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2746] <... futex resumed>)        = 0
[pid  2744] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2741, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2748] <... set_robust_list resumed>) = 0
[pid  2747] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2746] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2744] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2748] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2747] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2746] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2744] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2748
[pid  2748] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2747] <... prctl resumed>)        = 0
[pid  2746] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2744] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2748] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2747] setpgid(0, 0 <unfinished ...>
[pid  2746] <... openat resumed>)       = 4
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2748] <... prctl resumed>)        = 0
[pid  2747] <... setpgid resumed>)      = 0
[pid  2746] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2748] setpgid(0, 0 <unfinished ...>
[pid  2747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2746] <... futex resumed>)        = 1
[pid  2744] <... futex resumed>)        = 0
[pid  2748] <... setpgid resumed>)      = 0
[pid  2747] <... openat resumed>)       = 3
[pid  2746] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2744] exit_group(0 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2747] write(3, "1000", 4 <unfinished ...>
[pid  2746] <... futex resumed>)        = ?
[pid  2744] <... exit_group resumed>)   = ?
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2748] <... openat resumed>)       = 3
[pid  2747] <... write resumed>)        = 4
ci2-android-6-12-rust/strace-static-x86_64: Process 2749 attached
[pid  2748] write(3, "1000", 4 <unfinished ...>
[pid  2747] close(3 <unfinished ...>
[pid  2746] +++ exited with 0 +++
[pid  2744] +++ exited with 0 +++
[pid  2749] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2748] <... write resumed>)        = 4
[pid  2749] <... set_robust_list resumed>) = 0
[pid  2747] <... close resumed>)        = 0
[pid  2748] close(3 <unfinished ...>
[pid  2749] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2748] <... close resumed>)        = 0
[pid  2747] write(1, "executing program\n", 18 <unfinished ...>
[pid  2749] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2748] write(1, "executing program\n", 18 <unfinished ...>
[pid  2747] <... write resumed>)        = 18
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2749
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2744, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
executing program
executing program
[pid  2749] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2748] <... write resumed>)        = 18
[pid  2747] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2749] <... prctl resumed>)        = 0
[pid  2748] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2747] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2749] setpgid(0, 0 <unfinished ...>
[pid  2748] <... futex resumed>)        = 0
[pid  2747] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2749] <... setpgid resumed>)      = 0
[pid  2748] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2747] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2748] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2747] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2749] <... openat resumed>)       = 3
[pid  2748] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2749] write(3, "1000", 4 <unfinished ...>
[pid  2748] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2747] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  2749] <... write resumed>)        = 4
[pid  2748] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2747] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2749] close(3 <unfinished ...>
[pid  2748] <... mmap resumed>)         = 0x7fb4de009000
[pid  2747] <... mmap resumed>)         = 0x7fb4de009000
[pid  2749] <... close resumed>)        = 0
[pid  2748] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2747] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2749] write(1, "executing program\n", 18 <unfinished ...>
[pid  2748] <... mprotect resumed>)     = 0
[pid  2747] <... mprotect resumed>)     = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
executing program
[pid  2749] <... write resumed>)        = 18
[pid  2748] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2747] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2750 attached
 <unfinished ...>
[pid  2749] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2748] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2747] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2750] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2749] <... futex resumed>)        = 0
[pid  2748] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2747] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2750] <... set_robust_list resumed>) = 0
[pid  2749] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}ci2-android-6-12-rust/strace-static-x86_64: Process 2751 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2752 attached
 <unfinished ...>
[pid  2751] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2750] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2749] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2750
[pid  2752] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2751] <... set_robust_list resumed>) = 0
[pid  2750] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2749] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2748] <... clone3 resumed> => {parent_tid=[2751]}, 88) = 2751
[pid  2747] <... clone3 resumed> => {parent_tid=[2752]}, 88) = 2752
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2752] <... set_robust_list resumed>) = 0
[pid  2751] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2750] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2749] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2748] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2747] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2752] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2751] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2750] <... prctl resumed>)        = 0
[pid  2749] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2748] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2747] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2752] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2751] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2750] setpgid(0, 0 <unfinished ...>
[pid  2749] <... mmap resumed>)         = 0x7fb4de009000
[pid  2748] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2747] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2752] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2751] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2750] <... setpgid resumed>)      = 0
[pid  2749] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2748] <... futex resumed>)        = 0
[pid  2747] <... futex resumed>)        = 0
[pid  2752] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2751] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2749] <... mprotect resumed>)     = 0
[pid  2748] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2752] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2751] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2749] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2747] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2752] <... futex resumed>)        = 0
[pid  2752] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2751] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2750] <... openat resumed>)       = 3
[pid  2749] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2747] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2751] <... futex resumed>)        = 1
[pid  2750] write(3, "1000", 4 <unfinished ...>
[pid  2748] <... futex resumed>)        = 0
[pid  2747] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2749] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2752] <... futex resumed>)        = 0
[pid  2751] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2750] <... write resumed>)        = 4
[pid  2748] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2747] <... futex resumed>)        = 1
[pid  2752] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2751] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2750] close(3 <unfinished ...>
[pid  2748] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2753 attached
[pid  2747] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2753] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2752] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2751] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2750] <... close resumed>)        = 0
[pid  2748] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2753] <... set_robust_list resumed>) = 0
[pid  2753] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2752] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2751] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2750] write(1, "executing program\n", 18 <unfinished ...>
[pid  2749] <... clone3 resumed> => {parent_tid=[2753]}, 88) = 2753
executing program
[pid  2753] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2752] <... futex resumed>)        = 1
[pid  2751] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2750] <... write resumed>)        = 18
[pid  2749] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2747] <... futex resumed>)        = 0
[pid  2753] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2752] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2751] <... futex resumed>)        = 1
[pid  2750] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2749] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2748] <... futex resumed>)        = 0
[pid  2747] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2752] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2751] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2750] <... futex resumed>)        = 0
[pid  2749] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2748] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2747] <... futex resumed>)        = 0
[pid  2753] <... futex resumed>)        = 0
[pid  2752] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2751] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2750] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2749] <... futex resumed>)        = 1
[pid  2748] <... futex resumed>)        = 0
[pid  2747] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2753] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2752] <... openat resumed>)       = 3
[pid  2751] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2750] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2749] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2748] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2753] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2752] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2751] <... openat resumed>)       = 3
[pid  2750] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2753] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2752] <... futex resumed>)        = 1
[pid  2751] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2750] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2747] <... futex resumed>)        = 0
[pid  2753] <... futex resumed>)        = 1
[pid  2752] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2751] <... futex resumed>)        = 1
[pid  2750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2749] <... futex resumed>)        = 0
[pid  2748] <... futex resumed>)        = 0
[pid  2747] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2753] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2752] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2751] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2750] <... mmap resumed>)         = 0x7fb4de009000
[pid  2749] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2748] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2747] <... futex resumed>)        = 0
[pid  2753] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2752] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2751] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2750] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2749] <... futex resumed>)        = 0
[pid  2748] <... futex resumed>)        = 0
[pid  2747] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2753] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2752] <... write resumed>)        = 2
[pid  2751] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2750] <... mprotect resumed>)     = 0
[pid  2749] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2748] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2753] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2752] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2751] <... write resumed>)        = 2
[pid  2750] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2753] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2752] <... futex resumed>)        = 1
[pid  2751] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2750] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2747] <... futex resumed>)        = 0
[pid  2753] <... futex resumed>)        = 1
[pid  2752] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2751] <... futex resumed>)        = 1
[pid  2750] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2749] <... futex resumed>)        = 0
[pid  2748] <... futex resumed>)        = 0
[pid  2747] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2751] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 2754 attached
 <unfinished ...>
[pid  2753] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2752] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2749] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2748] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2747] <... futex resumed>)        = 0
[pid  2754] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2753] <... openat resumed>)       = 3
[pid  2752] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2754] <... set_robust_list resumed>) = 0
[pid  2753] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2751] <... futex resumed>)        = 0
[pid  2750] <... clone3 resumed> => {parent_tid=[2754]}, 88) = 2754
[pid  2749] <... futex resumed>)        = 0
[pid  2748] <... futex resumed>)        = 1
[pid  2747] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2754] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2753] <... futex resumed>)        = 0
[pid  2752] <... openat resumed>)       = 4
[pid  2751] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2750] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2749] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2748] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2754] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2753] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2752] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2751] <... openat resumed>)       = 4
[pid  2750] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2749] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2752] <... futex resumed>)        = 1
[pid  2754] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2751] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2750] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2752] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2749] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2747] <... futex resumed>)        = 0
[pid  2754] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2753] <... futex resumed>)        = 0
[pid  2751] <... futex resumed>)        = 1
[pid  2750] <... futex resumed>)        = 0
[pid  2749] <... futex resumed>)        = 1
[pid  2748] <... futex resumed>)        = 0
[pid  2754] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2753] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2751] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2747] exit_group(0 <unfinished ...>
[pid  2750] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2754] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2753] <... write resumed>)        = 2
[pid  2752] <... futex resumed>)        = ?
[pid  2749] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2748] exit_group(0 <unfinished ...>
[pid  2747] <... exit_group resumed>)   = ?
[pid  2754] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2753] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2752] +++ exited with 0 +++
[pid  2751] <... futex resumed>)        = ?
[pid  2749] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2748] <... exit_group resumed>)   = ?
[pid  2754] <... futex resumed>)        = 1
[pid  2750] <... futex resumed>)        = 0
[pid  2754] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2750] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2754] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2753] <... futex resumed>)        = 0
[pid  2751] +++ exited with 0 +++
[pid  2750] <... futex resumed>)        = 0
[pid  2749] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2747] +++ exited with 0 +++
[pid  2754] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2753] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2748] +++ exited with 0 +++
[pid  2750] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2749] <... futex resumed>)        = 0
[pid  2754] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2753] <... openat resumed>)       = 4
[pid  2749] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2747, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2748, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2754] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2753] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2749] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2754] <... futex resumed>)        = 1
[pid  2753] <... futex resumed>)        = 0
[pid  2750] <... futex resumed>)        = 0
[pid  2749] exit_group(0 <unfinished ...>
[pid  2754] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2750] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2749] <... exit_group resumed>)   = ?
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  2754] <... openat resumed>)       = 3
[pid  2753] +++ exited with 0 +++
[pid  2750] <... futex resumed>)        = 0
[pid  2754] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2750] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2754] <... futex resumed>)        = 0
[pid  2750] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2750] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2749] +++ exited with 0 +++
[pid  2754] write(3, "\x38\x00", 2 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2754] <... write resumed>)        = 2
[pid  2750] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2749, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2754] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2750] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2754] <... futex resumed>)        = 0
[pid  2750] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2750] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2754] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2750] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2755 attached
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2755] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2754] <... openat resumed>)       = 4
[pid  2750] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2755] <... set_robust_list resumed>) = 0
[pid  2754] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2755
[pid  2755] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2754] <... futex resumed>)        = 1
[pid  2750] <... futex resumed>)        = 0
[pid  2754] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2750] exit_group(0 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2754] <... futex resumed>)        = ?
[pid  2750] <... exit_group resumed>)   = ?
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2755] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2754] +++ exited with 0 +++
[pid   315] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2756 attached
[pid  2755] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2750] +++ exited with 0 +++
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2756
[pid  2756] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2755] <... prctl resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2750, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2756] <... set_robust_list resumed>) = 0
[pid  2755] setpgid(0, 0 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2756] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2756] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2755] <... setpgid resumed>)      = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2757 attached
[pid  2756] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2757
[pid  2757] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2756] <... prctl resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2757] <... set_robust_list resumed>) = 0
[pid  2756] setpgid(0, 0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2756] <... setpgid resumed>)      = 0
[pid  2757] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2755] <... openat resumed>)       = 3
[pid  2757] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2755] write(3, "1000", 4 <unfinished ...>
[pid  2757] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2756] <... openat resumed>)       = 3
[pid  2755] <... write resumed>)        = 4
[pid  2756] write(3, "1000", 4 <unfinished ...>
[pid  2755] close(3 <unfinished ...>
[pid  2756] <... write resumed>)        = 4
[pid  2756] close(3)                    = 0
[pid  2757] <... prctl resumed>)        = 0
[pid  2755] <... close resumed>)        = 0
[pid  2757] setpgid(0, 0 <unfinished ...>
[pid  2756] write(1, "executing program\n", 18) = 18
[pid  2757] <... setpgid resumed>)      = 0
[pid  2756] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2755] write(1, "executing program\n", 18 <unfinished ...>
[pid  2757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2756] <... futex resumed>)        = 0
[pid  2756] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2755] <... write resumed>)        = 18
[pid  2756] <... rt_sigaction resumed>, NULL, 8) = 0
executing program
executing program
[pid  2756] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2755] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2756] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2757] <... openat resumed>)       = 3
[pid  2755] <... futex resumed>)        = 0
[pid  2756] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2757] write(3, "1000", 4 <unfinished ...>
[pid  2756] <... mprotect resumed>)     = 0
[pid  2755] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2757] <... write resumed>)        = 4
[pid  2755] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2757] close(3 <unfinished ...>
[pid  2755] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2757] <... close resumed>)        = 0
[pid  2756] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2755] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2757] write(1, "executing program\n", 18 <unfinished ...>
[pid  2756] <... rt_sigprocmask resumed>, [], 8) = 0
executing program
[pid  2756] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2757] <... write resumed>)        = 18
[pid  2755] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 2758 attached
 <unfinished ...>
[pid  2757] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2756] <... clone3 resumed> => {parent_tid=[2758]}, 88) = 2758
[pid  2758] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2757] <... futex resumed>)        = 0
[pid  2755] <... mmap resumed>)         = 0x7fb4de009000
[pid  2756] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2757] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2758] <... set_robust_list resumed>) = 0
[pid  2756] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2755] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2757] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2758] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2756] <... futex resumed>)        = 0
[pid  2758] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2757] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2756] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2755] <... mprotect resumed>)     = 0
[pid  2757] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2757] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2755] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2758] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2757] <... mmap resumed>)         = 0x7fb4de009000
[pid  2758] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2757] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2755] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2758] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2755] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2758] <... futex resumed>)        = 1
[pid  2757] <... mprotect resumed>)     = 0
[pid  2756] <... futex resumed>)        = 0
[pid  2758] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2756] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2759 attached
 <unfinished ...>
[pid  2758] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2756] <... futex resumed>)        = 0
[pid  2757] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2755] <... clone3 resumed> => {parent_tid=[2759]}, 88) = 2759
[pid  2757] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2755] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2757] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2755] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2759] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2758] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2756] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2760 attached
 <unfinished ...>
[pid  2759] <... set_robust_list resumed>) = 0
[pid  2758] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2760] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2759] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2758] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2755] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2760] <... set_robust_list resumed>) = 0
[pid  2759] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2758] <... futex resumed>)        = 1
[pid  2757] <... clone3 resumed> => {parent_tid=[2760]}, 88) = 2760
[pid  2756] <... futex resumed>)        = 0
[pid  2755] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2760] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2759] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2758] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2756] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2755] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2759] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2758] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2756] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2760] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2759] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2758] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2757] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2756] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2760] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2759] <... futex resumed>)        = 1
[pid  2758] <... openat resumed>)       = 3
[pid  2757] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2755] <... futex resumed>)        = 0
[pid  2757] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2755] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2760] <... futex resumed>)        = 0
[pid  2759] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2757] <... futex resumed>)        = 1
[pid  2755] <... futex resumed>)        = 0
[pid  2760] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2757] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2761 attached
 <unfinished ...>
[pid  2760] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2759] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2758] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2755] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2761] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2760] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2759] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2758] <... futex resumed>)        = 1
[pid  2756] <... futex resumed>)        = 0
[pid  2755] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2761
[pid  2761] <... set_robust_list resumed>) = 0
[pid  2760] <... futex resumed>)        = 1
[pid  2759] <... futex resumed>)        = 0
[pid  2758] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2757] <... futex resumed>)        = 0
[pid  2756] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2760] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2759] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2758] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2757] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2761] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2756] <... futex resumed>)        = 0
[pid  2755] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2760] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2759] <... openat resumed>)       = 3
[pid  2758] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2757] <... futex resumed>)        = 0
[pid  2756] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2761] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2760] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2759] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2758] <... write resumed>)        = 2
[pid  2757] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2755] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2761] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2759] <... futex resumed>)        = 0
[pid  2758] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2755] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2761] <... prctl resumed>)        = 0
[pid  2760] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2759] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2758] <... futex resumed>)        = 1
[pid  2756] <... futex resumed>)        = 0
[pid  2755] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2761] setpgid(0, 0 <unfinished ...>
[pid  2760] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2758] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2756] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2755] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2761] <... setpgid resumed>)      = 0
[pid  2758] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2756] <... futex resumed>)        = 0
[pid  2760] <... futex resumed>)        = 1
[pid  2758] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2757] <... futex resumed>)        = 0
[pid  2756] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2760] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2759] <... futex resumed>)        = 0
[pid  2758] <... openat resumed>)       = 4
[pid  2757] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2755] <... futex resumed>)        = 1
[pid  2759] write(3, "\x38\x00", 2)     = 2
[pid  2758] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2761] <... openat resumed>)       = 3
[pid  2760] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2759] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2757] <... futex resumed>)        = 0
[pid  2756] <... futex resumed>)        = 0
[pid  2755] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2761] write(3, "1000", 4 <unfinished ...>
[pid  2760] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2759] <... futex resumed>)        = 0
[pid  2758] <... futex resumed>)        = 1
[pid  2757] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2756] exit_group(0 <unfinished ...>
[pid  2755] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2761] <... write resumed>)        = 4
[pid  2760] <... openat resumed>)       = 3
[pid  2759] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2756] <... exit_group resumed>)   = ?
[pid  2755] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2761] close(3 <unfinished ...>
[pid  2760] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2759] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2758] +++ exited with 0 +++
[pid  2756] +++ exited with 0 +++
[pid  2755] <... futex resumed>)        = 0
[pid  2761] <... close resumed>)        = 0
[pid  2760] <... futex resumed>)        = 1
[pid  2759] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2757] <... futex resumed>)        = 0
[pid  2755] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2756, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2761] write(1, "executing program\n", 18 <unfinished ...>
[pid  2760] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2759] <... openat resumed>)       = 4
[pid  2757] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2761] <... write resumed>)        = 18
[pid  2760] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
executing program
[pid  2757] <... futex resumed>)        = 0
[pid  2757] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2759] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2761] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2760] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2759] <... futex resumed>)        = 1
[pid  2755] <... futex resumed>)        = 0
[pid  2761] <... futex resumed>)        = 0
[pid  2760] <... write resumed>)        = 2
[pid  2759] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2755] exit_group(0 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2760] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2759] <... futex resumed>)        = ?
[pid  2755] <... exit_group resumed>)   = ?
[pid  2761] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2761] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2760] <... futex resumed>)        = 1
[pid  2759] +++ exited with 0 +++
[pid  2757] <... futex resumed>)        = 0
[pid  2755] +++ exited with 0 +++
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2761] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2760] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2757] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2755, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2761] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2760] <... openat resumed>)       = 4
[pid  2757] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2762 attached
[pid  2761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2760] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2757] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2761] <... mmap resumed>)         = 0x7fb4de009000
[pid  2760] <... futex resumed>)        = 0
[pid  2757] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2761] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2760] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2757] exit_group(0 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2762
[pid  2762] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2761] <... mprotect resumed>)     = 0
[pid  2760] <... futex resumed>)        = ?
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2757] <... exit_group resumed>)   = ?
[pid  2762] <... set_robust_list resumed>) = 0
[pid  2760] +++ exited with 0 +++
[pid  2761] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2762] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2761] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2762] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2761] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2762] <... prctl resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2763 attached
[pid  2762] setpgid(0, 0 <unfinished ...>
[pid  2757] +++ exited with 0 +++
[pid  2763] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2762] <... setpgid resumed>)      = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2757, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2763] <... set_robust_list resumed>) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2763] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2761] <... clone3 resumed> => {parent_tid=[2763]}, 88) = 2763
[pid  2763] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2763] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2761] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2762] <... openat resumed>)       = 3
[pid  2762] write(3, "1000", 4 <unfinished ...>
[pid  2761] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2762] <... write resumed>)        = 4
[pid  2761] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2762] close(3 <unfinished ...>
[pid  2763] <... futex resumed>)        = 0
[pid  2761] <... futex resumed>)        = 1
[pid  2763] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2762] <... close resumed>)        = 0
[pid  2761] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2763] <... mkdirat resumed>)      = -1 EEXIST (File exists)
executing program
[pid  2762] write(1, "executing program\n", 18 <unfinished ...>
[pid  2763] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2762] <... write resumed>)        = 18
[pid  2763] <... futex resumed>)        = 1
[pid  2762] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2761] <... futex resumed>)        = 0
[pid  2763] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2762] <... futex resumed>)        = 0
[pid  2761] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2763] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2762] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2761] <... futex resumed>)        = 0
[pid  2762] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2761] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2763] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2762] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2763] <... futex resumed>)        = 0
[pid  2762] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2763] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2762] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2762] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2762] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2762] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2764 attached
 => {parent_tid=[2764]}, 88) = 2764
[pid  2764] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2762] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2764] <... set_robust_list resumed>) = 0
[pid  2762] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2764] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2762] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2764] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2762] <... futex resumed>)        = 0
[pid  2764] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2762] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2761] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2764] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2761] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2764] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2763] <... futex resumed>)        = 0
[pid  2761] <... futex resumed>)        = 1
[pid  2764] <... futex resumed>)        = 1
[pid  2763] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2762] <... futex resumed>)        = 0
[pid  2761] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2764] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2763] <... openat resumed>)       = 3
[pid  2762] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2764] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2763] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2762] <... futex resumed>)        = 0
[pid  2764] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2763] <... futex resumed>)        = 1
[pid  2762] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2761] <... futex resumed>)        = 0
[pid  2764] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2763] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2761] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2764] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2763] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2761] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2764] <... futex resumed>)        = 1
[pid  2763] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2762] <... futex resumed>)        = 0
[pid  2764] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2763] <... write resumed>)        = 2
[pid  2762] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2764] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2763] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2764] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2763] <... futex resumed>)        = 1
[pid  2762] <... futex resumed>)        = 0
[pid  2761] <... futex resumed>)        = 0
[pid  2764] <... openat resumed>)       = 3
[pid  2763] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2762] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2761] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2764] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2763] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2762] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2761] <... futex resumed>)        = 0
[pid  2764] <... futex resumed>)        = 0
[pid  2763] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2762] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2761] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2764] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2763] <... openat resumed>)       = 4
[pid  2762] <... futex resumed>)        = 0
[pid  2764] <... write resumed>)        = 2
[pid  2762] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2764] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2763] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2762] <... futex resumed>)        = 0
[pid  2764] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2763] <... futex resumed>)        = 1
[pid  2762] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2764] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2763] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2762] <... futex resumed>)        = 0
[pid  2761] <... futex resumed>)        = 0
[pid  2764] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2762] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2761] exit_group(0 <unfinished ...>
[pid  2764] <... openat resumed>)       = 4
[pid  2761] <... exit_group resumed>)   = ?
[pid  2763] <... futex resumed>)        = ?
[pid  2763] +++ exited with 0 +++
[pid  2761] +++ exited with 0 +++
[pid   315] <... restart_syscall resumed>) = 0
[pid  2764] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2764] <... futex resumed>)        = 1
[pid  2762] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2761, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2764] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2762] exit_group(0 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2765 attached
 <unfinished ...>
[pid  2764] <... futex resumed>)        = ?
[pid  2762] <... exit_group resumed>)   = ?
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2764] +++ exited with 0 +++
[pid  2762] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2762, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2765
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2765] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2765] <... set_robust_list resumed>) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2765] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2765] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2766 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2767 attached
[pid  2765] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2766] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2767] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2766] <... set_robust_list resumed>) = 0
[pid  2765] <... prctl resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2766
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2767
[pid  2767] <... set_robust_list resumed>) = 0
[pid  2766] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2765] setpgid(0, 0 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2767] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2765] <... setpgid resumed>)      = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2767] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2766] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2767] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2766] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2767] <... prctl resumed>)        = 0
[pid  2766] <... prctl resumed>)        = 0
[pid  2765] <... openat resumed>)       = 3
[pid  2767] setpgid(0, 0 <unfinished ...>
[pid  2766] setpgid(0, 0 <unfinished ...>
[pid  2765] write(3, "1000", 4 <unfinished ...>
[pid  2767] <... setpgid resumed>)      = 0
[pid  2766] <... setpgid resumed>)      = 0
[pid  2766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2765] <... write resumed>)        = 4
[pid  2767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2765] close(3 <unfinished ...>
[pid  2766] <... openat resumed>)       = 3
[pid  2766] write(3, "1000", 4)         = 4
[pid  2766] close(3 <unfinished ...>
[pid  2767] <... openat resumed>)       = 3
[pid  2766] <... close resumed>)        = 0
[pid  2765] <... close resumed>)        = 0
[pid  2766] write(1, "executing program\n", 18) = 18
executing program
[pid  2765] write(1, "executing program\n", 18 <unfinished ...>
[pid  2766] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2766] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
executing program
[pid  2767] write(3, "1000", 4 <unfinished ...>
[pid  2765] <... write resumed>)        = 18
[pid  2767] <... write resumed>)        = 4
[pid  2766] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2766] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2767] close(3 <unfinished ...>
[pid  2766] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2765] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2767] <... close resumed>)        = 0
[pid  2766] <... mmap resumed>)         = 0x7fb4de009000
[pid  2765] <... futex resumed>)        = 0
[pid  2767] write(1, "executing program\n", 18 <unfinished ...>
[pid  2766] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2767] <... write resumed>)        = 18
[pid  2765] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
executing program
[pid  2767] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2765] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2767] <... futex resumed>)        = 0
[pid  2765] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2767] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2765] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2767] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2765] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2766] <... mprotect resumed>)     = 0
[pid  2767] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2766] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2767] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2765] <... mmap resumed>)         = 0x7fb4de009000
[pid  2767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2766] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2766] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2768 attached
 <unfinished ...>
[pid  2768] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2766] <... clone3 resumed> => {parent_tid=[2768]}, 88) = 2768
[pid  2768] <... set_robust_list resumed>) = 0
[pid  2766] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2768] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2766] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2768] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2766] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2768] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2766] <... futex resumed>)        = 0
[pid  2766] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2768] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2768] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2765] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2767] <... mmap resumed>)         = 0x7fb4de009000
[pid  2768] <... futex resumed>)        = 1
[pid  2767] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2766] <... futex resumed>)        = 0
[pid  2765] <... mprotect resumed>)     = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  2768] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2767] <... mprotect resumed>)     = 0
[pid  2766] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2768] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2766] <... futex resumed>)        = 0
[pid  2765] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2768] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2767] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2766] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2765] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2768] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2767] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2768] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2767] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2768] <... futex resumed>)        = 1
[pid  2766] <... futex resumed>)        = 0
[pid  2768] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2766] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2768] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2766] <... futex resumed>)        = 0
[pid  2768] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLYci2-android-6-12-rust/strace-static-x86_64: Process 2769 attached
 <unfinished ...>
[pid  2766] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2767] <... clone3 resumed> => {parent_tid=[2769]}, 88) = 2769
[pid  2765] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2767] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2767] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2769] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2768] <... openat resumed>)       = 3
[pid  2769] <... set_robust_list resumed>) = 0
[pid  2768] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2769] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2768] <... futex resumed>)        = 1
[pid  2766] <... futex resumed>)        = 0
[pid  2769] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2768] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2766] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2769] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2768] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2766] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2771 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2770 attached
[pid  2769] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2768] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2767] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2766] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2771] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2770] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2769] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2768] <... write resumed>)        = 2
[pid  2767] <... futex resumed>)        = 0
[pid  2771] <... set_robust_list resumed>) = 0
[pid  2770] <... set_robust_list resumed>) = 0
[pid  2769] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2768] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2771] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2770] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2769] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2768] <... futex resumed>)        = 1
[pid  2766] <... futex resumed>)        = 0
[pid  2771] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2769] <... futex resumed>)        = 0
[pid  2768] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2766] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2771] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2770] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2769] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2768] <... openat resumed>)       = 4
[pid  2766] <... futex resumed>)        = 0
[pid  2770] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2766] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2768] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2770] <... prctl resumed>)        = 0
[pid  2768] <... futex resumed>)        = 1
[pid  2766] <... futex resumed>)        = 0
[pid  2770] setpgid(0, 0 <unfinished ...>
[pid  2768] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2766] exit_group(0 <unfinished ...>
[pid  2767] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2765] <... clone3 resumed> => {parent_tid=[2771]}, 88) = 2771
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2770
[pid  2767] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2765] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2767] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2765] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2769] <... futex resumed>)        = 0
[pid  2767] <... futex resumed>)        = 1
[pid  2765] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2770] <... setpgid resumed>)      = 0
[pid  2768] <... futex resumed>)        = ?
[pid  2766] <... exit_group resumed>)   = ?
[pid  2771] <... futex resumed>)        = 0
[pid  2770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2769] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2768] +++ exited with 0 +++
[pid  2767] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2766] +++ exited with 0 +++
[pid  2765] <... futex resumed>)        = 1
[pid  2771] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2770] <... openat resumed>)       = 3
[pid  2765] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2766, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2771] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2770] write(3, "1000", 4 <unfinished ...>
[pid  2769] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2771] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2770] <... write resumed>)        = 4
[pid  2771] <... futex resumed>)        = 1
[pid  2770] close(3 <unfinished ...>
[pid  2769] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2765] <... futex resumed>)        = 0
[pid  2771] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2770] <... close resumed>)        = 0
[pid  2769] <... futex resumed>)        = 1
[pid  2767] <... futex resumed>)        = 0
[pid  2765] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2769] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2767] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2765] <... futex resumed>)        = 0
[pid  2769] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2767] <... futex resumed>)        = 0
[pid  2765] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2769] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2767] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2771] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2770] write(1, "executing program\n", 18 <unfinished ...>
[pid  2771] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2770] <... write resumed>)        = 18
[pid  2771] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2770] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  2771] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2770] <... futex resumed>)        = 0
[pid  2769] <... openat resumed>)       = 3
[pid   315] <... restart_syscall resumed>) = 0
[pid  2771] <... futex resumed>)        = 1
[pid  2770] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2769] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2765] <... futex resumed>)        = 0
[pid  2771] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2770] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2765] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2771] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2770] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2771] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2770] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2765] <... futex resumed>)        = 0
[pid  2771] <... openat resumed>)       = 3
[pid  2770] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2765] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2771] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2770] <... mmap resumed>)         = 0x7fb4de009000
[pid  2769] <... futex resumed>)        = 1
[pid  2767] <... futex resumed>)        = 0
[pid  2771] <... futex resumed>)        = 0
[pid  2770] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2769] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2767] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2765] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2771] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2770] <... mprotect resumed>)     = 0
[pid  2769] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2767] <... futex resumed>)        = 0
[pid  2765] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2771] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2770] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2769] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2767] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2765] <... futex resumed>)        = 0
[pid  2771] write(3, "\x38\x00", 2)     = 2
[pid  2770] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2771] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2770] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2772 attached
 <unfinished ...>
[pid  2771] <... futex resumed>)        = 0
[pid  2765] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2769] <... write resumed>)        = 2
[pid  2765] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2769] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2765] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2769] <... futex resumed>)        = 1
[pid  2767] <... futex resumed>)        = 0
[pid  2765] <... futex resumed>)        = 0
[pid  2769] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2767] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2765] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2773 attached
 <unfinished ...>
[pid  2772] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2771] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2770] <... clone3 resumed> => {parent_tid=[2772]}, 88) = 2772
[pid  2769] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2767] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2773
[pid  2773] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2772] <... set_robust_list resumed>) = 0
[pid  2771] <... openat resumed>)       = 4
[pid  2770] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2769] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2767] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2773] <... set_robust_list resumed>) = 0
[pid  2772] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2771] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2770] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2769] <... openat resumed>)       = 4
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2773] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2772] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2771] <... futex resumed>)        = 1
[pid  2770] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2769] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2765] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2773] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2772] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2771] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2770] <... futex resumed>)        = 0
[pid  2773] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2772] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2770] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2769] <... futex resumed>)        = 1
[pid  2767] <... futex resumed>)        = 0
[pid  2765] exit_group(0 <unfinished ...>
[pid  2773] <... prctl resumed>)        = 0
[pid  2772] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2770] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2765] <... exit_group resumed>)   = ?
[pid  2773] setpgid(0, 0 <unfinished ...>
[pid  2772] <... futex resumed>)        = 0
[pid  2771] <... futex resumed>)        = ?
[pid  2770] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2769] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2767] exit_group(0 <unfinished ...>
[pid  2773] <... setpgid resumed>)      = 0
[pid  2772] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2770] <... futex resumed>)        = 0
[pid  2772] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2770] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2772] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2770] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2772] <... futex resumed>)        = 0
[pid  2770] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2772] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2770] <... futex resumed>)        = 0
[pid  2772] <... openat resumed>)       = 3
[pid  2770] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2772] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2771] +++ exited with 0 +++
[pid  2770] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2765] +++ exited with 0 +++
[pid  2773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2772] <... futex resumed>)        = 0
[pid  2770] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2769] <... futex resumed>)        = ?
[pid  2767] <... exit_group resumed>)   = ?
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2765, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2773] <... openat resumed>)       = 3
[pid  2772] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2770] <... futex resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2772] <... write resumed>)        = 2
[pid  2770] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2769] +++ exited with 0 +++
[pid  2772] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2770] <... futex resumed>)        = 0
[pid  2772] <... futex resumed>)        = 1
[pid  2770] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2772] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2770] <... futex resumed>)        = 0
[pid  2772] <... openat resumed>)       = 4
[pid  2770] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2772] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2767] +++ exited with 0 +++
[pid  2773] write(3, "1000", 4)         = 4
[pid  2772] <... futex resumed>)        = 1
[pid  2770] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2767, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2772] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2770] exit_group(0 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2772] <... futex resumed>)        = ?
[pid  2770] <... exit_group resumed>)   = ?
[pid  2773] close(3 <unfinished ...>
[pid  2772] +++ exited with 0 +++
[pid  2770] +++ exited with 0 +++
[pid  2773] <... close resumed>)        = 0
[pid  2773] write(1, "executing program\n", 18) = 18
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2770, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2773] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2773] <... futex resumed>)        = 0
[pid  2773] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
executing program
[pid  2773] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2773] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2773] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2773] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2773] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2773] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2774 attached
 => {parent_tid=[2774]}, 88) = 2774
[pid  2773] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2773] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2773] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2774] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  2774] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2774] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2774] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2774] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2774] <... futex resumed>)        = 1
[pid  2773] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2775 attached
 <unfinished ...>
[pid  2774] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2773] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2775] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2774] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2773] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2775
[pid  2775] <... set_robust_list resumed>) = 0
[pid  2773] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2775] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2774] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2773] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2775] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2774] <... futex resumed>)        = 0
[pid  2773] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2775] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2774] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2773] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2776 attached
[pid  2775] <... prctl resumed>)        = 0
[pid  2774] <... openat resumed>)       = 3
[pid  2773] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2776] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2775] setpgid(0, 0 <unfinished ...>
[pid  2774] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2776
ci2-android-6-12-rust/strace-static-x86_64: Process 2777 attached
[pid  2776] <... set_robust_list resumed>) = 0
[pid  2775] <... setpgid resumed>)      = 0
[pid  2774] <... futex resumed>)        = 1
[pid  2773] <... futex resumed>)        = 0
[pid  2777] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2776] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2777] <... set_robust_list resumed>) = 0
[pid  2776] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2773] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2774] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2773] <... futex resumed>)        = 0
[pid  2777] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2776] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2775] <... openat resumed>)       = 3
[pid  2774] <... write resumed>)        = 2
[pid  2773] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2777] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2776] <... prctl resumed>)        = 0
[pid  2775] write(3, "1000", 4 <unfinished ...>
[pid  2774] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2773] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2777
[pid  2777] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2776] setpgid(0, 0 <unfinished ...>
[pid  2775] <... write resumed>)        = 4
[pid  2774] <... futex resumed>)        = 0
[pid  2773] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2776] <... setpgid resumed>)      = 0
[pid  2775] close(3 <unfinished ...>
[pid  2774] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2773] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2775] <... close resumed>)        = 0
[pid  2774] <... openat resumed>)       = 4
[pid  2773] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2777] <... prctl resumed>)        = 0
[pid  2777] setpgid(0, 0 <unfinished ...>
[pid  2776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2775] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  2774] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2777] <... setpgid resumed>)      = 0
[pid  2776] <... openat resumed>)       = 3
[pid  2775] <... write resumed>)        = 18
[pid  2774] <... futex resumed>)        = 1
[pid  2773] <... futex resumed>)        = 0
[pid  2777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2776] write(3, "1000", 4 <unfinished ...>
[pid  2775] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2774] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2773] exit_group(0 <unfinished ...>
[pid  2775] <... futex resumed>)        = 0
[pid  2774] <... futex resumed>)        = ?
[pid  2773] <... exit_group resumed>)   = ?
[pid  2777] <... openat resumed>)       = 3
[pid  2776] <... write resumed>)        = 4
[pid  2775] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2774] +++ exited with 0 +++
[pid  2773] +++ exited with 0 +++
[pid  2777] write(3, "1000", 4 <unfinished ...>
[pid  2776] close(3)                    = 0
[pid  2775] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2777] <... write resumed>)        = 4
[pid  2776] write(1, "executing program\n", 18 <unfinished ...>
[pid  2775] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2773, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2775] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2777] close(3 <unfinished ...>
[pid  2776] <... write resumed>)        = 18
[pid  2775] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2777] <... close resumed>)        = 0
executing program
[pid  2776] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2777] write(1, "executing program\n", 18 <unfinished ...>
[pid  2776] <... futex resumed>)        = 0
[pid  2777] <... write resumed>)        = 18
executing program
[pid  2775] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2777] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2776] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2775] <... mprotect resumed>)     = 0
[pid  2777] <... futex resumed>)        = 0
[pid  2776] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2777] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2776] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2775] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2777] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2776] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2775] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2777] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2777] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2775] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2776] <... mmap resumed>)         = 0x7fb4de009000
ci2-android-6-12-rust/strace-static-x86_64: Process 2778 attached
[pid  2777] <... mmap resumed>)         = 0x7fb4de009000
[pid  2776] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2778] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2777] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2776] <... mprotect resumed>)     = 0
[pid  2775] <... clone3 resumed> => {parent_tid=[2778]}, 88) = 2778
[pid  2777] <... mprotect resumed>)     = 0
[pid  2776] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2775] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2777] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2778] <... set_robust_list resumed>) = 0
[pid  2778] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2778] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2776] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2777] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2775] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2777] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2775] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2776] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2779 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2780 attached
 <unfinished ...>
[pid  2779] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2778] <... futex resumed>)        = 0
[pid  2776] <... clone3 resumed> => {parent_tid=[2779]}, 88) = 2779
[pid  2775] <... futex resumed>)        = 1
[pid  2780] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2779] <... set_robust_list resumed>) = 0
[pid  2778] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2776] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2780] <... set_robust_list resumed>) = 0
[pid  2779] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2778] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2777] <... clone3 resumed> => {parent_tid=[2780]}, 88) = 2780
[pid  2776] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2775] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2780] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2779] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2778] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2776] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2780] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2779] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2778] <... futex resumed>)        = 0
[pid  2776] <... futex resumed>)        = 0
[pid  2775] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2780] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2779] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2778] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2776] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2779] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2776] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2779] <... futex resumed>)        = 0
[pid  2776] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2779] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2776] <... futex resumed>)        = 0
[pid  2779] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2777] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2776] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2775] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2777] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2775] <... futex resumed>)        = 1
[pid  2777] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2775] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2777] <... futex resumed>)        = 1
[pid  2780] <... futex resumed>)        = 0
[pid  2779] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2778] <... futex resumed>)        = 0
[pid  2780] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2779] <... futex resumed>)        = 1
[pid  2778] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2776] <... futex resumed>)        = 0
[pid  2780] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2779] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2778] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2777] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2776] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2780] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2779] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2778] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2777] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2776] <... futex resumed>)        = 0
[pid  2780] <... futex resumed>)        = 0
[pid  2779] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2778] <... futex resumed>)        = 1
[pid  2777] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2776] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2775] <... futex resumed>)        = 0
[pid  2780] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2779] <... openat resumed>)       = 3
[pid  2778] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2777] <... futex resumed>)        = 0
[pid  2775] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2780] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2775] <... futex resumed>)        = 0
[pid  2777] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2775] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2780] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2779] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2778] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2780] <... futex resumed>)        = 1
[pid  2779] <... futex resumed>)        = 1
[pid  2778] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2777] <... futex resumed>)        = 0
[pid  2776] <... futex resumed>)        = 0
[pid  2780] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2779] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2778] <... openat resumed>)       = 3
[pid  2777] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2776] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2780] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2779] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2778] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2777] <... futex resumed>)        = 0
[pid  2776] <... futex resumed>)        = 0
[pid  2777] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2780] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2778] <... futex resumed>)        = 1
[pid  2775] <... futex resumed>)        = 0
[pid  2775] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2780] <... openat resumed>)       = 3
[pid  2778] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2775] <... futex resumed>)        = 0
[pid  2780] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2778] <... write resumed>)        = 2
[pid  2775] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2780] <... futex resumed>)        = 1
[pid  2778] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2777] <... futex resumed>)        = 0
[pid  2775] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2780] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2778] <... futex resumed>)        = 0
[pid  2777] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2775] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2780] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2778] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2777] <... futex resumed>)        = 0
[pid  2775] <... futex resumed>)        = 0
[pid  2780] write(3, "\x38\x00", 2)     = 2
[pid  2779] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2778] <... openat resumed>)       = 4
[pid  2777] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2776] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2775] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2779] <... write resumed>)        = 2
[pid  2779] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2776] <... futex resumed>)        = 0
[pid  2780] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2779] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2778] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2777] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2776] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2780] <... futex resumed>)        = 0
[pid  2779] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2778] <... futex resumed>)        = 1
[pid  2777] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2776] <... futex resumed>)        = 0
[pid  2775] <... futex resumed>)        = 0
[pid  2780] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2779] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2778] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2777] <... futex resumed>)        = 0
[pid  2776] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2780] <... openat resumed>)       = 4
[pid  2779] <... openat resumed>)       = 4
[pid  2780] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2779] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2777] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2775] exit_group(0 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2780] <... futex resumed>)        = 0
[pid  2779] <... futex resumed>)        = 1
[pid  2778] <... futex resumed>)        = ?
[pid  2777] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2776] <... futex resumed>)        = 0
[pid  2775] <... exit_group resumed>)   = ?
[pid  2780] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2779] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2777] exit_group(0 <unfinished ...>
[pid  2776] exit_group(0 <unfinished ...>
[pid  2780] <... futex resumed>)        = ?
[pid  2779] <... futex resumed>)        = ?
[pid  2778] +++ exited with 0 +++
[pid  2777] <... exit_group resumed>)   = ?
[pid  2776] <... exit_group resumed>)   = ?
[pid  2780] +++ exited with 0 +++
[pid  2779] +++ exited with 0 +++
[pid  2776] +++ exited with 0 +++
[pid  2775] +++ exited with 0 +++
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2781 attached
 <unfinished ...>
[pid  2777] +++ exited with 0 +++
[pid  2781] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2776, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2777, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2775, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2781] <... set_robust_list resumed>) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2781
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2781] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2781] setpgid(0, 0)               = 0
[pid  2781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2781] write(3, "1000", 4)         = 4
[pid  2781] close(3)                    = 0
[pid  2781] write(1, "executing program\n", 18) = 18
executing program
[pid  2781] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2781] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2781] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2781] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2781] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2781] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2781] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2782 attached
 <unfinished ...>
[pid  2782] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2782] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2782] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2781] <... clone3 resumed> => {parent_tid=[2782]}, 88) = 2782
[pid  2781] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2781] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2782] <... futex resumed>)        = 0
[pid  2781] <... futex resumed>)        = 1
[pid  2781] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2782] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  2782] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2781] <... futex resumed>)        = 0
[pid  2782] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2781] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2782] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2781] <... futex resumed>)        = 0
[pid  2782] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2781] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2782] <... futex resumed>)        = 0
[pid  2781] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2782] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2781] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2782] <... openat resumed>)       = 3
[pid  2781] <... futex resumed>)        = 0
[pid  2782] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2781] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2782] <... futex resumed>)        = 0
[pid  2781] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2782] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2781] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2782] <... futex resumed>)        = 0
[pid  2781] <... futex resumed>)        = 1
[pid  2782] write(3, "\x38\x00", 2 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2781] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2782] <... write resumed>)        = 2
[pid  2782] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2781] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2782] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2781] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2782] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2782] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid  2781] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2781] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2782] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2781] <... futex resumed>)        = 0
[pid  2782] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2781] exit_group(0 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2783 attached
[pid  2783] set_robust_list(0x55557716c6a0, 24) = 0
[pid  2783] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2784 attached
 <unfinished ...>
[pid  2783] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2783] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2782] <... futex resumed>)        = ?
[pid  2784] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2781] <... exit_group resumed>)   = ?
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2783
[pid  2784] <... set_robust_list resumed>) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2784
ci2-android-6-12-rust/strace-static-x86_64: Process 2785 attached
[pid  2784] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2783] <... prctl resumed>)        = 0
[pid  2782] +++ exited with 0 +++
[pid  2781] +++ exited with 0 +++
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2785] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2784] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2783] setpgid(0, 0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2785] <... set_robust_list resumed>) = 0
[pid  2784] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2781, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2783] <... setpgid resumed>)      = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2785
[pid  2784] <... prctl resumed>)        = 0
[pid  2785] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2785] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2784] setpgid(0, 0 <unfinished ...>
[pid  2783] <... openat resumed>)       = 3
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2785] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2784] <... setpgid resumed>)      = 0
[pid  2783] write(3, "1000", 4 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2785] <... prctl resumed>)        = 0
[pid  2784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2783] <... write resumed>)        = 4
[pid  2785] setpgid(0, 0)               = 0
[pid  2784] <... openat resumed>)       = 3
[pid  2783] close(3 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2784] write(3, "1000", 4 <unfinished ...>
[pid  2783] <... close resumed>)        = 0
[pid  2785] <... openat resumed>)       = 3
[pid  2784] <... write resumed>)        = 4
[pid  2783] write(1, "executing program\n", 18) = 18
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2786
ci2-android-6-12-rust/strace-static-x86_64: Process 2786 attached
[pid  2784] close(3 <unfinished ...>
[pid  2783] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2785] write(3, "1000", 4 <unfinished ...>
[pid  2784] <... close resumed>)        = 0
[pid  2783] <... futex resumed>)        = 0
executing program
[pid  2786] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2785] <... write resumed>)        = 4
[pid  2784] write(1, "executing program\n", 18 <unfinished ...>
[pid  2783] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2786] <... set_robust_list resumed>) = 0
[pid  2785] close(3 <unfinished ...>
[pid  2784] <... write resumed>)        = 18
[pid  2783] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2785] <... close resumed>)        = 0
executing program
[pid  2786] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2784] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2783] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2786] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  2785] write(1, "executing program\n", 18 <unfinished ...>
[pid  2784] <... futex resumed>)        = 0
[pid  2783] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2785] <... write resumed>)        = 18
[pid  2784] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2783] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2786] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2785] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2785] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2785] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2785] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2785] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2785] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2784] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2784] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2783] <... mmap resumed>)         = 0x7fb4de009000
[pid  2786] <... prctl resumed>)        = 0
[pid  2784] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2786] setpgid(0, 0 <unfinished ...>
[pid  2783] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2786] <... setpgid resumed>)      = 0
[pid  2784] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2785] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2785] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2787 attached
 <unfinished ...>
[pid  2786] <... openat resumed>)       = 3
[pid  2784] <... mmap resumed>)         = 0x7fb4de009000
[pid  2783] <... mprotect resumed>)     = 0
[pid  2785] <... clone3 resumed> => {parent_tid=[2787]}, 88) = 2787
[pid  2787] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2786] write(3, "1000", 4 <unfinished ...>
[pid  2785] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2784] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2783] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2787] <... set_robust_list resumed>) = 0
[pid  2786] <... write resumed>)        = 4
[pid  2785] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2785] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2784] <... mprotect resumed>)     = 0
[pid  2783] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2787] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2786] close(3 <unfinished ...>
[pid  2785] <... futex resumed>)        = 0
[pid  2783] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2787] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2786] <... close resumed>)        = 0
[pid  2785] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2784] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2788 attached
 <unfinished ...>
[pid  2787] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2786] write(1, "executing program\n", 18 <unfinished ...>
[pid  2788] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2786] <... write resumed>)        = 18
[pid  2783] <... clone3 resumed> => {parent_tid=[2788]}, 88) = 2788
[pid  2788] <... set_robust_list resumed>) = 0
[pid  2787] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2786] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2784] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2788] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
executing program
[pid  2787] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2786] <... futex resumed>)        = 0
[pid  2784] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2783] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2788] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2787] <... futex resumed>)        = 1
[pid  2786] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2785] <... futex resumed>)        = 0
[pid  2788] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2787] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2786] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2785] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2783] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2787] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2786] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2785] <... futex resumed>)        = 0
[pid  2783] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2787] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2786] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2783] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 2789 attached
[pid  2788] <... futex resumed>)        = 0
[pid  2785] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2789] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2788] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2787] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2784] <... clone3 resumed> => {parent_tid=[2789]}, 88) = 2789
[pid  2783] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2789] <... set_robust_list resumed>) = 0
[pid  2788] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2789] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2788] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2789] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2788] <... futex resumed>)        = 1
[pid  2786] <... mmap resumed>)         = 0x7fb4de009000
[pid  2784] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2783] <... futex resumed>)        = 0
[pid  2789] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2788] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2787] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2786] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2784] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2783] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2788] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2787] <... futex resumed>)        = 1
[pid  2785] <... futex resumed>)        = 0
[pid  2784] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2783] <... futex resumed>)        = 0
[pid  2788] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2787] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2786] <... mprotect resumed>)     = 0
[pid  2785] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2789] <... futex resumed>)        = 0
[pid  2787] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2784] <... futex resumed>)        = 1
[pid  2783] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2784] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2787] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2786] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2789] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2788] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2787] <... openat resumed>)       = 3
[pid  2786] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2785] <... futex resumed>)        = 0
[pid  2789] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2788] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2787] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2785] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2789] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2788] <... futex resumed>)        = 1
[pid  2787] <... futex resumed>)        = 0
[pid  2786] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2785] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2783] <... futex resumed>)        = 0
[pid  2789] <... futex resumed>)        = 1
[pid  2788] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2787] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2785] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2784] <... futex resumed>)        = 0
[pid  2789] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2787] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2785] <... futex resumed>)        = 0
[pid  2784] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2783] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2789] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2787] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2785] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2788] <... futex resumed>)        = 0
[pid  2784] <... futex resumed>)        = 0
[pid  2783] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 2790 attached
[pid  2789] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2787] <... write resumed>)        = 2
[pid  2784] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2783] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2790] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2789] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2788] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2787] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2786] <... clone3 resumed> => {parent_tid=[2790]}, 88) = 2790
[pid  2790] <... set_robust_list resumed>) = 0
[pid  2789] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2788] <... openat resumed>)       = 3
[pid  2787] <... futex resumed>)        = 1
[pid  2786] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2785] <... futex resumed>)        = 0
[pid  2790] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2789] <... futex resumed>)        = 1
[pid  2788] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2787] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2786] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2785] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2784] <... futex resumed>)        = 0
[pid  2790] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2789] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2788] <... futex resumed>)        = 1
[pid  2787] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2786] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2785] <... futex resumed>)        = 0
[pid  2784] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2783] <... futex resumed>)        = 0
[pid  2790] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2789] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2788] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2787] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2786] <... futex resumed>)        = 0
[pid  2785] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2790] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2789] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2788] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2784] <... futex resumed>)        = 0
[pid  2783] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2790] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2789] <... openat resumed>)       = 3
[pid  2788] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2787] <... openat resumed>)       = 4
[pid  2786] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2784] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2783] <... futex resumed>)        = 0
[pid  2790] <... futex resumed>)        = 0
[pid  2789] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2788] <... write resumed>)        = 2
[pid  2787] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2786] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2784] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2783] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2790] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2789] <... futex resumed>)        = 0
[pid  2788] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2787] <... futex resumed>)        = 1
[pid  2786] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2785] <... futex resumed>)        = 0
[pid  2784] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2783] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2790] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2789] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2788] <... futex resumed>)        = 0
[pid  2787] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2786] <... futex resumed>)        = 0
[pid  2785] exit_group(0 <unfinished ...>
[pid  2784] <... futex resumed>)        = 0
[pid  2783] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2790] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2789] <... write resumed>)        = 2
[pid  2788] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2787] <... futex resumed>)        = ?
[pid  2786] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2785] <... exit_group resumed>)   = ?
[pid  2784] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2783] <... futex resumed>)        = 0
[pid  2787] +++ exited with 0 +++
[pid  2786] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2783] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2786] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2790] <... futex resumed>)        = 0
[pid  2789] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2788] <... openat resumed>)       = 4
[pid  2786] <... futex resumed>)        = 0
[pid  2785] +++ exited with 0 +++
[pid  2790] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2789] <... futex resumed>)        = 1
[pid  2788] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2786] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2784] <... futex resumed>)        = 0
[pid  2790] <... openat resumed>)       = 3
[pid  2789] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2788] <... futex resumed>)        = 1
[pid  2783] <... futex resumed>)        = 0
[pid  2790] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2789] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2788] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2786] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2784] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2785, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2790] <... futex resumed>)        = 0
[pid  2789] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2786] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2784] <... futex resumed>)        = 0
[pid  2783] exit_group(0 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2790] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2789] <... openat resumed>)       = 4
[pid  2788] <... futex resumed>)        = ?
[pid  2786] <... futex resumed>)        = 0
[pid  2784] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2783] <... exit_group resumed>)   = ?
[pid  2790] <... write resumed>)        = 2
[pid  2789] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2788] +++ exited with 0 +++
[pid  2786] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2784] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2790] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2789] <... futex resumed>)        = 0
[pid  2790] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2789] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2786] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2784] exit_group(0 <unfinished ...>
[pid  2786] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2789] <... futex resumed>)        = ?
[pid  2784] <... exit_group resumed>)   = ?
[pid  2790] <... futex resumed>)        = 0
[pid  2789] +++ exited with 0 +++
[pid  2786] <... futex resumed>)        = 1
[pid  2790] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid  2790] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2790] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2784] +++ exited with 0 +++
[pid  2786] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  2783] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2784, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2786] exit_group(0 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2783, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2790] <... futex resumed>)        = ?
[pid  2786] <... exit_group resumed>)   = ?
[pid  2790] +++ exited with 0 +++
[pid  2786] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2786, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2791 attached
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2791] set_robust_list(0x55557716c6a0, 24) = 0
[pid  2791] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2791
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2792 attached
 <unfinished ...>
[pid  2791] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2792] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2791] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2792
[pid   312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2792] <... set_robust_list resumed>) = 0
[pid  2792] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2792] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2792] setpgid(0, 0)               = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2793 attached
[pid  2792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2791] <... prctl resumed>)        = 0
[pid  2791] setpgid(0, 0 <unfinished ...>
[pid  2793] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2792] <... openat resumed>)       = 3
[pid  2791] <... setpgid resumed>)      = 0
[pid  2793] <... set_robust_list resumed>) = 0
[pid  2791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2793
[pid  2793] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2792] write(3, "1000", 4 <unfinished ...>
[pid  2793] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2792] <... write resumed>)        = 4
[pid  2791] <... openat resumed>)       = 3
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2793] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2792] close(3)                    = 0
[pid  2793] <... prctl resumed>)        = 0
[pid  2792] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  2793] setpgid(0, 0 <unfinished ...>
[pid  2792] <... write resumed>)        = 18
[pid  2793] <... setpgid resumed>)      = 0
[pid  2793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2792] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2793] <... openat resumed>)       = 3
[pid  2792] <... futex resumed>)        = 0
[pid  2791] write(3, "1000", 4 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2791] <... write resumed>)        = 4
[pid  2793] write(3, "1000", 4 <unfinished ...>
[pid  2792] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2793] <... write resumed>)        = 4
[pid  2792] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2791] close(3 <unfinished ...>
[pid  2793] close(3 <unfinished ...>
[pid  2792] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2791] <... close resumed>)        = 0
[pid  2793] <... close resumed>)        = 0
[pid  2792] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2793] write(1, "executing program\n", 18 <unfinished ...>
[pid  2792] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2791] write(1, "executing program\n", 18 <unfinished ...>
[pid  2793] <... write resumed>)        = 18
executing program
executing program
[pid  2792] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2791] <... write resumed>)        = 18
[pid  2793] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2793] <... futex resumed>)        = 0
[pid  2792] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2793] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2792] <... mprotect resumed>)     = 0
[pid  2791] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2791] <... futex resumed>)        = 0
[pid  2793] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2792] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2793] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2792] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2793] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2792] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2795 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2794 attached
 <unfinished ...>
[pid  2793] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2791] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2795] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2794] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2793] <... mmap resumed>)         = 0x7fb4de009000
[pid  2791] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2791] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2794] <... set_robust_list resumed>) = 0
[pid  2791] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2794
[pid  2791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2791] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2794] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2791] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2795] <... set_robust_list resumed>) = 0
[pid  2793] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2791] <... mprotect resumed>)     = 0
[pid  2795] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2793] <... mprotect resumed>)     = 0
[pid  2792] <... clone3 resumed> => {parent_tid=[2795]}, 88) = 2795
[pid  2795] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2794] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2793] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2792] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2791] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2795] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2794] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2793] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2792] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2791] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2793] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2792] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2795] <... futex resumed>)        = 0
[pid  2794] <... prctl resumed>)        = 0
[pid  2792] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 2797 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2796 attached
[pid  2795] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2794] setpgid(0, 0 <unfinished ...>
[pid  2793] <... clone3 resumed> => {parent_tid=[2796]}, 88) = 2796
[pid  2792] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2797] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2796] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2795] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2794] <... setpgid resumed>)      = 0
[pid  2793] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2791] <... clone3 resumed> => {parent_tid=[2797]}, 88) = 2797
[pid  2797] <... set_robust_list resumed>) = 0
[pid  2796] <... set_robust_list resumed>) = 0
[pid  2795] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2793] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2791] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2797] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2795] <... futex resumed>)        = 1
[pid  2793] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2792] <... futex resumed>)        = 0
[pid  2796] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2791] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2797] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2795] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2793] <... futex resumed>)        = 0
[pid  2792] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2791] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2797] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2795] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2793] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2792] <... futex resumed>)        = 0
[pid  2797] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2795] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2792] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2797] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2796] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2795] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2794] <... openat resumed>)       = 3
[pid  2791] <... futex resumed>)        = 0
[pid  2797] <... futex resumed>)        = 0
[pid  2796] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2797] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2791] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2795] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2792] <... futex resumed>)        = 0
[pid  2794] write(3, "1000", 4 <unfinished ...>
[pid  2791] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2795] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2792] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2791] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2795] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2794] <... write resumed>)        = 4
[pid  2792] <... futex resumed>)        = 0
[pid  2795] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2792] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2797] <... futex resumed>)        = 0
[pid  2796] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2795] <... openat resumed>)       = 3
[pid  2794] close(3 <unfinished ...>
[pid  2791] <... futex resumed>)        = 1
[pid  2797] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2796] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2795] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2797] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2796] <... futex resumed>)        = 1
[pid  2795] <... futex resumed>)        = 1
[pid  2794] <... close resumed>)        = 0
[pid  2793] <... futex resumed>)        = 0
[pid  2792] <... futex resumed>)        = 0
[pid  2791] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2797] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2796] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2795] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2794] write(1, "executing program\n", 18 <unfinished ...>
[pid  2793] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2792] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2791] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
executing program
[pid  2797] <... futex resumed>)        = 0
[pid  2796] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2795] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2794] <... write resumed>)        = 18
[pid  2793] <... futex resumed>)        = 0
[pid  2792] <... futex resumed>)        = 0
[pid  2791] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2797] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2796] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2795] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2794] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2793] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2792] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2797] <... openat resumed>)       = 3
[pid  2796] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2795] <... write resumed>)        = 2
[pid  2794] <... futex resumed>)        = 0
[pid  2791] <... futex resumed>)        = 0
[pid  2797] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2796] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2794] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2791] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2794] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2791] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2796] <... futex resumed>)        = 1
[pid  2794] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2791] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2797] <... futex resumed>)        = 0
[pid  2795] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2793] <... futex resumed>)        = 0
[pid  2797] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2796] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2795] <... futex resumed>)        = 1
[pid  2794] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2793] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2792] <... futex resumed>)        = 0
[pid  2791] <... futex resumed>)        = 0
[pid  2797] <... write resumed>)        = 2
[pid  2796] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2795] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2793] <... futex resumed>)        = 0
[pid  2792] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2791] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2797] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2796] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2795] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2794] <... mmap resumed>)         = 0x7fb4de009000
[pid  2793] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2792] <... futex resumed>)        = 0
[pid  2791] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2797] <... futex resumed>)        = 0
[pid  2796] <... openat resumed>)       = 3
[pid  2795] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2794] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2792] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2791] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2797] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2795] <... openat resumed>)       = 4
[pid  2791] <... futex resumed>)        = 0
[pid  2797] <... openat resumed>)       = 4
[pid  2796] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2794] <... mprotect resumed>)     = 0
[pid  2791] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2797] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2796] <... futex resumed>)        = 1
[pid  2795] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2793] <... futex resumed>)        = 0
[pid  2797] <... futex resumed>)        = 0
[pid  2795] <... futex resumed>)        = 1
[pid  2793] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2792] <... futex resumed>)        = 0
[pid  2797] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2795] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2793] <... futex resumed>)        = 0
[pid  2792] exit_group(0 <unfinished ...>
[pid  2796] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2793] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2791] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2796] <... write resumed>)        = 2
[pid  2795] <... futex resumed>)        = ?
[pid  2794] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2792] <... exit_group resumed>)   = ?
[pid  2796] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2795] +++ exited with 0 +++
[pid  2794] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2792] +++ exited with 0 +++
[pid  2791] exit_group(0 <unfinished ...>
[pid  2797] <... futex resumed>)        = ?
[pid  2796] <... futex resumed>)        = 1
[pid  2794] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2793] <... futex resumed>)        = 0
[pid  2791] <... exit_group resumed>)   = ?
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2792, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2797] +++ exited with 0 +++
[pid  2796] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2793] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 2798 attached
 <unfinished ...>
[pid  2796] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2793] <... futex resumed>)        = 0
[pid  2798] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2796] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2794] <... clone3 resumed> => {parent_tid=[2798]}, 88) = 2798
[pid  2793] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2798] <... set_robust_list resumed>) = 0
[pid  2796] <... openat resumed>)       = 4
[pid  2798] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2794] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2798] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2796] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2794] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2798] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2796] <... futex resumed>)        = 1
[pid  2793] <... futex resumed>)        = 0
[pid  2794] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2793] exit_group(0)               = ?
[pid  2798] <... futex resumed>)        = 0
[pid  2794] <... futex resumed>)        = 1
[pid  2798] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2794] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2798] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2798] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2794] <... futex resumed>)        = 0
[pid  2798] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2794] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2798] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2794] <... futex resumed>)        = 0
[pid  2798] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2794] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2798] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2798] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2794] <... futex resumed>)        = 0
[pid  2794] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2794] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2798] <... futex resumed>)        = 1
[pid  2798] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  2798] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2796] +++ exited with 0 +++
[pid  2793] +++ exited with 0 +++
[pid  2794] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2793, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2798] <... futex resumed>)        = 1
[pid  2794] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2798] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2794] <... futex resumed>)        = 0
[pid  2791] +++ exited with 0 +++
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2798] <... write resumed>)        = 2
[pid  2794] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2791, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2798] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2798] <... futex resumed>)        = 1
[pid  2794] <... futex resumed>)        = 0
[pid  2798] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2794] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2798] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2794] <... futex resumed>)        = 0
[pid  2798] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2794] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2798] <... openat resumed>)       = 4
[pid  2798] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2794] <... futex resumed>)        = 0
[pid  2794] exit_group(0)               = ?
[pid  2798] <... futex resumed>)        = ?
[pid  2798] +++ exited with 0 +++
[pid  2794] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2794, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2799 attached
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2799] set_robust_list(0x55557716c6a0, 24) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2799
ci2-android-6-12-rust/strace-static-x86_64: Process 2800 attached
[pid  2799] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2800] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2799] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2800] <... set_robust_list resumed>) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2800
[pid  2800] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2799] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2799] <... prctl resumed>)        = 0
[pid  2800] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2799] setpgid(0, 0 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2800] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2800] setpgid(0, 0)               = 0
[pid  2800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2799] <... setpgid resumed>)      = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  2800] <... openat resumed>)       = 3
[pid  2800] write(3, "1000", 4 <unfinished ...>
[pid  2799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2800] <... write resumed>)        = 4
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2799] <... openat resumed>)       = 3
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2799] write(3, "1000", 4 <unfinished ...>
[pid  2800] close(3)                    = 0
[pid  2800] write(1, "executing program\n", 18) = 18
[pid  2800] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2800] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2799] <... write resumed>)        = 4
executing program
ci2-android-6-12-rust/strace-static-x86_64: Process 2801 attached
[pid  2800] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2801] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2800] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2801] <... set_robust_list resumed>) = 0
[pid  2800] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2801] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2801] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2801] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2800] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2799] close(3 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2801
[pid  2801] <... prctl resumed>)        = 0
[pid  2800] <... mprotect resumed>)     = 0
[pid  2799] <... close resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2801] setpgid(0, 0 <unfinished ...>
[pid  2800] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2799] write(1, "executing program\n", 18 <unfinished ...>
[pid  2801] <... setpgid resumed>)      = 0
[pid  2799] <... write resumed>)        = 18
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2799] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2799] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2799] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2800] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2801] <... openat resumed>)       = 3
[pid  2800] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2803 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2802 attached
 <unfinished ...>
[pid  2801] write(3, "1000", 4 <unfinished ...>
[pid  2799] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2803] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2801] <... write resumed>)        = 4
[pid  2800] <... clone3 resumed> => {parent_tid=[2803]}, 88) = 2803
[pid  2803] <... set_robust_list resumed>) = 0
[pid  2801] close(3 <unfinished ...>
[pid  2800] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2803] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2801] <... close resumed>)        = 0
[pid  2800] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2803] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2801] write(1, "executing program\n", 18 <unfinished ...>
[pid  2800] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2803] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2801] <... write resumed>)        = 18
[pid  2799] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
executing program
[pid  2802] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2799] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2802
[pid  2802] <... set_robust_list resumed>) = 0
[pid  2799] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2803] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2802] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2801] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2800] <... futex resumed>)        = 0
[pid  2799] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2803] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2802] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2801] <... futex resumed>)        = 0
[pid  2800] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2799] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2803] <... futex resumed>)        = 0
[pid  2802] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2801] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2800] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2803] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2802] <... prctl resumed>)        = 0
[pid  2801] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2800] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2799] <... mprotect resumed>)     = 0
[pid  2803] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2802] setpgid(0, 0 <unfinished ...>
[pid  2801] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2800] <... futex resumed>)        = 0
[pid  2803] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2802] <... setpgid resumed>)      = 0
[pid  2801] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2800] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2799] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2803] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2801] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2803] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2801] <... mmap resumed>)         = 0x7fb4de009000
[pid  2799] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2803] <... futex resumed>)        = 1
[pid  2801] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2800] <... futex resumed>)        = 0
[pid  2803] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2802] <... openat resumed>)       = 3
[pid  2801] <... mprotect resumed>)     = 0
[pid  2800] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2799] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2803] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2802] write(3, "1000", 4 <unfinished ...>
[pid  2800] <... futex resumed>)        = 0
[pid  2803] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2801] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2800] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2804 attached
 <unfinished ...>
[pid  2803] <... openat resumed>)       = 3
[pid  2802] <... write resumed>)        = 4
[pid  2801] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2804] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2803] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2802] close(3 <unfinished ...>
[pid  2803] <... futex resumed>)        = 1
[pid  2802] <... close resumed>)        = 0
[pid  2804] <... set_robust_list resumed>) = 0
[pid  2801] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2800] <... futex resumed>)        = 0
[pid  2799] <... clone3 resumed> => {parent_tid=[2804]}, 88) = 2804
ci2-android-6-12-rust/strace-static-x86_64: Process 2805 attached
[pid  2804] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2803] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2802] write(1, "executing program\n", 18 <unfinished ...>
[pid  2800] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2799] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2803] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2802] <... write resumed>)        = 18
[pid  2805] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2804] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2799] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  2805] <... set_robust_list resumed>) = 0
[pid  2804] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2802] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2799] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2805] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2804] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2803] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2801] <... clone3 resumed> => {parent_tid=[2805]}, 88) = 2805
[pid  2802] <... futex resumed>)        = 0
[pid  2800] <... futex resumed>)        = 0
[pid  2799] <... futex resumed>)        = 0
[pid  2805] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2804] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2803] <... write resumed>)        = 2
[pid  2801] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2800] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2805] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2804] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2803] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2802] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2801] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2800] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2799] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2804] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2803] <... futex resumed>)        = 0
[pid  2802] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2801] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2800] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2799] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2805] <... futex resumed>)        = 0
[pid  2804] <... futex resumed>)        = 0
[pid  2803] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2802] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2801] <... futex resumed>)        = 1
[pid  2800] <... futex resumed>)        = 0
[pid  2799] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2805] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2804] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2803] <... openat resumed>)       = 4
[pid  2802] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2801] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2800] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2799] <... futex resumed>)        = 0
[pid  2805] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2804] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2803] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2802] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2799] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2804] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2802] <... mmap resumed>)         = 0x7fb4de009000
[pid  2804] <... futex resumed>)        = 0
[pid  2799] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2804] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2802] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2804] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2799] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2804] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2802] <... mprotect resumed>)     = 0
[pid  2799] <... futex resumed>)        = 0
[pid  2805] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2804] <... openat resumed>)       = 3
[pid  2803] <... futex resumed>)        = 1
[pid  2802] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2800] <... futex resumed>)        = 0
[pid  2799] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2805] <... futex resumed>)        = 1
[pid  2803] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2801] <... futex resumed>)        = 0
[pid  2800] exit_group(0 <unfinished ...>
[pid  2805] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2804] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2803] <... futex resumed>)        = ?
[pid  2802] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2801] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2800] <... exit_group resumed>)   = ?
[pid  2799] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2805] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2804] <... futex resumed>)        = 0
[pid  2803] +++ exited with 0 +++
[pid  2802] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2801] <... futex resumed>)        = 0
[pid  2800] +++ exited with 0 +++
[pid  2799] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2805] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2804] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2801] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2806 attached
 <unfinished ...>
[pid  2805] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2804] <... write resumed>)        = 2
[pid  2799] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2800, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2806] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2805] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2804] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2799] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2806] <... set_robust_list resumed>) = 0
[pid  2805] <... futex resumed>)        = 1
[pid  2801] <... futex resumed>)        = 0
[pid  2799] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2804] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2802] <... clone3 resumed> => {parent_tid=[2806]}, 88) = 2806
[pid  2806] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2805] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2804] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2801] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2799] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2806] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2805] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2804] <... openat resumed>)       = 4
[pid  2802] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2801] <... futex resumed>)        = 0
[pid  2799] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2806] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2805] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2804] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2802] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2801] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2799] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2807 attached
 <unfinished ...>
[pid  2804] <... futex resumed>)        = 0
[pid  2802] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2799] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2804] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2802] <... futex resumed>)        = 1
[pid  2799] exit_group(0 <unfinished ...>
[pid  2806] <... futex resumed>)        = 0
[pid  2805] <... openat resumed>)       = 3
[pid  2804] <... futex resumed>)        = ?
[pid  2802] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2799] <... exit_group resumed>)   = ?
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2807
[pid  2806] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2805] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2807] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2806] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2805] <... futex resumed>)        = 1
[pid  2804] +++ exited with 0 +++
[pid  2801] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2806] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2805] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2801] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2807] <... set_robust_list resumed>) = 0
[pid  2806] <... futex resumed>)        = 1
[pid  2805] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2802] <... futex resumed>)        = 0
[pid  2801] <... futex resumed>)        = 0
[pid  2806] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2805] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2801] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2805] <... write resumed>)        = 2
[pid  2805] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2801] <... futex resumed>)        = 0
[pid  2805] <... futex resumed>)        = 1
[pid  2801] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2799] +++ exited with 0 +++
[pid  2802] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2807] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2806] <... futex resumed>)        = 0
[pid  2805] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2802] <... futex resumed>)        = 1
[pid  2801] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2799, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2807] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2806] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2805] <... openat resumed>)       = 4
[pid  2802] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2801] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2807] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2806] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2806] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2805] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2806] <... futex resumed>)        = 1
[pid  2805] <... futex resumed>)        = 1
[pid  2801] <... futex resumed>)        = 0
[pid  2807] <... prctl resumed>)        = 0
[pid  2806] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2805] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2802] <... futex resumed>)        = 0
[pid  2801] exit_group(0 <unfinished ...>
[pid  2807] setpgid(0, 0 <unfinished ...>
[pid  2805] <... futex resumed>)        = ?
[pid  2802] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2801] <... exit_group resumed>)   = ?
[pid  2807] <... setpgid resumed>)      = 0
[pid  2806] <... futex resumed>)        = 0
[pid  2805] +++ exited with 0 +++
[pid  2802] <... futex resumed>)        = 1
[pid  2801] +++ exited with 0 +++
[pid  2806] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2802] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2806] <... openat resumed>)       = 3
[pid  2806] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2806] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2801, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2802] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2807] <... openat resumed>)       = 3
[pid  2802] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2806] <... futex resumed>)        = 0
[pid  2802] <... futex resumed>)        = 1
[pid  2806] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2802] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2806] <... write resumed>)        = 2
[pid  2806] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2802] <... futex resumed>)        = 0
[pid  2806] <... futex resumed>)        = 1
[pid  2802] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2806] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2802] <... futex resumed>)        = 0
[pid  2806] <... openat resumed>)       = 4
[pid  2802] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2806] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2802] <... futex resumed>)        = 0
[pid  2806] <... futex resumed>)        = 1
[pid  2802] exit_group(0 <unfinished ...>
[pid  2806] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid  2802] <... exit_group resumed>)   = ?
[pid  2807] write(3, "1000", 4 <unfinished ...>
[pid  2806] +++ exited with 0 +++
[pid  2802] +++ exited with 0 +++
[pid  2807] <... write resumed>)        = 4
[pid  2807] close(3 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2802, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2807] <... close resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
executing program
[pid  2807] write(1, "executing program\n", 18) = 18
[pid  2807] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2807] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2807] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2807] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2807] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2807] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2807] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} => {parent_tid=[2808]}, 88) = 2808
ci2-android-6-12-rust/strace-static-x86_64: Process 2808 attached
[pid  2807] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2807] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2808] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2807] <... futex resumed>)        = 0
[pid  2807] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2808] <... set_robust_list resumed>) = 0
[pid  2808] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2808] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2808] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2808] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2808] <... futex resumed>)        = 1
[pid  2807] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2808] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2807] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2808] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2807] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2809 attached
[pid  2808] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2807] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2808] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2808] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2807] <... futex resumed>)        = 0
[pid  2807] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2807] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2808] <... futex resumed>)        = 1
[pid  2808] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2809
[pid  2808] <... openat resumed>)       = 3
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2808] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2807] <... futex resumed>)        = 0
[pid  2808] <... futex resumed>)        = 1
[pid  2807] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2808] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2807] <... futex resumed>)        = 0
[pid  2809] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2808] <... write resumed>)        = 2
[pid  2807] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2808] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2807] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2809] <... set_robust_list resumed>) = 0
[pid  2808] <... futex resumed>)        = 0
[pid  2807] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2808] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2807] <... futex resumed>)        = 0
[pid  2809] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2808] <... openat resumed>)       = 4
[pid  2807] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2809] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2808] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2809] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2808] <... futex resumed>)        = 1
[pid  2807] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2809] <... prctl resumed>)        = 0
[pid  2808] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2807] exit_group(0 <unfinished ...>
[pid  2808] <... futex resumed>)        = ?
[pid  2807] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 2810 attached
[pid  2809] setpgid(0, 0 <unfinished ...>
[pid  2808] +++ exited with 0 +++
[pid  2807] +++ exited with 0 +++
[pid  2809] <... setpgid resumed>)      = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2810
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2807, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2810] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2810] <... set_robust_list resumed>) = 0
[pid  2810] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2809] <... openat resumed>)       = 3
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2809] write(3, "1000", 4 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2809] <... write resumed>)        = 4
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2810] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2810] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2810] setpgid(0, 0)               = 0
[pid  2810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2809] close(3ci2-android-6-12-rust/strace-static-x86_64: Process 2811 attached
 <unfinished ...>
[pid  2811] set_robust_list(0x55557716c6a0, 24) = 0
[pid  2810] write(3, "1000", 4 <unfinished ...>
[pid  2811] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2810] <... write resumed>)        = 4
[pid  2810] close(3 <unfinished ...>
[pid  2811] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2809] <... close resumed>)        = 0
[pid  2811] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2810] <... close resumed>)        = 0
[pid  2809] write(1, "executing program\n", 18 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2811
[pid  2811] <... prctl resumed>)        = 0
[pid  2810] write(1, "executing program\n", 18 <unfinished ...>
[pid  2811] setpgid(0, 0 <unfinished ...>
[pid  2810] <... write resumed>)        = 18
executing program
executing program
[pid  2811] <... setpgid resumed>)      = 0
[pid  2810] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2809] <... write resumed>)        = 18
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2810] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2811] <... openat resumed>)       = 3
[pid  2810] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2810] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2811] write(3, "1000", 4 <unfinished ...>
[pid  2810] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2811] <... write resumed>)        = 4
[pid  2810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2811] close(3)                    = 0
[pid  2810] <... mmap resumed>)         = 0x7fb4de009000
[pid  2811] write(1, "executing program\n", 18) = 18
executing program
[pid  2810] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2811] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2810] <... mprotect resumed>)     = 0
[pid  2811] <... futex resumed>)        = 0
[pid  2809] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2811] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2810] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2809] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2811] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2811] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2810] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2809] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2811] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2810] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2809] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 2812 attached
 <unfinished ...>
[pid  2811] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2809] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2811] <... mmap resumed>)         = 0x7fb4de009000
[pid  2809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2811] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2810] <... clone3 resumed> => {parent_tid=[2812]}, 88) = 2812
[pid  2812] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2811] <... mprotect resumed>)     = 0
[pid  2810] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2809] <... mmap resumed>)         = 0x7fb4de009000
[pid  2812] <... set_robust_list resumed>) = 0
[pid  2811] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2810] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2809] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2812] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2811] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2810] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2809] <... mprotect resumed>)     = 0
[pid  2812] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2811] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2810] <... futex resumed>)        = 0
[pid  2812] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2810] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2809] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2811] <... clone3 resumed> => {parent_tid=[2813]}, 88) = 2813
[pid  2811] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2811] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2811] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2813 attached
 <unfinished ...>
[pid  2813] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2813] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2813] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  2813] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2812] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2809] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2813] <... futex resumed>)        = 1
[pid  2811] <... futex resumed>)        = 0
[pid  2813] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2812] <... futex resumed>)        = 1
[pid  2811] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2810] <... futex resumed>)        = 0
[pid  2809] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2813] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2812] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2813] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2811] <... futex resumed>)        = 0
[pid  2810] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2814 attached
 <unfinished ...>
[pid  2813] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2812] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2811] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2810] <... futex resumed>)        = 0
[pid  2814] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2813] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2812] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2810] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2809] <... clone3 resumed> => {parent_tid=[2814]}, 88) = 2814
[pid  2814] <... set_robust_list resumed>) = 0
[pid  2813] <... futex resumed>)        = 1
[pid  2812] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2811] <... futex resumed>)        = 0
[pid  2809] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2814] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2813] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2812] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2811] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2809] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2814] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2813] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2812] <... futex resumed>)        = 1
[pid  2811] <... futex resumed>)        = 0
[pid  2810] <... futex resumed>)        = 0
[pid  2813] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2812] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2811] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2810] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2809] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2814] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2813] <... openat resumed>)       = 3
[pid  2812] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2810] <... futex resumed>)        = 0
[pid  2809] <... futex resumed>)        = 0
[pid  2813] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2810] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2814] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2813] <... futex resumed>)        = 1
[pid  2812] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2811] <... futex resumed>)        = 0
[pid  2809] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2814] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2812] <... openat resumed>)       = 3
[pid  2814] <... futex resumed>)        = 0
[pid  2812] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2809] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2813] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2811] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2810] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2814] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2813] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2812] <... futex resumed>)        = 0
[pid  2811] <... futex resumed>)        = 0
[pid  2810] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2809] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2814] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2813] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2812] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2811] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2810] <... futex resumed>)        = 0
[pid  2809] <... futex resumed>)        = 0
[pid  2814] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2813] <... write resumed>)        = 2
[pid  2812] <... write resumed>)        = 2
[pid  2810] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2809] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2814] <... futex resumed>)        = 0
[pid  2813] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2814] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2813] <... futex resumed>)        = 1
[pid  2812] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2811] <... futex resumed>)        = 0
[pid  2809] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2813] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2812] <... futex resumed>)        = 1
[pid  2811] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2810] <... futex resumed>)        = 0
[pid  2809] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2814] <... futex resumed>)        = 0
[pid  2813] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2812] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2811] <... futex resumed>)        = 0
[pid  2810] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2809] <... futex resumed>)        = 1
[pid  2814] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2813] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2812] <... openat resumed>)       = 4
[pid  2811] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2810] <... futex resumed>)        = 0
[pid  2809] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2814] <... openat resumed>)       = 3
[pid  2813] <... openat resumed>)       = 4
[pid  2812] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2810] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2814] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2813] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2812] <... futex resumed>)        = 0
[pid  2810] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2814] <... futex resumed>)        = 1
[pid  2813] <... futex resumed>)        = 1
[pid  2812] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2811] <... futex resumed>)        = 0
[pid  2810] exit_group(0 <unfinished ...>
[pid  2809] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2814] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2813] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2811] exit_group(0 <unfinished ...>
[pid  2814] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2813] <... futex resumed>)        = ?
[pid  2812] <... futex resumed>)        = ?
[pid  2811] <... exit_group resumed>)   = ?
[pid  2810] <... exit_group resumed>)   = ?
[pid  2809] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2815 attached
 <unfinished ...>
[pid  2814] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2813] +++ exited with 0 +++
[pid  2812] +++ exited with 0 +++
[pid  2811] +++ exited with 0 +++
[pid  2810] +++ exited with 0 +++
[pid  2809] <... futex resumed>)        = 0
[pid  2814] <... write resumed>)        = 2
[pid  2809] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2811, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2810, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2815] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2814] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2809] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2815
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2815] <... set_robust_list resumed>) = 0
[pid  2814] <... futex resumed>)        = 0
[pid  2809] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2814] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2809] <... futex resumed>)        = 0
[pid  2815] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2814] <... openat resumed>)       = 4
[pid  2809] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2815] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2814] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2814] <... futex resumed>)        = 1
[pid  2809] <... futex resumed>)        = 0
[pid  2815] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2814] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2815] <... prctl resumed>)        = 0
[pid  2809] exit_group(0 <unfinished ...>
[pid  2815] setpgid(0, 0 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2815] <... setpgid resumed>)      = 0
[pid  2814] <... futex resumed>)        = ?
[pid  2809] <... exit_group resumed>)   = ?
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2814] +++ exited with 0 +++
[pid  2815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2815] write(3, "1000", 4 <unfinished ...>
[pid  2809] +++ exited with 0 +++
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2815] <... write resumed>)        = 4
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2809, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2815] close(3 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 2816 attached
 <unfinished ...>
[pid  2815] <... close resumed>)        = 0
[pid  2816] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2815] write(1, "executing program\n", 18 <unfinished ...>
[pid  2816] <... set_robust_list resumed>) = 0
[pid  2815] <... write resumed>)        = 18
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2816
[pid  2815] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2816] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2816] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  2816] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2815] <... futex resumed>)        = 0
[pid  2816] <... prctl resumed>)        = 0
[pid  2815] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2816] setpgid(0, 0 <unfinished ...>
[pid  2815] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2816] <... setpgid resumed>)      = 0
[pid  2815] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2815] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2815] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2816] <... openat resumed>)       = 3
[pid  2815] <... mmap resumed>)         = 0x7fb4de009000
[pid  2816] write(3, "1000", 4)         = 4
[pid  2815] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2816] close(3 <unfinished ...>
[pid  2815] <... mprotect resumed>)     = 0
[pid  2816] <... close resumed>)        = 0
[pid  2816] write(1, "executing program\n", 18 <unfinished ...>
[pid  2815] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2816] <... write resumed>)        = 18
executing program
[pid  2816] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2815] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2816] <... futex resumed>)        = 0
[pid  2815] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2816] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}ci2-android-6-12-rust/strace-static-x86_64: Process 2817 attached
, NULL, 8) = 0
[pid  2815] <... clone3 resumed> => {parent_tid=[2817]}, 88) = 2817
[pid  2817] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2816] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2817] <... set_robust_list resumed>) = 0
[pid  2816] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2817] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2817] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2817] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2816] <... mmap resumed>)         = 0x7fb4de009000
[pid  2815] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2816] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2815] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  2816] <... mprotect resumed>)     = 0
[pid  2815] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2817] <... futex resumed>)        = 0
[pid  2816] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2815] <... futex resumed>)        = 1
[pid  2817] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2816] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2815] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2817] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2816] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2817] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2818 attached
[pid  2817] <... futex resumed>)        = 1
[pid  2815] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2818] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2817] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2816] <... clone3 resumed> => {parent_tid=[2818]}, 88) = 2818
[pid  2815] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2819 attached
 <unfinished ...>
[pid  2818] <... set_robust_list resumed>) = 0
[pid  2817] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2816] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2819] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2818] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2817] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2816] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2819] <... set_robust_list resumed>) = 0
[pid  2818] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2817] <... futex resumed>)        = 0
[pid  2816] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2819] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2818] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2817] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2816] <... futex resumed>)        = 0
[pid  2815] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2819
[pid  2819] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2818] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2816] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2815] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2819] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2818] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2816] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2815] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2819] <... prctl resumed>)        = 0
[pid  2818] <... futex resumed>)        = 0
[pid  2816] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2815] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2819] setpgid(0, 0 <unfinished ...>
[pid  2818] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2817] <... futex resumed>)        = 0
[pid  2816] <... futex resumed>)        = 0
[pid  2815] <... futex resumed>)        = 1
[pid  2819] <... setpgid resumed>)      = 0
[pid  2818] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2817] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2816] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2815] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2818] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2817] <... openat resumed>)       = 3
[pid  2818] <... futex resumed>)        = 1
[pid  2819] <... openat resumed>)       = 3
[pid  2817] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2816] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2819] write(3, "1000", 4 <unfinished ...>
[pid  2818] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2817] <... futex resumed>)        = 1
[pid  2816] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2815] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2819] <... write resumed>)        = 4
[pid  2817] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2816] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2819] close(3 <unfinished ...>
[pid  2816] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2818] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2815] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2818] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2815] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 2820 attached
[pid  2819] <... close resumed>)        = 0
[pid  2818] <... openat resumed>)       = 3
[pid  2817] <... futex resumed>)        = 0
[pid  2815] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2820] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2819] write(1, "executing program\n", 18 <unfinished ...>
[pid  2818] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2817] write(3, "\x38\x00", 2 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2820
[pid  2820] <... set_robust_list resumed>) = 0
[pid  2819] <... write resumed>)        = 18
[pid  2818] <... futex resumed>)        = 1
executing program
[pid  2817] <... write resumed>)        = 2
[pid  2816] <... futex resumed>)        = 0
[pid  2820] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2819] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2818] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2817] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2820] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2819] <... futex resumed>)        = 0
[pid  2818] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2816] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2820] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2819] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2818] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2817] <... futex resumed>)        = 1
[pid  2816] <... futex resumed>)        = 0
[pid  2815] <... futex resumed>)        = 0
[pid  2820] <... prctl resumed>)        = 0
[pid  2819] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2818] <... write resumed>)        = 2
[pid  2817] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2816] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2815] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2820] setpgid(0, 0 <unfinished ...>
[pid  2819] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2818] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2817] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2816] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2815] <... futex resumed>)        = 0
[pid  2820] <... setpgid resumed>)      = 0
[pid  2819] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2818] <... futex resumed>)        = 0
[pid  2817] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2816] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2815] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2819] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2818] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2817] <... openat resumed>)       = 4
[pid  2816] <... futex resumed>)        = 0
[pid  2820] <... openat resumed>)       = 3
[pid  2819] <... mmap resumed>)         = 0x7fb4de009000
[pid  2818] <... openat resumed>)       = 4
[pid  2817] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2816] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2820] write(3, "1000", 4 <unfinished ...>
[pid  2819] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2818] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2817] <... futex resumed>)        = 1
[pid  2816] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2815] <... futex resumed>)        = 0
[pid  2820] <... write resumed>)        = 4
[pid  2819] <... mprotect resumed>)     = 0
[pid  2818] <... futex resumed>)        = 0
[pid  2817] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2816] exit_group(0 <unfinished ...>
[pid  2815] exit_group(0 <unfinished ...>
[pid  2820] close(3 <unfinished ...>
[pid  2819] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2816] <... exit_group resumed>)   = ?
[pid  2820] <... close resumed>)        = 0
[pid  2819] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2820] write(1, "executing program\n", 18 <unfinished ...>
[pid  2819] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2820] <... write resumed>)        = 18
executing program
ci2-android-6-12-rust/strace-static-x86_64: Process 2821 attached
[pid  2820] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2817] <... futex resumed>)        = ?
[pid  2815] <... exit_group resumed>)   = ?
[pid  2821] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2820] <... futex resumed>)        = 0
[pid  2819] <... clone3 resumed> => {parent_tid=[2821]}, 88) = 2821
[pid  2818] +++ exited with 0 +++
[pid  2816] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2816, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2817] +++ exited with 0 +++
[pid  2820] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2819] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2815] +++ exited with 0 +++
[pid  2821] <... set_robust_list resumed>) = 0
[pid  2821] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2820] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2819] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2815, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2821] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2820] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2819] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2821] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2820] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2819] <... futex resumed>)        = 0
[pid  2821] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2819] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2821] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2820] <... mmap resumed>)         = 0x7fb4de009000
[pid  2819] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2821] <... futex resumed>)        = 0
[pid  2821] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2820] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2819] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2821] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2820] <... mprotect resumed>)     = 0
[pid  2819] <... futex resumed>)        = 0
[pid  2821] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2820] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2821] <... futex resumed>)        = 0
[pid  2820] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2819] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2821] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2820] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2819] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2819] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2822 attached
) = 1
[pid  2822] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2821] <... futex resumed>)        = 0
[pid  2820] <... clone3 resumed> => {parent_tid=[2822]}, 88) = 2822
[pid  2819] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2822] <... set_robust_list resumed>) = 0
[pid  2821] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2820] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2822] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2821] <... openat resumed>)       = 3
[pid  2820] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2822] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2821] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2820] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2822] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2821] <... futex resumed>)        = 1
[pid  2820] <... futex resumed>)        = 0
[pid  2819] <... futex resumed>)        = 0
[pid  2822] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2821] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2822] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2820] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2819] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2822] <... futex resumed>)        = 0
[pid  2820] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2821] <... futex resumed>)        = 0
[pid  2819] <... futex resumed>)        = 1
[pid  2822] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2821] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2820] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2819] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2822] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2821] <... write resumed>)        = 2
[pid  2820] <... futex resumed>)        = 0
[pid  2822] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2821] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2820] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2822] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2821] <... futex resumed>)        = 1
[pid  2819] <... futex resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  2822] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2821] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2819] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2822] <... futex resumed>)        = 1
[pid  2821] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2820] <... futex resumed>)        = 0
[pid  2819] <... futex resumed>)        = 0
[pid  2822] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2821] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2820] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2819] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2822] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2821] <... openat resumed>)       = 4
[pid  2820] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2822] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2821] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2820] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2823 attached
 <unfinished ...>
[pid  2822] <... openat resumed>)       = 3
[pid  2821] <... futex resumed>)        = 1
[pid  2819] <... futex resumed>)        = 0
[pid  2823] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2822] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2819] exit_group(0 <unfinished ...>
[pid  2823] <... set_robust_list resumed>) = 0
[pid  2821] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2820] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2823
[pid  2822] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2823] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2821] <... futex resumed>)        = ?
[pid  2819] <... exit_group resumed>)   = ?
[pid  2820] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2823] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2822] <... futex resumed>)        = 0
[pid  2821] +++ exited with 0 +++
[pid  2820] <... futex resumed>)        = 1
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2819] +++ exited with 0 +++
[pid  2823] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2822] write(3, "\x38\x00", 2 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2820] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2824 attached
 <unfinished ...>
[pid  2823] <... prctl resumed>)        = 0
[pid  2822] <... write resumed>)        = 2
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2819, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2824] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2823] setpgid(0, 0 <unfinished ...>
[pid  2822] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2824] <... set_robust_list resumed>) = 0
[pid  2823] <... setpgid resumed>)      = 0
[pid  2822] <... futex resumed>)        = 1
[pid  2820] <... futex resumed>)        = 0
[pid  2824] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2822] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2820] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2824
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2824] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2823] <... openat resumed>)       = 3
[pid  2822] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2820] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2824] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2823] write(3, "1000", 4 <unfinished ...>
[pid  2822] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2820] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2822] <... openat resumed>)       = 4
[pid  2824] <... prctl resumed>)        = 0
[pid  2823] <... write resumed>)        = 4
[pid  2824] setpgid(0, 0 <unfinished ...>
[pid  2822] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2823] close(3 <unfinished ...>
[pid  2824] <... setpgid resumed>)      = 0
[pid  2822] <... futex resumed>)        = 1
[pid  2820] <... futex resumed>)        = 0
[pid  2824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2823] <... close resumed>)        = 0
[pid  2822] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2820] exit_group(0 <unfinished ...>
[pid  2824] <... openat resumed>)       = 3
[pid  2823] write(1, "executing program\n", 18 <unfinished ...>
[pid  2824] write(3, "1000", 4 <unfinished ...>
[pid  2822] <... futex resumed>)        = ?
[pid  2820] <... exit_group resumed>)   = ?
[pid  2824] <... write resumed>)        = 4
[pid  2823] <... write resumed>)        = 18
[pid  2822] +++ exited with 0 +++
executing program
[pid  2824] close(3)                    = 0
[pid  2824] write(1, "executing program\n", 18) = 18
[pid  2824] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2820] +++ exited with 0 +++
[pid  2823] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2820, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2823] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2823] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2824] <... futex resumed>)        = 0
[pid  2823] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2824] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2823] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2824] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2823] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
executing program
[pid  2824] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2824] <... mmap resumed>)         = 0x7fb4de009000
[pid  2823] <... mmap resumed>)         = 0x7fb4de009000
[pid  2824] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2823] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2824] <... mprotect resumed>)     = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2824] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2823] <... mprotect resumed>)     = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2823] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2824] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2823] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2825 attached
[pid  2824] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2823] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2825] set_robust_list(0x55557716c6a0, 24ci2-android-6-12-rust/strace-static-x86_64: Process 2826 attached
) = 0
[pid  2825] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2827 attached
 <unfinished ...>
[pid  2826] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2825] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2823] <... clone3 resumed> => {parent_tid=[2826]}, 88) = 2826
[pid  2827] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2826] <... set_robust_list resumed>) = 0
[pid  2825] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2824] <... clone3 resumed> => {parent_tid=[2827]}, 88) = 2827
[pid  2823] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2825
[pid  2827] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2826] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2825] <... prctl resumed>)        = 0
[pid  2824] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2823] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2827] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2826] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2825] setpgid(0, 0 <unfinished ...>
[pid  2824] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2827] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2826] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2825] <... setpgid resumed>)      = 0
[pid  2824] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2823] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2827] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2826] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2824] <... futex resumed>)        = 0
[pid  2823] <... futex resumed>)        = 0
[pid  2827] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2826] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2825] <... openat resumed>)       = 3
[pid  2824] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2823] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2827] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2826] <... futex resumed>)        = 0
[pid  2825] write(3, "1000", 4 <unfinished ...>
[pid  2823] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2827] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2826] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2825] <... write resumed>)        = 4
[pid  2823] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2827] <... futex resumed>)        = 1
[pid  2826] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2825] close(3 <unfinished ...>
[pid  2823] <... futex resumed>)        = 0
[pid  2827] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2826] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2825] <... close resumed>)        = 0
[pid  2823] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2825] write(1, "executing program\n", 18 <unfinished ...>
[pid  2826] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2826] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2825] <... write resumed>)        = 18
executing program
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2825] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2824] <... futex resumed>)        = 0
[pid  2823] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2828 attached
[pid  2826] <... futex resumed>)        = 1
[pid  2825] <... futex resumed>)        = 0
[pid  2824] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2823] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2828] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2827] <... futex resumed>)        = 0
[pid  2826] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2825] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2824] <... futex resumed>)        = 1
[pid  2823] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2828
[pid  2828] <... set_robust_list resumed>) = 0
[pid  2827] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2826] <... openat resumed>)       = 3
[pid  2825] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2824] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2823] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2828] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2827] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2826] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2825] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2823] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2828] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2826] <... futex resumed>)        = 0
[pid  2825] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2823] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2828] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2827] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2826] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2823] <... futex resumed>)        = 0
[pid  2828] <... prctl resumed>)        = 0
[pid  2827] <... futex resumed>)        = 1
[pid  2826] <... write resumed>)        = 2
[pid  2825] <... mmap resumed>)         = 0x7fb4de009000
[pid  2824] <... futex resumed>)        = 0
[pid  2823] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2828] setpgid(0, 0 <unfinished ...>
[pid  2827] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2826] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2825] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2824] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2823] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2828] <... setpgid resumed>)      = 0
[pid  2827] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2826] <... futex resumed>)        = 0
[pid  2825] <... mprotect resumed>)     = 0
[pid  2824] <... futex resumed>)        = 0
[pid  2823] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2827] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2826] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2824] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2825] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2828] <... openat resumed>)       = 3
[pid  2827] <... openat resumed>)       = 3
[pid  2826] <... openat resumed>)       = 4
[pid  2823] <... futex resumed>)        = 0
[pid  2828] write(3, "1000", 4 <unfinished ...>
[pid  2827] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2826] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2825] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2823] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2828] <... write resumed>)        = 4
[pid  2827] <... futex resumed>)        = 1
[pid  2826] <... futex resumed>)        = 0
[pid  2825] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2824] <... futex resumed>)        = 0
[pid  2823] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2828] close(3 <unfinished ...>
[pid  2826] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 2829 attached
 <unfinished ...>
[pid  2827] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2824] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2823] exit_group(0 <unfinished ...>
[pid  2829] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2828] <... close resumed>)        = 0
[pid  2827] <... write resumed>)        = 2
[pid  2824] <... futex resumed>)        = 0
[pid  2829] <... set_robust_list resumed>) = 0
[pid  2828] write(1, "executing program\n", 18 <unfinished ...>
[pid  2827] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2826] <... futex resumed>)        = ?
[pid  2825] <... clone3 resumed> => {parent_tid=[2829]}, 88) = 2829
[pid  2824] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2823] <... exit_group resumed>)   = ?
[pid  2829] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2828] <... write resumed>)        = 18
[pid  2827] <... futex resumed>)        = 0
[pid  2826] +++ exited with 0 +++
[pid  2825] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2824] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2829] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2828] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2827] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
executing program
[pid  2824] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2827] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2824] <... futex resumed>)        = 0
[pid  2829] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2828] <... futex resumed>)        = 0
[pid  2827] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2825] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2824] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2823] +++ exited with 0 +++
[pid  2828] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2827] <... openat resumed>)       = 4
[pid  2825] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2823, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2829] <... futex resumed>)        = 0
[pid  2828] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2827] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2825] <... futex resumed>)        = 1
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2829] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2828] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2827] <... futex resumed>)        = 1
[pid  2825] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2824] <... futex resumed>)        = 0
[pid  2829] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2828] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2827] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2824] exit_group(0 <unfinished ...>
[pid  2829] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2827] <... futex resumed>)        = ?
[pid  2824] <... exit_group resumed>)   = ?
[pid  2829] <... futex resumed>)        = 1
[pid  2828] <... mmap resumed>)         = 0x7fb4de009000
[pid  2827] +++ exited with 0 +++
[pid  2825] <... futex resumed>)        = 0
[pid  2829] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2828] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2825] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2829] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2828] <... mprotect resumed>)     = 0
[pid  2825] <... futex resumed>)        = 0
[pid  2829] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  2828] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2825] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2824] +++ exited with 0 +++
[pid  2829] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2828] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2825] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2824, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2829] <... futex resumed>)        = 0
[pid  2828] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2825] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2829] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLYci2-android-6-12-rust/strace-static-x86_64: Process 2830 attached
 <unfinished ...>
[pid  2825] <... futex resumed>)        = 0
[pid  2829] <... openat resumed>)       = 3
[pid  2825] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2830] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2829] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2828] <... clone3 resumed> => {parent_tid=[2830]}, 88) = 2830
[pid  2830] <... set_robust_list resumed>) = 0
[pid  2829] <... futex resumed>)        = 0
[pid  2828] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2825] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2830] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2829] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2828] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2825] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2830] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2829] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2828] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2825] <... futex resumed>)        = 0
[pid  2830] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2829] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2825] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2830] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2829] <... write resumed>)        = 2
[pid  2828] <... futex resumed>)        = 0
[pid  2830] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2829] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2830] <... futex resumed>)        = 0
[pid  2828] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2830] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2829] <... futex resumed>)        = 1
[pid  2825] <... futex resumed>)        = 0
[pid  2828] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2829] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2825] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2829] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2828] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2825] <... futex resumed>)        = 0
[pid  2829] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2828] <... futex resumed>)        = 1
[pid  2830] <... futex resumed>)        = 0
[pid  2825] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2830] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2829] <... openat resumed>)       = 4
[pid  2828] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2830] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2829] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2830] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2829] <... futex resumed>)        = 1
[pid  2825] <... futex resumed>)        = 0
[pid  2830] <... futex resumed>)        = 1
[pid  2829] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2828] <... futex resumed>)        = 0
[pid  2825] exit_group(0 <unfinished ...>
[pid  2830] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2829] <... futex resumed>)        = ?
[pid  2828] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2825] <... exit_group resumed>)   = ?
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2830] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2829] +++ exited with 0 +++
[pid  2828] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2831 attached
 <unfinished ...>
[pid  2830] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2828] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2825] +++ exited with 0 +++
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2831] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2830] <... openat resumed>)       = 3
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2825, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2831
[pid  2831] <... set_robust_list resumed>) = 0
[pid  2830] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2832 attached
 <unfinished ...>
[pid  2831] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2830] <... futex resumed>)        = 1
[pid  2828] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2832] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2831] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2830] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2828] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2832] <... set_robust_list resumed>) = 0
[pid  2831] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2830] <... write resumed>)        = 2
[pid  2828] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2832
[pid  2832] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2831] <... prctl resumed>)        = 0
[pid  2830] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2828] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2832] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2831] setpgid(0, 0 <unfinished ...>
[pid  2830] <... futex resumed>)        = 0
[pid  2828] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2831] <... setpgid resumed>)      = 0
[pid  2832] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2830] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2828] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2832] <... prctl resumed>)        = 0
[pid  2830] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2828] <... futex resumed>)        = 0
[pid  2832] setpgid(0, 0)               = 0
[pid  2831] <... openat resumed>)       = 3
[pid  2830] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2828] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2831] write(3, "1000", 4 <unfinished ...>
[pid  2832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2831] <... write resumed>)        = 4
[pid  2830] <... openat resumed>)       = 4
[pid  2832] <... openat resumed>)       = 3
[pid  2831] close(3 <unfinished ...>
[pid  2830] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2832] write(3, "1000", 4 <unfinished ...>
[pid  2831] <... close resumed>)        = 0
[pid  2830] <... futex resumed>)        = 1
[pid  2828] <... futex resumed>)        = 0
[pid  2832] <... write resumed>)        = 4
[pid  2832] close(3)                    = 0
[pid  2831] write(1, "executing program\n", 18 <unfinished ...>
[pid  2830] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2828] exit_group(0 <unfinished ...>
[pid  2832] write(1, "executing program\n", 18) = 18
[pid  2831] <... write resumed>)        = 18
[pid  2830] <... futex resumed>)        = ?
[pid  2828] <... exit_group resumed>)   = ?
[pid  2832] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2830] +++ exited with 0 +++
[pid  2832] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2832] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2832] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2828] +++ exited with 0 +++
[pid  2832] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2831] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
executing program
executing program
[pid  2832] <... mprotect resumed>)     = 0
[pid  2831] <... futex resumed>)        = 0
[pid  2831] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2828, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2832] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2831] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2832] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2831] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2831] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2832] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2831] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2833 attached
 <unfinished ...>
[pid  2831] <... mmap resumed>)         = 0x7fb4de009000
ci2-android-6-12-rust/strace-static-x86_64: Process 2834 attached
[pid  2833] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2832] <... clone3 resumed> => {parent_tid=[2833]}, 88) = 2833
[pid  2831] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2834] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2833] <... set_robust_list resumed>) = 0
[pid  2834] <... set_robust_list resumed>) = 0
[pid  2831] <... mprotect resumed>)     = 0
[pid  2833] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2834] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2833] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2832] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2831] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2834
[pid  2834] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2833] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2832] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2831] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2834] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2832] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2831] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2834] <... prctl resumed>)        = 0
[pid  2833] <... futex resumed>)        = 0
[pid  2832] <... futex resumed>)        = 1
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2835 attached
[pid  2834] setpgid(0, 0 <unfinished ...>
[pid  2833] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2832] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2835] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2834] <... setpgid resumed>)      = 0
[pid  2833] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2831] <... clone3 resumed> => {parent_tid=[2835]}, 88) = 2835
[pid  2835] <... set_robust_list resumed>) = 0
[pid  2834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2833] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2831] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2835] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2833] <... futex resumed>)        = 1
[pid  2832] <... futex resumed>)        = 0
[pid  2834] <... openat resumed>)       = 3
[pid  2832] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2835] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2831] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2833] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2832] <... futex resumed>)        = 0
[pid  2835] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2832] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2831] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2835] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2834] write(3, "1000", 4 <unfinished ...>
[pid  2833] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   313] <... restart_syscall resumed>) = 0
[pid  2835] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2834] <... write resumed>)        = 4
[pid  2833] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2831] <... futex resumed>)        = 0
[pid  2835] <... futex resumed>)        = 0
[pid  2834] close(3 <unfinished ...>
[pid  2833] <... futex resumed>)        = 1
[pid  2831] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2835] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2834] <... close resumed>)        = 0
[pid  2833] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2832] <... futex resumed>)        = 0
[pid  2834] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  2832] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2831] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2834] <... write resumed>)        = 18
[pid  2833] <... futex resumed>)        = 0
[pid  2832] <... futex resumed>)        = 1
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2831] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2834] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2833] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2832] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2831] <... futex resumed>)        = 1
[pid  2835] <... futex resumed>)        = 0
[pid  2834] <... futex resumed>)        = 0
[pid  2833] <... openat resumed>)       = 3
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2835] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2834] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2833] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2831] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2835] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2834] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2833] <... futex resumed>)        = 1
[pid  2832] <... futex resumed>)        = 0
[pid  2835] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2834] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2833] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2832] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2836
[pid  2835] <... futex resumed>)        = 1
[pid  2834] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2833] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2832] <... futex resumed>)        = 0
[pid  2831] <... futex resumed>)        = 0
[pid  2835] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2833] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2832] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2831] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2835] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2833] <... write resumed>)        = 2
[pid  2831] <... futex resumed>)        = 0
[pid  2835] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2834] <... mmap resumed>)         = 0x7fb4de009000
[pid  2833] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2831] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2835] <... openat resumed>)       = 3
[pid  2834] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2833] <... futex resumed>)        = 1
[pid  2832] <... futex resumed>)        = 0
[pid  2835] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2833] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2832] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2835] <... futex resumed>)        = 1
[pid  2834] <... mprotect resumed>)     = 0
[pid  2833] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2832] <... futex resumed>)        = 0
[pid  2831] <... futex resumed>)        = 0
[pid  2835] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2834] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2833] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2832] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2834] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2831] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2836 attached
 <unfinished ...>
[pid  2835] <... futex resumed>)        = 0
[pid  2834] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2833] <... openat resumed>)       = 4
[pid  2831] <... futex resumed>)        = 1
[pid  2836] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2835] write(3, "\x38\x00", 2ci2-android-6-12-rust/strace-static-x86_64: Process 2837 attached
 <unfinished ...>
[pid  2836] <... set_robust_list resumed>) = 0
[pid  2835] <... write resumed>)        = 2
[pid  2833] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2831] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2834] <... clone3 resumed> => {parent_tid=[2837]}, 88) = 2837
[pid  2837] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2836] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2835] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2834] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2833] <... futex resumed>)        = 1
[pid  2832] <... futex resumed>)        = 0
[pid  2831] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2837] <... set_robust_list resumed>) = 0
[pid  2836] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2835] <... futex resumed>)        = 0
[pid  2834] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2831] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2837] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2832] exit_group(0 <unfinished ...>
[pid  2831] <... futex resumed>)        = 0
[pid  2837] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2836] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2835] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2834] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2831] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2837] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2836] <... prctl resumed>)        = 0
[pid  2834] <... futex resumed>)        = 0
[pid  2832] <... exit_group resumed>)   = ?
[pid  2837] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2836] setpgid(0, 0 <unfinished ...>
[pid  2835] <... openat resumed>)       = 4
[pid  2834] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2833] +++ exited with 0 +++
[pid  2837] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2837] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2836] <... setpgid resumed>)      = 0
[pid  2835] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2834] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2832] +++ exited with 0 +++
[pid  2836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2835] <... futex resumed>)        = 1
[pid  2834] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2831] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2832, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2837] <... futex resumed>)        = 0
[pid  2835] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2834] <... futex resumed>)        = 1
[pid  2831] exit_group(0 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2837] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2836] <... openat resumed>)       = 3
[pid  2835] <... futex resumed>)        = ?
[pid  2834] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2831] <... exit_group resumed>)   = ?
[pid  2837] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2836] write(3, "1000", 4 <unfinished ...>
[pid  2835] +++ exited with 0 +++
[pid  2837] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2837] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2831] +++ exited with 0 +++
[pid  2834] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2836] <... write resumed>)        = 4
[pid  2834] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2831, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2836] close(3 <unfinished ...>
[pid  2834] <... futex resumed>)        = 1
[pid  2836] <... close resumed>)        = 0
[pid  2834] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2836] write(1, "executing program\n", 18 <unfinished ...>
[pid  2837] <... futex resumed>)        = 0
[pid  2836] <... write resumed>)        = 18
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
executing program
[pid  2837] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  2836] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2837] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2836] <... futex resumed>)        = 0
[pid  2834] <... futex resumed>)        = 0
[pid  2837] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  2836] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2834] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2837] write(3, "\x38\x00", 2)     = 2
[pid  2836] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2834] <... futex resumed>)        = 0
[pid  2837] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2836] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2834] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2837] <... futex resumed>)        = 0
[pid  2836] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2834] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2836] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2837] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2836] <... mmap resumed>)         = 0x7fb4de009000
[pid  2834] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2837] <... openat resumed>)       = 4
[pid  2836] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2834] <... futex resumed>)        = 0
[pid  2837] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2836] <... mprotect resumed>)     = 0
[pid  2834] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2837] <... futex resumed>)        = 0
[pid  2837] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2836] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2834] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2836] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2836] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2834] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 2838 attached
 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2838] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2837] <... futex resumed>)        = ?
[pid  2836] <... clone3 resumed> => {parent_tid=[2838]}, 88) = 2838
[pid  2834] <... exit_group resumed>)   = ?
[pid  2838] <... set_robust_list resumed>) = 0
[pid  2837] +++ exited with 0 +++
[pid  2836] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2834] +++ exited with 0 +++
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2838] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2836] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2834, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 2839 attached
[pid  2838] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2836] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2836] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2839
[pid  2838] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2839] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2836] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2838] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2839] <... set_robust_list resumed>) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2839] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2838] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2839] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2839] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2838] <... futex resumed>)        = 1
[pid  2836] <... futex resumed>)        = 0
[pid  2838] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2836] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2839] <... prctl resumed>)        = 0
[pid  2839] setpgid(0, 0 <unfinished ...>
[pid  2838] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2836] <... futex resumed>)        = 0
[pid  2839] <... setpgid resumed>)      = 0
[pid  2838] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2836] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2838] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2839] write(3, "1000", 4 <unfinished ...>
[pid  2838] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2839] <... write resumed>)        = 4
[pid  2838] <... futex resumed>)        = 1
[pid  2836] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2840 attached
[pid  2839] close(3 <unfinished ...>
[pid  2838] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2836] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2840
[pid  2839] <... close resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2840] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2839] write(1, "executing program\n", 18 <unfinished ...>
[pid  2838] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2836] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  2840] <... set_robust_list resumed>) = 0
[pid  2839] <... write resumed>)        = 18
[pid  2838] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2836] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2840] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2839] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2838] <... openat resumed>)       = 3
[pid  2840] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2839] <... futex resumed>)        = 0
[pid  2838] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2839] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2840] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2838] <... futex resumed>)        = 1
[pid  2836] <... futex resumed>)        = 0
[pid  2838] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2839] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2838] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2836] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2840] <... prctl resumed>)        = 0
[pid  2839] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2838] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2839] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2840] setpgid(0, 0 <unfinished ...>
[pid  2839] <... mmap resumed>)         = 0x7fb4de009000
[pid  2838] <... write resumed>)        = 2
[pid  2836] <... futex resumed>)        = 0
[pid  2840] <... setpgid resumed>)      = 0
[pid  2838] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2839] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2838] <... futex resumed>)        = 0
[pid  2836] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2839] <... mprotect resumed>)     = 0
[pid  2839] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2838] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2836] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2839] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2836] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2839] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2841 attached
 <unfinished ...>
[pid  2841] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2840] <... openat resumed>)       = 3
[pid  2836] <... futex resumed>)        = 1
[pid  2838] <... futex resumed>)        = 0
[pid  2840] write(3, "1000", 4 <unfinished ...>
[pid  2836] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2838] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2841] <... set_robust_list resumed>) = 0
[pid  2840] <... write resumed>)        = 4
[pid  2839] <... clone3 resumed> => {parent_tid=[2841]}, 88) = 2841
[pid  2838] <... openat resumed>)       = 4
[pid  2841] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2839] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2838] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2841] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2839] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2841] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2838] <... futex resumed>)        = 1
[pid  2836] <... futex resumed>)        = 0
[pid  2839] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2841] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2838] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2839] <... futex resumed>)        = 0
[pid  2836] exit_group(0 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2839] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2841] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2838] <... futex resumed>)        = ?
[pid  2836] <... exit_group resumed>)   = ?
[pid  2840] close(3)                    = 0
[pid  2840] write(1, "executing program\n", 18) = 18
executing program
[pid  2840] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2840] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2841] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2840] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2838] +++ exited with 0 +++
[pid  2836] +++ exited with 0 +++
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2841] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2840] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2841] <... futex resumed>)        = 1
[pid  2840] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2839] <... futex resumed>)        = 0
[pid  2841] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2839] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2836, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2841] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2840] <... mmap resumed>)         = 0x7fb4de009000
[pid  2840] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITEci2-android-6-12-rust/strace-static-x86_64: Process 2842 attached
 <unfinished ...>
[pid  2841] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2840] <... mprotect resumed>)     = 0
[pid  2839] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2842] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2839] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2842] <... set_robust_list resumed>) = 0
[pid  2841] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2842
[pid  2842] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2841] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2840] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2842] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2841] <... futex resumed>)        = 1
[pid  2840] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2839] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2842] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2841] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2840] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2839] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2842] <... prctl resumed>)        = 0
[pid  2841] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2839] <... futex resumed>)        = 0
[pid  2842] setpgid(0, 0 <unfinished ...>
[pid  2841] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2839] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2842] <... setpgid resumed>)      = 0
[pid  2841] <... openat resumed>)       = 3
[pid  2842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2841] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2843 attached
 <unfinished ...>
[pid  2840] <... clone3 resumed> => {parent_tid=[2843]}, 88) = 2843
[pid  2840] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2840] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2840] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2842] <... openat resumed>)       = 3
[pid  2841] <... futex resumed>)        = 1
[pid  2843] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2841] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2843] <... set_robust_list resumed>) = 0
[pid  2839] <... futex resumed>)        = 0
[pid  2843] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2839] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2843] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2841] <... futex resumed>)        = 0
[pid  2839] <... futex resumed>)        = 1
[pid  2842] write(3, "1000", 4)         = 4
[pid  2842] close(3)                    = 0
[pid  2842] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  2841] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2839] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2843] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2842] <... write resumed>)        = 18
[pid  2841] <... write resumed>)        = 2
[pid   313] <... restart_syscall resumed>) = 0
[pid  2843] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2842] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2841] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2843] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2842] <... futex resumed>)        = 0
[pid  2841] <... futex resumed>)        = 1
[pid  2842] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2839] <... futex resumed>)        = 0
[pid  2843] <... futex resumed>)        = 1
[pid  2842] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2841] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2840] <... futex resumed>)        = 0
[pid  2839] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2843] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2842] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2841] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2840] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2839] <... futex resumed>)        = 0
[pid  2843] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2841] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2840] <... futex resumed>)        = 0
[pid  2839] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2843] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2842] <... mmap resumed>)         = 0x7fb4de009000
[pid  2840] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2843] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2842] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2842] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2844 attached
 <unfinished ...>
[pid  2841] <... openat resumed>)       = 4
ci2-android-6-12-rust/strace-static-x86_64: Process 2845 attached
[pid  2845] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2844] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2845] <... set_robust_list resumed>) = 0
[pid  2842] <... clone3 resumed> => {parent_tid=[2845]}, 88) = 2845
[pid  2845] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2844] <... set_robust_list resumed>) = 0
[pid  2842] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2845] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2844] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2843] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2842] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2841] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2844
[pid  2845] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2843] <... futex resumed>)        = 1
[pid  2841] <... futex resumed>)        = 1
[pid  2840] <... futex resumed>)        = 0
[pid  2839] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2845] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2844] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2843] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2842] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2841] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2840] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2845] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2844] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2843] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2842] <... futex resumed>)        = 0
[pid  2840] <... futex resumed>)        = 0
[pid  2839] exit_group(0 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2845] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2844] <... prctl resumed>)        = 0
[pid  2843] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2842] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2841] <... futex resumed>)        = ?
[pid  2840] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2839] <... exit_group resumed>)   = ?
[pid  2845] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2844] setpgid(0, 0 <unfinished ...>
[pid  2843] <... openat resumed>)       = 3
[pid  2842] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2845] <... futex resumed>)        = 0
[pid  2844] <... setpgid resumed>)      = 0
[pid  2842] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2841] +++ exited with 0 +++
[pid  2845] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2842] <... futex resumed>)        = 0
[pid  2845] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2842] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2839] +++ exited with 0 +++
[pid  2845] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2844] <... openat resumed>)       = 3
[pid  2843] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2842] <... futex resumed>)        = 0
[pid  2845] <... futex resumed>)        = 1
[pid  2844] write(3, "1000", 4 <unfinished ...>
[pid  2842] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2839, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2845] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2844] <... write resumed>)        = 4
[pid  2843] <... futex resumed>)        = 1
[pid  2842] <... futex resumed>)        = 0
[pid  2840] <... futex resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2845] <... openat resumed>)       = 3
[pid  2844] close(3 <unfinished ...>
[pid  2842] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2845] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2844] <... close resumed>)        = 0
[pid  2843] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2842] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2840] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2845] <... futex resumed>)        = 0
[pid  2844] write(1, "executing program\n", 18 <unfinished ...>
[pid  2843] <... write resumed>)        = 2
[pid  2842] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2840] <... futex resumed>)        = 0
[pid  2843] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2840] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2843] <... futex resumed>)        = 0
[pid  2840] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2845] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2844] <... write resumed>)        = 18
[pid  2842] <... futex resumed>)        = 0
[pid  2845] <... write resumed>)        = 2
executing program
[pid  2844] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2843] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2842] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2840] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2845] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2844] <... futex resumed>)        = 0
[pid  2843] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2842] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2845] <... futex resumed>)        = 0
[pid  2844] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2843] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2842] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2840] <... futex resumed>)        = 0
[pid  2845] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2844] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2842] <... futex resumed>)        = 0
[pid  2840] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2845] <... openat resumed>)       = 4
[pid  2844] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2843] <... openat resumed>)       = 4
[pid  2842] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2845] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2844] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2843] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2842] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2845] <... futex resumed>)        = 0
[pid  2844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2843] <... futex resumed>)        = 1
[pid  2842] exit_group(0 <unfinished ...>
[pid  2840] <... futex resumed>)        = 0
[pid  2844] <... mmap resumed>)         = 0x7fb4de009000
[pid  2842] <... exit_group resumed>)   = ?
[pid  2845] +++ exited with 0 +++
[pid  2843] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2842] +++ exited with 0 +++
[pid  2840] exit_group(0 <unfinished ...>
[pid  2844] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2840] <... exit_group resumed>)   = ?
[pid  2843] <... futex resumed>)        = ?
[pid  2844] <... mprotect resumed>)     = 0
[pid  2844] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2844] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2846 attached
 <unfinished ...>
[pid  2846] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2844] <... clone3 resumed> => {parent_tid=[2846]}, 88) = 2846
[pid  2846] <... set_robust_list resumed>) = 0
[pid  2844] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2846] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2844] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2846] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2844] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2843] +++ exited with 0 +++
[pid  2840] +++ exited with 0 +++
[pid  2846] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2844] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2840, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2844] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2846] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2846] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2844] <... futex resumed>)        = 0
[pid  2846] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2844] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2846] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2844] <... futex resumed>)        = 0
[pid  2846] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2844] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2846] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2846] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2842, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2846] <... futex resumed>)        = 1
[pid  2844] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2846] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2844] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2846] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2844] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  2846] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2844] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2846] <... openat resumed>)       = 3
[pid  2846] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2844] <... futex resumed>)        = 0
[pid  2846] <... futex resumed>)        = 1
[pid  2844] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2846] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2844] <... futex resumed>)        = 0
[pid  2846] <... write resumed>)        = 2
[pid  2844] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2846] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2844] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2846] <... futex resumed>)        = 0
[pid  2844] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2846] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2844] <... futex resumed>)        = 0
[pid  2846] <... openat resumed>)       = 4
ci2-android-6-12-rust/strace-static-x86_64: Process 2847 attached
[pid  2844] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2847
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2847] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2846] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2847] <... set_robust_list resumed>) = 0
[pid  2846] <... futex resumed>)        = 1
[pid  2844] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2847] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2846] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2844] exit_group(0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2848 attached
[pid  2847] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2848] set_robust_list(0x55557716c6a0, 24) = 0
[pid  2847] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2846] <... futex resumed>)        = ?
[pid  2844] <... exit_group resumed>)   = ?
[pid  2848] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2847] <... prctl resumed>)        = 0
[pid  2846] +++ exited with 0 +++
[pid  2844] +++ exited with 0 +++
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2848
[pid  2847] setpgid(0, 0)               = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2848] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2844, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2848] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2847] <... openat resumed>)       = 3
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2848] <... prctl resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2848] setpgid(0, 0 <unfinished ...>
[pid  2847] write(3, "1000", 4 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  2848] <... setpgid resumed>)      = 0
[pid  2847] <... write resumed>)        = 4
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2849 attached
 <unfinished ...>
[pid  2848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2847] close(3)                    = 0
[pid  2847] write(1, "executing program\n", 18 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2849
[pid  2847] <... write resumed>)        = 18
executing program
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2847] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2847] <... futex resumed>)        = 0
[pid  2847] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2847] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2848] <... openat resumed>)       = 3
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2849] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2848] write(3, "1000", 4 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2849] <... set_robust_list resumed>) = 0
[pid  2848] <... write resumed>)        = 4
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2847] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2847] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2850 attached
[pid  2849] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2848] close(3 <unfinished ...>
[pid  2847] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2849] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2848] <... close resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2851 attached
[pid  2850] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2851] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2850] <... set_robust_list resumed>) = 0
[pid  2847] <... clone3 resumed> => {parent_tid=[2851]}, 88) = 2851
[pid  2851] <... set_robust_list resumed>) = 0
[pid  2850] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2848] write(1, "executing program\n", 18 <unfinished ...>
[pid  2847] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2851] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2850] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  2849] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2848] <... write resumed>)        = 18
[pid  2847] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2850
[pid  2851] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2850] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2847] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2849] <... prctl resumed>)        = 0
[pid  2848] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2849] setpgid(0, 0 <unfinished ...>
[pid  2848] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2849] <... setpgid resumed>)      = 0
[pid  2848] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2851] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2850] <... prctl resumed>)        = 0
[pid  2848] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2847] <... futex resumed>)        = 0
[pid  2851] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2850] setpgid(0, 0 <unfinished ...>
[pid  2847] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2851] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2850] <... setpgid resumed>)      = 0
[pid  2847] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2851] <... futex resumed>)        = 0
[pid  2850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2847] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2851] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2850] <... openat resumed>)       = 3
[pid  2849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2848] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2847] <... futex resumed>)        = 0
[pid  2851] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2850] write(3, "1000", 4 <unfinished ...>
[pid  2848] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2847] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2851] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2850] <... write resumed>)        = 4
[pid  2849] <... openat resumed>)       = 3
[pid  2848] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2851] <... futex resumed>)        = 1
[pid  2850] close(3 <unfinished ...>
[pid  2847] <... futex resumed>)        = 0
[pid  2851] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2850] <... close resumed>)        = 0
[pid  2849] write(3, "1000", 4 <unfinished ...>
[pid  2848] <... mmap resumed>)         = 0x7fb4de009000
[pid  2847] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2851] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2850] write(1, "executing program\n", 18 <unfinished ...>
[pid  2849] <... write resumed>)        = 4
[pid  2848] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2847] <... futex resumed>)        = 0
[pid  2851] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2850] <... write resumed>)        = 18
executing program
[pid  2849] close(3 <unfinished ...>
[pid  2847] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2851] <... openat resumed>)       = 3
[pid  2850] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2849] <... close resumed>)        = 0
[pid  2848] <... mprotect resumed>)     = 0
[pid  2851] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2850] <... futex resumed>)        = 0
[pid  2848] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2847] <... futex resumed>)        = 0
[pid  2851] <... futex resumed>)        = 1
[pid  2850] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2849] write(1, "executing program\n", 18 <unfinished ...>
[pid  2848] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2847] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2851] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2850] <... rt_sigaction resumed>, NULL, 8) = 0
executing program
[pid  2849] <... write resumed>)        = 18
[pid  2848] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2847] <... futex resumed>)        = 0
[pid  2851] <... write resumed>)        = 2
[pid  2850] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2847] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2851] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2850] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2847] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 2852 attached
[pid  2851] <... futex resumed>)        = 0
[pid  2850] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2849] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2847] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2851] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2850] <... mmap resumed>)         = 0x7fb4de009000
[pid  2847] <... futex resumed>)        = 0
[pid  2852] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2851] <... openat resumed>)       = 4
[pid  2850] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2849] <... futex resumed>)        = 0
[pid  2847] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2852] <... set_robust_list resumed>) = 0
[pid  2851] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2850] <... mprotect resumed>)     = 0
[pid  2849] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2848] <... clone3 resumed> => {parent_tid=[2852]}, 88) = 2852
[pid  2852] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2851] <... futex resumed>)        = 1
[pid  2850] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2847] <... futex resumed>)        = 0
[pid  2852] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2851] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2850] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2849] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2848] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2852] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2848] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2848] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2852] <... futex resumed>)        = 0
[pid  2850] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2849] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2847] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 2853 attached
 <unfinished ...>
[pid  2852] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2851] <... futex resumed>)        = ?
[pid  2849] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2848] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2847] <... exit_group resumed>)   = ?
[pid  2853] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2852] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2851] +++ exited with 0 +++
[pid  2850] <... clone3 resumed> => {parent_tid=[2853]}, 88) = 2853
[pid  2849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2847] +++ exited with 0 +++
[pid  2853] <... set_robust_list resumed>) = 0
[pid  2852] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2850] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2849] <... mmap resumed>)         = 0x7fb4de009000
[pid  2853] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2852] <... futex resumed>)        = 1
[pid  2850] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2849] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2848] <... futex resumed>)        = 0
[pid  2853] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2852] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2850] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2849] <... mprotect resumed>)     = 0
[pid  2848] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2847, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2853] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2852] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2850] <... futex resumed>)        = 0
[pid  2849] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2848] <... futex resumed>)        = 0
[pid  2853] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2852] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2850] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2848] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2853] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2850] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2849] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2850] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2849] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2854 attached
 <unfinished ...>
[pid  2850] <... futex resumed>)        = 0
[pid  2854] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2850] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2849] <... clone3 resumed> => {parent_tid=[2854]}, 88) = 2854
[pid  2852] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2854] <... set_robust_list resumed>) = 0
[pid  2853] <... futex resumed>)        = 0
[pid  2852] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2849] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2854] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2853] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2852] <... futex resumed>)        = 1
[pid  2848] <... futex resumed>)        = 0
[pid  2852] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2848] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2852] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2848] <... futex resumed>)        = 0
[pid  2854] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2853] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2852] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2849] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2848] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2854] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2853] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2849] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2854] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2853] <... futex resumed>)        = 1
[pid  2852] <... openat resumed>)       = 3
[pid  2850] <... futex resumed>)        = 0
[pid  2849] <... futex resumed>)        = 0
[pid  2854] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2853] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2852] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2850] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2849] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2854] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2853] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2852] <... futex resumed>)        = 1
[pid  2850] <... futex resumed>)        = 0
[pid  2848] <... futex resumed>)        = 0
[pid  2854] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2853] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2852] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2850] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2854] <... futex resumed>)        = 1
[pid  2853] <... openat resumed>)       = 3
[pid  2852] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2849] <... futex resumed>)        = 0
[pid  2848] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2854] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2849] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2854] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2849] <... futex resumed>)        = 0
[pid  2854] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2849] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2854] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2854] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2849] <... futex resumed>)        = 0
[pid  2849] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2854] <... futex resumed>)        = 1
[pid  2849] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2854] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  2853] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2852] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2848] <... futex resumed>)        = 0
[pid  2854] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2848] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2854] <... futex resumed>)        = 1
[pid  2853] <... futex resumed>)        = 1
[pid  2852] <... write resumed>)        = 2
[pid  2850] <... futex resumed>)        = 0
[pid  2849] <... futex resumed>)        = 0
[pid  2854] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2853] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2852] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2850] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2849] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2854] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2853] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2850] <... futex resumed>)        = 0
[pid  2849] <... futex resumed>)        = 0
[pid  2854] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2853] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2852] <... futex resumed>)        = 1
[pid  2850] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2849] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2848] <... futex resumed>)        = 0
[pid  2854] <... write resumed>)        = 2
[pid  2853] <... write resumed>)        = 2
[pid  2852] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2854] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2849] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2854] <... futex resumed>)        = 0
[pid  2853] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2852] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2849] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2848] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2854] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2853] <... futex resumed>)        = 1
[pid  2852] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2850] <... futex resumed>)        = 0
[pid  2849] <... futex resumed>)        = 0
[pid  2848] <... futex resumed>)        = 0
[pid  2854] <... openat resumed>)       = 4
[pid  2853] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2850] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2849] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2852] <... openat resumed>)       = 4
[pid  2853] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2852] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2848] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2853] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2852] <... futex resumed>)        = 0
[pid  2848] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2854] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2853] <... openat resumed>)       = 4
[pid  2850] <... futex resumed>)        = 0
[pid  2854] <... futex resumed>)        = 1
[pid  2853] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2852] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2850] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2849] <... futex resumed>)        = 0
[pid  2848] exit_group(0 <unfinished ...>
[pid  2854] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2853] <... futex resumed>)        = 0
[pid  2850] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2849] exit_group(0 <unfinished ...>
[pid  2854] <... futex resumed>)        = ?
[pid  2853] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2852] <... futex resumed>)        = ?
[pid  2850] exit_group(0 <unfinished ...>
[pid  2849] <... exit_group resumed>)   = ?
[pid  2848] <... exit_group resumed>)   = ?
[pid  2854] +++ exited with 0 +++
[pid  2853] <... futex resumed>)        = ?
[pid  2852] +++ exited with 0 +++
[pid  2850] <... exit_group resumed>)   = ?
[pid  2849] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2849, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2848] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2848, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 2855 attached
[pid  2853] +++ exited with 0 +++
[pid  2850] +++ exited with 0 +++
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2855] set_robust_list(0x55557716c6a0, 24) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  2855] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2855
[pid  2855] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2850, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2855] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2855] <... prctl resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2855] setpgid(0, 0 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2856 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2857 attached
 <unfinished ...>
[pid  2855] <... setpgid resumed>)      = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2856] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2857] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2857] <... set_robust_list resumed>) = 0
[pid  2856] <... set_robust_list resumed>) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2856
[pid  2856] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2855] <... openat resumed>)       = 3
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2857
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2858 attached
[pid  2857] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2856] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2855] write(3, "1000", 4 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2857] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2858] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2856] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2855] <... write resumed>)        = 4
[pid  2858] <... set_robust_list resumed>) = 0
[pid  2855] close(3 <unfinished ...>
[pid  2858] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2857] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2855] <... close resumed>)        = 0
[pid  2858] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2857] <... prctl resumed>)        = 0
[pid  2856] <... prctl resumed>)        = 0
[pid  2855] write(1, "executing program\n", 18 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2858
executing program
[pid  2858] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2857] setpgid(0, 0 <unfinished ...>
[pid  2856] setpgid(0, 0 <unfinished ...>
[pid  2855] <... write resumed>)        = 18
[pid  2857] <... setpgid resumed>)      = 0
[pid  2856] <... setpgid resumed>)      = 0
[pid  2855] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2858] <... prctl resumed>)        = 0
[pid  2855] <... futex resumed>)        = 0
[pid  2858] setpgid(0, 0 <unfinished ...>
[pid  2855] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2858] <... setpgid resumed>)      = 0
[pid  2856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2855] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2855] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2858] <... openat resumed>)       = 3
[pid  2857] <... openat resumed>)       = 3
[pid  2855] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2857] write(3, "1000", 4 <unfinished ...>
[pid  2856] <... openat resumed>)       = 3
[pid  2855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2857] <... write resumed>)        = 4
[pid  2856] write(3, "1000", 4 <unfinished ...>
[pid  2857] close(3 <unfinished ...>
[pid  2856] <... write resumed>)        = 4
[pid  2857] <... close resumed>)        = 0
[pid  2856] close(3 <unfinished ...>
[pid  2857] write(1, "executing program\n", 18 <unfinished ...>
[pid  2856] <... close resumed>)        = 0
[pid  2857] <... write resumed>)        = 18
[pid  2856] write(1, "executing program\n", 18 <unfinished ...>
executing program
executing program
[pid  2858] write(3, "1000", 4 <unfinished ...>
[pid  2857] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2856] <... write resumed>)        = 18
[pid  2855] <... mmap resumed>)         = 0x7fb4de009000
[pid  2858] <... write resumed>)        = 4
[pid  2855] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2858] close(3 <unfinished ...>
[pid  2855] <... mprotect resumed>)     = 0
[pid  2858] <... close resumed>)        = 0
[pid  2857] <... futex resumed>)        = 0
[pid  2856] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2855] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2858] write(1, "executing program\n", 18 <unfinished ...>
[pid  2857] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2856] <... futex resumed>)        = 0
[pid  2855] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2858] <... write resumed>)        = 18
executing program
[pid  2855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2859 attached
 <unfinished ...>
[pid  2858] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2857] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2856] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2858] <... futex resumed>)        = 0
[pid  2856] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2855] <... clone3 resumed> => {parent_tid=[2859]}, 88) = 2859
[pid  2857] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2859] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2858] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2857] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2856] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2855] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2859] <... set_robust_list resumed>) = 0
[pid  2858] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2857] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2856] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2855] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2859] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2858] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2857] <... mmap resumed>)         = 0x7fb4de009000
[pid  2859] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2858] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2855] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2856] <... mmap resumed>)         = 0x7fb4de009000
[pid  2855] <... futex resumed>)        = 0
[pid  2858] <... mmap resumed>)         = 0x7fb4de009000
[pid  2857] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2855] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2858] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2858] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2860 attached
 <unfinished ...>
[pid  2859] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2856] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2860] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2859] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2857] <... mprotect resumed>)     = 0
[pid  2859] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2856] <... mprotect resumed>)     = 0
[pid  2857] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2860] <... set_robust_list resumed>) = 0
[pid  2858] <... clone3 resumed> => {parent_tid=[2860]}, 88) = 2860
[pid  2857] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2856] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2860] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2859] <... futex resumed>)        = 1
[pid  2858] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2857] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2856] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2855] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2861 attached
[pid  2860] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2859] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2858] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2856] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2855] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2861] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2860] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2859] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2858] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2857] <... clone3 resumed> => {parent_tid=[2861]}, 88) = 2861
[pid  2855] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2862 attached
[pid  2861] <... set_robust_list resumed>) = 0
[pid  2860] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2859] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2858] <... futex resumed>)        = 0
[pid  2857] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2862] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2861] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2860] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2858] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2855] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2862] <... set_robust_list resumed>) = 0
[pid  2861] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2860] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2859] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2857] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2856] <... clone3 resumed> => {parent_tid=[2862]}, 88) = 2862
[pid  2862] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2861] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2859] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2857] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2856] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2862] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2860] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2857] <... futex resumed>)        = 0
[pid  2856] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2861] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2859] <... futex resumed>)        = 1
[pid  2855] <... futex resumed>)        = 0
[pid  2862] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2861] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2860] <... futex resumed>)        = 1
[pid  2858] <... futex resumed>)        = 0
[pid  2859] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2857] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2856] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2855] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2862] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2861] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2860] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2859] <... openat resumed>)       = 3
[pid  2858] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2856] <... futex resumed>)        = 0
[pid  2855] <... futex resumed>)        = 0
[pid  2862] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2861] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2860] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2859] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2858] <... futex resumed>)        = 0
[pid  2856] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2862] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2861] <... futex resumed>)        = 1
[pid  2860] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2859] <... futex resumed>)        = 0
[pid  2858] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2857] <... futex resumed>)        = 0
[pid  2855] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2862] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2861] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2860] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2859] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2857] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2855] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2862] <... futex resumed>)        = 1
[pid  2861] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2860] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2857] <... futex resumed>)        = 0
[pid  2856] <... futex resumed>)        = 0
[pid  2855] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2862] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2861] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2860] <... futex resumed>)        = 1
[pid  2859] <... futex resumed>)        = 0
[pid  2858] <... futex resumed>)        = 0
[pid  2857] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2856] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2855] <... futex resumed>)        = 1
[pid  2862] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2861] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2860] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2858] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2856] <... futex resumed>)        = 0
[pid  2855] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2862] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2861] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2860] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2859] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2858] <... futex resumed>)        = 0
[pid  2856] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2862] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2861] <... futex resumed>)        = 1
[pid  2860] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2859] <... write resumed>)        = 2
[pid  2858] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2857] <... futex resumed>)        = 0
[pid  2862] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2861] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2860] <... openat resumed>)       = 3
[pid  2859] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2857] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2862] <... futex resumed>)        = 1
[pid  2861] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2859] <... futex resumed>)        = 1
[pid  2857] <... futex resumed>)        = 0
[pid  2856] <... futex resumed>)        = 0
[pid  2862] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2861] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2860] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2859] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2857] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2856] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2855] <... futex resumed>)        = 0
[pid  2862] <... openat resumed>)       = 3
[pid  2860] <... futex resumed>)        = 1
[pid  2858] <... futex resumed>)        = 0
[pid  2856] <... futex resumed>)        = 0
[pid  2855] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2862] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2860] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2859] <... futex resumed>)        = 0
[pid  2858] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2861] <... openat resumed>)       = 3
[pid  2855] <... futex resumed>)        = 1
[pid  2856] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2862] <... futex resumed>)        = 0
[pid  2861] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2860] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2859] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2858] <... futex resumed>)        = 0
[pid  2856] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2855] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2862] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2861] <... futex resumed>)        = 1
[pid  2860] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2858] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2857] <... futex resumed>)        = 0
[pid  2856] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2862] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2861] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2860] <... write resumed>)        = 2
[pid  2859] <... openat resumed>)       = 4
[pid  2857] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2856] <... futex resumed>)        = 0
[pid  2861] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2859] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2857] <... futex resumed>)        = 0
[pid  2856] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2862] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2861] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2860] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2859] <... futex resumed>)        = 1
[pid  2857] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2855] <... futex resumed>)        = 0
[pid  2862] <... write resumed>)        = 2
[pid  2861] <... write resumed>)        = 2
[pid  2860] <... futex resumed>)        = 1
[pid  2859] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2858] <... futex resumed>)        = 0
[pid  2855] exit_group(0 <unfinished ...>
[pid  2862] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2861] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2860] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2859] <... futex resumed>)        = ?
[pid  2858] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2855] <... exit_group resumed>)   = ?
[pid  2862] <... futex resumed>)        = 1
[pid  2861] <... futex resumed>)        = 1
[pid  2860] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2859] +++ exited with 0 +++
[pid  2858] <... futex resumed>)        = 0
[pid  2857] <... futex resumed>)        = 0
[pid  2856] <... futex resumed>)        = 0
[pid  2855] +++ exited with 0 +++
[pid  2862] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2861] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2860] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2858] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2857] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2856] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2855, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2862] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2861] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2860] <... openat resumed>)       = 4
[pid  2857] <... futex resumed>)        = 0
[pid  2856] <... futex resumed>)        = 0
[pid  2862] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2861] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2857] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2856] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2860] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2858] <... futex resumed>)        = 0
[pid  2860] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2858] exit_group(0 <unfinished ...>
[pid  2860] <... futex resumed>)        = ?
[pid  2860] +++ exited with 0 +++
[pid  2858] <... exit_group resumed>)   = ?
[pid  2861] <... openat resumed>)       = 4
[pid  2858] +++ exited with 0 +++
[pid  2861] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2857] <... futex resumed>)        = 0
[pid  2861] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2858, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2857] exit_group(0 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2861] <... futex resumed>)        = ?
[pid  2857] <... exit_group resumed>)   = ?
[pid  2861] +++ exited with 0 +++
[pid  2862] <... openat resumed>)       = 4
[pid  2862] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2856] <... futex resumed>)        = 0
[pid  2862] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2857] +++ exited with 0 +++
[pid  2856] exit_group(0 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2857, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2862] <... futex resumed>)        = ?
[pid  2856] <... exit_group resumed>)   = ?
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2862] +++ exited with 0 +++
[pid  2856] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2856, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2863 attached
 <unfinished ...>
[pid  2863] set_robust_list(0x55557716c6a0, 24) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2863
[pid  2863] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2863] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2863] setpgid(0, 0)               = 0
[pid  2863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2863] <... openat resumed>)       = 3
[pid  2863] write(3, "1000", 4 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2863] <... write resumed>)        = 4
[pid  2863] close(3)                    = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2863] write(1, "executing program\n", 18) = 18
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
executing program
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2863] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2864 attached
[pid  2863] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2864] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2863] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2864] <... set_robust_list resumed>) = 0
[pid  2863] <... rt_sigaction resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2865 attached
[pid  2864] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2863] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2864
[pid   313] <... restart_syscall resumed>) = 0
[pid  2865] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2864] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2863] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2865] <... set_robust_list resumed>) = 0
[pid  2864] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2865
[pid  2865] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2864] <... prctl resumed>)        = 0
[pid  2863] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2865] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2864] setpgid(0, 0 <unfinished ...>
[pid  2863] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2865] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2864] <... setpgid resumed>)      = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2865] <... prctl resumed>)        = 0
[pid  2863] <... mprotect resumed>)     = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2865] setpgid(0, 0 <unfinished ...>
[pid  2864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2865] <... setpgid resumed>)      = 0
[pid  2863] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-12-rust/strace-static-x86_64: Process 2866 attached
 <unfinished ...>
[pid  2864] <... openat resumed>)       = 3
[pid  2863] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2866] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2865] <... openat resumed>)       = 3
[pid  2863] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2866] <... set_robust_list resumed>) = 0
[pid  2865] write(3, "1000", 4ci2-android-6-12-rust/strace-static-x86_64: Process 2867 attached
 <unfinished ...>
[pid  2864] write(3, "1000", 4 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2866
[pid  2866] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2865] <... write resumed>)        = 4
[pid  2864] <... write resumed>)        = 4
[pid  2863] <... clone3 resumed> => {parent_tid=[2867]}, 88) = 2867
[pid  2867] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2866] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2865] close(3 <unfinished ...>
[pid  2864] close(3 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2867] <... set_robust_list resumed>) = 0
[pid  2866] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2865] <... close resumed>)        = 0
[pid  2864] <... close resumed>)        = 0
[pid  2863] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2867] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2866] <... prctl resumed>)        = 0
[pid  2865] write(1, "executing program\n", 18 <unfinished ...>
[pid  2864] write(1, "executing program\n", 18 <unfinished ...>
[pid  2863] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2866] setpgid(0, 0 <unfinished ...>
[pid  2865] <... write resumed>)        = 18
[pid  2863] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2866] <... setpgid resumed>)      = 0
[pid  2865] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2863] <... futex resumed>)        = 0
[pid  2867] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
executing program
[pid  2866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2865] <... futex resumed>)        = 0
[pid  2864] <... write resumed>)        = 18
[pid  2863] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2867] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2866] <... openat resumed>)       = 3
[pid  2865] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2864] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2867] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2866] write(3, "1000", 4 <unfinished ...>
[pid  2865] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2864] <... futex resumed>)        = 0
[pid  2867] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2866] <... write resumed>)        = 4
[pid  2865] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2864] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2867] <... futex resumed>)        = 1
[pid  2866] close(3 <unfinished ...>
[pid  2865] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2864] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2863] <... futex resumed>)        = 0
[pid  2867] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2866] <... close resumed>)        = 0
[pid  2865] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2864] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2863] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2867] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2866] write(1, "executing program\n", 18 <unfinished ...>
[pid  2865] <... mmap resumed>)         = 0x7fb4de009000
[pid  2864] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  2863] <... futex resumed>)        = 0
[pid  2867] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2866] <... write resumed>)        = 18
[pid  2865] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2867] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2866] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2865] <... mprotect resumed>)     = 0
[pid  2864] <... mmap resumed>)         = 0x7fb4de009000
[pid  2863] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2866] <... futex resumed>)        = 0
[pid  2865] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2864] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2867] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2866] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2865] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2864] <... mprotect resumed>)     = 0
[pid  2867] <... futex resumed>)        = 1
[pid  2866] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2865] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2864] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2863] <... futex resumed>)        = 0
[pid  2867] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2866] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 2868 attached
, NULL, 8) = 0
[pid  2864] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2863] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2868] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2866] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2865] <... clone3 resumed> => {parent_tid=[2868]}, 88) = 2868
[pid  2868] <... set_robust_list resumed>) = 0
[pid  2867] <... futex resumed>)        = 0
[pid  2866] <... mmap resumed>)         = 0x7fb4de009000
[pid  2864] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2863] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 2869 attached
[pid  2868] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2867] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2866] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2865] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2863] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2869] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2868] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2869] <... set_robust_list resumed>) = 0
[pid  2866] <... mprotect resumed>)     = 0
[pid  2865] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2868] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2869] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2868] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2869] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2866] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2865] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2869] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2868] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2866] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2865] <... futex resumed>)        = 0
[pid  2868] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2866] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2868] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2865] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2870 attached
 <unfinished ...>
[pid  2868] <... futex resumed>)        = 0
[pid  2867] <... openat resumed>)       = 3
[pid  2865] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2864] <... clone3 resumed> => {parent_tid=[2869]}, 88) = 2869
[pid  2870] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2868] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2867] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2866] <... clone3 resumed> => {parent_tid=[2870]}, 88) = 2870
[pid  2865] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2864] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2870] <... set_robust_list resumed>) = 0
[pid  2868] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2867] <... futex resumed>)        = 1
[pid  2866] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2865] <... futex resumed>)        = 0
[pid  2864] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2863] <... futex resumed>)        = 0
[pid  2870] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2868] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2867] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2866] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2865] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2864] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2863] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2870] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2869] <... futex resumed>)        = 0
[pid  2868] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2867] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2866] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2864] <... futex resumed>)        = 1
[pid  2863] <... futex resumed>)        = 0
[pid  2870] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2869] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2868] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2867] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2866] <... futex resumed>)        = 0
[pid  2864] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2863] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2870] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2869] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2868] <... futex resumed>)        = 1
[pid  2867] <... write resumed>)        = 2
[pid  2866] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2865] <... futex resumed>)        = 0
[pid  2870] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2869] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2868] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2867] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2866] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2865] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2870] <... futex resumed>)        = 0
[pid  2869] <... futex resumed>)        = 1
[pid  2868] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2867] <... futex resumed>)        = 1
[pid  2866] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2865] <... futex resumed>)        = 0
[pid  2864] <... futex resumed>)        = 0
[pid  2863] <... futex resumed>)        = 0
[pid  2870] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2869] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2868] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2867] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2866] <... futex resumed>)        = 0
[pid  2865] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2864] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2863] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2870] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2869] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2868] <... openat resumed>)       = 3
[pid  2867] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2866] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2864] <... futex resumed>)        = 0
[pid  2863] <... futex resumed>)        = 0
[pid  2870] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2869] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2868] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2867] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2866] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2864] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2863] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2870] <... futex resumed>)        = 0
[pid  2869] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2868] <... futex resumed>)        = 1
[pid  2867] <... openat resumed>)       = 4
[pid  2866] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2865] <... futex resumed>)        = 0
[pid  2870] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2869] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2868] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2867] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2866] <... futex resumed>)        = 0
[pid  2865] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2870] <... openat resumed>)       = 3
[pid  2869] <... futex resumed>)        = 1
[pid  2868] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2867] <... futex resumed>)        = 1
[pid  2866] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2865] <... futex resumed>)        = 0
[pid  2864] <... futex resumed>)        = 0
[pid  2863] <... futex resumed>)        = 0
[pid  2870] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2869] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2868] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2867] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2866] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2865] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2864] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2870] <... futex resumed>)        = 0
[pid  2869] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2868] <... write resumed>)        = 2
[pid  2866] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2864] <... futex resumed>)        = 0
[pid  2863] exit_group(0 <unfinished ...>
[pid  2870] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2869] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2868] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2866] <... futex resumed>)        = 0
[pid  2864] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2870] <... write resumed>)        = 2
[pid  2869] <... openat resumed>)       = 3
[pid  2868] <... futex resumed>)        = 1
[pid  2867] <... futex resumed>)        = ?
[pid  2866] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2865] <... futex resumed>)        = 0
[pid  2863] <... exit_group resumed>)   = ?
[pid  2870] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2869] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2868] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2867] +++ exited with 0 +++
[pid  2866] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2865] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2870] <... futex resumed>)        = 0
[pid  2870] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2869] <... futex resumed>)        = 1
[pid  2864] <... futex resumed>)        = 0
[pid  2863] +++ exited with 0 +++
[pid  2869] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2868] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2866] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2865] <... futex resumed>)        = 0
[pid  2864] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2863, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2870] <... futex resumed>)        = 0
[pid  2869] <... write resumed>)        = 2
[pid  2868] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2866] <... futex resumed>)        = 1
[pid  2865] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2864] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2870] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2869] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2868] <... openat resumed>)       = 4
[pid  2866] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2864] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2870] <... openat resumed>)       = 4
[pid  2869] <... futex resumed>)        = 0
[pid  2868] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2864] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2870] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2869] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2868] <... futex resumed>)        = 1
[pid  2865] <... futex resumed>)        = 0
[pid  2864] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2870] <... futex resumed>)        = 1
[pid  2869] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2868] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2866] <... futex resumed>)        = 0
[pid  2865] exit_group(0 <unfinished ...>
[pid  2864] <... futex resumed>)        = 0
[pid  2870] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2869] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2868] <... futex resumed>)        = ?
[pid  2866] exit_group(0 <unfinished ...>
[pid  2865] <... exit_group resumed>)   = ?
[pid  2864] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2869] <... openat resumed>)       = 4
[pid  2868] +++ exited with 0 +++
[pid  2870] <... futex resumed>)        = ?
[pid  2870] +++ exited with 0 +++
[pid  2866] <... exit_group resumed>)   = ?
[pid  2869] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2866] +++ exited with 0 +++
[pid  2865] +++ exited with 0 +++
[pid  2869] <... futex resumed>)        = 1
[pid  2864] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2866, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2869] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2864] exit_group(0 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2865, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2869] <... futex resumed>)        = ?
[pid  2864] <... exit_group resumed>)   = ?
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2869] +++ exited with 0 +++
[pid  2864] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2864, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2871 attached
, child_tidptr=0x55557716c690) = 2871
[pid  2871] set_robust_list(0x55557716c6a0, 24) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2871] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2871] setpgid(0, 0)               = 0
[pid  2871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2871] <... openat resumed>)       = 3
[pid  2871] write(3, "1000", 4)         = 4
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2871] close(3)                    = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2871] write(1, "executing program\n", 18) = 18
executing program
[pid  2871] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2871] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}ci2-android-6-12-rust/strace-static-x86_64: Process 2872 attached
 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2872
[pid  2872] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2871] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2872] <... set_robust_list resumed>) = 0
[pid  2871] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2872] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2871] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2872] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2872] <... prctl resumed>)        = 0
[pid  2871] <... mmap resumed>)         = 0x7fb4de009000
[pid  2872] setpgid(0, 0 <unfinished ...>
[pid  2871] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2872] <... setpgid resumed>)      = 0
[pid  2871] <... mprotect resumed>)     = 0
[pid  2872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2871] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2872] <... openat resumed>)       = 3
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2872] write(3, "1000", 4 <unfinished ...>
[pid  2871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2872] <... write resumed>)        = 4
ci2-android-6-12-rust/strace-static-x86_64: Process 2873 attached
[pid  2872] close(3 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2872] <... close resumed>)        = 0
[pid  2873] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2872] write(1, "executing program\n", 18 <unfinished ...>
[pid  2873] <... set_robust_list resumed>) = 0
[pid  2872] <... write resumed>)        = 18
[pid  2873] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2872] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2873] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2872] <... futex resumed>)        = 0
[pid  2873] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
executing program
[pid  2872] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2871] <... clone3 resumed> => {parent_tid=[2873]}, 88) = 2873
ci2-android-6-12-rust/strace-static-x86_64: Process 2874 attached
[pid  2872] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2871] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2874] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2872] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2871] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2874] <... set_robust_list resumed>) = 0
[pid  2872] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2871] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2874
[pid  2874] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2873] <... futex resumed>)        = 0
[pid  2872] <... mmap resumed>)         = 0x7fb4de009000
[pid  2871] <... futex resumed>)        = 1
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2874] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2873] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2872] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2871] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2874] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2873] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2872] <... mprotect resumed>)     = 0
[pid  2874] <... prctl resumed>)        = 0
[pid  2873] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2874] setpgid(0, 0 <unfinished ...>
[pid  2872] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2874] <... setpgid resumed>)      = 0
[pid  2873] <... futex resumed>)        = 1
[pid  2871] <... futex resumed>)        = 0
[pid  2872] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2871] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2873] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2872] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2871] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2873] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2874] <... openat resumed>)       = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 2875 attached
[pid  2874] write(3, "1000", 4 <unfinished ...>
[pid  2873] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2875] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2874] <... write resumed>)        = 4
[pid  2873] <... futex resumed>)        = 1
[pid  2872] <... clone3 resumed> => {parent_tid=[2875]}, 88) = 2875
[pid  2871] <... futex resumed>)        = 0
[pid  2875] <... set_robust_list resumed>) = 0
[pid  2874] close(3 <unfinished ...>
[pid  2873] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2872] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2871] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2875] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2874] <... close resumed>)        = 0
[pid  2873] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2872] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2871] <... futex resumed>)        = 0
[pid  2875] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2874] write(1, "executing program\n", 18 <unfinished ...>
[pid  2873] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2872] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  2871] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2875] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2874] <... write resumed>)        = 18
[pid  2873] <... openat resumed>)       = 3
[pid  2872] <... futex resumed>)        = 0
[pid  2875] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2874] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2873] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2872] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2875] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2874] <... futex resumed>)        = 0
[pid  2873] <... futex resumed>)        = 1
[pid  2872] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2871] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2875] <... futex resumed>)        = 0
[pid  2874] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2873] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2872] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2871] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2875] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2874] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2873] <... write resumed>)        = 2
[pid  2872] <... futex resumed>)        = 0
[pid  2875] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2874] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2873] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2872] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2875] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2874] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2873] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2876 attached
[pid  2875] <... futex resumed>)        = 1
[pid  2874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2873] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2872] <... futex resumed>)        = 0
[pid  2871] <... futex resumed>)        = 0
[pid  2875] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2874] <... mmap resumed>)         = 0x7fb4de009000
[pid  2872] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2875] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2874] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2872] <... futex resumed>)        = 0
[pid  2875] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2874] <... mprotect resumed>)     = 0
[pid  2872] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2871] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2876] set_robust_list(0x55557716c6a0, 24) = 0
[pid  2875] <... openat resumed>)       = 3
[pid  2874] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2871] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2876
[pid  2876] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2875] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2874] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2871] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2876] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2875] <... futex resumed>)        = 1
[pid  2874] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2873] <... futex resumed>)        = 0
[pid  2872] <... futex resumed>)        = 0
[pid  2871] <... futex resumed>)        = 1
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2876] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2875] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2873] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2872] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2871] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2877 attached
 <unfinished ...>
[pid  2876] <... prctl resumed>)        = 0
[pid  2875] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2873] <... openat resumed>)       = 4
[pid  2872] <... futex resumed>)        = 0
[pid  2877] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2876] setpgid(0, 0 <unfinished ...>
[pid  2875] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2874] <... clone3 resumed> => {parent_tid=[2877]}, 88) = 2877
[pid  2873] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2872] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2877] <... set_robust_list resumed>) = 0
[pid  2876] <... setpgid resumed>)      = 0
[pid  2875] <... write resumed>)        = 2
[pid  2874] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2873] <... futex resumed>)        = 1
[pid  2871] <... futex resumed>)        = 0
[pid  2877] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2875] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2874] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2873] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2871] exit_group(0 <unfinished ...>
[pid  2877] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2876] <... openat resumed>)       = 3
[pid  2875] <... futex resumed>)        = 1
[pid  2874] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2873] <... futex resumed>)        = ?
[pid  2872] <... futex resumed>)        = 0
[pid  2871] <... exit_group resumed>)   = ?
[pid  2877] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2875] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2874] <... futex resumed>)        = 0
[pid  2876] write(3, "1000", 4)         = 4
[pid  2876] close(3)                    = 0
executing program
[pid  2876] write(1, "executing program\n", 18 <unfinished ...>
[pid  2873] +++ exited with 0 +++
[pid  2872] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2871] +++ exited with 0 +++
[pid  2877] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2876] <... write resumed>)        = 18
[pid  2875] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2874] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2877] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2876] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2875] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2874] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2872] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2871, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2877] <... futex resumed>)        = 0
[pid  2876] <... futex resumed>)        = 0
[pid  2875] <... openat resumed>)       = 4
[pid  2874] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2872] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2877] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2876] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2875] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2874] <... futex resumed>)        = 0
[pid  2877] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2876] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2875] <... futex resumed>)        = 1
[pid  2874] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2872] <... futex resumed>)        = 0
[pid  2877] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2876] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2875] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2874] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2872] exit_group(0 <unfinished ...>
[pid  2877] <... futex resumed>)        = 0
[pid  2876] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2875] <... futex resumed>)        = ?
[pid  2874] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2872] <... exit_group resumed>)   = ?
[pid  2877] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2875] +++ exited with 0 +++
[pid  2874] <... futex resumed>)        = 0
[pid  2876] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2876] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2872] +++ exited with 0 +++
[pid  2877] <... openat resumed>)       = 3
[pid  2874] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2877] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2876] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2874] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2872, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2876] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2877] <... futex resumed>)        = 0
[pid  2874] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2876] <... clone3 resumed> => {parent_tid=[2878]}, 88) = 2878
[pid  2876] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2876] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2878 attached
[pid  2877] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2876] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2877] <... write resumed>)        = 2
[pid  2874] <... futex resumed>)        = 0
[pid  2878] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2877] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2874] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2877] <... futex resumed>)        = 0
[pid  2878] <... set_robust_list resumed>) = 0
[pid  2874] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2878] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2877] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2874] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2878] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2877] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2874] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2878] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  2878] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2876] <... futex resumed>)        = 0
[pid  2876] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2876] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2878] <... futex resumed>)        = 1
[pid  2878] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   312] <... restart_syscall resumed>) = 0
[pid  2877] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2878] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2877] <... openat resumed>)       = 4
[pid  2876] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2878] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2877] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2876] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2878] <... openat resumed>)       = 3
[pid  2876] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2879 attached
 <unfinished ...>
[pid  2878] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2877] <... futex resumed>)        = 1
[pid  2876] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2874] <... futex resumed>)        = 0
[pid  2878] <... futex resumed>)        = 0
[pid  2877] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2876] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2879
[pid  2879] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2878] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2876] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2874] exit_group(0 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2879] <... set_robust_list resumed>) = 0
[pid  2878] <... write resumed>)        = 2
[pid  2877] <... futex resumed>)        = ?
[pid  2876] <... futex resumed>)        = 0
[pid  2874] <... exit_group resumed>)   = ?
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2879] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2877] +++ exited with 0 +++
[pid  2876] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2878] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2876] <... futex resumed>)        = 0
[pid  2876] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2878] <... futex resumed>)        = 1
[pid  2876] <... futex resumed>)        = 0
[pid  2878] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2876] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2874] +++ exited with 0 +++
[pid  2879] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2878] <... openat resumed>)       = 4
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2874, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] <... restart_syscall resumed>) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2878] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2876] <... futex resumed>)        = 0
[pid  2878] <... futex resumed>)        = 1
[pid  2876] exit_group(0 <unfinished ...>
[pid  2879] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2876] <... exit_group resumed>)   = ?
[pid  2879] <... prctl resumed>)        = 0
[pid  2878] +++ exited with 0 +++
[pid  2876] +++ exited with 0 +++
[pid  2879] setpgid(0, 0 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2876, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2879] <... setpgid resumed>)      = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2879] <... openat resumed>)       = 3
[pid  2879] write(3, "1000", 4)         = 4
[pid  2879] close(3)                    = 0
[pid  2879] write(1, "executing program\n", 18) = 18
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2880
[pid  2879] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2880 attached
) = 0
executing program
[pid  2880] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2879] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2880] <... set_robust_list resumed>) = 0
[pid  2879] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2880] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2879] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2880] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  2879] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2880] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2879] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2880] <... prctl resumed>)        = 0
[pid  2879] <... mmap resumed>)         = 0x7fb4de009000
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2880] setpgid(0, 0 <unfinished ...>
[pid  2879] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2880] <... setpgid resumed>)      = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2879] <... mprotect resumed>)     = 0
[pid  2880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2879] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2879] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2881 attached
 <unfinished ...>
[pid  2881] set_robust_list(0x7fb4de0299a0, 24ci2-android-6-12-rust/strace-static-x86_64: Process 2882 attached
 <unfinished ...>
[pid  2879] <... clone3 resumed> => {parent_tid=[2881]}, 88) = 2881
[pid  2881] <... set_robust_list resumed>) = 0
[pid  2879] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2881] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2879] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2881] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2879] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2881] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2879] <... futex resumed>)        = 0
[pid  2881] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2879] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2881] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2880] <... openat resumed>)       = 3
[pid  2882] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2880] write(3, "1000", 4 <unfinished ...>
[pid  2882] <... set_robust_list resumed>) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2882
[pid  2880] <... write resumed>)        = 4
[pid  2882] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2881] <... futex resumed>)        = 1
[pid  2880] close(3 <unfinished ...>
[pid  2879] <... futex resumed>)        = 0
[pid  2882] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2881] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2880] <... close resumed>)        = 0
[pid  2879] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2881] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2880] write(1, "executing program\n", 18 <unfinished ...>
[pid  2879] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  2882] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2881] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2880] <... write resumed>)        = 18
[pid  2879] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2882] <... prctl resumed>)        = 0
[pid  2881] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2880] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2881] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2882] setpgid(0, 0 <unfinished ...>
[pid  2881] <... futex resumed>)        = 1
[pid  2879] <... futex resumed>)        = 0
[pid  2880] <... futex resumed>)        = 0
[pid  2882] <... setpgid resumed>)      = 0
[pid  2881] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2880] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2879] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2881] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2879] <... futex resumed>)        = 0
[pid  2881] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2880] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2879] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2882] <... openat resumed>)       = 3
[pid  2881] <... openat resumed>)       = 3
[pid  2880] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2881] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2880] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2881] <... futex resumed>)        = 1
[pid  2879] <... futex resumed>)        = 0
[pid  2880] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2882] write(3, "1000", 4 <unfinished ...>
[pid  2881] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2879] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2881] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2879] <... futex resumed>)        = 0
[pid  2882] <... write resumed>)        = 4
[pid  2881] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2880] <... mmap resumed>)         = 0x7fb4de009000
[pid  2879] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2882] close(3 <unfinished ...>
[pid  2880] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2882] <... close resumed>)        = 0
[pid  2881] <... write resumed>)        = 2
[pid  2882] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  2881] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2880] <... mprotect resumed>)     = 0
[pid  2882] <... write resumed>)        = 18
[pid  2881] <... futex resumed>)        = 1
[pid  2879] <... futex resumed>)        = 0
[pid  2882] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2881] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2880] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2879] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2881] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2879] <... futex resumed>)        = 0
[pid  2881] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2879] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2881] <... openat resumed>)       = 4
[pid  2881] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2879] <... futex resumed>)        = 0
[pid  2879] exit_group(0 <unfinished ...>
[pid  2882] <... futex resumed>)        = 0
[pid  2880] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2882] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2881] <... futex resumed>)        = ?
[pid  2879] <... exit_group resumed>)   = ?
[pid  2882] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2881] +++ exited with 0 +++
[pid  2880] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2879] +++ exited with 0 +++
[pid  2882] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 2883 attached
, NULL, 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2879, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2880] <... clone3 resumed> => {parent_tid=[2883]}, 88) = 2883
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2882] <... mmap resumed>)         = 0x7fb4de009000
[pid  2880] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2882] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2880] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2883] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2880] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2883] <... set_robust_list resumed>) = 0
[pid  2882] <... mprotect resumed>)     = 0
[pid  2880] <... futex resumed>)        = 0
[pid  2883] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  2883] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2880] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2883] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2882] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2883] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2882] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2883] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2883] <... futex resumed>)        = 1
[pid  2882] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2880] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2884 attached
[pid  2883] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2880] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2883] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2885
[pid  2883] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2885 attached
 <unfinished ...>
[pid  2883] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2880] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2883] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2883] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 2886 attached
 <unfinished ...>
[pid  2884] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2882] <... clone3 resumed> => {parent_tid=[2884]}, 88) = 2884
[pid  2880] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2886] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2885] set_robust_list(0x55557716c6a0, 24) = 0
[pid  2886] <... set_robust_list resumed>) = 0
[pid  2880] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2886
[pid  2882] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2886] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2882] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2880] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2886] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2885] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2882] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2880] <... futex resumed>)        = 1
[pid  2885] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2886] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2882] <... futex resumed>)        = 0
[pid  2880] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2885] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2886] <... prctl resumed>)        = 0
[pid  2882] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2886] setpgid(0, 0 <unfinished ...>
[pid  2885] <... prctl resumed>)        = 0
[pid  2886] <... setpgid resumed>)      = 0
[pid  2885] setpgid(0, 0 <unfinished ...>
[pid  2886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2885] <... setpgid resumed>)      = 0
[pid  2884] <... set_robust_list resumed>) = 0
[pid  2883] <... futex resumed>)        = 0
[pid  2884] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2883] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2884] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2883] <... openat resumed>)       = 3
[pid  2884] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2883] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2884] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2883] <... futex resumed>)        = 1
[pid  2880] <... futex resumed>)        = 0
[pid  2886] <... openat resumed>)       = 3
[pid  2884] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2883] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2880] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2885] <... openat resumed>)       = 3
[pid  2886] write(3, "1000", 4 <unfinished ...>
[pid  2884] <... futex resumed>)        = 1
[pid  2883] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2880] <... futex resumed>)        = 0
[pid  2884] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2883] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2880] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2883] <... write resumed>)        = 2
[pid  2883] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2880] <... futex resumed>)        = 0
[pid  2883] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2880] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2883] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2880] <... futex resumed>)        = 0
[pid  2883] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2880] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2886] <... write resumed>)        = 4
[pid  2885] write(3, "1000", 4 <unfinished ...>
[pid  2883] <... openat resumed>)       = 4
[pid  2882] <... futex resumed>)        = 0
[pid  2883] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2886] close(3 <unfinished ...>
[pid  2885] <... write resumed>)        = 4
[pid  2883] <... futex resumed>)        = 1
[pid  2882] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2880] <... futex resumed>)        = 0
[pid  2886] <... close resumed>)        = 0
[pid  2885] close(3 <unfinished ...>
[pid  2884] <... futex resumed>)        = 0
[pid  2883] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2882] <... futex resumed>)        = 1
[pid  2880] exit_group(0 <unfinished ...>
[pid  2886] write(1, "executing program\n", 18 <unfinished ...>
[pid  2885] <... close resumed>)        = 0
executing program
[pid  2884] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2883] <... futex resumed>)        = ?
[pid  2882] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2880] <... exit_group resumed>)   = ?
[pid  2886] <... write resumed>)        = 18
[pid  2885] write(1, "executing program\n", 18 <unfinished ...>
[pid  2884] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2883] +++ exited with 0 +++
[pid  2880] +++ exited with 0 +++
[pid  2884] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2886] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2885] <... write resumed>)        = 18
[pid  2884] <... futex resumed>)        = 1
[pid  2882] <... futex resumed>)        = 0
[pid  2886] <... futex resumed>)        = 0
[pid  2885] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  2884] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2882] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2880, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2886] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2885] <... futex resumed>)        = 0
[pid  2884] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2882] <... futex resumed>)        = 0
[pid  2885] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2884] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2882] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2885] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2884] <... openat resumed>)       = 3
[pid  2885] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2884] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2886] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2885] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2886] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2886] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2885] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2884] <... futex resumed>)        = 1
[pid  2882] <... futex resumed>)        = 0
[pid  2886] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2885] <... mmap resumed>)         = 0x7fb4de009000
[pid  2884] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2882] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2886] <... mmap resumed>)         = 0x7fb4de009000
[pid  2885] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2884] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2882] <... futex resumed>)        = 0
[pid  2886] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2885] <... mprotect resumed>)     = 0
[pid  2884] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2882] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2884] <... write resumed>)        = 2
[pid  2884] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2882] <... futex resumed>)        = 0
[pid  2884] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2882] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2884] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2882] <... futex resumed>)        = 0
[pid  2884] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2882] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2884] <... openat resumed>)       = 4
[pid  2885] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2886] <... mprotect resumed>)     = 0
[pid  2885] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2884] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2886] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2885] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2884] <... futex resumed>)        = 1
[pid  2882] <... futex resumed>)        = 0
[pid  2886] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2884] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2882] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 2887 attached
 <unfinished ...>
[pid  2886] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2884] <... futex resumed>)        = ?
[pid  2882] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 2888 attached
[pid  2887] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2885] <... clone3 resumed> => {parent_tid=[2887]}, 88) = 2887
[pid  2884] +++ exited with 0 +++
[pid  2882] +++ exited with 0 +++
[pid  2888] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2887] <... set_robust_list resumed>) = 0
[pid  2888] <... set_robust_list resumed>) = 0
[pid  2887] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2888] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2887] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2886] <... clone3 resumed> => {parent_tid=[2888]}, 88) = 2888
[pid  2885] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2882, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2888] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2887] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2888] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2886] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2885] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2886] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2885] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2886] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2887] <... futex resumed>)        = 0
[pid  2885] <... futex resumed>)        = 1
[pid  2888] <... futex resumed>)        = 0
[pid  2887] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2886] <... futex resumed>)        = 1
[pid  2888] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  2887] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2886] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2885] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2888] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2887] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2886] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2885] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2888] <... futex resumed>)        = 0
[pid  2887] <... futex resumed>)        = 0
[pid  2888] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2887] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2886] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2885] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2888] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2887] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2886] <... futex resumed>)        = 0
[pid  2885] <... futex resumed>)        = 0
[pid  2888] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2887] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2888] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2887] <... futex resumed>)        = 0
[pid  2886] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2885] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2888] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2887] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2886] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2888] <... futex resumed>)        = 0
[pid  2886] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2885] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2886] <... futex resumed>)        = 0
[pid  2885] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2886] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2885] <... futex resumed>)        = 0
[pid  2888] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2887] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2885] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2888] <... openat resumed>)       = 3
[pid  2887] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2888] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2887] <... openat resumed>)       = 3
[pid  2888] <... futex resumed>)        = 1
[pid  2887] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2886] <... futex resumed>)        = 0
[pid  2888] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2887] <... futex resumed>)        = 1
[pid  2886] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2885] <... futex resumed>)        = 0
[pid  2888] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2887] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2886] <... futex resumed>)        = 0
[pid  2885] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2888] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2887] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2886] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2885] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2888] <... write resumed>)        = 2
[pid  2887] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2885] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2888] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2887] <... write resumed>)        = 2
[pid  2888] <... futex resumed>)        = 1
[pid  2887] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2888] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2887] <... futex resumed>)        = 1
[pid  2886] <... futex resumed>)        = 0
[pid  2885] <... futex resumed>)        = 0
[pid  2887] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2886] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2885] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2886] <... futex resumed>)        = 1
[pid  2885] <... futex resumed>)        = 1
[pid  2886] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2885] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2888] <... futex resumed>)        = 0
[pid  2887] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2889 attached
[pid  2888] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2887] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2889] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2887] <... openat resumed>)       = 4
[pid  2889] <... set_robust_list resumed>) = 0
[pid  2888] <... openat resumed>)       = 4
[pid  2887] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2889] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2888] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2889] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2888] <... futex resumed>)        = 1
[pid  2887] <... futex resumed>)        = 1
[pid  2886] <... futex resumed>)        = 0
[pid  2885] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2889
[pid  2889] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2888] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2887] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2885] exit_group(0 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2887] <... futex resumed>)        = ?
[pid  2885] <... exit_group resumed>)   = ?
[pid  2889] <... prctl resumed>)        = 0
[pid  2887] +++ exited with 0 +++
[pid  2886] exit_group(0 <unfinished ...>
[pid  2885] +++ exited with 0 +++
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2889] setpgid(0, 0 <unfinished ...>
[pid  2888] <... futex resumed>)        = ?
[pid  2886] <... exit_group resumed>)   = ?
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2889] <... setpgid resumed>)      = 0
[pid  2888] +++ exited with 0 +++
[pid  2889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2885, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2889] <... openat resumed>)       = 3
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2886] +++ exited with 0 +++
[pid  2889] write(3, "1000", 4 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2886, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2889] <... write resumed>)        = 4
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2889] close(3)                    = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2890 attached
[pid  2889] write(1, "executing program\n", 18 <unfinished ...>
[pid  2890] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2889] <... write resumed>)        = 18
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2890
[pid  2890] <... set_robust_list resumed>) = 0
[pid  2889] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2890] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2889] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2890] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2889] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2889] <... rt_sigaction resumed>, NULL, 8) = 0
executing program
[pid  2889] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2890] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2889] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2890] <... prctl resumed>)        = 0
[pid  2890] setpgid(0, 0 <unfinished ...>
[pid  2889] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2890] <... setpgid resumed>)      = 0
[pid  2890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2889] <... mmap resumed>)         = 0x7fb4de009000
[pid  2890] write(3, "1000", 4 <unfinished ...>
[pid  2889] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2890] <... write resumed>)        = 4
[pid  2890] close(3 <unfinished ...>
[pid  2889] <... mprotect resumed>)     = 0
[pid  2890] <... close resumed>)        = 0
executing program
[pid  2890] write(1, "executing program\n", 18) = 18
[pid  2890] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2890] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2890] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2890] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2890] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2889] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2890] <... mprotect resumed>)     = 0
[pid  2889] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2890] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2889] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2890] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2892 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2891 attached
 => {parent_tid=[2891]}, 88) = 2891
[pid  2889] <... clone3 resumed> => {parent_tid=[2892]}, 88) = 2892
[pid  2892] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2891] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2890] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2889] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2892] <... set_robust_list resumed>) = 0
[pid  2891] <... set_robust_list resumed>) = 0
[pid  2889] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2892] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2891] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2890] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  2892] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2891] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2890] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2889] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2892] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2891] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2890] <... futex resumed>)        = 0
[pid  2889] <... futex resumed>)        = 0
[pid  2892] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2891] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2890] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2892] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2891] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2889] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2892] <... futex resumed>)        = 0
[pid  2890] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2892] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2889] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2891] <... futex resumed>)        = 1
[pid  2890] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2891] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2890] <... futex resumed>)        = 0
[pid  2889] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2891] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2890] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2891] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2890] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2892] <... futex resumed>)        = 0
[pid  2891] <... futex resumed>)        = 0
[pid  2890] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2889] <... futex resumed>)        = 1
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2892] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2891] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2890] <... futex resumed>)        = 0
[pid  2889] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2892] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2891] <... openat resumed>)       = 3
[pid  2890] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2892] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2891] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2890] <... futex resumed>)        = 0
[pid  2891] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2890] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2891] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2890] <... futex resumed>)        = 0
[pid  2891] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2890] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2891] <... write resumed>)        = 2
[pid  2891] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2892] <... futex resumed>)        = 1
[pid  2889] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2893 attached
[pid  2891] <... futex resumed>)        = 1
[pid  2890] <... futex resumed>)        = 0
[pid  2893] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2891] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2890] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2893] <... set_robust_list resumed>) = 0
[pid  2891] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2890] <... futex resumed>)        = 0
[pid  2893] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2891] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2890] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2894 attached
 <unfinished ...>
[pid  2893] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2892] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2891] <... openat resumed>)       = 4
[pid  2889] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2893
[pid  2894] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2893] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2892] <... openat resumed>)       = 3
[pid  2889] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2894
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2894] <... set_robust_list resumed>) = 0
[pid  2889] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2892] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2892] <... futex resumed>)        = 0
[pid  2889] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2894] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2892] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2889] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2894] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2892] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2889] <... futex resumed>)        = 0
[pid  2892] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2889] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2893] <... prctl resumed>)        = 0
[pid  2891] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2893] setpgid(0, 0 <unfinished ...>
[pid  2891] <... futex resumed>)        = 1
[pid  2890] <... futex resumed>)        = 0
[pid  2893] <... setpgid resumed>)      = 0
[pid  2891] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2890] exit_group(0 <unfinished ...>
[pid  2894] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2892] <... write resumed>)        = 2
[pid  2891] <... futex resumed>)        = ?
[pid  2890] <... exit_group resumed>)   = ?
[pid  2894] <... prctl resumed>)        = 0
[pid  2893] <... openat resumed>)       = 3
[pid  2892] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2891] +++ exited with 0 +++
[pid  2890] +++ exited with 0 +++
[pid  2894] setpgid(0, 0 <unfinished ...>
[pid  2893] write(3, "1000", 4 <unfinished ...>
[pid  2892] <... futex resumed>)        = 1
[pid  2889] <... futex resumed>)        = 0
[pid  2894] <... setpgid resumed>)      = 0
[pid  2893] <... write resumed>)        = 4
[pid  2892] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2889] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2890, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2893] close(3 <unfinished ...>
[pid  2892] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2889] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2893] <... close resumed>)        = 0
[pid  2892] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2889] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2893] write(1, "executing program\n", 18) = 18
[pid  2893] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2893] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2894] <... openat resumed>)       = 3
[pid  2893] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2892] <... openat resumed>)       = 4
[pid  2893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
executing program
[pid  2893] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2894] write(3, "1000", 4 <unfinished ...>
[pid  2893] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2892] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2894] <... write resumed>)        = 4
[pid  2894] close(3 <unfinished ...>
[pid  2892] <... futex resumed>)        = 1
[pid  2889] <... futex resumed>)        = 0
[pid  2894] <... close resumed>)        = 0
[pid  2892] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2893] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2894] write(1, "executing program\n", 18 <unfinished ...>
[pid  2889] exit_group(0 <unfinished ...>
[pid  2894] <... write resumed>)        = 18
executing program
[pid  2893] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2895 attached
 <unfinished ...>
[pid  2894] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2892] <... futex resumed>)        = ?
[pid  2889] <... exit_group resumed>)   = ?
[pid  2895] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2893] <... clone3 resumed> => {parent_tid=[2895]}, 88) = 2895
[pid  2895] <... set_robust_list resumed>) = 0
[pid  2894] <... futex resumed>)        = 0
[pid  2893] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2892] +++ exited with 0 +++
[pid  2895] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2893] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2895] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2893] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2895] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2893] <... futex resumed>)        = 0
[pid  2893] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2895] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2895] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2893] <... futex resumed>)        = 0
[pid  2889] +++ exited with 0 +++
[pid  2894] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2894] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2894] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2889, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2895] <... futex resumed>)        = 1
[pid  2893] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2895] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2893] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2895] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2893] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2895] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2893] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2895] <... futex resumed>)        = 0
[pid  2893] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2895] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2893] <... futex resumed>)        = 0
[pid  2895] <... openat resumed>)       = 3
[pid  2893] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2895] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2893] <... futex resumed>)        = 0
[pid  2895] <... futex resumed>)        = 1
[pid  2893] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2895] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2893] <... futex resumed>)        = 0
[pid  2895] <... write resumed>)        = 2
[pid  2893] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2895] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2893] <... futex resumed>)        = 0
[pid  2895] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2893] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2895] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2893] <... futex resumed>)        = 0
[pid  2895] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2893] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2895] <... openat resumed>)       = 4
[pid  2894] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2894] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2895] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2894] <... mmap resumed>)         = 0x7fb4de009000
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2894] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2895] <... futex resumed>)        = 1
[pid  2893] <... futex resumed>)        = 0
[pid  2895] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2893] exit_group(0 <unfinished ...>
[pid  2895] <... futex resumed>)        = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 2896 attached
[pid  2895] +++ exited with 0 +++
[pid  2893] <... exit_group resumed>)   = ?
[pid  2896] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2894] <... mprotect resumed>)     = 0
[pid  2896] <... set_robust_list resumed>) = 0
[pid  2894] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2893] +++ exited with 0 +++
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2896
[pid  2894] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2893, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2894] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 2897 attached
 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2894] <... clone3 resumed> => {parent_tid=[2897]}, 88) = 2897
[pid  2896] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2894] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2896] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2894] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2897] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2897] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2897] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2896] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2894] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2896] <... prctl resumed>)        = 0
[pid  2897] <... futex resumed>)        = 0
[pid  2896] setpgid(0, 0 <unfinished ...>
[pid  2894] <... futex resumed>)        = 1
[pid  2897] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2896] <... setpgid resumed>)      = 0
[pid  2897] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2894] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2897] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2896] <... openat resumed>)       = 3
[pid  2894] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2897] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2894] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2897] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2896] write(3, "1000", 4 <unfinished ...>
[pid  2894] <... futex resumed>)        = 0
[pid  2897] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2894] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2897] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2896] <... write resumed>)        = 4
[pid  2897] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2896] close(3 <unfinished ...>
[pid  2897] <... futex resumed>)        = 1
[pid  2896] <... close resumed>)        = 0
[pid  2897] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2896] write(1, "executing program\n", 18 <unfinished ...>
[pid  2894] <... futex resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  2894] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2897] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2896] <... write resumed>)        = 18
executing program
[pid  2897] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2896] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2897] <... openat resumed>)       = 3
[pid  2896] <... futex resumed>)        = 0
[pid  2897] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2896] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2894] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2897] <... futex resumed>)        = 0
[pid  2896] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2897] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2896] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2896] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2894] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2894] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2894] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2896] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2896] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2896] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2898 attached
 <unfinished ...>
[pid  2894] <... futex resumed>)        = 1
[pid  2897] <... futex resumed>)        = 0
[pid  2894] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2897] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2896] <... clone3 resumed> => {parent_tid=[2898]}, 88) = 2898
[pid  2898] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2897] <... write resumed>)        = 2
ci2-android-6-12-rust/strace-static-x86_64: Process 2899 attached
[pid  2898] <... set_robust_list resumed>) = 0
[pid  2897] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2896] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2899] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2898] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2897] <... futex resumed>)        = 1
[pid  2896] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2894] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2899
[pid  2899] <... set_robust_list resumed>) = 0
[pid  2898] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2897] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2896] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2894] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2899] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2898] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2897] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2896] <... futex resumed>)        = 0
[pid  2894] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2899] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2898] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2897] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2896] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2894] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2899] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2898] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2897] <... openat resumed>)       = 4
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2899] <... prctl resumed>)        = 0
[pid  2897] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2896] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2899] setpgid(0, 0 <unfinished ...>
[pid  2898] <... futex resumed>)        = 0
[pid  2897] <... futex resumed>)        = 0
[pid  2896] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2899] <... setpgid resumed>)      = 0
[pid  2898] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2897] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2896] <... futex resumed>)        = 0
[pid  2894] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2896] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2898] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2894] exit_group(0 <unfinished ...>
[pid  2899] <... openat resumed>)       = 3
[pid  2899] write(3, "1000", 4)         = 4
[pid  2899] close(3)                    = 0
[pid  2899] write(1, "executing program\n", 18 <unfinished ...>
[pid  2898] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2897] <... futex resumed>)        = ?
[pid  2894] <... exit_group resumed>)   = ?
[pid  2898] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 2900 attached
[pid  2899] <... write resumed>)        = 18
[pid  2898] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2896] <... futex resumed>)        = 0
executing program
[pid  2900] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2899] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2896] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2900] <... set_robust_list resumed>) = 0
[pid  2899] <... futex resumed>)        = 0
[pid  2898] <... futex resumed>)        = 0
[pid  2896] <... futex resumed>)        = 1
[pid  2900] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2899] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2898] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2896] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2900] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2899] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2898] <... openat resumed>)       = 3
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2900
[pid  2900] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2899] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2898] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2899] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2900] <... prctl resumed>)        = 0
[pid  2899] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2900] setpgid(0, 0 <unfinished ...>
[pid  2899] <... mmap resumed>)         = 0x7fb4de009000
[pid  2900] <... setpgid resumed>)      = 0
[pid  2898] <... futex resumed>)        = 1
[pid  2896] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2899] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2898] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2896] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2898] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2898] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2900] <... openat resumed>)       = 3
[pid  2899] <... mprotect resumed>)     = 0
[pid  2898] <... write resumed>)        = 2
[pid  2896] <... futex resumed>)        = 0
[pid  2900] write(3, "1000", 4 <unfinished ...>
[pid  2899] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2898] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2897] +++ exited with 0 +++
[pid  2896] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2894] +++ exited with 0 +++
[pid  2900] <... write resumed>)        = 4
[pid  2899] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2896] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2900] close(3 <unfinished ...>
[pid  2899] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2898] <... futex resumed>)        = 0
[pid  2896] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2894, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 2901 attached
[pid  2900] <... close resumed>)        = 0
[pid  2898] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2896] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2901] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2900] write(1, "executing program\n", 18 <unfinished ...>
[pid  2899] <... clone3 resumed> => {parent_tid=[2901]}, 88) = 2901
executing program
[pid  2896] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2901] <... set_robust_list resumed>) = 0
[pid  2900] <... write resumed>)        = 18
[pid  2899] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2898] <... openat resumed>)       = 4
[pid  2901] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2900] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2899] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2898] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2901] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2900] <... futex resumed>)        = 0
[pid  2899] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2900] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2899] <... futex resumed>)        = 0
[pid  2898] <... futex resumed>)        = 1
[pid  2896] <... futex resumed>)        = 0
[pid  2901] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2900] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2899] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2898] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2896] exit_group(0 <unfinished ...>
[pid  2901] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2901] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2901] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2900] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2899] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2896] <... exit_group resumed>)   = ?
[pid  2900] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2899] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2898] <... futex resumed>)        = ?
[pid  2900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2899] <... futex resumed>)        = 1
[pid  2900] <... mmap resumed>)         = 0x7fb4de009000
[pid  2899] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2900] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2900] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2900] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2902 attached
 <unfinished ...>
[pid  2898] +++ exited with 0 +++
[pid  2896] +++ exited with 0 +++
[pid  2901] <... futex resumed>)        = 0
[pid  2901] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2896, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2902] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2900] <... clone3 resumed> => {parent_tid=[2902]}, 88) = 2902
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2902] <... set_robust_list resumed>) = 0
[pid  2901] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2900] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2902] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2900] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2902] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2900] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2902] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2900] <... futex resumed>)        = 0
[pid  2902] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2900] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2902] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2900] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2902] <... futex resumed>)        = 0
[pid  2900] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2902] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2900] <... futex resumed>)        = 0
[pid  2902] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2900] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2902] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2900] <... futex resumed>)        = 0
[pid  2901] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2902] <... futex resumed>)        = 1
[pid  2901] <... futex resumed>)        = 1
[pid  2900] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2899] <... futex resumed>)        = 0
[pid  2902] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2901] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2900] <... futex resumed>)        = 0
[pid  2899] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2902] <... openat resumed>)       = 3
[pid  2901] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2900] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2899] <... futex resumed>)        = 0
[pid  2902] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2899] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2902] <... futex resumed>)        = 1
[pid  2900] <... futex resumed>)        = 0
[pid  2901] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2902] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2900] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2902] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2901] <... openat resumed>)       = 3
[pid  2900] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2902] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2901] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2900] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2902] <... write resumed>)        = 2
[pid  2901] <... futex resumed>)        = 1
[pid  2899] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2901] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2902] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2899] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2902] <... futex resumed>)        = 1
[pid  2900] <... futex resumed>)        = 0
[pid  2899] <... futex resumed>)        = 1
[pid  2902] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2900] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2899] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2902] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2900] <... futex resumed>)        = 0
[pid  2902] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2900] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2903 attached
 <unfinished ...>
[pid  2902] <... openat resumed>)       = 4
[pid  2901] <... futex resumed>)        = 0
[pid  2901] write(3, "\x38\x00", 2 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2903
[pid  2901] <... write resumed>)        = 2
[pid  2902] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2901] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2900] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2903] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2902] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2901] <... futex resumed>)        = 1
[pid  2900] exit_group(0 <unfinished ...>
[pid  2899] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2903] <... set_robust_list resumed>) = 0
[pid  2902] <... futex resumed>)        = ?
[pid  2901] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2900] <... exit_group resumed>)   = ?
[pid  2899] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2903] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2902] +++ exited with 0 +++
[pid  2901] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2900] +++ exited with 0 +++
[pid  2899] <... futex resumed>)        = 0
[pid  2903] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2901] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2899] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2903] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2901] <... openat resumed>)       = 4
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2900, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2901] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2903] <... prctl resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2901] <... futex resumed>)        = 1
[pid  2903] setpgid(0, 0)               = 0
[pid  2901] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2899] <... futex resumed>)        = 0
[pid  2899] exit_group(0)               = ?
[pid  2903] <... openat resumed>)       = 3
[pid  2901] <... futex resumed>)        = ?
[pid  2903] write(3, "1000", 4)         = 4
[pid  2903] close(3)                    = 0
[pid  2903] write(1, "executing program\n", 18) = 18
executing program
[pid  2903] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2901] +++ exited with 0 +++
[pid  2899] +++ exited with 0 +++
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2899, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2903] <... futex resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2903] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2903] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2903] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2903] <... mprotect resumed>)     = 0
[pid  2903] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2903] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2903] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2904 attached
 => {parent_tid=[2904]}, 88) = 2904
[pid  2904] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2903] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2905 attached
 <unfinished ...>
[pid  2904] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2903] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2905] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2904] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2903] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2905
[pid  2905] <... set_robust_list resumed>) = 0
[pid  2904] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2903] <... futex resumed>)        = 0
[pid  2905] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2905] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2904] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2903] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2905] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2904] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2903] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2905] <... prctl resumed>)        = 0
[pid  2904] <... futex resumed>)        = 0
[pid  2903] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2905] setpgid(0, 0 <unfinished ...>
[pid  2904] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2903] <... futex resumed>)        = 0
[pid  2905] <... setpgid resumed>)      = 0
[pid  2904] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2903] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2905] <... openat resumed>)       = 3
[pid  2904] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2904] <... futex resumed>)        = 1
[pid  2903] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2905] write(3, "1000", 4 <unfinished ...>
[pid  2904] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2903] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2905] <... write resumed>)        = 4
[pid  2904] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2903] <... futex resumed>)        = 0
[pid  2905] close(3 <unfinished ...>
[pid  2904] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2903] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2905] <... close resumed>)        = 0
[pid  2904] <... openat resumed>)       = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 2906 attached
[pid  2905] write(1, "executing program\n", 18 <unfinished ...>
[pid  2904] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2906] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2905] <... write resumed>)        = 18
[pid  2904] <... futex resumed>)        = 1
executing program
[pid  2903] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2906
[pid  2906] <... set_robust_list resumed>) = 0
[pid  2905] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2904] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2903] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2906] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2905] <... futex resumed>)        = 0
[pid  2904] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2903] <... futex resumed>)        = 0
[pid  2906] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2905] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2904] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2903] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2906] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2905] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2904] <... write resumed>)        = 2
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2905] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2904] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2906] <... prctl resumed>)        = 0
[pid  2905] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2904] <... futex resumed>)        = 1
[pid  2903] <... futex resumed>)        = 0
[pid  2906] setpgid(0, 0 <unfinished ...>
[pid  2905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2904] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2903] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2906] <... setpgid resumed>)      = 0
[pid  2905] <... mmap resumed>)         = 0x7fb4de009000
[pid  2904] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2903] <... futex resumed>)        = 0
[pid  2906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2905] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2904] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2903] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2906] <... openat resumed>)       = 3
[pid  2905] <... mprotect resumed>)     = 0
[pid  2904] <... openat resumed>)       = 4
[pid  2906] write(3, "1000", 4)         = 4
[pid  2905] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2906] close(3 <unfinished ...>
[pid  2904] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2906] <... close resumed>)        = 0
[pid  2905] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2904] <... futex resumed>)        = 1
[pid  2903] <... futex resumed>)        = 0
[pid  2906] write(1, "executing program\n", 18 <unfinished ...>
[pid  2905] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2904] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2903] exit_group(0 <unfinished ...>
[pid  2906] <... write resumed>)        = 18
[pid  2904] <... futex resumed>)        = ?
[pid  2903] <... exit_group resumed>)   = ?
executing program
[pid  2906] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2907 attached
) = 0
[pid  2905] <... clone3 resumed> => {parent_tid=[2907]}, 88) = 2907
[pid  2904] +++ exited with 0 +++
[pid  2903] +++ exited with 0 +++
[pid  2907] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2906] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2905] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2907] <... set_robust_list resumed>) = 0
[pid  2906] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2905] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2903, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2907] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2906] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2905] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2907] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2906] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2905] <... futex resumed>)        = 0
[pid  2906] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2905] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2907] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2906] <... mmap resumed>)         = 0x7fb4de009000
[pid  2906] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2907] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2907] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2907] <... futex resumed>)        = 1
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2907] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2906] <... mprotect resumed>)     = 0
[pid  2905] <... futex resumed>)        = 0
[pid  2906] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2905] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2906] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2905] <... futex resumed>)        = 0
[pid  2906] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2905] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2909 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2908 attached
 <unfinished ...>
[pid  2909] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2906] <... clone3 resumed> => {parent_tid=[2909]}, 88) = 2909
[pid  2909] <... set_robust_list resumed>) = 0
[pid  2906] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2909] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2906] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2909] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2906] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2909] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2906] <... futex resumed>)        = 0
[pid  2906] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2909] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2909] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2909] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2906] <... futex resumed>)        = 0
[pid  2909] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2906] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2909] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2906] <... futex resumed>)        = 0
[pid  2909] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2907] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2906] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2908] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2907] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2909] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2906] <... futex resumed>)        = 0
[pid  2909] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2906] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2909] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2906] <... futex resumed>)        = 0
[pid  2909] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2906] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2910 attached
 <unfinished ...>
[pid  2909] <... openat resumed>)       = 3
[pid  2909] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2907] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2908] <... set_robust_list resumed>) = 0
[pid  2910] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2907] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2909] <... futex resumed>)        = 1
[pid  2910] <... set_robust_list resumed>) = 0
[pid  2908] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2907] <... futex resumed>)        = 1
[pid  2906] <... futex resumed>)        = 0
[pid  2905] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2910
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2908
[pid  2910] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2909] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2908] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2907] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2906] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2905] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2910] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2908] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2907] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2908] <... prctl resumed>)        = 0
[pid  2907] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2910] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2908] setpgid(0, 0 <unfinished ...>
[pid  2910] <... prctl resumed>)        = 0
[pid  2908] <... setpgid resumed>)      = 0
[pid  2907] <... openat resumed>)       = 3
[pid  2910] setpgid(0, 0)               = 0
[pid  2909] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2907] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2906] <... futex resumed>)        = 0
[pid  2905] <... futex resumed>)        = 0
[pid  2909] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2906] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2905] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2909] <... write resumed>)        = 2
[pid  2905] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2909] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2905] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2909] <... futex resumed>)        = 1
[pid  2907] <... futex resumed>)        = 0
[pid  2906] <... futex resumed>)        = 0
[pid  2905] <... futex resumed>)        = 0
[pid  2909] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2908] <... openat resumed>)       = 3
[pid  2907] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2906] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2905] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2910] <... openat resumed>)       = 3
[pid  2909] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2907] <... write resumed>)        = 2
[pid  2906] <... futex resumed>)        = 0
[pid  2908] write(3, "1000", 4 <unfinished ...>
[pid  2910] write(3, "1000", 4 <unfinished ...>
[pid  2909] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2907] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2908] <... write resumed>)        = 4
[pid  2906] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2910] <... write resumed>)        = 4
[pid  2909] <... openat resumed>)       = 4
[pid  2908] close(3 <unfinished ...>
[pid  2907] <... futex resumed>)        = 1
[pid  2905] <... futex resumed>)        = 0
[pid  2910] close(3 <unfinished ...>
[pid  2909] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2908] <... close resumed>)        = 0
[pid  2905] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2909] <... futex resumed>)        = 1
[pid  2906] <... futex resumed>)        = 0
[pid  2905] <... futex resumed>)        = 0
[pid  2910] <... close resumed>)        = 0
[pid  2909] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2908] write(1, "executing program\n", 18 <unfinished ...>
[pid  2907] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2906] exit_group(0 <unfinished ...>
[pid  2905] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2910] write(1, "executing program\n", 18 <unfinished ...>
[pid  2909] <... futex resumed>)        = ?
executing program
executing program
[pid  2908] <... write resumed>)        = 18
[pid  2907] <... openat resumed>)       = 4
[pid  2906] <... exit_group resumed>)   = ?
[pid  2910] <... write resumed>)        = 18
[pid  2909] +++ exited with 0 +++
[pid  2908] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2907] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2906] +++ exited with 0 +++
[pid  2910] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2908] <... futex resumed>)        = 0
[pid  2907] <... futex resumed>)        = 1
[pid  2905] <... futex resumed>)        = 0
[pid  2908] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2907] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2905] exit_group(0 <unfinished ...>
[pid  2910] <... futex resumed>)        = 0
[pid  2908] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2907] <... futex resumed>)        = ?
[pid  2905] <... exit_group resumed>)   = ?
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2906, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2910] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2908] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2907] +++ exited with 0 +++
[pid  2905] +++ exited with 0 +++
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2910] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2908] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2910] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2908] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2905, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2910] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2908] <... mmap resumed>)         = 0x7fb4de009000
[pid  2910] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2908] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2910] <... mmap resumed>)         = 0x7fb4de009000
[pid  2908] <... mprotect resumed>)     = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2908] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2910] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2908] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2910] <... mprotect resumed>)     = 0
[pid  2910] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2911 attached
, [], 8) = 0
[pid  2908] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2911] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2910] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2912 attached
 <unfinished ...>
[pid  2911] <... set_robust_list resumed>) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2911
ci2-android-6-12-rust/strace-static-x86_64: Process 2913 attached
[pid  2911] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2912] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2911] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2910] <... clone3 resumed> => {parent_tid=[2913]}, 88) = 2913
[pid  2908] <... clone3 resumed> => {parent_tid=[2912]}, 88) = 2912
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2912] <... set_robust_list resumed>) = 0
[pid  2911] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2910] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2908] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2912] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2911] <... prctl resumed>)        = 0
[pid  2910] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2908] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2912] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2911] setpgid(0, 0 <unfinished ...>
[pid  2910] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2908] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2912] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2911] <... setpgid resumed>)      = 0
[pid  2908] <... futex resumed>)        = 0
[pid  2910] <... futex resumed>)        = 0
[pid  2912] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2912] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2910] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2908] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2912] <... futex resumed>)        = 0
[pid  2913] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2912] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2911] <... openat resumed>)       = 3
[pid  2908] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2913] <... set_robust_list resumed>) = 0
[pid  2913] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2913] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  2913] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2910] <... futex resumed>)        = 0
[pid  2913] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2910] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2913] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2910] <... futex resumed>)        = 0
[pid  2913] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2910] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2913] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2911] write(3, "1000", 4 <unfinished ...>
[pid  2908] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2913] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2911] <... write resumed>)        = 4
[pid  2913] <... futex resumed>)        = 1
[pid  2912] <... futex resumed>)        = 0
[pid  2911] close(3 <unfinished ...>
[pid  2910] <... futex resumed>)        = 0
[pid  2908] <... futex resumed>)        = 1
[pid  2913] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2912] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2911] <... close resumed>)        = 0
[pid  2910] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2908] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2913] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2910] <... futex resumed>)        = 0
[pid  2913] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2912] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2911] write(1, "executing program\n", 18 <unfinished ...>
[pid  2910] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2913] <... openat resumed>)       = 3
[pid  2912] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2911] <... write resumed>)        = 18
[pid  2913] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2908] <... futex resumed>)        = 0
[pid  2913] <... futex resumed>)        = 1
[pid  2911] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2908] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2910] <... futex resumed>)        = 0
[pid  2913] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2912] <... futex resumed>)        = 1
[pid  2911] <... futex resumed>)        = 0
[pid  2910] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2908] <... futex resumed>)        = 0
[pid  2913] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2912] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2911] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2910] <... futex resumed>)        = 0
[pid  2913] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2908] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2912] <... openat resumed>)       = 3
[pid  2913] <... write resumed>)        = 2
[pid  2912] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2911] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2910] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2913] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2912] <... futex resumed>)        = 1
[pid  2911] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2910] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2908] <... futex resumed>)        = 0
[pid  2913] <... futex resumed>)        = 0
[pid  2912] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2911] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2910] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2908] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2913] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2912] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2911] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2910] <... futex resumed>)        = 0
[pid  2908] <... futex resumed>)        = 0
executing program
[pid  2913] <... openat resumed>)       = 4
[pid  2912] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2911] <... mmap resumed>)         = 0x7fb4de009000
[pid  2910] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2908] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2913] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2913] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2912] <... write resumed>)        = 2
[pid  2912] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2910] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... restart_syscall resumed>) = 0
[pid  2908] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2911] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2908] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2912] <... futex resumed>)        = 0
[pid  2912] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid  2911] <... mprotect resumed>)     = 0
[pid  2910] exit_group(0 <unfinished ...>
[pid  2908] <... futex resumed>)        = 0
[pid  2912] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2908] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2912] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2911] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2910] <... exit_group resumed>)   = ?
[pid  2908] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2911] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2913] <... futex resumed>)        = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 2914 attached
[pid  2911] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2908] exit_group(0 <unfinished ...>
[pid  2914] set_robust_list(0x55557716c6a0, 24) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2915 attached
[pid  2914] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2913] +++ exited with 0 +++
[pid  2912] <... futex resumed>)        = ?
[pid  2911] <... clone3 resumed> => {parent_tid=[2915]}, 88) = 2915
[pid  2910] +++ exited with 0 +++
[pid  2915] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2908] <... exit_group resumed>)   = ?
[pid  2914] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2912] +++ exited with 0 +++
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2914
[pid  2914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2914] setpgid(0, 0)               = 0
[pid  2914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2914] write(3, "1000", 4 <unfinished ...>
[pid  2908] +++ exited with 0 +++
[pid  2915] <... set_robust_list resumed>) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2910, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2911] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2915] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2911] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2915] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2911] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2908, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2915] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2911] <... futex resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2911] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2914] <... write resumed>)        = 4
[pid  2914] close(3)                    = 0
[pid  2914] write(1, "executing program\n", 18) = 18
executing program
[pid  2914] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2914] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2914] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2914] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2915] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2914] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2915] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2914] <... mprotect resumed>)     = 0
[pid  2915] <... futex resumed>)        = 1
[pid  2914] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2911] <... futex resumed>)        = 0
[pid  2915] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2914] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2911] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2915] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2914] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2915] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2911] <... futex resumed>)        = 0
[pid  2914] <... clone3 resumed> => {parent_tid=[2916]}, 88) = 2916
[pid  2914] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2915] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
ci2-android-6-12-rust/strace-static-x86_64: Process 2916 attached
[pid  2914] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2911] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2914] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2914] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2916] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2915] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2916] <... set_robust_list resumed>) = 0
[pid  2915] <... futex resumed>)        = 1
[pid  2916] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2911] <... futex resumed>)        = 0
[pid  2916] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2915] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2911] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2916] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2915] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2911] <... futex resumed>)        = 0
[pid  2916] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2915] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2911] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2916] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2915] <... openat resumed>)       = 3
[pid  2916] <... futex resumed>)        = 1
[pid  2915] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2916] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2915] <... futex resumed>)        = 1
[pid  2911] <... futex resumed>)        = 0
[pid  2915] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2911] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2915] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2911] <... futex resumed>)        = 0
[pid  2915] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2911] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2915] <... write resumed>)        = 2
[pid  2915] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2914] <... futex resumed>)        = 0
[pid  2914] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2916] <... futex resumed>)        = 0
[pid  2914] <... futex resumed>)        = 1
[pid  2916] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2914] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2916] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2915] <... futex resumed>)        = 1
[pid  2911] <... futex resumed>)        = 0
[pid  2916] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2914] <... futex resumed>)        = 0
[pid  2916] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2914] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2911] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2915] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2916] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2914] <... futex resumed>)        = 0
[pid  2911] <... futex resumed>)        = 0
[pid  2916] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2915] <... openat resumed>)       = 4
[pid  2914] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2911] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2916] <... openat resumed>)       = 3
[pid  2916] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2914] <... futex resumed>)        = 0
[pid  2916] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2914] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2916] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2914] <... futex resumed>)        = 0
[pid  2916] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2914] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2916] <... write resumed>)        = 2
[pid  2916] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2914] <... futex resumed>)        = 0
[pid  2914] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2914] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2916] <... futex resumed>)        = 1
[pid  2916] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid  2916] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2914] <... futex resumed>)        = 0
[pid  2914] exit_group(0)               = ?
[pid  2916] <... futex resumed>)        = ?
[pid  2915] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2911] <... futex resumed>)        = 0
[pid  2915] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2916] +++ exited with 0 +++
[pid  2914] +++ exited with 0 +++
[pid  2911] exit_group(0 <unfinished ...>
[pid  2915] <... futex resumed>)        = ?
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2914, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2911] <... exit_group resumed>)   = ?
[pid  2915] +++ exited with 0 +++
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2911] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 2917 attached
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2911, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2917] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2917] <... set_robust_list resumed>) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2917] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2917
ci2-android-6-12-rust/strace-static-x86_64: Process 2918 attached
[pid  2917] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2918
[pid  2918] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2917] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2918] <... set_robust_list resumed>) = 0
[pid  2917] <... prctl resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2918] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2917] setpgid(0, 0 <unfinished ...>
[pid  2918] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2917] <... setpgid resumed>)      = 0
[pid  2917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2918] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2917] <... openat resumed>)       = 3
[pid  2918] <... prctl resumed>)        = 0
[pid  2917] write(3, "1000", 4 <unfinished ...>
[pid  2918] setpgid(0, 0 <unfinished ...>
[pid  2917] <... write resumed>)        = 4
[pid  2918] <... setpgid resumed>)      = 0
[pid  2917] close(3 <unfinished ...>
[pid  2918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2917] <... close resumed>)        = 0
[pid  2918] <... openat resumed>)       = 3
[pid  2917] write(1, "executing program\n", 18 <unfinished ...>
[pid  2918] write(3, "1000", 4)         = 4
[pid  2917] <... write resumed>)        = 18
executing program
[pid  2918] close(3 <unfinished ...>
[pid  2917] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2918] <... close resumed>)        = 0
[pid  2918] write(1, "executing program\n", 18) = 18
[pid  2918] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid  2918] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2918] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2918] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2917] <... futex resumed>)        = 0
[pid  2918] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2917] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2918] <... mprotect resumed>)     = 0
[pid  2918] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2917] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2917] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2918] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2917] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  2918] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2919 attached
 <unfinished ...>
[pid  2917] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2918] <... clone3 resumed> => {parent_tid=[2919]}, 88) = 2919
[pid  2919] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2917] <... mmap resumed>)         = 0x7fb4de009000
[pid  2918] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2917] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2918] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2919] <... set_robust_list resumed>) = 0
[pid  2917] <... mprotect resumed>)     = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2919] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2918] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2919] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2918] <... futex resumed>)        = 0
[pid  2917] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2920 attached
 <unfinished ...>
[pid  2919] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2918] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2917] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2917] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2920] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2920
ci2-android-6-12-rust/strace-static-x86_64: Process 2921 attached
[pid  2920] <... set_robust_list resumed>) = 0
[pid  2919] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2917] <... clone3 resumed> => {parent_tid=[2921]}, 88) = 2921
[pid  2920] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2919] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2917] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2921] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2920] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2917] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2921] <... set_robust_list resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2921] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2921] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2919] <... futex resumed>)        = 1
[pid  2918] <... futex resumed>)        = 0
[pid  2919] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2918] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2919] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2918] <... futex resumed>)        = 0
[pid  2919] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2918] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2919] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2919] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2918] <... futex resumed>)        = 0
[pid  2919] <... futex resumed>)        = 1
[pid  2917] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2919] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2918] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2921] <... futex resumed>)        = 0
[pid  2920] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2917] <... futex resumed>)        = 1
[pid   314] <... restart_syscall resumed>) = 0
[pid  2921] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2919] <... openat resumed>)       = 3
[pid  2918] <... futex resumed>)        = 0
[pid  2921] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2920] <... prctl resumed>)        = 0
[pid  2918] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2917] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2921] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2920] setpgid(0, 0 <unfinished ...>
[pid  2919] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2918] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2917] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2921] <... futex resumed>)        = 0
[pid  2920] <... setpgid resumed>)      = 0
[pid  2919] <... futex resumed>)        = 0
[pid  2918] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2917] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2921] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2919] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2918] <... futex resumed>)        = 0
[pid  2917] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2921] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2917] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2920] <... openat resumed>)       = 3
[pid  2921] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2919] <... write resumed>)        = 2
[pid  2918] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2921] <... futex resumed>)        = 1
[pid  2919] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2918] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2921] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2919] <... futex resumed>)        = 0
[pid  2918] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2919] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2918] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2922 attached
[pid  2920] write(3, "1000", 4 <unfinished ...>
[pid  2919] <... openat resumed>)       = 4
[pid  2918] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2917] <... futex resumed>)        = 0
[pid  2920] <... write resumed>)        = 4
[pid  2919] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2918] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2922] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2920] close(3 <unfinished ...>
[pid  2919] <... futex resumed>)        = 0
[pid  2918] exit_group(0 <unfinished ...>
[pid  2917] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2918] <... exit_group resumed>)   = ?
[pid  2921] <... futex resumed>)        = 0
[pid  2917] <... futex resumed>)        = 1
[pid  2922] <... set_robust_list resumed>) = 0
[pid  2921] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2920] <... close resumed>)        = 0
[pid  2919] +++ exited with 0 +++
[pid  2918] +++ exited with 0 +++
[pid  2917] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2922
[pid  2922] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2921] <... openat resumed>)       = 3
[pid  2920] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2920] <... write resumed>)        = 18
[pid  2922] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2918, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2920] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2920] <... futex resumed>)        = 0
[pid  2921] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2920] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2922] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2920] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2921] <... futex resumed>)        = 1
[pid  2920] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2917] <... futex resumed>)        = 0
[pid  2921] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2917] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2921] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2917] <... futex resumed>)        = 0
[pid  2921] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2917] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2921] <... write resumed>)        = 2
[pid  2921] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2917] <... futex resumed>)        = 0
[pid  2921] <... futex resumed>)        = 1
[pid  2917] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2921] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2917] <... futex resumed>)        = 0
[pid  2921] <... openat resumed>)       = 4
[pid  2917] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2921] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2917] <... futex resumed>)        = 0
[pid  2917] exit_group(0 <unfinished ...>
[pid  2921] <... futex resumed>)        = ?
[pid  2917] <... exit_group resumed>)   = ?
[pid  2922] <... prctl resumed>)        = 0
[pid  2921] +++ exited with 0 +++
[pid  2920] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2917] +++ exited with 0 +++
[pid   312] <... restart_syscall resumed>) = 0
[pid  2922] setpgid(0, 0 <unfinished ...>
[pid  2920] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2917, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2922] <... setpgid resumed>)      = 0
[pid  2922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2920] <... mmap resumed>)         = 0x7fb4de009000
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2920] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2920] <... mprotect resumed>)     = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2922] <... openat resumed>)       = 3
[pid  2922] write(3, "1000", 4ci2-android-6-12-rust/strace-static-x86_64: Process 2923 attached
)         = 4
[pid  2922] close(3)                    = 0
[pid  2922] write(1, "executing program\n", 18) = 18
executing program
ci2-android-6-12-rust/strace-static-x86_64: Process 2924 attached
[pid  2923] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2922] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2920] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2923] <... set_robust_list resumed>) = 0
[pid  2922] <... futex resumed>)        = 0
[pid  2920] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2924] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2923] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2922] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2924
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2923
[pid  2924] <... set_robust_list resumed>) = 0
[pid  2923] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2920] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2925 attached
 <unfinished ...>
[pid  2924] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2923] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2922] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2925] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2924] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2923] <... prctl resumed>)        = 0
[pid  2922] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2920] <... clone3 resumed> => {parent_tid=[2925]}, 88) = 2925
[pid  2923] setpgid(0, 0 <unfinished ...>
[pid  2920] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2925] <... set_robust_list resumed>) = 0
[pid  2920] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2923] <... setpgid resumed>)      = 0
[pid  2925] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2920] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2925] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2925] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2924] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2922] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2920] <... futex resumed>)        = 0
[pid  2925] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2924] <... prctl resumed>)        = 0
[pid  2922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2925] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2924] setpgid(0, 0 <unfinished ...>
[pid  2923] <... openat resumed>)       = 3
[pid  2922] <... mmap resumed>)         = 0x7fb4de009000
[pid  2920] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2925] <... futex resumed>)        = 0
[pid  2924] <... setpgid resumed>)      = 0
[pid  2923] write(3, "1000", 4 <unfinished ...>
[pid  2922] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2925] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2923] <... write resumed>)        = 4
[pid  2922] <... mprotect resumed>)     = 0
[pid  2920] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2924] <... openat resumed>)       = 3
[pid  2923] close(3 <unfinished ...>
[pid  2922] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2924] write(3, "1000", 4 <unfinished ...>
[pid  2923] <... close resumed>)        = 0
[pid  2922] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2920] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2924] <... write resumed>)        = 4
[pid  2923] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  2922] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2926 attached
 <unfinished ...>
[pid  2925] <... futex resumed>)        = 0
[pid  2924] close(3 <unfinished ...>
[pid  2923] <... write resumed>)        = 18
[pid  2920] <... futex resumed>)        = 1
[pid  2926] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2925] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2924] <... close resumed>)        = 0
[pid  2923] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2926] <... set_robust_list resumed>) = 0
[pid  2925] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2924] write(1, "executing program\n", 18 <unfinished ...>
[pid  2923] <... futex resumed>)        = 0
[pid  2922] <... clone3 resumed> => {parent_tid=[2926]}, 88) = 2926
[pid  2920] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2926] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2925] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2923] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2926] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2925] <... futex resumed>)        = 0
[pid  2920] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2923] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2926] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2925] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2924] <... write resumed>)        = 18
[pid  2923] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2922] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2920] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2925] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2924] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  2923] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2922] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2925] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2924] <... futex resumed>)        = 0
[pid  2923] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2922] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2920] <... futex resumed>)        = 0
[pid  2925] <... openat resumed>)       = 3
[pid  2924] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2922] <... futex resumed>)        = 1
[pid  2926] <... futex resumed>)        = 0
[pid  2925] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2924] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2923] <... mmap resumed>)         = 0x7fb4de009000
[pid  2922] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2920] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2926] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2925] <... futex resumed>)        = 0
[pid  2924] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2923] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2926] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2925] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2924] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2920] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2926] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2923] <... mprotect resumed>)     = 0
[pid  2926] <... futex resumed>)        = 1
[pid  2924] <... mmap resumed>)         = 0x7fb4de009000
[pid  2922] <... futex resumed>)        = 0
[pid  2920] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2926] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2924] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2923] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2922] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2926] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2925] <... futex resumed>)        = 0
[pid  2924] <... mprotect resumed>)     = 0
[pid  2923] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2922] <... futex resumed>)        = 0
[pid  2920] <... futex resumed>)        = 1
[pid  2926] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2925] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2924] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2923] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2922] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2926] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2925] <... write resumed>)        = 2
[pid  2920] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2927 attached
 <unfinished ...>
[pid  2926] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2925] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2924] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2922] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2920] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2927] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2926] <... futex resumed>)        = 0
[pid  2925] <... futex resumed>)        = 0
[pid  2924] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2923] <... clone3 resumed> => {parent_tid=[2927]}, 88) = 2927
[pid  2922] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2920] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2928 attached
 <unfinished ...>
[pid  2927] <... set_robust_list resumed>) = 0
[pid  2926] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2925] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2923] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2922] <... futex resumed>)        = 0
[pid  2920] <... futex resumed>)        = 0
[pid  2928] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2927] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2926] <... openat resumed>)       = 3
[pid  2925] <... openat resumed>)       = 4
[pid  2924] <... clone3 resumed> => {parent_tid=[2928]}, 88) = 2928
[pid  2923] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2922] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2920] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2928] <... set_robust_list resumed>) = 0
[pid  2927] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2926] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2925] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2923] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2920] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2928] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2927] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2926] <... futex resumed>)        = 0
[pid  2925] <... futex resumed>)        = 0
[pid  2923] <... futex resumed>)        = 0
[pid  2928] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2927] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2926] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2925] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2920] exit_group(0 <unfinished ...>
[pid  2928] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2927] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2923] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2920] <... exit_group resumed>)   = ?
[pid  2925] <... futex resumed>)        = ?
[pid  2923] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2923] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2927] <... futex resumed>)        = 0
[pid  2923] <... futex resumed>)        = 0
[pid  2927] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2924] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2922] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2924] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2922] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2924] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2922] <... futex resumed>)        = 1
[pid  2928] <... futex resumed>)        = 0
[pid  2925] +++ exited with 0 +++
[pid  2924] <... futex resumed>)        = 1
[pid  2922] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2920] +++ exited with 0 +++
[pid  2923] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2928] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2927] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2926] <... futex resumed>)        = 0
[pid  2924] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2928] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2927] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2926] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2928] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2927] <... futex resumed>)        = 1
[pid  2923] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2920, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2926] <... write resumed>)        = 2
[pid  2928] <... futex resumed>)        = 1
[pid  2927] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2926] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2924] <... futex resumed>)        = 0
[pid  2923] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2928] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2927] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2926] <... futex resumed>)        = 1
[pid  2924] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2923] <... futex resumed>)        = 0
[pid  2922] <... futex resumed>)        = 0
[pid  2928] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2927] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2926] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2924] <... futex resumed>)        = 0
[pid  2923] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2922] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2928] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2927] <... openat resumed>)       = 3
[pid  2926] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2924] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2922] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2928] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2927] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2926] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2922] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2928] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2927] <... futex resumed>)        = 1
[pid  2926] <... openat resumed>)       = 4
[pid  2923] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2928] <... futex resumed>)        = 1
[pid  2927] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2926] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2924] <... futex resumed>)        = 0
[pid  2923] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2928] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2927] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2926] <... futex resumed>)        = 1
[pid  2924] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2923] <... futex resumed>)        = 0
[pid  2922] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2929 attached
[pid  2928] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2927] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2926] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2924] <... futex resumed>)        = 0
[pid  2923] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2922] exit_group(0 <unfinished ...>
[pid  2929] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2928] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2927] <... write resumed>)        = 2
[pid  2926] <... futex resumed>)        = ?
[pid  2924] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2922] <... exit_group resumed>)   = ?
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2929
[pid  2929] <... set_robust_list resumed>) = 0
[pid  2928] <... openat resumed>)       = 3
[pid  2927] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2926] +++ exited with 0 +++
[pid  2922] +++ exited with 0 +++
[pid  2929] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2928] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2927] <... futex resumed>)        = 1
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2923] <... futex resumed>)        = 0
[pid  2929] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2928] <... futex resumed>)        = 1
[pid  2927] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2924] <... futex resumed>)        = 0
[pid  2923] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2922, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2929] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2928] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2927] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2924] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2923] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2929] <... prctl resumed>)        = 0
[pid  2928] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2927] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2924] <... futex resumed>)        = 0
[pid  2923] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2929] setpgid(0, 0 <unfinished ...>
[pid  2928] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2924] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2929] <... setpgid resumed>)      = 0
[pid  2928] <... write resumed>)        = 2
[pid  2927] <... openat resumed>)       = 4
[pid  2929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2928] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2929] <... openat resumed>)       = 3
[pid  2928] <... futex resumed>)        = 1
[pid  2927] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2924] <... futex resumed>)        = 0
[pid  2929] write(3, "1000", 4 <unfinished ...>
[pid  2928] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2927] <... futex resumed>)        = 1
[pid  2924] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2923] <... futex resumed>)        = 0
[pid  2929] <... write resumed>)        = 4
[pid  2928] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2927] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2924] <... futex resumed>)        = 0
[pid  2929] close(3 <unfinished ...>
[pid  2928] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2924] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2923] exit_group(0 <unfinished ...>
[pid  2929] <... close resumed>)        = 0
[pid  2928] <... openat resumed>)       = 4
[pid  2927] <... futex resumed>)        = ?
[pid  2929] write(1, "executing program\n", 18 <unfinished ...>
[pid  2923] <... exit_group resumed>)   = ?
[pid  2927] +++ exited with 0 +++
[pid  2929] <... write resumed>)        = 18
executing program
[pid  2928] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2924] <... futex resumed>)        = 0
[pid  2928] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2924] exit_group(0 <unfinished ...>
[pid  2928] <... futex resumed>)        = ?
[pid  2924] <... exit_group resumed>)   = ?
[pid  2929] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2928] +++ exited with 0 +++
[pid  2924] +++ exited with 0 +++
[pid  2923] +++ exited with 0 +++
[pid  2929] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2923, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  2929] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2924, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2929] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2929] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2929] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2929] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2929] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2929] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2929] <... mprotect resumed>)     = 0
[pid  2929] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2930 attached
, [], 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2930] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2929] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2930] <... set_robust_list resumed>) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2930
ci2-android-6-12-rust/strace-static-x86_64: Process 2931 attached
[pid  2930] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2930] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2929] <... clone3 resumed> => {parent_tid=[2931]}, 88) = 2931
[pid  2929] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2929] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2932 attached
 <unfinished ...>
[pid  2931] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2929] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2932] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2931] <... set_robust_list resumed>) = 0
[pid  2930] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2929] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2932] <... set_robust_list resumed>) = 0
[pid  2931] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2930] <... prctl resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2932
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2932] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2931] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2930] setpgid(0, 0 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2932] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2931] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2930] <... setpgid resumed>)      = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2932] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2932] setpgid(0, 0ci2-android-6-12-rust/strace-static-x86_64: Process 2933 attached
 <unfinished ...>
[pid  2931] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2933
[pid  2933] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2931] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2932] <... setpgid resumed>)      = 0
[pid  2931] <... futex resumed>)        = 1
[pid  2930] <... openat resumed>)       = 3
[pid  2933] <... set_robust_list resumed>) = 0
[pid  2929] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2933] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2931] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2930] write(3, "1000", 4 <unfinished ...>
[pid  2929] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2933] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2932] <... openat resumed>)       = 3
[pid  2931] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2930] <... write resumed>)        = 4
[pid  2929] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2933] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2931] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2930] close(3 <unfinished ...>
[pid  2929] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2933] <... prctl resumed>)        = 0
executing program
[pid  2932] write(3, "1000", 4 <unfinished ...>
[pid  2931] <... futex resumed>)        = 0
[pid  2930] <... close resumed>)        = 0
[pid  2929] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2933] setpgid(0, 0 <unfinished ...>
[pid  2932] <... write resumed>)        = 4
[pid  2931] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2930] write(1, "executing program\n", 18 <unfinished ...>
[pid  2929] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2933] <... setpgid resumed>)      = 0
[pid  2932] close(3 <unfinished ...>
[pid  2931] <... openat resumed>)       = 3
[pid  2930] <... write resumed>)        = 18
[pid  2929] <... futex resumed>)        = 0
[pid  2933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2932] <... close resumed>)        = 0
[pid  2931] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2930] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2929] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2933] <... openat resumed>)       = 3
[pid  2932] write(1, "executing program\n", 18 <unfinished ...>
[pid  2931] <... futex resumed>)        = 0
[pid  2930] <... futex resumed>)        = 0
[pid  2929] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
executing program
[pid  2933] write(3, "1000", 4 <unfinished ...>
[pid  2932] <... write resumed>)        = 18
[pid  2931] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2930] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2929] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2933] <... write resumed>)        = 4
[pid  2932] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2931] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2930] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2929] <... futex resumed>)        = 0
[pid  2933] close(3 <unfinished ...>
[pid  2932] <... futex resumed>)        = 0
[pid  2931] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2930] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2929] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2933] <... close resumed>)        = 0
[pid  2932] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2933] write(1, "executing program\n", 18 <unfinished ...>
[pid  2932] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2931] <... write resumed>)        = 2
[pid  2930] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2933] <... write resumed>)        = 18
[pid  2932] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
executing program
[pid  2931] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2930] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2933] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2932] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2931] <... futex resumed>)        = 1
[pid  2929] <... futex resumed>)        = 0
[pid  2933] <... futex resumed>)        = 0
[pid  2932] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2931] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2930] <... mmap resumed>)         = 0x7fb4de009000
[pid  2929] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2933] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2932] <... mmap resumed>)         = 0x7fb4de009000
[pid  2931] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2929] <... futex resumed>)        = 0
[pid  2932] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2929] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2933] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2932] <... mprotect resumed>)     = 0
[pid  2931] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2930] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2933] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2930] <... mprotect resumed>)     = 0
[pid  2932] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2932] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2934 attached
 <unfinished ...>
[pid  2933] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2931] <... openat resumed>)       = 4
[pid  2933] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2930] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2934] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2933] <... mmap resumed>)         = 0x7fb4de009000
[pid  2931] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2930] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2934] <... set_robust_list resumed>) = 0
[pid  2933] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2932] <... clone3 resumed> => {parent_tid=[2934]}, 88) = 2934
[pid  2931] <... futex resumed>)        = 1
[pid  2930] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2929] <... futex resumed>)        = 0
[pid  2934] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2933] <... mprotect resumed>)     = 0
[pid  2932] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2931] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2929] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 2935 attached
 <unfinished ...>
[pid  2934] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2933] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2932] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2931] <... futex resumed>)        = ?
[pid  2929] <... exit_group resumed>)   = ?
[pid  2935] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2934] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2932] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2930] <... clone3 resumed> => {parent_tid=[2935]}, 88) = 2935
[pid  2935] <... set_robust_list resumed>) = 0
[pid  2934] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2932] <... futex resumed>)        = 0
[pid  2935] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2934] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2932] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2935] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2934] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2935] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2934] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2932] <... futex resumed>)        = 0
[pid  2931] +++ exited with 0 +++
[pid  2929] +++ exited with 0 +++
[pid  2933] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2930] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2933] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2930] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2929, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2934] <... futex resumed>)        = 1
[pid  2932] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2936 attached
 <unfinished ...>
[pid  2934] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2932] <... futex resumed>)        = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2936] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2935] <... futex resumed>)        = 0
[pid  2934] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2933] <... clone3 resumed> => {parent_tid=[2936]}, 88) = 2936
[pid  2932] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2930] <... futex resumed>)        = 1
[pid  2936] <... set_robust_list resumed>) = 0
[pid  2935] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2934] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2933] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2932] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2930] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2936] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2935] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2934] <... futex resumed>)        = 0
[pid  2933] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2932] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2936] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2935] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2934] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2932] <... futex resumed>)        = 0
[pid  2936] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2935] <... futex resumed>)        = 1
[pid  2934] <... openat resumed>)       = 3
[pid  2933] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2932] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2930] <... futex resumed>)        = 0
[pid  2936] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2935] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2934] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2933] <... futex resumed>)        = 0
[pid  2932] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2930] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2936] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2935] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2934] <... futex resumed>)        = 0
[pid  2933] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2932] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2930] <... futex resumed>)        = 0
[pid  2936] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2935] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2934] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2932] <... futex resumed>)        = 0
[pid  2930] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2936] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2934] <... write resumed>)        = 2
[pid  2932] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2936] <... futex resumed>)        = 1
[pid  2935] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2934] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2933] <... futex resumed>)        = 0
[pid  2932] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2936] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2934] <... futex resumed>)        = 0
[pid  2932] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2934] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2932] <... futex resumed>)        = 0
[pid  2935] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2934] <... openat resumed>)       = 4
[pid  2933] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2932] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2935] <... futex resumed>)        = 1
[pid  2933] <... futex resumed>)        = 1
[pid  2930] <... futex resumed>)        = 0
[pid  2935] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2933] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2930] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2935] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2935] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2930] <... futex resumed>)        = 0
[pid  2936] <... futex resumed>)        = 0
[pid  2935] <... openat resumed>)       = 3
[pid  2934] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2930] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2936] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2935] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2934] <... futex resumed>)        = 1
[pid  2932] <... futex resumed>)        = 0
[pid  2936] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2935] <... futex resumed>)        = 0
[pid  2934] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2932] exit_group(0 <unfinished ...>
[pid  2930] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2936] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2935] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2934] <... futex resumed>)        = ?
[pid  2932] <... exit_group resumed>)   = ?
[pid  2930] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2936] <... futex resumed>)        = 1
[pid  2935] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2934] +++ exited with 0 +++
[pid  2933] <... futex resumed>)        = 0
[pid  2932] +++ exited with 0 +++
[pid  2930] <... futex resumed>)        = 0
[pid  2936] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2935] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2933] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2936] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2935] <... write resumed>)        = 2
[pid  2933] <... futex resumed>)        = 0
[pid  2930] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2932, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2936] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2933] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2936] <... openat resumed>)       = 3
[pid  2935] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2936] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2935] <... futex resumed>)        = 1
[pid  2930] <... futex resumed>)        = 0
[pid  2936] <... futex resumed>)        = 1
[pid  2935] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2933] <... futex resumed>)        = 0
[pid  2936] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2933] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2936] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2935] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2933] <... futex resumed>)        = 0
[pid  2930] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2936] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2935] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2933] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2930] <... futex resumed>)        = 0
[pid  2936] <... write resumed>)        = 2
[pid  2936] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2933] <... futex resumed>)        = 0
[pid  2933] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2935] <... openat resumed>)       = 4
[pid  2933] <... futex resumed>)        = 0
[pid  2930] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2936] <... futex resumed>)        = 1
[pid  2933] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2936] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2935] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2936] <... openat resumed>)       = 4
[pid  2935] <... futex resumed>)        = 1
[pid  2930] <... futex resumed>)        = 0
[pid  2935] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2936] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2930] exit_group(0 <unfinished ...>
[pid  2936] <... futex resumed>)        = 1
[pid  2935] <... futex resumed>)        = ?
[pid  2933] <... futex resumed>)        = 0
[pid  2930] <... exit_group resumed>)   = ?
[pid  2936] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2935] +++ exited with 0 +++
[pid  2933] exit_group(0 <unfinished ...>
[pid  2936] <... futex resumed>)        = ?
[pid  2933] <... exit_group resumed>)   = ?
[pid  2936] +++ exited with 0 +++
[pid  2933] +++ exited with 0 +++
[pid  2930] +++ exited with 0 +++
[pid   313] <... restart_syscall resumed>) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2933, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2930, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2937 attached
 <unfinished ...>
[pid  2937] set_robust_list(0x55557716c6a0, 24) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2937
[pid  2937] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2937] setpgid(0, 0 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2937] <... setpgid resumed>)      = 0
[pid  2937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2937] write(3, "1000", 4)         = 4
[pid  2937] close(3)                    = 0
[pid  2937] write(1, "executing program\n", 18) = 18
[pid  2937] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid  2937] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2937] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2937] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2937] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2937] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2937] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2938 attached
 => {parent_tid=[2938]}, 88) = 2938
[pid  2938] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2937] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2938] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2937] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2938] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2937] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2938] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2937] <... futex resumed>)        = 0
[pid  2937] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2938] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  2938] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  2938] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2937] <... futex resumed>)        = 0
[pid  2937] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2938] <... futex resumed>)        = 0
[pid  2937] <... futex resumed>)        = 1
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2938] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2937] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2938] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
ci2-android-6-12-rust/strace-static-x86_64: Process 2939 attached
[pid  2938] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2937] <... futex resumed>)        = 0
[pid  2937] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2938] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2937] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2940 attached
[pid  2939] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2938] <... openat resumed>)       = 3
[pid  2937] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2940] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2939] <... set_robust_list resumed>) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2940
[pid  2940] <... set_robust_list resumed>) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2939
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2940] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2939] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2938] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2940] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2939] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2938] <... futex resumed>)        = 1
[pid  2937] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2940] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2939] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2938] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2937] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2940] <... prctl resumed>)        = 0
[pid  2939] <... prctl resumed>)        = 0
[pid  2938] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2937] <... futex resumed>)        = 0
[pid  2940] setpgid(0, 0 <unfinished ...>
[pid  2939] setpgid(0, 0 <unfinished ...>
[pid  2938] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2937] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2940] <... setpgid resumed>)      = 0
[pid  2939] <... setpgid resumed>)      = 0
[pid  2938] <... write resumed>)        = 2
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2938] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2940] <... openat resumed>)       = 3
[pid  2939] <... openat resumed>)       = 3
[pid  2938] <... futex resumed>)        = 1
[pid  2937] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2940] write(3, "1000", 4 <unfinished ...>
[pid  2939] write(3, "1000", 4 <unfinished ...>
[pid  2938] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2937] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2940] <... write resumed>)        = 4
[pid  2938] <... openat resumed>)       = 4
[pid  2937] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2941 attached
[pid  2939] <... write resumed>)        = 4
[pid  2938] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2937] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2940] close(3 <unfinished ...>
[pid  2941] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2939] close(3 <unfinished ...>
[pid  2938] <... futex resumed>)        = 0
[pid  2937] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2941] <... set_robust_list resumed>) = 0
[pid  2940] <... close resumed>)        = 0
[pid  2939] <... close resumed>)        = 0
[pid  2938] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2937] exit_group(0 <unfinished ...>
[pid  2941] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2939] write(1, "executing program\n", 18 <unfinished ...>
[pid  2938] <... futex resumed>)        = ?
[pid  2940] write(1, "executing program\n", 18 <unfinished ...>
[pid  2937] <... exit_group resumed>)   = ?
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2941
[pid  2941] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2940] <... write resumed>)        = 18
[pid  2939] <... write resumed>)        = 18
[pid  2938] +++ exited with 0 +++
[pid  2937] +++ exited with 0 +++
executing program
executing program
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2941] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2940] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2939] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2941] <... prctl resumed>)        = 0
[pid  2940] <... futex resumed>)        = 0
[pid  2939] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2937, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2941] setpgid(0, 0 <unfinished ...>
[pid  2940] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2939] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2941] <... setpgid resumed>)      = 0
[pid  2940] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2939] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2940] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2940] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2939] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2941] <... openat resumed>)       = 3
[pid  2940] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2939] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2941] write(3, "1000", 4 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2940] <... mmap resumed>)         = 0x7fb4de009000
[pid  2941] <... write resumed>)        = 4
[pid  2939] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2941] close(3 <unfinished ...>
[pid  2940] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2941] <... close resumed>)        = 0
[pid  2939] <... mmap resumed>)         = 0x7fb4de009000
[pid  2940] <... mprotect resumed>)     = 0
[pid  2941] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  2939] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2941] <... write resumed>)        = 18
[pid  2940] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2939] <... mprotect resumed>)     = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2942 attached
 <unfinished ...>
[pid  2941] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2940] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2939] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2942] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2941] <... futex resumed>)        = 0
[pid  2940] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2939] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2942] <... set_robust_list resumed>) = 0
[pid  2941] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}ci2-android-6-12-rust/strace-static-x86_64: Process 2943 attached
 <unfinished ...>
[pid  2942] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2941] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2939] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2942
[pid  2943] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2942] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2941] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2940] <... clone3 resumed> => {parent_tid=[2943]}, 88) = 2943
[pid   313] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2944 attached
 <unfinished ...>
[pid  2943] <... set_robust_list resumed>) = 0
[pid  2942] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2941] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2940] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2944] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2943] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2942] <... prctl resumed>)        = 0
[pid  2941] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2940] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2939] <... clone3 resumed> => {parent_tid=[2944]}, 88) = 2944
[pid  2944] <... set_robust_list resumed>) = 0
[pid  2943] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2942] setpgid(0, 0 <unfinished ...>
[pid  2941] <... mmap resumed>)         = 0x7fb4de009000
[pid  2940] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2939] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2944] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2943] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2942] <... setpgid resumed>)      = 0
[pid  2941] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2940] <... futex resumed>)        = 0
[pid  2939] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2944] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2943] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2944] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2941] <... mprotect resumed>)     = 0
[pid  2940] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2944] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2943] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2940] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2939] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2942] <... openat resumed>)       = 3
[pid  2939] <... futex resumed>)        = 0
[pid  2943] <... futex resumed>)        = 0
[pid  2944] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2941] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2940] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2944] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2943] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2942] write(3, "1000", 4 <unfinished ...>
[pid  2941] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2940] <... futex resumed>)        = 0
[pid  2939] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2944] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2943] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2942] <... write resumed>)        = 4
[pid  2941] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2940] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2939] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2945 attached
[pid  2944] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2943] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2942] close(3 <unfinished ...>
[pid  2940] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2939] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2945] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2944] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2943] <... futex resumed>)        = 0
[pid  2942] <... close resumed>)        = 0
[pid  2941] <... clone3 resumed> => {parent_tid=[2945]}, 88) = 2945
[pid  2940] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2939] <... futex resumed>)        = 0
[pid  2945] <... set_robust_list resumed>) = 0
[pid  2944] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2943] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2942] write(1, "executing program\n", 18 <unfinished ...>
[pid  2941] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2940] <... futex resumed>)        = 0
[pid  2939] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2945] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2943] <... openat resumed>)       = 3
[pid  2942] <... write resumed>)        = 18
[pid  2944] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2941] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2940] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2945] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2944] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2943] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2942] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2941] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2940] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2945] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2944] <... futex resumed>)        = 1
[pid  2943] <... futex resumed>)        = 0
[pid  2942] <... futex resumed>)        = 0
[pid  2941] <... futex resumed>)        = 0
[pid  2940] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2939] <... futex resumed>)        = 0
[pid  2945] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2944] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2943] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2942] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2941] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2940] <... futex resumed>)        = 0
[pid  2939] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2945] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2944] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2943] <... write resumed>)        = 2
[pid  2942] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2941] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2940] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2939] <... futex resumed>)        = 0
[pid  2945] <... futex resumed>)        = 0
[pid  2944] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2943] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2942] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2941] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2940] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2939] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2945] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2944] <... openat resumed>)       = 3
[pid  2943] <... futex resumed>)        = 0
[pid  2942] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2941] <... futex resumed>)        = 0
[pid  2940] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2945] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2944] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2943] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2942] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2940] <... futex resumed>)        = 0
[pid  2945] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2944] <... futex resumed>)        = 1
[pid  2941] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2939] <... futex resumed>)        = 0
[pid  2943] <... openat resumed>)       = 4
[pid  2942] <... mmap resumed>)         = 0x7fb4de009000
[pid  2945] <... futex resumed>)        = 0
[pid  2941] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2940] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2944] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2939] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2942] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2945] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2944] <... write resumed>)        = 2
[pid  2943] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2941] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2940] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2939] <... futex resumed>)        = 0
[pid  2945] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2944] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2943] <... futex resumed>)        = 0
[pid  2942] <... mprotect resumed>)     = 0
[pid  2941] <... futex resumed>)        = 0
[pid  2945] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2944] <... futex resumed>)        = 0
[pid  2943] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2940] exit_group(0 <unfinished ...>
[pid  2939] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2945] <... openat resumed>)       = 3
[pid  2944] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2943] <... futex resumed>)        = ?
[pid  2942] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2941] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2940] <... exit_group resumed>)   = ?
[pid  2939] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2945] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2943] +++ exited with 0 +++
[pid  2942] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2941] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
executing program
[pid  2939] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2944] <... futex resumed>)        = 0
[pid  2939] <... futex resumed>)        = 1
[pid  2944] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2940] +++ exited with 0 +++
[pid  2945] <... futex resumed>)        = 0
[pid  2944] <... openat resumed>)       = 4
[pid  2942] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2941] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2939] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2946 attached
 <unfinished ...>
[pid  2945] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2944] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2941] <... futex resumed>)        = 0
[pid  2939] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2940, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2946] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2945] <... write resumed>)        = 2
[pid  2944] <... futex resumed>)        = 0
[pid  2942] <... clone3 resumed> => {parent_tid=[2946]}, 88) = 2946
[pid  2941] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2939] exit_group(0 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2946] <... set_robust_list resumed>) = 0
[pid  2945] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2942] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2946] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2945] <... futex resumed>)        = 0
[pid  2942] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2941] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2946] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2945] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2942] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2941] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2946] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2945] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2942] <... futex resumed>)        = 0
[pid  2941] <... futex resumed>)        = 0
[pid  2946] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2945] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2942] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2946] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2941] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2946] <... futex resumed>)        = 0
[pid  2945] <... openat resumed>)       = 4
[pid  2942] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2939] <... exit_group resumed>)   = ?
[pid  2946] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2945] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2944] +++ exited with 0 +++
[pid  2942] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2939] +++ exited with 0 +++
[pid  2946] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2945] <... futex resumed>)        = 1
[pid  2942] <... futex resumed>)        = 0
[pid  2941] <... futex resumed>)        = 0
[pid  2946] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2945] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2942] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2941] exit_group(0 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2939, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2946] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2945] <... futex resumed>)        = ?
[pid  2941] <... exit_group resumed>)   = ?
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2946] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2945] +++ exited with 0 +++
[pid  2946] <... futex resumed>)        = 1
[pid  2942] <... futex resumed>)        = 0
[pid  2942] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2946] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2942] <... futex resumed>)        = 0
[pid  2946] <... openat resumed>)       = 3
[pid  2941] +++ exited with 0 +++
[pid  2942] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2946] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2946] <... futex resumed>)        = 1
[pid  2942] <... futex resumed>)        = 0
[pid  2946] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2942] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2941, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2946] <... write resumed>)        = 2
[pid  2942] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2942] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2946] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2946] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 2947 attached
 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2947
[pid   315] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2948 attached
 <unfinished ...>
[pid  2942] <... futex resumed>)        = 0
[pid  2947] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2942] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2948] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2947] <... set_robust_list resumed>) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2948
[pid  2946] <... futex resumed>)        = 0
[pid  2942] <... futex resumed>)        = 1
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2948] <... set_robust_list resumed>) = 0
[pid  2947] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2946] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2942] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2948] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2947] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2946] <... openat resumed>)       = 4
[pid  2948] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2947] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2946] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2948] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2947] <... prctl resumed>)        = 0
[pid  2946] <... futex resumed>)        = 1
[pid  2942] <... futex resumed>)        = 0
[pid  2948] <... prctl resumed>)        = 0
[pid  2947] setpgid(0, 0 <unfinished ...>
[pid  2948] setpgid(0, 0 <unfinished ...>
[pid  2947] <... setpgid resumed>)      = 0
[pid  2946] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2942] exit_group(0 <unfinished ...>
[pid  2948] <... setpgid resumed>)      = 0
[pid  2947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2942] <... exit_group resumed>)   = ?
[pid  2947] <... openat resumed>)       = 3
[pid  2946] <... futex resumed>)        = ?
[pid  2948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2946] +++ exited with 0 +++
[pid  2947] write(3, "1000", 4)         = 4
[pid  2947] close(3)                    = 0
[pid  2947] write(1, "executing program\n", 18 <unfinished ...>
[pid  2942] +++ exited with 0 +++
[pid  2948] <... openat resumed>)       = 3
[pid  2947] <... write resumed>)        = 18
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2942, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2948] write(3, "1000", 4 <unfinished ...>
executing program
[pid  2947] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2948] <... write resumed>)        = 4
[pid  2947] <... futex resumed>)        = 0
[pid  2948] close(3)                    = 0
[pid  2947] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2948] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  2947] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2948] <... write resumed>)        = 18
[pid  2947] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2948] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2948] <... futex resumed>)        = 0
[pid  2947] <... mmap resumed>)         = 0x7fb4de009000
[pid   314] <... restart_syscall resumed>) = 0
[pid  2948] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2947] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2948] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2947] <... mprotect resumed>)     = 0
[pid  2948] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2947] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2948] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2947] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2948] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2947] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2949 attached
 <unfinished ...>
[pid  2948] <... mmap resumed>)         = 0x7fb4de009000
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2949] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2948] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2949] <... set_robust_list resumed>) = 0
[pid  2948] <... mprotect resumed>)     = 0
[pid  2947] <... clone3 resumed> => {parent_tid=[2949]}, 88) = 2949
[pid  2947] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2950 attached
 <unfinished ...>
[pid  2949] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2947] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2950] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2949] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2948] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2947] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2950] <... set_robust_list resumed>) = 0
[pid  2949] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2948] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2947] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2950
[pid  2950] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2948] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2949] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2950] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2951 attached
 <unfinished ...>
[pid  2950] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2949] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2947] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  2951] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2950] <... prctl resumed>)        = 0
[pid  2949] <... futex resumed>)        = 0
[pid  2948] <... clone3 resumed> => {parent_tid=[2951]}, 88) = 2951
[pid  2947] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2951] <... set_robust_list resumed>) = 0
[pid  2950] setpgid(0, 0 <unfinished ...>
[pid  2949] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2948] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2947] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2951] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2950] <... setpgid resumed>)      = 0
[pid  2949] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2948] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2947] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2951] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2949] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2948] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2947] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2951] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2950] <... openat resumed>)       = 3
[pid  2949] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2948] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2952 attached
 <unfinished ...>
[pid  2951] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2950] write(3, "1000", 4 <unfinished ...>
[pid  2949] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2948] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2952] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2951] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2950] <... write resumed>)        = 4
[pid  2949] <... futex resumed>)        = 1
[pid  2948] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2947] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2952
[pid  2952] <... set_robust_list resumed>) = 0
[pid  2951] <... futex resumed>)        = 0
[pid  2950] close(3 <unfinished ...>
[pid  2949] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2948] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2947] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2952] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2951] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2950] <... close resumed>)        = 0
[pid  2949] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2948] <... futex resumed>)        = 0
[pid  2947] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2952] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2951] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2950] write(1, "executing program\n", 18 <unfinished ...>
[pid  2949] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2948] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
executing program
[pid  2947] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2952] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2951] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2950] <... write resumed>)        = 18
[pid  2949] <... openat resumed>)       = 3
[pid  2948] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2952] <... prctl resumed>)        = 0
[pid  2951] <... futex resumed>)        = 0
[pid  2950] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2949] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2948] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2952] setpgid(0, 0 <unfinished ...>
[pid  2951] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2950] <... futex resumed>)        = 0
[pid  2949] <... futex resumed>)        = 1
[pid  2947] <... futex resumed>)        = 0
[pid  2952] <... setpgid resumed>)      = 0
[pid  2951] <... openat resumed>)       = 3
[pid  2950] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2949] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2948] <... futex resumed>)        = 0
[pid  2947] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2951] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2950] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2949] <... write resumed>)        = 2
[pid  2948] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2952] <... openat resumed>)       = 3
[pid  2951] <... futex resumed>)        = 0
[pid  2950] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2949] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2948] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2947] <... futex resumed>)        = 0
[pid  2952] write(3, "1000", 4 <unfinished ...>
[pid  2951] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2950] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2949] <... futex resumed>)        = 0
[pid  2948] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2947] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2952] <... write resumed>)        = 4
[pid  2951] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2950] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2949] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2948] <... futex resumed>)        = 0
[pid  2947] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2952] close(3 <unfinished ...>
[pid  2951] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2950] <... mmap resumed>)         = 0x7fb4de009000
[pid  2949] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2948] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2947] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2952] <... close resumed>)        = 0
[pid  2951] <... write resumed>)        = 2
[pid  2950] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2949] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2947] <... futex resumed>)        = 0
[pid  2952] write(1, "executing program\n", 18 <unfinished ...>
[pid  2951] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  2947] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2952] <... write resumed>)        = 18
[pid  2951] <... futex resumed>)        = 1
[pid  2950] <... mprotect resumed>)     = 0
[pid  2949] <... openat resumed>)       = 4
[pid  2948] <... futex resumed>)        = 0
[pid  2952] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2951] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2950] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2952] <... futex resumed>)        = 0
[pid  2949] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2948] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2950] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2952] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2951] <... futex resumed>)        = 0
[pid  2949] <... futex resumed>)        = 1
[pid  2948] <... futex resumed>)        = 1
[pid  2947] <... futex resumed>)        = 0
[pid  2952] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2951] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2950] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2949] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2948] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2947] exit_group(0 <unfinished ...>
[pid  2952] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2951] <... openat resumed>)       = 4
[pid  2947] <... exit_group resumed>)   = ?
[pid  2952] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2951] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2949] <... futex resumed>)        = ?
[pid  2952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2951] <... futex resumed>)        = 1
[pid  2949] +++ exited with 0 +++
[pid  2952] <... mmap resumed>)         = 0x7fb4de009000
[pid  2951] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2950] <... clone3 resumed> => {parent_tid=[2953]}, 88) = 2953
[pid  2948] <... futex resumed>)        = 0
[pid  2952] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2950] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2948] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 2953 attached
 <unfinished ...>
[pid  2952] <... mprotect resumed>)     = 0
[pid  2951] <... futex resumed>)        = ?
[pid  2950] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2948] <... exit_group resumed>)   = ?
[pid  2947] +++ exited with 0 +++
[pid  2953] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2951] +++ exited with 0 +++
[pid  2950] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2947, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2952] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2948] +++ exited with 0 +++
[pid  2953] <... set_robust_list resumed>) = 0
[pid  2950] <... futex resumed>)        = 0
[pid  2953] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2948, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2953] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2950] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2953] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2952] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2953] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2952] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2954 attached
 <unfinished ...>
[pid  2953] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2952] <... clone3 resumed> => {parent_tid=[2954]}, 88) = 2954
[pid  2954] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2953] <... futex resumed>)        = 1
[pid  2952] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2950] <... futex resumed>)        = 0
[pid  2954] <... set_robust_list resumed>) = 0
[pid  2953] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2952] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2954] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2953] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2952] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2950] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2954] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2953] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2952] <... futex resumed>)        = 0
[pid  2950] <... futex resumed>)        = 0
[pid  2954] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2952] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  2954] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2953] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2950] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2954] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2953] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2950] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2954] <... futex resumed>)        = 1
[pid  2953] <... futex resumed>)        = 0
[pid  2952] <... futex resumed>)        = 0
[pid  2950] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2954] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2953] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2952] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2950] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2954] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2953] <... openat resumed>)       = 3
[pid  2950] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2954] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2953] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2950] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2954] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2953] <... futex resumed>)        = 0
[pid  2952] <... futex resumed>)        = 0
[pid  2950] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2954] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2953] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2952] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2950] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2955 attached
[pid  2954] <... futex resumed>)        = 0
[pid  2953] <... write resumed>)        = 2
[pid  2952] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2950] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2955] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2954] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2953] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2955] <... set_robust_list resumed>) = 0
[pid  2950] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2953] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2955] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2953] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2952] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2950] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2955
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2955] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2954] <... futex resumed>)        = 0
[pid  2953] <... openat resumed>)       = 4
[pid  2952] <... futex resumed>)        = 1
[pid  2950] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2956 attached
 <unfinished ...>
[pid  2952] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2956] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2955] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2954] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2953] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2950] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2956] <... set_robust_list resumed>) = 0
[pid  2955] <... prctl resumed>)        = 0
[pid  2954] <... openat resumed>)       = 3
[pid  2953] <... futex resumed>)        = 0
[pid  2950] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2956
[pid  2956] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2955] setpgid(0, 0 <unfinished ...>
[pid  2953] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2956] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2955] <... setpgid resumed>)      = 0
[pid  2950] exit_group(0 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2954] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2956] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2954] <... futex resumed>)        = 1
[pid  2953] <... futex resumed>)        = ?
[pid  2952] <... futex resumed>)        = 0
[pid  2950] <... exit_group resumed>)   = ?
[pid  2956] <... prctl resumed>)        = 0
[pid  2954] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2953] +++ exited with 0 +++
[pid  2952] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2952] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2955] <... openat resumed>)       = 3
[pid  2950] +++ exited with 0 +++
[pid  2956] setpgid(0, 0 <unfinished ...>
[pid  2955] write(3, "1000", 4 <unfinished ...>
[pid  2954] <... write resumed>)        = 2
[pid  2956] <... setpgid resumed>)      = 0
[pid  2955] <... write resumed>)        = 4
[pid  2956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2955] close(3 <unfinished ...>
[pid  2954] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2950, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  2952] <... futex resumed>)        = 0
[pid  2956] <... openat resumed>)       = 3
[pid  2955] <... close resumed>)        = 0
[pid  2954] <... futex resumed>)        = 1
[pid  2952] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2956] write(3, "1000", 4 <unfinished ...>
[pid  2954] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2952] <... futex resumed>)        = 0
[pid  2956] <... write resumed>)        = 4
[pid  2952] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2956] close(3 <unfinished ...>
executing program
[pid  2955] write(1, "executing program\n", 18 <unfinished ...>
[pid  2954] <... openat resumed>)       = 4
[pid  2956] <... close resumed>)        = 0
[pid  2955] <... write resumed>)        = 18
[pid  2956] write(1, "executing program\n", 18 <unfinished ...>
[pid  2955] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2954] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  2956] <... write resumed>)        = 18
[pid  2955] <... futex resumed>)        = 0
executing program
[pid  2952] <... futex resumed>)        = 0
[pid  2956] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2955] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2954] <... futex resumed>)        = 1
[pid  2956] <... futex resumed>)        = 0
[pid  2955] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2952] exit_group(0 <unfinished ...>
[pid  2955] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2956] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2955] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2952] <... exit_group resumed>)   = ?
[pid  2956] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2955] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2956] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2955] <... mmap resumed>)         = 0x7fb4de009000
[pid  2955] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2955] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2954] +++ exited with 0 +++
[pid  2956] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2952] +++ exited with 0 +++
[pid  2955] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2957 attached
[pid  2956] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2952, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2956] <... mmap resumed>)         = 0x7fb4de009000
[pid  2955] <... clone3 resumed> => {parent_tid=[2957]}, 88) = 2957
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2955] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2958 attached
[pid  2957] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2956] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2955] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2958] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2957] <... set_robust_list resumed>) = 0
[pid  2956] <... mprotect resumed>)     = 0
[pid  2955] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2958
[pid  2958] <... set_robust_list resumed>) = 0
[pid  2957] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2956] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2955] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2958] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2957] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2956] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2955] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2958] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2957] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2956] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2960 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2959 attached
 <unfinished ...>
[pid  2958] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2957] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2960
[pid  2960] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2959] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2958] <... prctl resumed>)        = 0
[pid  2957] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2960] <... set_robust_list resumed>) = 0
[pid  2956] <... clone3 resumed> => {parent_tid=[2959]}, 88) = 2959
[pid  2959] <... set_robust_list resumed>) = 0
[pid  2960] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2959] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2958] setpgid(0, 0 <unfinished ...>
[pid  2957] <... futex resumed>)        = 1
[pid  2956] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2955] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2960] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2955] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2955] <... futex resumed>)        = 0
[pid  2955] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2959] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2959] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2958] <... setpgid resumed>)      = 0
[pid  2958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2958] write(3, "1000", 4)         = 4
[pid  2958] close(3)                    = 0
[pid  2958] write(1, "executing program\n", 18) = 18
executing program
[pid  2958] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2958] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2957] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2956] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2960] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  2957] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2956] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2960] setpgid(0, 0)               = 0
[pid  2959] <... futex resumed>)        = 0
[pid  2958] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2957] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2956] <... futex resumed>)        = 1
[pid  2960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2959] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2958] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2957] <... futex resumed>)        = 1
[pid  2955] <... futex resumed>)        = 0
[pid  2960] <... openat resumed>)       = 3
[pid  2959] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2958] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2957] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2956] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2955] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2960] write(3, "1000", 4 <unfinished ...>
[pid  2959] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2958] <... mmap resumed>)         = 0x7fb4de009000
[pid  2957] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2956] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2955] <... futex resumed>)        = 0
[pid  2960] <... write resumed>)        = 4
[pid  2959] <... futex resumed>)        = 0
[pid  2957] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2956] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2960] close(3 <unfinished ...>
[pid  2956] <... futex resumed>)        = 0
[pid  2960] <... close resumed>)        = 0
[pid  2957] <... openat resumed>)       = 3
[pid  2956] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2960] write(1, "executing program\n", 18 <unfinished ...>
[pid  2957] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2960] <... write resumed>)        = 18
executing program
[pid  2959] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2955] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2959] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2958] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2955] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2959] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2955] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2960] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2959] <... futex resumed>)        = 1
[pid  2958] <... mprotect resumed>)     = 0
[pid  2956] <... futex resumed>)        = 0
[pid  2955] <... futex resumed>)        = 0
[pid  2960] <... futex resumed>)        = 0
[pid  2959] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2958] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2957] <... futex resumed>)        = 0
[pid  2956] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2955] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2960] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2959] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2957] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2956] <... futex resumed>)        = 0
[pid  2960] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2957] <... write resumed>)        = 2
[pid  2960] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2959] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2958] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2957] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2956] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2955] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2960] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2959] <... openat resumed>)       = 3
[pid  2958] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2957] <... futex resumed>)        = 0
[pid  2955] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2961 attached
 <unfinished ...>
[pid  2960] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2959] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2957] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2955] <... futex resumed>)        = 0
[pid  2960] <... mmap resumed>)         = 0x7fb4de009000
[pid  2959] <... futex resumed>)        = 1
[pid  2956] <... futex resumed>)        = 0
[pid  2959] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2957] <... openat resumed>)       = 4
[pid  2956] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2955] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2961] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2960] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2959] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2958] <... clone3 resumed> => {parent_tid=[2961]}, 88) = 2961
[pid  2957] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2956] <... futex resumed>)        = 0
[pid  2955] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2961] <... set_robust_list resumed>) = 0
[pid  2960] <... mprotect resumed>)     = 0
[pid  2959] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2958] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2957] <... futex resumed>)        = 0
[pid  2956] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2955] exit_group(0 <unfinished ...>
[pid  2961] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2960] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2959] <... write resumed>)        = 2
[pid  2958] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2955] <... exit_group resumed>)   = ?
[pid  2961] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2960] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2959] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2958] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2957] +++ exited with 0 +++
[pid  2955] +++ exited with 0 +++
[pid  2961] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2960] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2959] <... futex resumed>)        = 1
[pid  2958] <... futex resumed>)        = 0
[pid  2956] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2955, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 2962 attached
[pid  2961] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2959] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2958] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2956] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2962] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2961] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2960] <... clone3 resumed> => {parent_tid=[2962]}, 88) = 2962
[pid  2959] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2956] <... futex resumed>)        = 0
[pid  2962] <... set_robust_list resumed>) = 0
[pid  2961] <... futex resumed>)        = 0
[pid  2960] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2959] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2958] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2956] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2962] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2961] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2960] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2959] <... openat resumed>)       = 4
[pid  2958] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2962] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2961] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2960] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2961] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2960] <... futex resumed>)        = 0
[pid  2962] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2960] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2958] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2962] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2958] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2959] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2956] <... futex resumed>)        = 0
[pid  2962] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2961] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
ci2-android-6-12-rust/strace-static-x86_64: Process 2963 attached
[pid  2962] <... futex resumed>)        = 1
[pid  2961] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2959] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2958] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2960] <... futex resumed>)        = 0
[pid  2956] exit_group(0 <unfinished ...>
[pid  2962] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2961] <... futex resumed>)        = 0
[pid  2960] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2958] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2963] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2959] <... futex resumed>)        = ?
[pid  2956] <... exit_group resumed>)   = ?
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2963
[pid  2963] <... set_robust_list resumed>) = 0
[pid  2962] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2961] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2960] <... futex resumed>)        = 0
[pid  2959] +++ exited with 0 +++
[pid  2958] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2963] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2958] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2956] +++ exited with 0 +++
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2963] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2962] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2961] <... openat resumed>)       = 3
[pid  2960] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2963] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2956, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2962] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2961] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2962] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2963] <... prctl resumed>)        = 0
[pid  2963] setpgid(0, 0)               = 0
[pid  2963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2963] write(3, "1000", 4)         = 4
[pid  2963] close(3)                    = 0
[pid  2963] write(1, "executing program\n", 18) = 18
executing program
[pid  2963] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2963] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  2963] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  2963] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  2963] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2963] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2963] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 2964 attached
 <unfinished ...>
[pid  2964] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2963] <... clone3 resumed> => {parent_tid=[2964]}, 88) = 2964
[pid  2963] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2962] <... futex resumed>)        = 1
[pid  2964] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2963] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2964] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2963] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2964] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2963] <... futex resumed>)        = 0
[pid  2962] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2961] <... futex resumed>)        = 1
[pid  2960] <... futex resumed>)        = 0
[pid  2958] <... futex resumed>)        = 0
[pid  2964] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2963] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2961] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2960] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2958] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2964] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2963] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2962] <... futex resumed>)        = 0
[pid  2961] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2960] <... futex resumed>)        = 1
[pid  2958] <... futex resumed>)        = 0
[pid  2964] <... futex resumed>)        = 0
[pid  2963] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2962] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2961] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2960] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2958] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2964] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2963] <... futex resumed>)        = 0
[pid  2962] <... openat resumed>)       = 3
[pid  2961] <... write resumed>)        = 2
[pid  2964] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2963] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2962] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2961] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2962] <... futex resumed>)        = 1
[pid  2961] <... futex resumed>)        = 1
[pid  2960] <... futex resumed>)        = 0
[pid  2958] <... futex resumed>)        = 0
[pid  2961] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2960] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2964] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2960] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2958] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2964] <... futex resumed>)        = 1
[pid  2963] <... futex resumed>)        = 0
[pid  2961] <... futex resumed>)        = 0
[pid  2958] <... futex resumed>)        = 1
[pid  2963] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2961] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2958] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  2964] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2963] <... futex resumed>)        = 0
[pid  2964] <... openat resumed>)       = 3
[pid  2963] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2961] <... openat resumed>)       = 4
[pid  2964] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2963] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2961] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2964] <... futex resumed>)        = 0
[pid  2963] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2962] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2961] <... futex resumed>)        = 1
[pid  2958] <... futex resumed>)        = 0
[pid  2964] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2963] <... futex resumed>)        = 0
[pid  2962] <... write resumed>)        = 2
[pid  2961] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2958] exit_group(0 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2964] <... write resumed>)        = 2
[pid  2963] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2962] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2961] <... futex resumed>)        = ?
[pid  2958] <... exit_group resumed>)   = ?
[pid  2964] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2963] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2962] <... futex resumed>)        = 1
[pid  2961] +++ exited with 0 +++
[pid  2960] <... futex resumed>)        = 0
[pid  2958] +++ exited with 0 +++
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2964] <... futex resumed>)        = 0
[pid  2963] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2962] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2960] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2958, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2964] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2963] <... futex resumed>)        = 0
[pid  2962] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2960] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2964] <... openat resumed>)       = 4
[pid  2963] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2965 attached
 <unfinished ...>
[pid  2964] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2963] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2962] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2960] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2965] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2964] <... futex resumed>)        = 0
[pid  2963] exit_group(0 <unfinished ...>
[pid  2962] <... openat resumed>)       = 4
[pid  2965] <... set_robust_list resumed>) = 0
[pid  2963] <... exit_group resumed>)   = ?
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2965
[pid  2962] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2965] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2964] +++ exited with 0 +++
[pid  2963] +++ exited with 0 +++
[pid  2962] <... futex resumed>)        = 1
[pid  2960] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2965] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2962] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2960] exit_group(0 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2963, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2965] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2962] <... futex resumed>)        = ?
[pid  2960] <... exit_group resumed>)   = ?
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2965] <... prctl resumed>)        = 0
[pid  2965] setpgid(0, 0)               = 0
[pid  2965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  2965] write(3, "1000", 4 <unfinished ...>
[pid  2962] +++ exited with 0 +++
[pid  2960] +++ exited with 0 +++
[pid   314] <... restart_syscall resumed>) = 0
[pid  2965] <... write resumed>)        = 4
[pid  2965] close(3)                    = 0
[pid  2965] write(1, "executing program\n", 18 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2965] <... write resumed>)        = 18
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2965] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2960, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2965] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2966 attached
 <unfinished ...>
[pid  2965] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}ci2-android-6-12-rust/strace-static-x86_64: Process 2967 attached
 <unfinished ...>
[pid  2966] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2965] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2966
[pid  2967] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2966] <... set_robust_list resumed>) = 0
[pid  2965] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2967] <... set_robust_list resumed>) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2966] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2965] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2967] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2966] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2965] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2967
[pid  2965] <... mmap resumed>)         = 0x7fb4de009000
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2967] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2966] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2965] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  2967] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2966] <... prctl resumed>)        = 0
[pid  2965] <... mprotect resumed>)     = 0
[pid  2967] <... prctl resumed>)        = 0
[pid  2966] setpgid(0, 0 <unfinished ...>
[pid  2967] setpgid(0, 0 <unfinished ...>
[pid  2966] <... setpgid resumed>)      = 0
[pid  2965] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2967] <... setpgid resumed>)      = 0
[pid  2966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2965] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2965] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2966] <... openat resumed>)       = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 2968 attached
[pid  2967] <... openat resumed>)       = 3
[pid  2966] write(3, "1000", 4 <unfinished ...>
[pid  2968] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2967] write(3, "1000", 4 <unfinished ...>
[pid  2968] <... set_robust_list resumed>) = 0
[pid  2966] <... write resumed>)        = 4
[pid  2965] <... clone3 resumed> => {parent_tid=[2968]}, 88) = 2968
[pid  2968] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2967] <... write resumed>)        = 4
[pid  2966] close(3 <unfinished ...>
[pid  2965] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2968] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2967] close(3 <unfinished ...>
[pid  2966] <... close resumed>)        = 0
[pid  2965] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2968] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2967] <... close resumed>)        = 0
[pid  2966] write(1, "executing program\n", 18 <unfinished ...>
[pid  2965] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2968] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
executing program
executing program
[pid  2967] write(1, "executing program\n", 18 <unfinished ...>
[pid  2966] <... write resumed>)        = 18
[pid  2965] <... futex resumed>)        = 0
[pid  2968] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2967] <... write resumed>)        = 18
[pid   315] <... restart_syscall resumed>) = 0
[pid  2967] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2966] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2965] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2968] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2967] <... futex resumed>)        = 0
[pid  2966] <... futex resumed>)        = 0
[pid  2968] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2967] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2968] <... futex resumed>)        = 1
[pid  2966] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2965] <... futex resumed>)        = 0
[pid  2967] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2968] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2966] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2965] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2968] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2967] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2966] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2965] <... futex resumed>)        = 0
[pid  2968] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2967] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2966] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2965] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2968] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2966] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2968] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2967] <... mmap resumed>)         = 0x7fb4de009000
[pid  2966] <... mmap resumed>)         = 0x7fb4de009000
[pid  2968] <... futex resumed>)        = 1
[pid  2967] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2966] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2965] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2968] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2967] <... mprotect resumed>)     = 0
[pid  2966] <... mprotect resumed>)     = 0
[pid  2965] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2968] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2967] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2966] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2965] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2969 attached
 <unfinished ...>
[pid  2968] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2967] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2966] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2965] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2969] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2968] <... openat resumed>)       = 3
[pid  2967] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2966] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2969
ci2-android-6-12-rust/strace-static-x86_64: Process 2970 attached
[pid  2969] <... set_robust_list resumed>) = 0
[pid  2968] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2969] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2970] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  2970] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2968] <... futex resumed>)        = 1
[pid  2969] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2966] <... clone3 resumed> => {parent_tid=[2970]}, 88) = 2970
[pid  2965] <... futex resumed>)        = 0
[pid  2968] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 2971 attached
 <unfinished ...>
[pid  2970] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2969] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2967] <... clone3 resumed> => {parent_tid=[2971]}, 88) = 2971
[pid  2966] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2965] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2971] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2970] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2969] <... prctl resumed>)        = 0
[pid  2968] <... futex resumed>)        = 0
[pid  2967] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2966] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2965] <... futex resumed>)        = 1
[pid  2971] <... set_robust_list resumed>) = 0
[pid  2969] setpgid(0, 0 <unfinished ...>
[pid  2968] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2967] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2966] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2965] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2968] <... write resumed>)        = 2
[pid  2968] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2968] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2967] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2967] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2971] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2970] <... futex resumed>)        = 0
[pid  2969] <... setpgid resumed>)      = 0
[pid  2966] <... futex resumed>)        = 1
[pid  2965] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2970] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2966] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2970] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2970] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2965] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2971] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2970] <... futex resumed>)        = 1
[pid  2968] <... futex resumed>)        = 0
[pid  2966] <... futex resumed>)        = 0
[pid  2965] <... futex resumed>)        = 1
[pid  2970] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2969] <... openat resumed>)       = 3
[pid  2968] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2966] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2971] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2970] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2969] write(3, "1000", 4 <unfinished ...>
[pid  2968] <... openat resumed>)       = 4
[pid  2966] <... futex resumed>)        = 0
[pid  2965] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2971] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2970] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2969] <... write resumed>)        = 4
[pid  2968] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2966] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2971] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2970] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2969] close(3 <unfinished ...>
[pid  2968] <... futex resumed>)        = 0
[pid  2965] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2971] <... futex resumed>)        = 1
[pid  2970] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2969] <... close resumed>)        = 0
[pid  2968] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2967] <... futex resumed>)        = 0
[pid  2971] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2970] <... futex resumed>)        = 1
[pid  2969] write(1, "executing program\n", 18 <unfinished ...>
[pid  2967] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2966] <... futex resumed>)        = 0
[pid  2965] exit_group(0 <unfinished ...>
[pid  2971] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2970] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2969] <... write resumed>)        = 18
[pid  2968] <... futex resumed>)        = ?
[pid  2967] <... futex resumed>)        = 0
executing program
[pid  2966] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2965] <... exit_group resumed>)   = ?
[pid  2971] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2970] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2969] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2968] +++ exited with 0 +++
[pid  2967] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2966] <... futex resumed>)        = 0
[pid  2970] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2969] <... futex resumed>)        = 0
[pid  2966] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2970] <... openat resumed>)       = 3
[pid  2969] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2970] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2969] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2969] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2970] <... futex resumed>)        = 0
[pid  2966] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2971] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2970] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2969] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2966] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2970] <... write resumed>)        = 2
[pid  2969] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2966] <... futex resumed>)        = 0
[pid  2970] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2966] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2970] <... futex resumed>)        = 0
[pid  2969] <... mmap resumed>)         = 0x7fb4de009000
[pid  2966] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2971] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2970] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2969] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2966] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2969] <... mprotect resumed>)     = 0
[pid  2966] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2969] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2970] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2969] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2970] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2969] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2970] <... openat resumed>)       = 4
ci2-android-6-12-rust/strace-static-x86_64: Process 2972 attached
[pid  2970] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2971] <... futex resumed>)        = 1
[pid  2970] <... futex resumed>)        = 1
[pid  2969] <... clone3 resumed> => {parent_tid=[2972]}, 88) = 2972
[pid  2967] <... futex resumed>)        = 0
[pid  2966] <... futex resumed>)        = 0
[pid  2965] +++ exited with 0 +++
[pid  2972] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2971] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2970] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2969] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2967] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2966] exit_group(0 <unfinished ...>
[pid  2972] <... set_robust_list resumed>) = 0
[pid  2971] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2969] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2967] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2965, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2972] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2971] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2970] <... futex resumed>)        = ?
[pid  2969] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2967] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2966] <... exit_group resumed>)   = ?
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2972] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2969] <... futex resumed>)        = 0
[pid  2972] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  2972] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2972] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2970] +++ exited with 0 +++
[pid  2971] <... openat resumed>)       = 3
[pid  2966] +++ exited with 0 +++
[pid  2969] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2971] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2969] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2971] <... futex resumed>)        = 1
[pid  2967] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2966, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2971] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2969] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2967] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2972] <... futex resumed>)        = 0
[pid  2971] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2969] <... futex resumed>)        = 1
[pid  2967] <... futex resumed>)        = 0
[pid  2972] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2971] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2969] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2967] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2972] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2972] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2971] <... write resumed>)        = 2
[pid  2969] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2972] <... futex resumed>)        = 0
[pid  2971] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2969] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2972] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2971] <... futex resumed>)        = 1
[pid  2969] <... futex resumed>)        = 0
[pid  2967] <... futex resumed>)        = 0
[pid  2972] <... openat resumed>)       = 3
[pid  2971] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2969] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2967] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2972] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2971] <... openat resumed>)       = 4
[pid  2969] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2972] <... futex resumed>)        = 0
[pid  2967] <... futex resumed>)        = 0
[pid  2972] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2971] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2969] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2967] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2972] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2971] <... futex resumed>)        = 0
[pid  2969] <... futex resumed>)        = 0
[pid  2972] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2971] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2969] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2967] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2972] <... write resumed>)        = 2
[pid  2972] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2967] exit_group(0 <unfinished ...>
[pid  2972] <... futex resumed>)        = 1
[pid  2971] <... futex resumed>)        = ?
[pid  2969] <... futex resumed>)        = 0
[pid  2967] <... exit_group resumed>)   = ?
[pid  2969] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2971] +++ exited with 0 +++
[pid  2972] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2969] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  2972] <... openat resumed>)       = 4
[pid  2969] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2972] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2967] +++ exited with 0 +++
[pid   312] <... restart_syscall resumed>) = 0
[pid  2972] <... futex resumed>)        = 1
[pid  2969] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2967, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2972] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2969] exit_group(0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2972] <... futex resumed>)        = ?
[pid  2969] <... exit_group resumed>)   = ?
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 2973 attached
 <unfinished ...>
[pid  2972] +++ exited with 0 +++
[pid  2969] +++ exited with 0 +++
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2974 attached
[pid  2973] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2969, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2974] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2973] <... set_robust_list resumed>) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2974
ci2-android-6-12-rust/strace-static-x86_64: Process 2975 attached
[pid  2974] <... set_robust_list resumed>) = 0
[pid  2973] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2973
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2975
[pid  2975] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2974] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2973] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2975] <... set_robust_list resumed>) = 0
[pid  2974] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2973] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2975] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2974] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2973] <... prctl resumed>)        = 0
[pid  2975] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2973] setpgid(0, 0 <unfinished ...>
[pid  2974] <... prctl resumed>)        = 0
[pid  2975] <... prctl resumed>)        = 0
[pid  2974] setpgid(0, 0 <unfinished ...>
[pid  2973] <... setpgid resumed>)      = 0
[pid  2975] setpgid(0, 0 <unfinished ...>
[pid  2974] <... setpgid resumed>)      = 0
[pid  2975] <... setpgid resumed>)      = 0
[pid  2974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2974] <... openat resumed>)       = 3
[pid  2973] <... openat resumed>)       = 3
[pid  2974] write(3, "1000", 4 <unfinished ...>
[pid  2975] <... openat resumed>)       = 3
[pid  2974] <... write resumed>)        = 4
[pid  2975] write(3, "1000", 4 <unfinished ...>
[pid  2973] write(3, "1000", 4 <unfinished ...>
[pid  2975] <... write resumed>)        = 4
[pid  2974] close(3 <unfinished ...>
[pid  2975] close(3 <unfinished ...>
[pid  2973] <... write resumed>)        = 4
[pid  2975] <... close resumed>)        = 0
[pid  2974] <... close resumed>)        = 0
[pid  2975] write(1, "executing program\n", 18 <unfinished ...>
[pid  2973] close(3 <unfinished ...>
[pid  2974] write(1, "executing program\n", 18 <unfinished ...>
[pid  2975] <... write resumed>)        = 18
[pid  2973] <... close resumed>)        = 0
[pid  2974] <... write resumed>)        = 18
[pid  2975] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2973] write(1, "executing program\n", 18 <unfinished ...>
[pid  2975] <... futex resumed>)        = 0
[pid  2974] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2975] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2973] <... write resumed>)        = 18
[pid  2975] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2974] <... futex resumed>)        = 0
[pid  2975] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2973] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2975] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2974] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2973] <... futex resumed>)        = 0
[pid  2975] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2974] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2973] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2975] <... mmap resumed>)         = 0x7fb4de009000
[pid  2974] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2973] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2975] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2974] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2973] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2975] <... mprotect resumed>)     = 0
[pid  2974] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2973] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
executing program
executing program
[pid  2975] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2974] <... mmap resumed>)         = 0x7fb4de009000
[pid  2973] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2975] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2974] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2975] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2973] <... mmap resumed>)         = 0x7fb4de009000
ci2-android-6-12-rust/strace-static-x86_64: Process 2976 attached
[pid  2974] <... mprotect resumed>)     = 0
[pid  2973] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2976] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2975] <... clone3 resumed> => {parent_tid=[2976]}, 88) = 2976
[pid  2974] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2976] <... set_robust_list resumed>) = 0
[pid  2975] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2973] <... mprotect resumed>)     = 0
[pid  2976] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2974] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2975] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2976] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2974] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2973] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2976] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2975] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2973] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2976] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2975] <... futex resumed>)        = 0
[pid  2974] <... clone3 resumed> => {parent_tid=[2977]}, 88) = 2977
[pid  2973] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2976] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2975] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2974] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2978 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2977 attached
 <unfinished ...>
[pid  2976] <... futex resumed>)        = 0
[pid  2975] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2974] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2978] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2977] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2976] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2975] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2974] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2973] <... clone3 resumed> => {parent_tid=[2978]}, 88) = 2978
[pid  2978] <... set_robust_list resumed>) = 0
[pid  2977] <... set_robust_list resumed>) = 0
[pid  2976] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2975] <... futex resumed>)        = 0
[pid  2974] <... futex resumed>)        = 0
[pid  2973] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2978] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2977] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2976] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2975] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2974] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2973] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  2978] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2977] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2976] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2973] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2978] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2977] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2976] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2973] <... futex resumed>)        = 0
[pid  2978] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2977] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2975] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2978] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2977] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2976] <... futex resumed>)        = 1
[pid  2975] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2973] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2978] <... futex resumed>)        = 0
[pid  2977] <... futex resumed>)        = 1
[pid  2976] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2975] <... futex resumed>)        = 0
[pid  2974] <... futex resumed>)        = 0
[pid  2973] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2979 attached
 <unfinished ...>
[pid  2978] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2977] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2976] <... openat resumed>)       = 3
[pid  2975] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2974] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2973] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2979] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2978] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2977] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2976] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2975] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2974] <... futex resumed>)        = 0
[pid  2973] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2979
[pid  2979] <... set_robust_list resumed>) = 0
[pid  2978] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2977] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2976] <... futex resumed>)        = 0
[pid  2975] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2974] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2973] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2979] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2978] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2977] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2976] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2975] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2979] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2978] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2977] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2976] <... write resumed>)        = 2
[pid  2975] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2979] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2978] <... futex resumed>)        = 1
[pid  2977] <... futex resumed>)        = 1
[pid  2976] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2975] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2974] <... futex resumed>)        = 0
[pid  2973] <... futex resumed>)        = 0
[pid  2979] <... prctl resumed>)        = 0
[pid  2978] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2977] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2976] <... futex resumed>)        = 0
[pid  2975] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2974] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2973] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2979] setpgid(0, 0 <unfinished ...>
[pid  2978] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2977] <... openat resumed>)       = 3
[pid  2976] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2975] <... futex resumed>)        = 0
[pid  2974] <... futex resumed>)        = 0
[pid  2973] <... futex resumed>)        = 0
[pid  2979] <... setpgid resumed>)      = 0
[pid  2978] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2975] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2976] <... openat resumed>)       = 4
[pid  2973] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2977] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2974] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2977] <... futex resumed>)        = 0
[pid  2974] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2978] <... openat resumed>)       = 3
[pid  2977] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2976] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2974] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2979] <... openat resumed>)       = 3
[pid  2978] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2977] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2976] <... futex resumed>)        = 1
[pid  2975] <... futex resumed>)        = 0
[pid  2974] <... futex resumed>)        = 0
[pid  2979] write(3, "1000", 4 <unfinished ...>
[pid  2978] <... futex resumed>)        = 1
[pid  2977] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2976] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2974] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2973] <... futex resumed>)        = 0
[pid  2979] <... write resumed>)        = 4
[pid  2978] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2977] <... write resumed>)        = 2
[pid  2975] exit_group(0 <unfinished ...>
[pid  2973] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2979] close(3 <unfinished ...>
[pid  2978] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2977] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2975] <... exit_group resumed>)   = ?
[pid  2973] <... futex resumed>)        = 0
[pid  2979] <... close resumed>)        = 0
[pid  2976] <... futex resumed>)        = ?
[pid  2978] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2977] <... futex resumed>)        = 1
[pid  2974] <... futex resumed>)        = 0
[pid  2973] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2977] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2974] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2977] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2974] <... futex resumed>)        = 0
[pid  2977] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2974] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2979] write(1, "executing program\n", 18 <unfinished ...>
[pid  2978] <... write resumed>)        = 2
[pid  2977] <... openat resumed>)       = 4
[pid  2976] +++ exited with 0 +++
[pid  2975] +++ exited with 0 +++
executing program
[pid  2979] <... write resumed>)        = 18
[pid  2978] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2977] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2975, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2979] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2978] <... futex resumed>)        = 1
[pid  2977] <... futex resumed>)        = 1
[pid  2974] <... futex resumed>)        = 0
[pid  2973] <... futex resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2979] <... futex resumed>)        = 0
[pid  2978] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2977] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2974] exit_group(0 <unfinished ...>
[pid  2973] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2979] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2978] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2977] <... futex resumed>)        = ?
[pid  2974] <... exit_group resumed>)   = ?
[pid  2979] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2978] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2977] +++ exited with 0 +++
[pid  2974] +++ exited with 0 +++
[pid  2973] <... futex resumed>)        = 0
[pid  2979] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2978] <... openat resumed>)       = 4
[pid  2973] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2974, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2979] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2978] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2973] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2979] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2978] <... futex resumed>)        = 0
[pid  2973] exit_group(0 <unfinished ...>
[pid  2979] <... mmap resumed>)         = 0x7fb4de009000
[pid  2973] <... exit_group resumed>)   = ?
[pid  2979] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2978] +++ exited with 0 +++
[pid  2979] <... mprotect resumed>)     = 0
[pid  2979] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2979] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} => {parent_tid=[2980]}, 88) = 2980
ci2-android-6-12-rust/strace-static-x86_64: Process 2980 attached
[pid  2973] +++ exited with 0 +++
[pid  2979] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2973, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2980] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2979] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2980] <... set_robust_list resumed>) = 0
[pid  2979] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2980] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2979] <... futex resumed>)        = 0
[pid  2980] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2979] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2980] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  2980] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2980] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2979] <... futex resumed>)        = 0
[pid  2979] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  2980] <... futex resumed>)        = 0
[pid  2980] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2979] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2980] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2980] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2979] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2980] <... futex resumed>)        = 1
[pid  2979] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2980] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2979] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2981 attached
[pid  2980] <... openat resumed>)       = 3
[pid  2979] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2981] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2980] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2981
[pid  2981] <... set_robust_list resumed>) = 0
[pid  2980] <... futex resumed>)        = 1
[pid  2979] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2981] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2980] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2979] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2981] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2980] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2979] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2982 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2983 attached
 <unfinished ...>
[pid  2981] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2980] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2979] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2982] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2981] <... prctl resumed>)        = 0
[pid  2980] <... write resumed>)        = 2
[pid  2983] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2982] <... set_robust_list resumed>) = 0
[pid  2981] setpgid(0, 0 <unfinished ...>
[pid  2980] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2983] <... set_robust_list resumed>) = 0
[pid  2982] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2981] <... setpgid resumed>)      = 0
[pid  2980] <... futex resumed>)        = 1
[pid  2979] <... futex resumed>)        = 0
[pid  2983] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2979] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2983] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2982] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2980] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2979] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2982
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2983
[pid  2983] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2982] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2980] <... openat resumed>)       = 4
[pid  2979] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2983] <... prctl resumed>)        = 0
[pid  2982] <... prctl resumed>)        = 0
[pid  2981] <... openat resumed>)       = 3
[pid  2980] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2979] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2983] setpgid(0, 0 <unfinished ...>
[pid  2982] setpgid(0, 0 <unfinished ...>
[pid  2981] write(3, "1000", 4 <unfinished ...>
[pid  2980] <... futex resumed>)        = 0
[pid  2979] exit_group(0 <unfinished ...>
[pid  2983] <... setpgid resumed>)      = 0
[pid  2982] <... setpgid resumed>)      = 0
[pid  2981] <... write resumed>)        = 4
[pid  2979] <... exit_group resumed>)   = ?
[pid  2983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2981] close(3 <unfinished ...>
[pid  2980] +++ exited with 0 +++
[pid  2983] <... openat resumed>)       = 3
[pid  2983] write(3, "1000", 4)         = 4
[pid  2983] close(3 <unfinished ...>
[pid  2981] <... close resumed>)        = 0
[pid  2979] +++ exited with 0 +++
[pid  2983] <... close resumed>)        = 0
[pid  2982] <... openat resumed>)       = 3
[pid  2981] write(1, "executing program\n", 18 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2979, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2983] write(1, "executing program\n", 18 <unfinished ...>
[pid  2982] write(3, "1000", 4 <unfinished ...>
[pid  2981] <... write resumed>)        = 18
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2983] <... write resumed>)        = 18
executing program
executing program
[pid  2982] <... write resumed>)        = 4
[pid  2981] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2983] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  2982] close(3 <unfinished ...>
[pid  2981] <... futex resumed>)        = 0
[pid  2983] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2982] <... close resumed>)        = 0
[pid  2981] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2982] write(1, "executing program\n", 18 <unfinished ...>
[pid  2981] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2982] <... write resumed>)        = 18
[pid  2981] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2982] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2981] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2982] <... futex resumed>)        = 0
[pid  2981] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
executing program
[pid  2982] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2983] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2982] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2981] <... mmap resumed>)         = 0x7fb4de009000
[pid  2983] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2982] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2983] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2981] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2983] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2982] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  2983] <... mmap resumed>)         = 0x7fb4de009000
[pid  2982] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2981] <... mprotect resumed>)     = 0
[pid  2983] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2982] <... mmap resumed>)         = 0x7fb4de009000
[pid  2981] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2983] <... mprotect resumed>)     = 0
[pid  2982] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2981] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2983] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2982] <... mprotect resumed>)     = 0
[pid  2981] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2983] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2983] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2982] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2981] <... clone3 resumed> => {parent_tid=[2984]}, 88) = 2984
[pid  2982] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2981] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2984 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 2985 attached
 <unfinished ...>
[pid  2984] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2981] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2985
ci2-android-6-12-rust/strace-static-x86_64: Process 2986 attached
[pid  2985] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2984] <... set_robust_list resumed>) = 0
[pid  2982] <... clone3 resumed> => {parent_tid=[2986]}, 88) = 2986
[pid  2981] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 2987 attached
 <unfinished ...>
[pid  2986] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2985] <... set_robust_list resumed>) = 0
[pid  2984] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2982] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2981] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2987] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2986] <... set_robust_list resumed>) = 0
[pid  2985] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2984] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2983] <... clone3 resumed> => {parent_tid=[2987]}, 88) = 2987
[pid  2982] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2981] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2987] <... set_robust_list resumed>) = 0
[pid  2986] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2985] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2984] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2983] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2982] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2987] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2986] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2985] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2984] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2983] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2982] <... futex resumed>)        = 0
[pid  2987] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2986] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2985] <... prctl resumed>)        = 0
[pid  2984] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2983] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2982] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2987] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2986] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2985] setpgid(0, 0 <unfinished ...>
[pid  2984] <... futex resumed>)        = 1
[pid  2983] <... futex resumed>)        = 0
[pid  2981] <... futex resumed>)        = 0
[pid  2987] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2986] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2985] <... setpgid resumed>)      = 0
[pid  2984] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2983] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2981] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2987] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2986] <... futex resumed>)        = 1
[pid  2985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2984] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2983] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2982] <... futex resumed>)        = 0
[pid  2981] <... futex resumed>)        = 0
[pid  2987] <... futex resumed>)        = 0
[pid  2986] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2985] <... openat resumed>)       = 3
[pid  2984] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2983] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2982] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2981] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2987] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2986] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2985] write(3, "1000", 4 <unfinished ...>
[pid  2984] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2983] <... futex resumed>)        = 0
[pid  2982] <... futex resumed>)        = 0
[pid  2987] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2986] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2985] <... write resumed>)        = 4
[pid  2984] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2983] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2982] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2987] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2986] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2985] close(3 <unfinished ...>
[pid  2984] <... futex resumed>)        = 1
[pid  2983] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2981] <... futex resumed>)        = 0
[pid  2987] <... futex resumed>)        = 0
[pid  2986] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2985] <... close resumed>)        = 0
[pid  2984] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2983] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2981] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2987] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2986] <... futex resumed>)        = 1
[pid  2985] write(1, "executing program\n", 18 <unfinished ...>
[pid  2984] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2983] <... futex resumed>)        = 0
executing program
[pid  2982] <... futex resumed>)        = 0
[pid  2987] <... openat resumed>)       = 3
[pid  2986] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2985] <... write resumed>)        = 18
[pid  2984] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2983] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2981] <... futex resumed>)        = 0
[pid  2987] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2986] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2985] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2984] <... openat resumed>)       = 3
[pid  2983] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2982] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2987] <... futex resumed>)        = 0
[pid  2986] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2985] <... futex resumed>)        = 0
[pid  2984] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2983] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2982] <... futex resumed>)        = 0
[pid  2981] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2987] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2986] <... openat resumed>)       = 3
[pid  2985] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2984] <... futex resumed>)        = 0
[pid  2983] <... futex resumed>)        = 0
[pid  2987] <... write resumed>)        = 2
[pid  2986] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2985] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2984] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2983] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2982] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2981] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2987] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2986] <... futex resumed>)        = 0
[pid  2985] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2983] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2982] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2981] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2987] <... futex resumed>)        = 0
[pid  2986] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2985] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2983] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2982] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2987] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2986] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2985] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2984] <... futex resumed>)        = 0
[pid  2983] <... futex resumed>)        = 0
[pid  2981] <... futex resumed>)        = 1
[pid  2982] <... futex resumed>)        = 0
[pid  2987] <... openat resumed>)       = 4
[pid  2986] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2985] <... mmap resumed>)         = 0x7fb4de009000
[pid  2984] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2983] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2982] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2981] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2987] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2986] <... write resumed>)        = 2
[pid  2985] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2984] <... write resumed>)        = 2
[pid  2983] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2987] <... futex resumed>)        = 0
[pid  2986] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2985] <... mprotect resumed>)     = 0
[pid  2984] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2983] exit_group(0 <unfinished ...>
[pid  2986] <... futex resumed>)        = 1
[pid  2985] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2984] <... futex resumed>)        = 1
[pid  2983] <... exit_group resumed>)   = ?
[pid  2982] <... futex resumed>)        = 0
[pid  2981] <... futex resumed>)        = 0
[pid  2987] +++ exited with 0 +++
[pid  2986] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2985] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2984] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2985] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2984] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2982] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2981] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2986] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 2988 attached
[pid  2986] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2984] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2983] +++ exited with 0 +++
[pid  2982] <... futex resumed>)        = 0
[pid  2981] <... futex resumed>)        = 0
[pid  2988] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2986] <... openat resumed>)       = 4
[pid  2985] <... clone3 resumed> => {parent_tid=[2988]}, 88) = 2988
[pid  2984] <... openat resumed>)       = 4
[pid  2982] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2981] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2983, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2988] <... set_robust_list resumed>) = 0
[pid  2986] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2985] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2984] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2981] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2988] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2986] <... futex resumed>)        = 1
[pid  2985] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2984] <... futex resumed>)        = 0
[pid  2982] <... futex resumed>)        = 0
[pid  2981] exit_group(0 <unfinished ...>
[pid  2988] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2986] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2985] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2984] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2982] exit_group(0 <unfinished ...>
[pid  2988] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2986] <... futex resumed>)        = ?
[pid  2985] <... futex resumed>)        = 0
[pid  2984] +++ exited with 0 +++
[pid  2982] <... exit_group resumed>)   = ?
[pid  2981] <... exit_group resumed>)   = ?
[pid  2988] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2986] +++ exited with 0 +++
[pid  2985] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2982] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2982, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  2988] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2985] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2981] +++ exited with 0 +++
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2988] <... futex resumed>)        = 0
[pid  2985] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2981, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2988] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2985] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2989 attached
[pid  2988] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2985] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2989] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2988] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2989] <... set_robust_list resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2990 attached
[pid  2988] <... futex resumed>)        = 1
[pid  2985] <... futex resumed>)        = 0
[pid  2990] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2989] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2990] <... set_robust_list resumed>) = 0
[pid  2988] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2985] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2989] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2985] <... futex resumed>)        = 0
[pid  2988] <... openat resumed>)       = 3
[pid  2990] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  2989] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2988] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2985] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2989
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2990
[pid  2990] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2989] <... prctl resumed>)        = 0
[pid  2988] <... futex resumed>)        = 0
[pid  2985] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2990] <... prctl resumed>)        = 0
[pid  2989] setpgid(0, 0 <unfinished ...>
[pid  2988] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2985] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2990] setpgid(0, 0 <unfinished ...>
[pid  2989] <... setpgid resumed>)      = 0
[pid  2988] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2985] <... futex resumed>)        = 0
[pid  2990] <... setpgid resumed>)      = 0
[pid  2990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2988] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2985] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2990] <... openat resumed>)       = 3
[pid  2989] <... openat resumed>)       = 3
[pid  2988] <... write resumed>)        = 2
[pid  2990] write(3, "1000", 4 <unfinished ...>
[pid  2989] write(3, "1000", 4 <unfinished ...>
[pid  2988] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2990] <... write resumed>)        = 4
[pid  2989] <... write resumed>)        = 4
[pid  2990] close(3 <unfinished ...>
[pid  2988] <... futex resumed>)        = 1
[pid  2985] <... futex resumed>)        = 0
[pid  2989] close(3 <unfinished ...>
[pid  2990] <... close resumed>)        = 0
[pid  2988] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2985] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2990] write(1, "executing program\n", 18 <unfinished ...>
[pid  2989] <... close resumed>)        = 0
[pid  2988] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2990] <... write resumed>)        = 18
[pid  2989] write(1, "executing program\n", 18 <unfinished ...>
[pid  2985] <... futex resumed>)        = 0
[pid  2988] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2990] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2989] <... write resumed>)        = 18
executing program
executing program
[pid  2985] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2990] <... futex resumed>)        = 0
[pid  2989] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2988] <... openat resumed>)       = 4
[pid  2990] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2989] <... futex resumed>)        = 0
[pid  2990] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2988] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2990] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2989] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2988] <... futex resumed>)        = 1
[pid  2985] <... futex resumed>)        = 0
[pid  2990] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2989] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2989] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2988] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2985] exit_group(0 <unfinished ...>
[pid  2990] <... mmap resumed>)         = 0x7fb4de009000
[pid  2989] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2988] <... futex resumed>)        = ?
[pid  2985] <... exit_group resumed>)   = ?
[pid  2990] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2990] <... mprotect resumed>)     = 0
[pid  2990] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2989] <... mmap resumed>)         = 0x7fb4de009000
[pid  2988] +++ exited with 0 +++
[pid  2985] +++ exited with 0 +++
[pid  2989] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2985, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2990] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2990] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2989] <... mprotect resumed>)     = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 2991 attached
[pid  2989] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2990] <... clone3 resumed> => {parent_tid=[2991]}, 88) = 2991
[pid  2991] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2989] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2991] <... set_robust_list resumed>) = 0
[pid  2989] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2991] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 2992 attached
, NULL, 8) = 0
[pid  2990] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  2992] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2991] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2990] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2989] <... clone3 resumed> => {parent_tid=[2992]}, 88) = 2992
[pid  2992] <... set_robust_list resumed>) = 0
[pid  2991] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2990] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2989] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2992] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2991] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2990] <... futex resumed>)        = 0
[pid  2989] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2992] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2991] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2990] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2989] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2992] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2991] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2989] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2992] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2991] <... futex resumed>)        = 1
[pid  2990] <... futex resumed>)        = 0
[pid  2989] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 2993 attached
 <unfinished ...>
[pid  2992] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2991] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2989] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2993] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2992] <... futex resumed>)        = 0
[pid  2993] <... set_robust_list resumed>) = 0
[pid  2989] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2992] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2993] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2992] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2990] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2989] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2993
[pid  2993] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2992] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2991] <... futex resumed>)        = 0
[pid  2990] <... futex resumed>)        = 1
[pid  2989] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2993] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2992] <... futex resumed>)        = 0
[pid  2991] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2990] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2993] <... prctl resumed>)        = 0
[pid  2992] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2991] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2989] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2993] setpgid(0, 0 <unfinished ...>
[pid  2991] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2989] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2993] <... setpgid resumed>)      = 0
[pid  2992] <... futex resumed>)        = 0
[pid  2991] <... futex resumed>)        = 1
[pid  2990] <... futex resumed>)        = 0
[pid  2989] <... futex resumed>)        = 1
[pid  2993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2992] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2991] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2990] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2992] <... openat resumed>)       = 3
[pid  2991] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2989] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2991] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2992] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2989] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2991] <... openat resumed>)       = 3
[pid  2993] <... openat resumed>)       = 3
[pid  2992] <... futex resumed>)        = 0
[pid  2991] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2993] write(3, "1000", 4 <unfinished ...>
[pid  2989] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2993] <... write resumed>)        = 4
[pid  2992] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2991] <... futex resumed>)        = 0
[pid  2989] <... futex resumed>)        = 0
[pid  2993] close(3 <unfinished ...>
[pid  2992] <... write resumed>)        = 2
[pid  2991] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2989] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2993] <... close resumed>)        = 0
[pid  2992] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2993] write(1, "executing program\n", 18 <unfinished ...>
[pid  2989] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2993] <... write resumed>)        = 18
[pid  2992] <... futex resumed>)        = 0
[pid  2989] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2993] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2992] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2989] <... futex resumed>)        = 0
[pid  2993] <... futex resumed>)        = 0
executing program
[pid  2993] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2992] <... openat resumed>)       = 4
[pid  2991] <... futex resumed>)        = 0
[pid  2990] <... futex resumed>)        = 1
[pid  2989] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2993] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2992] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2991] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2990] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2989] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2993] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2992] <... futex resumed>)        = 0
[pid  2990] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2993] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2992] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2990] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2989] exit_group(0 <unfinished ...>
[pid  2993] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2992] <... futex resumed>)        = ?
[pid  2991] <... futex resumed>)        = 0
[pid  2990] <... futex resumed>)        = 1
[pid  2989] <... exit_group resumed>)   = ?
[pid  2993] <... mmap resumed>)         = 0x7fb4de009000
[pid  2992] +++ exited with 0 +++
[pid  2991] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2990] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2993] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  2993] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  2989] +++ exited with 0 +++
[pid  2991] <... write resumed>)        = 2
[pid  2993] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2991] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2989, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 2994 attached
[pid  2991] <... futex resumed>)        = 1
[pid  2990] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2994] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2991] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2990] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2994] <... set_robust_list resumed>) = 0
[pid  2993] <... clone3 resumed> => {parent_tid=[2994]}, 88) = 2994
[pid  2991] <... openat resumed>)       = 4
[pid  2990] <... futex resumed>)        = 0
[pid  2994] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2993] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2991] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2990] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2994] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2993] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2991] <... futex resumed>)        = 0
[pid  2990] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2994] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2993] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2991] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2990] exit_group(0 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2995 attached
 <unfinished ...>
[pid  2994] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2993] <... futex resumed>)        = 0
[pid  2991] <... futex resumed>)        = ?
[pid  2990] <... exit_group resumed>)   = ?
[pid  2995] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2994] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2993] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2991] +++ exited with 0 +++
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 2995
[pid  2993] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2993] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2993] <... futex resumed>)        = 0
[pid  2994] <... futex resumed>)        = 0
[pid  2990] +++ exited with 0 +++
[pid  2995] <... set_robust_list resumed>) = 0
[pid  2995] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2994] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2993] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2990, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2995] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2994] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  2995] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2994] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2995] <... prctl resumed>)        = 0
[pid  2994] <... futex resumed>)        = 1
[pid  2993] <... futex resumed>)        = 0
[pid  2995] setpgid(0, 0 <unfinished ...>
[pid  2994] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2993] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2995] <... setpgid resumed>)      = 0
[pid  2994] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2993] <... futex resumed>)        = 0
[pid  2995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2994] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2993] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2995] <... openat resumed>)       = 3
[pid  2994] <... openat resumed>)       = 3
[pid  2995] write(3, "1000", 4 <unfinished ...>
[pid  2994] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2995] <... write resumed>)        = 4
[pid  2994] <... futex resumed>)        = 1
[pid  2995] close(3)                    = 0
[pid  2994] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2993] <... futex resumed>)        = 0
[pid  2995] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  2993] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2995] <... write resumed>)        = 18
[pid  2994] <... futex resumed>)        = 0
[pid  2993] <... futex resumed>)        = 1
[pid  2995] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2994] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2993] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2995] <... futex resumed>)        = 0
[pid  2994] <... write resumed>)        = 2
[pid  2995] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2994] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2995] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2994] <... futex resumed>)        = 1
[pid  2993] <... futex resumed>)        = 0
[pid  2995] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2994] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2995] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2995] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2993] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2995] <... mmap resumed>)         = 0x7fb4de009000
[pid  2994] <... futex resumed>)        = 0
[pid  2993] <... futex resumed>)        = 1
[pid  2995] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2994] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2993] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2995] <... mprotect resumed>)     = 0
[pid  2994] <... openat resumed>)       = 4
[pid  2995] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2994] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2995] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2994] <... futex resumed>)        = 1
[pid  2993] <... futex resumed>)        = 0
[pid  2995] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2994] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2993] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 2996 attached
 <unfinished ...>
[pid  2994] <... futex resumed>)        = ?
[pid  2993] <... exit_group resumed>)   = ?
[pid  2996] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2995] <... clone3 resumed> => {parent_tid=[2996]}, 88) = 2996
[pid  2994] +++ exited with 0 +++
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  2996] <... set_robust_list resumed>) = 0
[pid  2995] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2996] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2995] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2993] +++ exited with 0 +++
[pid  2996] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2995] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2993, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2996] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2995] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2996] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2995] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 2997 attached
 <unfinished ...>
[pid  2996] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2995] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 2998 attached
[pid  2997] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2996] <... futex resumed>)        = 0
[pid  2995] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 2997
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 2998
[pid  2998] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2997] <... set_robust_list resumed>) = 0
[pid  2996] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2995] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2998] <... set_robust_list resumed>) = 0
[pid  2997] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2996] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2995] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2998] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2997] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2996] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2995] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2998] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2997] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2996] <... futex resumed>)        = 0
[pid  2995] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2998] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2996] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2997] <... prctl resumed>)        = 0
[pid  2995] <... futex resumed>)        = 0
[pid  2998] <... prctl resumed>)        = 0
[pid  2997] setpgid(0, 0 <unfinished ...>
[pid  2996] <... openat resumed>)       = 3
[pid  2995] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2998] setpgid(0, 0 <unfinished ...>
[pid  2997] <... setpgid resumed>)      = 0
[pid  2996] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2995] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2998] <... setpgid resumed>)      = 0
[pid  2998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  2996] <... futex resumed>)        = 0
[pid  2995] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2998] <... openat resumed>)       = 3
[pid  2996] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2995] <... futex resumed>)        = 0
[pid  2998] write(3, "1000", 4 <unfinished ...>
[pid  2997] <... openat resumed>)       = 3
[pid  2996] <... write resumed>)        = 2
[pid  2995] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2998] <... write resumed>)        = 4
[pid  2997] write(3, "1000", 4 <unfinished ...>
[pid  2996] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2995] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2998] close(3 <unfinished ...>
[pid  2997] <... write resumed>)        = 4
[pid  2996] <... futex resumed>)        = 0
[pid  2995] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2998] <... close resumed>)        = 0
[pid  2997] close(3 <unfinished ...>
[pid  2996] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2995] <... futex resumed>)        = 0
[pid  2998] write(1, "executing program\n", 18 <unfinished ...>
[pid  2997] <... close resumed>)        = 0
[pid  2998] <... write resumed>)        = 18
[pid  2997] write(1, "executing program\n", 18 <unfinished ...>
[pid  2996] <... openat resumed>)       = 4
executing program
[pid  2995] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2998] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2997] <... write resumed>)        = 18
[pid  2998] <... futex resumed>)        = 0
executing program
[pid  2997] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2996] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2998] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2997] <... futex resumed>)        = 0
[pid  2998] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2996] <... futex resumed>)        = 1
[pid  2995] <... futex resumed>)        = 0
[pid  2997] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2998] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2995] exit_group(0 <unfinished ...>
[pid  2998] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2997] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2995] <... exit_group resumed>)   = ?
[pid  2997] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2996] +++ exited with 0 +++
[pid   313] <... restart_syscall resumed>) = 0
[pid  2995] +++ exited with 0 +++
[pid  2998] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2997] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2998] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2995, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  2998] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2997] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2998] <... mprotect resumed>)     = 0
[pid  2997] <... mmap resumed>)         = 0x7fb4de009000
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  2998] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2997] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITEci2-android-6-12-rust/strace-static-x86_64: Process 2999 attached
 <unfinished ...>
[pid  2998] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2997] <... mprotect resumed>)     = 0
[pid  2999] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  2998] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2997] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2999] <... set_robust_list resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3000 attached
[pid  2999] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2997] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3000] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  2999] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2998] <... clone3 resumed> => {parent_tid=[3000]}, 88) = 3000
[pid  3000] <... set_robust_list resumed>) = 0
[pid  2997] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2998] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3000] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2999] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  2998] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3000] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2999] <... prctl resumed>)        = 0
[pid  2998] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3000] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  2999] setpgid(0, 0 <unfinished ...>
[pid  2998] <... futex resumed>)        = 0
[pid  2997] <... clone3 resumed> => {parent_tid=[3001]}, 88) = 3001
[pid  3000] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  2999] <... setpgid resumed>)      = 0
[pid  2998] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2997] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3000] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3000] <... futex resumed>)        = 0
[pid  2998] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2997] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3001 attached
[pid  3000] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2999] <... openat resumed>)       = 3
[pid  2998] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2997] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 2999
[pid  3001] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3000] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2999] write(3, "1000", 4 <unfinished ...>
[pid  2998] <... futex resumed>)        = 0
[pid  2997] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3001] <... set_robust_list resumed>) = 0
[pid  3000] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  2999] <... write resumed>)        = 4
[pid  2998] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2997] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3001] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3000] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  2999] close(3 <unfinished ...>
[pid  3001] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3000] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2999] <... close resumed>)        = 0
[pid  3001] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3000] <... futex resumed>)        = 1
[pid  2999] write(1, "executing program\n", 18 <unfinished ...>
[pid  2998] <... futex resumed>)        = 0
[pid  3001] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3000] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2999] <... write resumed>)        = 18
[pid  2998] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3001] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3000] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3001] <... futex resumed>)        = 1
executing program
[pid  2999] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2998] <... futex resumed>)        = 0
[pid  3000] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  2997] <... futex resumed>)        = 0
[pid  3001] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2999] <... futex resumed>)        = 0
[pid  2998] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3001] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3000] <... openat resumed>)       = 3
[pid  2999] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  2997] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3001] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3000] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2999] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  2997] <... futex resumed>)        = 0
[pid  3001] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3000] <... futex resumed>)        = 1
[pid  2999] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  2998] <... futex resumed>)        = 0
[pid  2997] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3001] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3000] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2999] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2998] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2997] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3001] <... futex resumed>)        = 0
[pid  3000] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3001] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3000] write(3, "\x38\x00", 2 <unfinished ...>
[pid  2999] <... mmap resumed>)         = 0x7fb4de009000
[pid  2998] <... futex resumed>)        = 0
[pid  2997] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3000] <... write resumed>)        = 2
[pid   315] <... restart_syscall resumed>) = 0
[pid  3001] <... openat resumed>)       = 3
[pid  3000] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2999] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  2998] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2997] <... futex resumed>)        = 0
[pid  3001] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3000] <... futex resumed>)        = 0
[pid  2999] <... mprotect resumed>)     = 0
[pid  2998] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2997] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3001] <... futex resumed>)        = 0
[pid  3000] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2999] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  2998] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2997] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3001] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3000] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2999] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  2998] <... futex resumed>)        = 0
[pid  2997] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3001] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3000] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2999] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  2998] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2997] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 3003 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 3002 attached
 <unfinished ...>
[pid  3001] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3000] <... openat resumed>)       = 4
[pid  2997] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3003] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3002] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3001] <... write resumed>)        = 2
[pid  3000] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2999] <... clone3 resumed> => {parent_tid=[3002]}, 88) = 3002
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3003
[pid  3003] <... set_robust_list resumed>) = 0
[pid  3002] <... set_robust_list resumed>) = 0
[pid  3001] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3000] <... futex resumed>)        = 1
[pid  2999] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  2998] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3003] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3002] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3001] <... futex resumed>)        = 1
[pid  3000] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2999] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  2998] exit_group(0 <unfinished ...>
[pid  2997] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3003] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3002] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3001] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3000] <... futex resumed>)        = ?
[pid  2999] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2998] <... exit_group resumed>)   = ?
[pid  2997] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3003] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3002] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3001] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3000] +++ exited with 0 +++
[pid  2999] <... futex resumed>)        = 0
[pid  2997] <... futex resumed>)        = 0
[pid  3003] <... prctl resumed>)        = 0
[pid  3002] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3001] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2999] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2997] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3003] setpgid(0, 0 <unfinished ...>
[pid  3002] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3003] <... setpgid resumed>)      = 0
[pid  2998] +++ exited with 0 +++
[pid  3002] <... futex resumed>)        = 1
[pid  2999] <... futex resumed>)        = 0
[pid  3003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3002] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3001] <... openat resumed>)       = 4
[pid  2999] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2998, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3003] <... openat resumed>)       = 3
[pid  3002] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3001] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2999] <... futex resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3003] write(3, "1000", 4 <unfinished ...>
[pid  3002] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3001] <... futex resumed>)        = 1
[pid  2999] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  2997] <... futex resumed>)        = 0
[pid  3003] <... write resumed>)        = 4
[pid  3002] <... futex resumed>)        = 0
[pid  2999] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3003] close(3 <unfinished ...>
[pid  3002] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3001] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2999] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2997] exit_group(0 <unfinished ...>
[pid  3003] <... close resumed>)        = 0
[pid  3002] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2999] <... futex resumed>)        = 0
[pid  3001] <... futex resumed>)        = ?
[pid  2997] <... exit_group resumed>)   = ?
[pid  3003] write(1, "executing program\n", 18 <unfinished ...>
[pid  3002] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3001] +++ exited with 0 +++
[pid  2999] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3003] <... write resumed>)        = 18
executing program
[pid  2997] +++ exited with 0 +++
[pid  3003] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3002] <... openat resumed>)       = 3
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2997, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3003] <... futex resumed>)        = 0
[pid  3002] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3003] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3002] <... futex resumed>)        = 1
[pid  2999] <... futex resumed>)        = 0
[pid  3003] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3003] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3002] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  2999] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3003] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3002] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2999] <... futex resumed>)        = 0
[pid  3002] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3003] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  2999] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  3003] <... mmap resumed>)         = 0x7fb4de009000
[pid  3002] <... write resumed>)        = 2
[pid  3003] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3002] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3003] <... mprotect resumed>)     = 0
[pid  3002] <... futex resumed>)        = 1
[pid  2999] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3002] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3003] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3002] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  2999] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3003] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3002] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  2999] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3003] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3002] <... openat resumed>)       = 4
[pid  2999] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 3005 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 3004 attached
 <unfinished ...>
[pid  3002] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  2999] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3005] set_robust_list(0x7fb4de0299a0, 24ci2-android-6-12-rust/strace-static-x86_64: Process 3006 attached
) = 0
[pid  3004] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3003] <... clone3 resumed> => {parent_tid=[3005]}, 88) = 3005
[pid  3002] <... futex resumed>)        = 0
[pid  2999] exit_group(0 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3004
[pid  3006] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3005] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3004] <... set_robust_list resumed>) = 0
[pid  2999] <... exit_group resumed>)   = ?
[pid  3006] <... set_robust_list resumed>) = 0
[pid  3005] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3006] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3005] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3004] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3003] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3006
[pid  3003] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3006] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3005] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3004] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3003] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3002] +++ exited with 0 +++
[pid  2999] +++ exited with 0 +++
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3006] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3005] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3004] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3003] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2999, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3006] <... prctl resumed>)        = 0
[pid  3005] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3004] <... prctl resumed>)        = 0
[pid  3003] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3006] setpgid(0, 0 <unfinished ...>
[pid  3005] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3004] setpgid(0, 0 <unfinished ...>
[pid  3003] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3006] <... setpgid resumed>)      = 0
[pid  3005] <... futex resumed>)        = 0
[pid  3004] <... setpgid resumed>)      = 0
[pid  3003] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3005] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3003] <... futex resumed>)        = 0
[pid  3006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3003] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3005] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3006] <... openat resumed>)       = 3
[pid  3005] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3006] write(3, "1000", 4 <unfinished ...>
[pid  3004] <... openat resumed>)       = 3
[pid  3006] <... write resumed>)        = 4
[pid  3005] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3006] close(3 <unfinished ...>
[pid  3004] write(3, "1000", 4 <unfinished ...>
[pid  3006] <... close resumed>)        = 0
[pid  3004] <... write resumed>)        = 4
[pid  3003] <... futex resumed>)        = 0
[pid  3006] write(1, "executing program\n", 18 <unfinished ...>
[pid  3004] close(3 <unfinished ...>
executing program
[pid  3003] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3006] <... write resumed>)        = 18
[pid  3005] <... futex resumed>)        = 0
[pid  3004] <... close resumed>)        = 0
[pid  3003] <... futex resumed>)        = 1
[pid  3006] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3005] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3004] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  3003] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3006] <... futex resumed>)        = 0
[pid  3005] <... openat resumed>)       = 3
[pid  3004] <... write resumed>)        = 18
[pid  3006] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3005] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3004] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3006] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3005] <... futex resumed>)        = 1
[pid  3004] <... futex resumed>)        = 0
[pid  3006] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3005] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3004] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3003] <... futex resumed>)        = 0
[pid  3006] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3004] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3003] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3006] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3005] <... futex resumed>)        = 0
[pid  3004] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3003] <... futex resumed>)        = 1
[pid  3006] <... mmap resumed>)         = 0x7fb4de009000
[pid  3005] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3004] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3003] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3006] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3005] <... write resumed>)        = 2
[pid  3004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  3005] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3006] <... mprotect resumed>)     = 0
[pid  3004] <... mmap resumed>)         = 0x7fb4de009000
[pid  3005] <... futex resumed>)        = 1
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3006] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3005] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3004] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3006] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3004] <... mprotect resumed>)     = 0
[pid  3003] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 3007 attached
 <unfinished ...>
[pid  3006] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3004] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3003] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 3008 attached
 <unfinished ...>
[pid  3007] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3005] <... futex resumed>)        = 0
[pid  3004] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3003] <... futex resumed>)        = 1
[pid  3008] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3007] <... set_robust_list resumed>) = 0
[pid  3006] <... clone3 resumed> => {parent_tid=[3008]}, 88) = 3008
[pid  3005] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3004] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3003] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3007
[pid  3008] <... set_robust_list resumed>) = 0
[pid  3007] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3006] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3005] <... openat resumed>)       = 4
ci2-android-6-12-rust/strace-static-x86_64: Process 3009 attached
[pid  3008] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3007] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3006] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3005] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3003] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3009] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3008] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3007] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3006] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3005] <... futex resumed>)        = 0
[pid  3004] <... clone3 resumed> => {parent_tid=[3009]}, 88) = 3009
[pid  3003] exit_group(0 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3009] <... set_robust_list resumed>) = 0
[pid  3008] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3007] <... prctl resumed>)        = 0
[pid  3006] <... futex resumed>)        = 0
[pid  3004] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3003] <... exit_group resumed>)   = ?
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3009] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3008] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3007] setpgid(0, 0 <unfinished ...>
[pid  3006] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3005] +++ exited with 0 +++
[pid  3004] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3003] +++ exited with 0 +++
[pid  3009] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3008] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3007] <... setpgid resumed>)      = 0
[pid  3006] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3004] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3003, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3009] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3008] <... futex resumed>)        = 0
[pid  3007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3006] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3004] <... futex resumed>)        = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3009] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3008] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3007] <... openat resumed>)       = 3
[pid  3006] <... futex resumed>)        = 0
[pid  3004] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3009] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3008] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3007] write(3, "1000", 4 <unfinished ...>
[pid  3006] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3008] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3009] <... futex resumed>)        = 1
[pid  3007] <... write resumed>)        = 4
[pid  3006] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3004] <... futex resumed>)        = 0
[pid  3009] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3008] <... futex resumed>)        = 0
[pid  3007] close(3 <unfinished ...>
[pid  3006] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3004] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3009] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3008] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3007] <... close resumed>)        = 0
[pid  3006] <... futex resumed>)        = 0
[pid  3004] <... futex resumed>)        = 0
[pid  3009] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3008] <... openat resumed>)       = 3
[pid  3007] write(1, "executing program\n", 18 <unfinished ...>
[pid  3006] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3004] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3009] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3008] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3007] <... write resumed>)        = 18
[pid  3006] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3009] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3008] <... futex resumed>)        = 0
[pid  3009] <... futex resumed>)        = 1
[pid  3007] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3006] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3008] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3004] <... futex resumed>)        = 0
[pid  3009] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3008] <... write resumed>)        = 2
[pid  3007] <... futex resumed>)        = 0
[pid  3006] <... futex resumed>)        = 0
[pid  3004] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3009] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3008] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3007] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3006] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3004] <... futex resumed>)        = 0
[pid  3009] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3008] <... futex resumed>)        = 0
[pid  3007] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3006] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3004] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3009] <... openat resumed>)       = 3
[pid  3008] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3007] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3006] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3009] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3008] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3007] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3006] <... futex resumed>)        = 0
[pid  3009] <... futex resumed>)        = 1
executing program
[pid  3008] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3006] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3004] <... futex resumed>)        = 0
[pid  3009] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3008] <... openat resumed>)       = 4
[pid  3009] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3008] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3007] <... mmap resumed>)         = 0x7fb4de009000
[pid  3004] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  3009] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3008] <... futex resumed>)        = 1
[pid  3007] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3006] <... futex resumed>)        = 0
[pid  3004] <... futex resumed>)        = 0
[pid  3009] <... write resumed>)        = 2
[pid  3008] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3007] <... mprotect resumed>)     = 0
[pid  3006] exit_group(0 <unfinished ...>
[pid  3004] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3009] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3008] <... futex resumed>)        = ?
[pid  3007] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3006] <... exit_group resumed>)   = ?
[pid  3004] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3009] <... futex resumed>)        = 0
[pid  3008] +++ exited with 0 +++
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 3010 attached
 <unfinished ...>
[pid  3009] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3007] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3006] +++ exited with 0 +++
[pid  3004] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3010] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3007] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3004] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3010
[pid  3009] <... openat resumed>)       = 4
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3006, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 3011 attached
[pid  3010] <... set_robust_list resumed>) = 0
[pid  3009] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3004] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3011] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3010] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3009] <... futex resumed>)        = 0
[pid  3007] <... clone3 resumed> => {parent_tid=[3011]}, 88) = 3011
[pid  3004] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3011] <... set_robust_list resumed>) = 0
[pid  3010] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3009] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3007] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3004] exit_group(0 <unfinished ...>
[pid  3011] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3010] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3009] <... futex resumed>)        = ?
[pid  3007] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3004] <... exit_group resumed>)   = ?
[pid  3011] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3010] <... prctl resumed>)        = 0
[pid  3009] +++ exited with 0 +++
[pid  3007] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3011] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  3011] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3010] setpgid(0, 0 <unfinished ...>
[pid  3007] <... futex resumed>)        = 0
[pid  3004] +++ exited with 0 +++
[pid  3011] <... futex resumed>)        = 0
[pid  3010] <... setpgid resumed>)      = 0
[pid  3007] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3004, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3011] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3007] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3007] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3010] <... openat resumed>)       = 3
[pid  3011] <... futex resumed>)        = 0
[pid  3007] <... futex resumed>)        = 1
[pid  3010] write(3, "1000", 4 <unfinished ...>
[pid  3007] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3010] <... write resumed>)        = 4
[pid  3011] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3010] close(3 <unfinished ...>
[pid  3011] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3010] <... close resumed>)        = 0
[pid  3011] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3010] write(1, "executing program\n", 18 <unfinished ...>
[pid  3011] <... futex resumed>)        = 1
[pid  3007] <... futex resumed>)        = 0
executing program
[pid  3010] <... write resumed>)        = 18
[pid  3007] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3011] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3007] <... futex resumed>)        = 0
[pid  3010] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3011] <... openat resumed>)       = 3
[pid  3007] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3011] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3010] <... futex resumed>)        = 0
[pid  3007] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3011] <... futex resumed>)        = 0
[pid  3010] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3007] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3011] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3010] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3007] <... futex resumed>)        = 0
[pid  3011] <... write resumed>)        = 2
[pid  3010] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3007] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3011] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3010] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3011] <... futex resumed>)        = 0
[pid  3010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3007] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3011] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3010] <... mmap resumed>)         = 0x7fb4de009000
[pid  3007] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3011] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3010] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3007] <... futex resumed>)        = 0
[pid  3011] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3007] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3011] <... openat resumed>)       = 4
[pid  3010] <... mprotect resumed>)     = 0
[pid  3011] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3010] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3011] <... futex resumed>)        = 1
[pid  3010] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3007] <... futex resumed>)        = 0
[pid  3011] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3010] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3007] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 3012 attached
 <unfinished ...>
[pid  3011] <... futex resumed>)        = ?
[pid  3007] <... exit_group resumed>)   = ?
[pid  3012] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3011] +++ exited with 0 +++
[pid  3010] <... clone3 resumed> => {parent_tid=[3012]}, 88) = 3012
[pid  3007] +++ exited with 0 +++
[pid  3012] <... set_robust_list resumed>) = 0
[pid  3010] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3007, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3012] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3010] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3012] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3010] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  3012] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3010] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3012] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3010] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3012] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3010] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 3013 attached
 <unfinished ...>
[pid  3012] <... futex resumed>)        = 0
[pid  3010] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3013] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3012] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3010] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3013
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 3014 attached
 <unfinished ...>
[pid  3013] <... set_robust_list resumed>) = 0
[pid  3012] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3010] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3014] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3013] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3012] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3010] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3014
[pid  3014] <... set_robust_list resumed>) = 0
[pid  3013] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3012] <... futex resumed>)        = 0
[pid  3010] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3014] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3013] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3012] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3010] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3014] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3013] <... prctl resumed>)        = 0
[pid  3012] <... openat resumed>)       = 3
[pid  3010] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3014] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3013] setpgid(0, 0 <unfinished ...>
[pid  3012] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3010] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3014] <... prctl resumed>)        = 0
[pid  3014] setpgid(0, 0)               = 0
[pid  3014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3013] <... setpgid resumed>)      = 0
[pid  3012] <... futex resumed>)        = 0
[pid  3010] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3014] <... openat resumed>)       = 3
[pid  3014] write(3, "1000", 4)         = 4
[pid  3010] <... futex resumed>)        = 0
[pid  3014] close(3 <unfinished ...>
[pid  3012] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3014] <... close resumed>)        = 0
[pid  3013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3010] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3012] <... write resumed>)        = 2
[pid  3014] write(1, "executing program\n", 18 <unfinished ...>
[pid  3012] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3014] <... write resumed>)        = 18
executing program
[pid  3014] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3012] <... futex resumed>)        = 1
[pid  3010] <... futex resumed>)        = 0
[pid  3014] <... futex resumed>)        = 0
[pid  3012] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3010] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3014] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3013] <... openat resumed>)       = 3
[pid  3012] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3010] <... futex resumed>)        = 0
[pid  3014] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3013] write(3, "1000", 4 <unfinished ...>
[pid  3012] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3010] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3014] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  3014] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  3014] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3013] <... write resumed>)        = 4
[pid  3012] <... openat resumed>)       = 4
[pid  3014] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3013] close(3 <unfinished ...>
[pid  3014] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3013] <... close resumed>)        = 0
[pid  3012] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3013] write(1, "executing program\n", 18 <unfinished ...>
[pid  3012] <... futex resumed>)        = 1
[pid  3010] <... futex resumed>)        = 0
executing program
[pid  3013] <... write resumed>)        = 18
[pid  3014] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3013] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3012] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3010] exit_group(0 <unfinished ...>
[pid  3014] <... clone3 resumed> => {parent_tid=[3015]}, 88) = 3015
[pid   313] <... restart_syscall resumed>) = 0
[pid  3014] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  3014] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 3015 attached
 <unfinished ...>
[pid  3014] <... futex resumed>)        = 0
[pid  3013] <... futex resumed>)        = 0
[pid  3012] <... futex resumed>)        = ?
[pid  3010] <... exit_group resumed>)   = ?
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3015] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3014] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3013] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3012] +++ exited with 0 +++
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 3016 attached
 <unfinished ...>
[pid  3015] <... set_robust_list resumed>) = 0
[pid  3013] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3015] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3010] +++ exited with 0 +++
[pid  3013] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3015] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3016] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3015] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3013] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3010, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3016] <... set_robust_list resumed>) = 0
[pid  3015] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3013] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3016] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3015] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3013] <... mmap resumed>)         = 0x7fb4de009000
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3016
[pid  3016] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3015] <... futex resumed>)        = 1
[pid  3014] <... futex resumed>)        = 0
[pid  3013] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3016] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3014] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3016] <... prctl resumed>)        = 0
[pid  3014] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3016] setpgid(0, 0 <unfinished ...>
[pid  3014] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3016] <... setpgid resumed>)      = 0
[pid  3016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3016] write(3, "1000", 4 <unfinished ...>
[pid  3015] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3013] <... mprotect resumed>)     = 0
[pid  3016] <... write resumed>)        = 4
[pid  3016] close(3)                    = 0
[pid  3015] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3013] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3015] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3013] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3016] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  3013] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3016] <... write resumed>)        = 18
[pid  3015] <... futex resumed>)        = 1
[pid  3014] <... futex resumed>)        = 0
[pid  3016] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3014] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 3017 attached
 <unfinished ...>
[pid  3016] <... futex resumed>)        = 0
[pid  3014] <... futex resumed>)        = 0
[pid  3017] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3016] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3014] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3017] <... set_robust_list resumed>) = 0
[pid  3016] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3017] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3016] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3017] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3016] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3017] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3016] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  3016] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3016] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  3016] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3015] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3013] <... clone3 resumed> => {parent_tid=[3017]}, 88) = 3017
[pid  3015] <... openat resumed>)       = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 3018 attached
[pid  3016] <... clone3 resumed> => {parent_tid=[3018]}, 88) = 3018
[pid  3015] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3013] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3018] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3016] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3015] <... futex resumed>)        = 1
[pid  3014] <... futex resumed>)        = 0
[pid  3013] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3018] <... set_robust_list resumed>) = 0
[pid  3016] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3015] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3014] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3013] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3018] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3016] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3015] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3014] <... futex resumed>)        = 0
[pid  3013] <... futex resumed>)        = 1
[pid  3018] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3017] <... futex resumed>)        = 0
[pid  3016] <... futex resumed>)        = 0
[pid  3015] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3014] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3018] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3017] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3016] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3015] <... write resumed>)        = 2
[pid  3013] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3018] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3017] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3015] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3017] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3013] <... futex resumed>)        = 0
[pid  3015] <... futex resumed>)        = 1
[pid  3014] <... futex resumed>)        = 0
[pid  3017] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3014] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3015] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3014] <... futex resumed>)        = 0
[pid  3013] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3014] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3018] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3015] <... openat resumed>)       = 4
[pid  3017] <... futex resumed>)        = 0
[pid  3013] <... futex resumed>)        = 1
[pid  3017] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3013] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3018] <... futex resumed>)        = 1
[pid  3016] <... futex resumed>)        = 0
[pid  3018] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3017] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3016] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3015] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3018] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3016] <... futex resumed>)        = 0
[pid  3018] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3016] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3018] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3018] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3016] <... futex resumed>)        = 0
[pid  3018] <... futex resumed>)        = 1
[pid  3016] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3018] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3016] <... futex resumed>)        = 0
[pid  3018] <... openat resumed>)       = 3
[pid  3016] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3018] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3017] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3015] <... futex resumed>)        = 1
[pid  3014] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  3018] <... futex resumed>)        = 1
[pid  3017] <... futex resumed>)        = 1
[pid  3016] <... futex resumed>)        = 0
[pid  3015] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3014] exit_group(0 <unfinished ...>
[pid  3013] <... futex resumed>)        = 0
[pid  3018] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3017] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3016] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3015] <... futex resumed>)        = ?
[pid  3014] <... exit_group resumed>)   = ?
[pid  3013] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3018] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3016] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3018] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3016] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3018] <... write resumed>)        = 2
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 3019 attached
 <unfinished ...>
[pid  3018] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3017] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3015] +++ exited with 0 +++
[pid  3014] +++ exited with 0 +++
[pid  3013] <... futex resumed>)        = 0
[pid  3018] <... futex resumed>)        = 1
[pid  3017] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3016] <... futex resumed>)        = 0
[pid  3013] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3014, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3019] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3018] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3016] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3019] <... set_robust_list resumed>) = 0
[pid  3018] <... openat resumed>)       = 4
[pid  3017] <... openat resumed>)       = 3
[pid  3016] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3019
[pid  3019] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3018] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3016] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3018] <... futex resumed>)        = 0
[pid  3017] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3016] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3018] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3016] exit_group(0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3018] <... futex resumed>)        = ?
[pid  3016] <... exit_group resumed>)   = ?
[pid  3019] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3018] +++ exited with 0 +++
[pid  3017] <... futex resumed>)        = 1
[pid  3016] +++ exited with 0 +++
[pid  3013] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3016, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3019] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3013] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3017] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3013] <... futex resumed>)        = 0
[pid  3017] <... write resumed>)        = 2
[pid  3019] <... prctl resumed>)        = 0
[pid  3017] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3013] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3019] setpgid(0, 0 <unfinished ...>
[pid  3017] <... futex resumed>)        = 0
[pid  3013] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3019] <... setpgid resumed>)      = 0
[pid  3013] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3017] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3013] <... futex resumed>)        = 0
[pid  3019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3013] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3019] <... openat resumed>)       = 3
[pid  3017] <... openat resumed>)       = 4
[pid  3019] write(3, "1000", 4 <unfinished ...>
[pid  3017] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3019] <... write resumed>)        = 4
[pid  3019] close(3)                    = 0
[pid  3013] <... futex resumed>)        = 0
[pid  3017] <... futex resumed>)        = 1
[pid  3019] write(1, "executing program\n", 18) = 18
[pid  3019] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3017] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
executing program
[pid  3013] exit_group(0 <unfinished ...>
[pid  3019] <... futex resumed>)        = 0
[pid  3013] <... exit_group resumed>)   = ?
[pid  3017] <... futex resumed>)        = ?
[pid  3019] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  3019] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  3019] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  3019] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3019] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  3019] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3017] +++ exited with 0 +++
[pid  3013] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3013, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3019] <... clone3 resumed> => {parent_tid=[3020]}, 88) = 3020
[pid  3019] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  3019] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3019] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 3020 attached
 <unfinished ...>
[pid  3020] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  3020] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  3020] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  3020] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3019] <... futex resumed>)        = 0
[pid  3020] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3019] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3020] <... futex resumed>)        = 0
[pid  3019] <... futex resumed>)        = 1
[pid  3020] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3019] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3020] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3020] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3019] <... futex resumed>)        = 0
[pid  3020] <... futex resumed>)        = 1
[pid  3019] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3020] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3019] <... futex resumed>)        = 0
[pid  3020] <... openat resumed>)       = 3
[pid  3019] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3020] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3019] <... futex resumed>)        = 0
[pid  3020] <... futex resumed>)        = 1
[pid  3019] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3020] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3019] <... futex resumed>)        = 0
[pid  3020] <... write resumed>)        = 2
[pid  3019] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3020] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3019] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3020] <... futex resumed>)        = 0
[pid  3019] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3020] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3019] <... futex resumed>)        = 0
[pid  3020] <... openat resumed>)       = 4
[pid  3019] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3020] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3019] <... futex resumed>)        = 0
[pid  3020] <... futex resumed>)        = 1
[pid  3020] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3019] exit_group(0 <unfinished ...>
[pid  3020] <... futex resumed>)        = ?
[pid  3020] +++ exited with 0 +++
[pid  3019] <... exit_group resumed>)   = ?
[pid  3019] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3019, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 3021 attached
 <unfinished ...>
[pid  3021] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3021] <... set_robust_list resumed>) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3021
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 3022 attached
 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3022
[pid  3022] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3022] <... set_robust_list resumed>) = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3022] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3022] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3022] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-6-12-rust/strace-static-x86_64: Process 3023 attached
 <unfinished ...>
[pid  3021] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3023
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3023] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3022] <... prctl resumed>)        = 0
[pid  3021] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3023] <... set_robust_list resumed>) = 0
[pid  3022] setpgid(0, 0 <unfinished ...>
[pid  3021] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3023] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3022] <... setpgid resumed>)      = 0
[pid  3021] <... prctl resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3023] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3021] setpgid(0, 0)               = 0
[pid  3022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3023] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3022] <... openat resumed>)       = 3
[pid  3023] <... prctl resumed>)        = 0
[pid  3021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3023] setpgid(0, 0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3023] <... setpgid resumed>)      = 0
[pid  3022] write(3, "1000", 4 <unfinished ...>
[pid  3021] <... openat resumed>)       = 3
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3022] <... write resumed>)        = 4
ci2-android-6-12-rust/strace-static-x86_64: Process 3024 attached
[pid  3022] close(3 <unfinished ...>
[pid  3021] write(3, "1000", 4 <unfinished ...>
[pid  3022] <... close resumed>)        = 0
[pid  3024] set_robust_list(0x55557716c6a0, 24) = 0
[pid  3024] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3021] <... write resumed>)        = 4
[pid  3023] <... openat resumed>)       = 3
[pid  3022] write(1, "executing program\n", 18 <unfinished ...>
[pid  3021] close(3 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3024
[pid  3023] write(3, "1000", 4 <unfinished ...>
[pid  3022] <... write resumed>)        = 18
[pid  3021] <... close resumed>)        = 0
[pid  3023] <... write resumed>)        = 4
executing program
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3022] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3023] close(3 <unfinished ...>
[pid  3021] write(1, "executing program\n", 18 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3023] <... close resumed>)        = 0
[pid  3022] <... futex resumed>)        = 0
[pid  3021] <... write resumed>)        = 18
[pid  3023] write(1, "executing program\n", 18 <unfinished ...>
[pid  3022] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
executing program
executing program
[pid  3021] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3023] <... write resumed>)        = 18
[pid  3022] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3021] <... futex resumed>)        = 0
[pid  3022] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3021] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3024] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3023] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3022] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3021] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3024] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3023] <... futex resumed>)        = 0
[pid  3024] <... prctl resumed>)        = 0
[pid  3023] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3022] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3021] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3024] setpgid(0, 0 <unfinished ...>
[pid  3023] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3022] <... mmap resumed>)         = 0x7fb4de009000
[pid  3024] <... setpgid resumed>)      = 0
[pid  3023] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3022] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3021] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3023] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3022] <... mprotect resumed>)     = 0
[pid  3024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3023] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3021] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3022] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3021] <... mmap resumed>)         = 0x7fb4de009000
[pid  3023] <... mmap resumed>)         = 0x7fb4de009000
[pid  3022] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3022] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3024] <... openat resumed>)       = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 3025 attached
[pid  3025] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  3025] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3022] <... clone3 resumed> => {parent_tid=[3025]}, 88) = 3025
[pid  3025] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3022] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3025] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3022] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3022] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3025] <... futex resumed>)        = 0
[pid  3022] <... futex resumed>)        = 1
[pid  3025] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3022] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3025] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3025] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3022] <... futex resumed>)        = 0
[pid  3025] <... futex resumed>)        = 1
[pid  3022] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3025] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3022] <... futex resumed>)        = 0
[pid  3025] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3024] write(3, "1000", 4 <unfinished ...>
[pid  3023] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3022] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3021] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3024] <... write resumed>)        = 4
[pid  3023] <... mprotect resumed>)     = 0
[pid  3024] close(3 <unfinished ...>
[pid  3021] <... mprotect resumed>)     = 0
[pid  3024] <... close resumed>)        = 0
[pid  3025] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3024] write(1, "executing program\n", 18 <unfinished ...>
[pid  3023] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3022] <... futex resumed>)        = 0
[pid  3021] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3025] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3024] <... write resumed>)        = 18
executing program
[pid  3023] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3022] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3021] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3025] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3024] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3022] <... futex resumed>)        = 0
[pid  3025] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3024] <... futex resumed>)        = 0
[pid  3023] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3022] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3021] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3025] <... openat resumed>)       = 3
[pid  3024] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}ci2-android-6-12-rust/strace-static-x86_64: Process 3026 attached
 <unfinished ...>
[pid  3025] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 3027 attached
 <unfinished ...>
[pid  3026] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3025] <... futex resumed>)        = 1
[pid  3024] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3023] <... clone3 resumed> => {parent_tid=[3026]}, 88) = 3026
[pid  3022] <... futex resumed>)        = 0
[pid  3027] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3026] <... set_robust_list resumed>) = 0
[pid  3025] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3024] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3023] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3022] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3021] <... clone3 resumed> => {parent_tid=[3027]}, 88) = 3027
[pid  3026] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3025] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3024] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3023] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3027] <... set_robust_list resumed>) = 0
[pid  3022] <... futex resumed>)        = 0
[pid  3021] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3026] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3027] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3025] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3023] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3022] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3021] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3027] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3026] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3025] <... write resumed>)        = 2
[pid  3024] <... mmap resumed>)         = 0x7fb4de009000
[pid  3023] <... futex resumed>)        = 0
[pid  3021] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3023] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3027] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3026] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3025] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3024] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3021] <... futex resumed>)        = 0
[pid  3027] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3026] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3025] <... futex resumed>)        = 1
[pid  3022] <... futex resumed>)        = 0
[pid  3027] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3026] <... futex resumed>)        = 1
[pid  3025] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3024] <... mprotect resumed>)     = 0
[pid  3023] <... futex resumed>)        = 0
[pid  3022] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3021] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3027] <... futex resumed>)        = 0
[pid  3026] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3025] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3023] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3022] <... futex resumed>)        = 0
[pid  3027] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3026] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3025] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3024] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3023] <... futex resumed>)        = 0
[pid  3022] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3021] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3026] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3025] <... openat resumed>)       = 4
[pid  3024] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3023] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3021] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3024] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3021] <... futex resumed>)        = 1
[pid  3027] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3028 attached
[pid  3027] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3026] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3025] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3021] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3028] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3027] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3026] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3025] <... futex resumed>)        = 1
[pid  3024] <... clone3 resumed> => {parent_tid=[3028]}, 88) = 3028
[pid  3022] <... futex resumed>)        = 0
[pid  3028] <... set_robust_list resumed>) = 0
[pid  3027] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3026] <... futex resumed>)        = 1
[pid  3025] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3024] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3023] <... futex resumed>)        = 0
[pid  3022] exit_group(0 <unfinished ...>
[pid  3028] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3026] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3025] <... futex resumed>)        = ?
[pid  3023] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3022] <... exit_group resumed>)   = ?
[pid  3027] <... futex resumed>)        = 1
[pid  3028] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3026] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3025] +++ exited with 0 +++
[pid  3027] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3024] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3023] <... futex resumed>)        = 0
[pid  3022] +++ exited with 0 +++
[pid  3021] <... futex resumed>)        = 0
[pid  3028] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3026] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3024] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3023] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3021] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3022, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3028] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3027] <... futex resumed>)        = 0
[pid  3024] <... futex resumed>)        = 0
[pid  3021] <... futex resumed>)        = 1
[pid  3027] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3024] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3021] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3027] <... openat resumed>)       = 3
[pid  3028] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3027] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3026] <... openat resumed>)       = 3
[pid  3028] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3026] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3028] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3026] <... futex resumed>)        = 1
[pid  3023] <... futex resumed>)        = 0
[pid  3028] <... futex resumed>)        = 1
[pid  3026] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3023] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3028] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3026] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3023] <... futex resumed>)        = 0
[pid  3026] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3023] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3027] <... futex resumed>)        = 1
[pid  3026] <... write resumed>)        = 2
[pid  3024] <... futex resumed>)        = 0
[pid  3021] <... futex resumed>)        = 0
[pid  3027] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3026] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3024] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3021] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3028] <... futex resumed>)        = 0
[pid  3027] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3026] <... futex resumed>)        = 1
[pid  3024] <... futex resumed>)        = 1
[pid  3023] <... futex resumed>)        = 0
[pid  3021] <... futex resumed>)        = 0
[pid  3028] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3027] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3026] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3024] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3023] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3021] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3028] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3027] <... write resumed>)        = 2
[pid  3026] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3023] <... futex resumed>)        = 0
[pid  3028] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3027] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3026] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3023] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3028] <... futex resumed>)        = 1
[pid  3027] <... futex resumed>)        = 1
[pid  3026] <... openat resumed>)       = 4
[pid  3024] <... futex resumed>)        = 0
[pid  3021] <... futex resumed>)        = 0
[pid  3028] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3027] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3026] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3027] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3024] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3023] <... futex resumed>)        = 0
[pid  3021] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3028] <... futex resumed>)        = 0
[pid  3027] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3026] <... futex resumed>)        = 1
[pid  3024] <... futex resumed>)        = 1
[pid  3023] exit_group(0 <unfinished ...>
[pid  3021] <... futex resumed>)        = 0
[pid  3028] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3024] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3023] <... exit_group resumed>)   = ?
[pid  3028] <... openat resumed>)       = 3
[pid  3027] <... openat resumed>)       = 4
[pid  3026] +++ exited with 0 +++
[pid  3023] +++ exited with 0 +++
[pid  3021] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3028] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3027] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3021] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3028] <... futex resumed>)        = 1
[pid  3027] <... futex resumed>)        = 0
[pid  3024] <... futex resumed>)        = 0
[pid  3028] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3027] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3024] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3021] exit_group(0 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3023, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3028] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3027] <... futex resumed>)        = ?
[pid  3024] <... futex resumed>)        = 0
[pid  3021] <... exit_group resumed>)   = ?
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3028] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3027] +++ exited with 0 +++
[pid  3024] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3028] <... write resumed>)        = 2
[pid  3028] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3024] <... futex resumed>)        = 0
[pid  3024] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3024] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3028] <... futex resumed>)        = 1
[pid  3028] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid  3028] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3021] +++ exited with 0 +++
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3021, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3024] <... futex resumed>)        = 0
[pid  3024] exit_group(0 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3024] <... exit_group resumed>)   = ?
[pid  3028] <... futex resumed>)        = ?
[pid  3028] +++ exited with 0 +++
[pid  3024] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3024, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557716c690) = 3029
ci2-android-6-12-rust/strace-static-x86_64: Process 3029 attached
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  3029] set_robust_list(0x55557716c6a0, 24) = 0
[pid  3029] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  3029] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3029] setpgid(0, 0 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3029] <... setpgid resumed>)      = 0
[pid  3029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3029] <... openat resumed>)       = 3
[pid  3029] write(3, "1000", 4)         = 4
[pid  3029] close(3)                    = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3030 attached
[pid  3029] write(1, "executing program\n", 18 <unfinished ...>
[pid  3030] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3029] <... write resumed>)        = 18
[pid  3030] <... set_robust_list resumed>) = 0
executing program
[pid  3029] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3030
[pid  3030] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3029] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3029] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3030] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3029] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3030] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3029] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3030] <... prctl resumed>)        = 0
[pid  3029] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3030] setpgid(0, 0 <unfinished ...>
[pid  3029] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3030] <... setpgid resumed>)      = 0
[pid  3029] <... mmap resumed>)         = 0x7fb4de009000
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 3031 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 3032 attached
 <unfinished ...>
[pid  3030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3029] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3032] set_robust_list(0x55557716c6a0, 24) = 0
[pid  3031] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3030] <... openat resumed>)       = 3
[pid  3029] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3031
[pid  3032] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3031] <... set_robust_list resumed>) = 0
[pid  3030] write(3, "1000", 4 <unfinished ...>
[pid  3029] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3032
[pid  3032] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3031] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3030] <... write resumed>)        = 4
[pid  3029] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 3033 attached
 <unfinished ...>
[pid  3032] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3031] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3030] close(3 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3030] <... close resumed>)        = 0
[pid  3030] write(1, "executing program\n", 18) = 18
[pid  3030] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3029] <... clone3 resumed> => {parent_tid=[3033]}, 88) = 3033
[pid  3030] <... futex resumed>)        = 0
executing program
[pid  3029] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3030] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3029] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3030] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3029] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3030] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  3029] <... futex resumed>)        = 0
[pid  3030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3029] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3030] <... mmap resumed>)         = 0x7fb4de009000
[pid  3030] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3030] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  3030] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3033] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3031] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3033] <... set_robust_list resumed>) = 0
[pid  3032] <... prctl resumed>)        = 0
[pid  3031] <... prctl resumed>)        = 0
[pid  3033] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3032] setpgid(0, 0 <unfinished ...>
[pid  3031] setpgid(0, 0 <unfinished ...>
[pid  3033] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3032] <... setpgid resumed>)      = 0
[pid  3031] <... setpgid resumed>)      = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3034 attached
[pid  3034] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3030] <... clone3 resumed> => {parent_tid=[3034]}, 88) = 3034
[pid  3034] <... set_robust_list resumed>) = 0
[pid  3033] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3030] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3034] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3030] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3034] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3033] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3032] <... openat resumed>)       = 3
[pid  3031] <... openat resumed>)       = 3
[pid  3030] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3034] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3033] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3032] write(3, "1000", 4 <unfinished ...>
[pid  3031] write(3, "1000", 4 <unfinished ...>
[pid  3030] <... futex resumed>)        = 0
[pid  3034] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3033] <... futex resumed>)        = 1
[pid  3032] <... write resumed>)        = 4
[pid  3031] <... write resumed>)        = 4
[pid  3030] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3029] <... futex resumed>)        = 0
[pid  3034] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3033] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3032] close(3 <unfinished ...>
[pid  3031] close(3 <unfinished ...>
[pid  3030] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3029] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3034] <... futex resumed>)        = 0
[pid  3033] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3032] <... close resumed>)        = 0
[pid  3031] <... close resumed>)        = 0
[pid  3030] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3029] <... futex resumed>)        = 0
[pid  3034] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3033] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3032] write(1, "executing program\n", 18 <unfinished ...>
[pid  3031] write(1, "executing program\n", 18 <unfinished ...>
[pid  3030] <... futex resumed>)        = 0
[pid  3029] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3034] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3032] <... write resumed>)        = 18
[pid  3031] <... write resumed>)        = 18
[pid  3030] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3033] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
executing program
executing program
[pid  3031] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3032] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3031] <... futex resumed>)        = 0
[pid  3034] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3032] <... futex resumed>)        = 0
[pid  3031] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3034] <... futex resumed>)        = 1
[pid  3033] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3032] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3031] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3030] <... futex resumed>)        = 0
[pid  3034] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3030] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3034] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3030] <... futex resumed>)        = 0
[pid  3034] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3033] <... futex resumed>)        = 1
[pid  3032] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3031] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3030] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3029] <... futex resumed>)        = 0
[pid  3033] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3032] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3031] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3032] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3034] <... openat resumed>)       = 3
[pid  3032] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3031] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3029] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3034] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3032] <... mmap resumed>)         = 0x7fb4de009000
[pid  3029] <... futex resumed>)        = 1
[pid  3034] <... futex resumed>)        = 1
[pid  3033] <... futex resumed>)        = 0
[pid  3032] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3031] <... mmap resumed>)         = 0x7fb4de009000
[pid  3030] <... futex resumed>)        = 0
[pid  3029] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3034] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3033] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3031] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3030] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3034] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3033] <... openat resumed>)       = 3
[pid  3032] <... mprotect resumed>)     = 0
[pid  3031] <... mprotect resumed>)     = 0
[pid  3030] <... futex resumed>)        = 0
[pid  3034] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3033] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3030] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3034] <... write resumed>)        = 2
[pid  3033] <... futex resumed>)        = 1
[pid  3032] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3031] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3029] <... futex resumed>)        = 0
[pid  3034] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3033] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3032] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3031] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3029] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3034] <... futex resumed>)        = 1
[pid  3033] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3030] <... futex resumed>)        = 0
[pid  3029] <... futex resumed>)        = 0
[pid  3034] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3033] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3032] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3031] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3030] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3029] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3034] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3033] <... write resumed>)        = 2
[pid  3030] <... futex resumed>)        = 0
[pid  3034] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3030] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 3036 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 3035 attached
 <unfinished ...>
[pid  3034] <... openat resumed>)       = 4
[pid  3033] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3036] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3033] <... futex resumed>)        = 1
[pid  3029] <... futex resumed>)        = 0
[pid  3036] <... set_robust_list resumed>) = 0
[pid  3035] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3034] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3029] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3036] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3035] <... set_robust_list resumed>) = 0
[pid  3034] <... futex resumed>)        = 1
[pid  3031] <... clone3 resumed> => {parent_tid=[3036]}, 88) = 3036
[pid  3030] <... futex resumed>)        = 0
[pid  3033] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3029] <... futex resumed>)        = 0
[pid  3036] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3035] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3034] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3032] <... clone3 resumed> => {parent_tid=[3035]}, 88) = 3035
[pid  3031] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3030] exit_group(0 <unfinished ...>
[pid  3029] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3036] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3035] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3033] <... openat resumed>)       = 4
[pid  3032] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3031] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3035] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3034] <... futex resumed>)        = ?
[pid  3033] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3032] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3031] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3030] <... exit_group resumed>)   = ?
[pid  3036] <... futex resumed>)        = 0
[pid  3034] +++ exited with 0 +++
[pid  3033] <... futex resumed>)        = 1
[pid  3032] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3031] <... futex resumed>)        = 1
[pid  3030] +++ exited with 0 +++
[pid  3029] <... futex resumed>)        = 0
[pid  3036] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3035] <... futex resumed>)        = 0
[pid  3033] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3032] <... futex resumed>)        = 1
[pid  3031] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3029] exit_group(0 <unfinished ...>
[pid  3036] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3032] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3030, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3036] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3035] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3029] <... exit_group resumed>)   = ?
[pid  3036] <... futex resumed>)        = 1
[pid  3035] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3033] <... futex resumed>)        = ?
[pid  3031] <... futex resumed>)        = 0
[pid  3036] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3035] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3035] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3031] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3036] <... futex resumed>)        = 0
[pid  3032] <... futex resumed>)        = 0
[pid  3031] <... futex resumed>)        = 1
[pid  3032] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3031] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3032] <... futex resumed>)        = 1
[pid  3036] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3035] <... futex resumed>)        = 0
[pid  3036] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3035] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3036] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3035] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3033] +++ exited with 0 +++
[pid  3032] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3029] +++ exited with 0 +++
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3036] <... futex resumed>)        = 1
[pid  3035] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3032] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3031] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3029, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3036] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3035] <... futex resumed>)        = 0
[pid  3032] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3031] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 3037 attached
 <unfinished ...>
[pid  3036] <... openat resumed>)       = 3
[pid  3035] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3032] <... futex resumed>)        = 0
[pid  3031] <... futex resumed>)        = 0
[pid  3037] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3036] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3035] <... openat resumed>)       = 3
[pid  3031] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3037
[pid  3037] <... set_robust_list resumed>) = 0
[pid  3032] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3031] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3037] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3031] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3037] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3031] <... futex resumed>)        = 0
[pid  3037] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3036] <... futex resumed>)        = 0
[pid  3035] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3031] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3037] <... prctl resumed>)        = 0
[pid  3036] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3035] <... futex resumed>)        = 1
[pid  3032] <... futex resumed>)        = 0
[pid  3037] setpgid(0, 0 <unfinished ...>
[pid  3036] <... write resumed>)        = 2
[pid  3035] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3037] <... setpgid resumed>)      = 0
[pid  3036] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3035] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3032] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3036] <... futex resumed>)        = 1
[pid  3035] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3032] <... futex resumed>)        = 0
[pid  3031] <... futex resumed>)        = 0
[pid  3037] <... openat resumed>)       = 3
[pid  3036] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3035] <... write resumed>)        = 2
[pid  3037] write(3, "1000", 4 <unfinished ...>
[pid  3036] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3035] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3032] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3031] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3037] <... write resumed>)        = 4
[pid  3036] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3035] <... futex resumed>)        = 0
[pid  3032] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3037] close(3 <unfinished ...>
[pid  3036] <... openat resumed>)       = 4
[pid  3035] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3031] <... futex resumed>)        = 0
[pid  3037] <... close resumed>)        = 0
[pid  3036] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3035] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3032] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  3037] write(1, "executing program\n", 18 <unfinished ...>
[pid  3036] <... futex resumed>)        = 0
executing program
[pid  3035] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3032] <... futex resumed>)        = 0
[pid  3031] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3037] <... write resumed>)        = 18
[pid  3036] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3035] <... openat resumed>)       = 4
[pid  3032] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3031] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3035] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3035] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3035] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3037] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3032] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3031] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 3038 attached
 <unfinished ...>
[pid  3037] <... futex resumed>)        = 0
[pid  3032] exit_group(0 <unfinished ...>
[pid  3031] <... exit_group resumed>)   = ?
[pid  3038] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3037] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3032] <... exit_group resumed>)   = ?
[pid  3038] <... set_robust_list resumed>) = 0
[pid  3037] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3036] <... futex resumed>)        = ?
[pid  3038] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3037] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3036] +++ exited with 0 +++
[pid  3031] +++ exited with 0 +++
[pid  3038] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3037] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3037] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3035] <... futex resumed>)        = ?
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3031, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3038
[pid  3038] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3037] <... mmap resumed>)         = 0x7fb4de009000
[pid  3035] +++ exited with 0 +++
[pid  3032] +++ exited with 0 +++
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3038] <... prctl resumed>)        = 0
[pid  3037] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3032, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3038] setpgid(0, 0 <unfinished ...>
[pid  3037] <... mprotect resumed>)     = 0
[pid  3038] <... setpgid resumed>)      = 0
[pid  3038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3037] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  3038] <... openat resumed>)       = 3
[pid  3038] write(3, "1000", 4 <unfinished ...>
[pid  3037] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 3039 attached
 <unfinished ...>
[pid  3038] <... write resumed>)        = 4
[pid  3039] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3038] close(3 <unfinished ...>
[pid  3039] <... set_robust_list resumed>) = 0
[pid  3038] <... close resumed>)        = 0
[pid  3039] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3038] write(1, "executing program\n", 18 <unfinished ...>
[pid  3039] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3038] <... write resumed>)        = 18
executing program
[pid  3039] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3038] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3037] <... clone3 resumed> => {parent_tid=[3039]}, 88) = 3039
[pid  3038] <... futex resumed>)        = 0
[pid  3037] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3038] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3037] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3038] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3037] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3039] <... futex resumed>)        = 0
[pid  3038] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3037] <... futex resumed>)        = 1
[pid  3039] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3038] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3037] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  3039] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3038] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3039] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3038] <... mmap resumed>)         = 0x7fb4de009000
[pid  3039] <... futex resumed>)        = 1
[pid  3038] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3037] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3039] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3038] <... mprotect resumed>)     = 0
[pid  3037] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3039] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3038] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3037] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  3039] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3038] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3037] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3039] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3038] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 3040 attached
 <unfinished ...>
[pid  3039] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 3041 attached
 <unfinished ...>
[pid  3040] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3039] <... futex resumed>)        = 1
[pid  3037] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3039] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3041] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3038] <... clone3 resumed> => {parent_tid=[3041]}, 88) = 3041
[pid  3041] <... set_robust_list resumed>) = 0
[pid  3040] <... set_robust_list resumed>) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3041] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3038] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3040] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3037] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3040
[pid  3039] <... futex resumed>)        = 0
[pid  3037] <... futex resumed>)        = 1
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3039] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3037] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3039] <... openat resumed>)       = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 3042 attached
[pid  3041] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3040] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3039] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3038] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3041] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3042] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3040] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3039] <... futex resumed>)        = 1
[pid  3038] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3037] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3042
[pid  3042] <... set_robust_list resumed>) = 0
[pid  3041] <... futex resumed>)        = 0
[pid  3040] <... prctl resumed>)        = 0
[pid  3039] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3038] <... futex resumed>)        = 1
[pid  3037] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3041] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3040] setpgid(0, 0 <unfinished ...>
[pid  3039] <... write resumed>)        = 2
[pid  3038] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3042] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3037] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3042] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3041] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3040] <... setpgid resumed>)      = 0
[pid  3039] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3037] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3042] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3041] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3039] <... futex resumed>)        = 0
[pid  3037] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3042] <... prctl resumed>)        = 0
[pid  3041] <... futex resumed>)        = 1
[pid  3040] <... openat resumed>)       = 3
[pid  3039] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3038] <... futex resumed>)        = 0
[pid  3037] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3042] setpgid(0, 0 <unfinished ...>
[pid  3041] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3040] write(3, "1000", 4 <unfinished ...>
[pid  3039] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3038] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3037] <... futex resumed>)        = 0
[pid  3042] <... setpgid resumed>)      = 0
[pid  3041] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3040] <... write resumed>)        = 4
[pid  3039] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3038] <... futex resumed>)        = 0
[pid  3037] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3041] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3040] close(3 <unfinished ...>
[pid  3039] <... openat resumed>)       = 4
[pid  3038] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3042] <... openat resumed>)       = 3
[pid  3039] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3042] write(3, "1000", 4 <unfinished ...>
[pid  3041] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3040] <... close resumed>)        = 0
[pid  3039] <... futex resumed>)        = 1
[pid  3037] <... futex resumed>)        = 0
[pid  3042] <... write resumed>)        = 4
[pid  3041] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3040] write(1, "executing program\n", 18 <unfinished ...>
[pid  3039] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
executing program
[pid  3037] exit_group(0 <unfinished ...>
[pid  3042] close(3 <unfinished ...>
[pid  3041] <... futex resumed>)        = 1
[pid  3040] <... write resumed>)        = 18
[pid  3039] <... futex resumed>)        = ?
[pid  3038] <... futex resumed>)        = 0
executing program
[pid  3037] <... exit_group resumed>)   = ?
[pid  3042] <... close resumed>)        = 0
[pid  3041] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3040] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3039] +++ exited with 0 +++
[pid  3038] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3037] +++ exited with 0 +++
[pid  3042] write(1, "executing program\n", 18 <unfinished ...>
[pid  3041] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3040] <... futex resumed>)        = 0
[pid  3038] <... futex resumed>)        = 0
[pid  3042] <... write resumed>)        = 18
[pid  3041] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3040] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3038] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3042] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3041] <... openat resumed>)       = 3
[pid  3040] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3037, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3042] <... futex resumed>)        = 0
[pid  3041] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3040] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3042] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3041] <... futex resumed>)        = 1
[pid  3040] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3038] <... futex resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3042] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3041] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3038] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3042] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3041] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3040] <... mmap resumed>)         = 0x7fb4de009000
[pid  3042] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3041] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3040] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3038] <... futex resumed>)        = 0
[pid  3042] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3041] <... write resumed>)        = 2
[pid  3038] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3040] <... mprotect resumed>)     = 0
[pid  3042] <... mmap resumed>)         = 0x7fb4de009000
[pid  3041] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3042] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3041] <... futex resumed>)        = 1
[pid  3040] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3038] <... futex resumed>)        = 0
[pid  3042] <... mprotect resumed>)     = 0
[pid  3041] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3040] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3038] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3042] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3041] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3040] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3038] <... futex resumed>)        = 0
[pid  3042] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3041] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3043 attached
[pid  3042] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3041] <... openat resumed>)       = 4
[pid  3038] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3043] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3041] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 3044 attached
 <unfinished ...>
[pid  3043] <... set_robust_list resumed>) = 0
[pid  3040] <... clone3 resumed> => {parent_tid=[3043]}, 88) = 3043
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3044] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3043] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3042] <... clone3 resumed> => {parent_tid=[3044]}, 88) = 3044
[pid  3041] <... futex resumed>)        = 1
[pid  3040] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3038] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3044] <... set_robust_list resumed>) = 0
[pid  3043] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3042] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3041] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3040] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3044] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3043] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3042] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3040] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3038] exit_group(0 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3044] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3043] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3042] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3041] <... futex resumed>)        = ?
[pid  3040] <... futex resumed>)        = 0
[pid  3038] <... exit_group resumed>)   = ?
[pid  3044] mkdirat(AT_FDCWD, "./tracefs_dir", 0777ci2-android-6-12-rust/strace-static-x86_64: Process 3045 attached
 <unfinished ...>
[pid  3043] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3042] <... futex resumed>)        = 0
[pid  3040] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3044] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3044] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3044] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3045
[pid  3041] +++ exited with 0 +++
[pid  3038] +++ exited with 0 +++
[pid  3042] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3045] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3043] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3042] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3038, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3045] <... set_robust_list resumed>) = 0
[pid  3043] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3042] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3045] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3044] <... futex resumed>)        = 0
[pid  3043] <... futex resumed>)        = 1
[pid  3042] <... futex resumed>)        = 1
[pid  3040] <... futex resumed>)        = 0
[pid  3045] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3044] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3043] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3042] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3040] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3045] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3044] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3043] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3040] <... futex resumed>)        = 0
[pid  3045] <... prctl resumed>)        = 0
[pid  3043] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3040] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3045] setpgid(0, 0)               = 0
[pid  3044] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3043] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3044] <... futex resumed>)        = 1
[pid  3044] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3043] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3042] <... futex resumed>)        = 0
[pid  3042] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3043] <... futex resumed>)        = 1
[pid  3040] <... futex resumed>)        = 0
[pid  3044] <... futex resumed>)        = 0
[pid  3042] <... futex resumed>)        = 1
[pid  3045] <... openat resumed>)       = 3
executing program
[pid  3044] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3043] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3040] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3045] write(3, "1000", 4 <unfinished ...>
[pid  3044] <... openat resumed>)       = 3
[pid  3043] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3042] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3040] <... futex resumed>)        = 0
[pid  3045] <... write resumed>)        = 4
[pid  3043] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3045] close(3 <unfinished ...>
[pid  3040] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3043] <... openat resumed>)       = 3
[pid  3045] <... close resumed>)        = 0
[pid  3043] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3045] write(1, "executing program\n", 18 <unfinished ...>
[pid  3043] <... futex resumed>)        = 1
[pid  3040] <... futex resumed>)        = 0
[pid  3045] <... write resumed>)        = 18
[pid  3043] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3040] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3045] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3044] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3043] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3040] <... futex resumed>)        = 0
[pid  3045] <... futex resumed>)        = 0
[pid  3044] <... futex resumed>)        = 1
[pid  3042] <... futex resumed>)        = 0
[pid  3045] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3044] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3043] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3040] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3045] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3044] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3043] <... write resumed>)        = 2
[pid  3042] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3045] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3044] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3045] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3044] <... write resumed>)        = 2
[pid  3043] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3042] <... futex resumed>)        = 0
[pid  3045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3044] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3043] <... futex resumed>)        = 1
[pid  3042] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3040] <... futex resumed>)        = 0
[pid  3045] <... mmap resumed>)         = 0x7fb4de009000
[pid  3044] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  3045] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3044] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3043] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3042] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3040] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3045] <... mprotect resumed>)     = 0
[pid  3043] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3042] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3040] <... futex resumed>)        = 0
[pid  3045] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3044] <... futex resumed>)        = 0
[pid  3043] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3042] <... futex resumed>)        = 1
[pid  3040] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3045] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3044] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3043] <... openat resumed>)       = 4
[pid  3042] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3045] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3044] <... openat resumed>)       = 4
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 3046 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 3047 attached
 <unfinished ...>
[pid  3044] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3043] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3042] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3047] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3046] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3044] <... futex resumed>)        = 0
[pid  3043] <... futex resumed>)        = 1
[pid  3042] exit_group(0 <unfinished ...>
[pid  3040] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3047
[pid  3046] <... set_robust_list resumed>) = 0
[pid  3044] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3046] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3046] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3046] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3045] <... clone3 resumed> => {parent_tid=[3046]}, 88) = 3046
[pid  3045] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  3047] <... set_robust_list resumed>) = 0
[pid  3045] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3043] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3040] exit_group(0 <unfinished ...>
[pid  3047] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3046] <... futex resumed>)        = 0
[pid  3045] <... futex resumed>)        = 1
[pid  3044] <... futex resumed>)        = ?
[pid  3042] <... exit_group resumed>)   = ?
[pid  3043] <... futex resumed>)        = ?
[pid  3040] <... exit_group resumed>)   = ?
[pid  3047] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3046] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3045] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3044] +++ exited with 0 +++
[pid  3046] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3046] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3045] <... futex resumed>)        = 0
[pid  3046] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3045] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3046] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3045] <... futex resumed>)        = 0
[pid  3047] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3046] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3045] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3042] +++ exited with 0 +++
[pid  3043] +++ exited with 0 +++
[pid  3046] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3045] <... futex resumed>)        = 0
[pid  3046] <... futex resumed>)        = 1
[pid  3045] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3046] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3045] <... futex resumed>)        = 0
[pid  3046] <... openat resumed>)       = 3
[pid  3045] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3046] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3045] <... futex resumed>)        = 0
[pid  3040] +++ exited with 0 +++
[pid  3047] <... prctl resumed>)        = 0
[pid  3046] <... futex resumed>)        = 1
[pid  3045] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3047] setpgid(0, 0 <unfinished ...>
[pid  3046] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3045] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3040, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3042, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3047] <... setpgid resumed>)      = 0
[pid  3046] <... write resumed>)        = 2
[pid  3045] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3046] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3045] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3046] <... futex resumed>)        = 0
[pid  3046] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3045] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3046] <... openat resumed>)       = 4
[pid  3045] <... futex resumed>)        = 0
[pid  3045] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3046] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3045] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3046] <... futex resumed>)        = 1
[pid  3045] exit_group(0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3047] <... openat resumed>)       = 3
[pid  3046] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3046] <... futex resumed>)        = ?
[pid  3045] <... exit_group resumed>)   = ?
[pid  3047] write(3, "1000", 4 <unfinished ...>
[pid  3046] +++ exited with 0 +++
[pid  3045] +++ exited with 0 +++
[pid  3047] <... write resumed>)        = 4
ci2-android-6-12-rust/strace-static-x86_64: Process 3048 attached
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3045, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3048] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3048] <... set_robust_list resumed>) = 0
[pid  3048] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3047] close(3 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3048
[pid  3048] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3047] <... close resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3047] write(1, "executing program\n", 18 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3047] <... write resumed>)        = 18
executing program
[pid  3048] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3047] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3048] <... prctl resumed>)        = 0
[pid  3048] setpgid(0, 0 <unfinished ...>
[pid  3047] <... futex resumed>)        = 0
[pid  3048] <... setpgid resumed>)      = 0
[pid  3048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3047] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3048] <... openat resumed>)       = 3
[pid  3047] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3048] write(3, "1000", 4 <unfinished ...>
[pid  3047] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  3048] <... write resumed>)        = 4
[pid  3047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3048] close(3 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  3047] <... mmap resumed>)         = 0x7fb4de009000
[pid  3047] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3048] <... close resumed>)        = 0
[pid  3047] <... mprotect resumed>)     = 0
[pid  3048] write(1, "executing program\n", 18) = 18
executing program
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3048] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3048] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 3049 attached
 <unfinished ...>
[pid  3048] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3047] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 3050 attached
 <unfinished ...>
[pid  3049] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3048] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3047] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3048] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3047] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3050] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3049] <... set_robust_list resumed>) = 0
[pid  3048] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3051 attached
[pid  3049] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3047] <... clone3 resumed> => {parent_tid=[3051]}, 88) = 3051
[pid  3050] <... set_robust_list resumed>) = 0
[pid  3049] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3047] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3051] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3050] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3048] <... mmap resumed>)         = 0x7fb4de009000
[pid  3047] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3051] <... set_robust_list resumed>) = 0
[pid  3049] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3048] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3050
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3049
[pid  3051] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3050] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3049] <... prctl resumed>)        = 0
[pid  3048] <... mprotect resumed>)     = 0
[pid  3047] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3051] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3049] setpgid(0, 0 <unfinished ...>
[pid  3048] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3047] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3051] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3049] <... setpgid resumed>)      = 0
[pid  3048] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3051] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3050] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3048] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3047] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3051] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3050] <... prctl resumed>)        = 0
[pid  3049] <... openat resumed>)       = 3
[pid  3047] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 3052 attached
[pid  3051] <... futex resumed>)        = 0
[pid  3050] setpgid(0, 0 <unfinished ...>
[pid  3047] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3052] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3051] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3050] <... setpgid resumed>)      = 0
[pid  3049] write(3, "1000", 4 <unfinished ...>
[pid  3048] <... clone3 resumed> => {parent_tid=[3052]}, 88) = 3052
[pid  3047] <... futex resumed>)        = 0
[pid  3052] <... set_robust_list resumed>) = 0
[pid  3051] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3049] <... write resumed>)        = 4
[pid  3048] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3047] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3052] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3051] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3048] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3051] <... futex resumed>)        = 1
[pid  3048] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3047] <... futex resumed>)        = 0
[pid  3051] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3048] <... futex resumed>)        = 0
[pid  3047] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3051] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3048] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3047] <... futex resumed>)        = 0
[pid  3051] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3047] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3051] <... openat resumed>)       = 3
[pid  3051] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3047] <... futex resumed>)        = 0
[pid  3047] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3051] <... futex resumed>)        = 1
[pid  3047] <... futex resumed>)        = 0
[pid  3052] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3051] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3050] <... openat resumed>)       = 3
[pid  3049] close(3 <unfinished ...>
[pid  3047] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3052] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3051] <... write resumed>)        = 2
[pid  3050] write(3, "1000", 4 <unfinished ...>
[pid  3049] <... close resumed>)        = 0
[pid  3052] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3050] <... write resumed>)        = 4
[pid  3049] write(1, "executing program\n", 18 <unfinished ...>
[pid  3051] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  3052] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3051] <... futex resumed>)        = 1
[pid  3050] close(3 <unfinished ...>
[pid  3049] <... write resumed>)        = 18
[pid  3047] <... futex resumed>)        = 0
[pid  3052] <... futex resumed>)        = 1
[pid  3051] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3050] <... close resumed>)        = 0
[pid  3049] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3048] <... futex resumed>)        = 0
[pid  3047] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3052] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3051] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3050] write(1, "executing program\n", 18 <unfinished ...>
[pid  3049] <... futex resumed>)        = 0
executing program
[pid  3048] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3047] <... futex resumed>)        = 0
[pid  3052] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3051] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3050] <... write resumed>)        = 18
[pid  3049] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3048] <... futex resumed>)        = 0
[pid  3047] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3052] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3051] <... openat resumed>)       = 4
[pid  3050] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3049] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3048] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3051] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3052] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3049] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3050] <... futex resumed>)        = 0
[pid  3052] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3049] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3050] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3049] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3050] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3051] <... futex resumed>)        = 1
[pid  3047] <... futex resumed>)        = 0
[pid  3051] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3050] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3049] <... mmap resumed>)         = 0x7fb4de009000
[pid  3047] exit_group(0 <unfinished ...>
[pid  3052] <... futex resumed>)        = 1
[pid  3051] <... futex resumed>)        = ?
[pid  3050] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3049] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3048] <... futex resumed>)        = 0
[pid  3047] <... exit_group resumed>)   = ?
[pid  3052] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3051] +++ exited with 0 +++
[pid  3050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3049] <... mprotect resumed>)     = 0
[pid  3048] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3047] +++ exited with 0 +++
[pid  3052] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3050] <... mmap resumed>)         = 0x7fb4de009000
[pid  3050] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3048] <... futex resumed>)        = 0
[pid  3048] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3047, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3052] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3049] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3050] <... mprotect resumed>)     = 0
[pid  3052] <... openat resumed>)       = 3
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3050] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3049] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3052] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3048] <... futex resumed>)        = 0
[pid  3049] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3052] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3050] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3048] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3048] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 3053 attached
 <unfinished ...>
[pid  3052] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3050] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  3053] set_robust_list(0x7fb4de0299a0, 24ci2-android-6-12-rust/strace-static-x86_64: Process 3054 attached
 <unfinished ...>
[pid  3052] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3049] <... clone3 resumed> => {parent_tid=[3053]}, 88) = 3053
[pid  3054] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3052] <... write resumed>)        = 2
[pid  3050] <... clone3 resumed> => {parent_tid=[3054]}, 88) = 3054
[pid  3049] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3054] <... set_robust_list resumed>) = 0
[pid  3052] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3050] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3054] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3052] <... futex resumed>)        = 1
[pid  3049] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3050] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3054] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3052] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3050] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3049] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3054] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3050] <... futex resumed>)        = 0
[pid  3049] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3054] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3050] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3054] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3049] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3050] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3054] <... futex resumed>)        = 0
[pid  3053] <... set_robust_list resumed>) = 0
[pid  3048] <... futex resumed>)        = 0
[pid  3053] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3048] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 3055 attached
 <unfinished ...>
[pid  3054] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3053] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3050] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3054] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3053] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3050] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3055
[pid  3055] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3054] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3053] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3052] <... futex resumed>)        = 0
[pid  3048] <... futex resumed>)        = 1
[pid  3055] <... set_robust_list resumed>) = 0
[pid  3054] <... futex resumed>)        = 0
[pid  3053] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3052] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3050] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3048] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3055] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3054] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3053] <... futex resumed>)        = 1
[pid  3055] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3053] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3052] <... openat resumed>)       = 4
[pid  3050] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3049] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3052] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3055] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3050] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3049] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3054] <... futex resumed>)        = 0
[pid  3050] <... futex resumed>)        = 1
[pid  3049] <... futex resumed>)        = 1
[pid  3055] <... prctl resumed>)        = 0
[pid  3054] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3053] <... futex resumed>)        = 0
[pid  3055] setpgid(0, 0 <unfinished ...>
[pid  3050] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3049] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3055] <... setpgid resumed>)      = 0
[pid  3054] <... openat resumed>)       = 3
[pid  3053] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3052] <... futex resumed>)        = 1
[pid  3048] <... futex resumed>)        = 0
[pid  3053] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3052] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3048] exit_group(0 <unfinished ...>
[pid  3055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3054] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3053] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3052] <... futex resumed>)        = ?
[pid  3049] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3048] <... exit_group resumed>)   = ?
[pid  3055] <... openat resumed>)       = 3
[pid  3054] <... futex resumed>)        = 1
[pid  3053] <... futex resumed>)        = 0
[pid  3052] +++ exited with 0 +++
[pid  3050] <... futex resumed>)        = 0
[pid  3049] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3048] +++ exited with 0 +++
[pid  3055] write(3, "1000", 4 <unfinished ...>
[pid  3054] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3053] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3050] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3049] <... futex resumed>)        = 0
[pid  3055] <... write resumed>)        = 4
[pid  3054] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3053] <... openat resumed>)       = 3
[pid  3050] <... futex resumed>)        = 0
[pid  3049] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3055] close(3 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3048, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3055] <... close resumed>)        = 0
[pid  3054] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3053] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3050] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3055] write(1, "executing program\n", 18 <unfinished ...>
[pid  3054] <... write resumed>)        = 2
[pid  3053] <... futex resumed>)        = 1
[pid  3049] <... futex resumed>)        = 0
[pid  3055] <... write resumed>)        = 18
[pid  3054] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3053] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3055] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3049] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3055] <... futex resumed>)        = 0
executing program
[pid  3054] <... futex resumed>)        = 1
[pid  3053] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3050] <... futex resumed>)        = 0
[pid  3049] <... futex resumed>)        = 0
[pid  3054] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3055] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3054] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3053] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3050] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3049] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3055] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3054] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3053] <... write resumed>)        = 2
[pid  3050] <... futex resumed>)        = 0
[pid  3055] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3053] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3050] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3053] <... futex resumed>)        = 1
[pid  3049] <... futex resumed>)        = 0
[pid  3055] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3054] <... openat resumed>)       = 4
[pid  3055] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3054] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3053] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3049] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3054] <... futex resumed>)        = 1
[pid  3050] <... futex resumed>)        = 0
[pid  3054] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3050] exit_group(0 <unfinished ...>
[pid  3049] <... futex resumed>)        = 0
[pid  3055] <... mmap resumed>)         = 0x7fb4de009000
[pid  3054] <... futex resumed>)        = ?
[pid  3053] <... openat resumed>)       = 4
[pid  3049] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3050] <... exit_group resumed>)   = ?
[pid  3055] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3054] +++ exited with 0 +++
[pid   314] <... restart_syscall resumed>) = 0
[pid  3055] <... mprotect resumed>)     = 0
[pid  3053] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3049] <... futex resumed>)        = 0
[pid  3049] exit_group(0 <unfinished ...>
[pid  3053] <... futex resumed>)        = ? <unavailable>
[pid  3049] <... exit_group resumed>)   = ?
[pid  3055] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  3055] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3050] +++ exited with 0 +++
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 3056 attached
 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3050, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3055] <... clone3 resumed> => {parent_tid=[3056]}, 88) = 3056
[pid  3053] +++ exited with 0 +++
[pid  3056] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3049] +++ exited with 0 +++
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3056] <... set_robust_list resumed>) = 0
[pid  3055] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3056] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3055] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3055] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3055] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3049, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3056] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3056] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  3056] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3055] <... futex resumed>)        = 0
[pid  3055] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3055] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3056] <... futex resumed>)        = 1
ci2-android-6-12-rust/strace-static-x86_64: Process 3057 attached
[pid  3056] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  3057] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3056] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3055] <... futex resumed>)        = 0
[pid  3055] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3056] <... futex resumed>)        = 1
[pid  3056] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3055] <... futex resumed>)        = 0
[pid  3056] <... openat resumed>)       = 3
[pid  3055] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3056] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3056] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3055] <... futex resumed>)        = 0
[pid  3057] <... set_robust_list resumed>) = 0
[pid  3055] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  3056] <... futex resumed>)        = 0
[pid  3055] <... futex resumed>)        = 1
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3057
[pid  3057] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3056] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3055] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3057] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3056] <... write resumed>)        = 2
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3056] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3057] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3057] <... prctl resumed>)        = 0
[pid  3056] <... futex resumed>)        = 1
[pid  3055] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3057] setpgid(0, 0 <unfinished ...>
[pid  3056] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3055] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 3058 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 3059 attached
 <unfinished ...>
[pid  3057] <... setpgid resumed>)      = 0
[pid  3056] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3055] <... futex resumed>)        = 0
[pid  3056] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3055] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3058] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3056] <... openat resumed>)       = 4
[pid  3059] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3058
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3057] <... openat resumed>)       = 3
[pid  3059] <... set_robust_list resumed>) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3059
[pid  3058] <... set_robust_list resumed>) = 0
[pid  3058] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3059] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3056] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3059] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3058] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3057] write(3, "1000", 4 <unfinished ...>
[pid  3056] <... futex resumed>)        = 1
[pid  3055] <... futex resumed>)        = 0
[pid  3059] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3056] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3055] exit_group(0 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3059] <... prctl resumed>)        = 0
[pid  3058] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3057] <... write resumed>)        = 4
[pid  3056] <... futex resumed>)        = ?
[pid  3055] <... exit_group resumed>)   = ?
[pid  3059] setpgid(0, 0 <unfinished ...>
[pid  3058] <... prctl resumed>)        = 0
[pid  3057] close(3 <unfinished ...>
[pid  3056] +++ exited with 0 +++
[pid  3055] +++ exited with 0 +++
[pid  3059] <... setpgid resumed>)      = 0
[pid  3058] setpgid(0, 0 <unfinished ...>
[pid  3057] <... close resumed>)        = 0
[pid  3059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3058] <... setpgid resumed>)      = 0
[pid  3057] write(1, "executing program\n", 18 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3055, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3059] <... openat resumed>)       = 3
[pid  3057] <... write resumed>)        = 18
executing program
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3059] write(3, "1000", 4 <unfinished ...>
[pid  3057] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3059] <... write resumed>)        = 4
[pid  3057] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3059] close(3 <unfinished ...>
[pid  3057] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3059] <... close resumed>)        = 0
[pid  3057] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3059] write(1, "executing program\n", 18 <unfinished ...>
[pid  3057] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3059] <... write resumed>)        = 18
executing program
[pid  3057] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3059] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3057] <... mmap resumed>)         = 0x7fb4de009000
[pid  3058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3059] <... futex resumed>)        = 0
[pid  3058] <... openat resumed>)       = 3
[pid  3057] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3059] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3058] write(3, "1000", 4 <unfinished ...>
[pid  3057] <... mprotect resumed>)     = 0
[pid  3059] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3058] <... write resumed>)        = 4
[pid  3058] close(3)                    = 0
[pid  3057] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3059] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3058] write(1, "executing program\n", 18) = 18
[pid  3058] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3059] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3057] <... rt_sigprocmask resumed>, [], 8) = 0
executing program
[pid  3059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3057] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3059] <... mmap resumed>)         = 0x7fb4de009000
[pid  3058] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3060 attached
[pid  3059] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3058] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3060] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3059] <... mprotect resumed>)     = 0
[pid  3058] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3060] <... set_robust_list resumed>) = 0
[pid  3058] <... mmap resumed>)         = 0x7fb4de009000
[pid  3060] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3059] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3058] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3057] <... clone3 resumed> => {parent_tid=[3060]}, 88) = 3060
[pid  3060] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3059] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3058] <... mprotect resumed>)     = 0
[pid  3057] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3060] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3059] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3057] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3058] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3057] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3058] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3058] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 3061 attached
 <unfinished ...>
[pid  3061] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3058] <... clone3 resumed> => {parent_tid=[3061]}, 88) = 3061
[pid  3061] <... set_robust_list resumed>) = 0
[pid  3058] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3061] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3058] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3061] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3058] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3061] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3058] <... futex resumed>)        = 0
[pid  3061] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3058] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3061] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3058] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3061] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3058] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3061] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3061] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3058] <... futex resumed>)        = 0
[pid  3061] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3058] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 3062 attached
 <unfinished ...>
[pid  3057] <... futex resumed>)        = 1
[pid  3059] <... clone3 resumed> => {parent_tid=[3062]}, 88) = 3062
[pid  3062] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3059] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3057] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3062] <... set_robust_list resumed>) = 0
[pid  3059] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3062] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3059] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3062] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3059] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  3059] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3061] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3060] <... futex resumed>)        = 0
[pid  3062] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3061] <... futex resumed>)        = 1
[pid  3060] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3058] <... futex resumed>)        = 0
[pid  3061] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3060] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3058] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3062] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3061] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3060] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3058] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3062] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3061] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3060] <... futex resumed>)        = 1
[pid  3058] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3057] <... futex resumed>)        = 0
[pid  3062] <... futex resumed>)        = 1
[pid  3061] <... openat resumed>)       = 3
[pid  3060] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3059] <... futex resumed>)        = 0
[pid  3057] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3062] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3061] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3060] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3057] <... futex resumed>)        = 0
[pid  3061] <... futex resumed>)        = 1
[pid  3060] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3058] <... futex resumed>)        = 0
[pid  3061] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3060] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3058] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3061] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3058] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3063 attached
[pid  3062] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3061] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3059] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3058] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3057] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3063] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3062] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3061] <... write resumed>)        = 2
[pid  3060] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3059] <... futex resumed>)        = 0
[pid  3063] <... set_robust_list resumed>) = 0
[pid  3062] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3061] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3060] <... futex resumed>)        = 0
[pid  3057] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3059] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3063] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3062] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3061] <... futex resumed>)        = 1
[pid  3060] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3058] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3063
[pid  3063] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3062] <... futex resumed>)        = 0
[pid  3061] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3060] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3059] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3058] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3057] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3063] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3062] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3061] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3060] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3059] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3058] <... futex resumed>)        = 0
[pid  3057] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3063] <... prctl resumed>)        = 0
[pid  3062] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3061] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3060] <... openat resumed>)       = 3
[pid  3059] <... futex resumed>)        = 0
[pid  3058] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3057] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3063] setpgid(0, 0 <unfinished ...>
[pid  3062] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3061] <... openat resumed>)       = 4
[pid  3060] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3063] <... setpgid resumed>)      = 0
[pid  3062] <... openat resumed>)       = 3
[pid  3061] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3060] <... futex resumed>)        = 0
[pid  3059] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3057] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3062] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3061] <... futex resumed>)        = 1
[pid  3060] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3059] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3058] <... futex resumed>)        = 0
[pid  3057] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3063] <... openat resumed>)       = 3
[pid  3062] <... futex resumed>)        = 0
[pid  3061] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3060] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3058] exit_group(0 <unfinished ...>
[pid  3057] <... futex resumed>)        = 0
[pid  3062] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3059] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3058] <... exit_group resumed>)   = ?
[pid  3057] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3063] write(3, "1000", 4 <unfinished ...>
[pid  3062] <... write resumed>)        = 2
[pid  3061] <... futex resumed>)        = ?
[pid  3060] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3059] <... futex resumed>)        = 0
[pid  3063] <... write resumed>)        = 4
[pid  3062] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3061] +++ exited with 0 +++
[pid  3060] <... write resumed>)        = 2
[pid  3059] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3058] +++ exited with 0 +++
[pid  3063] close(3 <unfinished ...>
[pid  3062] <... futex resumed>)        = 0
[pid  3060] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3059] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3063] <... close resumed>)        = 0
[pid  3062] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3060] <... futex resumed>)        = 1
[pid  3059] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3057] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3058, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3063] write(1, "executing program\n", 18 <unfinished ...>
[pid  3062] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3060] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3059] <... futex resumed>)        = 0
executing program
[pid  3063] <... write resumed>)        = 18
[pid  3062] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3059] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3057] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3063] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3063] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3062] <... openat resumed>)       = 4
[pid  3063] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3060] <... futex resumed>)        = 0
[pid  3062] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3057] <... futex resumed>)        = 1
[pid  3063] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3060] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3063] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3062] <... futex resumed>)        = 1
[pid  3060] <... openat resumed>)       = 4
[pid  3059] <... futex resumed>)        = 0
[pid  3057] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3062] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3060] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3063] <... mmap resumed>)         = 0x7fb4de009000
[pid  3060] <... futex resumed>)        = 0
[pid  3059] exit_group(0 <unfinished ...>
[pid  3057] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3063] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3062] <... futex resumed>)        = ?
[pid  3060] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3063] <... mprotect resumed>)     = 0
[pid  3057] exit_group(0 <unfinished ...>
[pid  3062] +++ exited with 0 +++
[pid  3059] <... exit_group resumed>)   = ?
[pid  3057] <... exit_group resumed>)   = ?
[pid  3063] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3060] <... futex resumed>)        = ?
[pid  3063] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3060] +++ exited with 0 +++
[pid  3059] +++ exited with 0 +++
[pid  3057] +++ exited with 0 +++
[pid  3063] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 3064 attached
 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3057, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3059, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3064] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  3063] <... clone3 resumed> => {parent_tid=[3064]}, 88) = 3064
[pid  3064] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3063] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3064] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3063] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3064] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3063] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3064] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3063] <... futex resumed>)        = 0
[pid  3064] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3063] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3064] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3064] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3063] <... futex resumed>)        = 0
[pid  3064] <... futex resumed>)        = 1
[pid  3063] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3064] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3063] <... futex resumed>)        = 0
[pid  3064] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3063] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3064] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3063] <... futex resumed>)        = 0
[pid  3063] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3064] <... futex resumed>)        = 1
[pid  3064] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3063] <... futex resumed>)        = 0
[pid  3064] <... openat resumed>)       = 3
[pid  3063] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  3064] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3063] <... futex resumed>)        = 0
[pid  3064] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3063] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3064] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3064] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3063] <... futex resumed>)        = 0
[pid  3064] <... write resumed>)        = 2
[pid  3063] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3064] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3063] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3064] <... futex resumed>)        = 0
[pid  3063] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3064] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3063] <... futex resumed>)        = 0
[pid  3064] <... openat resumed>)       = 4
[pid  3063] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3064] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3063] <... futex resumed>)        = 0
[pid  3063] exit_group(0 <unfinished ...>
[pid  3064] <... futex resumed>)        = 1
[pid  3063] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 3065 attached
[pid  3064] +++ exited with 0 +++
[pid  3063] +++ exited with 0 +++
[pid   315] <... restart_syscall resumed>) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3065
[pid  3065] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3063, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3065] <... set_robust_list resumed>) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid  3065] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  3065] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3065] <... prctl resumed>)        = 0
[pid  3065] setpgid(0, 0)               = 0
[pid  3065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 3066 attached
 <unfinished ...>
[pid  3065] <... openat resumed>)       = 3
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3066
[pid  3066] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3065] write(3, "1000", 4 <unfinished ...>
[pid  3066] <... set_robust_list resumed>) = 0
[pid  3065] <... write resumed>)        = 4
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3066] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3065] close(3 <unfinished ...>
[pid  3066] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3065] <... close resumed>)        = 0
[pid  3066] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3065] write(1, "executing program\n", 18 <unfinished ...>
[pid  3066] <... prctl resumed>)        = 0
[pid  3065] <... write resumed>)        = 18
[pid  3066] setpgid(0, 0 <unfinished ...>
[pid  3065] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 3067 attached
 <unfinished ...>
[pid  3066] <... setpgid resumed>)      = 0
[pid  3065] <... futex resumed>)        = 0
[pid  3067] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3065] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
ci2-android-6-12-rust/strace-static-x86_64: Process 3068 attached
[pid  3067] <... set_robust_list resumed>) = 0
[pid  3066] <... openat resumed>)       = 3
[pid  3065] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3068] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3067] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3065] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3068] <... set_robust_list resumed>) = 0
[pid  3067] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3066] write(3, "1000", 4 <unfinished ...>
[pid  3065] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3068
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3067
[pid  3068] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3067] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3066] <... write resumed>)        = 4
[pid  3065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3068] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3066] close(3 <unfinished ...>
[pid  3065] <... mmap resumed>)         = 0x7fb4de009000
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3068] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3067] <... prctl resumed>)        = 0
[pid  3066] <... close resumed>)        = 0
[pid  3065] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3068] <... prctl resumed>)        = 0
[pid  3067] setpgid(0, 0 <unfinished ...>
[pid  3066] write(1, "executing program\n", 18 <unfinished ...>
[pid  3065] <... mprotect resumed>)     = 0
executing program
[pid  3068] setpgid(0, 0 <unfinished ...>
[pid  3067] <... setpgid resumed>)      = 0
[pid  3066] <... write resumed>)        = 18
[pid  3065] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3068] <... setpgid resumed>)      = 0
[pid  3067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3066] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3067] <... openat resumed>)       = 3
[pid  3066] <... futex resumed>)        = 0
[pid  3065] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3068] <... openat resumed>)       = 3
[pid  3066] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3068] write(3, "1000", 4 <unfinished ...>
[pid  3067] write(3, "1000", 4 <unfinished ...>
[pid  3066] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3068] <... write resumed>)        = 4
[pid  3067] <... write resumed>)        = 4
[pid  3066] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3068] close(3 <unfinished ...>
[pid  3067] close(3 <unfinished ...>
[pid  3066] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3065] <... clone3 resumed> => {parent_tid=[3069]}, 88) = 3069
[pid  3068] <... close resumed>)        = 0
[pid  3067] <... close resumed>)        = 0
[pid  3066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3065] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3068] write(1, "executing program\n", 18 <unfinished ...>
executing program
executing program
[pid  3067] write(1, "executing program\n", 18 <unfinished ...>
[pid  3066] <... mmap resumed>)         = 0x7fb4de009000
[pid  3065] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3068] <... write resumed>)        = 18
[pid  3067] <... write resumed>)        = 18
[pid  3068] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3067] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3066] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3065] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3068] <... futex resumed>)        = 0
[pid  3067] <... futex resumed>)        = 0
[pid  3066] <... mprotect resumed>)     = 0
[pid  3065] <... futex resumed>)        = 0
[pid  3068] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3067] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}ci2-android-6-12-rust/strace-static-x86_64: Process 3069 attached
 <unfinished ...>
[pid  3068] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3067] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3066] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3065] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3068] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3067] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3069] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  3068] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3067] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3066] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3069] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3066] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 3070 attached
 <unfinished ...>
[pid  3069] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3068] <... mmap resumed>)         = 0x7fb4de009000
[pid  3067] <... mmap resumed>)         = 0x7fb4de009000
[pid  3067] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3069] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3068] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3067] <... mprotect resumed>)     = 0
[pid  3066] <... clone3 resumed> => {parent_tid=[3070]}, 88) = 3070
[pid  3070] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3069] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3068] <... mprotect resumed>)     = 0
[pid  3066] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3070] <... set_robust_list resumed>) = 0
[pid  3069] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3068] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3067] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3070] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3069] <... futex resumed>)        = 1
[pid  3069] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3070] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3068] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3067] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3066] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3065] <... futex resumed>)        = 0
[pid  3068] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3067] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3066] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3065] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 3072 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 3071 attached
 <unfinished ...>
[pid  3070] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3069] <... futex resumed>)        = 0
[pid  3066] <... futex resumed>)        = 0
[pid  3065] <... futex resumed>)        = 1
[pid  3072] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3071] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3069] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3067] <... clone3 resumed> => {parent_tid=[3072]}, 88) = 3072
[pid  3066] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3065] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3072] <... set_robust_list resumed>) = 0
[pid  3069] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3068] <... clone3 resumed> => {parent_tid=[3071]}, 88) = 3071
[pid  3067] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3070] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3072] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3071] <... set_robust_list resumed>) = 0
[pid  3069] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3068] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3067] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3072] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3071] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3070] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3069] <... futex resumed>)        = 1
[pid  3068] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3067] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3065] <... futex resumed>)        = 0
[pid  3071] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3069] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3068] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3067] <... futex resumed>)        = 0
[pid  3066] <... futex resumed>)        = 0
[pid  3065] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3072] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3071] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3070] <... futex resumed>)        = 1
[pid  3069] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3068] <... futex resumed>)        = 0
[pid  3067] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3066] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3065] <... futex resumed>)        = 0
[pid  3072] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3071] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3070] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3069] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3068] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3066] <... futex resumed>)        = 0
[pid  3065] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3072] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3071] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3069] <... openat resumed>)       = 3
[pid  3066] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3069] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3065] <... futex resumed>)        = 0
[pid  3072] <... futex resumed>)        = 1
[pid  3071] <... futex resumed>)        = 1
[pid  3070] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3069] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3068] <... futex resumed>)        = 0
[pid  3067] <... futex resumed>)        = 0
[pid  3072] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3071] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3068] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3067] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3065] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3071] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3070] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3072] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3069] <... futex resumed>)        = 0
[pid  3068] <... futex resumed>)        = 0
[pid  3067] <... futex resumed>)        = 0
[pid  3065] <... futex resumed>)        = 1
[pid  3072] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3071] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3070] <... futex resumed>)        = 1
[pid  3069] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3068] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3067] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3066] <... futex resumed>)        = 0
[pid  3065] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3066] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3070] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3069] <... write resumed>)        = 2
[pid  3066] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3072] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3071] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3070] <... openat resumed>)       = 3
[pid  3069] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3072] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3071] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3070] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3069] <... futex resumed>)        = 1
[pid  3065] <... futex resumed>)        = 0
[pid  3072] <... futex resumed>)        = 1
[pid  3067] <... futex resumed>)        = 0
[pid  3065] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3072] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3067] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3065] <... futex resumed>)        = 0
[pid  3072] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3067] <... futex resumed>)        = 0
[pid  3065] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3072] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3067] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3072] <... openat resumed>)       = 3
[pid  3072] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3067] <... futex resumed>)        = 0
[pid  3072] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3067] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3072] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3067] <... futex resumed>)        = 0
[pid  3072] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3067] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3072] <... write resumed>)        = 2
[pid  3072] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3072] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3067] <... futex resumed>)        = 0
[pid  3067] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3072] <... futex resumed>)        = 0
[pid  3067] <... futex resumed>)        = 1
[pid  3072] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3067] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3072] <... openat resumed>)       = 4
[pid  3071] <... futex resumed>)        = 1
[pid  3070] <... futex resumed>)        = 1
[pid  3069] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3071] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3070] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3072] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3068] <... futex resumed>)        = 0
[pid  3066] <... futex resumed>)        = 0
[pid  3072] <... futex resumed>)        = 1
[pid  3069] <... openat resumed>)       = 4
[pid  3068] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3067] <... futex resumed>)        = 0
[pid  3066] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3072] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3071] <... futex resumed>)        = 0
[pid  3070] <... futex resumed>)        = 0
[pid  3069] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3068] <... futex resumed>)        = 1
[pid  3067] exit_group(0 <unfinished ...>
[pid  3066] <... futex resumed>)        = 1
[pid  3072] <... futex resumed>)        = ?
[pid  3071] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3070] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3069] <... futex resumed>)        = 1
[pid  3068] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3067] <... exit_group resumed>)   = ?
[pid  3066] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3065] <... futex resumed>)        = 0
[pid  3072] +++ exited with 0 +++
[pid  3071] <... openat resumed>)       = 3
[pid  3070] <... write resumed>)        = 2
[pid  3069] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3067] +++ exited with 0 +++
[pid  3065] exit_group(0 <unfinished ...>
[pid  3071] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3070] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3071] <... futex resumed>)        = 1
[pid  3069] <... futex resumed>)        = ?
[pid  3070] <... futex resumed>)        = 1
[pid  3068] <... futex resumed>)        = 0
[pid  3066] <... futex resumed>)        = 0
[pid  3065] <... exit_group resumed>)   = ?
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3067, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3071] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3070] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3069] +++ exited with 0 +++
[pid  3068] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3066] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3071] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3070] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3068] <... futex resumed>)        = 0
[pid  3066] <... futex resumed>)        = 0
[pid  3065] +++ exited with 0 +++
[pid  3071] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3070] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3068] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3066] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3071] <... write resumed>)        = 2
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3065, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3071] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3070] <... openat resumed>)       = 4
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3071] <... futex resumed>)        = 1
[pid  3070] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3068] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  3071] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3068] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3071] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3070] <... futex resumed>)        = 1
[pid  3068] <... futex resumed>)        = 0
[pid  3066] <... futex resumed>)        = 0
[pid  3071] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3070] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3068] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3066] exit_group(0 <unfinished ...>
[pid  3071] <... openat resumed>)       = 4
[pid  3066] <... exit_group resumed>)   = ?
[pid  3070] <... futex resumed>)        = ?
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3071] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3068] <... futex resumed>)        = 0
[pid  3071] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3068] exit_group(0 <unfinished ...>
[pid  3071] <... futex resumed>)        = ?
[pid  3068] <... exit_group resumed>)   = ?
[pid  3071] +++ exited with 0 +++
[pid  3070] +++ exited with 0 +++
[pid  3068] +++ exited with 0 +++
[pid  3066] +++ exited with 0 +++
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3068, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3066, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 3074 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 3073 attached
 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3073] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3074] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3073] <... set_robust_list resumed>) = 0
[pid  3073] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3074
[pid  3074] <... set_robust_list resumed>) = 0
[pid  3073] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3073] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3074] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3073
[pid  3074] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3073] <... prctl resumed>)        = 0
[pid  3074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3073] setpgid(0, 0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3074] setpgid(0, 0 <unfinished ...>
[pid  3073] <... setpgid resumed>)      = 0
[pid  3074] <... setpgid resumed>)      = 0
[pid  3073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3073] <... openat resumed>)       = 3
[pid  3073] write(3, "1000", 4)         = 4
[pid  3073] close(3)                    = 0
[pid  3073] write(1, "executing program\n", 18) = 18
executing program
[pid  3073] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3073] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  3073] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  3073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  3073] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3074] write(3, "1000", 4)         = 4
[pid  3074] close(3 <unfinished ...>
[pid  3073] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3074] <... close resumed>)        = 0
[pid  3074] write(1, "executing program\n", 18 <unfinished ...>
[pid  3073] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3074] <... write resumed>)        = 18
[pid  3073] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
executing program
[pid  3074] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3073] <... clone3 resumed> => {parent_tid=[3075]}, 88) = 3075
ci2-android-6-12-rust/strace-static-x86_64: Process 3075 attached
[pid  3074] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3073] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3074] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3073] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3074] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3075] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3073] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3075] <... set_robust_list resumed>) = 0
[pid  3074] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3073] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3075] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3075] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3075] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3074] <... mmap resumed>)         = 0x7fb4de009000
[pid  3075] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3074] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3075] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3073] <... futex resumed>)        = 0
[pid  3075] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3073] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3075] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3075] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3073] <... futex resumed>)        = 0
[pid  3075] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3073] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3075] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3073] <... futex resumed>)        = 0
[pid  3075] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3073] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3075] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3073] <... futex resumed>)        = 0
[pid  3075] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3073] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3075] <... openat resumed>)       = 3
[pid  3075] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3073] <... futex resumed>)        = 0
[pid  3075] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3073] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3075] <... write resumed>)        = 2
[pid  3073] <... futex resumed>)        = 0
[pid  3075] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3073] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3075] <... futex resumed>)        = 0
[pid  3075] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3073] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3073] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3075] <... futex resumed>)        = 0
[pid  3074] <... mprotect resumed>)     = 0
[pid  3073] <... futex resumed>)        = 1
[pid  3075] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3074] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  3073] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3074] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 3076 attached
 <unfinished ...>
[pid  3075] <... openat resumed>)       = 4
[pid  3075] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3076] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3074] <... clone3 resumed> => {parent_tid=[3076]}, 88) = 3076
[pid  3076] <... set_robust_list resumed>) = 0
[pid  3074] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3076] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3074] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3076] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3074] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3076] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3075] <... futex resumed>)        = 1
[pid  3074] <... futex resumed>)        = 0
[pid  3073] <... futex resumed>)        = 0
[pid  3075] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3076] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3076] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3076] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3074] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3074] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3076] <... futex resumed>)        = 0
[pid  3074] <... futex resumed>)        = 1
[pid  3076] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3074] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3076] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3076] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3074] <... futex resumed>)        = 0
[pid  3074] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3076] <... futex resumed>)        = 1
[pid  3074] <... futex resumed>)        = 0
[pid  3076] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3074] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3076] <... openat resumed>)       = 3
[pid  3076] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  3073] exit_group(0 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  3076] <... futex resumed>)        = 1
[pid  3075] <... futex resumed>)        = ?
[pid  3074] <... futex resumed>)        = 0
[pid  3073] <... exit_group resumed>)   = ?
[pid  3076] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3075] +++ exited with 0 +++
[pid  3074] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3073] +++ exited with 0 +++
[pid  3076] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3074] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3076] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3074] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3073, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3076] <... write resumed>)        = 2
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3076] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3076] <... futex resumed>)        = 1
[pid  3074] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3077 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 3078 attached
[pid  3076] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3074] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3076] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3074] <... futex resumed>)        = 0
[pid  3076] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid  3074] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3077
[pid   315] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 3079 attached
 <unfinished ...>
[pid  3077] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3076] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3078
[pid  3074] <... futex resumed>)        = 0
[pid  3079] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3077] <... set_robust_list resumed>) = 0
[pid  3078] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3076] <... futex resumed>)        = 1
[pid  3074] exit_group(0 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3079] <... set_robust_list resumed>) = 0
[pid  3077] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3078] <... set_robust_list resumed>) = 0
[pid  3076] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3077] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3079
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3078] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  3079] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3077] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3076] <... futex resumed>)        = ?
[pid  3074] <... exit_group resumed>)   = ?
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3079] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3077] <... prctl resumed>)        = 0
[pid  3078] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3076] +++ exited with 0 +++
[pid  3074] +++ exited with 0 +++
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3079] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3077] setpgid(0, 0 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3074, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3079] <... prctl resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3079] setpgid(0, 0 <unfinished ...>
[pid  3077] <... setpgid resumed>)      = 0
[pid  3078] <... prctl resumed>)        = 0
[pid  3079] <... setpgid resumed>)      = 0
[pid  3079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3078] setpgid(0, 0)               = 0
[pid  3078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3079] <... openat resumed>)       = 3
[pid  3079] write(3, "1000", 4 <unfinished ...>
[pid  3077] <... openat resumed>)       = 3
[pid  3079] <... write resumed>)        = 4
[pid  3078] <... openat resumed>)       = 3
[pid  3079] close(3)                    = 0
[pid  3079] write(1, "executing program\n", 18) = 18
executing program
[pid  3079] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3079] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  3079] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  3079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  3077] write(3, "1000", 4 <unfinished ...>
[pid  3078] write(3, "1000", 4 <unfinished ...>
[pid  3077] <... write resumed>)        = 4
[pid  3078] <... write resumed>)        = 4
[pid  3077] close(3 <unfinished ...>
[pid  3078] close(3 <unfinished ...>
[pid  3079] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3078] <... close resumed>)        = 0
[pid  3079] <... mprotect resumed>)     = 0
[pid  3077] <... close resumed>)        = 0
[pid  3078] write(1, "executing program\n", 18 <unfinished ...>
[pid  3079] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3077] write(1, "executing program\n", 18 <unfinished ...>
[pid  3078] <... write resumed>)        = 18
[pid  3079] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3077] <... write resumed>)        = 18
[pid  3078] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
executing program
[pid  3079] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3078] <... futex resumed>)        = 0
[pid  3077] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3078] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}ci2-android-6-12-rust/strace-static-x86_64: Process 3080 attached
 <unfinished ...>
[pid  3077] <... futex resumed>)        = 0
[pid  3078] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3077] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3078] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3080] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3079] <... clone3 resumed> => {parent_tid=[3080]}, 88) = 3080
[pid  3078] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3080] <... set_robust_list resumed>) = 0
[pid  3079] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3080] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3079] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3077] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3080] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3079] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3077] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3080] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3079] <... futex resumed>)        = 0
[pid  3077] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3080] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3079] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3078] <... mmap resumed>)         = 0x7fb4de009000
[pid  3080] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3079] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3080] <... futex resumed>)        = 0
[pid  3079] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3077] <... mmap resumed>)         = 0x7fb4de009000
[pid  3078] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3080] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3079] <... futex resumed>)        = 0
[pid  3077] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3080] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3079] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3078] <... mprotect resumed>)     = 0
[pid  3080] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3079] <... futex resumed>)        = 0
[pid  3080] <... futex resumed>)        = 1
[pid  3079] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3080] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3079] <... futex resumed>)        = 0
[pid  3080] <... openat resumed>)       = 3
[pid  3079] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3080] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3079] <... futex resumed>)        = 0
[pid  3080] <... futex resumed>)        = 1
[pid  3079] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3080] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3079] <... futex resumed>)        = 0
[pid  3080] <... write resumed>)        = 2
[pid  3080] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3079] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3080] <... futex resumed>)        = 0
[pid  3079] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3080] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3079] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3080] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3079] <... futex resumed>)        = 0
[pid  3080] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3079] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3080] <... openat resumed>)       = 4
[pid  3077] <... mprotect resumed>)     = 0
[pid  3080] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3078] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3077] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3078] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3077] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3078] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3077] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3080] <... futex resumed>)        = 1
[pid  3079] <... futex resumed>)        = 0
[pid  3080] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3079] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 3081 attached
 <unfinished ...>
[pid  3080] <... futex resumed>)        = ?
[pid  3079] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 3082 attached
[pid  3081] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3080] +++ exited with 0 +++
[pid  3079] +++ exited with 0 +++
[pid  3078] <... clone3 resumed> => {parent_tid=[3081]}, 88) = 3081
[pid  3082] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3077] <... clone3 resumed> => {parent_tid=[3082]}, 88) = 3082
[pid  3082] <... set_robust_list resumed>) = 0
[pid  3077] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3078] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3079, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3082] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3077] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3082] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3077] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3078] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3081] <... set_robust_list resumed>) = 0
[pid  3077] <... futex resumed>)        = 0
[pid  3078] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  3081] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3082] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3081] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3077] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3078] <... futex resumed>)        = 0
[pid  3082] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3081] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3081] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3081] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3078] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3082] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3082] <... futex resumed>)        = 1
[pid  3081] <... futex resumed>)        = 0
[pid  3077] <... futex resumed>)        = 0
[pid  3078] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 3083 attached
[pid  3082] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3081] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3077] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3078] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3082] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3081] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3077] <... futex resumed>)        = 0
[pid  3082] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3081] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3078] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3083
[pid  3083] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3082] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3081] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3077] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3078] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3083] <... set_robust_list resumed>) = 0
[pid  3082] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3081] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3077] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3081] <... futex resumed>)        = 1
[pid  3077] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3078] <... futex resumed>)        = 0
[pid  3082] <... futex resumed>)        = 0
[pid  3081] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3077] <... futex resumed>)        = 0
[pid  3078] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3082] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3081] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3077] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3078] <... futex resumed>)        = 0
[pid  3081] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3078] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3083] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3082] <... openat resumed>)       = 3
[pid  3081] <... openat resumed>)       = 3
[pid  3083] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3082] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3081] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3077] <... futex resumed>)        = 0
[pid  3078] <... futex resumed>)        = 0
[pid  3081] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3078] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3081] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3077] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3082] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3078] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  3083] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3082] <... write resumed>)        = 2
[pid  3081] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3077] <... futex resumed>)        = 0
[pid  3078] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3083] <... prctl resumed>)        = 0
[pid  3082] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3081] <... write resumed>)        = 2
[pid  3077] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3081] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3077] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3082] <... futex resumed>)        = 0
[pid  3081] <... futex resumed>)        = 1
[pid  3077] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3078] <... futex resumed>)        = 0
[pid  3083] setpgid(0, 0 <unfinished ...>
[pid  3082] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3081] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3077] <... futex resumed>)        = 0
[pid  3078] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3083] <... setpgid resumed>)      = 0
[pid  3082] <... openat resumed>)       = 4
[pid  3081] <... openat resumed>)       = 4
[pid  3077] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3078] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3078] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3081] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3078] <... futex resumed>)        = 0
[pid  3081] <... futex resumed>)        = 1
[pid  3078] exit_group(0 <unfinished ...>
[pid  3081] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL) = ?
[pid  3078] <... exit_group resumed>)   = ?
[pid  3081] +++ exited with 0 +++
[pid  3083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3082] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3083] <... openat resumed>)       = 3
[pid  3082] <... futex resumed>)        = 1
[pid  3077] <... futex resumed>)        = 0
[pid  3083] write(3, "1000", 4 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3082] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3077] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 3084 attached
 <unfinished ...>
[pid  3083] <... write resumed>)        = 4
[pid  3082] <... futex resumed>)        = ?
[pid  3077] <... exit_group resumed>)   = ?
[pid  3078] +++ exited with 0 +++
[pid  3084] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3083] close(3 <unfinished ...>
[pid  3082] +++ exited with 0 +++
[pid  3084] <... set_robust_list resumed>) = 0
[pid  3084] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  3084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3084] setpgid(0, 0)               = 0
[pid  3084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3077] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3078, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3083] <... close resumed>)        = 0
[pid  3084] <... openat resumed>)       = 3
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3077, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3083] write(1, "executing program\n", 18 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3084
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3083] <... write resumed>)        = 18
[pid  3084] write(3, "1000", 4 <unfinished ...>
[pid  3083] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3084] <... write resumed>)        = 4
[pid  3083] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
executing program
[pid  3084] close(3 <unfinished ...>
[pid  3083] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3084] <... close resumed>)        = 0
[pid  3083] <... rt_sigaction resumed>, NULL, 8) = 0
executing program
[pid  3084] write(1, "executing program\n", 18 <unfinished ...>
[pid  3083] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3084] <... write resumed>)        = 18
[pid  3083] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3084] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3084] <... futex resumed>)        = 0
[pid  3084] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  3083] <... mmap resumed>)         = 0x7fb4de009000
[pid  3084] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  3084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  3083] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3084] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3083] <... mprotect resumed>)     = 0
[pid  3084] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3083] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3084] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3083] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3084] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3083] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 3085 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 3086 attached
 <unfinished ...>
[pid  3085] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3084] <... clone3 resumed> => {parent_tid=[3085]}, 88) = 3085
[pid  3085] <... set_robust_list resumed>) = 0
[pid  3084] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3085] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3084] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3086] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3085] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3084] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3083] <... clone3 resumed> => {parent_tid=[3086]}, 88) = 3086
[pid  3086] <... set_robust_list resumed>) = 0
[pid  3085] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3084] <... futex resumed>)        = 0
[pid  3083] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3086] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3083] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3086] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3083] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3085] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3084] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3086] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3085] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3084] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3083] <... futex resumed>)        = 0
[pid  3086] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3085] <... futex resumed>)        = 0
[pid  3084] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3086] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3085] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3084] <... futex resumed>)        = 0
[pid  3083] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3086] <... futex resumed>)        = 0
[pid  3085] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3084] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3083] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3086] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3083] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3086] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3083] <... futex resumed>)        = 0
[pid  3086] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3083] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3085] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3084] <... futex resumed>)        = 0
[pid  3085] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3084] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3086] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3085] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3084] <... futex resumed>)        = 0
[pid  3086] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3085] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3084] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3086] <... futex resumed>)        = 1
[pid  3085] <... openat resumed>)       = 3
[pid  3083] <... futex resumed>)        = 0
[pid  3086] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3085] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3083] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3086] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3085] <... futex resumed>)        = 1
[pid  3084] <... futex resumed>)        = 0
[pid  3086] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3085] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3084] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3083] <... futex resumed>)        = 0
[pid  3085] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3084] <... futex resumed>)        = 0
[pid  3086] <... openat resumed>)       = 3
[pid  3084] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3085] write(3, "\x38\x00", 2)     = 2
[pid  3085] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3084] <... futex resumed>)        = 0
[pid  3085] <... futex resumed>)        = 1
[pid  3084] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3085] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3084] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  3085] <... openat resumed>)       = 4
[pid  3084] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3083] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  3086] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3083] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3086] <... futex resumed>)        = 0
[pid  3083] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3086] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3085] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3083] <... futex resumed>)        = 0
[pid  3086] <... write resumed>)        = 2
[pid  3085] <... futex resumed>)        = 1
[pid  3084] <... futex resumed>)        = 0
[pid  3083] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3086] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3085] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3084] exit_group(0 <unfinished ...>
[pid  3083] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3086] <... futex resumed>)        = 0
[pid  3085] <... futex resumed>)        = ?
[pid  3084] <... exit_group resumed>)   = ?
[pid  3083] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3086] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3085] +++ exited with 0 +++
[pid  3083] <... futex resumed>)        = 0
[pid  3086] <... openat resumed>)       = 4
[pid  3084] +++ exited with 0 +++
[pid  3083] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 3088 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 3087 attached
 <unfinished ...>
[pid  3087] set_robust_list(0x55557716c6a0, 24) = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3088
[pid  3087] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3087] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3088] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3087] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3086] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3084, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3087
[pid  3088] <... set_robust_list resumed>) = 0
[pid  3086] <... futex resumed>)        = 1
[pid  3083] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3088] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3087] <... prctl resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3088] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3087] setpgid(0, 0 <unfinished ...>
[pid  3086] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3083] exit_group(0 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3088] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3087] <... setpgid resumed>)      = 0
[pid  3083] <... exit_group resumed>)   = ?
[pid  3088] <... prctl resumed>)        = 0
[pid  3087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3086] <... futex resumed>)        = ?
[pid  3088] setpgid(0, 0 <unfinished ...>
[pid  3087] <... openat resumed>)       = 3
[pid  3087] write(3, "1000", 4)         = 4
[pid  3087] close(3)                    = 0
[pid  3087] write(1, "executing program\n", 18) = 18
[pid  3087] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3087] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  3087] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  3087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3086] +++ exited with 0 +++
[pid  3083] +++ exited with 0 +++
[pid  3088] <... setpgid resumed>)      = 0
executing program
[pid  3087] <... mmap resumed>)         = 0x7fb4de009000
[pid  3088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3087] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3083, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3087] <... mprotect resumed>)     = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3087] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  3087] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3089 attached
[pid  3087] <... clone3 resumed> => {parent_tid=[3089]}, 88) = 3089
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3089] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3087] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3089] <... set_robust_list resumed>) = 0
[pid  3087] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3089] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3087] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3089] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3087] <... futex resumed>)        = 0
[pid  3089] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3087] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3089] <... mkdirat resumed>)      = -1 EEXIST (File exists)
ci2-android-6-12-rust/strace-static-x86_64: Process 3090 attached
[pid  3089] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3087] <... futex resumed>)        = 0
[pid  3089] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3087] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3089] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3087] <... futex resumed>)        = 0
[pid  3089] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3087] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3089] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3089] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3088] <... openat resumed>)       = 3
[pid  3090] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3090
[pid  3090] <... set_robust_list resumed>) = 0
[pid  3088] write(3, "1000", 4 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3090] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3088] <... write resumed>)        = 4
[pid  3090] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3089] <... futex resumed>)        = 1
[pid  3087] <... futex resumed>)        = 0
[pid  3090] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3089] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3088] close(3 <unfinished ...>
[pid  3087] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3089] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3087] <... futex resumed>)        = 0
[pid  3089] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
executing program
[pid  3087] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3090] <... prctl resumed>)        = 0
[pid  3089] <... openat resumed>)       = 3
[pid  3088] <... close resumed>)        = 0
[pid  3090] setpgid(0, 0 <unfinished ...>
[pid  3089] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3087] <... futex resumed>)        = 0
[pid  3090] <... setpgid resumed>)      = 0
[pid  3089] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3088] write(1, "executing program\n", 18 <unfinished ...>
[pid  3087] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3089] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3088] <... write resumed>)        = 18
[pid  3087] <... futex resumed>)        = 0
[pid  3089] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3088] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3087] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3090] <... openat resumed>)       = 3
[pid  3089] <... write resumed>)        = 2
[pid  3088] <... futex resumed>)        = 0
[pid  3089] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3087] <... futex resumed>)        = 0
[pid  3089] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3087] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3089] <... openat resumed>)       = 4
[pid  3087] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3089] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3087] <... futex resumed>)        = 0
[pid  3087] exit_group(0 <unfinished ...>
[pid  3089] <... futex resumed>)        = 1
[pid  3090] write(3, "1000", 4 <unfinished ...>
[pid  3089] +++ exited with 0 +++
[pid  3088] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3087] <... exit_group resumed>)   = ?
[pid  3090] <... write resumed>)        = 4
[pid  3088] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3087] +++ exited with 0 +++
[pid  3090] close(3 <unfinished ...>
[pid  3088] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3090] <... close resumed>)        = 0
[pid  3088] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3090] write(1, "executing program\n", 18 <unfinished ...>
[pid  3088] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3087, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3090] <... write resumed>)        = 18
executing program
[pid  3090] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3088] <... mmap resumed>)         = 0x7fb4de009000
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3090] <... futex resumed>)        = 0
[pid  3088] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  3090] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3088] <... mprotect resumed>)     = 0
[pid  3090] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3088] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3090] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3088] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3090] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3088] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 3091 attached
) = 0x7fb4de009000
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3091] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3090] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3088] <... clone3 resumed> => {parent_tid=[3091]}, 88) = 3091
ci2-android-6-12-rust/strace-static-x86_64: Process 3092 attached
[pid  3091] <... set_robust_list resumed>) = 0
[pid  3090] <... mprotect resumed>)     = 0
[pid  3088] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3092] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3091] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3088] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3088] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3092
[pid  3090] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3092] <... set_robust_list resumed>) = 0
[pid  3091] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3088] <... futex resumed>)        = 0
[pid  3088] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3092] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3091] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3092] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3090] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3091] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3090] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 3093 attached
 <unfinished ...>
[pid  3093] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  3090] <... clone3 resumed> => {parent_tid=[3093]}, 88) = 3093
[pid  3093] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3090] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3093] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3090] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3093] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3091] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3090] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3092] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3091] <... futex resumed>)        = 1
[pid  3088] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  3092] <... prctl resumed>)        = 0
[pid  3091] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3088] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3092] setpgid(0, 0 <unfinished ...>
[pid  3091] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3088] <... futex resumed>)        = 0
[pid  3092] <... setpgid resumed>)      = 0
[pid  3091] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3088] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3093] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3090] <... futex resumed>)        = 0
[pid  3093] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3091] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3090] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3093] <... futex resumed>)        = 0
[pid  3092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3091] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3090] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3093] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3090] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3093] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3092] <... openat resumed>)       = 3
[pid  3090] <... futex resumed>)        = 0
[pid  3093] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3090] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3093] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3093] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3090] <... futex resumed>)        = 0
[pid  3093] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3090] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 3094 attached
 <unfinished ...>
[pid  3093] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3090] <... futex resumed>)        = 0
[pid  3094] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3093] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3090] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3094] <... set_robust_list resumed>) = 0
[pid  3093] <... openat resumed>)       = 3
[pid  3094] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3093] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3090] <... futex resumed>)        = 0
[pid  3091] <... futex resumed>)        = 1
[pid  3090] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3092] write(3, "1000", 4 <unfinished ...>
[pid  3091] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3090] <... futex resumed>)        = 0
[pid  3088] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3094
[pid  3094] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3093] <... futex resumed>)        = 1
[pid  3092] <... write resumed>)        = 4
[pid  3090] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3088] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3094] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3093] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3092] close(3 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3091] <... futex resumed>)        = 0
[pid  3094] <... prctl resumed>)        = 0
[pid  3093] <... write resumed>)        = 2
[pid  3092] <... close resumed>)        = 0
[pid  3091] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3088] <... futex resumed>)        = 1
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3094] setpgid(0, 0 <unfinished ...>
[pid  3093] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3094] <... setpgid resumed>)      = 0
[pid  3093] <... futex resumed>)        = 1
[pid  3092] write(1, "executing program\n", 18 <unfinished ...>
[pid  3091] <... openat resumed>)       = 3
[pid  3090] <... futex resumed>)        = 0
[pid  3088] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3093] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3092] <... write resumed>)        = 18
executing program
[pid  3091] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3090] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3094] <... openat resumed>)       = 3
[pid  3093] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3092] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3091] <... futex resumed>)        = 0
[pid  3090] <... futex resumed>)        = 0
[pid  3088] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3093] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3092] <... futex resumed>)        = 0
[pid  3091] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3090] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3088] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3094] write(3, "1000", 4 <unfinished ...>
[pid  3093] <... openat resumed>)       = 4
[pid  3091] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3088] <... futex resumed>)        = 0
[pid  3094] <... write resumed>)        = 4
[pid  3092] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3091] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3088] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3094] close(3 <unfinished ...>
[pid  3092] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3091] <... write resumed>)        = 2
[pid  3092] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3091] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3094] <... close resumed>)        = 0
[pid  3093] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3091] <... futex resumed>)        = 1
[pid  3088] <... futex resumed>)        = 0
[pid  3094] write(1, "executing program\n", 18 <unfinished ...>
[pid  3093] <... futex resumed>)        = 1
[pid  3092] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3091] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3090] <... futex resumed>)        = 0
executing program
[pid  3088] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3094] <... write resumed>)        = 18
[pid  3093] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3090] exit_group(0 <unfinished ...>
[pid  3088] <... futex resumed>)        = 0
[pid  3094] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3093] <... futex resumed>)        = ?
[pid  3091] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3090] <... exit_group resumed>)   = ?
[pid  3094] <... futex resumed>)        = 0
[pid  3093] +++ exited with 0 +++
[pid  3092] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3091] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3090] +++ exited with 0 +++
[pid  3088] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3094] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3092] <... mmap resumed>)         = 0x7fb4de009000
[pid  3094] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3094] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  3092] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3091] <... openat resumed>)       = 4
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3090, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3094] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  3092] <... mprotect resumed>)     = 0
[pid  3091] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3094] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3094] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3092] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3091] <... futex resumed>)        = 1
[pid  3088] <... futex resumed>)        = 0
[pid  3094] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3092] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3091] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3094] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3088] exit_group(0ci2-android-6-12-rust/strace-static-x86_64: Process 3095 attached
)               = ?
[pid  3092] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3091] <... futex resumed>)        = ?
[pid  3095] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  3094] <... clone3 resumed> => {parent_tid=[3095]}, 88) = 3095
[pid  3095] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3094] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3095] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3095] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3094] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3094] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3095] <... futex resumed>)        = 0
[pid  3094] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3095] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3091] +++ exited with 0 +++
[pid  3088] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3088, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid  3095] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3095] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3094] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3095] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3094] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3095] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 3096 attached
 <unfinished ...>
[pid  3094] <... futex resumed>)        = 0
[pid  3096] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3095] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3094] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3092] <... clone3 resumed> => {parent_tid=[3096]}, 88) = 3096
ci2-android-6-12-rust/strace-static-x86_64: Process 3097 attached
[pid  3096] <... set_robust_list resumed>) = 0
[pid  3092] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3096] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3092] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3096] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3097] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3095] <... futex resumed>)        = 0
[pid  3092] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3096] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3097] <... set_robust_list resumed>) = 0
[pid  3095] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3094] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3092] <... futex resumed>)        = 0
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3097
[pid   314] <... restart_syscall resumed>) = 0
[pid  3096] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3094] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3092] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3095] <... futex resumed>)        = 0
[pid  3094] <... futex resumed>)        = 1
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3097] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3096] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3095] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3094] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3097] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3096] <... futex resumed>)        = 1
[pid  3095] <... openat resumed>)       = 3
[pid  3092] <... futex resumed>)        = 0
[pid  3096] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3095] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3092] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3097] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3096] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3095] <... futex resumed>)        = 1
[pid  3094] <... futex resumed>)        = 0
[pid  3092] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3097] <... prctl resumed>)        = 0
[pid  3096] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3095] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3094] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3092] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3097] setpgid(0, 0 <unfinished ...>
[pid  3095] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3094] <... futex resumed>)        = 0
[pid  3095] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3094] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3095] <... write resumed>)        = 2
[pid  3095] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3094] <... futex resumed>)        = 0
[pid  3095] <... futex resumed>)        = 1
[pid  3094] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3095] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3094] <... futex resumed>)        = 0
[pid  3096] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3095] <... openat resumed>)       = 4
[pid  3094] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3095] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3094] <... futex resumed>)        = 0
[pid  3094] exit_group(0 <unfinished ...>
[pid  3095] <... futex resumed>)        = 1
[pid  3095] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 3098 attached
 <unfinished ...>
[pid  3097] <... setpgid resumed>)      = 0
[pid  3096] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3095] <... futex resumed>)        = ?
[pid  3094] <... exit_group resumed>)   = ?
[pid  3098] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3096] <... futex resumed>)        = 1
[pid  3095] +++ exited with 0 +++
[pid  3094] +++ exited with 0 +++
[pid  3092] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3098
[pid  3096] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3092] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3092] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3096] <... openat resumed>)       = 3
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3094, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3098] <... set_robust_list resumed>) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3096] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3098] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3097] <... openat resumed>)       = 3
[pid  3098] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3096] <... futex resumed>)        = 1
[pid  3092] <... futex resumed>)        = 0
[pid  3097] write(3, "1000", 4 <unfinished ...>
[pid  3098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3098] setpgid(0, 0)               = 0
[pid  3092] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3097] <... write resumed>)        = 4
[pid  3096] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3092] <... futex resumed>)        = 0
[pid  3098] <... openat resumed>)       = 3
[pid  3097] close(3 <unfinished ...>
[pid  3096] <... write resumed>)        = 2
[pid  3098] write(3, "1000", 4 <unfinished ...>
[pid  3092] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3097] <... close resumed>)        = 0
[pid  3096] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3097] write(1, "executing program\n", 18 <unfinished ...>
[pid  3092] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3096] <... futex resumed>)        = 0
[pid  3097] <... write resumed>)        = 18
[pid  3092] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3098] <... write resumed>)        = 4
[pid  3097] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3096] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3092] <... futex resumed>)        = 0
[pid  3098] close(3 <unfinished ...>
[pid  3097] <... futex resumed>)        = 0
[pid  3098] <... close resumed>)        = 0
[pid  3092] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3098] write(1, "executing program\n", 18 <unfinished ...>
executing program
executing program
[pid  3096] <... openat resumed>)       = 4
[pid  3098] <... write resumed>)        = 18
[pid  3097] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3098] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3096] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3097] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3098] <... futex resumed>)        = 0
[pid  3092] <... futex resumed>)        = 0
[pid  3097] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3098] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3096] <... futex resumed>)        = 1
[pid  3098] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3097] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3096] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3092] exit_group(0 <unfinished ...>
[pid  3098] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3098] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3096] <... futex resumed>)        = ?
[pid  3092] <... exit_group resumed>)   = ?
[pid  3098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3097] <... mmap resumed>)         = 0x7fb4de009000
[pid  3098] <... mmap resumed>)         = 0x7fb4de009000
[pid  3096] +++ exited with 0 +++
[pid  3098] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3098] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  3098] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 3099 attached
 <unfinished ...>
[pid  3099] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3092] +++ exited with 0 +++
[pid  3097] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3099] <... set_robust_list resumed>) = 0
[pid  3098] <... clone3 resumed> => {parent_tid=[3099]}, 88) = 3099
[pid  3097] <... mprotect resumed>)     = 0
[pid  3099] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3098] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3092, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3099] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3098] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3097] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3099] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3098] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3099] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3098] <... futex resumed>)        = 0
[pid  3099] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3098] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3097] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3099] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3097] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3099] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3098] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3100 attached
[pid  3099] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3098] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3100] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3099] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3097] <... clone3 resumed> => {parent_tid=[3100]}, 88) = 3100
[pid  3100] <... set_robust_list resumed>) = 0
[pid  3099] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3098] <... futex resumed>)        = 0
[pid  3100] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3099] <... futex resumed>)        = 0
[pid  3098] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3097] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3100] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3099] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3098] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3097] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3100] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3099] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3098] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3097] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3099] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3098] <... futex resumed>)        = 0
[pid  3100] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3099] <... openat resumed>)       = 3
[pid  3098] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3097] <... futex resumed>)        = 0
[pid  3100] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3097] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3100] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3099] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3100] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3099] <... futex resumed>)        = 1
[pid  3098] <... futex resumed>)        = 0
[pid  3097] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3100] <... futex resumed>)        = 0
[pid  3099] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3098] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3097] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3100] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3099] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3098] <... futex resumed>)        = 0
[pid  3097] <... futex resumed>)        = 0
[pid  3099] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3098] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3100] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3099] <... write resumed>)        = 2
[pid  3097] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3100] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3099] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3097] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3100] <... futex resumed>)        = 0
[pid  3097] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3100] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3097] <... futex resumed>)        = 0
[pid  3099] <... futex resumed>)        = 1
[pid  3098] <... futex resumed>)        = 0
[pid  3097] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  3100] <... openat resumed>)       = 3
[pid  3099] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3098] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3100] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3099] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3098] <... futex resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  3100] <... futex resumed>)        = 1
[pid  3099] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3098] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3097] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3100] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3099] <... openat resumed>)       = 4
[pid  3097] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3100] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3097] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3100] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3097] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3100] <... write resumed>)        = 2
[pid  3100] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3100] <... futex resumed>)        = 1
[pid  3097] <... futex resumed>)        = 0
[pid  3100] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3099] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3097] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3100] <... openat resumed>)       = 4
[pid  3099] <... futex resumed>)        = 1
[pid  3098] <... futex resumed>)        = 0
[pid  3097] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 3101 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 3102 attached
 <unfinished ...>
[pid  3100] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3099] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3098] exit_group(0 <unfinished ...>
[pid  3097] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3101] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3100] <... futex resumed>)        = 0
[pid  3099] <... futex resumed>)        = ?
[pid  3097] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3101
[pid  3102] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3099] +++ exited with 0 +++
[pid  3098] <... exit_group resumed>)   = ?
[pid  3097] exit_group(0 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3102
[pid  3102] <... set_robust_list resumed>) = 0
[pid  3101] <... set_robust_list resumed>) = 0
[pid  3098] +++ exited with 0 +++
[pid  3097] <... exit_group resumed>)   = ?
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3102] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3101] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3100] +++ exited with 0 +++
[pid  3102] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3101] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3097] +++ exited with 0 +++
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3098, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3101] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3101] <... prctl resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3101] setpgid(0, 0 <unfinished ...>
[pid  3102] setpgid(0, 0 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3097, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3102] <... setpgid resumed>)      = 0
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 3103 attached
 <unfinished ...>
[pid  3102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3101] <... setpgid resumed>)      = 0
[pid  3103] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3102] <... openat resumed>)       = 3
[pid  3102] write(3, "1000", 4 <unfinished ...>
[pid  3101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3103
[pid  3103] <... set_robust_list resumed>) = 0
[pid  3102] <... write resumed>)        = 4
[pid  3101] <... openat resumed>)       = 3
[pid  3103] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3102] close(3 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3103] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3102] <... close resumed>)        = 0
[pid  3101] write(3, "1000", 4 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3103] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3102] write(1, "executing program\n", 18 <unfinished ...>
[pid  3101] <... write resumed>)        = 4
[pid  3103] <... prctl resumed>)        = 0
[pid  3102] <... write resumed>)        = 18
[pid  3103] setpgid(0, 0 <unfinished ...>
[pid  3102] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3101] close(3 <unfinished ...>
[pid  3103] <... setpgid resumed>)      = 0
[pid  3101] <... close resumed>)        = 0
[pid  3103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3102] <... futex resumed>)        = 0
[pid  3101] write(1, "executing program\n", 18 <unfinished ...>
[pid  3103] <... openat resumed>)       = 3
[pid  3102] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3103] write(3, "1000", 4 <unfinished ...>
[pid  3102] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3101] <... write resumed>)        = 18
[pid  3103] <... write resumed>)        = 4
[pid  3102] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3103] close(3 <unfinished ...>
[pid  3102] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3101] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3103] <... close resumed>)        = 0
[pid  3102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3103] write(1, "executing program\n", 18 <unfinished ...>
[pid  3102] <... mmap resumed>)         = 0x7fb4de009000
[pid  3101] <... futex resumed>)        = 0
[pid  3103] <... write resumed>)        = 18
[pid  3101] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3103] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3101] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3103] <... futex resumed>)        = 0
[pid  3101] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3103] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3101] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3103] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
executing program
executing program
executing program
[pid  3103] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  3102] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3101] <... mmap resumed>)         = 0x7fb4de009000
[pid  3103] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3102] <... mprotect resumed>)     = 0
[pid  3101] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3103] <... mmap resumed>)         = 0x7fb4de009000
[pid  3101] <... mprotect resumed>)     = 0
[pid  3103] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3102] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3101] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  3103] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3102] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3101] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3103] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3102] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3101] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 3104 attached
 <unfinished ...>
[pid  3103] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 3105 attached
 <unfinished ...>
[pid  3104] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3102] <... clone3 resumed> => {parent_tid=[3104]}, 88) = 3104
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3106 attached
[pid  3105] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3104] <... set_robust_list resumed>) = 0
[pid  3102] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3101] <... clone3 resumed> => {parent_tid=[3105]}, 88) = 3105
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 3107 attached
 <unfinished ...>
[pid  3106] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3105] <... set_robust_list resumed>) = 0
[pid  3104] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3103] <... clone3 resumed> => {parent_tid=[3106]}, 88) = 3106
[pid  3102] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3101] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3107] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3106] <... set_robust_list resumed>) = 0
[pid  3105] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3104] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3103] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3102] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3101] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3107] <... set_robust_list resumed>) = 0
[pid  3106] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3105] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3104] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3103] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3102] <... futex resumed>)        = 0
[pid  3101] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3107
[pid  3107] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3106] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3105] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3103] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3101] <... futex resumed>)        = 0
[pid  3106] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3107] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3104] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3103] <... futex resumed>)        = 0
[pid  3106] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3105] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3101] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3107] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3106] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3105] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3104] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3103] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3101] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3107] <... prctl resumed>)        = 0
[pid  3106] <... futex resumed>)        = 0
[pid  3105] <... futex resumed>)        = 0
[pid  3104] <... futex resumed>)        = 0
[pid  3103] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3101] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3107] setpgid(0, 0 <unfinished ...>
[pid  3106] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3105] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3104] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3103] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3101] <... futex resumed>)        = 0
[pid  3107] <... setpgid resumed>)      = 0
[pid  3106] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3106] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3105] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3103] <... futex resumed>)        = 0
[pid  3102] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3101] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3107] <... openat resumed>)       = 3
[pid  3106] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3105] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3103] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3102] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3101] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3107] write(3, "1000", 4 <unfinished ...>
[pid  3106] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3105] <... futex resumed>)        = 0
[pid  3103] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3102] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3101] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3107] <... write resumed>)        = 4
[pid  3106] <... futex resumed>)        = 0
[pid  3105] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3104] <... futex resumed>)        = 0
[pid  3103] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3102] <... futex resumed>)        = 1
[pid  3101] <... futex resumed>)        = 0
[pid  3107] close(3 <unfinished ...>
[pid  3106] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3105] <... openat resumed>)       = 3
[pid  3104] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3103] <... futex resumed>)        = 0
[pid  3102] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3101] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3107] <... close resumed>)        = 0
[pid  3106] <... openat resumed>)       = 3
[pid  3105] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3104] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3103] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3107] write(1, "executing program\n", 18 <unfinished ...>
[pid  3106] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3105] <... futex resumed>)        = 0
[pid  3104] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3103] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3101] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3107] <... write resumed>)        = 18
[pid  3106] <... futex resumed>)        = 0
[pid  3105] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3104] <... futex resumed>)        = 1
[pid  3103] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3102] <... futex resumed>)        = 0
[pid  3101] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3107] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3106] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3105] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3104] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3103] <... futex resumed>)        = 0
executing program
[pid  3102] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3101] <... futex resumed>)        = 0
[pid  3107] <... futex resumed>)        = 0
[pid  3106] <... write resumed>)        = 2
[pid  3105] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3104] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3103] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3102] <... futex resumed>)        = 0
[pid  3107] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3106] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3105] <... write resumed>)        = 2
[pid  3104] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3103] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3102] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3101] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3107] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3106] <... futex resumed>)        = 0
[pid  3105] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3104] <... openat resumed>)       = 3
[pid  3103] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3107] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3106] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3105] <... futex resumed>)        = 0
[pid  3104] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3103] <... futex resumed>)        = 0
[pid  3101] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3107] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3106] <... openat resumed>)       = 4
[pid  3105] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3104] <... futex resumed>)        = 1
[pid  3102] <... futex resumed>)        = 0
[pid  3103] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3101] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3106] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3105] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3104] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3103] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3102] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3101] <... futex resumed>)        = 0
[pid  3107] <... mmap resumed>)         = 0x7fb4de009000
[pid  3106] <... futex resumed>)        = 0
[pid  3105] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3104] <... write resumed>)        = 2
[pid  3103] exit_group(0 <unfinished ...>
[pid  3102] <... futex resumed>)        = 0
[pid  3107] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3106] ???( <unfinished ...>
[pid  3104] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3102] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3101] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3107] <... mprotect resumed>)     = 0
[pid  3106] <... ??? resumed>)          = ?
[pid  3105] <... openat resumed>)       = 4
[pid  3104] <... futex resumed>)        = 0
[pid  3103] <... exit_group resumed>)   = ?
[pid  3102] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3107] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3102] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3106] +++ exited with 0 +++
[pid  3105] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3104] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3102] <... futex resumed>)        = 0
[pid  3102] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3107] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3107] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3105] <... futex resumed>)        = 1
[pid  3103] +++ exited with 0 +++
[pid  3104] <... openat resumed>)       = 4
[pid  3101] <... futex resumed>)        = 0
[pid  3105] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3104] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3103, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3101] exit_group(0 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 3108 attached
 <unfinished ...>
[pid  3105] <... futex resumed>)        = ?
[pid  3104] <... futex resumed>)        = 1
[pid  3102] <... futex resumed>)        = 0
[pid  3101] <... exit_group resumed>)   = ?
[pid  3107] <... clone3 resumed> => {parent_tid=[3108]}, 88) = 3108
[pid  3105] +++ exited with 0 +++
[pid  3104] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3102] exit_group(0 <unfinished ...>
[pid  3107] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3102] <... exit_group resumed>)   = ?
[pid  3107] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3107] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3108] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3107] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3101] +++ exited with 0 +++
[pid  3104] <... futex resumed>)        = ?
[pid  3108] <... set_robust_list resumed>) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3101, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3108] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3104] +++ exited with 0 +++
[pid  3102] +++ exited with 0 +++
[pid  3108] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3108] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3102, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3108] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3108] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3107] <... futex resumed>)        = 0
[pid  3108] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3107] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3108] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3107] <... futex resumed>)        = 0
[pid  3108] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3107] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3108] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3108] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3107] <... futex resumed>)        = 0
[pid  3108] <... futex resumed>)        = 1
[pid  3107] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3108] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3107] <... futex resumed>)        = 0
[pid  3108] <... openat resumed>)       = 3
[pid  3107] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  3108] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3108] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3107] <... futex resumed>)        = 0
[pid  3107] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3108] <... futex resumed>)        = 0
[pid  3107] <... futex resumed>)        = 1
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3108] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3107] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3108] <... write resumed>)        = 2
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3108] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3108] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 3109 attached
 <unfinished ...>
[pid  3107] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3109
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  3109] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3107] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3109] <... set_robust_list resumed>) = 0
[pid  3108] <... futex resumed>)        = 0
[pid  3107] <... futex resumed>)        = 1
[pid  3109] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3108] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3107] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3109] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3108] <... openat resumed>)       = 4
[pid  3109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3109] setpgid(0, 0 <unfinished ...>
[pid  3108] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3109] <... setpgid resumed>)      = 0
[pid  3108] <... futex resumed>)        = 1
[pid  3109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3107] <... futex resumed>)        = 0
[pid  3107] exit_group(0 <unfinished ...>
[pid  3109] <... openat resumed>)       = 3
[pid  3107] <... exit_group resumed>)   = ?
[pid  3108] +++ exited with 0 +++
[pid  3109] write(3, "1000", 4)         = 4
[pid  3109] close(3)                    = 0
[pid  3109] write(1, "executing program\n", 18) = 18
[pid  3109] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3109] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
executing program
[pid  3109] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3107] +++ exited with 0 +++
[pid  3109] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3107, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3109] <... mmap resumed>)         = 0x7fb4de009000
[pid  3109] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3109] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  3109] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 3110 attached
 <unfinished ...>
[pid  3110] set_robust_list(0x7fb4de0299a0, 24) = 0
[pid  3110] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3109] <... clone3 resumed> => {parent_tid=[3110]}, 88) = 3110
[pid  3110] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3109] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3110] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3109] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3109] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3110] <... futex resumed>)        = 0
[pid  3109] <... futex resumed>)        = 1
[pid  3109] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3110] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  3110] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3109] <... futex resumed>)        = 0
[pid  3110] <... futex resumed>)        = 1
[pid  3109] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  3110] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3109] <... futex resumed>)        = 0
[pid  3110] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3109] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  3110] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3110] <... futex resumed>)        = 1
[pid  3109] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3110] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3109] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3111 attached
[pid  3110] <... openat resumed>)       = 3
[pid  3109] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3111] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3110] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3109] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3111
[pid  3110] <... futex resumed>)        = 0
[pid  3109] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3111] <... set_robust_list resumed>) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3109] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3111] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3110] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3109] <... futex resumed>)        = 0
[pid  3110] <... write resumed>)        = 2
[pid  3109] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3112
[pid  3110] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3109] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 3113 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 3112 attached
 <unfinished ...>
[pid  3111] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3110] <... futex resumed>)        = 0
[pid  3109] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3113] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3110] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3109] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3113] <... set_robust_list resumed>) = 0
[pid  3112] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3111] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3110] <... openat resumed>)       = 4
[pid  3109] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3113] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3112] <... set_robust_list resumed>) = 0
[pid  3111] <... prctl resumed>)        = 0
[pid  3110] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3113
[pid  3113] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3112] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3111] setpgid(0, 0 <unfinished ...>
[pid  3110] <... futex resumed>)        = 1
[pid  3109] <... futex resumed>)        = 0
[pid  3113] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3112] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3111] <... setpgid resumed>)      = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3113] <... prctl resumed>)        = 0
[pid  3110] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3109] exit_group(0 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3113] setpgid(0, 0 <unfinished ...>
[pid  3112] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3110] <... futex resumed>)        = ?
[pid  3109] <... exit_group resumed>)   = ?
[pid  3113] <... setpgid resumed>)      = 0
[pid  3112] <... prctl resumed>)        = 0
[pid  3111] <... openat resumed>)       = 3
[pid  3110] +++ exited with 0 +++
[pid  3109] +++ exited with 0 +++
[pid  3113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3112] setpgid(0, 0 <unfinished ...>
[pid  3111] write(3, "1000", 4 <unfinished ...>
[pid  3113] <... openat resumed>)       = 3
[pid  3112] <... setpgid resumed>)      = 0
[pid  3111] <... write resumed>)        = 4
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3109, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3113] write(3, "1000", 4 <unfinished ...>
[pid  3112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3111] close(3 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3113] <... write resumed>)        = 4
[pid  3113] close(3)                    = 0
[pid  3113] write(1, "executing program\n", 18) = 18
[pid  3113] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
executing program
[pid  3113] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  3113] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  3113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  3113] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3113] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  3113] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 3114 attached
 <unfinished ...>
[pid  3114] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3113] <... clone3 resumed> => {parent_tid=[3114]}, 88) = 3114
[pid  3114] <... set_robust_list resumed>) = 0
[pid  3113] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3114] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  3113] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3114] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3113] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3114] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3113] <... futex resumed>)        = 0
[pid  3114] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3113] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3114] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3114] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3111] <... close resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3113] <... futex resumed>)        = 0
[pid  3114] <... futex resumed>)        = 1
[pid  3113] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3114] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3113] <... futex resumed>)        = 0
[pid  3112] <... openat resumed>)       = 3
[pid  3111] write(1, "executing program\n", 18 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3114] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3113] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3114] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3113] <... futex resumed>)        = 0
[pid  3113] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3113] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3114] <... futex resumed>)        = 1
[pid  3114] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  3111] <... write resumed>)        = 18
[pid  3112] write(3, "1000", 4 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3115
[pid  3112] <... write resumed>)        = 4
executing program
[pid  3111] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 3115 attached
 <unfinished ...>
[pid  3114] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3112] close(3 <unfinished ...>
[pid  3111] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3115] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3114] <... futex resumed>)        = 1
[pid  3113] <... futex resumed>)        = 0
[pid  3112] <... close resumed>)        = 0
[pid  3111] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3115] <... set_robust_list resumed>) = 0
[pid  3114] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3113] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3115] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3114] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3113] <... futex resumed>)        = 0
[pid  3112] write(1, "executing program\n", 18 <unfinished ...>
[pid  3111] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3115] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  3114] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3113] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3112] <... write resumed>)        = 18
[pid  3111] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3115] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3114] <... write resumed>)        = 2
[pid  3112] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3111] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3112] <... futex resumed>)        = 0
[pid  3111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3115] <... prctl resumed>)        = 0
[pid  3114] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3115] setpgid(0, 0 <unfinished ...>
[pid  3114] <... futex resumed>)        = 1
[pid  3113] <... futex resumed>)        = 0
[pid  3115] <... setpgid resumed>)      = 0
[pid  3114] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3113] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3112] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3111] <... mmap resumed>)         = 0x7fb4de009000
[pid  3115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3114] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3113] <... futex resumed>)        = 0
executing program
[pid  3114] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3113] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3112] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3111] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3115] <... openat resumed>)       = 3
[pid  3114] <... openat resumed>)       = 4
[pid  3115] write(3, "1000", 4)         = 4
[pid  3115] close(3)                    = 0
[pid  3115] write(1, "executing program\n", 18 <unfinished ...>
[pid  3114] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3115] <... write resumed>)        = 18
[pid  3114] <... futex resumed>)        = 1
[pid  3113] <... futex resumed>)        = 0
[pid  3115] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3114] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3113] exit_group(0 <unfinished ...>
[pid  3115] <... futex resumed>)        = 0
[pid  3115] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3114] <... futex resumed>)        = ?
[pid  3113] <... exit_group resumed>)   = ?
[pid  3115] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3114] +++ exited with 0 +++
[pid  3115] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3113] +++ exited with 0 +++
[pid  3112] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3111] <... mprotect resumed>)     = 0
[pid  3115] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3112] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  3112] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3113, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3115] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3112] <... mmap resumed>)         = 0x7fb4de009000
[pid  3115] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3112] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3115] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3115] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 3116 attached
 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3116] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3112] <... mprotect resumed>)     = 0
[pid  3116] <... set_robust_list resumed>) = 0
[pid  3115] <... clone3 resumed> => {parent_tid=[3116]}, 88) = 3116
[pid  3116] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3115] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3112] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3116] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3115] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3111] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3112] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  3112] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3111] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3116] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3115] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3116] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3115] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3117 attached
[pid  3116] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3115] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3117] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3116] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3111] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3117] <... set_robust_list resumed>) = 0
[pid  3116] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3117] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3116] <... futex resumed>)        = 1
[pid  3115] <... futex resumed>)        = 0
[pid  3117] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3116] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3115] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3117] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3116] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3115] <... futex resumed>)        = 0
[pid  3116] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3115] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3116] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3116] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3115] <... futex resumed>)        = 0
[pid  3115] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3118 attached
[pid  3116] <... futex resumed>)        = 1
[pid  3115] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3112] <... clone3 resumed> => {parent_tid=[3117]}, 88) = 3117
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3118] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3116] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3112] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3111] <... clone3 resumed> => {parent_tid=[3118]}, 88) = 3118
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3118] <... set_robust_list resumed>) = 0
[pid  3116] <... openat resumed>)       = 3
[pid  3112] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3111] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3116] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3115] <... futex resumed>)        = 0
[pid  3116] <... futex resumed>)        = 1
[pid  3115] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3116] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3115] <... futex resumed>)        = 0
[pid  3116] <... write resumed>)        = 2
[pid  3115] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3116] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3115] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3116] <... futex resumed>)        = 0
[pid  3115] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 3119 attached
 <unfinished ...>
[pid  3118] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3116] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3115] <... futex resumed>)        = 0
[pid  3112] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3111] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3118] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3112] <... futex resumed>)        = 1
[pid  3111] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3112] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3111] <... futex resumed>)        = 0
[pid  3119] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3118] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3117] <... futex resumed>)        = 0
[pid  3116] <... openat resumed>)       = 4
[pid  3115] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3111] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3119] <... set_robust_list resumed>) = 0
[pid  3118] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3117] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3119
[pid  3119] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3118] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3117] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3116] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3118] <... futex resumed>)        = 1
[pid  3117] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3115] <... futex resumed>)        = 0
[pid  3111] <... futex resumed>)        = 0
[pid  3119] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3118] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3117] <... futex resumed>)        = 1
[pid  3116] <... futex resumed>)        = 1
[pid  3115] exit_group(0 <unfinished ...>
[pid  3112] <... futex resumed>)        = 0
[pid  3111] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3119] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3118] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3117] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3115] <... exit_group resumed>)   = ?
[pid  3112] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3111] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3119] <... prctl resumed>)        = 0
[pid  3118] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3117] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3116] +++ exited with 0 +++
[pid  3112] <... futex resumed>)        = 0
[pid  3111] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3118] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3112] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3118] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3115] +++ exited with 0 +++
[pid  3111] <... futex resumed>)        = 0
[pid  3118] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3111] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3118] <... openat resumed>)       = 3
[pid  3111] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3115, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3119] setpgid(0, 0 <unfinished ...>
[pid  3118] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3117] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3111] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3119] <... setpgid resumed>)      = 0
[pid  3118] <... futex resumed>)        = 0
[pid  3117] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3118] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3117] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3111] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3117] <... futex resumed>)        = 1
[pid  3112] <... futex resumed>)        = 0
[pid  3119] <... openat resumed>)       = 3
[pid  3117] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3112] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3111] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3117] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3112] <... futex resumed>)        = 0
[pid  3117] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3112] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3117] <... openat resumed>)       = 3
[pid  3117] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3112] <... futex resumed>)        = 0
[pid  3117] <... futex resumed>)        = 1
[pid  3112] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3119] write(3, "1000", 4 <unfinished ...>
[pid  3118] <... futex resumed>)        = 0
[pid  3117] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3112] <... futex resumed>)        = 0
[pid  3111] <... futex resumed>)        = 1
[pid  3119] <... write resumed>)        = 4
[pid  3118] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3117] <... write resumed>)        = 2
[pid  3112] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3111] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3119] close(3 <unfinished ...>
[pid  3118] <... write resumed>)        = 2
[pid  3117] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3119] <... close resumed>)        = 0
[pid  3118] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3112] <... futex resumed>)        = 0
[pid  3117] <... futex resumed>)        = 1
[pid  3118] <... futex resumed>)        = 1
[pid  3112] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3111] <... futex resumed>)        = 0
[pid  3119] write(1, "executing program\n", 18 <unfinished ...>
[pid  3118] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
executing program
[pid  3117] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3112] <... futex resumed>)        = 0
[pid  3111] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3119] <... write resumed>)        = 18
[pid  3118] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3117] <... openat resumed>)       = 4
[pid  3112] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3119] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3118] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3111] <... futex resumed>)        = 0
[pid  3119] <... futex resumed>)        = 0
[pid  3111] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3119] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3118] <... openat resumed>)       = 4
[pid  3117] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3112] <... futex resumed>)        = 0
[pid  3117] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3112] exit_group(0 <unfinished ...>
[pid  3117] <... futex resumed>)        = ?
[pid  3112] <... exit_group resumed>)   = ?
[pid  3119] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3118] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3117] +++ exited with 0 +++
[pid  3112] +++ exited with 0 +++
[pid  3119] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3118] <... futex resumed>)        = 1
[pid  3111] <... futex resumed>)        = 0
[pid  3119] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3118] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3111] exit_group(0 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3112, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3111] <... exit_group resumed>)   = ?
[pid  3118] <... futex resumed>)        = ?
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3119] <... mmap resumed>)         = 0x7fb4de009000
[pid  3119] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3119] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3118] +++ exited with 0 +++
[pid  3111] +++ exited with 0 +++
[pid  3119] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3111, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3119] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 3120 attached
 <unfinished ...>
[pid  3120] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3119] <... clone3 resumed> => {parent_tid=[3120]}, 88) = 3120
[pid  3120] <... set_robust_list resumed>) = 0
[pid  3119] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3120] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3119] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3120] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3120] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3119] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3120] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3120] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3119] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3120] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3119] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3119] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3120] <... futex resumed>)        = 0
[pid  3119] <... futex resumed>)        = 1
[pid  3120] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3119] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3120] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3120] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3119] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  3120] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3119] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3120] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3119] <... futex resumed>)        = 0
[pid  3120] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  3119] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3120] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3120] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3119] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3119] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3120] <... futex resumed>)        = 0
[pid  3119] <... futex resumed>)        = 1
[pid  3120] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3119] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3120] <... write resumed>)        = 2
[pid  3120] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3119] <... futex resumed>)        = 0
[pid  3120] <... futex resumed>)        = 1
[pid  3119] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3120] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3119] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3120] <... openat resumed>)       = 4
[pid  3120] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3119] <... futex resumed>)        = 0
[pid  3120] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3119] exit_group(0 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  3119] <... exit_group resumed>)   = ?
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 3121 attached
 <unfinished ...>
[pid  3120] <... futex resumed>)        = ?
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3121
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3122
ci2-android-6-12-rust/strace-static-x86_64: Process 3122 attached
[pid  3121] set_robust_list(0x55557716c6a0, 24) = 0
[pid  3121] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  3120] +++ exited with 0 +++
[pid  3119] +++ exited with 0 +++
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  3122] set_robust_list(0x55557716c6a0, 24) = 0
[pid  3122] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3121] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3119, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3122] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3121] <... prctl resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3122] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3121] setpgid(0, 0 <unfinished ...>
[pid  3122] <... prctl resumed>)        = 0
[pid  3122] setpgid(0, 0 <unfinished ...>
[pid  3121] <... setpgid resumed>)      = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3122] <... setpgid resumed>)      = 0
[pid  3122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3122] <... openat resumed>)       = 3
[pid  3121] <... openat resumed>)       = 3
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3121] write(3, "1000", 4)         = 4
[pid  3121] close(3)                    = 0
[pid  3121] write(1, "executing program\n", 18) = 18
[pid  3121] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3121] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  3121] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3122] write(3, "1000", 4ci2-android-6-12-rust/strace-static-x86_64: Process 3123 attached
 <unfinished ...>
[pid  3121] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  3123] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3122] <... write resumed>)        = 4
[pid  3121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3123
[pid  3123] <... set_robust_list resumed>) = 0
[pid  3122] close(3 <unfinished ...>
[pid  3121] <... mmap resumed>)         = 0x7fb4de009000
[pid  3123] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3122] <... close resumed>)        = 0
[pid  3121] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3123] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3122] write(1, "executing program\n", 18 <unfinished ...>
[pid  3121] <... mprotect resumed>)     = 0
executing program
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3123] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3122] <... write resumed>)        = 18
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3123] <... prctl resumed>)        = 0
[pid  3122] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3121] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3122] <... futex resumed>)        = 0
[pid  3123] setpgid(0, 0 <unfinished ...>
[pid  3121] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3123] <... setpgid resumed>)      = 0
[pid  3122] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3121] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3122] <... rt_sigaction resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3124 attached
[pid  3123] <... openat resumed>)       = 3
[pid  3122] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3124] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3122] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3124] <... set_robust_list resumed>) = 0
[pid  3122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3124] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3123] write(3, "1000", 4 <unfinished ...>
[pid  3122] <... mmap resumed>)         = 0x7fb4de009000
[pid  3121] <... clone3 resumed> => {parent_tid=[3124]}, 88) = 3124
[pid  3124] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3123] <... write resumed>)        = 4
[pid  3122] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3124] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3121] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  3123] close(3 <unfinished ...>
[pid  3122] <... mprotect resumed>)     = 0
[pid  3121] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3123] <... close resumed>)        = 0
[pid  3122] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3121] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3124] <... futex resumed>)        = 0
[pid  3123] write(1, "executing program\n", 18 <unfinished ...>
[pid  3122] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3121] <... futex resumed>)        = 1
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
executing program
[pid  3124] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3123] <... write resumed>)        = 18
[pid  3122] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3121] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3124] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3123] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 3125 attached
 <unfinished ...>
[pid  3124] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3123] <... futex resumed>)        = 0
[pid  3124] <... futex resumed>)        = 1
[pid  3124] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3122] <... clone3 resumed> => {parent_tid=[3125]}, 88) = 3125
[pid  3121] <... futex resumed>)        = 0
[pid  3125] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3123] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3122] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3121] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 3126 attached
 <unfinished ...>
[pid  3125] <... set_robust_list resumed>) = 0
[pid  3124] <... futex resumed>)        = 0
[pid  3123] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3122] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3121] <... futex resumed>)        = 1
[pid  3126] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3125] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3124] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3123] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3122] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3121] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3123] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3125] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3126
[pid  3126] <... set_robust_list resumed>) = 0
[pid  3125] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3124] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3123] <... mmap resumed>)         = 0x7fb4de009000
[pid  3122] <... futex resumed>)        = 0
[pid  3126] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3125] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3124] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3123] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3126] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3125] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3124] <... futex resumed>)        = 1
[pid  3123] <... mprotect resumed>)     = 0
[pid  3122] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3121] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3126] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3125] <... futex resumed>)        = 0
[pid  3124] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3123] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3122] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3121] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3126] <... prctl resumed>)        = 0
[pid  3125] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3124] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3123] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3122] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3121] <... futex resumed>)        = 0
[pid  3126] setpgid(0, 0 <unfinished ...>
[pid  3125] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3124] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3123] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3122] <... futex resumed>)        = 0
[pid  3121] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3126] <... setpgid resumed>)      = 0
[pid  3125] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3124] <... openat resumed>)       = 3
[pid  3122] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 3127 attached
 <unfinished ...>
[pid  3126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3125] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3124] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3127] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3124] <... futex resumed>)        = 1
[pid  3123] <... clone3 resumed> => {parent_tid=[3127]}, 88) = 3127
[pid  3127] <... set_robust_list resumed>) = 0
[pid  3124] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3123] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3127] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3126] <... openat resumed>)       = 3
[pid  3123] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3127] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3126] write(3, "1000", 4 <unfinished ...>
[pid  3123] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3127] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3126] <... write resumed>)        = 4
[pid  3127] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3123] <... futex resumed>)        = 0
[pid  3127] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3126] close(3 <unfinished ...>
[pid  3127] <... futex resumed>)        = 0
[pid  3123] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3127] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3126] <... close resumed>)        = 0
[pid  3123] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3126] write(1, "executing program\n", 18 <unfinished ...>
[pid  3123] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3126] <... write resumed>)        = 18
[pid  3127] <... futex resumed>)        = 0
[pid  3123] <... futex resumed>)        = 1
[pid  3127] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3126] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3123] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3127] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3126] <... futex resumed>)        = 0
executing program
[pid  3125] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3121] <... futex resumed>)        = 0
[pid  3125] <... futex resumed>)        = 1
[pid  3122] <... futex resumed>)        = 0
[pid  3121] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3125] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3124] <... futex resumed>)        = 0
[pid  3122] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3121] <... futex resumed>)        = 1
[pid  3125] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3124] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3122] <... futex resumed>)        = 0
[pid  3121] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3125] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3124] <... write resumed>)        = 2
[pid  3122] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3125] <... openat resumed>)       = 3
[pid  3124] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3125] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3124] <... futex resumed>)        = 1
[pid  3121] <... futex resumed>)        = 0
[pid  3125] <... futex resumed>)        = 1
[pid  3124] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3122] <... futex resumed>)        = 0
[pid  3121] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3125] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3124] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3122] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3121] <... futex resumed>)        = 0
[pid  3125] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3124] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3122] <... futex resumed>)        = 0
[pid  3121] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3125] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3124] <... openat resumed>)       = 4
[pid  3122] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3125] <... write resumed>)        = 2
[pid  3124] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3125] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3124] <... futex resumed>)        = 1
[pid  3121] <... futex resumed>)        = 0
[pid  3125] <... futex resumed>)        = 1
[pid  3124] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3122] <... futex resumed>)        = 0
[pid  3121] exit_group(0 <unfinished ...>
[pid  3125] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3124] <... futex resumed>)        = ?
[pid  3122] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3121] <... exit_group resumed>)   = ?
[pid  3127] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3126] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3125] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3124] +++ exited with 0 +++
[pid  3122] <... futex resumed>)        = 0
[pid  3121] +++ exited with 0 +++
[pid  3127] <... futex resumed>)        = 1
[pid  3126] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3125] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3123] <... futex resumed>)        = 0
[pid  3122] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3127] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3126] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3125] <... openat resumed>)       = 4
[pid  3123] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3127] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3126] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3123] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3121, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3127] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3126] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3123] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3125] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3122] <... futex resumed>)        = 0
[pid  3127] <... openat resumed>)       = 3
[pid  3125] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3122] exit_group(0 <unfinished ...>
[pid  3127] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3126] <... mmap resumed>)         = 0x7fb4de009000
[pid  3125] <... futex resumed>)        = ?
[pid  3122] <... exit_group resumed>)   = ?
[pid  3127] <... futex resumed>)        = 1
[pid  3126] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3125] +++ exited with 0 +++
[pid  3123] <... futex resumed>)        = 0
[pid  3122] +++ exited with 0 +++
[pid  3127] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3126] <... mprotect resumed>)     = 0
[pid  3127] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3123] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3127] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3123] <... futex resumed>)        = 0
[pid  3127] <... write resumed>)        = 2
[pid  3126] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3123] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3122, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3127] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3126] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3123] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3127] <... futex resumed>)        = 0
[pid  3126] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3127] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3123] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3123] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 3128 attached
 <unfinished ...>
[pid  3127] <... openat resumed>)       = 4
[pid  3128] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3127] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3126] <... clone3 resumed> => {parent_tid=[3128]}, 88) = 3128
[pid  3127] <... futex resumed>)        = 1
[pid  3128] <... set_robust_list resumed>) = 0
[pid  3126] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3127] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3128] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3126] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3128] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3126] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3128] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3126] <... futex resumed>)        = 0
[pid  3123] <... futex resumed>)        = 0
[pid  3123] exit_group(0 <unfinished ...>
[pid  3127] <... futex resumed>)        = ?
[pid  3123] <... exit_group resumed>)   = ?
[pid  3128] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3127] +++ exited with 0 +++
[pid  3126] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3123] +++ exited with 0 +++
[pid  3128] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3126] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3128] <... futex resumed>)        = 0
[pid  3126] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3128] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3123, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3128] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3126] <... futex resumed>)        = 0
[pid  3128] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3126] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3128] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3126] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3126] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3128] <... futex resumed>)        = 0
[pid  3126] <... futex resumed>)        = 1
[pid  3128] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3126] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3128] <... openat resumed>)       = 3
[pid  3128] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3126] <... futex resumed>)        = 0
[pid  3128] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3126] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3128] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3126] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  3128] write(3, "\x38\x00", 2)     = 2
[pid  3126] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3128] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3128] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3126] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3126] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3128] <... futex resumed>)        = 0
[pid  3126] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3128] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  3128] <... openat resumed>)       = 4
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3128] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3128] <... futex resumed>)        = 1
[pid  3126] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 3129 attached
 <unfinished ...>
[pid  3128] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3126] exit_group(0 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3129
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3130 attached
[pid  3128] <... futex resumed>)        = ?
[pid  3126] <... exit_group resumed>)   = ?
[pid  3128] +++ exited with 0 +++
[pid  3129] set_robust_list(0x55557716c6a0, 24) = 0
[pid  3129] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  3129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3126] +++ exited with 0 +++
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3130
[pid  3130] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3129] setpgid(0, 0 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3126, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3130] <... set_robust_list resumed>) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3129] <... setpgid resumed>)      = 0
[pid  3130] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3130] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3130] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3130] setpgid(0, 0 <unfinished ...>
[pid  3129] <... openat resumed>)       = 3
[pid  3130] <... setpgid resumed>)      = 0
[pid  3130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3129] write(3, "1000", 4)         = 4
[pid  3130] <... openat resumed>)       = 3
[pid  3129] close(3 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  3129] <... close resumed>)        = 0
[pid  3130] write(3, "1000", 4)         = 4
[pid  3129] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  3130] close(3 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3130] <... close resumed>)        = 0
[pid  3129] <... write resumed>)        = 18
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3130] write(1, "executing program\n", 18) = 18
[pid  3130] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3130] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
executing program
[pid  3130] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  3129] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3129] <... futex resumed>)        = 0
[pid  3130] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  3130] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3130] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  3129] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}ci2-android-6-12-rust/strace-static-x86_64: Process 3131 attached
 <unfinished ...>
[pid  3130] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 3132 attached
 <unfinished ...>
[pid  3131] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3129] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3131] <... set_robust_list resumed>) = 0
[pid  3130] <... clone3 resumed> => {parent_tid=[3132]}, 88) = 3132
[pid  3131] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3129] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3132] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3129] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3131
[pid  3132] <... set_robust_list resumed>) = 0
[pid  3129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3132] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3131] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3130] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3132] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3131] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3130] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3129] <... mmap resumed>)         = 0x7fb4de009000
[pid  3131] <... prctl resumed>)        = 0
[pid  3130] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3129] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3132] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3131] setpgid(0, 0 <unfinished ...>
[pid  3130] <... futex resumed>)        = 0
[pid  3132] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3131] <... setpgid resumed>)      = 0
[pid  3130] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3129] <... mprotect resumed>)     = 0
[pid  3132] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3130] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3132] <... futex resumed>)        = 0
[pid  3130] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3132] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3131] <... openat resumed>)       = 3
[pid  3130] <... futex resumed>)        = 0
[pid  3129] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3130] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3129] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3131] write(3, "1000", 4 <unfinished ...>
[pid  3129] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3132] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3131] <... write resumed>)        = 4
[pid  3132] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3133 attached
[pid  3132] <... futex resumed>)        = 1
[pid  3131] close(3 <unfinished ...>
[pid  3130] <... futex resumed>)        = 0
[pid  3129] <... clone3 resumed> => {parent_tid=[3133]}, 88) = 3133
[pid  3133] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3132] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3131] <... close resumed>)        = 0
[pid  3130] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3129] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3133] <... set_robust_list resumed>) = 0
[pid  3132] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3131] write(1, "executing program\n", 18 <unfinished ...>
[pid  3130] <... futex resumed>)        = 0
[pid  3129] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3133] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3132] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3131] <... write resumed>)        = 18
[pid  3130] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3129] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3133] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3132] <... openat resumed>)       = 3
[pid  3131] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3129] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3132] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3129] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 3134 attached
 <unfinished ...>
[pid  3133] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3132] <... futex resumed>)        = 1
[pid  3131] <... futex resumed>)        = 0
[pid  3130] <... futex resumed>)        = 0
[pid  3133] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3132] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3131] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3130] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3134] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3132] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3131] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3132] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3134] <... set_robust_list resumed>) = 0
[pid  3132] <... write resumed>)        = 2
[pid  3132] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3130] <... futex resumed>)        = 0
[pid  3134] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3131] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3130] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3133] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3131] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3130] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3134] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3133] <... futex resumed>)        = 1
[pid  3132] <... futex resumed>)        = 0
[pid  3131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3130] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3134
[pid  3129] <... futex resumed>)        = 0
[pid  3134] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3133] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3132] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3131] <... mmap resumed>)         = 0x7fb4de009000
[pid  3130] <... futex resumed>)        = 0
[pid  3133] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3131] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3130] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3129] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3134] <... prctl resumed>)        = 0
[pid  3133] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3132] <... openat resumed>)       = 4
[pid  3131] <... mprotect resumed>)     = 0
[pid  3129] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3134] setpgid(0, 0 <unfinished ...>
[pid  3133] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3132] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3131] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3129] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3134] <... setpgid resumed>)      = 0
[pid  3133] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3132] <... futex resumed>)        = 1
[pid  3131] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3130] <... futex resumed>)        = 0
[pid  3129] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3133] <... futex resumed>)        = 0
[pid  3132] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3131] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3130] exit_group(0 <unfinished ...>
[pid  3129] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3134] <... openat resumed>)       = 3
[pid  3133] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3132] <... futex resumed>)        = ?
[pid  3130] <... exit_group resumed>)   = ?
[pid  3129] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3135 attached
[pid  3134] write(3, "1000", 4 <unfinished ...>
[pid  3133] <... openat resumed>)       = 3
[pid  3132] +++ exited with 0 +++
[pid  3129] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3135] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3134] <... write resumed>)        = 4
[pid  3135] <... set_robust_list resumed>) = 0
[pid  3134] close(3 <unfinished ...>
[pid  3135] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  3134] <... close resumed>)        = 0
[pid  3133] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3131] <... clone3 resumed> => {parent_tid=[3135]}, 88) = 3135
[pid  3130] +++ exited with 0 +++
[pid  3135] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3134] write(1, "executing program\n", 18 <unfinished ...>
[pid  3133] <... futex resumed>)        = 1
executing program
[pid  3131] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3129] <... futex resumed>)        = 0
[pid  3134] <... write resumed>)        = 18
[pid  3133] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3131] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3131] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3129] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3134] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3135] <... futex resumed>)        = 0
[pid  3131] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3134] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3130, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3134] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3135] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3133] <... futex resumed>)        = 0
[pid  3129] <... futex resumed>)        = 1
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3134] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3133] write(3, "\x38\x00", 2)     = 2
[pid  3133] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3133] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3135] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3135] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3131] <... futex resumed>)        = 0
[pid  3135] <... futex resumed>)        = 1
[pid  3131] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3135] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3131] <... futex resumed>)        = 0
[pid  3135] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3131] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3135] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3131] <... futex resumed>)        = 0
[pid  3131] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3131] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3135] <... futex resumed>)        = 1
[pid  3135] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  3135] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3131] <... futex resumed>)        = 0
[pid  3135] <... futex resumed>)        = 1
[pid  3131] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3135] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3131] <... futex resumed>)        = 0
[pid  3135] <... write resumed>)        = 2
[pid  3131] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3135] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3131] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3135] <... futex resumed>)        = 0
[pid  3131] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3135] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3134] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3129] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3135] <... openat resumed>)       = 4
[pid  3134] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3131] <... futex resumed>)        = 0
[pid  3129] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3135] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3131] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3129] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3135] <... futex resumed>)        = 0
[pid  3131] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3135] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3134] <... mmap resumed>)         = 0x7fb4de009000
[pid  3133] <... futex resumed>)        = 0
[pid  3131] exit_group(0 <unfinished ...>
[pid  3129] <... futex resumed>)        = 1
[pid  3134] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3133] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3129] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3135] <... futex resumed>)        = ?
[pid  3134] <... mprotect resumed>)     = 0
[pid  3133] <... openat resumed>)       = 4
[pid  3131] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 3136 attached
[pid  3135] +++ exited with 0 +++
[pid  3134] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3133] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3131] +++ exited with 0 +++
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3136
[pid  3136] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3134] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3133] <... futex resumed>)        = 1
[pid  3136] <... set_robust_list resumed>) = 0
[pid  3134] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3133] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3129] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3131, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3136] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3136] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3137 attached
[pid  3136] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3129] exit_group(0 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3137] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3136] <... prctl resumed>)        = 0
[pid  3134] <... clone3 resumed> => {parent_tid=[3137]}, 88) = 3137
[pid  3133] <... futex resumed>)        = ?
[pid  3129] <... exit_group resumed>)   = ?
[pid  3137] <... set_robust_list resumed>) = 0
[pid  3136] setpgid(0, 0 <unfinished ...>
[pid  3134] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3133] +++ exited with 0 +++
[pid  3137] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3136] <... setpgid resumed>)      = 0
[pid  3137] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3137] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3136] <... openat resumed>)       = 3
[pid  3136] write(3, "1000", 4)         = 4
[pid  3129] +++ exited with 0 +++
[pid  3134] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3136] close(3 <unfinished ...>
[pid  3134] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3129, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3137] <... futex resumed>)        = 0
[pid  3136] <... close resumed>)        = 0
[pid  3134] <... futex resumed>)        = 1
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3137] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3136] write(1, "executing program\n", 18 <unfinished ...>
[pid  3134] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3136] <... write resumed>)        = 18
[pid  3137] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3136] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3137] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3136] <... futex resumed>)        = 0
[pid  3137] <... futex resumed>)        = 1
[pid  3136] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3134] <... futex resumed>)        = 0
executing program
[pid  3137] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3136] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3134] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3137] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3136] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3134] <... futex resumed>)        = 0
[pid  3136] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3137] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3137] <... futex resumed>)        = 0
[pid  3136] <... mmap resumed>)         = 0x7fb4de009000
[pid  3134] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable)
[pid  3137] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3136] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3134] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3137] <... openat resumed>)       = 3
[pid  3136] <... mprotect resumed>)     = 0
[pid  3134] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  3137] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3136] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3134] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3137] <... futex resumed>)        = 0
[pid  3136] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3134] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3134] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3137] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3136] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3134] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 3138 attached
 <unfinished ...>
[pid  3137] <... write resumed>)        = 2
[pid  3134] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3137] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3136] <... clone3 resumed> => {parent_tid=[3138]}, 88) = 3138
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3137] <... futex resumed>)        = 0
[pid  3136] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3138] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3137] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3136] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3134] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
ci2-android-6-12-rust/strace-static-x86_64: Process 3139 attached
[pid  3138] <... set_robust_list resumed>) = 0
[pid  3136] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3134] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3138] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3134] <... futex resumed>)        = 1
[pid  3138] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3134] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3136] <... futex resumed>)        = 0
[pid  3137] <... futex resumed>)        = 0
[pid  3137] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3136] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3137] <... openat resumed>)       = 4
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3139
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3137] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3139] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3137] <... futex resumed>)        = 1
[pid  3134] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3139] <... set_robust_list resumed>) = 0
[pid  3138] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3137] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3134] exit_group(0 <unfinished ...>
[pid  3139] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3138] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3137] <... futex resumed>)        = ?
[pid  3134] <... exit_group resumed>)   = ?
[pid  3139] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3138] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3137] +++ exited with 0 +++
[pid  3134] +++ exited with 0 +++
[pid  3138] <... futex resumed>)        = 1
[pid  3136] <... futex resumed>)        = 0
[pid  3138] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3136] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3138] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3136] <... futex resumed>)        = 0
[pid  3138] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3136] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3139] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3134, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3139] <... prctl resumed>)        = 0
[pid  3138] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3139] setpgid(0, 0 <unfinished ...>
[pid  3138] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3139] <... setpgid resumed>)      = 0
[pid  3138] <... futex resumed>)        = 1
[pid  3136] <... futex resumed>)        = 0
[pid  3138] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3136] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3138] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3136] <... futex resumed>)        = 0
[pid  3138] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3136] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  3139] <... openat resumed>)       = 3
[pid  3138] <... openat resumed>)       = 3
[pid  3139] write(3, "1000", 4 <unfinished ...>
[pid  3138] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3139] <... write resumed>)        = 4
[pid  3138] <... futex resumed>)        = 1
[pid  3136] <... futex resumed>)        = 0
[pid  3136] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3136] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3139] close(3)                    = 0
[pid  3139] write(1, "executing program\n", 18) = 18
[pid  3139] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3139] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  3139] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  3139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3138] write(3, "\x38\x00", 2 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3138] <... write resumed>)        = 2
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3138] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3138] <... futex resumed>)        = 1
[pid  3139] <... mmap resumed>)         = 0x7fb4de009000
[pid  3136] <... futex resumed>)        = 0
[pid  3139] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3136] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3139] <... mprotect resumed>)     = 0
[pid  3136] <... futex resumed>)        = 0
executing program
[pid  3139] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3136] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 3140 attached
 <unfinished ...>
[pid  3139] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3138] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3140] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3139] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 3141 attached
 <unfinished ...>
[pid  3140] <... set_robust_list resumed>) = 0
[pid  3138] <... openat resumed>)       = 4
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3140
[pid  3141] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3140] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3139] <... clone3 resumed> => {parent_tid=[3141]}, 88) = 3141
[pid  3138] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3141] <... set_robust_list resumed>) = 0
[pid  3140] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3139] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3141] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3140] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3139] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3138] <... futex resumed>)        = 1
[pid  3136] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3141] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3140] <... prctl resumed>)        = 0
[pid  3139] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3138] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3136] exit_group(0 <unfinished ...>
[pid  3141] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3140] setpgid(0, 0 <unfinished ...>
[pid  3139] <... futex resumed>)        = 0
[pid  3138] <... futex resumed>)        = ?
[pid  3136] <... exit_group resumed>)   = ?
[pid  3141] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3140] <... setpgid resumed>)      = 0
[pid  3139] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3138] +++ exited with 0 +++
[pid  3136] +++ exited with 0 +++
[pid  3141] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3139] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3141] <... futex resumed>)        = 0
[pid  3141] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3140] <... openat resumed>)       = 3
[pid  3139] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3136, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... restart_syscall resumed>) = 0
[pid  3139] <... futex resumed>)        = 0
[pid  3141] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3141] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3139] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3140] write(3, "1000", 4)         = 4
[pid  3141] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3140] close(3 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3141] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3140] <... close resumed>)        = 0
[pid  3141] <... futex resumed>)        = 1
[pid  3140] write(1, "executing program\n", 18 <unfinished ...>
[pid  3139] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
executing program
[pid  3141] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3140] <... write resumed>)        = 18
[pid  3139] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3141] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3140] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3139] <... futex resumed>)        = 0
[pid  3140] <... futex resumed>)        = 0
[pid  3139] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3140] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  3140] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  3140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 3142 attached
) = 0x7fb4de009000
[pid  3140] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3141] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3142] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3140] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3141] <... openat resumed>)       = 3
[pid  3142] <... set_robust_list resumed>) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3142
[pid  3141] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3140] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3139] <... futex resumed>)        = 0
[pid  3142] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3141] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3140] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3139] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 3143 attached
 <unfinished ...>
[pid  3142] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3141] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3139] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3141] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3140] <... clone3 resumed> => {parent_tid=[3143]}, 88) = 3143
[pid  3142] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3139] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3142] <... prctl resumed>)        = 0
[pid  3141] <... write resumed>)        = 2
[pid  3142] setpgid(0, 0 <unfinished ...>
[pid  3141] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3142] <... setpgid resumed>)      = 0
[pid  3141] <... futex resumed>)        = 0
[pid  3140] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3139] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3143] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3141] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3140] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3139] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3141] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3140] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3139] <... futex resumed>)        = 0
[pid  3141] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3140] <... futex resumed>)        = 0
[pid  3139] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3141] <... openat resumed>)       = 4
[pid  3140] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3143] <... set_robust_list resumed>) = 0
[pid  3141] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3143] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3141] <... futex resumed>)        = 1
[pid  3139] <... futex resumed>)        = 0
[pid  3142] <... openat resumed>)       = 3
[pid  3141] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3139] exit_group(0 <unfinished ...>
[pid  3143] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3141] <... futex resumed>)        = ?
[pid  3139] <... exit_group resumed>)   = ?
[pid  3143] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3142] write(3, "1000", 4 <unfinished ...>
[pid  3141] +++ exited with 0 +++
[pid  3139] +++ exited with 0 +++
[pid  3143] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3142] <... write resumed>)        = 4
[pid  3142] close(3)                    = 0
[pid  3142] write(1, "executing program\n", 18) = 18
[pid  3142] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3142] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
executing program
[pid  3143] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3139, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3143] <... futex resumed>)        = 1
[pid  3142] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3140] <... futex resumed>)        = 0
[pid  3143] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3142] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3140] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3143] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3142] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3140] <... futex resumed>)        = 0
[pid  3143] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3142] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3140] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3143] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3142] <... mmap resumed>)         = 0x7fb4de009000
[pid  3142] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3143] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3142] <... mprotect resumed>)     = 0
[pid  3140] <... futex resumed>)        = 0
[pid  3143] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3140] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3143] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3142] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3140] <... futex resumed>)        = 0
[pid  3143] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3140] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3142] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3142] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 3144 attached
 <unfinished ...>
[pid  3144] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3142] <... clone3 resumed> => {parent_tid=[3144]}, 88) = 3144
[pid  3144] <... set_robust_list resumed>) = 0
[pid  3142] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3144] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3142] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3144] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3142] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3144] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3142] <... futex resumed>)        = 0
[pid  3142] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3144] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3143] <... openat resumed>)       = 3
[pid  3144] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3142] <... futex resumed>)        = 0
[pid  3144] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3143] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3142] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3144] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3143] <... futex resumed>)        = 1
[pid  3142] <... futex resumed>)        = 0
[pid  3140] <... futex resumed>)        = 0
[pid  3144] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3143] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3142] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3140] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3143] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3144] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3143] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3140] <... futex resumed>)        = 0
[pid  3143] <... write resumed>)        = 2
[pid  3140] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3144] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3143] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3140] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3144] <... futex resumed>)        = 1
[pid  3143] <... futex resumed>)        = 0
[pid  3142] <... futex resumed>)        = 0
[pid  3140] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3144] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3142] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3143] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3140] <... futex resumed>)        = 0
[pid  3144] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3142] <... futex resumed>)        = 0
[pid  3140] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3144] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3143] <... openat resumed>)       = 4
[pid  3142] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3143] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3144] <... openat resumed>)       = 3
[pid  3143] <... futex resumed>)        = 1
[pid  3140] <... futex resumed>)        = 0
[pid  3144] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3143] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3140] exit_group(0 <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  3144] <... futex resumed>)        = 1
[pid  3143] <... futex resumed>)        = ?
[pid  3142] <... futex resumed>)        = 0
[pid  3140] <... exit_group resumed>)   = ?
[pid  3144] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3143] +++ exited with 0 +++
[pid  3142] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3144] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3142] <... futex resumed>)        = 0
[pid  3140] +++ exited with 0 +++
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3144] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3142] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3144] <... write resumed>)        = 2
[pid  3144] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3140, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3144] <... futex resumed>)        = 1
[pid  3142] <... futex resumed>)        = 0
[pid  3144] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3142] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3144] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3142] <... futex resumed>)        = 0
[pid  3144] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3142] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 3145 attached
 <unfinished ...>
[pid  3144] <... openat resumed>)       = 4
[pid  3145] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3144] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3145] <... set_robust_list resumed>) = 0
[pid  3144] <... futex resumed>)        = 1
[pid  3142] <... futex resumed>)        = 0
[pid  3145] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3144] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3142] exit_group(0 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3145
[pid  3145] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3144] <... futex resumed>)        = ?
[pid  3142] <... exit_group resumed>)   = ?
[pid  3145] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3144] +++ exited with 0 +++
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3145] <... prctl resumed>)        = 0
[pid  3142] +++ exited with 0 +++
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3142, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3145] setpgid(0, 0)               = 0
[pid  3145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3145] write(3, "1000", 4 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3145] <... write resumed>)        = 4
[pid  3145] close(3)                    = 0
[pid  3145] write(1, "executing program\n", 18 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3145] <... write resumed>)        = 18
executing program
[pid  3145] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3145] <... futex resumed>)        = 0
[pid  3145] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  3145] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  3145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  3145] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3145] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  3145] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 3146 attached
 <unfinished ...>
[pid  3146] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3145] <... clone3 resumed> => {parent_tid=[3147]}, 88) = 3147
[pid  3146] <... set_robust_list resumed>) = 0
[pid  3145] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3146] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3145] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3147 attached
[pid  3145] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3146] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3145] <... futex resumed>)        = 0
[pid  3146] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3145] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3146] <... prctl resumed>)        = 0
[pid  3146] setpgid(0, 0)               = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3148 attached
[pid  3147] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3148] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3147] <... set_robust_list resumed>) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3148
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3146
[pid  3148] <... set_robust_list resumed>) = 0
[pid  3147] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3148] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3147] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3146] <... openat resumed>)       = 3
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3148] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3147] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3146] write(3, "1000", 4)         = 4
[pid  3146] close(3)                    = 0
[pid  3146] write(1, "executing program\n", 18 <unfinished ...>
[pid  3148] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3147] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3148] <... prctl resumed>)        = 0
[pid  3147] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3148] setpgid(0, 0 <unfinished ...>
[pid  3147] <... futex resumed>)        = 1
[pid  3146] <... write resumed>)        = 18
executing program
[pid  3145] <... futex resumed>)        = 0
[pid  3148] <... setpgid resumed>)      = 0
[pid  3147] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3146] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3145] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3146] <... futex resumed>)        = 0
[pid  3145] <... futex resumed>)        = 0
[pid  3148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3147] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3146] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3145] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3147] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3146] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3146] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  3146] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3147] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3146] <... mmap resumed>)         = 0x7fb4de009000
[pid  3147] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3148] <... openat resumed>)       = 3
[pid  3147] <... futex resumed>)        = 1
[pid  3145] <... futex resumed>)        = 0
[pid  3146] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3145] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3146] <... mprotect resumed>)     = 0
[pid  3145] <... futex resumed>)        = 0
[pid  3146] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3145] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3148] write(3, "1000", 4 <unfinished ...>
[pid  3147] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3148] <... write resumed>)        = 4
[pid  3148] close(3 <unfinished ...>
[pid  3147] <... openat resumed>)       = 3
[pid  3146] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3148] <... close resumed>)        = 0
[pid  3147] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3146] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3148] write(1, "executing program\n", 18 <unfinished ...>
[pid  3147] <... futex resumed>)        = 1
[pid  3145] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3149 attached
[pid  3148] <... write resumed>)        = 18
[pid  3147] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3146] <... clone3 resumed> => {parent_tid=[3149]}, 88) = 3149
[pid  3145] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3149] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
executing program
[pid  3148] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3147] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3146] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3145] <... futex resumed>)        = 0
[pid  3149] <... set_robust_list resumed>) = 0
[pid  3148] <... futex resumed>)        = 0
[pid  3147] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3146] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3145] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  3149] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3148] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3147] <... write resumed>)        = 2
[pid  3146] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3149] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3148] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3147] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3149] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3146] <... futex resumed>)        = 0
[pid  3149] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3146] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3149] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3148] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3147] <... futex resumed>)        = 1
[pid  3146] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3145] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3149] <... futex resumed>)        = 0
[pid  3148] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3147] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3146] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3149] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3146] <... futex resumed>)        = 0
[pid  3145] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3149] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3148] <... mmap resumed>)         = 0x7fb4de009000
[pid  3147] <... futex resumed>)        = 0
[pid  3146] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3145] <... futex resumed>)        = 1
[pid  3147] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3145] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3147] <... openat resumed>)       = 4
[pid  3147] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 3150 attached
 <unfinished ...>
[pid  3149] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3148] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3147] <... futex resumed>)        = 1
[pid  3145] <... futex resumed>)        = 0
[pid  3150] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3149] <... futex resumed>)        = 1
[pid  3148] <... mprotect resumed>)     = 0
[pid  3147] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3146] <... futex resumed>)        = 0
[pid  3145] exit_group(0 <unfinished ...>
[pid  3150] <... set_robust_list resumed>) = 0
[pid  3149] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3146] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3150
[pid  3150] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3149] <... openat resumed>)       = 3
[pid  3148] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3147] <... futex resumed>)        = ?
[pid  3146] <... futex resumed>)        = 0
[pid  3145] <... exit_group resumed>)   = ?
[pid  3150] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3149] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3148] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3147] +++ exited with 0 +++
[pid  3146] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3145] +++ exited with 0 +++
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3150] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3149] <... futex resumed>)        = 0
[pid  3148] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3146] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3150] <... prctl resumed>)        = 0
[pid  3149] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3146] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3150] setpgid(0, 0 <unfinished ...>
[pid  3146] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3151 attached
[pid  3150] <... setpgid resumed>)      = 0
[pid  3149] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3146] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3145, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3151] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3149] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3148] <... clone3 resumed> => {parent_tid=[3151]}, 88) = 3151
[pid  3151] <... set_robust_list resumed>) = 0
[pid  3149] <... write resumed>)        = 2
[pid  3148] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3149] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3148] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3149] <... futex resumed>)        = 1
[pid  3149] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3148] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3148] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3148] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3151] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3150] <... openat resumed>)       = 3
[pid  3146] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3151] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3150] write(3, "1000", 4 <unfinished ...>
[pid  3146] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3151] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3150] <... write resumed>)        = 4
[pid  3146] <... futex resumed>)        = 1
[pid  3151] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3150] close(3 <unfinished ...>
[pid  3146] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3151] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3150] <... close resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3152 attached
[pid  3151] <... futex resumed>)        = 1
executing program
[pid  3150] write(1, "executing program\n", 18 <unfinished ...>
[pid  3149] <... futex resumed>)        = 0
[pid  3148] <... futex resumed>)        = 0
[pid  3152] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3151] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3150] <... write resumed>)        = 18
[pid  3149] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3148] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3152] <... set_robust_list resumed>) = 0
[pid  3151] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3150] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3152] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3151] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3148] <... futex resumed>)        = 0
[pid  3152] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3151] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3150] <... futex resumed>)        = 0
[pid  3149] <... openat resumed>)       = 4
[pid  3148] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3152
[pid  3152] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3151] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3150] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3149] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3148] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3152] <... prctl resumed>)        = 0
[pid  3151] <... futex resumed>)        = 0
[pid  3150] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3148] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3152] setpgid(0, 0 <unfinished ...>
[pid  3151] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3150] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3149] <... futex resumed>)        = 1
[pid  3148] <... futex resumed>)        = 0
[pid  3146] <... futex resumed>)        = 0
[pid  3152] <... setpgid resumed>)      = 0
[pid  3151] <... openat resumed>)       = 3
[pid  3150] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3151] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3149] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3148] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3146] exit_group(0 <unfinished ...>
[pid  3152] <... openat resumed>)       = 3
[pid  3151] <... futex resumed>)        = 0
[pid  3150] <... mmap resumed>)         = 0x7fb4de009000
executing program
[pid  3148] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3146] <... exit_group resumed>)   = ?
[pid  3149] <... futex resumed>)        = ?
[pid  3148] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3149] +++ exited with 0 +++
[pid  3148] <... futex resumed>)        = 0
[pid  3152] write(3, "1000", 4 <unfinished ...>
[pid  3151] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3150] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3152] <... write resumed>)        = 4
[pid  3151] <... write resumed>)        = 2
[pid  3150] <... mprotect resumed>)     = 0
[pid  3148] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3152] close(3 <unfinished ...>
[pid  3151] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3150] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3152] <... close resumed>)        = 0
[pid  3151] <... futex resumed>)        = 0
[pid  3152] write(1, "executing program\n", 18 <unfinished ...>
[pid  3151] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3150] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3152] <... write resumed>)        = 18
[pid  3150] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3146] +++ exited with 0 +++
[pid  3152] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3148] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3152] <... futex resumed>)        = 0
[pid  3152] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}ci2-android-6-12-rust/strace-static-x86_64: Process 3153 attached
, NULL, 8) = 0
[pid  3150] <... clone3 resumed> => {parent_tid=[3153]}, 88) = 3153
[pid  3148] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3146, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3153] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3152] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3151] <... futex resumed>)        = 0
[pid  3150] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3148] <... futex resumed>)        = 1
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3153] <... set_robust_list resumed>) = 0
[pid  3152] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3151] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3148] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3153] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  3152] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3151] <... openat resumed>)       = 4
[pid  3150] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3152] <... mmap resumed>)         = 0x7fb4de009000
[pid  3151] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3150] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3152] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3151] <... futex resumed>)        = 1
[pid  3150] <... futex resumed>)        = 0
[pid  3152] <... mprotect resumed>)     = 0
[pid  3151] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3150] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3152] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  3152] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3153] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3148] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3154 attached
[pid  3153] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3148] exit_group(0 <unfinished ...>
[pid  3153] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3154] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3152] <... clone3 resumed> => {parent_tid=[3154]}, 88) = 3154
[pid  3151] <... futex resumed>)        = ?
[pid  3148] <... exit_group resumed>)   = ?
[pid  3154] <... set_robust_list resumed>) = 0
[pid  3152] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3151] +++ exited with 0 +++
[pid  3150] <... futex resumed>)        = 0
[pid  3154] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3152] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3150] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3154] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3152] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3150] <... futex resumed>)        = 0
[pid  3154] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3152] <... futex resumed>)        = 0
[pid  3150] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3152] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3154] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3154] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3152] <... futex resumed>)        = 0
[pid  3154] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3152] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3148] +++ exited with 0 +++
[pid  3154] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3153] <... futex resumed>)        = 1
[pid  3152] <... futex resumed>)        = 0
[pid  3153] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3148, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3154] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3152] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3154] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3153] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3154] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3153] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3154] <... futex resumed>)        = 1
[pid  3153] <... futex resumed>)        = 1
[pid  3152] <... futex resumed>)        = 0
[pid  3150] <... futex resumed>)        = 0
[pid  3154] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3152] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3150] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3154] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3152] <... futex resumed>)        = 0
[pid  3154] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3152] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3150] <... futex resumed>)        = 0
[pid  3154] <... openat resumed>)       = 3
[pid  3153] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3150] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3154] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3153] <... openat resumed>)       = 3
[pid  3152] <... futex resumed>)        = 0
[pid  3153] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3154] <... futex resumed>)        = 1
[pid  3153] <... futex resumed>)        = 1
[pid  3152] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3150] <... futex resumed>)        = 0
[pid  3154] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3153] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3152] <... futex resumed>)        = 0
[pid  3150] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3154] <... write resumed>)        = 2
[pid  3153] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3152] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3150] <... futex resumed>)        = 0
[pid  3154] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3153] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3152] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3150] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3154] <... futex resumed>)        = 0
[pid  3152] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3153] <... write resumed>)        = 2
[pid  3154] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3153] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3152] <... futex resumed>)        = 0
[pid  3154] <... openat resumed>)       = 4
[pid  3153] <... futex resumed>)        = 1
[pid  3152] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3150] <... futex resumed>)        = 0
[pid  3153] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3154] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3150] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3154] <... futex resumed>)        = 1
[pid  3153] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3152] <... futex resumed>)        = 0
[pid  3150] <... futex resumed>)        = 0
[pid  3154] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3153] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3152] exit_group(0 <unfinished ...>
[pid  3150] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3154] <... futex resumed>)        = ?
[pid  3152] <... exit_group resumed>)   = ?
[pid  3154] +++ exited with 0 +++
[pid  3153] <... openat resumed>)       = 4
[pid  3152] +++ exited with 0 +++
[pid  3153] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3150] <... futex resumed>)        = 0
[pid  3153] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3152, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3150] exit_group(0 <unfinished ...>
[pid  3153] <... futex resumed>)        = ?
[pid  3150] <... exit_group resumed>)   = ?
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3153] +++ exited with 0 +++
[pid   315] <... restart_syscall resumed>) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  3150] +++ exited with 0 +++
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3155 attached
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3150, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   312] <... restart_syscall resumed>) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3155
[pid  3155] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3155] <... set_robust_list resumed>) = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3155] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3155] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3155] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3155] setpgid(0, 0)               = 0
[pid  3155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-12-rust/strace-static-x86_64: Process 3156 attached
) = 3
[pid  3156] set_robust_list(0x55557716c6a0, 24) = 0
[pid  3156] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3155] write(3, "1000", 4)         = 4
[pid  3156] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3155] close(3 <unfinished ...>
[pid  3156] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3155] <... close resumed>)        = 0
[pid  3155] write(1, "executing program\n", 18 <unfinished ...>
[pid  3156] <... prctl resumed>)        = 0
[pid  3156] setpgid(0, 0 <unfinished ...>
[pid  3155] <... write resumed>)        = 18
[pid  3156] <... setpgid resumed>)      = 0
[pid  3156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
executing program
[pid  3155] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 3157 attached
 <unfinished ...>
[pid  3156] <... openat resumed>)       = 3
[pid  3155] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3157
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3156
[pid  3157] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3157] <... set_robust_list resumed>) = 0
[pid  3156] write(3, "1000", 4 <unfinished ...>
[pid  3155] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3157] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3156] <... write resumed>)        = 4
[pid  3155] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3157] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3156] close(3 <unfinished ...>
[pid  3155] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 3158 attached
 <unfinished ...>
[pid  3157] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3156] <... close resumed>)        = 0
[pid  3155] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3157] <... prctl resumed>)        = 0
[pid  3156] write(1, "executing program\n", 18 <unfinished ...>
[pid  3155] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
executing program
[pid  3157] setpgid(0, 0 <unfinished ...>
[pid  3156] <... write resumed>)        = 18
[pid  3155] <... mmap resumed>)         = 0x7fb4de009000
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3158] set_robust_list(0x55557716c6a0, 24) = 0
[pid  3157] <... setpgid resumed>)      = 0
[pid  3156] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3155] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3158
[pid  3157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3158] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3156] <... futex resumed>)        = 0
[pid  3155] <... mprotect resumed>)     = 0
[pid  3158] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3156] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3158] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3157] <... openat resumed>)       = 3
[pid  3156] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3155] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3156] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3158] <... prctl resumed>)        = 0
[pid  3157] write(3, "1000", 4 <unfinished ...>
[pid  3156] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3155] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3157] <... write resumed>)        = 4
[pid  3156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3155] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 3159 attached
 <unfinished ...>
[pid  3158] setpgid(0, 0 <unfinished ...>
[pid  3157] close(3 <unfinished ...>
[pid  3156] <... mmap resumed>)         = 0x7fb4de009000
[pid  3158] <... setpgid resumed>)      = 0
[pid  3157] <... close resumed>)        = 0
[pid  3156] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3155] <... clone3 resumed> => {parent_tid=[3159]}, 88) = 3159
[pid  3159] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3157] write(1, "executing program\n", 18 <unfinished ...>
[pid  3156] <... mprotect resumed>)     = 0
[pid  3155] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3159] <... set_robust_list resumed>) = 0
executing program
[pid  3159] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3158] <... openat resumed>)       = 3
[pid  3157] <... write resumed>)        = 18
[pid  3156] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3155] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3159] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3157] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3156] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3155] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3157] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3156] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3155] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3160 attached
[pid  3157] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3155] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3160] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3158] write(3, "1000", 4 <unfinished ...>
[pid  3157] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3156] <... clone3 resumed> => {parent_tid=[3160]}, 88) = 3160
[pid  3160] <... set_robust_list resumed>) = 0
[pid  3157] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3156] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3160] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3159] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3158] <... write resumed>)        = 4
[pid  3157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3159] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3158] close(3 <unfinished ...>
[pid  3159] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3158] <... close resumed>)        = 0
[pid  3160] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3157] <... mmap resumed>)         = 0x7fb4de009000
[pid  3156] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3155] <... futex resumed>)        = 0
[pid  3160] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3158] write(1, "executing program\n", 18 <unfinished ...>
[pid  3157] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3156] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  3155] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3160] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3159] <... futex resumed>)        = 1
[pid  3158] <... write resumed>)        = 18
[pid  3157] <... mprotect resumed>)     = 0
[pid  3156] <... futex resumed>)        = 0
[pid  3155] <... futex resumed>)        = 0
[pid  3160] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3159] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3158] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3157] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3156] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3155] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3160] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3159] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3158] <... futex resumed>)        = 0
[pid  3157] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3160] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3158] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3157] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3158] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3160] <... futex resumed>)        = 1
[pid  3159] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3158] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3156] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3161 attached
[pid  3160] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3159] <... futex resumed>)        = 1
[pid  3158] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3155] <... futex resumed>)        = 0
[pid  3161] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3160] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3159] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3157] <... clone3 resumed> => {parent_tid=[3161]}, 88) = 3161
[pid  3156] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3155] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3161] <... set_robust_list resumed>) = 0
[pid  3160] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3159] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3158] <... mmap resumed>)         = 0x7fb4de009000
[pid  3157] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3156] <... futex resumed>)        = 0
[pid  3155] <... futex resumed>)        = 0
[pid  3161] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3160] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3159] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3158] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3157] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3156] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3155] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3161] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3160] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3159] <... openat resumed>)       = 3
[pid  3158] <... mprotect resumed>)     = 0
[pid  3157] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3161] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3160] <... futex resumed>)        = 1
[pid  3159] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3157] <... futex resumed>)        = 0
[pid  3156] <... futex resumed>)        = 0
[pid  3161] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3160] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3159] <... futex resumed>)        = 1
[pid  3158] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3157] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3156] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3155] <... futex resumed>)        = 0
[pid  3161] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3160] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3159] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3157] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3156] <... futex resumed>)        = 0
[pid  3155] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3160] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3158] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3157] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3156] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3155] <... futex resumed>)        = 0
[pid  3161] <... futex resumed>)        = 0
[pid  3159] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3158] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3161] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3159] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3160] <... openat resumed>)       = 3
[pid  3159] <... write resumed>)        = 2
[pid  3157] <... futex resumed>)        = 0
[pid  3155] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 3162 attached
 <unfinished ...>
[pid  3161] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3160] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3159] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3157] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3155] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3162] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3161] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3160] <... futex resumed>)        = 1
[pid  3159] <... futex resumed>)        = 0
[pid  3158] <... clone3 resumed> => {parent_tid=[3162]}, 88) = 3162
[pid  3156] <... futex resumed>)        = 0
[pid  3155] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3162] <... set_robust_list resumed>) = 0
[pid  3161] <... futex resumed>)        = 1
[pid  3160] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3159] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3158] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3157] <... futex resumed>)        = 0
[pid  3156] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3155] <... futex resumed>)        = 0
[pid  3162] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3161] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3160] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3158] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3157] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3156] <... futex resumed>)        = 0
[pid  3155] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3162] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3161] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3160] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3159] <... openat resumed>)       = 4
[pid  3158] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3157] <... futex resumed>)        = 0
[pid  3156] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3162] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3161] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3160] <... write resumed>)        = 2
[pid  3159] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3158] <... futex resumed>)        = 0
[pid  3157] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3162] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3161] <... openat resumed>)       = 3
[pid  3160] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3159] <... futex resumed>)        = 1
[pid  3158] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3155] <... futex resumed>)        = 0
[pid  3162] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3161] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3160] <... futex resumed>)        = 1
[pid  3159] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3158] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3156] <... futex resumed>)        = 0
[pid  3155] exit_group(0 <unfinished ...>
[pid  3162] <... futex resumed>)        = 0
[pid  3160] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3158] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3157] <... futex resumed>)        = 0
[pid  3161] <... futex resumed>)        = 1
[pid  3156] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3162] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3161] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3160] <... openat resumed>)       = 4
[pid  3158] <... futex resumed>)        = 0
[pid  3157] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3156] <... futex resumed>)        = 0
[pid  3155] <... exit_group resumed>)   = ?
[pid  3162] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3161] <... write resumed>)        = 2
[pid  3160] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3159] <... futex resumed>)        = ?
[pid  3158] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3157] <... futex resumed>)        = 0
[pid  3156] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3161] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3157] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3161] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3157] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3162] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3160] <... futex resumed>)        = 0
[pid  3156] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3162] <... futex resumed>)        = 1
[pid  3160] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3156] exit_group(0 <unfinished ...>
[pid  3162] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3160] <... futex resumed>)        = ?
[pid  3159] +++ exited with 0 +++
[pid  3156] <... exit_group resumed>)   = ?
[pid  3155] +++ exited with 0 +++
[pid  3158] <... futex resumed>)        = 0
[pid  3157] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3161] <... futex resumed>)        = 0
[pid  3160] +++ exited with 0 +++
[pid  3158] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3157] <... futex resumed>)        = 1
[pid  3156] +++ exited with 0 +++
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3155, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3162] <... futex resumed>)        = 0
[pid  3161] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3158] <... futex resumed>)        = 1
[pid  3157] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3162] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3156, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3162] <... openat resumed>)       = 3
[pid  3161] <... openat resumed>)       = 4
[pid  3158] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3162] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3161] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3158] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3162] <... futex resumed>)        = 0
[pid  3162] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3161] <... futex resumed>)        = 1
[pid  3158] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3157] <... futex resumed>)        = 0
[pid  3162] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3161] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3158] <... futex resumed>)        = 0
[pid  3162] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3158] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3157] exit_group(0 <unfinished ...>
[pid  3162] <... write resumed>)        = 2
[pid  3162] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3161] <... futex resumed>)        = ?
[pid  3158] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3157] <... exit_group resumed>)   = ?
[pid  3162] <... futex resumed>)        = 0
[pid  3158] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3162] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid  3158] <... futex resumed>)        = 0
[pid  3162] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3162] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3161] +++ exited with 0 +++
[pid  3158] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3157] +++ exited with 0 +++
[pid  3158] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3158] exit_group(0 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3157, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3162] <... futex resumed>)        = ?
[pid  3158] <... exit_group resumed>)   = ?
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3162] +++ exited with 0 +++
[pid  3158] +++ exited with 0 +++
[pid   315] <... restart_syscall resumed>) = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3158, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 3163 attached
 <unfinished ...>
[pid  3163] set_robust_list(0x55557716c6a0, 24) = 0
[pid  3163] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3163
[pid  3163] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  3163] setpgid(0, 0)               = 0
[pid  3163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3163] write(3, "1000", 4)         = 4
[pid  3163] close(3)                    = 0
[pid  3163] write(1, "executing program\n", 18) = 18
executing program
[pid  3163] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3163] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  3163] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3163] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  3163] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3163] <... mmap resumed>)         = 0x7fb4de009000
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3163] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3163] <... mprotect resumed>)     = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3164 attached
[pid  3164] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3163] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  3164] <... set_robust_list resumed>) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3164
[pid  3163] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3164] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3163] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3164] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3165 attached
[pid  3163] <... clone3 resumed> => {parent_tid=[3165]}, 88) = 3165
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3165] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3163] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3165] <... set_robust_list resumed>) = 0
[pid  3164] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3163] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3165] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3163] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  3165] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3163] <... futex resumed>)        = 0
[pid  3165] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3164] <... prctl resumed>)        = 0
[pid  3163] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3165] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3164] setpgid(0, 0 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3165] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3164] <... setpgid resumed>)      = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3165] <... futex resumed>)        = 1
[pid  3164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3163] <... futex resumed>)        = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 3167 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 3166 attached
 <unfinished ...>
[pid  3165] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3164] <... openat resumed>)       = 3
[pid  3163] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3167] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3165] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3163] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3167
[pid  3167] <... set_robust_list resumed>) = 0
[pid  3165] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3163] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3167] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3166] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3165] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3164] write(3, "1000", 4 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3167] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3166] <... set_robust_list resumed>) = 0
[pid  3164] <... write resumed>)        = 4
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3166
[pid  3167] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3165] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3166] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3164] close(3 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3166] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3164] <... close resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3167] <... prctl resumed>)        = 0
[pid  3165] <... futex resumed>)        = 1
[pid  3163] <... futex resumed>)        = 0
[pid  3167] setpgid(0, 0 <unfinished ...>
[pid  3166] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3165] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3164] write(1, "executing program\n", 18 <unfinished ...>
[pid  3163] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3167] <... setpgid resumed>)      = 0
[pid  3165] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3163] <... futex resumed>)        = 0
[pid  3167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
executing program
[pid  3165] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3164] <... write resumed>)        = 18
[pid  3163] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3167] <... openat resumed>)       = 3
[pid  3166] <... prctl resumed>)        = 0
[pid  3165] <... openat resumed>)       = 3
[pid  3164] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3166] setpgid(0, 0 <unfinished ...>
[pid  3164] <... futex resumed>)        = 0
[pid  3166] <... setpgid resumed>)      = 0
[pid  3167] write(3, "1000", 4 <unfinished ...>
[pid  3165] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3167] <... write resumed>)        = 4
[pid  3165] <... futex resumed>)        = 1
[pid  3163] <... futex resumed>)        = 0
[pid  3167] close(3 <unfinished ...>
[pid  3165] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3163] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3167] <... close resumed>)        = 0
[pid  3165] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3163] <... futex resumed>)        = 0
[pid  3167] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  3165] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3163] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3167] <... write resumed>)        = 18
[pid  3165] <... write resumed>)        = 2
[pid  3167] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3165] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3167] <... futex resumed>)        = 0
[pid  3165] <... futex resumed>)        = 1
[pid  3163] <... futex resumed>)        = 0
[pid  3167] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3165] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3163] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3167] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3165] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3163] <... futex resumed>)        = 0
[pid  3167] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3165] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3163] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3167] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3165] <... openat resumed>)       = 4
[pid  3167] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  3165] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3163] <... futex resumed>)        = 0
[pid  3163] exit_group(0 <unfinished ...>
[pid  3167] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3165] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3167] <... mprotect resumed>)     = 0
[pid  3165] +++ exited with 0 +++
[pid  3163] <... exit_group resumed>)   = ?
[pid  3166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3164] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3167] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3166] <... openat resumed>)       = 3
[pid  3164] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3163] +++ exited with 0 +++
[pid  3167] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3166] write(3, "1000", 4 <unfinished ...>
[pid  3164] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3166] <... write resumed>)        = 4
[pid  3164] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3166] close(3 <unfinished ...>
[pid  3164] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3166] <... close resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3163, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3166] write(1, "executing program\n", 18 <unfinished ...>
[pid  3164] <... mmap resumed>)         = 0x7fb4de009000
executing program
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3166] <... write resumed>)        = 18
[pid  3164] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3166] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3167] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3166] <... futex resumed>)        = 0
[pid  3164] <... mprotect resumed>)     = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3166] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3167] <... clone3 resumed> => {parent_tid=[3168]}, 88) = 3168
[pid  3164] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3167] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  3167] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3167] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 3169 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 3168 attached
 <unfinished ...>
[pid  3166] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3164] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3169] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3166] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3164] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3169
[pid  3168] set_robust_list(0x7fb4de0299a0, 24ci2-android-6-12-rust/strace-static-x86_64: Process 3170 attached
 <unfinished ...>
[pid  3166] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3164] <... clone3 resumed> => {parent_tid=[3170]}, 88) = 3170
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3169] <... set_robust_list resumed>) = 0
[pid  3168] <... set_robust_list resumed>) = 0
[pid  3166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3169] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3168] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3169] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3168] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3166] <... mmap resumed>)         = 0x7fb4de009000
[pid  3164] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3170] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3169] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3168] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3166] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3164] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3170] <... set_robust_list resumed>) = 0
[pid  3169] <... prctl resumed>)        = 0
[pid  3168] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3170] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3169] setpgid(0, 0 <unfinished ...>
[pid  3166] <... mprotect resumed>)     = 0
[pid  3164] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3170] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3169] <... setpgid resumed>)      = 0
[pid  3168] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3164] <... futex resumed>)        = 0
[pid  3170] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3166] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3170] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3168] <... futex resumed>)        = 1
[pid  3167] <... futex resumed>)        = 0
[pid  3164] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3170] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3167] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3170] <... futex resumed>)        = 0
[pid  3168] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3167] <... futex resumed>)        = 0
[pid  3166] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3164] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3170] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3167] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3164] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3170] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3164] <... futex resumed>)        = 0
[pid  3170] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3168] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3166] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3164] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3170] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3169] <... openat resumed>)       = 3
[pid  3168] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3170] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 3171 attached
) = 0
[pid  3169] write(3, "1000", 4 <unfinished ...>
[pid  3168] <... futex resumed>)        = 1
[pid  3167] <... futex resumed>)        = 0
[pid  3164] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3171] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3170] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3169] <... write resumed>)        = 4
[pid  3168] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3167] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3171] <... set_robust_list resumed>) = 0
[pid  3167] <... futex resumed>)        = 0
[pid  3171] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3167] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3171] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3171] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3166] <... clone3 resumed> => {parent_tid=[3171]}, 88) = 3171
[pid  3166] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  3166] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3171] <... futex resumed>)        = 0
[pid  3171] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3166] <... futex resumed>)        = 1
[pid  3169] close(3 <unfinished ...>
[pid  3168] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3164] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3169] <... close resumed>)        = 0
[pid  3168] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3171] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3170] <... futex resumed>)        = 0
[pid  3166] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3164] <... futex resumed>)        = 1
[pid  3171] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3170] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3169] write(1, "executing program\n", 18 <unfinished ...>
[pid  3168] <... openat resumed>)       = 3
[pid  3166] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3171] <... futex resumed>)        = 0
[pid  3170] <... openat resumed>)       = 3
executing program
[pid  3168] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3166] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3164] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3171] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3170] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3169] <... write resumed>)        = 18
[pid  3168] <... futex resumed>)        = 1
[pid  3167] <... futex resumed>)        = 0
[pid  3166] <... futex resumed>)        = 0
[pid  3164] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3171] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3170] <... futex resumed>)        = 0
[pid  3168] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3167] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3166] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3164] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3169] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3171] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3170] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3168] <... write resumed>)        = 2
[pid  3167] <... futex resumed>)        = 0
[pid  3169] <... futex resumed>)        = 0
[pid  3171] <... futex resumed>)        = 1
[pid  3170] <... write resumed>)        = 2
[pid  3169] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3168] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3167] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3166] <... futex resumed>)        = 0
[pid  3164] <... futex resumed>)        = 0
[pid  3171] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3170] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3169] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3168] <... futex resumed>)        = 0
[pid  3167] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3166] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3171] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3170] <... futex resumed>)        = 0
[pid  3169] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3168] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3167] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3164] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3171] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3170] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3169] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3168] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3167] <... futex resumed>)        = 0
[pid  3166] <... futex resumed>)        = 0
[pid  3164] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3171] <... openat resumed>)       = 3
[pid  3168] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3167] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3166] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3164] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3171] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3170] <... futex resumed>)        = 0
[pid  3168] <... openat resumed>)       = 4
[pid  3166] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3164] <... futex resumed>)        = 1
[pid  3171] <... futex resumed>)        = 0
[pid  3170] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3169] <... mmap resumed>)         = 0x7fb4de009000
[pid  3168] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3166] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3171] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3170] <... openat resumed>)       = 4
[pid  3169] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3168] <... futex resumed>)        = 1
[pid  3167] <... futex resumed>)        = 0
[pid  3166] <... futex resumed>)        = 0
[pid  3164] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3171] <... write resumed>)        = 2
[pid  3170] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3168] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3167] exit_group(0 <unfinished ...>
[pid  3166] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3164] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3171] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3169] <... mprotect resumed>)     = 0
[pid  3171] <... futex resumed>)        = 0
[pid  3170] <... futex resumed>)        = 0
[pid  3168] <... futex resumed>)        = ?
[pid  3167] <... exit_group resumed>)   = ?
[pid  3166] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3164] exit_group(0 <unfinished ...>
[pid  3171] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3169] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3168] +++ exited with 0 +++
[pid  3167] +++ exited with 0 +++
[pid  3166] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3164] <... exit_group resumed>)   = ?
[pid  3171] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3170] +++ exited with 0 +++
[pid  3166] <... futex resumed>)        = 0
[pid  3171] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3166] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3167, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3171] <... openat resumed>)       = 4
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3171] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3166] <... futex resumed>)        = 0
[pid  3171] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3166] exit_group(0 <unfinished ...>
[pid  3171] <... futex resumed>)        = ?
[pid  3166] <... exit_group resumed>)   = ?
[pid  3171] +++ exited with 0 +++
[pid  3169] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3166] +++ exited with 0 +++
[pid  3164] +++ exited with 0 +++
[pid  3169] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3166, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3164, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 3172 attached
 <unfinished ...>
[pid  3172] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3169] <... clone3 resumed> => {parent_tid=[3172]}, 88) = 3172
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3169] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3169] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3169] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3172] <... set_robust_list resumed>) = 0
[pid  3169] <... futex resumed>)        = 0
[pid  3172] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  3172] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  3172] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 3173 attached
) = 0
[pid  3172] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3173] set_robust_list(0x55557716c6a0, 24) = 0
[pid  3173] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3169] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3173
[pid  3173] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3173] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3169] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3169] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3173] <... prctl resumed>)        = 0
[pid  3172] <... futex resumed>)        = 0
[pid  3169] <... futex resumed>)        = 1
[pid   313] <... restart_syscall resumed>) = 0
[pid  3173] setpgid(0, 0 <unfinished ...>
[pid  3172] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3169] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3173] <... setpgid resumed>)      = 0
[pid  3172] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3172] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3173] <... openat resumed>)       = 3
[pid  3172] <... futex resumed>)        = 1
[pid  3169] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3169] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3172] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3169] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3173] write(3, "1000", 4 <unfinished ...>
[pid  3172] <... openat resumed>)       = 3
[pid  3169] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3173] <... write resumed>)        = 4
[pid  3172] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 3174 attached
 <unfinished ...>
[pid  3173] close(3 <unfinished ...>
[pid  3172] <... futex resumed>)        = 1
[pid  3169] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  3169] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3173] <... close resumed>)        = 0
[pid  3172] write(3, "\x38\x00", 2)     = 2
[pid  3169] <... futex resumed>)        = 0
[pid  3174] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3169] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3174] <... set_robust_list resumed>) = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3174] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3173] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  3172] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3174
[pid  3174] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3173] <... write resumed>)        = 18
[pid  3172] <... futex resumed>)        = 1
[pid  3169] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3173] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3172] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3173] <... futex resumed>)        = 0
[pid  3173] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3175 attached
[pid  3173] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3175] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3173] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3175] <... set_robust_list resumed>) = 0
[pid  3173] <... mmap resumed>)         = 0x7fb4de009000
[pid  3175] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3173] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3175] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3173] <... mprotect resumed>)     = 0
[pid  3175] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3173] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3174] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3169] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3174] <... prctl resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3175
[pid  3175] <... prctl resumed>)        = 0
[pid  3173] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3174] setpgid(0, 0 <unfinished ...>
[pid  3172] <... futex resumed>)        = 0
[pid  3169] <... futex resumed>)        = 1
[pid  3175] setpgid(0, 0 <unfinished ...>
[pid  3174] <... setpgid resumed>)      = 0
[pid  3173] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3172] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 3176 attached
 <unfinished ...>
[pid  3175] <... setpgid resumed>)      = 0
[pid  3174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3172] <... openat resumed>)       = 4
[pid  3169] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3176] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3174] <... openat resumed>)       = 3
[pid  3173] <... clone3 resumed> => {parent_tid=[3176]}, 88) = 3176
[pid  3172] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3176] <... set_robust_list resumed>) = 0
[pid  3175] <... openat resumed>)       = 3
[pid  3174] write(3, "1000", 4 <unfinished ...>
[pid  3173] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3172] <... futex resumed>)        = 1
[pid  3169] <... futex resumed>)        = 0
[pid  3176] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3175] write(3, "1000", 4 <unfinished ...>
[pid  3174] <... write resumed>)        = 4
[pid  3173] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3172] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3176] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3175] <... write resumed>)        = 4
[pid  3174] close(3 <unfinished ...>
[pid  3173] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3169] exit_group(0 <unfinished ...>
[pid  3176] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3175] close(3 <unfinished ...>
[pid  3174] <... close resumed>)        = 0
[pid  3173] <... futex resumed>)        = 0
[pid  3176] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3175] <... close resumed>)        = 0
[pid  3174] write(1, "executing program\n", 18 <unfinished ...>
[pid  3173] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3172] <... futex resumed>)        = ?
[pid  3169] <... exit_group resumed>)   = ?
[pid  3176] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3175] write(1, "executing program\n", 18 <unfinished ...>
[pid  3174] <... write resumed>)        = 18
[pid  3173] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3172] +++ exited with 0 +++
executing program
[pid  3175] <... write resumed>)        = 18
[pid  3173] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
executing program
[pid  3175] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3173] <... futex resumed>)        = 0
[pid  3175] <... futex resumed>)        = 0
[pid  3173] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3169] +++ exited with 0 +++
[pid  3176] <... futex resumed>)        = 0
[pid  3174] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3176] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3175] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3174] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3169, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  3175] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3176] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3176] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3175] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3174] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3176] <... futex resumed>)        = 1
[pid  3175] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3173] <... futex resumed>)        = 0
[pid  3176] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3175] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3174] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3175] <... mmap resumed>)         = 0x7fb4de009000
[pid  3174] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3173] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3176] <... futex resumed>)        = 0
[pid  3175] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3174] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3173] <... futex resumed>)        = 1
[pid  3176] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3175] <... mprotect resumed>)     = 0
[pid  3174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3173] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3176] <... openat resumed>)       = 3
[pid  3176] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3175] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3174] <... mmap resumed>)         = 0x7fb4de009000
[pid  3173] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3176] <... futex resumed>)        = 0
[pid  3175] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3174] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3173] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3176] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3175] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3173] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3177 attached
[pid  3176] <... write resumed>)        = 2
[pid  3174] <... mprotect resumed>)     = 0
[pid  3173] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3176] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3175] <... clone3 resumed> => {parent_tid=[3177]}, 88) = 3177
[pid  3173] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3177] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3176] <... futex resumed>)        = 0
[pid  3174] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3177] <... set_robust_list resumed>) = 0
[pid  3176] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3177] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3174] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3177] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3174] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3177] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 3178 attached
 <unfinished ...>
[pid  3175] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3173] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3178] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3175] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3174] <... clone3 resumed> => {parent_tid=[3178]}, 88) = 3178
[pid  3176] <... futex resumed>)        = 0
[pid  3173] <... futex resumed>)        = 1
[pid  3178] <... set_robust_list resumed>) = 0
[pid  3175] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3173] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3178] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3177] <... futex resumed>)        = 0
[pid  3176] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3175] <... futex resumed>)        = 1
[pid  3174] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3178] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3177] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3176] <... openat resumed>)       = 4
[pid  3175] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3178] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3177] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3176] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3174] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3176] <... futex resumed>)        = 1
[pid  3174] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3173] <... futex resumed>)        = 0
[pid  3177] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3178] <... futex resumed>)        = 0
[pid  3176] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3174] <... futex resumed>)        = 1
[pid  3173] exit_group(0 <unfinished ...>
[pid  3178] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3177] <... futex resumed>)        = 1
[pid  3176] <... futex resumed>)        = ?
[pid  3175] <... futex resumed>)        = 0
[pid  3174] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3173] <... exit_group resumed>)   = ?
[pid  3178] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3177] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3176] +++ exited with 0 +++
[pid  3175] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3173] +++ exited with 0 +++
[pid  3178] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3177] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3175] <... futex resumed>)        = 0
[pid  3174] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3173, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3178] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3177] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3175] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3174] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3178] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3177] <... futex resumed>)        = 0
[pid  3175] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   315] <... restart_syscall resumed>) = 0
[pid  3174] <... futex resumed>)        = 0
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3178] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3177] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3175] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3174] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3178] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3177] <... openat resumed>)       = 3
[pid  3175] <... futex resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  3178] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3177] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3175] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3178] <... futex resumed>)        = 1
[pid  3177] <... futex resumed>)        = 0
[pid  3175] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3174] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3178] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3177] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3175] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3174] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3178] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3177] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3175] <... futex resumed>)        = 0
[pid  3174] <... futex resumed>)        = 0
[pid  3178] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3177] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3174] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3178] <... openat resumed>)       = 3
[pid  3177] <... write resumed>)        = 2
[pid  3175] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3179 attached
[pid  3178] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3177] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3175] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3179] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3178] <... futex resumed>)        = 1
[pid  3177] <... futex resumed>)        = 0
[pid  3175] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3174] <... futex resumed>)        = 0
[pid  3175] <... futex resumed>)        = 0
[pid  3175] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3179
ci2-android-6-12-rust/strace-static-x86_64: Process 3180 attached
[pid  3179] <... set_robust_list resumed>) = 0
[pid  3178] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3177] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3174] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3180] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3179] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3180] <... set_robust_list resumed>) = 0
[pid  3179] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3178] <... futex resumed>)        = 0
[pid  3177] <... openat resumed>)       = 4
[pid  3174] <... futex resumed>)        = 1
[pid  3179] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3178] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3177] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3174] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3180] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3179] <... prctl resumed>)        = 0
[pid  3178] <... write resumed>)        = 2
[pid  3177] <... futex resumed>)        = 1
[pid  3175] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3180
[pid  3180] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3179] setpgid(0, 0 <unfinished ...>
[pid  3178] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3177] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3175] exit_group(0 <unfinished ...>
[pid  3180] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3180] <... prctl resumed>)        = 0
[pid  3179] <... setpgid resumed>)      = 0
[pid  3178] <... futex resumed>)        = 1
[pid  3174] <... futex resumed>)        = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3180] setpgid(0, 0 <unfinished ...>
[pid  3178] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3174] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3180] <... setpgid resumed>)      = 0
[pid  3179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3178] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3174] <... futex resumed>)        = 0
[pid  3180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3178] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3174] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3180] <... openat resumed>)       = 3
[pid  3179] <... openat resumed>)       = 3
[pid  3177] <... futex resumed>)        = ?
[pid  3175] <... exit_group resumed>)   = ?
[pid  3180] write(3, "1000", 4 <unfinished ...>
[pid  3179] write(3, "1000", 4 <unfinished ...>
[pid  3178] <... openat resumed>)       = 4
[pid  3177] +++ exited with 0 +++
[pid  3175] +++ exited with 0 +++
[pid  3180] <... write resumed>)        = 4
[pid  3179] <... write resumed>)        = 4
[pid  3178] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3180] close(3 <unfinished ...>
[pid  3179] close(3 <unfinished ...>
[pid  3178] <... futex resumed>)        = 1
[pid  3180] <... close resumed>)        = 0
[pid  3174] <... futex resumed>)        = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3175, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3180] write(1, "executing program\n", 18 <unfinished ...>
[pid  3179] <... close resumed>)        = 0
[pid  3178] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3180] <... write resumed>)        = 18
[pid  3179] write(1, "executing program\n", 18 <unfinished ...>
[pid  3174] exit_group(0 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3180] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3179] <... write resumed>)        = 18
[pid  3178] <... futex resumed>)        = ?
[pid  3174] <... exit_group resumed>)   = ?
[pid  3180] <... futex resumed>)        = 0
[pid  3179] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3178] +++ exited with 0 +++
executing program
executing program
[pid  3180] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  3180] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  3180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3174] +++ exited with 0 +++
[pid  3179] <... futex resumed>)        = 0
[pid  3180] <... mmap resumed>)         = 0x7fb4de009000
[pid  3179] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3174, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3179] <... rt_sigaction resumed>, NULL, 8) = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3180] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3179] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3180] <... mprotect resumed>)     = 0
[pid  3179] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3180] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3180] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3180] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3179] <... mmap resumed>)         = 0x7fb4de009000
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3179] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3181 attached
[pid  3180] <... clone3 resumed> => {parent_tid=[3181]}, 88) = 3181
[pid  3179] <... mprotect resumed>)     = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3180] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  3180] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 3182 attached
 <unfinished ...>
[pid  3181] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3182] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3181] <... set_robust_list resumed>) = 0
[pid  3180] <... futex resumed>)        = 0
[pid  3179] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3182] <... set_robust_list resumed>) = 0
[pid  3181] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3180] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3182] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3181] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3179] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3182
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3182] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3181] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3182] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3179] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3182] <... prctl resumed>)        = 0
[pid  3181] <... mkdirat resumed>)      = -1 EEXIST (File exists)
ci2-android-6-12-rust/strace-static-x86_64: Process 3183 attached
[pid  3182] setpgid(0, 0 <unfinished ...>
[pid  3181] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3182] <... setpgid resumed>)      = 0
[pid  3181] <... futex resumed>)        = 1
[pid  3179] <... clone3 resumed> => {parent_tid=[3183]}, 88) = 3183
[pid  3183] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3181] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3183] <... set_robust_list resumed>) = 0
[pid  3179] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3183] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 3184 attached
, NULL, 8) = 0
[pid  3182] <... openat resumed>)       = 3
[pid  3180] <... futex resumed>)        = 0
[pid  3179] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3183] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3182] write(3, "1000", 4 <unfinished ...>
[pid  3180] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3184
[pid  3179] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3184] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3183] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3182] <... write resumed>)        = 4
[pid  3181] <... futex resumed>)        = 0
[pid  3180] <... futex resumed>)        = 1
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3184] <... set_robust_list resumed>) = 0
[pid  3183] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3182] close(3 <unfinished ...>
[pid  3181] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3180] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3179] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3184] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3183] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3182] <... close resumed>)        = 0
[pid  3181] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3179] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3184] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3183] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3182] write(1, "executing program\n", 18 <unfinished ...>
[pid  3181] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3179] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3184] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3183] <... futex resumed>)        = 0
[pid  3182] <... write resumed>)        = 18
[pid  3181] <... futex resumed>)        = 1
[pid  3180] <... futex resumed>)        = 0
executing program
[pid  3179] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3184] <... prctl resumed>)        = 0
[pid  3183] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3182] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3181] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3180] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3179] <... futex resumed>)        = 0
[pid  3184] setpgid(0, 0 <unfinished ...>
[pid  3183] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3182] <... futex resumed>)        = 0
[pid  3181] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3180] <... futex resumed>)        = 0
[pid  3179] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3184] <... setpgid resumed>)      = 0
[pid  3183] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3182] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3181] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3180] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3183] <... futex resumed>)        = 0
[pid  3182] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3181] <... openat resumed>)       = 3
[pid  3179] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3183] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3181] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3184] <... openat resumed>)       = 3
[pid  3182] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3181] <... futex resumed>)        = 1
[pid  3180] <... futex resumed>)        = 0
[pid  3179] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3183] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3184] write(3, "1000", 4 <unfinished ...>
[pid  3182] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3181] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3183] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3180] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3179] <... futex resumed>)        = 0
[pid  3184] <... write resumed>)        = 4
[pid  3183] <... openat resumed>)       = 3
[pid  3182] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3181] <... write resumed>)        = 2
[pid  3180] <... futex resumed>)        = 0
[pid  3184] close(3 <unfinished ...>
[pid  3183] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3182] <... mmap resumed>)         = 0x7fb4de009000
[pid  3181] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3180] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3179] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3184] <... close resumed>)        = 0
[pid  3183] <... futex resumed>)        = 0
[pid  3182] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3181] <... futex resumed>)        = 0
[pid  3180] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3184] write(1, "executing program\n", 18 <unfinished ...>
[pid  3183] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3182] <... mprotect resumed>)     = 0
executing program
[pid  3181] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3180] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3179] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3184] <... write resumed>)        = 18
[pid  3182] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3181] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3180] <... futex resumed>)        = 0
[pid  3179] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3184] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3182] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3181] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3180] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3184] <... futex resumed>)        = 0
[pid  3183] <... futex resumed>)        = 0
[pid  3182] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3179] <... futex resumed>)        = 1
[pid  3181] <... openat resumed>)       = 4
[pid  3184] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3183] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3181] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 3185 attached
 <unfinished ...>
[pid  3184] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3183] <... write resumed>)        = 2
[pid  3179] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3184] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3185] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3184] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3183] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3182] <... clone3 resumed> => {parent_tid=[3185]}, 88) = 3185
[pid  3181] <... futex resumed>)        = 1
[pid  3180] <... futex resumed>)        = 0
[pid  3185] <... set_robust_list resumed>) = 0
[pid  3184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3183] <... futex resumed>)        = 1
[pid  3182] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3181] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3180] exit_group(0 <unfinished ...>
[pid  3179] <... futex resumed>)        = 0
[pid  3185] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3184] <... mmap resumed>)         = 0x7fb4de009000
[pid  3183] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3182] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3181] <... futex resumed>)        = ?
[pid  3180] <... exit_group resumed>)   = ?
[pid  3185] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3184] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3183] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3182] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3181] +++ exited with 0 +++
[pid  3180] +++ exited with 0 +++
[pid  3179] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3185] mkdirat(AT_FDCWD, "./tracefs_dir", 0777) = -1 EEXIST (File exists)
[pid  3184] <... mprotect resumed>)     = 0
[pid  3183] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3182] <... futex resumed>)        = 0
[pid  3179] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3180, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3182] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3179] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3184] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3185] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3184] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3183] <... openat resumed>)       = 4
[pid  3182] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3185] <... futex resumed>)        = 0
[pid  3184] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3182] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3185] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3183] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3182] <... futex resumed>)        = 0
[pid  3182] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3185] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
ci2-android-6-12-rust/strace-static-x86_64: Process 3186 attached
[pid  3185] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3183] <... futex resumed>)        = 1
[pid  3179] <... futex resumed>)        = 0
[pid  3186] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3185] <... futex resumed>)        = 1
[pid  3184] <... clone3 resumed> => {parent_tid=[3186]}, 88) = 3186
[pid  3183] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3182] <... futex resumed>)        = 0
[pid  3186] <... set_robust_list resumed>) = 0
[pid  3185] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3184] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3182] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3179] exit_group(0 <unfinished ...>
[pid  3186] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3185] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3184] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3182] <... futex resumed>)        = 0
[pid  3179] <... exit_group resumed>)   = ?
[pid  3186] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3185] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3184] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3183] <... futex resumed>)        = ?
[pid  3182] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3186] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3185] <... openat resumed>)       = 3
[pid  3184] <... futex resumed>)        = 0
[pid  3186] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3183] +++ exited with 0 +++
[pid  3179] +++ exited with 0 +++
[pid  3186] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3185] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3184] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3186] <... futex resumed>)        = 0
[pid  3185] <... futex resumed>)        = 1
[pid  3184] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3182] <... futex resumed>)        = 0
[pid  3185] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3184] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3185] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3182] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3185] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3184] <... futex resumed>)        = 0
[pid  3182] <... futex resumed>)        = 0
[pid  3185] <... write resumed>)        = 2
[pid  3184] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3182] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3185] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3182] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3185] <... futex resumed>)        = 0
[pid  3186] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3185] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3182] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3179, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3186] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3186] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3185] <... openat resumed>)       = 4
[pid  3182] <... futex resumed>)        = 0
[pid  3186] <... futex resumed>)        = 1
[pid  3184] <... futex resumed>)        = 0
[pid  3185] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3186] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3184] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3182] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3185] <... futex resumed>)        = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  3186] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3186] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3185] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3184] <... futex resumed>)        = 0
[pid  3182] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3186] <... openat resumed>)       = 3
[pid  3186] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3184] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3186] <... futex resumed>)        = 0
[pid  3182] exit_group(0 <unfinished ...>
[pid  3186] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3184] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3185] <... futex resumed>)        = ?
[pid  3182] <... exit_group resumed>)   = ?
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3185] +++ exited with 0 +++
[pid  3184] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3186] <... futex resumed>)        = 0
[pid  3182] +++ exited with 0 +++
[pid  3186] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3184] <... futex resumed>)        = 1
[pid  3186] <... write resumed>)        = 2
[pid  3186] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3187 attached
[pid  3186] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3184] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3182, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3187] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3184] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3187] <... set_robust_list resumed>) = 0
[pid  3184] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3187
[pid  3187] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3186] <... futex resumed>)        = 0
[pid  3184] <... futex resumed>)        = 1
[pid  3187] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3186] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3187] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3186] <... openat resumed>)       = 4
[pid  3184] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3187] <... prctl resumed>)        = 0
[pid  3186] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3187] setpgid(0, 0 <unfinished ...>
[pid  3186] <... futex resumed>)        = 1
[pid  3184] <... futex resumed>)        = 0
[pid  3187] <... setpgid resumed>)      = 0
[pid  3186] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3184] exit_group(0)               = ?
[pid  3187] <... openat resumed>)       = 3
[pid  3186] <... futex resumed>)        = ?
[pid  3186] +++ exited with 0 +++
[pid  3187] write(3, "1000", 4 <unfinished ...>
[pid  3184] +++ exited with 0 +++
[pid  3187] <... write resumed>)        = 4
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3184, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3187] close(3)                    = 0
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3187] write(1, "executing program\n", 18) = 18
executing program
[pid  3187] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3187] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  3187] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  3187] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  3187] <... mmap resumed>)         = 0x7fb4de009000
[pid  3187] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3187] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  3187] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} => {parent_tid=[3188]}, 88) = 3188
ci2-android-6-12-rust/strace-static-x86_64: Process 3188 attached
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3188] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3188] <... set_robust_list resumed>) = 0
[pid  3187] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3188] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3187] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3187] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3187] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3188] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3188] mkdirat(AT_FDCWD, "./tracefs_dir", 0777ci2-android-6-12-rust/strace-static-x86_64: Process 3189 attached
 <unfinished ...>
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3189
[pid  3189] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3188] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3189] <... set_robust_list resumed>) = 0
[pid  3188] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3189] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  3188] <... futex resumed>)        = 1
[pid  3187] <... futex resumed>)        = 0
[pid  3187] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3187] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3189] setpgid(0, 0)               = 0
[pid  3189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3188] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3189] <... openat resumed>)       = 3
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3188] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3188] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3188] <... futex resumed>)        = 1
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3189] write(3, "1000", 4 <unfinished ...>
[pid  3187] <... futex resumed>)        = 0
[pid  3189] <... write resumed>)        = 4
[pid  3187] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3189] close(3 <unfinished ...>
[pid  3187] <... futex resumed>)        = 0
[pid  3189] <... close resumed>)        = 0
[pid  3187] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3189] write(1, "executing program\n", 18ci2-android-6-12-rust/strace-static-x86_64: Process 3190 attached
) = 18
[pid  3188] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3189] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3189] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  3189] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  3189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 3191 attached
executing program
) = 0x7fb4de009000
[pid  3188] <... openat resumed>)       = 3
[pid  3188] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3191] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3189] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3188] <... futex resumed>)        = 1
[pid  3187] <... futex resumed>)        = 0
[pid  3191] <... set_robust_list resumed>) = 0
[pid  3189] <... mprotect resumed>)     = 0
[pid  3187] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3191] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3187] <... futex resumed>)        = 0
[pid  3191] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3189] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3187] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3191] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3189] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3188] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3190] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3191
[pid  3191] <... prctl resumed>)        = 0
[pid  3189] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3191] setpgid(0, 0 <unfinished ...>
[pid  3190] <... set_robust_list resumed>) = 0
[pid  3188] <... write resumed>)        = 2
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3190
[pid  3191] <... setpgid resumed>)      = 0
[pid  3190] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3189] <... clone3 resumed> => {parent_tid=[3192]}, 88) = 3192
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3192 attached
[pid  3191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3190] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3189] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3188] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3192] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3191] <... openat resumed>)       = 3
[pid  3190] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3189] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3188] <... futex resumed>)        = 1
[pid  3187] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3192] <... set_robust_list resumed>) = 0
[pid  3190] <... prctl resumed>)        = 0
[pid  3189] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3188] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3187] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3192] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3190] setpgid(0, 0 <unfinished ...>
[pid  3188] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3192] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3190] <... setpgid resumed>)      = 0
[pid  3188] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3191] write(3, "1000", 4 <unfinished ...>
[pid  3189] <... futex resumed>)        = 0
[pid  3187] <... futex resumed>)        = 0
[pid  3191] <... write resumed>)        = 4
[pid  3190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3189] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3188] <... openat resumed>)       = 4
[pid  3187] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3192] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3191] close(3 <unfinished ...>
[pid  3190] <... openat resumed>)       = 3
[pid  3188] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3192] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3191] <... close resumed>)        = 0
[pid  3187] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3192] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3191] write(1, "executing program\n", 18 <unfinished ...>
[pid  3190] write(3, "1000", 4 <unfinished ...>
[pid  3188] <... futex resumed>)        = 0
[pid  3192] <... futex resumed>)        = 1
[pid  3191] <... write resumed>)        = 18
[pid  3190] <... write resumed>)        = 4
[pid  3189] <... futex resumed>)        = 0
[pid  3188] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3187] exit_group(0 <unfinished ...>
[pid  3192] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3191] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3190] close(3 <unfinished ...>
[pid  3191] <... futex resumed>)        = 0
[pid  3188] <... futex resumed>)        = ?
[pid  3191] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3190] <... close resumed>)        = 0
[pid  3187] <... exit_group resumed>)   = ?
[pid  3191] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3190] write(1, "executing program\n", 18 <unfinished ...>
[pid  3188] +++ exited with 0 +++
executing program
[pid  3189] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3192] <... futex resumed>)        = 0
[pid  3189] <... futex resumed>)        = 1
[pid  3192] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3189] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3192] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3191] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3190] <... write resumed>)        = 18
[pid  3187] +++ exited with 0 +++
[pid  3192] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3191] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3192] <... futex resumed>)        = 1
[pid  3191] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3190] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3189] <... futex resumed>)        = 0
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3187, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3192] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3191] <... mmap resumed>)         = 0x7fb4de009000
[pid  3192] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3190] <... futex resumed>)        = 0
[pid  3189] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3191] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3192] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3190] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3189] <... futex resumed>)        = 0
[pid  3192] <... openat resumed>)       = 3
[pid  3191] <... mprotect resumed>)     = 0
[pid  3190] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3189] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
executing program
[pid  3192] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3191] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3190] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3189] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3192] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3191] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3191] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3190] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3189] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3190] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-android-6-12-rust/strace-static-x86_64: Process 3193 attached
 <unfinished ...>
[pid  3189] <... futex resumed>)        = 1
[pid  3193] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3192] <... futex resumed>)        = 0
[pid  3190] <... mmap resumed>)         = 0x7fb4de009000
[pid  3189] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3190] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3193] <... set_robust_list resumed>) = 0
[pid  3192] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3191] <... clone3 resumed> => {parent_tid=[3193]}, 88) = 3193
[pid  3193] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3192] <... write resumed>)        = 2
[pid  3191] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3190] <... mprotect resumed>)     = 0
[pid  3193] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3192] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3191] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3193] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3192] <... futex resumed>)        = 1
[pid  3191] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3190] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3189] <... futex resumed>)        = 0
[pid  3193] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3192] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3191] <... futex resumed>)        = 0
[pid  3190] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3189] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3193] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3192] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3191] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3190] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3189] <... futex resumed>)        = 0
[pid  3193] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3192] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3189] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 3194 attached
 <unfinished ...>
[pid  3193] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3192] <... openat resumed>)       = 4
[pid  3194] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3193] <... futex resumed>)        = 1
[pid  3191] <... futex resumed>)        = 0
[pid  3193] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3192] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3191] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3194] <... set_robust_list resumed>) = 0
[pid  3193] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3192] <... futex resumed>)        = 1
[pid  3191] <... futex resumed>)        = 0
[pid  3190] <... clone3 resumed> => {parent_tid=[3194]}, 88) = 3194
[pid  3189] <... futex resumed>)        = 0
[pid  3194] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3190] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3194] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3190] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3189] exit_group(0 <unfinished ...>
[pid  3194] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3193] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3191] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3189] <... exit_group resumed>)   = ?
[pid  3193] <... futex resumed>)        = 0
[pid  3192] +++ exited with 0 +++
[pid  3191] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3190] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3193] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3191] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3194] <... futex resumed>)        = 0
[pid  3193] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3191] <... futex resumed>)        = 0
[pid  3190] <... futex resumed>)        = 1
[pid  3194] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3193] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3191] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3193] <... openat resumed>)       = 3
[pid  3190] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3193] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3191] <... futex resumed>)        = 0
[pid  3193] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3191] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3193] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3191] <... futex resumed>)        = 0
[pid  3193] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3191] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3193] <... write resumed>)        = 2
[pid  3193] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3191] <... futex resumed>)        = 0
[pid  3191] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3193] <... futex resumed>)        = 1
[pid  3191] <... futex resumed>)        = 0
[pid  3189] +++ exited with 0 +++
[pid  3193] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3191] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3194] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3193] <... openat resumed>)       = 4
[pid  3193] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3191] <... futex resumed>)        = 0
[pid  3193] <... futex resumed>)        = 1
[pid  3194] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3189, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3194] <... futex resumed>)        = 1
[pid  3190] <... futex resumed>)        = 0
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3194] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3190] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3194] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3193] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3191] exit_group(0 <unfinished ...>
[pid  3190] <... futex resumed>)        = 0
[pid  3194] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3193] <... futex resumed>)        = ?
[pid  3191] <... exit_group resumed>)   = ?
[pid  3190] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3194] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3193] +++ exited with 0 +++
[pid  3191] +++ exited with 0 +++
[pid  3194] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3191, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3194] <... futex resumed>)        = 1
[pid  3190] <... futex resumed>)        = 0
[pid   314] <... restart_syscall resumed>) = 0
[pid  3190] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  3190] <... futex resumed>)        = 0
[pid  3190] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  3194] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3194] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3194] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3190] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-12-rust/strace-static-x86_64: Process 3195 attached
 <unfinished ...>
[pid  3190] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3190] <... futex resumed>)        = 1
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3190] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3194] <... futex resumed>)        = 0
[pid  3194] write(3, "\x38\x00", 2)     = 2
[pid  3194] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3195
[pid  3194] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3194] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULLci2-android-6-12-rust/strace-static-x86_64: Process 3196 attached
 <unfinished ...>
[pid  3195] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3190] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3196] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3196] <... set_robust_list resumed>) = 0
[pid  3196] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  3196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3196] setpgid(0, 0)               = 0
[pid  3196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3196] write(3, "1000", 4)         = 4
[pid  3196] close(3)                    = 0
[pid  3195] <... set_robust_list resumed>) = 0
[pid  3190] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3196
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3197
[pid  3195] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 3197 attached
 <unfinished ...>
[pid  3196] write(1, "executing program\n", 18 <unfinished ...>
[pid  3195] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3194] <... futex resumed>)        = 0
[pid  3190] <... futex resumed>)        = 1
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
executing program
[pid  3197] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3196] <... write resumed>)        = 18
[pid  3195] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3194] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3190] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3197] <... set_robust_list resumed>) = 0
[pid  3196] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3195] <... prctl resumed>)        = 0
[pid  3194] <... openat resumed>)       = 4
[pid  3197] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3196] <... futex resumed>)        = 0
[pid  3195] setpgid(0, 0 <unfinished ...>
[pid  3194] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3197] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3196] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3195] <... setpgid resumed>)      = 0
[pid  3194] <... futex resumed>)        = 1
[pid  3190] <... futex resumed>)        = 0
[pid  3197] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3196] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3194] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3196] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3197] <... prctl resumed>)        = 0
[pid  3196] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3190] exit_group(0 <unfinished ...>
[pid  3197] setpgid(0, 0 <unfinished ...>
[pid  3196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3197] <... setpgid resumed>)      = 0
[pid  3194] <... futex resumed>)        = ?
[pid  3190] <... exit_group resumed>)   = ?
[pid  3197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3196] <... mmap resumed>)         = 0x7fb4de009000
[pid  3195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3194] +++ exited with 0 +++
[pid  3197] <... openat resumed>)       = 3
[pid  3196] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3197] write(3, "1000", 4)         = 4
[pid  3196] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3197] close(3)                    = 0
[pid  3197] write(1, "executing program\n", 18 <unfinished ...>
[pid  3196] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3197] <... write resumed>)        = 18
[pid  3196] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3197] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3190] +++ exited with 0 +++
ci2-android-6-12-rust/strace-static-x86_64: Process 3198 attached
executing program
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3190, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3198] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3197] <... futex resumed>)        = 0
[pid  3196] <... clone3 resumed> => {parent_tid=[3198]}, 88) = 3198
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3198] <... set_robust_list resumed>) = 0
[pid  3197] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3196] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3195] <... openat resumed>)       = 3
[pid  3198] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  3197] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3196] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3198] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3197] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3196] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3195] write(3, "1000", 4 <unfinished ...>
[pid  3198] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3197] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3196] <... futex resumed>)        = 0
[pid  3198] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3196] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3195] <... write resumed>)        = 4
[pid  3198] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3197] <... mmap resumed>)         = 0x7fb4de009000
[pid  3195] close(3 <unfinished ...>
[pid  3198] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3197] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3196] <... futex resumed>)        = 0
[pid  3195] <... close resumed>)        = 0
[pid  3198] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3197] <... mprotect resumed>)     = 0
[pid  3196] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3198] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3198] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3197] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3196] <... futex resumed>)        = 0
[pid  3195] write(1, "executing program\n", 18 <unfinished ...>
[pid  3198] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3195] <... write resumed>)        = 18
[pid  3197] <... rt_sigprocmask resumed>, [], 8) = 0
executing program
[pid  3196] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3195] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3198] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3197] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3196] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3198] <... futex resumed>)        = 0
[pid  3196] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3195] <... futex resumed>)        = 0
[pid  3198] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3197] <... clone3 resumed> => {parent_tid=[3199]}, 88) = 3199
[pid  3196] <... futex resumed>)        = 0
[pid  3198] <... openat resumed>)       = 3
[pid  3197] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3196] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3198] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3197] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3196] <... futex resumed>)        = 0
[pid  3198] <... futex resumed>)        = 1
[pid  3197] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3196] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3198] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3197] <... futex resumed>)        = 0
[pid  3196] <... futex resumed>)        = 0
[pid  3198] <... write resumed>)        = 2
[pid  3197] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3196] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3198] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3196] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3198] <... futex resumed>)        = 0
[pid  3196] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3198] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3196] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3199 attached
[pid  3198] <... openat resumed>)       = 4
[pid  3196] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3195] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid  3199] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3195] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3199] <... set_robust_list resumed>) = 0
[pid  3199] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3195] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3198] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3199] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3198] <... futex resumed>)        = 1
[pid  3196] <... futex resumed>)        = 0
[pid  3195] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3199] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3198] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3196] exit_group(0 <unfinished ...>
[pid  3195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3199] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3198] <... futex resumed>)        = ?
[pid  3196] <... exit_group resumed>)   = ?
[pid  3199] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3198] +++ exited with 0 +++
[pid  3196] +++ exited with 0 +++
[pid  3195] <... mmap resumed>)         = 0x7fb4de009000
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3199] <... futex resumed>)        = 1
[pid  3197] <... futex resumed>)        = 0
[pid  3195] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3199] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3197] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3197] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3195] <... mprotect resumed>)     = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3200 attached
[pid  3199] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3196, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3199] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3200
[pid  3200] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3200] <... set_robust_list resumed>) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3200] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3199] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3195] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3195] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3200] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3195] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 3201 attached
 <unfinished ...>
[pid  3200] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3199] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3201] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3195] <... clone3 resumed> => {parent_tid=[3201]}, 88) = 3201
[pid  3201] <... set_robust_list resumed>) = 0
[pid  3195] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3201] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3200] <... prctl resumed>)        = 0
[pid  3199] <... futex resumed>)        = 1
[pid  3197] <... futex resumed>)        = 0
[pid  3195] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... restart_syscall resumed>) = 0
[pid  3201] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3200] setpgid(0, 0 <unfinished ...>
[pid  3199] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3197] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3195] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3201] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3200] <... setpgid resumed>)      = 0
[pid  3199] <... openat resumed>)       = 3
[pid  3197] <... futex resumed>)        = 0
[pid  3195] <... futex resumed>)        = 0
[pid  3201] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3197] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3195] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3199] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3201] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3197] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3195] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3201] <... futex resumed>)        = 0
[pid  3197] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3195] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3201] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3197] <... futex resumed>)        = 0
[pid  3195] <... futex resumed>)        = 0
[pid  3201] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3200] <... openat resumed>)       = 3
[pid  3199] <... futex resumed>)        = 0
[pid  3197] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3195] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3201] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3195] <... futex resumed>)        = 0
[pid  3201] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3195] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3201] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3195] <... futex resumed>)        = 0
[pid  3201] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3195] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3201] <... openat resumed>)       = 3
[pid  3201] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3195] <... futex resumed>)        = 0
[pid  3201] <... futex resumed>)        = 1
[pid  3195] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3201] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3195] <... futex resumed>)        = 0
[pid  3201] <... write resumed>)        = 2
[pid  3195] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3201] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3195] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3201] <... futex resumed>)        = 0
[pid  3195] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3201] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid  3199] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3195] <... futex resumed>)        = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3195] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3201] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3200] write(3, "1000", 4 <unfinished ...>
[pid  3199] <... write resumed>)        = 2
[pid  3201] <... futex resumed>)        = 1
[pid  3195] <... futex resumed>)        = 0
[pid  3201] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3195] exit_group(0 <unfinished ...>
[pid  3201] <... futex resumed>)        = ?
[pid  3201] +++ exited with 0 +++
[pid  3195] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 3202 attached
[pid  3200] <... write resumed>)        = 4
[pid  3199] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3195] +++ exited with 0 +++
[pid  3202] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3200] close(3 <unfinished ...>
[pid  3199] <... futex resumed>)        = 1
[pid  3197] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3195, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3202] <... set_robust_list resumed>) = 0
[pid  3200] <... close resumed>)        = 0
[pid  3199] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3197] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3202
[pid  3202] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3200] write(1, "executing program\n", 18 <unfinished ...>
[pid  3199] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3197] <... futex resumed>)        = 0
[pid  3202] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  3200] <... write resumed>)        = 18
[pid  3199] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3197] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3202] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3202] setpgid(0, 0 <unfinished ...>
[pid  3199] <... openat resumed>)       = 4
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3199] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3202] <... setpgid resumed>)      = 0
[pid  3199] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3197] <... futex resumed>)        = 0
[pid  3200] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3197] exit_group(0 <unfinished ...>
[pid  3199] <... futex resumed>)        = ?
[pid  3197] <... exit_group resumed>)   = ?
[pid  3200] <... futex resumed>)        = 0
[pid  3202] <... openat resumed>)       = 3
[pid  3200] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3199] +++ exited with 0 +++
[pid  3197] +++ exited with 0 +++
[pid  3200] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3200] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3197, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3200] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3202] write(3, "1000", 4 <unfinished ...>
[pid  3200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3202] <... write resumed>)        = 4
[pid  3202] close(3)                    = 0
[pid  3202] write(1, "executing program\n", 18) = 18
executing program
[pid  3202] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3202] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  3202] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  3202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3202] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3200] <... mmap resumed>)         = 0x7fb4de009000
[pid  3200] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3202] <... mprotect resumed>)     = 0
[pid  3200] <... mprotect resumed>)     = 0
[pid  3202] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3200] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3202] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3200] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3202] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3200] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 3203 attached
ci2-android-6-12-rust/strace-static-x86_64: Process 3204 attached
 <unfinished ...>
[pid  3203] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3202] <... clone3 resumed> => {parent_tid=[3203]}, 88) = 3203
[pid  3204] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3200] <... clone3 resumed> => {parent_tid=[3204]}, 88) = 3204
[pid  3204] <... set_robust_list resumed>) = 0
[pid  3200] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3204] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3200] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3204] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3204] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3203] <... set_robust_list resumed>) = 0
[pid  3202] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3200] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3203] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3202] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3203] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3202] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3203] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3202] <... futex resumed>)        = 0
[pid  3203] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3202] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3203] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3202] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3203] <... futex resumed>)        = 0
[pid  3202] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3203] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3202] <... futex resumed>)        = 0
[pid  3204] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3203] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3202] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3200] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  3203] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3200] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3204] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3203] <... futex resumed>)        = 1
[pid  3202] <... futex resumed>)        = 0
[pid  3204] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3203] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3202] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3204] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3203] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3202] <... futex resumed>)        = 0
[pid  3204] <... futex resumed>)        = 1
[pid  3203] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3202] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3200] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3204] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3203] <... openat resumed>)       = 3
[pid  3200] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3204] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3200] <... futex resumed>)        = 0
[pid  3203] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3200] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3204] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3203] <... futex resumed>)        = 1
[pid  3202] <... futex resumed>)        = 0
[pid  3203] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3202] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3203] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3202] <... futex resumed>)        = 0
[pid  3204] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3203] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3202] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3203] <... write resumed>)        = 2
[pid  3203] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3202] <... futex resumed>)        = 0
[pid  3202] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3203] <... futex resumed>)        = 1
[pid  3202] <... futex resumed>)        = 0
[pid  3203] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3202] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  3203] <... openat resumed>)       = 4
[pid  3204] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3203] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3202] <... futex resumed>)        = 0
[pid  3203] <... futex resumed>)        = 1
[pid  3204] <... futex resumed>)        = 1
[pid  3200] <... futex resumed>)        = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3204] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3200] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3204] <... openat resumed>)       = 3
[pid  3200] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3200] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3203] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3202] exit_group(0 <unfinished ...>
[pid  3203] <... futex resumed>)        = ?
[pid  3202] <... exit_group resumed>)   = ?
[pid  3203] +++ exited with 0 +++
[pid  3204] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3204] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3200] <... futex resumed>)        = 0
[pid  3204] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3200] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3204] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3200] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3205 attached
[pid  3202] +++ exited with 0 +++
[pid  3200] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 3206 attached
 <unfinished ...>
[pid  3204] <... write resumed>)        = 2
[pid  3206] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3204] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3205
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3202, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3206] <... set_robust_list resumed>) = 0
[pid  3204] <... futex resumed>)        = 1
[pid  3200] <... futex resumed>)        = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3206
[pid  3206] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3205] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3204] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3205] <... set_robust_list resumed>) = 0
[pid  3200] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3206] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3205] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3204] <... futex resumed>)        = 0
[pid  3200] <... futex resumed>)        = 1
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3206] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3204] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3206] <... prctl resumed>)        = 0
[pid  3204] <... openat resumed>)       = 4
[pid  3200] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3206] setpgid(0, 0)               = 0
[pid  3205] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3204] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3205] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3204] <... futex resumed>)        = 1
[pid  3200] <... futex resumed>)        = 0
[pid  3204] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3206] <... openat resumed>)       = 3
[pid  3205] <... prctl resumed>)        = 0
[pid  3200] exit_group(0 <unfinished ...>
[pid  3205] setpgid(0, 0 <unfinished ...>
[pid  3200] <... exit_group resumed>)   = ?
[pid  3206] write(3, "1000", 4 <unfinished ...>
[pid  3204] <... futex resumed>)        = ?
[pid  3206] <... write resumed>)        = 4
[pid  3205] <... setpgid resumed>)      = 0
[pid  3204] +++ exited with 0 +++
[pid  3200] +++ exited with 0 +++
[pid   312] <... restart_syscall resumed>) = 0
[pid  3206] close(3 <unfinished ...>
[pid  3205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3206] <... close resumed>)        = 0
[pid  3205] <... openat resumed>)       = 3
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3200, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3206] write(1, "executing program\n", 18 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3206] <... write resumed>)        = 18
[pid  3205] write(3, "1000", 4 <unfinished ...>
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
executing program
[pid  3206] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3205] <... write resumed>)        = 4
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3206] <... futex resumed>)        = 0
[pid  3206] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  3206] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  3206] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  3206] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3205] close(3 <unfinished ...>
[pid  3206] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  3206] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 3207 attached
 <unfinished ...>
[pid  3207] set_robust_list(0x7fb4de0299a0, 24ci2-android-6-12-rust/strace-static-x86_64: Process 3208 attached
) = 0
[pid  3206] <... clone3 resumed> => {parent_tid=[3207]}, 88) = 3207
[pid  3207] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3208] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3206] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3205] <... close resumed>)        = 0
[pid  3208] <... set_robust_list resumed>) = 0
[pid  3207] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3206] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3205] write(1, "executing program\n", 18 <unfinished ...>
[pid  3208] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3207] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3206] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3208
executing program
[pid  3205] <... write resumed>)        = 18
[pid  3208] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3207] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3206] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3208] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3207] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3206] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3205] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3208] <... prctl resumed>)        = 0
[pid  3205] <... futex resumed>)        = 0
[pid  3207] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3207] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3206] <... futex resumed>)        = 0
[pid  3207] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3206] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3207] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3206] <... futex resumed>)        = 0
[pid  3207] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3206] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3207] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3208] setpgid(0, 0 <unfinished ...>
[pid  3205] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3208] <... setpgid resumed>)      = 0
[pid  3205] <... rt_sigaction resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3209 attached
[pid  3208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3207] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3205] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3209] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3207] <... futex resumed>)        = 1
[pid  3206] <... futex resumed>)        = 0
[pid  3205] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3209] <... set_robust_list resumed>) = 0
[pid  3208] <... openat resumed>)       = 3
[pid  3207] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3206] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3205] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3209] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3208] write(3, "1000", 4 <unfinished ...>
[pid  3207] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3206] <... futex resumed>)        = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3209
[pid  3209] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3208] <... write resumed>)        = 4
[pid  3207] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3206] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3205] <... mmap resumed>)         = 0x7fb4de009000
[pid  3208] close(3 <unfinished ...>
[pid  3205] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3209] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3208] <... close resumed>)        = 0
[pid  3207] <... openat resumed>)       = 3
[pid  3205] <... mprotect resumed>)     = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3209] <... prctl resumed>)        = 0
[pid  3208] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  3207] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3209] setpgid(0, 0 <unfinished ...>
[pid  3208] <... write resumed>)        = 18
[pid  3207] <... futex resumed>)        = 1
[pid  3206] <... futex resumed>)        = 0
[pid  3205] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3209] <... setpgid resumed>)      = 0
[pid  3208] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3207] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3206] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3205] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3208] <... futex resumed>)        = 0
[pid  3207] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3206] <... futex resumed>)        = 0
[pid  3205] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3209] <... openat resumed>)       = 3
[pid  3208] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3207] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3206] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3209] write(3, "1000", 4 <unfinished ...>
[pid  3207] <... write resumed>)        = 2
[pid  3209] <... write resumed>)        = 4
[pid  3207] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3209] close(3 <unfinished ...>
[pid  3207] <... futex resumed>)        = 1
[pid  3206] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3210 attached
[pid  3209] <... close resumed>)        = 0
[pid  3208] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3207] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3206] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3210] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3209] write(1, "executing program\n", 18 <unfinished ...>
[pid  3208] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3207] <... openat resumed>)       = 4
executing program
[pid  3206] <... futex resumed>)        = 0
[pid  3210] <... set_robust_list resumed>) = 0
[pid  3209] <... write resumed>)        = 18
[pid  3208] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3205] <... clone3 resumed> => {parent_tid=[3210]}, 88) = 3210
[pid  3210] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3208] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3205] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3210] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3208] <... mmap resumed>)         = 0x7fb4de009000
[pid  3210] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3209] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3207] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3206] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3209] <... futex resumed>)        = 0
[pid  3208] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3207] <... futex resumed>)        = 0
[pid  3206] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3205] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3209] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3207] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3206] exit_group(0 <unfinished ...>
[pid  3209] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3207] <... futex resumed>)        = ?
[pid  3206] <... exit_group resumed>)   = ?
[pid  3209] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3208] <... mprotect resumed>)     = 0
[pid  3207] +++ exited with 0 +++
[pid  3206] +++ exited with 0 +++
[pid  3205] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3209] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3210] <... futex resumed>)        = 0
[pid  3209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3208] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3205] <... futex resumed>)        = 1
[pid  3210] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3209] <... mmap resumed>)         = 0x7fb4de009000
[pid  3208] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3206, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3210] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3209] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3208] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3205] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3210] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3209] <... mprotect resumed>)     = 0
[pid  3205] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3210] <... futex resumed>)        = 0
[pid  3205] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3210] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3205] <... futex resumed>)        = 0
[pid  3209] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3205] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3209] <... rt_sigprocmask resumed>, [], 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3211 attached
[pid  3209] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3211] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3210] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3211] <... set_robust_list resumed>) = 0
[pid  3211] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3209] <... clone3 resumed> => {parent_tid=[3212]}, 88) = 3212
[pid  3211] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3209] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3211] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3209] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3209] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3209] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 3212 attached
 <unfinished ...>
[pid  3210] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3208] <... clone3 resumed> => {parent_tid=[3211]}, 88) = 3211
[pid  3212] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3210] <... futex resumed>)        = 1
[pid  3208] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3205] <... futex resumed>)        = 0
[pid  3212] <... set_robust_list resumed>) = 0
[pid  3210] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3208] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3212] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3210] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3208] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3205] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3212] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3210] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3211] <... futex resumed>)        = 0
[pid  3212] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3211] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3210] <... openat resumed>)       = 3
[pid  3208] <... futex resumed>)        = 1
[pid  3205] <... futex resumed>)        = 0
[pid  3212] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3211] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3210] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3208] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3205] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3212] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3211] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3210] <... futex resumed>)        = 0
[pid  3212] <... futex resumed>)        = 1
[pid  3211] <... futex resumed>)        = 0
[pid  3210] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3209] <... futex resumed>)        = 0
[pid  3208] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3205] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3212] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3211] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3209] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3208] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3205] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3212] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3211] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3209] <... futex resumed>)        = 0
[pid  3212] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3211] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3210] <... futex resumed>)        = 0
[pid  3209] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3208] <... futex resumed>)        = 0
[pid  3205] <... futex resumed>)        = 1
[pid  3212] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3211] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3210] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3212] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3208] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3205] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3210] <... write resumed>)        = 2
[pid   314] <... restart_syscall resumed>) = 0
[pid  3212] <... futex resumed>)        = 1
[pid  3211] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3210] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3209] <... futex resumed>)        = 0
[pid  3208] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3212] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3211] <... futex resumed>)        = 0
[pid  3210] <... futex resumed>)        = 1
[pid  3209] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3208] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3205] <... futex resumed>)        = 0
[pid  3211] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3210] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3209] <... futex resumed>)        = 0
[pid  3205] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3212] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3211] <... openat resumed>)       = 3
[pid  3210] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3212] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3209] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3208] <... futex resumed>)        = 0
[pid  3205] <... futex resumed>)        = 0
[pid  3211] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3210] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3212] <... openat resumed>)       = 3
[pid  3211] <... futex resumed>)        = 0
[pid  3208] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3205] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3212] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3211] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3210] <... openat resumed>)       = 4
[pid  3208] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3212] <... futex resumed>)        = 1
[pid  3210] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3209] <... futex resumed>)        = 0
[pid  3212] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3209] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3208] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3205] <... futex resumed>)        = 0
[pid  3210] <... futex resumed>)        = 1
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3212] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3211] <... futex resumed>)        = 0
[pid  3209] <... futex resumed>)        = 0
[pid  3208] <... futex resumed>)        = 1
[pid  3212] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3211] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3209] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3212] <... write resumed>)        = 2
[pid  3211] <... write resumed>)        = 2
[pid  3210] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3208] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3205] exit_group(0 <unfinished ...>
[pid  3212] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3211] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3208] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3211] <... futex resumed>)        = 0
[pid  3211] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3212] <... futex resumed>)        = 1
[pid  3209] <... futex resumed>)        = 0
[pid  3209] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3209] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3205] <... exit_group resumed>)   = ?
ci2-android-6-12-rust/strace-static-x86_64: Process 3213 attached
[pid  3212] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3210] <... futex resumed>)        = ?
[pid  3208] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3212] <... openat resumed>)       = 4
[pid  3208] <... futex resumed>)        = 1
[pid  3211] <... futex resumed>)        = 0
[pid  3211] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY) = 4
[pid  3211] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3211] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3210] +++ exited with 0 +++
[pid  3212] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3208] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3205] +++ exited with 0 +++
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3213
[pid  3213] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3212] <... futex resumed>)        = 1
[pid  3209] <... futex resumed>)        = 0
[pid  3208] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3213] <... set_robust_list resumed>) = 0
[pid  3212] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3205, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3213] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3213] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3208] exit_group(0 <unfinished ...>
[pid  3213] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3211] <... futex resumed>)        = ?
[pid  3209] exit_group(0 <unfinished ...>
[pid  3208] <... exit_group resumed>)   = ?
[pid  3212] <... futex resumed>)        = ?
[pid  3211] +++ exited with 0 +++
[pid  3209] <... exit_group resumed>)   = ?
[pid  3212] +++ exited with 0 +++
[pid  3209] +++ exited with 0 +++
[pid  3208] +++ exited with 0 +++
[pid  3213] <... prctl resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3209, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3213] setpgid(0, 0 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3208, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3213] <... setpgid resumed>)      = 0
[pid  3213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3213] write(3, "1000", 4)         = 4
[pid  3213] close(3)                    = 0
[pid  3213] write(1, "executing program\n", 18) = 18
[pid  3213] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3213] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  3213] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  3213] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
executing program
[pid  3213] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3213] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  3213] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 3214 attached
 => {parent_tid=[3214]}, 88) = 3214
[pid  3214] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3213] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3214] <... set_robust_list resumed>) = 0
[pid  3214] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  3214] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3213] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  3213] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3214] <... futex resumed>)        = 0
[pid  3213] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3214] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3214] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3214] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3213] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3213] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3214] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3213] <... futex resumed>)        = 0
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3214] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3213] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 3215 attached
 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3215
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3215] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3215] <... set_robust_list resumed>) = 0
[pid  3214] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3213] <... futex resumed>)        = 0
[pid  3215] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  3215] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3213] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3214] <... futex resumed>)        = 1
[pid  3213] <... futex resumed>)        = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3213] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3215] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3215] <... prctl resumed>)        = 0
[pid  3214] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY) = 3
[pid  3214] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3213] <... futex resumed>)        = 0
[pid  3214] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3213] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 3216 attached
 <unfinished ...>
[pid  3215] setpgid(0, 0 <unfinished ...>
[pid  3214] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3214] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3215] <... setpgid resumed>)      = 0
[pid  3213] <... futex resumed>)        = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3216
[pid  3216] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3213] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3216] <... set_robust_list resumed>) = 0
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3216] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3214] <... write resumed>)        = 2
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3214] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3213] <... futex resumed>)        = 0
[pid  3214] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3213] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3214] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3213] <... futex resumed>)        = 0
[pid  3214] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3213] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3216] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3215] <... openat resumed>)       = 3
[pid  3214] <... openat resumed>)       = 4
[pid  3214] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3215] write(3, "1000", 4 <unfinished ...>
[pid  3213] <... futex resumed>)        = 0
[pid  3216] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3215] <... write resumed>)        = 4
[pid  3214] <... futex resumed>)        = 1
[pid  3213] exit_group(0 <unfinished ...>
[pid  3215] close(3 <unfinished ...>
[pid  3214] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3216] <... prctl resumed>)        = 0
[pid   313] <... restart_syscall resumed>) = 0
[pid  3216] setpgid(0, 0 <unfinished ...>
[pid  3215] <... close resumed>)        = 0
[pid  3214] <... futex resumed>)        = ?
[pid  3213] <... exit_group resumed>)   = ?
[pid  3216] <... setpgid resumed>)      = 0
[pid  3215] write(1, "executing program\n", 18 <unfinished ...>
[pid  3214] +++ exited with 0 +++
[pid  3213] +++ exited with 0 +++
[pid  3215] <... write resumed>)        = 18
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3213, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3215] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3215] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
executing program
[pid  3216] <... openat resumed>)       = 3
[pid  3215] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3216] write(3, "1000", 4 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3215] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3216] <... write resumed>)        = 4
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3216] close(3 <unfinished ...>
[pid  3215] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3216] <... close resumed>)        = 0
[pid  3215] <... mmap resumed>)         = 0x7fb4de009000
ci2-android-6-12-rust/strace-static-x86_64: Process 3217 attached
[pid  3216] write(1, "executing program\n", 18 <unfinished ...>
[pid  3215] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3216] <... write resumed>)        = 18
ci2-android-6-12-rust/strace-static-x86_64: Process 3218 attached
[pid  3216] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3215] <... mprotect resumed>)     = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3217
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3218
[pid  3218] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3216] <... futex resumed>)        = 0
executing program
[pid  3215] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3218] <... set_robust_list resumed>) = 0
[pid  3217] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3216] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3215] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3218] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3217] <... set_robust_list resumed>) = 0
[pid  3216] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3215] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3218] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3216] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3218] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3217] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3218] <... prctl resumed>)        = 0
[pid  3218] setpgid(0, 0)               = 0
[pid  3216] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3217] <... rt_sigprocmask resumed>, NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3219 attached
[pid  3218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3219] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3218] <... openat resumed>)       = 3
[pid  3217] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3215] <... clone3 resumed> => {parent_tid=[3219]}, 88) = 3219
[pid  3217] <... prctl resumed>)        = 0
[pid  3216] <... mmap resumed>)         = 0x7fb4de009000
[pid  3215] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3217] setpgid(0, 0 <unfinished ...>
[pid  3216] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3217] <... setpgid resumed>)      = 0
[pid  3215] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3219] <... set_robust_list resumed>) = 0
[pid  3218] write(3, "1000", 4 <unfinished ...>
[pid  3216] <... mprotect resumed>)     = 0
[pid  3219] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3218] <... write resumed>)        = 4
[pid  3217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3215] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3219] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3218] close(3 <unfinished ...>
[pid  3219] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3218] <... close resumed>)        = 0
[pid  3219] <... mkdirat resumed>)      = -1 EEXIST (File exists)
executing program
[pid  3218] write(1, "executing program\n", 18 <unfinished ...>
[pid  3219] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3218] <... write resumed>)        = 18
[pid  3219] <... futex resumed>)        = 0
[pid  3218] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3219] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3218] <... futex resumed>)        = 0
[pid  3218] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  3218] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  3218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  3218] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3218] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  3218] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 3220 attached
 <unfinished ...>
[pid  3216] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3220] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3219] <... futex resumed>)        = 0
[pid  3218] <... clone3 resumed> => {parent_tid=[3220]}, 88) = 3220
[pid  3215] <... futex resumed>)        = 1
[pid  3220] <... set_robust_list resumed>) = 0
[pid  3219] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3218] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3217] <... openat resumed>)       = 3
[pid  3216] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3220] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3218] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3217] write(3, "1000", 4 <unfinished ...>
[pid  3215] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3220] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3216] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3217] <... write resumed>)        = 4
[pid  3215] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3220] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3218] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 3221 attached
 <unfinished ...>
[pid  3220] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3218] <... futex resumed>)        = 0
[pid  3217] close(3 <unfinished ...>
[pid  3215] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3221] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3220] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3218] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3221] <... set_robust_list resumed>) = 0
[pid  3220] <... futex resumed>)        = 0
[pid  3219] <... futex resumed>)        = 0
[pid  3218] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3217] <... close resumed>)        = 0
[pid  3216] <... clone3 resumed> => {parent_tid=[3221]}, 88) = 3221
[pid  3215] <... futex resumed>)        = 1
[pid  3221] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3220] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3219] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3218] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3215] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3216] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3221] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3220] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3219] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3218] <... futex resumed>)        = 0
[pid  3217] write(1, "executing program\n", 18 <unfinished ...>
[pid  3216] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3221] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3218] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3217] <... write resumed>)        = 18
executing program
[pid  3216] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3221] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3220] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3219] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3217] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3216] <... futex resumed>)        = 0
[pid  3221] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3220] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3219] <... futex resumed>)        = 1
[pid  3221] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3220] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3219] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3217] <... futex resumed>)        = 0
[pid  3216] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3215] <... futex resumed>)        = 0
[pid  3221] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3220] <... futex resumed>)        = 1
[pid  3218] <... futex resumed>)        = 0
[pid  3221] <... futex resumed>)        = 0
[pid  3220] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3218] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3217] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3216] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3215] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3221] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3220] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3218] <... futex resumed>)        = 0
[pid  3217] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3219] <... futex resumed>)        = 0
[pid  3216] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3215] <... futex resumed>)        = 1
[pid  3221] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3220] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3219] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3218] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3217] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3216] <... futex resumed>)        = 0
[pid  3215] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3221] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3220] <... openat resumed>)       = 3
[pid  3219] <... openat resumed>)       = 3
[pid  3217] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3216] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3221] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3220] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3219] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3221] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3219] <... futex resumed>)        = 1
[pid  3218] <... futex resumed>)        = 0
[pid  3217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3215] <... futex resumed>)        = 0
[pid  3221] <... futex resumed>)        = 1
[pid  3220] <... futex resumed>)        = 1
[pid  3219] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3218] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3217] <... mmap resumed>)         = 0x7fb4de009000
[pid  3216] <... futex resumed>)        = 0
[pid  3215] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3221] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3220] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3219] <... write resumed>)        = 2
[pid  3218] <... futex resumed>)        = 0
[pid  3217] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3216] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3215] <... futex resumed>)        = 0
[pid  3221] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3220] <... write resumed>)        = 2
[pid  3219] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3218] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3216] <... futex resumed>)        = 0
[pid  3215] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3221] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3220] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3219] <... futex resumed>)        = 0
[pid  3218] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3217] <... mprotect resumed>)     = 0
[pid  3216] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3215] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3221] <... openat resumed>)       = 3
[pid  3220] <... futex resumed>)        = 0
[pid  3219] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3218] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3221] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3220] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3219] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3218] <... futex resumed>)        = 0
[pid  3217] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3215] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3221] <... futex resumed>)        = 1
[pid  3220] <... openat resumed>)       = 4
[pid  3219] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3218] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3217] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3216] <... futex resumed>)        = 0
[pid  3215] <... futex resumed>)        = 0
[pid  3221] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3217] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3216] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3215] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3221] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3220] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3219] <... openat resumed>)       = 4
[pid  3216] <... futex resumed>)        = 0
[pid  3221] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3220] <... futex resumed>)        = 1
[pid  3218] <... futex resumed>)        = 0
[pid  3216] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 3222 attached
 <unfinished ...>
[pid  3221] <... write resumed>)        = 2
[pid  3220] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3219] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3218] exit_group(0 <unfinished ...>
[pid  3217] <... clone3 resumed> => {parent_tid=[3222]}, 88) = 3222
[pid  3222] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3221] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3220] <... futex resumed>)        = ?
[pid  3219] <... futex resumed>)        = 1
[pid  3218] <... exit_group resumed>)   = ?
[pid  3215] <... futex resumed>)        = 0
[pid  3222] <... set_robust_list resumed>) = 0
[pid  3221] <... futex resumed>)        = 1
[pid  3220] +++ exited with 0 +++
[pid  3219] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3218] +++ exited with 0 +++
[pid  3217] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3216] <... futex resumed>)        = 0
[pid  3222] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3221] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3217] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3216] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3215] exit_group(0 <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3218, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3222] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3221] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3219] <... futex resumed>)        = ?
[pid  3217] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3216] <... futex resumed>)        = 0
[pid  3215] <... exit_group resumed>)   = ?
[pid  3222] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3221] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3219] +++ exited with 0 +++
[pid  3217] <... futex resumed>)        = 0
[pid  3216] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3222] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3221] <... openat resumed>)       = 4
[pid  3222] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3222] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3215] +++ exited with 0 +++
[pid  3217] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3221] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3217] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3221] <... futex resumed>)        = 1
[pid  3217] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3216] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3215, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3222] <... futex resumed>)        = 0
[pid  3221] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3217] <... futex resumed>)        = 1
[pid  3216] exit_group(0 <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 3223 attached
 <unfinished ...>
[pid  3222] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3221] <... futex resumed>)        = ?
[pid  3217] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3216] <... exit_group resumed>)   = ?
[pid  3221] +++ exited with 0 +++
[pid  3222] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3222] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3222] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3223
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  3216] +++ exited with 0 +++
[pid  3223] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3217] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3216, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3223] <... set_robust_list resumed>) = 0
[pid  3217] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3217] <... futex resumed>)        = 1
[pid  3222] <... futex resumed>)        = 0
[pid  3223] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3217] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3222] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3222] <... openat resumed>)       = 3
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3223] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3222] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3222] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3223] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3217] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3224 attached
[pid  3223] <... prctl resumed>)        = 0
[pid  3217] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3223] setpgid(0, 0 <unfinished ...>
[pid  3224] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3222] <... futex resumed>)        = 0
[pid  3223] <... setpgid resumed>)      = 0
[pid  3217] <... futex resumed>)        = 1
[pid  3222] write(3, "\x38\x00", 2 <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3224
[pid  3224] <... set_robust_list resumed>) = 0
[pid  3223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3222] <... write resumed>)        = 2
[pid  3217] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3224] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3222] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3217] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3223] <... openat resumed>)       = 3
[pid  3222] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3224] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3223] write(3, "1000", 4 <unfinished ...>
[pid  3222] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3217] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  3217] <... futex resumed>)        = 0
[pid  3217] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3224] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3223] <... write resumed>)        = 4
[pid  3222] <... openat resumed>)       = 4
[pid  3223] close(3)                    = 0
[pid  3224] <... prctl resumed>)        = 0
[pid  3223] write(1, "executing program\n", 18 <unfinished ...>
[pid  3222] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
executing program
[pid  3224] setpgid(0, 0 <unfinished ...>
[pid  3223] <... write resumed>)        = 18
[pid  3222] <... futex resumed>)        = 1
[pid  3217] <... futex resumed>)        = 0
[pid  3224] <... setpgid resumed>)      = 0
[pid  3223] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3223] <... futex resumed>)        = 0
[pid  3222] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3217] exit_group(0 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3217] <... exit_group resumed>)   = ?
[pid  3224] <... openat resumed>)       = 3
[pid  3223] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3222] <... futex resumed>)        = ?
[pid  3224] write(3, "1000", 4 <unfinished ...>
[pid  3223] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3222] +++ exited with 0 +++
[pid  3224] <... write resumed>)        = 4
[pid  3223] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1]ci2-android-6-12-rust/strace-static-x86_64: Process 3225 attached
 <unfinished ...>
[pid  3224] close(3 <unfinished ...>
[pid  3223] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3225] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3224] <... close resumed>)        = 0
[pid  3223] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3225] <... set_robust_list resumed>) = 0
[pid  3224] write(1, "executing program\n", 18 <unfinished ...>
[pid  3223] <... mmap resumed>)         = 0x7fb4de009000
[pid  3225] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3224] <... write resumed>)        = 18
[pid  3223] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3217] +++ exited with 0 +++
executing program
[pid  3225] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3224] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3223] <... mprotect resumed>)     = 0
[pid  3225] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3224] <... futex resumed>)        = 0
[pid  3225] <... prctl resumed>)        = 0
[pid  3224] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3223] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3225] setpgid(0, 0 <unfinished ...>
[pid  3224] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3225] <... setpgid resumed>)      = 0
[pid  3224] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3223] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3224] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3225] <... openat resumed>)       = 3
[pid  3224] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3223] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3225
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3217, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3224] <... mmap resumed>)         = 0x7fb4de009000
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-12-rust/strace-static-x86_64: Process 3226 attached
 <unfinished ...>
[pid  3225] write(3, "1000", 4 <unfinished ...>
[pid  3224] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3226] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3225] <... write resumed>)        = 4
[pid  3224] <... mprotect resumed>)     = 0
[pid  3223] <... clone3 resumed> => {parent_tid=[3226]}, 88) = 3226
[pid  3226] <... set_robust_list resumed>) = 0
[pid  3225] close(3 <unfinished ...>
[pid  3224] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3223] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3225] <... close resumed>)        = 0
[pid  3224] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3223] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3225] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  3224] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3223] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 3227 attached
 <unfinished ...>
[pid  3226] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3225] <... write resumed>)        = 18
[pid  3223] <... futex resumed>)        = 0
[pid  3226] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3225] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3224] <... clone3 resumed> => {parent_tid=[3227]}, 88) = 3227
[pid  3223] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3227] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3226] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3225] <... futex resumed>)        = 0
[pid  3224] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3225] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240}, NULL, 8) = 0
[pid  3224] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3225] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3224] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3225] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3224] <... futex resumed>)        = 0
[pid  3225] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  3224] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3225] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3225] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3227] <... set_robust_list resumed>) = 0
[pid  3226] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3225] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3226] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3225] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 3228 attached
 <unfinished ...>
[pid  3227] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3226] <... futex resumed>)        = 1
[pid  3223] <... futex resumed>)        = 0
[pid  3223] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3227] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3226] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3227] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3223] <... futex resumed>)        = 0
[pid  3225] <... clone3 resumed> => {parent_tid=[3228]}, 88) = 3228
[pid  3223] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3228] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3227] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3226] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3225] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3228] <... set_robust_list resumed>) = 0
[pid  3227] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3226] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3225] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3228] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3227] <... futex resumed>)        = 1
[pid  3226] <... futex resumed>)        = 1
[pid  3225] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3224] <... futex resumed>)        = 0
[pid  3223] <... futex resumed>)        = 0
[pid  3228] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3227] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3225] <... futex resumed>)        = 0
[pid  3224] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3223] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3227] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3226] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3225] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3224] <... futex resumed>)        = 0
[pid  3223] <... futex resumed>)        = 0
[pid  3227] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3226] <... openat resumed>)       = 3
[pid  3228] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3224] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3223] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3226] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3223] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3227] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3226] <... futex resumed>)        = 0
[pid  3223] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3228] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3227] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3226] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3223] <... futex resumed>)        = 0
[pid  3228] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3227] <... futex resumed>)        = 1
[pid  3226] <... write resumed>)        = 2
[pid  3224] <... futex resumed>)        = 0
[pid  3223] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3228] <... futex resumed>)        = 1
[pid  3227] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3226] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3225] <... futex resumed>)        = 0
[pid  3224] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3223] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3228] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3227] <... openat resumed>)       = 3
[pid  3226] <... futex resumed>)        = 0
[pid  3225] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3224] <... futex resumed>)        = 0
[pid  3223] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3228] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3227] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3226] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3225] <... futex resumed>)        = 0
[pid  3224] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3228] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3226] <... openat resumed>)       = 4
[pid  3225] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3224] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3223] <... futex resumed>)        = 0
[pid  3228] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3227] <... futex resumed>)        = 0
[pid  3226] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3224] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3223] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3228] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3227] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3226] <... futex resumed>)        = 0
[pid  3224] <... futex resumed>)        = 0
[pid  3223] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3228] <... futex resumed>)        = 1
[pid  3227] <... write resumed>)        = 2
[pid  3226] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3225] <... futex resumed>)        = 0
[pid  3224] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3223] exit_group(0 <unfinished ...>
[pid  3228] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3227] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3226] <... futex resumed>)        = ?
[pid  3225] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3224] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3223] <... exit_group resumed>)   = ?
[pid  3228] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3227] <... futex resumed>)        = 0
[pid  3226] +++ exited with 0 +++
[pid  3225] <... futex resumed>)        = 0
[pid  3224] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3223] +++ exited with 0 +++
[pid   314] <... restart_syscall resumed>) = 0
[pid  3228] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3227] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3225] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3224] <... futex resumed>)        = 0
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3223, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3224] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3227] <... openat resumed>)       = 4
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3227] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3228] <... openat resumed>)       = 3
[pid  3227] <... futex resumed>)        = 1
[pid  3224] <... futex resumed>)        = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3227] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3228] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3224] exit_group(0 <unfinished ...>
[pid  3228] <... futex resumed>)        = 1
[pid  3227] <... futex resumed>)        = ?
[pid  3225] <... futex resumed>)        = 0
[pid  3224] <... exit_group resumed>)   = ?
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 3229 attached
 <unfinished ...>
[pid  3228] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3227] +++ exited with 0 +++
[pid  3225] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3224] +++ exited with 0 +++
[pid  3225] <... futex resumed>)        = 0
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3224, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3225] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-12-rust/strace-static-x86_64: Process 3230 attached
 <unfinished ...>
[pid  3229] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3228] <... write resumed>)        = 2
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3229
[pid  3230] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3229] <... set_robust_list resumed>) = 0
[pid  3228] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3230] <... set_robust_list resumed>) = 0
[pid  3228] <... futex resumed>)        = 1
[pid  3225] <... futex resumed>)        = 0
[pid  3230] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3229] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3228] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3225] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3230
[pid  3230] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3229] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3228] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3225] <... futex resumed>)        = 0
[pid  3230] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3228] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3225] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3230] <... prctl resumed>)        = 0
[pid  3230] setpgid(0, 0)               = 0
[pid  3229] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3228] <... openat resumed>)       = 4
[pid  3230] <... openat resumed>)       = 3
[pid  3230] write(3, "1000", 4)         = 4
[pid  3230] close(3)                    = 0
[pid  3229] <... prctl resumed>)        = 0
[pid  3228] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3230] write(1, "executing program\n", 18 <unfinished ...>
[pid  3228] <... futex resumed>)        = 1
[pid  3225] <... futex resumed>)        = 0
executing program
[pid  3230] <... write resumed>)        = 18
[pid  3229] setpgid(0, 0 <unfinished ...>
[pid  3228] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3225] exit_group(0 <unfinished ...>
[pid  3230] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3229] <... setpgid resumed>)      = 0
[pid  3230] <... futex resumed>)        = 0
[pid  3225] <... exit_group resumed>)   = ?
[pid  3230] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3228] <... futex resumed>)        = ?
[pid  3229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3230] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3230] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  3230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb4de009000
[pid  3230] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3230] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  3228] +++ exited with 0 +++
[pid  3225] +++ exited with 0 +++
[pid  3230] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3229] <... openat resumed>)       = 3
[pid  3229] write(3, "1000", 4 <unfinished ...>
[pid   312] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3225, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 3231 attached
[pid  3230] <... clone3 resumed> => {parent_tid=[3231]}, 88) = 3231
[pid   312] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3231] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3230] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3229] <... write resumed>)        = 4
[pid  3231] <... set_robust_list resumed>) = 0
[pid  3230] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3231] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3230] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3231] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3230] <... futex resumed>)        = 0
[pid  3231] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3230] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3231] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3231] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  3231] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3230] <... futex resumed>)        = 0
[pid  3230] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3231] <... futex resumed>)        = 0
[pid  3230] <... futex resumed>)        = 1
[pid  3231] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3230] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3231] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3229] close(3 <unfinished ...>
[pid  3231] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3229] <... close resumed>)        = 0
executing program
[pid  3229] write(1, "executing program\n", 18 <unfinished ...>
[pid  3231] <... futex resumed>)        = 1
[pid  3230] <... futex resumed>)        = 0
[pid  3229] <... write resumed>)        = 18
[pid  3231] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3230] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3231] <... openat resumed>)       = 3
[pid  3230] <... futex resumed>)        = 0
[pid  3229] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3231] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3230] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3229] <... futex resumed>)        = 0
[pid  3231] <... futex resumed>)        = 0
[pid  3230] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3231] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3230] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3229] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3231] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3231] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3230] <... futex resumed>)        = 0
[pid  3229] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3231] <... write resumed>)        = 2
[pid  3230] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3231] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3230] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3229] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3231] <... futex resumed>)        = 0
[pid  3230] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3229] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3231] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3230] <... futex resumed>)        = 0
[pid  3229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3231] <... openat resumed>)       = 4
[pid  3230] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3229] <... mmap resumed>)         = 0x7fb4de009000
[pid  3231] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3229] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3231] <... futex resumed>)        = 1
[pid  3230] <... futex resumed>)        = 0
[pid  3231] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3230] exit_group(0 <unfinished ...>
[pid  3229] <... mprotect resumed>)     = 0
[pid  3231] <... futex resumed>)        = ?
[pid  3230] <... exit_group resumed>)   = ?
[pid  3231] +++ exited with 0 +++
[pid  3230] +++ exited with 0 +++
[pid  3229] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid   315] <... restart_syscall resumed>) = 0
[pid  3229] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3230, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
ci2-android-6-12-rust/strace-static-x86_64: Process 3232 attached
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3229] <... clone3 resumed> => {parent_tid=[3232]}, 88) = 3232
[pid   315] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3232] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3229] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3232] <... set_robust_list resumed>) = 0
[pid  3229] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3232] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   315] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3232] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3229] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3232] mkdirat(AT_FDCWD, "./tracefs_dir", 0777ci2-android-6-12-rust/strace-static-x86_64: Process 3233 attached
) = -1 EEXIST (File exists)
[pid  3229] <... futex resumed>)        = 0
[pid  3229] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] <... clone resumed>, child_tidptr=0x55557716c690) = 3233
[pid  3233] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3232] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3229] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3233] <... set_robust_list resumed>) = 0
[pid  3232] <... futex resumed>)        = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3229] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3232] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3233] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3229] <... futex resumed>)        = 0
[pid   315] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3233] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3232] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3229] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3232] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] <... restart_syscall resumed>) = 0
[pid  3233] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3232] <... futex resumed>)        = 1
[pid  3229] <... futex resumed>)        = 0
[pid  3233] <... prctl resumed>)        = 0
[pid  3229] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3233] setpgid(0, 0 <unfinished ...>
[pid  3232] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3229] <... futex resumed>)        = 0
[pid  3233] <... setpgid resumed>)      = 0
[pid  3229] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   313] <... restart_syscall resumed>) = 0
[pid   312] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3232] <... openat resumed>)       = 3
[pid   312] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3232] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   312] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3232] <... futex resumed>)        = 1
[pid  3232] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3233] <... openat resumed>)       = 3
ci2-android-6-12-rust/strace-static-x86_64: Process 3234 attached
[pid  3229] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3234] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3229] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... rt_sigprocmask resumed>, [], 8) = 0
[pid   312] <... clone resumed>, child_tidptr=0x55557716c690) = 3234
[pid  3234] <... set_robust_list resumed>) = 0
[pid  3229] <... futex resumed>)        = 1
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   312] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3234] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3229] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3234] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   312] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3233] write(3, "1000", 4 <unfinished ...>
[pid  3232] <... futex resumed>)        = 0
[pid  3233] <... write resumed>)        = 4
[pid  3232] write(3, "\x38\x00", 2ci2-android-6-12-rust/strace-static-x86_64: Process 3235 attached
 <unfinished ...>
[pid  3234] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3233] close(3 <unfinished ...>
[pid  3232] <... write resumed>)        = 2
[pid  3235] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3234] <... prctl resumed>)        = 0
[pid  3233] <... close resumed>)        = 0
[pid  3235] <... set_robust_list resumed>) = 0
[pid  3234] setpgid(0, 0 <unfinished ...>
executing program
[pid  3233] write(1, "executing program\n", 18 <unfinished ...>
[pid  3232] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   313] <... clone resumed>, child_tidptr=0x55557716c690) = 3235
[pid  3235] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3234] <... setpgid resumed>)      = 0
[pid  3233] <... write resumed>)        = 18
[pid  3235] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3233] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3232] <... futex resumed>)        = 1
[pid  3229] <... futex resumed>)        = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3235] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3233] <... futex resumed>)        = 0
[pid  3233] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3229] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3235] <... prctl resumed>)        = 0
[pid  3234] <... openat resumed>)       = 3
[pid  3233] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3232] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3229] <... futex resumed>)        = 0
[pid   313] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3235] setpgid(0, 0 <unfinished ...>
[pid  3234] write(3, "1000", 4 <unfinished ...>
[pid  3233] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3229] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3235] <... setpgid resumed>)      = 0
[pid  3234] <... write resumed>)        = 4
[pid  3233] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3232] <... openat resumed>)       = 4
[pid  3235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3234] close(3 <unfinished ...>
[pid  3233] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3232] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3234] <... close resumed>)        = 0
[pid  3235] <... openat resumed>)       = 3
[pid  3233] <... mmap resumed>)         = 0x7fb4de009000
[pid  3234] write(1, "executing program\n", 18 <unfinished ...>
[pid  3232] <... futex resumed>)        = 1
[pid  3229] <... futex resumed>)        = 0
executing program
[pid  3235] write(3, "1000", 4 <unfinished ...>
[pid  3233] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3232] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3234] <... write resumed>)        = 18
[pid  3229] exit_group(0 <unfinished ...>
[pid  3235] <... write resumed>)        = 4
[pid  3233] <... mprotect resumed>)     = 0
[pid  3234] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3229] <... exit_group resumed>)   = ?
[pid  3232] <... futex resumed>)        = ?
[pid  3235] close(3 <unfinished ...>
[pid  3233] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  3233] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0}ci2-android-6-12-rust/strace-static-x86_64: Process 3236 attached
 <unfinished ...>
[pid  3236] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3233] <... clone3 resumed> => {parent_tid=[3236]}, 88) = 3236
[pid  3232] +++ exited with 0 +++
[pid  3229] +++ exited with 0 +++
[pid  3235] <... close resumed>)        = 0
[pid  3236] <... set_robust_list resumed>) = 0
[pid  3234] <... futex resumed>)        = 0
[pid  3233] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3235] write(1, "executing program\n", 18 <unfinished ...>
[pid  3236] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3234] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3233] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3229, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid  3236] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3235] <... write resumed>)        = 18
[pid  3234] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3233] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3236] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3235] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3234] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3233] <... futex resumed>)        = 0
[pid  3236] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3235] <... futex resumed>)        = 0
[pid  3234] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3236] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3235] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3233] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3236] <... futex resumed>)        = 0
[pid  3235] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3233] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3234] <... mmap resumed>)         = 0x7fb4de009000
[pid  3236] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3235] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3234] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3233] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3236] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3235] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3233] <... futex resumed>)        = 0
[pid  3236] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3234] <... mprotect resumed>)     = 0
executing program
[pid  3233] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3235] <... mmap resumed>)         = 0x7fb4de009000
[pid  3235] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  3235] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  3235] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3236] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
ci2-android-6-12-rust/strace-static-x86_64: Process 3237 attached
[pid  3235] <... clone3 resumed> => {parent_tid=[3237]}, 88) = 3237
[pid  3234] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3236] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... restart_syscall resumed>) = 0
[pid  3237] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3235] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3234] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3233] <... futex resumed>)        = 0
[pid  3233] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  3233] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3236] <... futex resumed>)        = 1
[pid  3237] <... set_robust_list resumed>) = 0
[pid  3235] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3236] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3237] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3235] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3234] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3237] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3235] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3237] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3236] <... openat resumed>)       = 3
[pid  3235] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 3238 attached
 <unfinished ...>
[pid  3237] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3236] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3238] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3236] <... futex resumed>)        = 1
[pid  3233] <... futex resumed>)        = 0
[pid  3238] <... set_robust_list resumed>) = 0
[pid  3236] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3233] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3238] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3236] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3233] <... futex resumed>)        = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 3239 attached
[pid  3238] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3237] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3236] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3234] <... clone3 resumed> => {parent_tid=[3238]}, 88) = 3238
[pid  3233] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3239] set_robust_list(0x55557716c6a0, 24 <unfinished ...>
[pid  3238] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3237] <... futex resumed>)        = 1
[pid  3236] <... write resumed>)        = 2
[pid  3235] <... futex resumed>)        = 0
[pid  3234] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3239] <... set_robust_list resumed>) = 0
[pid  3237] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3236] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3235] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3234] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   314] <... clone resumed>, child_tidptr=0x55557716c690) = 3239
[pid  3239] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3236] <... futex resumed>)        = 1
[pid  3235] <... futex resumed>)        = 0
[pid  3233] <... futex resumed>)        = 0
[pid  3239] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3236] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3235] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3234] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3233] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3239] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3238] <... futex resumed>)        = 0
[pid  3237] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3236] <... openat resumed>)       = 4
[pid  3234] <... futex resumed>)        = 1
[pid  3233] <... futex resumed>)        = 0
[pid   314] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3239] <... prctl resumed>)        = 0
[pid  3238] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3237] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3236] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3234] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3233] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3239] setpgid(0, 0 <unfinished ...>
[pid  3238] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  3236] <... futex resumed>)        = 0
[pid  3233] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3239] <... setpgid resumed>)      = 0
[pid  3238] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3233] exit_group(0 <unfinished ...>
[pid  3239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3238] <... futex resumed>)        = 0
[pid  3237] <... futex resumed>)        = 1
[pid  3235] <... futex resumed>)        = 0
[pid  3234] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3233] <... exit_group resumed>)   = ?
[pid  3239] <... openat resumed>)       = 3
[pid  3238] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3237] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3236] +++ exited with 0 +++
[pid  3235] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3234] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3233] +++ exited with 0 +++
[pid  3237] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3235] <... futex resumed>)        = 0
[pid  3234] <... futex resumed>)        = 0
[pid  3237] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3235] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3234] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3233, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid  3237] <... openat resumed>)       = 3
[pid   315] restart_syscall(<... resuming interrupted rt_sigprocmask ...> <unfinished ...>
[pid  3239] write(3, "1000", 4 <unfinished ...>
[pid  3238] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3239] <... write resumed>)        = 4
[pid  3238] mount(NULL, "./tracefs_dir", "tracefs", 0, NULL <unfinished ...>
[pid  3239] close(3 <unfinished ...>
[pid  3238] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  3237] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3239] <... close resumed>)        = 0
[pid  3238] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3239] write(1, "executing program\n", 18 <unfinished ...>
[pid  3238] <... futex resumed>)        = 1
[pid  3235] <... futex resumed>)        = 0
[pid  3234] <... futex resumed>)        = 0
[pid  3237] <... futex resumed>)        = 1
[pid  3239] <... write resumed>)        = 18
executing program
[pid  3238] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3235] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3237] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3239] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3238] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3234] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3239] <... futex resumed>)        = 0
[pid  3238] openat(AT_FDCWD, "./tracefs_dir/buffer_subbuf_size_kb", O_WRONLY <unfinished ...>
[pid  3237] <... write resumed>)        = 2
[pid  3235] <... futex resumed>)        = 0
[pid  3234] <... futex resumed>)        = 0
[pid  3239] rt_sigaction(SIGRT_1, {sa_handler=0x7fb4de06ff50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb4de062240} <unfinished ...>
[pid  3238] <... openat resumed>)       = 3
[pid  3237] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3235] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3234] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3239] <... rt_sigaction resumed>, NULL, 8) = 0
[pid  3238] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3237] <... futex resumed>)        = 0
[pid  3235] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3234] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3239] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] <unfinished ...>
[pid  3238] <... futex resumed>)        = 0
[pid  3237] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3234] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3239] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3238] write(3, "\x38\x00", 2 <unfinished ...>
[pid  3235] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3239] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  3238] <... write resumed>)        = 2
[pid  3237] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3235] <... futex resumed>)        = 0
[pid  3234] <... futex resumed>)        = 0
[pid  3239] <... mmap resumed>)         = 0x7fb4de009000
[pid  3238] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3237] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3235] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3234] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3239] mprotect(0x7fb4de00a000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  3238] <... futex resumed>)        = 0
[pid  3234] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3239] <... mprotect resumed>)     = 0
[pid  3238] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3237] <... openat resumed>)       = 4
[pid  3234] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3238] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3234] <... futex resumed>)        = 0
[pid  3237] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3234] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3237] <... futex resumed>)        = 1
[pid  3235] <... futex resumed>)        = 0
[pid  3239] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  3238] openat(AT_FDCWD, "./tracefs_dir/trace", O_RDONLY <unfinished ...>
[pid  3239] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  3238] <... openat resumed>)       = 4
[pid  3237] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3235] exit_group(0 <unfinished ...>
[pid  3239] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb4de029990, parent_tid=0x7fb4de029990, exit_signal=0, stack=0x7fb4de009000, stack_size=0x20300, tls=0x7fb4de0296c0} <unfinished ...>
[pid  3238] futex(0x7fb4de10db4c, FUTEX_WAKE_PRIVATE, 1000000ci2-android-6-12-rust/strace-static-x86_64: Process 3240 attached
 <unfinished ...>
[pid  3237] <... futex resumed>)        = ?
[pid  3235] <... exit_group resumed>)   = ?
[pid  3240] set_robust_list(0x7fb4de0299a0, 24 <unfinished ...>
[pid  3238] <... futex resumed>)        = 1
[pid  3237] +++ exited with 0 +++
[pid  3240] <... set_robust_list resumed>) = 0
[pid  3239] <... clone3 resumed> => {parent_tid=[3240]}, 88) = 3240
[pid  3238] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3240] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3239] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  3240] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3239] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  3240] futex(0x7fb4de10db48, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  3239] futex(0x7fb4de10db48, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  3240] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  3239] <... futex resumed>)        = 0
[pid  3240] mkdirat(AT_FDCWD, "./tracefs_dir", 0777 <unfinished ...>
[pid  3239] futex(0x7fb4de10db4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  3235] +++ exited with 0 +++
[pid  3234] <... futex resumed>)        = 0
[pid   315] <... restart_syscall resumed>) = 0
[pid  3240] <... mkdirat resumed>)      = -1 EEXIST (File exists)